System and method for monitoring fracturing construction parameters

Abstract

The present application relates to the technical field of fracturing construction, and provides a system and method for monitoring fracturing construction parameters. The system comprises a sand removal unit, a liquid injection unit, a liquid mixing unit, a control unit, a monitoring unit, and a switching unit; the sand removal unit is separately connected to a sand mixing unit and the liquid mixing unit, and is configured to obtain a separated liquid and inject the separated liquid into the liquid mixing unit; the control unit is separately connected to the liquid injection unit and the liquid mixing unit, and is configured to control the liquid injection unit to inject a base fluid into the liquid mixing unit to obtain a mixed liquid; the monitoring unit is separately connected to the liquid mixing unit and the sand mixing unit, and is configured to monitor the mixed liquid to obtain a monitoring result and inject the mixed liquid into the sand mixing unit; and the switching unit is connected to the monitoring unit, and is configured to switch in real time a sensing device in the monitoring unit on the basis of the interval range of the monitoring result, so that the measurement range of the sensing device matches an actual parameter of the mixed liquid. The system for monitoring fracturing construction parameters can achieve accurate and real-time monitoring of fracturing construction parameters.

Description

A fracturing construction parameter monitoring system and method

[0001] Related applications

[0002] This application claims priority to Chinese Patent Application No. 202411570812.X, filed on November 5, 2024, and incorporates the entire contents of the aforementioned patent application as part of this application. Technical Field

[0003] This disclosure relates to the field of fracturing construction technology, and in particular to a fracturing construction parameter monitoring system and method. Background Technology

[0004] Hydraulic fracturing, a primary method for enhancing production in unconventional gas reservoirs, improves the formation's circulation environment by pumping fracturing fluid into the formation. The performance of the fracturing fluid directly affects factors such as fracture length, proppant uniformity, and reservoir damage, ultimately influencing gas recovery. To ensure optimal recovery after reservoir stimulation, fracturing fluid testing is essential to guarantee its quality.

[0005] Current standards for shale gas fracturing fluid testing require the testing of pH value, viscosity, surface tension, bacterial content, dissolution time, compatibility, drag reduction rate, CST ratio, breaker viscosity, breaker time, and residue content. For tight gas and other gas reservoirs, testing is required for pH value, apparent viscosity, cross-linking time, breaker performance, residue content, demulsification rate, drag reduction rate, and compatibility. Furthermore, parameters such as displacement and sand concentration during fracturing operations are also of great importance to the fracturing process.

[0006] Current fracturing operations typically use variable viscosity slickwater systems as fracturing fluids. These systems are ready to use immediately and their performance changes over time. Variable viscosity slickwater systems use water as a base fluid, and the viscosity is dynamically adjusted by adding viscosity-regulating chemicals, resulting in fracturing fluids with low friction and high fluidity. Therefore, relying on manual testing of fracturing fluid performance suffers from data lag and discontinuous monitoring; manual testing cannot meet the need for real-time and accurate monitoring. From the perspective of reducing labor intensity and risk: currently, testing institutions need to monitor the viscosity, density, and pH of the fracturing fluid every short intervals (e.g., 15 minutes), resulting in high labor intensity and large data errors; furthermore, the sampling locations are in high-pressure areas, posing significant safety hazards.

[0007] Therefore, there is an urgent need for a fracturing operation parameter monitoring system to achieve accurate and real-time monitoring of fracturing operation parameters in order to guide fracturing operations and improve fracturing operation results. Summary of the Invention

[0008] Given that current manual testing of fracturing fluid properties suffers from data lag and discontinuous monitoring, manual testing cannot meet the demand for real-time and accurate detection. Furthermore, from the perspective of reducing labor intensity and risks: current testing institutions need to monitor fracturing fluid viscosity, density, and pH every short intervals (e.g., 15 minutes), resulting in high labor intensity and significant data errors; simultaneously, sampling locations in high-pressure areas pose substantial safety hazards. Therefore, this solution is proposed to overcome these problems or at least partially resolve them.

[0009] On the one hand, the purpose of some embodiments of this disclosure is to provide a fracturing construction parameter monitoring system, the system including: a desanding unit, a fluid injection unit, a fluid mixing unit, a control unit, a monitoring unit, and a switching unit;

[0010] The sand removal unit is connected to the sand mixing unit and the liquid mixing unit respectively. It is used to separate the sand-carrying liquid output from the sand mixing unit to remove part of the sand in the sand-carrying liquid, obtain the separated liquid, and inject the separated liquid into the liquid mixing unit.

[0011] The control unit is connected to the injection unit and the mixing unit respectively. It is used to control the injection unit to inject the base fluid that meets the preset fracturing operation type and ratio requirements into the mixing unit, so that the separation fluid and the base fluid are mixed in the mixing unit according to the ratio requirements to obtain a mixture. The ratio requirements are determined according to the ratio between the base fluid and the sand-carrying fluid injected into the target well during fracturing operation.

[0012] The monitoring unit is connected to both the mixing unit and the sand mixing unit to monitor the mixture, obtain the monitoring results, and inject the mixture into the sand mixing unit.

[0013] The switching unit is connected to the monitoring unit and is used to switch the sensing devices in the monitoring unit in real time according to the range of the monitoring results, so that the measurement range of the sensing devices matches the actual parameters of the mixture.

[0014] Furthermore, in some embodiments, the method further includes:

[0015] The sand storage unit, connected to the sand removal unit, is used to store the sand body after the sand-carrying liquid has been separated from the sand.

[0016] Furthermore, in some embodiments, the control unit includes:

[0017] The first control pump is connected to both the injection unit and the mixing unit. It is used to control the injection unit to inject the base liquid that meets the preset fracturing construction type and proportion requirements into the mixing unit.

[0018] Furthermore, in some embodiments, the control unit further includes:

[0019] The second control pump is connected to both the sand mixing unit and the sand removal unit, and is used to control the flow rate of the sand-carrying liquid from the sand mixing unit to the sand removal unit.

[0020] Furthermore, in some embodiments, the control unit further includes:

[0021] A timer is used to track the time taken for the mixing unit to mix the base liquid and the separated liquid.

[0022] The third control pump is connected to the mixing unit, the monitoring unit, and the timer. When the timer reaches the preset duration, the third control pump is activated to ensure that the mixing degree of the mixture flowing to the monitoring unit meets the preset requirements.

[0023] Furthermore, in some embodiments, the control unit further includes:

[0024] The solenoid valve is connected to the monitoring unit, and it closes when the fluctuation of the monitoring result exceeds the preset fluctuation level, and opens when the monitoring result does not exceed the preset fluctuation level.

[0025] Furthermore, in some embodiments, the monitoring unit further includes:

[0026] The level gauge is used to monitor the real-time liquid level in the monitoring unit and send the real-time liquid level to the control unit so that the control unit shuts down the third control pump when the real-time liquid level reaches the preset level.

[0027] Furthermore, in some embodiments, the control unit further includes:

[0028] The fourth control pump is connected to both the monitoring unit and the sand mixing unit, and is used to provide power for the mixed liquid flowing out of the monitoring unit to be injected into the sand mixing unit.

[0029] Furthermore, in some embodiments, the monitoring unit includes:

[0030] Acid-base detector, used to monitor the acidity or alkalinity of a mixed solution;

[0031] A hydrometer is used to monitor the density of a mixture.

[0032] A viscometer is used to monitor the viscosity of a mixture.

[0033] Furthermore, in some embodiments, the mixing unit includes:

[0034] The liquid inlet has its input end connected to the sand removal unit and the liquid injection unit respectively, and its output end connected to the mixing container.

[0035] A mixing container used to hold a mixture;

[0036] An impeller, connected to and located inside a mixing container, is used to stir the mixture.

[0037] The stirring controller, connected to the impeller, is used to control the rotational speed of the impeller;

[0038] An exhaust valve connects the inside of the mixing container to the external environment;

[0039] The liquid outlet is connected to the monitoring unit.

[0040] On the other hand, some embodiments of this disclosure also provide a method for monitoring fracturing construction parameters, the method including:

[0041] Request monitoring of fracturing operation parameters;

[0042] Based on the fracturing operation parameter monitoring request, the sand-carrying fluid is obtained from the sand-mixing unit;

[0043] The sand-carrying liquid is separated by a sand removal unit to obtain a separated liquid, which is then injected into a mixing unit.

[0044] Based on the preset fracturing construction requirements, determine the base fluid that meets the preset fracturing construction type and proportion requirements;

[0045] Using the control unit, the base fluid that meets the preset fracturing operation type and ratio requirements is injected into the mixing unit so that the separation fluid and the base fluid are mixed in the mixing unit according to the ratio requirements to obtain a mixture; the ratio requirements are determined according to the ratio between the base fluid and the sand-carrying fluid injected into the target well during fracturing operation.

[0046] The mixture is monitored using a monitoring unit to obtain the monitoring results, and then the mixture is injected into the sand mixing unit.

[0047] When the monitoring unit monitors the mixture, the switching unit is used to switch the sensing devices in the monitoring unit in real time according to the range of the monitoring results, so that the measurement range of the sensing devices matches the actual parameters of the mixture.

[0048] On the other hand, some embodiments of this disclosure also provide a computer device, including a memory, a processor, and a computer program stored in the memory, wherein the computer program, when run by the processor, executes the instructions of the above-described method.

[0049] On the other hand, some embodiments of this disclosure also provide a computer storage medium on which a computer program is stored, the computer program being executed by the processor of a computer device to perform instructions for the above-described method.

[0050] On the other hand, some embodiments of this disclosure also provide a computer program product, which includes a computer program that, when run by the processor of a computer device, executes instructions for the methods described above.

[0051] The embodiments of this disclosure provide one or more technical solutions that have at least the following technical effects:

[0052] The embodiments of this disclosure automatically obtain sand-carrying fluid from the sand-mixing unit and use a sand-removal unit to separate the sand-carrying fluid from the sand-carrying fluid to remove some of the sand, obtaining a separated liquid. The separated liquid is then injected into the mixing unit to avoid the sand from blocking or interfering with the entire fracturing operation parameter monitoring system. At the same time, to ensure the accuracy of viscous fluid monitoring, under the control of the control unit, a base fluid that meets the preset fracturing operation type and ratio requirements is injected into the mixing unit using an injection unit. This ensures that the mixed liquid obtained by mixing the separated liquid and the base fluid in the mixing unit closely approximates the relevant parameters of the fracturing fluid used in actual operation. A monitoring unit connected to the mixing unit obtains the mixed liquid and monitors the monitoring results of the mixed liquid in real time and accurately. A switching unit connected to the monitoring unit can switch the sensing devices in the monitoring unit in real time according to the range of the monitoring results, so that the measurement range of the sensing devices matches the actual parameters of the mixed liquid, thereby further ensuring the monitoring accuracy of fracturing operation parameters.

[0053] The above description is merely an overview of some embodiments of the present disclosure. In order to better understand the technical means of some embodiments of the present disclosure and to implement them in accordance with the contents of the specification, and to make the above and other objects, features and advantages of some embodiments of the present disclosure more apparent and understandable, specific implementation methods of some embodiments of the present disclosure are given below. Attached Figure Description

[0054] To more clearly illustrate some embodiments of this disclosure or technical solutions in the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this disclosure. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. In the drawings:

[0055] Figure 1 shows a schematic diagram of the connection structure of a fracturing construction parameter monitoring system according to some embodiments of the present disclosure;

[0056] Figure 2 shows a schematic diagram of a fracturing construction system according to some embodiments of the present disclosure;

[0057] Figure 3 is a detailed connection structure diagram of a fracturing construction parameter monitoring system in some embodiments of this disclosure;

[0058] Figure 4 is a schematic diagram of the structure of the mixing unit in some embodiments of this disclosure;

[0059] Figure 5 is a schematic diagram of the steps of the fracturing construction parameter monitoring method in some embodiments of this disclosure;

[0060] Figure 6 is a schematic diagram of the computer device structure provided in some embodiments of this disclosure.

[0061] [Explanation of Figure Labels] 101. Desanding Unit; 102. Fluid Injection Unit; 103. Fluid Mixing Unit; 104. Control Unit; 105. Monitoring Unit; 106. Switching Unit; 107. Sand Mixing Unit; 108. Sand Storage Unit; 1. Wellbore; 2. Base Fluid Tank; 3. Wellhead Flow Meter; 4. Wellhead; 5. Fracturing Base Fluid Pump Truck Set; 6. Fracturing Fluid Pump Truck Set; 7. Sand Mixing Truck; 8. Solid Mass Flow Meter; 9. Sand Tank; 10. Sand Transfer Device; 11. Fracturing Construction Parameter Monitoring System; 301. First Control Pump; 302. Second Control Pump; 303. Third Control Pump; 304. Fourth Control Pump; 305. Sand Mixing Tank; 306. Cyclone Desander; 307. Timer; 308. Solenoid Valve; 309. Base Fluid Tank; 310. Level gauge; 311. Acid-base detector; 312. Density meter; 313. Viscometer; 401. Liquid inlet; 402. Stirring control device; 403. Exhaust valve; 404. Liquid outlet; 405. Mixing container; 602. Computer equipment; 604. Processor; 606. Memory; 608. Drive mechanism; 610. Input / output interface; 612. Input device; 614. Output device; 616. Presentation device; 618. Graphical user interface; 620. Network interface; 622. Communication link; 624. Communication bus. Detailed Implementation

[0062] To enable those skilled in the art to better understand the technical solutions in this disclosure, the technical solutions in some embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this disclosure, and not all embodiments. Based on some embodiments of this disclosure, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of this disclosure.

[0063] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings herein are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, apparatus, product, or device that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or devices.

[0064] It should be noted that the acquisition, storage, use, and processing of data in the technical solution of this application all comply with the relevant provisions of relevant laws and regulations.

[0065] It should be noted that in the embodiments disclosed herein, certain software, components, models, and other existing solutions in the industry may be mentioned. These should be considered as exemplary and are intended only to illustrate the feasibility of implementing the technical solution of this application. However, they do not mean that the applicant has used or necessarily used such solutions.

[0066] Figure 1 shows a schematic diagram of the connection structure of a fracturing construction parameter monitoring system provided in an embodiment of this application. The figure includes: a desanding unit 101, a fluid injection unit 102, a fluid mixing unit 103, a control unit 104, a monitoring unit 105, a switching unit 106, and a sand mixing unit 107. The desanding unit 101 is connected to both the sand mixing unit 107 and the fluid mixing unit 103, and is used to separate the sand-carrying fluid output from the sand mixing unit 107 to remove some sand from the fluid, obtaining a separated liquid, which is then injected into the fluid mixing unit 103. The control unit 104 is connected to both the fluid injection unit 102 and the fluid mixing unit 103, and is used to control the fluid injection unit 102 to inject fluids that meet preset parameters. The base fluid, which meets the requirements for fracturing operation type and proportion, is injected into the mixing unit 103 to mix the separation fluid and base fluid in the mixing unit 103 according to the required proportions to obtain a mixed fluid. The required proportions are determined based on the ratio between the base fluid and the sand-carrying fluid injected into the target well during fracturing operation. The monitoring unit 105 is connected to both the mixing unit 103 and the sand-mixing unit 107 to monitor the mixed fluid, obtain the monitoring results, and inject the mixed fluid into the sand-mixing unit 107. The switching unit 106 is connected to the monitoring unit 105 to switch the sensing devices in the monitoring unit 105 in real time according to the range of the monitoring results, so that the measurement range of the sensing devices matches the actual parameters of the mixed fluid.

[0067] The embodiments of this disclosure automatically obtain sand-carrying fluid from the sand-mixing unit 107 and use the sand-removal unit 101 to separate the sand-carrying fluid to remove some of the sand, obtaining a separated liquid. The separated liquid is then injected into the mixing unit 103 to avoid the sand from blocking or interfering with the entire fracturing construction parameter monitoring system. Simultaneously, to ensure the accuracy of viscous fluid monitoring, under the control of the control unit 104, the injection unit 102 injects a base liquid that meets the preset fracturing construction type and proportion requirements into the mixing unit 103. This ensures that the mixture obtained by mixing the separated liquid and the base liquid in the mixing unit 103 closely approximates the relevant parameters of the fracturing fluid used in actual construction. The monitoring unit 105 connected to the mixing unit 103 obtains the mixture and monitors the monitoring results of the mixture in real time and accurately. The switching unit 106 connected to the monitoring unit 105 can switch the sensing devices in the monitoring unit 105 in real time according to the range of the monitoring results, so that the measurement range of the sensing devices matches the actual parameters of the mixture, thereby further ensuring the monitoring accuracy of the fracturing construction parameters.

[0068] Furthermore, in some embodiments, referring to the structural schematic diagram of a fracturing construction system shown in FIG2, the figure may include a wellbore 1, a base fluid tank 2, a wellhead flow meter 3, a wellhead 4, a fracturing base fluid pump truck 5, a fracturing fluid pump truck 6, a sand mixing truck 7, a solid mass flow meter 8, a sand tank 9, a sand transfer device 10, and a fracturing construction parameter monitoring system 11.

[0069] Specifically, in some embodiments, the target well includes at least a wellhead 4 and a wellbore 1 connected to each other. A wellhead flow meter 3 is installed at the wellhead 4 to measure the flow rate at the wellhead 4. The wellhead 4 is connected to a fracturing base fluid pump truck 5 and a sand mixing truck 7. The fracturing base fluid pump truck 5 is used to inject base fluid into the wellhead 4. The sand mixing unit 107 can be represented as a sand mixing truck 107. The sand mixing truck 7 is used to inject fracturing sand into the wellhead 4. The fracturing base fluid pump truck 5 is also connected to a base fluid pool 2. The sand mixing truck 7 is also connected to a fracturing fluid pump truck 6. The base fluid pool 2 is a water source. The fracturing fluid pump truck 6 is used to provide sand-carrying fluid to the sand mixing truck 7. The sand tank 9 is connected to a sand transfer device 10. A solid mass flow meter 8 is used to monitor the weight of the sand entering the sand mixing truck in real time.

[0070] In some embodiments, during fracturing operations, sand flows from sand tank 9 into sand transfer device 10. Sand transfer device 10 sequentially transfers sand to solid mass flow meter 8 and fracturing fluid pump truck group 6. Afterwards, fracturing operation parameter monitoring system 11 extracts fracturing fluid from sand mixing truck 7 for monitoring and then reinjects it into sand mixing truck 7. The fracturing fluid (sand-carrying fluid) after sand addition enters wellhead 4 through fracturing fluid pump truck group 6. At the same time, the base fluid is usually clear water, which is injected into wellhead 4 after being pressurized from base fluid pool 2 through fracturing base fluid pump truck group 5. Wellhead flow meter 3 above wellhead 4 monitors the flow rate of the liquid entering the wellhead.

[0071] Furthermore, in some embodiments, as shown in FIG3, a detailed connection structure diagram of a fracturing construction parameter monitoring system in an embodiment of the present disclosure may include: a first control pump 301, a second control pump 302, a third control pump 303, a fourth control pump 304, a sand mixing tank 305, a cyclone desander 306, a timer 307, a solenoid valve 308, a base liquid tank 309, a level gauge 310, an acid-base detector 311, a density meter 312, a viscometer 313, a mixing unit 103, a monitoring unit 105, and a sand storage unit 108.

[0072] Specifically, the fracturing operation parameter monitoring system 11 draws fracturing fluid from the mixing tank 305 of the mixing truck 7 for monitoring, and then reinjects the fracturing fluid back into the mixing tank 305 of the mixing truck. In some embodiments, the control pump is also called a diaphragm pump, used to provide the power for pumping the fluid. The diaphragm pump uses a diaphragm to separate the pumped fluid from the piston and pump cylinder, thereby protecting the piston and pump cylinder. The left side of the diaphragm in contact with the fluid is made of corrosion-resistant material or coated with a corrosion-resistant substance, while the right side of the diaphragm is filled with water or oil.

[0073] It should be noted that the cyclone separator 306 can be understood as a specific implementation structure of the sand removal unit 101. In actual construction scenarios, the sand content of the separation liquid is greatly reduced compared to the sand-carrying liquid. However, the sand removal unit 101 is difficult to remove all the sand in the sand-carrying liquid, and there is always sand residue in the separation liquid. However, since the content of this residue is small, it does not affect the monitoring of the subsequent monitoring unit 105.

[0074] Furthermore, in some embodiments, as shown in Figure 3, the sand storage unit 108 is connected to the cyclone separator 306 to store the sand body after the sand-carrying liquid has been separated, so as to avoid waste of resources. If there are other needs in the future, the sand stored by the sand storage unit 108 can be reused.

[0075] Further, in some embodiments, continuing as shown in Figure 3, the first control pump 301 belongs to the control unit 104, and is connected to the base fluid tank 309 and the sand mixing tank 305 respectively. It is used to control the injection unit 102 to inject the base fluid that meets the preset fracturing construction type and proportion requirements into the mixing unit 103. The base fluid tank 309 is a specific embodiment corresponding to the injection unit 102. The second control pump 302 belongs to the control unit 104, and provides power to draw the sand-carrying fluid from the sand mixing tank 305 (i.e., from the sand mixing unit 107) and inject it into the cyclone desander 306 so that the cyclone desander 306 can perform centrifugal desandering to obtain the separated liquid.

[0076] Specifically, the ratio requirement is determined based on the ratio between the base fluid and the sand-carrying fluid injected into the target well during fracturing operations. The ratio between the base fluid and the sand-carrying fluid injected into the target well is the fluid supply ratio corresponding to the fracturing base fluid pump truck group 5 and the sand-mixing truck 7. In actual production, the base fluid is often clean water.

[0077] Further, in some embodiments, as shown in Figure 4, a schematic diagram of the mixing unit in this embodiment of the present disclosure may include: an inlet 401, a stirring control device 402, an exhaust valve 403, an outlet 404, and a mixing container 405. The inlet 401 is connected to both the sand removal unit 101 and the injection unit 102, and its output is connected to the mixing container 405, which contains the mixture. An impeller is connected to and located inside the mixing container 405 for stirring the mixture. A stirring controller is connected to the impeller (located inside the mixing container 405, not shown in Figure 4) for controlling its rotation speed. The exhaust valve 403 connects the inside of the mixing container 405 to the external environment, and the outlet 404 is connected to the monitoring unit 105.

[0078] Furthermore, in some embodiments, continuing as shown in Figure 3, the control unit 104 further includes a timer 307 and a third control pump 303. The timer 307 is used to track the time taken for the mixing unit 103 to mix the base liquid and the separated liquid. The third control pump 303 is connected to the mixing unit 103, the monitoring unit 105, and the timer 307. When the timer 307 tracks a preset time, the third control pump 303 is activated to ensure that the mixing degree of the liquid flowing to the monitoring unit 105 meets a preset requirement.

[0079] It can be understood that, in some embodiments, when the duration counted by the timer 307 exceeds a preset threshold, it can ensure that the mixing unit 103 fully mixes the separated liquid and the base liquid to obtain a fully mixed liquid that meets the actual construction requirements. In some embodiments, the rotation speed of the impeller can also be controlled to ensure that the rotation speed exceeds a specified speed, thereby further ensuring that the mixing unit 103 fully mixes the separated liquid and the base liquid. After obtaining the mixed liquid, the third control pump 303 can provide the power to inject the mixed liquid into the monitoring unit 105.

[0080] Further, in some embodiments, continuing as shown in Figure 3, the monitoring unit 105 includes a level gauge 310, an acid-base detector 311, a density meter 312, and a viscometer 313. The level gauge 310 monitors the real-time liquid level in the monitoring unit 105 and sends the real-time liquid level to the control unit 104, so that when the real-time liquid level reaches a preset height, the control unit 104 shuts down the third control pump 303. The acid-base detector 311 monitors the acidity or alkalinity of the mixture, the density meter 312 monitors the density of the mixture, and the viscometer 313 monitors the viscosity of the mixture.

[0081] It can be understood that in some embodiments, the measurement accuracy of the acid-base detector 311311, density meter 312312, and viscometer 313313 can only be guaranteed when the real-time liquid level in the monitoring unit 105 reaches a preset height. Furthermore, since the viscosity of the mixture varies greatly, the measurement range of a single viscometer 313 is insufficient to meet the actual parameter measurement requirements of the mixture. Therefore, in some embodiments, the viscometer 313313 is detachably connected to the monitoring unit 105. That is, the switching unit 106 can remove the viscometer 313 that does not meet the actual parameter measurement requirements of the mixture from the monitoring unit 105 and connect the viscometer 313 that meets the actual parameter measurement requirements of the mixture to the monitoring unit 105. This allows for accurate measurement of the viscosity values ​​of the mixture in different ranges and avoids the problem of the viscometer 313 being constantly immersed in the mixture, which could damage the viscometer 313.

[0082] Furthermore, in some embodiments, continuing as shown in Figure 3, the control unit 104 further includes a solenoid valve 308 and a fourth control pump 304. The solenoid valve 308 is connected to the monitoring unit 105, and it closes when the fluctuation of the monitoring result exceeds a preset fluctuation level and opens when the monitoring result does not exceed the preset fluctuation level. The fourth control pump 304 is connected to both the monitoring unit 105 and the sand mixing unit 107, providing power to inject the mixture flowing from the monitoring unit 105 into the sand mixing unit 107.

[0083] In some embodiments, when the real-time liquid level in the monitoring unit 105 reaches a preset level, the third control pump 303 can be shut down to stop the input of the mixture into the monitoring unit 105. The monitoring unit 105 then begins to measure the mixture. However, if the monitoring results obtained by the monitoring unit 105 are unstable and the fluctuation of the monitoring results exceeds the preset fluctuation level, it indicates that the monitoring results are inaccurate. In this case, the solenoid valve 308 needs to be closed to prevent the monitoring unit 105 from outputting the mixture. This ensures that the real-time liquid level in the monitoring unit 105 always reaches the preset level and provides a stable monitoring environment until a stable monitoring result with a fluctuation level not exceeding the preset fluctuation level is obtained, so as to accurately measure the fracturing operation parameters.

[0084] For ease of description, the above apparatus is described by dividing it into various functional units. Of course, in implementing this disclosure, the functions of each unit can be implemented in one or more software and / or hardware.

[0085] Corresponding to the aforementioned fracturing construction parameter monitoring system, some embodiments of this disclosure also provide a fracturing construction parameter monitoring method. Referring to Figure 5, this disclosure provides method operation steps as shown in the embodiments or flowcharts, but based on conventional or non-inventive labor, more or fewer operation steps may be included. The order of steps listed in the embodiments is merely one of many possible execution orders and does not represent the only execution order. In actual system or device product execution, the method can be executed in the order shown in the embodiments or figures or in parallel. Specifically, as shown in Figure 5, in some embodiments, the method may include:

[0086] S501: Request to obtain monitoring parameters for fracturing operations;

[0087] S502: Obtain the sand-carrying fluid from the sand-mixing unit according to the fracturing construction parameter monitoring request;

[0088] S503: The sand-carrying liquid is separated by the sand removal unit to obtain the separated liquid, and the separated liquid is injected into the mixing unit;

[0089] S504: Determine the base fluid that meets the preset fracturing construction requirements and proportion requirements;

[0090] S505: Using the control unit, the base fluid that meets the preset fracturing operation type and ratio requirements is injected into the mixing unit so that the separation fluid and the base fluid are mixed in the mixing unit according to the ratio requirements to obtain a mixture; the ratio requirements are determined according to the ratio between the base fluid and the sand-carrying fluid injected into the target well during fracturing operation.

[0091] S506: The mixture is monitored using a monitoring unit to obtain the monitoring results, and the mixture is then injected into the sand mixing unit;

[0092] S507: When the monitoring unit monitors the mixture, the switching unit is used to switch the sensing device in the monitoring unit in real time according to the range of the monitoring results, so that the measurement range of the sensing device matches the actual parameters of the mixture.

[0093] Specifically, in some embodiments, each step of the above method is implemented based on the fracturing construction parameter monitoring system described above, thereby achieving accurate and real-time monitoring of fracturing construction parameters to guide fracturing construction and improve fracturing construction results.

[0094] It should be noted that although the operation of the method of this disclosure has been described in a specific order in the above embodiments and figures, this does not require or imply that the operations must be performed in that specific order, or that all the operations shown must be performed to achieve the desired result. Additionally or alternatively, certain steps may be omitted, multiple steps may be combined into one step, and / or one step may be broken down into multiple steps.

[0095] It should be noted that the construction information and data involved in the embodiments of this disclosure (including but not limited to data used for analysis, stored data, and displayed data) are all information and data that have been fully authorized by all parties.

[0096] It should be noted that the computer program product disclosed herein is a software product that primarily implements the method disclosed herein through a computer program.

[0097] Embodiments of this disclosure also provide a computer device. As shown in FIG6, in some embodiments of this disclosure, the computer device 602 may include one or more processors 604, such as one or more central processing units (CPUs) or graphics processing units (GPUs), each processing unit implementing one or more hardware threads. The computer device 602 may also include any memory 606 for storing information of any kind, such as code, settings, data, etc. In one specific embodiment, a computer program is stored on the memory 606 and can run on the processor 604. When the computer program is run by the processor 604, it can execute instructions of the methods of any of the above embodiments. Without limitation, for example, the memory 606 may include any type of RAM, any type of ROM, flash memory device, hard disk, optical disk, etc. More generally, any memory can use any technology to store information. Further, any memory can provide volatile or non-volatile retention of information. Further, any memory can represent a fixed or removable component of the computer device 602. In one case, when the processor 604 executes associated instructions stored in any memory or combination of memories, the computer device 602 can perform any operation of the associated instructions. The computer device 602 also includes one or more drive mechanisms 608 for interacting with any memory, such as a hard disk drive mechanism, an optical disk drive mechanism, etc.

[0098] Computer device 602 may also include an input / output interface 610 (I / O) for receiving various inputs (via input device 612) and providing various outputs (via output device 614). A specific output mechanism may include a presentation device 616 and an associated graphical user interface 618 (GUI). In other embodiments, the input / output interface 610 (I / O), input device 612, and output device 614 may be omitted, and the device may function solely as a computer device within a network. Computer device 602 may also include one or more network interfaces 620 for exchanging data with other devices via one or more communication links 622. One or more communication buses 624 couple the components described above together.

[0099] Communication link 622 can be implemented in any way, such as via a local area network, a wide area network (e.g., the Internet), a point-to-point connection, or any combination thereof. Communication link 622 may include any combination of hardwired links, wireless links, routers, gateway functions, name servers, etc., governed by any protocol or combination of protocols.

[0100] This application is described with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), computer-readable storage media, and computer program products according to some embodiments of this disclosure. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processor to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processor, create means for implementing the functions specified in one or more flowchart illustrations and / or one or more block diagrams.

[0101] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processor to function in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means that implement the functions specified in one or more flowcharts and / or one or more block diagrams.

[0102] These computer program instructions may also be loaded onto a computer or other programmable data processor to cause a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process, such that the instructions, which execute on the computer or other programmable device, provide steps for implementing the functions specified in one or more flowcharts and / or one or more block diagrams.

[0103] In a typical configuration, a computer device includes one or more processors (CPU), input / output interfaces, network interfaces, and memory.

[0104] Memory may include non-persistent storage in computer-readable media, such as random access memory (RAM) and / or non-volatile memory, such as read-only memory (ROM) or flash RAM. Memory is an example of computer-readable media.

[0105] Computer-readable media, including both permanent and non-permanent, removable and non-removable media, can store information using any method or technology. Information can be computer-readable instructions, data structures, program modules, or other data. Examples of computer storage media include, but are not limited to, phase-change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technologies, CD-ROM, digital versatile optical disc (DVD) or other optical storage, magnetic tape, disk storage or other magnetic storage devices, or any other non-transferable medium that can be used to store information accessible by computer equipment. As defined in this disclosure, computer-readable media does not include transient media, such as modulated data signals and carrier waves.

[0106] Those skilled in the art will understand that embodiments of this disclosure can be provided as methods, systems, or computer program products. Therefore, embodiments of this disclosure can take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, embodiments of this disclosure can take the form of a computer program product implemented on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0107] Embodiments of this disclosure can be described in the general context of computer-executable instructions, such as program modules, that are executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, etc., that perform a specific task or implement a specific abstract data type. Embodiments of this disclosure can also be practiced in distributed computing environments where tasks are performed by remote processors connected via a communication network. In distributed computing environments, program modules can reside in local and remote computer storage media, including storage devices.

[0108] It should also be understood that, in the embodiments of this disclosure, the term "and / or" is merely a description of the relationship between associated objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following associated objects have an "or" relationship.

[0109] The various embodiments in this disclosure are described in a progressive manner. Similar or identical parts between embodiments can be referred to mutually. Each embodiment focuses on describing the differences from other embodiments. In particular, the system embodiments are basically similar to the method embodiments, so the description is relatively simple; relevant parts can be referred to the descriptions of the method embodiments.

[0110] In the description of this disclosure, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the embodiments of this disclosure. In this disclosure, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this disclosure, as well as the features of different embodiments or examples.

[0111] The above description is merely an embodiment of this application and is not intended to limit the scope of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of the claims of this application.

Claims

1. A fracturing construction parameter monitoring system, characterized in that, The system includes a sand removal unit, a liquid injection unit, a liquid mixing unit, a control unit, a monitoring unit, and a switching unit; The sand removal unit is connected to the sand mixing unit and the liquid mixing unit respectively. It is used to separate the sand-carrying liquid output by the sand mixing unit to remove part of the sand in the sand-carrying liquid, obtain the separated liquid, and inject the separated liquid into the liquid mixing unit. The control unit is connected to the injection unit and the mixing unit respectively, and is used to control the injection unit to inject the base fluid that meets the preset fracturing operation type and ratio requirements into the mixing unit, so that the separation fluid and the base fluid are mixed in the mixing unit according to the ratio requirements to obtain a mixture; wherein, the ratio requirements are determined according to the ratio between the base fluid and the sand-carrying fluid injected into the target well during fracturing operation; The monitoring unit is connected to the mixing unit and the sand mixing unit respectively, and is used to monitor the mixture, obtain the monitoring results, and inject the mixture into the sand mixing unit; The switching unit is connected to the monitoring unit and is used to switch the sensing device in the monitoring unit in real time according to the range of the monitoring results, so that the measurement range of the sensing device matches the actual parameters of the mixture.

2. The system according to claim 1, characterized in that, Further includes: A sand storage unit, connected to the sand removal unit, is used to store the sand body after the sand-carrying liquid has been separated from the sand.

3. The system according to claim 1, characterized in that, The control unit includes: The first control pump is connected to the injection unit and the mixing unit respectively, and is used to control the injection unit to inject the base liquid that meets the preset fracturing construction type and proportion requirements into the mixing unit.

4. The system according to claim 3, characterized in that, The control unit further includes: The second control pump is connected to both the sand mixing unit and the sand removal unit, and is used to control the flow rate of the sand-carrying liquid from the sand mixing unit to the sand removal unit.

5. The system according to claim 3, characterized in that, The control unit further includes: A timer is used to count the time taken by the mixing unit to mix the base liquid and the separation liquid; The third control pump is connected to the mixing unit, the monitoring unit, and the timer. When the timer reaches the preset duration, the third control pump is activated to ensure that the mixing degree of the mixture flowing to the monitoring unit meets the preset requirements.

6. The system according to claim 5, characterized in that, The control unit further includes: A solenoid valve is connected to the monitoring unit, and the solenoid valve closes when the fluctuation of the monitoring result exceeds a preset fluctuation level, and opens when the monitoring result does not exceed the preset fluctuation level.

7. The system according to claim 5, characterized in that, The monitoring unit further includes: A level gauge is used to monitor the real-time liquid level in the monitoring unit and send the real-time liquid level to the control unit so that when the real-time liquid level reaches a preset height, the control unit shuts down the third control pump.

8. The system according to claim 5, characterized in that, The control unit further includes: A fourth control pump is connected to both the monitoring unit and the sand mixing unit, and is used to provide power for injecting the mixed liquid flowing out of the monitoring unit into the sand mixing unit.

9. The system according to claim 1, characterized in that, The monitoring unit includes: Acid-base detector, used to monitor the acidity or alkalinity of a mixed solution; A hydrometer is used to monitor the density of a mixture. A viscometer is used to monitor the viscosity of a mixture.

10. The system according to claim 1, characterized in that, The mixing unit includes: The inlet has its input end connected to the sand removal unit and the liquid injection unit respectively, and its output end connected to the mixing container. A mixing container for containing the mixture; An impeller, connected to and located inside the mixing container, is used to stir the mixture; A stirring controller, connected to the impeller, is used to control the rotational speed of the impeller; An exhaust valve connects the interior of the mixing container to the external environment; The liquid outlet is connected to the monitoring unit.

11. A method for monitoring fracturing construction parameters, characterized in that, The method includes: Request monitoring of fracturing operation parameters; According to the fracturing construction parameter monitoring request, the sand-carrying fluid is obtained from the sand mixing unit; The sand-carrying liquid is separated by a sand removal unit to obtain a separated liquid, which is then injected into a mixing unit. Based on the preset fracturing construction requirements, determine the base fluid that meets the preset fracturing construction type and proportion requirements; Using a control unit, a base fluid that meets the preset fracturing operation type and ratio requirements is injected into the mixing unit, so that the separation fluid and the base fluid are mixed in the mixing unit according to the ratio requirements to obtain a mixture; the ratio requirements are determined based on the ratio between the base fluid and the sand-carrying fluid injected into the target well during fracturing operation; The mixture is monitored using a monitoring unit to obtain monitoring results, and the mixture is then injected into the sand mixing unit. When the monitoring unit monitors the mixture, the switching unit uses a switching unit to switch the sensing device in the monitoring unit in real time according to the range of the monitoring results, so that the measurement range of the sensing device matches the actual parameters of the mixture.

12. A computer device comprising a memory, a processor, and a computer program stored in the memory, characterized in that, When the computer program is run by the processor, it executes the instructions of the method according to claim 11.

13. A computer storage medium having a computer program stored thereon, characterized in that, When the computer program is run by the processor of the computer device, it executes the instructions of the method according to claim 11.

14. A computer program product, characterized in that, The computer program product includes a computer program that, when executed by a processor, performs instructions according to the method of claim 11.

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