Performance determination method and equipment of drilling fluid, storage medium and program product
By acquiring the geological and engineering parameters of the target reservoir, determining the type and evaluation parameters of the drilling fluid, and using multiple drill bits of different sizes, experimental treatment was conducted using a pre-set pumping system. This solved the problem of insufficient accuracy in drilling fluid performance evaluation, achieving higher evaluation accuracy and improved safety and efficiency in the drilling process.
Patent Information
- Application Number
- CN202511021791.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-23
- Publication Date
- 2025-10-31
AI Technical Summary
In existing technologies, drilling fluid performance evaluation methods are limited by the scale of laboratory equipment and the size of rock samples, which cannot accurately reflect actual drilling conditions, resulting in insufficient evaluation accuracy and difficulty in providing reliable guidance for actual production.
By acquiring the geological and engineering parameters of the target reservoir, determining the type of drilling fluid and evaluation parameters, using multiple drill bits of different sizes, and employing a pre-set pumping system to experimentally process the target drilling fluid, experimental values are obtained, simulating real drilling scenarios, and improving the accuracy of evaluation.
This improves the accuracy of drilling fluid performance evaluation, provides a more reliable basis for drilling fluid selection, and enhances the safety and efficiency of the drilling process.
Smart Images
Figure CN120870530A_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of oil and gas drilling technology, and in particular to a method, equipment, storage medium and program product for determining the properties of drilling fluid. Background Technology
[0002] Drilling fluid is a circulating flushing medium used in oil, gas, or geological drilling processes. Drilling fluids include ordinary drilling fluids, high-density drilling fluids, and deep-well drilling fluids. Different drilling fluids are suitable for different drilling environments to reduce production costs, shorten drilling time, and improve economic efficiency. The performance of the drilling fluid determines the safety and configuration costs of drilling; therefore, it is necessary to evaluate the performance of drilling fluids.
[0003] Currently, drilling fluid performance evaluation mainly relies on laboratory simulation experiments. These experiments have determined that nano-silica in brine drilling fluids can improve the plugging effect on shale and mudstone, thus affecting drilling fluid performance, and that multi-walled carbon nanotubes can enhance the rheological and thermal conductivity of drilling fluids. However, existing performance evaluation methods are limited by the scale of laboratory equipment and the size of rock samples, making it difficult to accurately reflect actual drilling conditions and provide reliable guidance for actual production.
[0004] Therefore, existing technologies suffer from insufficient accuracy in evaluating drilling fluid performance. Summary of the Invention
[0005] This application provides a method, equipment, storage medium, and program product for determining the performance of drilling fluids, in order to improve the accuracy of drilling fluid performance evaluation.
[0006] In a first aspect, embodiments of this application provide a method for determining the properties of drilling fluid, including:
[0007] Obtain the geological and engineering parameters of the target reservoir;
[0008] Based on geological and engineering parameters, determine the type of drilling fluid and the evaluation parameters.
[0009] Determine the target drilling fluid based on the type of drilling fluid;
[0010] Based on geological engineering parameters, determine multiple drill bits corresponding to different sizes;
[0011] Multiple drill bits were used to experimentally treat the target drilling fluid through a pre-set pumping system, and experimental values were obtained.
[0012] Based on the experimental values, the evaluation results of the target drilling fluid corresponding to the evaluation parameters are determined.
[0013] In one possible implementation, multiple drill bits are used to experimentally treat the target drilling fluid through a pre-set pumping system, and experimental values are obtained, including:
[0014] Multiple drill bits were used to pump the target drilling fluid through a preset pumping system, and the first experimental value corresponding to the evaluation parameter was obtained after each pumping process.
[0015] The target drilling fluid was flowed back using a pre-set pumping system, and second experimental values of the target drilling fluid after the flowback were obtained; the second experimental values included volume, density and cuttings mass.
[0016] In one possible implementation, after determining the target drilling fluid, the method further includes:
[0017] Detect the initial performance parameters of the target drilling fluid;
[0018] Accordingly, after determining the evaluation results of the target drilling fluid corresponding to the evaluation parameters based on experimental values, the process also includes:
[0019] Post-test performance parameters of the target drilling fluid;
[0020] Based on initial performance parameters, post-test performance parameters, and evaluation results, optimized data for the target drilling fluid is generated.
[0021] In one possible implementation, before using multiple drill bits to experimentally treat the target drilling fluid through a preset pumping system and obtaining experimental values, the method further includes:
[0022] Based on geological engineering parameters, the simulated strata and simulated mud are determined;
[0023] A pre-designed pumping system was established based on the simulated formation and simulated mud.
[0024] In one possible implementation, the evaluation parameters include at least one of the following:
[0025] Resistance reduction performance, sand carrying performance, filtration loss reduction performance, rheology, lubricity, stability, inhibition, density, and pH value.
[0026] In one possible implementation, the drilling fluid type is determined based on geological engineering parameters, including:
[0027] Determine the geological type of the target reservoir based on geological engineering parameters;
[0028] The type of drilling fluid is determined based on the geological type of the target reservoir;
[0029] If the geological type is a shale gas reservoir, the drilling fluid type is an oil-based drilling fluid; if the geological type is a high-temperature and high-pressure formation, the drilling fluid type is an organic salt drilling fluid or a synthetic-based drilling fluid.
[0030] In one possible implementation, the geological engineering parameters include at least one of the following:
[0031] Poisson's ratio, elastic modulus, uniaxial compressive strength, shear strength, porosity, permeability, mineral composition, and mineral content.
[0032] Secondly, embodiments of this application provide a drilling fluid performance determination device, including: a memory and a processor;
[0033] The memory stores instructions that the computer executes;
[0034] The processor executes computer execution instructions stored in memory, causing the processor to perform the first aspect and / or various possible implementations of the first aspect as described above.
[0035] Thirdly, embodiments of this application provide a computer-readable storage medium storing computer-executable instructions, which, when executed by a processor, are used to implement the first aspect and / or various possible implementations of the first aspect.
[0036] Fourthly, embodiments of this application provide a computer program product, including a computer program that, when executed by a processor, implements the first aspect and / or various possible implementations of the first aspect.
[0037] This application provides a method, equipment, storage medium, and program product for determining the performance of drilling fluid. It determines the type and evaluation parameters of the drilling fluid by acquiring the geological engineering parameters of the target reservoir; identifies the target drilling fluid based on the type of drilling fluid; determines multiple drill bits of different sizes based on the geological engineering parameters; uses multiple drill bits and a preset pumping system to experimentally process the target drilling fluid and obtain experimental values; and determines the evaluation result of the target drilling fluid corresponding to the evaluation parameters based on the experimental values. Compared to existing technologies, this application, based on a mine-grade experimental platform and using multiple drill bits of different sizes, conducts experimental processing of the target drilling fluid through a preset pumping system, enabling the acquisition of more accurate experimental values and thus improving the accuracy of drilling fluid performance evaluation. Attached Figure Description
[0038] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.
[0039] Figure 1 A schematic diagram of the drilling system provided in this application;
[0040] Figure 2 Flowchart of the drilling fluid performance determination method provided in this application Figure 1 ;
[0041] Figure 3 Flowchart of the drilling fluid performance determination method provided in this application Figure 2 ;
[0042] Figure 4 Flowchart of the drilling fluid performance determination method provided in this application Figure 3 ;
[0043] Figure 5 Flowchart of the drilling fluid performance determination method provided in this application Figure 4 ;
[0044] Figure 6 A schematic diagram of the drilling fluid performance determination device provided in this application;
[0045] Figure 7 A schematic diagram of the drilling fluid performance determination device provided in this application.
[0046] The accompanying drawings have illustrated specific embodiments of this application, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concept of this application to those skilled in the art through reference to specific embodiments. Detailed Implementation
[0047] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.
[0048] It should be noted that all data involved in this application are information and data authorized by the user or fully authorized by all parties, and the collection, use and processing of the relevant data must comply with relevant laws, regulations and standards, and corresponding operation portals are provided for users to choose to authorize or refuse.
[0049] Drilling fluid is a circulating flushing medium used in oil, gas, or geological drilling processes. It is used to carry and suspend cuttings, balance formation pressure, cool and lubricate drilling equipment, transmit hydrodynamic forces, stabilize the wellbore, and protect the reservoir. Drilling fluids possess different physical, chemical, and compositional properties. Physical properties include density, viscosity, and shear stress. By evaluating the performance of drilling fluids, it is possible to determine which fluids meet the needs of different drilling environments, thereby reducing production costs, shortening drilling time, and improving drilling efficiency.
[0050] Currently, drilling fluid performance evaluation mainly relies on laboratory simulation experiments. These experiments have determined that nano-silica in brine drilling fluids can improve the plugging effect on shale and mudstone, thus affecting drilling fluid performance, and that multi-walled carbon nanotubes can enhance the rheological and thermal conductivity of drilling fluids. However, existing performance evaluation methods are limited by the scale of laboratory equipment and the size of rock samples, making it difficult to accurately reflect actual drilling conditions and provide reliable guidance for actual production.
[0051] Therefore, existing technologies suffer from insufficient accuracy in evaluating drilling fluid performance.
[0052] To address the aforementioned issues, the core concept of this application is as follows: By obtaining the geological and engineering parameters of the target reservoir, the type and evaluation parameters of the drilling fluid are determined; based on the type of drilling fluid, the target drilling fluid is identified; based on the geological and engineering parameters, multiple drill bits corresponding to different sizes are selected; using multiple drill bits, the target drilling fluid is experimentally treated through a pre-set pumping system, and experimental values are obtained, thereby acquiring experimental values adapted to the drilling environment; based on the experimental values, the evaluation results of the target drilling fluid corresponding to the evaluation parameters are determined, thus improving the accuracy of drilling fluid performance evaluation.
[0053] Figure 1 A schematic diagram of the drilling system provided in this application, such as Figure 1 As shown, the drilling system includes a high-strength sealing module, drill pipe, drill bit, run-through pipe, and run-through drilling fluid. The high-strength sealing module ensures a tight seal during drilling to prevent drilling fluid leakage. The drill pipe connects the drill bit to surface equipment to transmit rotary fluid and drilling fluid. The drill bit, located at the end of the drill pipe, is used to break up underground rocks simulating formations. The run-through pipe returns the run-through drilling fluid from the bottom of the well to the surface to monitor its volume, density, and cuttings mass. The run-through drilling fluid is the drilling fluid that completes downhole circulation, used to cool the drill bit, carry cuttings, and maintain wellbore stability.
[0054] The technical solution of this application and how the technical solution of this application solves the above-mentioned technical problems are described in detail below with specific embodiments. These specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described again in some embodiments. The embodiments of this application will be described below with reference to the accompanying drawings.
[0055] Figure 2 Flowchart of the drilling fluid performance determination method provided in this application Figure 1 ,like Figure 2 As shown, the method includes:
[0056] S201. Obtain the geological and engineering parameters of the target reservoir.
[0057] Optionally, the geological engineering parameters include at least one of the following:
[0058] Poisson's ratio, elastic modulus, uniaxial compressive strength, shear strength, porosity, permeability, mineral composition, and mineral content.
[0059] In this embodiment, Poisson's ratio is the ratio of lateral strain to axial strain, used to predict the deformation characteristics of rocks during drilling; elastic modulus is the ratio of stress to strain in the rock during elastic deformation, used to assess the rock's stiffness and deformation capacity, ensuring formation stability and wellbore integrity during drilling; uniaxial compressive strength is the maximum compressive stress that a rock can withstand without lateral restraint, used to analyze the rock's bearing capacity and failure characteristics, ensuring drilling design and formation stability; shear strength is the rock's ability to resist shear failure, used to assess the rock's stability under shear stress; porosity is the ratio of pore volume to total volume in a rock, used to predict the fluid storage and flow capacity in the formation; permeability is a parameter measuring the fluid flow capacity of a rock, used to assess the fluid flow rate and efficiency in the formation; mineral composition is the types and proportions of different minerals in the rock, used to assess the rock's physical and chemical properties; mineral content is the data or proportions of each mineral in the rock, used to assess the rock's mechanical properties and chemical reactivity.
[0060] By obtaining the geological and engineering parameters of the target reservoir, the mechanical behavior and hydrodynamic characteristics of the target reservoir can be determined, providing a basis for the selection of subsequent drilling fluids.
[0061] S202. Determine the type of drilling fluid based on geological and engineering parameters, and determine the evaluation parameters based on geological and engineering parameters.
[0062] In this embodiment, the geological type of the target reservoir can be determined based on geological engineering parameters, and the type of drilling fluid can be determined based on the geological structure type;
[0063] Further, evaluation parameters are determined, including at least one of the following:
[0064] Resistance reduction performance, sand carrying performance, filtration loss reduction performance, rheology, lubricity, stability, inhibition, density, and pH value.
[0065] In this embodiment, drag reduction performance refers to the flow resistance of drilling fluid between the tubing and the wellbore, used to reduce pump pressure requirements, increase mechanical drilling rate, and thus reduce equipment energy consumption; cuttings carrying performance refers to the drilling fluid's ability to carry cuttings, obtained by measuring the cuttings content in the drilling fluid; filtration loss reduction performance refers to the amount of drilling fluid lost to the formation, achieved by the drilling fluid forming a filter cake on the wellbore, reducing the amount of drilling fluid lost to the formation; rheological properties include viscosity and shear stress, used to evaluate the fluidity and suspension capacity of the drilling fluid; lubricity refers to the lubrication effect of the drilling fluid on the drill bit and drill pipe, used to address friction and wear between the drill bit and drill pipe and the wellbore; stability refers to the stability of the drilling fluid under different temperatures and pressures; inhibition refers to the drilling fluid's ability to inhibit clay swelling and hydration in the formation; density refers to the density of the drilling fluid, used to evaluate its ability to balance formation pressure; pH value refers to the pH of the drilling fluid, used to evaluate its chemical stability.
[0066] S203. Determine the target drilling fluid based on the type of drilling fluid.
[0067] In this embodiment, the target drilling fluid refers to the type of drilling fluid that matches the geological and engineering parameters of the target reservoir;
[0068] For example, if the target reservoir is composed of quartz and the content is greater than the preset content of hard and brittle minerals, then a drilling fluid with higher lubricity, such as an oil-based drilling fluid, should be selected to reduce friction and wear between the drill bit and drill pipe and the well wall, which could lead to well wall spalling.
[0069] S204. Based on geological engineering parameters, determine multiple drill bits corresponding to different sizes.
[0070] In this embodiment, for example, if the shear strength is less than 15 MPa and the porosity is greater than 20%, a drill bit with a diameter of 80 mm to 120 mm is used; if the uniaxial compressive strength is greater than or equal to 50 MPa and less than or equal to 150 MPa, and the elastic modulus is greater than or equal to 20 GPa and less than or equal to 50 GPa, a drill bit with a diameter of 120 mm to 200 mm is used; if the quartz content is greater than 60% and the permeability is less than 10 mD, a drill bit with a diameter of 200 mm to 300 mm is used.
[0071] S205. Using multiple drill bits, the target drilling fluid is experimentally treated through a preset pumping system, and experimental values are obtained.
[0072] In this embodiment, for example, if the diameters of multiple drill bits are 118.2mm, 125.74mm, and 158.5mm respectively, and the target drilling fluid is a water-based drilling fluid; or if the diameters of multiple drill bits are 124.1mm, 139.7mm, and 177.8mm respectively, and the target drilling fluid is an oil-based drilling fluid; then the target drilling fluid is experimentally treated using a preset pumping system, and the experimental values are obtained as follows:
[0073] In the mine-level experimental platform, the target drilling fluid was pumped using a real pump truck to obtain flowback drilling fluid. The experimental values of the flowback drilling fluid included its volume, density, and cuttings mass.
[0074] Furthermore, pre-set experimental instruments can be used to test and measure the flowback drilling fluid to obtain its drag reduction performance, filtration loss reduction performance, rheology, lubricity, stability, inhibition, density, and pH value.
[0075] S206. Based on the experimental values, determine the evaluation results of the target drilling fluid corresponding to the evaluation parameters.
[0076] In this embodiment, for example, the mass of cuttings carried by the flowback drilling fluid is obtained based on the volume and density of the flowback drilling fluid, as well as the volume and density of the drilling fluid before pumping treatment. The cuttings carrying capacity of the target drilling fluid is determined by filtration and weighing technology. The mass of cuttings carried by the flowback drilling fluid is the difference between the product of the volume and density of the flowback drilling fluid and the product of the volume and density of the drilling fluid before pumping treatment.
[0077] Based on the preset indicators, the results are compared with the obtained experimental values to determine the evaluation results of the target drilling fluid corresponding to the evaluation parameters.
[0078] The drilling fluid performance determination method provided in this application determines the type and evaluation parameters of the drilling fluid by obtaining the geological engineering parameters of the target reservoir; determines the target drilling fluid based on the type of drilling fluid; determines multiple drill bits of different sizes based on the geological engineering parameters; uses multiple drill bits to experimentally process the target drilling fluid through a preset pumping system and obtains experimental values; and determines the evaluation results of the target drilling fluid corresponding to the evaluation parameters based on the experimental values. Compared with the indoor simulation experiments in the prior art, this application is based on mine-level experiments, using multiple drill bits of different sizes to simulate real drilling scenarios, obtaining more realistic experimental values and improving the accuracy of drilling fluid performance evaluation.
[0079] Figure 3 Flowchart of the drilling fluid performance determination method provided in this application Figure 2 ,like Figure 3 As shown, in this embodiment... Figure 2Based on the embodiments, the method of determining the drilling fluid type according to geological engineering parameters in step S202 above will be described in detail. The method includes:
[0080] S301. Determine the geological type of the target reservoir based on geological engineering parameters.
[0081] In this embodiment, the geological type of the target reservoir can be determined based on geological engineering parameters. Among them, the geological structure types include shale gas reservoirs, conventional oil and gas reservoirs, tight sandstone gas reservoirs, coalbed methane reservoirs, fractured reservoirs, igneous and metamorphic rock reservoirs, salt rock reservoirs, and natural gas hydrates.
[0082] S302. Determine the type of drilling fluid based on the geological type of the target reservoir.
[0083] In this embodiment, the drilling fluid types include water-based drilling fluid, oil-based drilling fluid, synthetic-based drilling fluid, gas drilling fluid, foam drilling fluid, emulsion drilling fluid, and organic salt drilling fluid.
[0084] In this embodiment, for example, if the geological type is a shale gas reservoir, the drilling fluid type is an oil-based drilling fluid; if the geological type is a high-temperature and high-pressure formation, the drilling fluid type is an organic salt drilling fluid or a synthetic-based drilling fluid.
[0085] If the target reservoir is a shale gas reservoir, using oil-based drilling fluid can effectively suppress the formation collapse and expansion problem of water-sensitive rock formations.
[0086] If the temperature of the target reservoir is higher than 150℃ and the equivalent density is higher than 2.5 g / cm³, then... 3 If the target reservoir is a high-temperature and high-pressure reservoir, then an organic salt drilling fluid should be selected.
[0087] Furthermore, if the temperature of the target reservoir is higher than 180℃ and the equivalent density is higher than 2.8 g / cm³, 3 At this time, synthetic-based drilling fluid should be selected.
[0088] The drilling fluid performance determination method provided in this application determines the geological type of the target reservoir through geological engineering parameters, thereby determining the type of drilling fluid. It selects a targeted drilling fluid for a specific drilling environment, which improves the safety and stability of the drilling process and enhances the accuracy of drilling fluid performance evaluation.
[0089] Figure 4 Flowchart of the drilling fluid performance determination method provided in this application Figure 3 ,like Figure 4 As shown, in this embodiment... Figure 2 Based on the embodiment, before step S205 above, the following is also included:
[0090] S401. Based on geological engineering parameters, determine the simulated strata and simulated mud.
[0091] In this embodiment, the mechanical behavior and hydrodynamic characteristics of the target reservoir are determined based on geological engineering parameters, thereby determining the simulated formation and simulated drilling mud consistent with the target reservoir. The simulated formation refers to the downhole formation environment consistent with the target reservoir, and the simulated drilling mud refers to the drilling fluid corresponding to the simulated formation.
[0092] S402. Based on the simulated formation and simulated mud, establish a preset pumping system.
[0093] In this embodiment, based on simulated formation and simulated drilling mud, a pump truck consistent with that used in the experimental mine is employed to simulate the high-pressure fluid delivery system for downhole drilling fluid circulation, thereby establishing a pre-set pumping system. This improves the realism and accuracy of drilling fluid performance evaluation.
[0094] Accordingly, the method described in detail for step S205 above, which involves using multiple drill bits and a preset pumping system to experimentally treat the target drilling fluid and obtaining experimental values, includes:
[0095] S403. Using multiple drill bits, the target drilling fluid is pumped through a preset pumping system, and the first experimental value corresponding to the evaluation parameter is obtained after each pumping process.
[0096] In this embodiment, pump injection refers to the operation of injecting the target drilling fluid into the formation through a preset pump injection system. In this embodiment, drill bits with diameters of 118.2 mm, 125.74 mm, and 158.5 mm are used to inject water-based drilling fluid into the simulated formation through the preset pump injection system; or drill bits with diameters of 124.1 mm, 139.7 mm, and 177.8 mm are used to inject oil-based drilling fluid into the simulated formation through the preset pump injection system. After each pump injection, the first experimental values corresponding to the evaluation parameters are obtained. The first experimental values include the drag reduction performance, filtration loss reduction performance, rheology, lubricity, stability, inhibition, density, and pH value of the target drilling fluid after each pump injection.
[0097] S404. The target drilling fluid is flowed back using a pre-set pumping system, and the second experimental values of the target drilling fluid after the flowback are obtained; wherein, the second experimental values include volume, density and cuttings mass.
[0098] In this embodiment, the backflow treatment refers to the filtration and weighing process, and the second experimental values include the volume, density, and cuttings mass of the target drilling fluid after the backflow treatment.
[0099] The drilling fluid performance determination method provided in this application improves the authenticity and accuracy of experimental results by simulating real formations and using mine-grade platform equipment.
[0100] Figure 5 Flowchart of the drilling fluid performance determination method provided in this application Figure 4 ,like Figure 5 As shown, in this embodiment... Figure 2 Based on the embodiments, after determining the target drilling fluid in step S203 above, the method further includes:
[0101] S501. Detect the initial performance parameters of the target drilling fluid.
[0102] In this embodiment, the initial performance parameters of the target drilling fluid include viscosity and shear force. These initial performance parameters are obtained by testing the drilling fluid that has not been injected into the well for circulation using preset instruments and equipment.
[0103] Accordingly, after determining the evaluation result of the target drilling fluid corresponding to the evaluation parameters based on experimental values in step S206 above, the method further includes:
[0104] S502. Post-test performance parameters of the target drilling fluid.
[0105] In this embodiment, the drag reduction performance, sand carrying capacity, filtration loss reduction performance, rheology, lubricity, stability, inhibition, density, and pH value of the target drilling fluid after the test are obtained as post-test performance parameters.
[0106] S503. Based on the initial performance parameters, post-test performance parameters, and evaluation results, generate optimized data for the target drilling fluid.
[0107] In this embodiment, by comparing the initial performance parameters and the post-test performance parameters, and combining the evaluation results, the performance to be optimized in the target drilling fluid is determined, and based on the performance to be optimized, the materials, composition or proportion of the target drilling fluid is adjusted to generate optimized data for the target drilling fluid.
[0108] The drilling fluid performance determination method provided in this application generates optimized data for the target drilling fluid by comparing the initial performance parameters and the post-test performance parameters of the target drilling fluid, and combining the evaluation results, thereby improving the target drilling fluid and enhancing drilling efficiency and safety.
[0109] Figure 6 A schematic diagram of the drilling fluid performance determination device provided in this application is shown below. Figure 6 As shown, the drilling fluid performance determination device provided in this embodiment includes:
[0110] Module 601 is used to acquire the geological and engineering parameters of the target reservoir;
[0111] Optionally, the geological engineering parameters include at least one of the following:
[0112] Poisson's ratio, elastic modulus, uniaxial compressive strength, shear strength, porosity, permeability, mineral composition, and mineral content.
[0113] The first determining module 602 is used to determine the type of drilling fluid based on geological engineering parameters, and to determine the evaluation parameters based on geological engineering parameters;
[0114] Optionally, the evaluation parameters include at least one of the following:
[0115] Resistance reduction performance, sand carrying performance, filtration loss reduction performance, rheology, lubricity, stability, inhibition, density, and pH value.
[0116] The second determining module 603 is used to determine the target drilling fluid based on the type of drilling fluid;
[0117] The third determining module 604 is used to determine multiple drill bits corresponding to different sizes based on geological engineering parameters;
[0118] The processing module 605 is used to perform experimental processing on the target drilling fluid using multiple drill bits and a preset pumping system, and to obtain experimental values.
[0119] The fourth determining module 606 is used to determine the evaluation result of the target drilling fluid corresponding to the evaluation parameters based on the experimental values.
[0120] In one possible implementation, the first determining module 602 can also be used for:
[0121] Determine the geological type of the target reservoir based on geological engineering parameters;
[0122] The type of drilling fluid is determined based on the geological type of the target reservoir;
[0123] If the geological type is a shale gas reservoir, the drilling fluid type is an oil-based drilling fluid; if the geological type is a high-temperature and high-pressure formation, the drilling fluid type is an organic salt drilling fluid or a synthetic-based drilling fluid.
[0124] In one possible implementation, the processing module 605 can also be used for:
[0125] Multiple drill bits were used to pump the target drilling fluid through a preset pumping system, and the first experimental value corresponding to the evaluation parameter was obtained after each pumping process.
[0126] The target drilling fluid was flowed back using a pre-set pumping system, and second experimental values of the target drilling fluid after the flowback were obtained; the second experimental values included volume, density and cuttings mass.
[0127] In one possible implementation, the third determining module 604 can also be used for:
[0128] Based on geological engineering parameters, the simulated strata and simulated mud are determined;
[0129] A pre-designed pumping system was established based on the simulated formation and simulated mud.
[0130] In one possible implementation, after determining the target drilling fluid, the following is also included:
[0131] The detection module is used to detect the initial performance parameters of the target drilling fluid;
[0132] Accordingly, after determining the evaluation results of the target drilling fluid corresponding to the evaluation parameters based on experimental values, the detection module can also be used for:
[0133] Post-test performance parameters of the target drilling fluid;
[0134] Based on initial performance parameters, post-test performance parameters, and evaluation results, optimized data for the target drilling fluid is generated.
[0135] The drilling fluid performance determination device provided in this embodiment can execute the method provided in the above method embodiment. Its implementation principle and technical effect are similar, and will not be described in detail here.
[0136] Figure 7 A schematic diagram of the drilling fluid performance determination device provided in this application. Figure 7 As shown, the drilling fluid performance determination device provided in this embodiment includes at least one processor 701 and a memory 702. Optionally, the drilling fluid performance determination device further includes a communication component 703. The processor 701, memory 702, and communication component 703 are connected via a bus 704.
[0137] In a specific implementation, at least one processor 701 executes computer execution instructions stored in memory 702, causing at least one processor 701 to perform the above-described method.
[0138] The specific implementation process of processor 701 can be found in the above method embodiments, and its implementation principle and technical effect are similar. It will not be repeated here.
[0139] In the above embodiments, it should be understood that the processor can be a Central Processing Unit (CPU), or other general-purpose processors, digital signal processors (DSPs), application-specific integrated circuits (ASICs), etc. The general-purpose processor can be a microprocessor or any conventional processor. The steps of the method disclosed in this invention can be directly implemented by a hardware processor, or implemented by a combination of hardware and software modules within the processor.
[0140] The memory may include random access memory (RAM) and may also include non-volatile memory (NVM), such as at least one disk storage device.
[0141] The bus can be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, or an Extended Industry Standard Architecture (EISA) bus, etc. Buses can be categorized as address buses, data buses, control buses, etc. For ease of illustration, the buses shown in the accompanying drawings are not limited to a single bus or a single type of bus.
[0142] This application also provides a computer program product, including a computer program that, when executed by a processor, implements the above-described method.
[0143] This application also provides a computer-readable storage medium storing computer-executable instructions, which, when executed by a processor, implement the above-described method.
[0144] The aforementioned readable storage medium can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic storage, flash memory, magnetic disk, or optical disk. The readable storage medium can be any available medium accessible to a general-purpose or special-purpose computer.
[0145] An exemplary readable storage medium is coupled to a processor, enabling the processor to read information from and write information to the readable storage medium. Of course, the readable storage medium can also be a component of the processor. The processor and the readable storage medium can reside in an Application Specific Integrated Circuit (ASIC). Alternatively, the processor and the readable storage medium can exist as discrete components in the device.
[0146] The division of units is merely a logical functional division; in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or direct coupling or communication connection shown or discussed may be indirect coupling or communication connection through some interfaces, devices, or units, and may be electrical, mechanical, or other forms.
[0147] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.
[0148] In addition, the functional units in the various embodiments of the present invention can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit.
[0149] If a function is implemented as a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this invention, or the part that contributes to the prior art, or a part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods of the various embodiments of this invention. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.
[0150] Those skilled in the art will understand that all or part of the steps of the above-described method embodiments can be implemented by hardware related to program instructions. The aforementioned program can be stored in a computer-readable storage medium. When executed, the program performs the steps of the above-described method embodiments; and the aforementioned storage medium includes various media capable of storing program code, such as ROM, RAM, magnetic disks, or optical disks.
[0151] Finally, it should be noted that other embodiments of the invention will readily occur to those skilled in the art upon consideration of the specification and practice of the invention disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the invention that follow the general principles of the invention and include common knowledge or customary techniques in the art not disclosed herein, and is not limited to the precise structures described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of the invention is limited only by the appended claims.
Claims
1. A method for determining the properties of drilling fluid, characterized in that, Applied to a computer device, the method includes: Obtain the geological and engineering parameters of the target reservoir; Based on the geological and engineering parameters, the type of drilling fluid is determined, and the evaluation parameters are determined based on the geological and engineering parameters. Based on the type of drilling fluid, determine the target drilling fluid; Based on the geological engineering parameters, multiple drill bits corresponding to different sizes are determined; Using the aforementioned multiple drill bits, the target drilling fluid was experimentally treated through a preset pumping system, and experimental values were obtained. Based on the experimental values, the evaluation results of the target drilling fluid corresponding to the evaluation parameters are determined.
2. The method according to claim 1, characterized in that, The process of using the multiple drill bits to experimentally treat the target drilling fluid through a preset pumping system and obtaining the experimental values includes: Using the multiple drill bits, the target drilling fluid is pumped through a preset pumping system, and a first experimental value corresponding to the evaluation parameter is obtained after each pumping process. The target drilling fluid is flowed back using a pre-set pumping system, and second experimental values of the target drilling fluid after the flowback are obtained; wherein, the second experimental values include volume, density and cuttings mass.
3. The method according to claim 1, characterized in that, After determining the target drilling fluid, the method further includes: Detect the initial performance parameters of the target drilling fluid; Accordingly, after determining the evaluation result of the target drilling fluid corresponding to the evaluation parameter based on the experimental values, the method further includes: The post-test performance parameters of the target drilling fluid were measured. Based on the initial performance parameters, the post-test performance parameters, and the evaluation results, optimized data for the target drilling fluid is generated.
4. The method according to claim 1, characterized in that, Before using the multiple drill bits to experimentally treat the target drilling fluid through a preset pumping system and obtaining experimental values, the process further includes: Based on the geological engineering parameters, the simulated strata and simulated mud were determined; Based on the simulated formation and the simulated mud, a pre-designed pumping system is established.
5. The method according to any one of claims 1 to 4, characterized in that, The evaluation parameters include at least one of the following: Resistance reduction performance, sand carrying performance, filtration loss reduction performance, rheology, lubricity, stability, inhibition, density, and pH value.
6. The method according to any one of claims 1 to 4, characterized in that, The process of determining the drilling fluid type based on the geological engineering parameters includes: Based on the geological engineering parameters, the geological type of the target reservoir is determined; The type of drilling fluid is determined based on the geological type of the target reservoir; Wherein, if the geological type is a shale gas reservoir, the drilling fluid type is an oil-based drilling fluid; if the geological type is a high-temperature and high-pressure formation, the drilling fluid type is an organic salt drilling fluid or a synthetic-based drilling fluid.
7. The method according to any one of claims 1 to 4, characterized in that, The geological engineering parameters include at least one of the following: Poisson's ratio, elastic modulus, uniaxial compressive strength, shear strength, porosity, permeability, mineral composition, and mineral content.
8. A device for determining the properties of drilling fluid, characterized in that, include: Memory, processor; The memory stores computer-executed instructions; The processor executes computer execution instructions stored in the memory, causing the processor to perform the method as described in any one of claims 1-7.
9. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores computer-executable instructions, which, when executed by a processor, are used to implement the method as described in any one of claims 1-7.
10. A computer program product, characterized in that, Includes a computer program that, when executed by a processor, implements the method described in any one of claims 1-7.