Digitalized oilfield wellhead fluid temperature and pressure measuring device

Abstract

The application relates to the technical field of temperature and pressure measurement, in particular to a digital oilfield wellhead fluid temperature and pressure measuring device, which comprises a digital protection box, a fluid detection inlet pipe and a digital display are installed on the digital protection box, and further comprises a detection main pipe, the detection main pipe is located in the digital protection box and is connected with the fluid detection inlet pipe, a detection branch pipe and a fluid fluctuation detection pipe, the detection branch pipe and the fluid fluctuation detection pipe are connected with the detection main pipe and are connected with the inner wall of the digital protection box, and a measuring mechanism, the measuring mechanism is located on the digital protection box, wherein the measuring mechanism comprises a temperature and pressure detection assembly, a fluctuation detection assembly and a pressure relief protection assembly; the digital oilfield wellhead fluid temperature and pressure measuring device is simple to operate, high in automation degree, can realize real-time monitoring on the pressure fluctuation condition of fluid and improves the protection capability of the overall equipment.

Description

Technical Field

[0001] This invention relates to the field of temperature and pressure measurement technology, specifically a digital oilfield wellhead fluid temperature and pressure measurement device. Background Technology

[0002] Currently, an oil and gas field is the sum of oil and gas reservoirs within the same producing area, controlled by a single geological structure (or stratigraphy). An oil and gas field may have one or more reservoirs. Areas primarily composed of oil reservoirs are called oil fields, while those primarily composed of gas reservoirs are called gas fields. With the continuous development of information technology and automation processes, the application of automated production systems in oil field production is becoming increasingly widespread, providing reliable guarantees for efficient oil field development, reduced consumption, safe production, reduced labor intensity for employees, and improved work efficiency and management levels. During oil extraction, underground oil needs to be transported through pipelines. To ensure the safety of transported oil, the temperature and pressure of the oil within the pipelines need to be measured.

[0003] Existing digital oilfield wellhead fluid temperature and pressure measurement devices can protect the instruments used to detect fluid temperature and pressure and can perform detection of conventional fluids. However, they cannot detect fluid pressure fluctuations, and the protection of the detection equipment itself is not comprehensive enough, still posing safety hazards and making them very inconvenient to use. Therefore, in view of the above situation, there is an urgent need to develop a digital oilfield wellhead fluid temperature and pressure measurement device to overcome the shortcomings in current practical applications. Summary of the Invention

[0004] The purpose of this invention is to provide a digital oilfield wellhead fluid temperature and pressure measurement device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A digital oilfield wellhead fluid temperature and pressure measurement device includes a digital protective box, on which a fluid detection inlet pipe and a digital display are installed, and further includes:

[0007] A detection manifold, located inside the digital protective box, is connected to the fluid detection inlet pipe;

[0008] The system includes a detection branch pipe and a fluid fluctuation detection pipe, both of which are connected to the main detection pipe and to the inner wall of the digital protective enclosure; and

[0009] The measuring mechanism is located on the digital protective box and is connected to the detection branch pipe and the fluid fluctuation detection pipe respectively. The measuring mechanism includes a temperature and pressure detection component, a fluctuation detection component and a pressure relief protection component.

[0010] The temperature and pressure detection components are respectively connected to the digital protection box and the detection branch pipe. The fluctuation detection component is connected to the fluid fluctuation detection pipe and is electrically connected to the temperature and pressure detection components. The pressure relief protection component is connected to the digital protection box and the detection main pipe and is electrically connected to the fluctuation detection component.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] To measure the temperature and pressure of oil in the pipeline, firstly, a fluid detection inlet pipe is installed. This inlet pipe can be connected to the pipeline via flanges or tees. This splits the oil in the pipeline into two paths: one path continues normal transport, while the other path enters the digital protection box via the fluid detection inlet pipe, then flows into the detection branch pipe and the fluid fluctuation detection pipe. Next, the temperature and pressure detection components measure the oil's temperature and pressure, displaying the values ​​on a digital display for recording purposes. Simultaneously, after the oil enters the fluid fluctuation detection pipe, any fluctuations that occur within the pipeline during oil transport are detected. By setting up a fluctuation detection component, the frequency and magnitude of fluctuations can be approximated, making it easier for staff to observe the specific situation of oil transportation in pipelines and take protective measures at any time. When the fluctuation impact force is large, the pressure relief protection component can be activated, which can protect the detection equipment from impact damage and protect the oil transportation pipeline. It can also remind staff to take timely measures. The operation is simple, highly automated, and can monitor the pressure fluctuation of the fluid in real time, improving the overall protective capability of the equipment and further preventing safety accidents. It is worth promoting. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall front view structure in an embodiment of the present invention.

[0014] Figure 2 This is a schematic diagram of the front sectional view of the digital protective box in an embodiment of the present invention.

[0015] Figure 3 This is a schematic diagram of the front cross-sectional structure of the fluid fluctuation detection tube in an embodiment of the present invention.

[0016] Figure 4 This is a cross-sectional view of the frequency meter box in an embodiment of the present invention.

[0017] Figure 5 This is an embodiment of the present invention. Figure 3 A magnified cross-sectional view of the structure in section A.

[0018] In the diagram: 1-Digital protective box, 2-Watertight door, 3-Observation glass surface, 4-Support frame, 5-Fluid detection inlet pipe, 6-Pressure relief protective pipe, 7-Digital display, 8-Observation board, 9-Controller, 10-Temperature visual display light, 11-Detection main pipe, 12-Detection branch pipe, 13-Temperature detector, 14-Thermistor detection box, 15-Cable conduit, 16-Pressure detector, 17-Control circuit unit, 18-Pressure relief branch pipe, 19-Control valve, 20-Fluid fluctuation detection pipe, 21-Variable capacity airbag, 22-Telescopic smooth rod, 23-Connecting air hole, 24-Frequency meter box, 25-Distance fine-tuning frame, 26-Pressure relief starter, 27-Elastic detection rod, 28-Pressure counter, 29-Fluid fluctuation frequency detection frame, 30-Sliding block, 31-Magnetic protrusion, 32-Fine-tuning electromagnet, 33-Adjusting sleeve, 34-Waist groove. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] The specific implementation of the present invention will be described in detail below with reference to specific embodiments.

[0021] Please see Figure 1-5 The present invention provides a digital oilfield wellhead fluid temperature and pressure measurement device, comprising a digital protective box 1, wherein a fluid detection inlet pipe 5 and a digital display 7 are installed on the digital protective box 1, and further comprising:

[0022] The detection main pipe 11 is located inside the digital protective box 1 and is connected to the fluid detection inlet pipe 5;

[0023] The detection branch pipe 12 and the fluid fluctuation detection pipe 20 are both connected to the main detection pipe 11 and to the inner wall of the digital protection box 1; and

[0024] The measuring mechanism is located on the digital protective box 1 and is connected to the detection branch pipe 12 and the fluid fluctuation detection pipe 20 respectively. The measuring mechanism includes a temperature and pressure detection component, a fluctuation detection component and a pressure relief protection component.

[0025] The temperature and pressure detection components are connected to the digital protection box 1 and the detection branch pipe 12 respectively. The fluctuation detection component is connected to the fluid fluctuation detection pipe 20 and is electrically connected to the temperature and pressure detection components. The pressure relief protection component is connected to the digital protection box 1 and the detection main pipe 11 and is electrically connected to the fluctuation detection component.

[0026] To measure the temperature and pressure of the oil in the pipeline, firstly, a fluid detection inlet pipe 5 is installed. This inlet pipe 5 can be connected to the pipeline via flanges or tees. This splits the oil in the pipeline into two paths: one path continues normal transport, while the other path enters the digital protection box 1 through the fluid detection inlet pipe 5, and then flows into the detection branch pipe 12 and the fluid fluctuation detection pipe 20. Then, the temperature and pressure of the oil are measured by the installed temperature and pressure detection components, and the values ​​are displayed on the digital display 7 for recording by personnel. Simultaneously, after the oil enters the fluid fluctuation detection pipe 20, during the oil transport process, fluctuations within the pipeline... When fluctuations occur, the fluctuation detection component can approximate the frequency and magnitude of the fluctuations, allowing staff to monitor the specific conditions of oil transport within the pipeline and take timely protective measures. When the fluctuation impact is large, the pressure relief protection component can be activated, protecting the detection equipment from impact damage and the oil transport pipeline. It also alerts staff to take timely measures. The system is simple to operate, highly automated, and can monitor fluid pressure fluctuations in real time, improving the overall protective capability of the equipment and further preventing safety accidents. It is worthy of promotion.

[0027] In one embodiment of the present invention, please refer to Figure 1 and Figure 2 The temperature and pressure detection component includes:

[0028] Temperature detector 13 and pressure detector 16 are both connected to the digital protective box 1 and the detection branch pipe 12;

[0029] Observation board 8, which is located on the digital protective box 1;

[0030] Temperature display lamps 10, the number of which is several, and the several temperature display lamps 10 are evenly distributed on the observation plate 8; and

[0031] A conversion module is located on the digital protection box 1 and is connected to the detection branch pipe 12 and the fluctuation detection component.

[0032] The conversion module includes: a thermistor detection box 14, which is located on the detection branch pipe 12;

[0033] Controller 9, connected to the observation board 8, and connected to the thermistor detection box 14 via a cable conduit 15, the cable conduit 15 passing through the digital protective box 1, and the controller 9 is also electrically connected to the plurality of temperature visual display lights 10; and

[0034] The control circuit unit 17 is located inside the digital protection box 1 and is connected to the thermistor detection box 14 and the fluctuation detection component, respectively.

[0035] Once the oil is transported from the main detection pipe 11 to the branch detection pipe 12 and stabilizes, the temperature and pressure of the oil in the branch detection pipe 12 can be detected by the temperature detector 13 and pressure detector 16, and the detected values ​​are transmitted to the digital display 7. At this time, the thermistor detection box 14 can change the resistance value according to the change of oil temperature in the branch detection pipe 12, and change the current in the control circuit unit 17. Under the control of the controller 9, the temperature display light 10 corresponding to the current on the observation board 8 can be lit. At this time, by the different temperature display lights 10 being lit, the change of oil temperature in the pipeline can be observed. On the other hand, the range of oil temperature in the pipeline at a certain moment can be seen intuitively from a distance, so as to quickly determine whether the oil temperature in the pipeline is within a stable and normal range, which provides convenience for the staff. The specific temperature value is recorded by the digital display 7.

[0036] In one embodiment of the present invention, please refer to Figure 2-5 The fluctuation detection component includes:

[0037] The variable-capacity airbag 21 and the frequency meter box 24 are both located inside the fluid fluctuation detection tube 20.

[0038] A telescopic smooth rod 22, one end of which is connected to the variable-capacity airbag 21, and the other end of which passes through the frequency meter box 24 and is slidably connected to the frequency meter box 24. The telescopic smooth rod 22 is also detachably connected to the pressure relief protection assembly.

[0039] The frequency measurement module is connected to the fluid fluctuation detection tube 20 and the telescopic smooth rod 22 respectively.

[0040] The frequency measurement module includes:

[0041] The elastic detection rod 27 is a plurality of elastic detection rods 27, which are evenly distributed circumferentially on the telescopic smooth rod 22, and the elastic detection rods 27 are located inside the frequency measuring box 24.

[0042] A frequency fluctuation detection frame 29 passes through a frequency meter box 24 and is slidably connected to the frequency meter box 24;

[0043] Pressure counter 28, located on the fluctuation frequency detection frame 29 and detachably connected to the elastic detection rod 27; and

[0044] A spacing control system is located inside the fluid fluctuation detection tube 20 and is connected to the fluctuation frequency detection frame 29 and the temperature and pressure detection assembly, respectively.

[0045] The spacing control system includes: an adjustment sleeve 33, which is located inside the fluid fluctuation detection tube 20, and a waist groove 34 is provided on the side wall of the adjustment sleeve 33;

[0046] The sliding block 30 is slidably installed inside the adjusting sleeve 33, and the two sides of the sliding block 30 are connected to the inner wall of the adjusting sleeve 33 through magnetic protrusions 31.

[0047] The distance fine-tuning frame 25 is connected to the sliding block 30 through the waist groove 34 and is slidably connected to the waist groove 34. The distance fine-tuning frame 25 is also connected to the fluctuation frequency detection frame 29.

[0048] Fine-tuning electromagnet 32, located within the adjusting sleeve 33 and electrically connected to the temperature and pressure detection assembly; and

[0049] A magnetic protrusion 31 is located on the sliding block 30, and the magnetic protrusion 31 is also magnetically connected to the fine-tuning electromagnet 32.

[0050] Please see Figure 2 and Figure 3 The pressure relief protection component includes:

[0051] Pressure relief starter 26, which is located inside the fluid fluctuation detection tube 20 and is detachably connected to the telescopic smooth rod 22;

[0052] A pressure relief branch pipe 18, one end of which is connected to the main detection pipe 11, and a control valve 19 is installed on the pressure relief branch pipe 18, the control valve 19 being electrically connected to the pressure relief starter 26; and

[0053] The pressure relief protection pipe 6 is connected to the digital protection box 1 and is connected to the other end of the pressure relief branch pipe 18.

[0054] When the current in the control circuit unit 17 changes, the magnitude of the magnetic force of the fine-tuning electromagnet 32 ​​changes. The higher the temperature inside the oil pipeline, the greater the resistance of the thermistor detection box 14, and the smaller the current in the control circuit unit 17. When the current decreases, the magnetic attraction of the fine-tuning electromagnet 32 ​​to the magnetic protrusion 31 also decreases. At this time, under the pull of the magnetic protrusion 31, the sliding block 30 can gradually return to the middle of the adjusting sleeve 33. During the movement of the sliding block 30, the distance fine-tuning frame 25 can move synchronously, thereby pulling the fluctuation frequency detector... The measuring frame 29 moves outward from the frequency meter measuring box 24. At this time, the distance between the pressure counter 28 and the elastic detection rod 27 increases, thus avoiding the influence of high temperature on the expansion of the variable capacity airbag 21, which would reduce the accuracy of detecting the frequency and magnitude of fluctuations in the transported oil in the pipeline. The fluid fluctuation detection tube 20 is equipped with several connecting air holes 23 to ensure pressure balance within the tube. Under normal temperature conditions, when the oil transport in the pipeline is relatively stable, the variable capacity airbag 21 is in a state of slight deformation, and fluctuation detection will not occur. When a large impact occurs, the deformation of the variable-capacity airbag 21 increases, causing the telescopic smooth rod 22 to slide towards the frequency meter measuring box 24. At this time, the elastic detection rod 27 can come into contact with the pressure counter 28. When the two come into contact, the pressure counter 28 has several components, some of which are used to detect the magnitude of the impact force, and others to calculate the number of impacts. This allows for a reasonable prediction of the frequency and magnitude of fluctuations during oil transportation in the pipeline, preventing safety accidents. When the impact force is large, the telescopic smooth rod 22 can come into contact with the pressure relief starter 26. At this time, the control valve 19 can be activated, and the oil in the detection main pipe 11 will be discharged from the pressure relief branch pipe 18 and the pressure relief protection pipe 6 into the external buffer space, preventing the detection equipment from being damaged by further impacts, thus extending the service life of the equipment. At the same time, when the pressure relief protection component is working, it can promptly notify the staff of the pipeline situation, so that the staff can conduct timely investigations, which is conducive to improving the safety of oil transportation. After the inspection is completed, the equipment can be reset to continue the detection and protection work.

[0055] In one embodiment of the present invention, please refer to Figure 1 It also includes: a watertight door 2, which is rotatably connected to the digital protective box 1;

[0056] Observation glass surface 3, which is located on the watertight door 2; and

[0057] Support frame 4, one end of which is connected to the digital protective box 1.

[0058] The watertight door 2 allows for regular maintenance and upkeep of the various devices inside the digital protection box 1. The observation glass 3 allows staff to routinely inspect the pipes inside the digital protection box 1 for oil leaks or damage. The support frame 4 allows the other end of the support frame 4 to be fixed to the pipe or other equipment when the digital protection box 1 is connected to the pipeline via the flange on the fluid detection inlet pipe 5. This reduces the stress on the fluid detection inlet pipe 5 and ensures the sealing of the connection at the end of the fluid detection inlet pipe 5.

[0059] In summary, to measure the temperature and pressure of oil in the pipeline, firstly, a fluid detection inlet pipe 5 is installed. This inlet pipe 5 can be connected to the pipeline via flanges or tees. This divides the oil in the pipeline into two paths: one path continues normal transport, while the other path enters the digital protection box 1 via the fluid detection inlet pipe 5, and then flows into the detection branch pipe 12 and the fluid fluctuation detection pipe 20. Then, the temperature and pressure of the oil are measured by the installed temperature and pressure detection components, and the values ​​are displayed on the digital display 7 for easy recording by personnel. Simultaneously, after the oil enters the fluid fluctuation detection pipe 20, during the oil transport process... When fluctuations occur within the pipeline, the fluctuation detection component can approximate the frequency and magnitude of the fluctuations, allowing staff to monitor the specific conditions of oil transport within the pipeline and implement protective measures accordingly. When the fluctuation impact force is large, the pressure relief protection component can be activated. This protects the detection equipment from impact damage and safeguards the oil transport pipeline, while also alerting staff to take timely action. The system is simple to operate, highly automated, and can monitor fluid pressure fluctuations in real time, enhancing the overall protective capability of the equipment and further preventing safety accidents.

[0060] It should be noted that, in this invention, unless otherwise explicitly specified and limited, the terms "sliding," "rotating," "fixed," and "equipped" should be interpreted broadly. For example, they can refer to welded connections, bolted connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0061] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A digital oilfield wellhead fluid temperature and pressure measurement device, comprising a digital protective box, wherein a fluid detection inlet pipe and a digital display are installed on the digital protective box, characterized in that, Also includes: A detection manifold, located inside the digital protective box, is connected to the fluid detection inlet pipe; The system includes a detection branch pipe and a fluid fluctuation detection pipe, both of which are connected to the main detection pipe and to the inner wall of the digital protective enclosure; and The measuring mechanism is located on the digital protective box and is connected to the detection branch pipe and the fluid fluctuation detection pipe respectively. The measuring mechanism includes a temperature and pressure detection component, a fluctuation detection component and a pressure relief protection component. The temperature and pressure detection components are respectively connected to the digital protection box and the detection branch pipe; the fluctuation detection component is connected to the fluid fluctuation detection pipe and is electrically connected to the temperature and pressure detection components; the pressure relief protection component is connected to the digital protection box and the detection main pipe and is electrically connected to the fluctuation detection component. The fluctuation detection component includes a variable volume airbag and a frequency meter box, both of which are located inside the fluid fluctuation detection tube. A telescopic smooth rod, one end of which is connected to the variable-capacity airbag, and the other end of which passes through the frequency meter box and is slidably connected to the frequency meter box. The telescopic smooth rod is also detachably connected to the pressure relief protection assembly. A frequency measurement module, which is connected to the fluid fluctuation detection tube and the telescopic smooth rod respectively; The frequency measurement module includes: a fluctuation frequency detection frame, which passes through the frequency measurement box and is slidably connected to the frequency measurement box; A spacing control system is located inside the fluid fluctuation detection tube and is connected to the fluctuation frequency detection frame and the temperature and pressure detection assembly, respectively. The spacing control system includes: an adjustment sleeve, which is located inside the fluid fluctuation detection tube, and a waist groove is provided on the side wall of the adjustment sleeve; A sliding block is slidably installed in the adjusting sleeve body, and the two sides of the sliding block are connected to the inner wall of the adjusting sleeve body through magnetic protrusions; A distance fine-tuning frame, wherein the distance fine-tuning frame passes through the waist groove and is connected to the sliding block, and is slidably connected to the waist groove, and the distance fine-tuning frame is also connected to the fluctuation frequency detection frame; A fine-tuning electromagnet, located within the adjusting sleeve and electrically connected to the temperature and pressure detection assembly; and A magnetic protrusion is located on the sliding block and is also magnetically connected to the fine-tuning electromagnet.

2. The digital oilfield wellhead fluid temperature and pressure measuring device according to claim 1, characterized in that, The temperature and pressure detection component includes: Temperature detectors and pressure detectors, both of which are connected to the digital protective box and the detection branch pipe; An observation board, which is located on the digital protective box; A plurality of temperature display lights are evenly distributed on the observation panel; and A conversion module is located on the digital protection box and is connected to the detection branch and the fluctuation detection component.

3. The digital oilfield wellhead fluid temperature and pressure measuring device according to claim 2, characterized in that, The conversion module includes: A thermistor detection box, wherein the thermistor detection box is located on the detection branch pipe; A controller, connected to the observation board and via a cable conduit to the thermistor detection box, the cable conduit passing through the digital protective box, and the controller also electrically connected to the plurality of temperature display lamps; and The control circuit unit is located inside the digital protection box and is connected to the thermistor detection box and the fluctuation detection component, respectively.

4. The digital oilfield wellhead fluid temperature and pressure measuring device according to claim 1, characterized in that, The frequency measurement module also includes: The elastic detection rods are of several kinds, and the elastic detection rods are evenly distributed circumferentially on the telescopic smooth rod, and the elastic detection rods are located inside the frequency meter box; A pressure counter is located on the fluctuation frequency detection frame and is detachably connected to the elastic detection rod.

5. The digital oilfield wellhead fluid temperature and pressure measuring device according to claim 4, characterized in that, The pressure relief protection component includes: A pressure relief starter, which is located inside the fluid fluctuation detection tube and is detachably connected to the telescopic smooth rod; A pressure relief branch pipe, one end of which is connected to the main detection pipe, and a control valve is installed on the pressure relief branch pipe, the control valve being electrically connected to the pressure relief starter; and The pressure relief protection pipe is connected to the digital protection box and is connected to the other end of the pressure relief branch pipe.

6. The digital oilfield wellhead fluid temperature and pressure measuring device according to claim 1 or 5, characterized in that, Also includes: A watertight door, which is rotatably connected to the digital protective box; An observation glass surface is located on the watertight door; as well as A support frame, one end of which is connected to the digital protective box.

Images