Oil and gas field automatic well selection and flow measurement integrated device

Abstract

The invention discloses an integrated device for automatic well selection and flow measurement of an oil and gas field, and relates to the technical field of oil and gas field well metering equipment, and the integrated device comprises an eddy current rectifier which selects a proper measurement mode according to the flow state and fluid components under the cooperation of a multi-section dynamic flow velocity detection assembly, and effectively measures the flow of oil and gas fields in the well selection and measurement of different quantities of oil and gas fields. The problem that the measurement accuracy cannot meet the existing requirements due to different operation requirements is solved, it is guaranteed that the measurement well selection efficiency is optimal, meanwhile, emitted ultrasonic signals are dynamically detected according to the ultrasonic receiving reflection detection sensor, and according to reflection angle signals of the ultrasonic receiving reflection detection sensor, the well selection efficiency is improved. The feedback enables the motor rotating seat to drive the receiving reflection arc plate to rotate, detection at different angles is achieved, when the electromagnetic induction sensor conducts measurement, the sliding array type electrode set slides in the annular synchronous guide rail belt, and the magnetic induction intensity and precision of the electromagnetic induction sensor during detection work are improved.

Description

Technical Field

[0001] The invention relates to the technical field of oil and gas field well metering equipment, in particular to an integrated device for automatic well selection and flow measurement in oil and gas fields. Background Art

[0002] The metering stations currently in use in oil fields mainly adopt a construction model that combines multi-way valves or well selection manifolds with metering devices; the metering mainly adopts volumetric metering. In recent years, some oil fields have used mass flow meters to measure the wellhead produced fluid.

[0003] However, in the prior art, during the process of selecting wells in oil and gas fields and measuring flow rates, in conventional use, due to the presence of different flow states (such as single-phase flow, multiphase flow) and fluid components (such as oil, gas, and water) in oil and gas field wells, different operation requirements are caused in the well selection and measurement methods of oil and gas field wells with different quantities, resulting in a single measurement method being difficult to adapt to all situations, and general sensors are prone to reduced accuracy or failure in extreme environments, resulting in the inability to ensure that the measurement well selection efficiency reaches the best during the measurement process. Therefore, it is necessary to propose an integrated device for automatic well selection and flow measurement in oil and gas fields. Summary of the invention

[0004] The purpose of the present invention is to provide an integrated device for automatic well selection and flow measurement in oil and gas fields, so as to solve the problem proposed in the above background technology that in the process of well selection and flow measurement in oil and gas fields, due to the presence of different flow states (such as single-phase flow, multi-phase flow) and fluid components (such as oil, gas, water) in oil and gas field wells, different operation requirements are caused in the well selection and measurement methods of different amounts of oil and gas fields, resulting in a single measurement method being difficult to adapt to all situations, and general sensors are prone to reduced accuracy or failure in extreme environments, resulting in the inability to ensure that the measurement well selection efficiency reaches the best during the measurement process.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: an integrated device for automatic well selection and flow measurement in oil and gas fields, comprising an eddy current rectifier, which is installed at the top port of a guide control pipe and is used to reduce vortices and eddies generated by oilfield gas at different flow rates, thereby reducing inaccuracy in flow detection; The guide conveyor is installed inside the eddy current rectifier and is used to convey the fluid straightened after the eddy current rectifier is operated and guide it to the inside of the guide control pipe; A multi-stage dynamic flow rate detection component is fastened to the inner wall surface of the guide control tube through a ring protective sleeve, and is used to judge the flow state and fluid composition in real time when different flow rates are generated, and switch the appropriate measurement operation, so as to be able to effectively perform adaptive measurement of different flow states and fluid compositions; The measuring adaptive control component is installed at the bottom of the guide conveyor through a bearing connector. It is used to dynamically adjust the opening of the guide control pipe and the operating parameters of the external oilfield gas transmission pump station according to real-time data, dynamically ensuring that the flow and pressure are in real-time stability and accuracy.

[0006] Preferably, the multi-stage dynamic flow rate detection component includes: A control motor, a rotating gear, an external rotating gear ring and a connecting frame, wherein the control motor is fastened to the inner wall surface of the guide control tube through a hoop frame, the rotating gear and the external rotating gear ring are located inside the ring protective sleeve, the control motor drives the meshed external rotating gear ring to rotate through the rotating gear, the connecting frame is fastened to the inside of the external rotating gear ring through a connecting block and forms a symmetrical arrangement, the top ends of the connecting frames are symmetrically fastened to slotted frames, the top side of the slotted frame is installed with a driving motor, the output end of the driving motor is connected to a worm, and the side end of the worm is meshed with a worm wheel.

[0007] Preferably, the center end of the worm wheel is connected to a synchronous turntable through a connecting column that passes through the surface of a connecting frame. The synchronous turntable is arranged in two groups. A multi-channel ultrasonic detection sensor is arranged on the surface of one group of synchronous turntables, and an electromagnetic induction sensor is installed on the surface of the other group of synchronous turntables. A receiver is installed on the side end of the multi-channel ultrasonic detection sensor. The side end of the surface of the synchronous turntable is fastened with a vertical rod, and the bottom end of the vertical rod is fastened with an annular guide rail.

[0008] Preferably, the annular guide rail is internally slidably connected with a position positioning moving block, an ultrasonic receiving reflection detection sensor is embedded in the position positioning moving block, a motor rotating seat is installed on the side end of the position positioning moving block, and the side end of the motor rotating seat is rotatably connected with a receiving reflection arc plate.

[0009] Preferably, a response control valve is installed on the bottom wall surface of the connecting frame, and the response control valve is connected to the multi-channel ultrasonic detection sensor and the electromagnetic induction sensor in sequence to form an electromagnetic signal connection, and the side end of the response control valve is connected with a receiving control circuit.

[0010] Preferably, the measurement adaptive control component includes: A feedback transmission line, a detection ring tube, a processing PID controller, a flow detector and a pressure detector, the top of the side ends of the flow detector and the pressure detector are connected with a gas detector, the top of the gas detector is connected to a stator-rotor structure, the top of the stator-rotor structure and the bottom wall of the guide conveyor form a rotating stator-rotor rotation connection, the feedback transmission line and the receiving control line form a line connection through a filter, the detection ring tube and the flow detector and the pressure detector are connected, and the processing PID controller and the response control valve form an electromagnetic signal connection.

[0011] Preferably, the side end surface of the connecting frame is fastened with a connecting L-fold rod, the bottom of the connecting L-fold rod is integrally connected with a connecting rod, the bottom end of the connecting rod is fastened with a sliding array type electrode group, an annular synchronous guide belt is installed on the inner wall surface of the guide control tube, and the sliding array type electrode group is located in an internal sliding connection of the annular synchronous guide belt.

[0012] Preferably, a pneumatic control transmission structure is installed at the side end of the guide control tube, and the pneumatic control transmission structure consists of a pneumatic guide rod, a double-section conduction arm section and a connecting bearing component. The side end of the connecting bearing component passes through the guide control tube and is connected to a control flow valve plate.

[0013] Preferably, the side wall surfaces of the guide control tube and the eddy current rectifier are both fastened with a connecting guide frame, and the side ends of the connecting guide frame are respectively connected to the first stator and rotor bearing components and the second stator and rotor bearing components, and the side ends of the first stator and rotor bearing components are connected to a synchronous pulley structure through a synchronous wheel, and the side ends of the synchronous pulley structure are respectively fastened with a connecting position detection seat and a hanger.

[0014] Preferably, the top end of the hanger is sleeved with a high-strength lifting rope, the top of the high-strength lifting rope is wrapped around and connected to a driving lifting rope structure, the top of the driving lifting rope structure is fastened to a mounting frame, and the side end of the mounting frame is fastened to a shock-proof and buffer mounting frame.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, by cooperating with a multi-stage dynamic flow velocity detection component, before the oilfield gas enters the guide control tube, it first passes through the vortex rectifier, and uses the rectifier blades in the vortex rectifier to change the flow direction of the fluid, reduce turbulence and vortex, and make the entering fluid more stable. Then, the rectified fluid smoothly enters the interior of the guide control tube through the guide conveyor, and the instantaneous oil and gas fluid operation is generated. After that, the control motor is started and drives the rotating gear to rotate. Through the meshing connection between the rotating gear and the outer rotating gear ring, the outer rotating gear ring is driven to rotate synchronously, so that the rotation of the outer rotating gear ring drives the connecting frame and the bearing thereof. The relevant structure is located outside the outer rotating gear ring and rotates synchronously, and then the driving motor is started, and the synchronous turntable is driven to rotate through the engagement of the worm and the worm wheel. During the rotation operation of the synchronous turntable, the multi-channel ultrasonic detection sensor and the electromagnetic induction sensor work alternately, and then the appropriate measurement mode is selected according to the flow state and fluid composition. It is effective in well selection and measurement of oil and gas field wells with different quantities, reducing the problem that a single measurement method is difficult to adapt to all situations due to different operation requirements, ensuring the best measurement accuracy and well selection efficiency, and forming an integrated setting as a whole to improve overall performance and reliability.

[0016] 2. In the present invention, with the cooperation of a multi-stage dynamic flow rate detection component, when the fluid transported by the flow guide conveyor forms a low-flow rate, single-phase flow and enters the interior of the guide control tube, the multi-channel ultrasonic detection sensor emits an ultrasonic signal. During the ultrasonic signal detection process, the position positioning moving block slides on the annular guide rail, and the ultrasonic receiving reflection detection sensor dynamically detects the emitted ultrasonic signal, and according to the reflected angle signal, the motor rotating seat drives the receiving reflection arc plate to rotate to achieve detection at different angles. After that, the receiver is used to receive the multi-stage reflected ultrasonic signal, and the flow rate is calculated by the ultrasonic time difference method, thereby improving the detection of low flow rate and single-phase flow. The measurement accuracy is improved, and when the fluid transported by the guide conveyor forms a high-flow rate, multi-phase flow and enters the interior of the guide control tube, the electromagnetic induction sensor calculates the flow rate by measuring the electromotive force generated by the fluid cutting the magnetic flux lines after the rotation adjustment of the above-mentioned control motor, the rotating teeth and the external rotating gear ring and other related structures. The sliding array electrode group slides inside the annular synchronous guide belt to detect the electrical conductivity of the fluid in real time, assist in judging the fluid composition, and effectively improve the magnetic induction intensity and accuracy of the electromagnetic induction sensor during the detection operation. Under the cooperation of the connecting L-folding rod and the connecting rod, the connecting L-folding rod is synchronously adjusted according to the rotation of the external rotating gear ring, and the overall accuracy in dynamic adjustment detection is further improved.

[0017] 3. In the present invention, with the cooperation of the measurement adaptive control component, the flow rate, flow state and fluid composition data collected by the multi-channel ultrasonic detection sensor and the electromagnetic induction sensor in real time are transmitted to the feedback transmission line through the receiving control line, and filtered through the filter to ensure the stability and accuracy of the data, and then transmitted to the processing PID controller for analysis and processing. At the same time, the pressure detector is used to measure the pressure of the fluid in real time, and the data is transmitted to the processing PID controller through the detection ring pipe. The gas detector is used to detect the gas composition in the fluid in real time to assist in judging the flow state. The data is transmitted to the processing PID controller through the detection ring pipe. The processing PID controller receives the data from the multi-stage dynamic flow rate detection component. , flow detector, pressure detector and gas detector real-time data, and then judge the current flow state such as low flow rate, single-phase flow or high flow rate, multi-phase flow according to the processed data, so as to form a processing PID controller according to the real-time data, and send control instructions to the response control valve through the electromagnetic signal connection. The response control valve dynamically adjusts the opening of the guide control pipe and the external oilfield gas transmission pump station according to the control instruction, adjusts the operating parameters of the pump station, and ensures the stability and accuracy of the flow rate. Among them, the rotation of the stator and rotor structure is realized through the coordinated work of the above-mentioned control motor and the drive motor, ensuring that the gas detector can maintain the position unchanged for detection when the multi-segment dynamic flow rate detection component forms dynamic adjustment, thereby improving the detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main structure of an integrated device for automatic well selection and flow measurement in an oil and gas field according to the present invention; Figure 2 The invention is an integrated device for automatic well selection and flow measurement in oil and gas fields Figure 1 A schematic diagram of the enlarged structure at A in the middle; Figure 3 It is a schematic diagram of the internal cross-sectional structure of an eddy current rectifier and a guide control in an integrated device for automatic well selection and flow measurement in an oil and gas field according to the present invention; Figure 4 This is a schematic diagram of the installation position structure of a flow guide conveyor in an integrated device for automatic well selection and flow measurement in an oil and gas field according to the present invention; Figure 5 It is a partial structural schematic diagram of a multi-stage dynamic flow velocity detection component in an integrated device for automatic well selection and flow measurement in an oil and gas field according to the present invention; Figure 6 It is another structural schematic diagram of a multi-stage dynamic flow velocity detection component in an integrated device for automatic well selection and flow measurement in an oil and gas field according to the present invention; Figure 7 This is a schematic diagram of the installation position structure of an electromagnetic induction sensor in an integrated device for automatic well selection and flow measurement in an oil and gas field according to the present invention; Figure 8 The invention is an integrated device for automatic well selection and flow measurement in oil and gas fields Figure 7 A schematic diagram of the enlarged structure at C; Fig. 9 The invention is an integrated device for automatic well selection and flow measurement in oil and gas fields Figure 3 Schematic diagram of the enlarged structure at B.

[0019] In the figure: 1, mounting frame; 2, mounting shockproof buffer frame; 3, driving lifting rope structure; 4, lifting high-strength rope; 5, eddy current rectifier; 6, pneumatic control transmission structure; 7, guide control tube; 8, hanging piece; 9, connection position detection seat; 10, synchronous pulley structure; 11, second stator and rotor bearing member; 12, first stator and rotor bearing member; 13, flow control valve plate; 14, flow guide conveyor; 15, multi-stage dynamic flow rate detection component; 150, control motor; 151, rotating gear; 152, external gear ring; 153, connecting frame; 154, driving motor; 155, worm; 156, worm wheel; 157, synchronous turntable; 158, multi Channel ultrasonic detection sensor; 159, receiver; 1590, vertical rod; 1591, annular guide rail; 1592, position positioning moving block; 1593, receiving reflection arc plate; 1594, response control valve; 1595, receiving control circuit; 16, ring protection sleeve; 17, annular synchronous guide belt; 18, connecting L folding rod; 19, measurement adaptive control component; 190, feedback transmission line; 191, detection ring pipe; 192, processing PID controller; 193, flow detector; 194, gas detector; 195, pressure detector; 20, electromagnetic induction sensor; 21, connecting rod; 22, sliding array electrode group. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] In the present invention, reference is made to Figure 1 - Fig. 9 As shown: An integrated device for automatic well selection and flow measurement in oil and gas fields, including: The eddy current rectifier 5 is installed at the top port of the guide control tube 7 to reduce the vortex and eddy current generated by the oilfield gas at different flow rates, thereby reducing the inaccuracy of flow detection; The guide conveyor 14 is installed inside the vortex rectifier 5 and is used to convey the fluid straightened after the vortex rectifier 5 is operated, and guide it to the inside of the guide control pipe 7; A multi-stage dynamic flow rate detection assembly 15, which is fastened to the inner wall surface of the guide control tube 7 through a ring protection sleeve 16, is used to judge the flow state and fluid composition in real time when different flow rates are generated, and switch the appropriate measurement operation, so as to be able to effectively perform adaptive measurement of different flow states and fluid compositions; The measuring adaptive control component 19 is installed at the bottom of the guide conveyor 14 through a bearing connector, and is used to dynamically adjust the opening of the guide control pipe 7 and the operating parameters of the external oilfield gas transmission pump station according to real-time data, dynamically ensuring that the flow and pressure are in real-time stability and accuracy.

[0022] In the present invention, according to Figure 3 - Figure 6 As shown, the multi-stage dynamic flow rate detection component 15 includes: The control motor 150, the rotating gear 151, the external rotating gear ring 152 and the connecting frame 153, the control motor 150 is fastened to the inner wall surface of the guide control tube 7 through a hoop frame, the rotating gear 151 and the external rotating gear ring 152 are located inside the ring protection sleeve 16, the control motor 150 drives the meshing connected external rotating gear ring 152 to rotate through the rotating gear 151, the connecting frame 153 is fastened to the inside of the external rotating gear ring 152 through a connecting block and forms a symmetrical arrangement, the top ends of the symmetrical connecting frames 153 are fastened to slotted frames, the top side of the slotted frames is installed with a driving motor 154, the output end of the driving motor 154 is connected to a worm 155, and the side end of the worm 155 is meshed with a worm wheel 156.

[0023] The center end of the worm gear 156 is connected to a synchronous turntable 157 through a connecting column and passes through the surface of the connecting frame 153. The synchronous turntable 157 is arranged in two groups. A multi-channel ultrasonic detection sensor 158 is arranged on the surface of one group of synchronous turntables 157, and an electromagnetic induction sensor 20 is installed on the surface of the other group of synchronous turntables 157. A receiver 159 is installed on the side end of the multi-channel ultrasonic detection sensor 158. The side end of the surface of the synchronous turntable 157 is fastened with a vertical rod 1590, and the bottom end of the vertical rod 1590 is fastened with an annular guide rail 1591.

[0024] The annular guide rail 1591 is internally slidably connected to a positioning moving block 1592, and an ultrasonic receiving reflection detection sensor is embedded in the position positioning moving block 1592. A motor rotating seat is installed on the side end of the position positioning moving block 1592, and a receiving reflection arc plate 1593 is rotatably connected to the side end of the motor rotating seat.

[0025] A response control valve 1594 is installed on the bottom wall surface of the connecting frame 153. The response control valve 1594 is connected to the multi-channel ultrasonic detection sensor 158 and the electromagnetic induction sensor 20 in sequence to form an electromagnetic signal connection. The side end of the response control valve 1594 is connected to a receiving control line 1595.

[0026] In a specific solution, before the oilfield gas enters the guide control pipe 7, it first passes through the vortex rectifier 5, and the rectifier blades in the vortex rectifier 5 are used to change the flow direction of the fluid, reduce turbulence and vortex, and make the entering fluid more stable. Then, the rectified fluid smoothly enters the interior of the guide control pipe 7 through the guide conveyor 14, and the instantaneous oil and gas fluid operation is generated. After that, the control motor 150 is started and drives the rotating gear 151 to rotate. Through the meshing connection between the rotating gear 151 and the outer rotating gear ring 152, the outer rotating gear ring 152 is driven. The gear ring 152 rotates synchronously, so that the rotation of the outer gear ring 152 drives the connecting frame 153 and the related structures it carries located outside the outer gear ring 152 to rotate synchronously, and then the driving motor 154 is started, and through the engagement of the worm 155 and the worm wheel 156, the synchronous turntable 157 is driven to rotate. During the rotation operation of the synchronous turntable 157, the multi-channel ultrasonic detection sensor 158 and the electromagnetic induction sensor 20 work alternately, and then the appropriate measurement mode is selected according to the flow state and fluid composition, which is effective.

[0027] In measurement mode one: when the fluid transported by the guide conveyor 14 forms a low-flow rate, single-phase flow and enters the interior of the guide control tube 7, the multi-channel ultrasonic detection sensor 158 emits an ultrasonic signal. During the ultrasonic signal detection process, the positioning moving block 1592 slides on the annular guide rail 1591, and the ultrasonic receiving reflection detection sensor dynamically detects the emitted ultrasonic signal, and based on the reflected angle signal, feedback is provided to enable the motor rotating seat to drive the receiving reflection arc plate 1593 to rotate, thereby realizing detection at different angles. After that, the receiver 159 is used to receive multiple segments of reflected ultrasonic signals, and the flow rate is calculated by the ultrasonic time difference method, thereby improving the measurement accuracy of low-flow rate, single-phase flow.

[0028] In measurement mode two: when the fluid transported by the guide conveyor 14 forms a high-flow rate, multiphase flow and enters the interior of the guide control tube 7, the electromagnetic induction sensor 20 calculates the flow rate by measuring the electromotive force generated by the fluid cutting the magnetic flux lines after the rotation adjustment of the above-mentioned control motor 150, the rotating teeth 151 and the external rotating gear ring 152 and other related structures, and collects the data of measurement mode one and measurement mode two synchronously with the data acquisition device.

[0029] After measuring mode one and measuring mode two, the data of the multi-channel ultrasonic detection sensor 158 and the electromagnetic induction sensor 20 are collected in real time, and the collected data are processed by signal processing and an external filter to improve the accuracy and reliability of the data. According to the measured data, the current flow state is judged, such as low flow rate, single-phase flow or high flow rate, multi-phase flow, and the appropriate measurement mode is automatically switched according to the judged flow state to form the above-mentioned operating mode such as measurement mode one and measurement mode two, and the real-time data is transmitted to the response control valve 1594, so that the response control valve 1594 dynamically adjusts the opening of the guide control pipe 7 and the operating parameters of the external oilfield gas transmission pump station according to the real-time data, and adjusts the opening of the control flow valve plate 13 inside the guide control pipe 7 through the pneumatic control transmission structure 6. Secondly, the operating parameters of the external oilfield gas transmission pump station are adjusted in cooperation with the external pump station controller and the processing PID controller 192 to ensure the stability and accuracy of the pressure at the same time according to the processed data.

[0030] In the present invention, according to Figure 3 , Figure 7 and Figure 8 As shown, the measurement adaptive control component 19 includes: Feedback transmission line 190, detection ring tube 191, processing PID controller 192, flow detector 193 and pressure detector 195, the side top of the flow detector 193 and the pressure detector 195 are connected with a gas detector 194, the top of the gas detector 194 is connected with a stator-rotor structure, the top of the stator-rotor structure and the bottom wall of the guide conveyor 14 form a rotating stator-rotor rotation connection, the feedback transmission line 190 and the receiving control line 1595 form a line connection through a filter, the detection ring tube 191 and the flow detector 193, the pressure detector 195 are connected, the processing PID controller 192 and the response control valve 1594 form an electromagnetic signal connection.

[0031] In a specific solution, the flow rate, flow state and fluid composition data collected in real time by the multi-channel ultrasonic detection sensor 158 and the electromagnetic induction sensor 20 are transmitted to the feedback transmission line 190 through the receiving control line 1595, and filtered through the filter to ensure the stability and accuracy of the data, and then transmitted to the processing PID controller 192 for analysis and processing. At the same time, the pressure of the fluid is measured in real time by the pressure detector 195, and the data is transmitted to the processing PID controller 192 through the detection ring tube 191. The gas detector 194 is used to detect the gas composition in the fluid in real time to assist in judging the flow state. The data is transmitted to the processing PID controller 192 through the detection ring tube 191. The processing PID controller 192 receives the data from the multi-segment dynamic flow rate detection component 15, flow The real-time data of the detector 193, the pressure detector 195 and the gas detector 194 are used to judge the current flow state such as low flow rate, single-phase flow or high flow rate, multi-phase flow according to the processed data, thereby forming a processing PID controller 192. According to the real-time data, the control command is sent to the response control valve 1594 through an electromagnetic signal connection. The response control valve 1594 dynamically adjusts the opening of the guide control pipe 7 and the external oilfield gas transmission pump station according to the control command, adjusts the operating parameters of the pump station, and ensures the stability and accuracy of the flow rate. Among them, the rotation of the stator and rotor structure is realized through the coordinated work of the above-mentioned control motor 150 and the drive motor 154, ensuring that the gas detector 194 can maintain its position unchanged for detection when the multi-segment dynamic flow rate detection component 15 forms dynamic adjustment, thereby improving the detection accuracy.

[0032] In the present invention, according to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Fig. 9 As shown, the side end surface of the connecting frame 153 is fastened with a connecting L-fold rod 18, the bottom of the connecting L-fold rod 18 is integrally connected with a connecting rod 21, the bottom end of the connecting rod 21 is fastened with a sliding array type electrode group 22, and an annular synchronous guide belt 17 is installed on the inner wall surface of the guide control tube 7, and the sliding array type electrode group 22 is located inside the annular synchronous guide belt 17 and is slidably connected.

[0033] A pneumatic control transmission structure 6 is installed at the side end of the guide control tube 7. The pneumatic control transmission structure 6 consists of a pneumatic guide rod, a double-section conduction arm section and a connecting bearing component. The side end of the connecting bearing component passes through the guide control tube 7 and is connected to a control flow valve plate 13.

[0034] The side wall surfaces of the guide control tube 7 and the eddy current rectifier 5 are both fastened with a connecting guide frame, and the side ends of the connecting guide frame are respectively connected to the first stator and rotor bearing component 12 and the second stator and rotor bearing component 11. The side ends of the first stator and rotor bearing component 12 and the second stator and rotor bearing component 11 are both connected to a synchronous pulley structure 10 through a synchronous wheel, and the side ends of the synchronous pulley structure 10 are respectively fastened with a connecting position detection seat 9 and a hanger 8.

[0035] The top end of the hanger 8 is sleeved with a high-strength lifting rope 4, the top of the high-strength lifting rope 4 is wrapped around and connected with a driving lifting rope structure 3, the top of the driving lifting rope structure 3 is fastened to a mounting frame 1, and the side end of the mounting frame 1 is fastened to a shock-proof buffer mounting frame 2.

[0036] In a specific solution, when the above-mentioned mode 2 is operated, the sliding array electrode group 22 slides inside the annular synchronous guide belt 17 to detect the conductivity of the fluid in real time, assist in judging the fluid composition, and effectively improve the magnetic induction intensity and accuracy of the electromagnetic induction sensor 20 when performing the detection operation. Under the cooperation of the connecting L-folding rod 18 and the connecting rod 21, the connecting L-folding rod 18 is synchronously adjusted according to the rotation of the outer rotating gear ring 152, wherein the pneumatic control transmission structure 6 processes the control instructions of the PID controller 192, and the pneumatic guide rod pushes the double-section conduction arm section to adjust the opening of the control flow valve plate 13, and the first stator and rotor bearing components 12 and the second stator and rotor bearing components 11 are connected to the synchronous pulley structure 10 through the synchronous wheel, and the connection position detection seat 9 detects The positions of the synchronous pulley structure 10 and the hanger 8 are measured to ensure their accurate operation. The synchronous pulley structure 10 is used to drive the first stator-rotor bearing 12 and the second stator-rotor bearing 11 to form rotation adjustment, thereby adjusting the eddy current rectifier 5 and the guide control tube 7, so as to effectively adjust the flow direction of the oilfield gas flow so that the whole can operate horizontally and better transport and adjust the oilfield gas flow. The lifting rope structure 3 is driven to drive the lifting and lowering movement of the high-strength lifting rope 4, and the lifting and lowering high-strength rope 4 is connected by the hanger 8 to realize the lifting and lowering movement of the whole device, ensuring the measurement of the device at different heights. With the cooperation of the mounting frame 1 and the mounting anti-vibration buffer fixed frame 2, the mounting foundation of the whole device is provided to provide anti-vibration buffering to ensure the stability and reliability of the whole device.

[0037] The wiring diagram of the eddy current rectifier 5, the connection position detection seat 9, the guide conveyor 14, the control motor 150, the multi-channel ultrasonic detection sensor 158, the position positioning moving block 1592, the processing PID controller 192, the flow detector 193, the gas detector 194, the pressure detector 195, the electromagnetic induction sensor 20 and the ultrasonic receiving reflection detection sensor in the present invention belongs to the common knowledge in the field, and its working principle is a well-known technology. The model is selected according to the actual use. Therefore, the control method and wiring arrangement of the eddy current rectifier 5, the connection position detection seat 9, the guide conveyor 14, the control motor 150, the multi-channel ultrasonic detection sensor 158, the position positioning moving block 1592, the processing PID controller 192, the flow detector 193, the gas detector 194, the pressure detector 195, the electromagnetic induction sensor 20 and the ultrasonic receiving reflection detection sensor are no longer explained in detail.

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An integrated device for automatic well selection and flow measurement in oil and gas fields, characterized in that: Included are: An eddy current rectifier (5) is installed at the top port of the guide control tube (7) to reduce vortices and eddies generated by the oilfield gas at different flow rates, thereby reducing the inaccuracy of flow detection; A flow guide conveyor (14) installed inside the eddy current rectifier (5) and used to convey the fluid straightened after the eddy current rectifier (5) is operated, and guide the fluid to the inside of the guide control pipe (7); A multi-stage dynamic flow rate detection component (15) is fastened to the inner wall surface of the guide control tube (7) via a ring protection sleeve (16), and is used to judge the flow state and fluid composition in real time when different flow rates are generated, and switch between different modes of measurement operations, so as to be able to effectively perform adaptive measurement of different flow states and fluid compositions; The measuring adaptive control component (19) is installed at the bottom of the guide conveyor (14) through a bearing connecting piece, and is used to dynamically adjust the opening of the guide control pipe (7) and the operating parameters of the external oilfield gas transmission pump station according to real-time data, so as to dynamically ensure that the flow rate and pressure are stable and accurate in real time.

2. The integrated device for automatic well selection and flow measurement in oil and gas fields according to claim 1 is characterized in that: The multi-stage dynamic flow rate detection component (15) comprises: A control motor (150), a rotating gear (151), an externally rotating gear ring (152) and a connecting frame (153); the control motor (150) is fastened to the inner wall surface of the guide control tube (7) via a hoop frame; the rotating gear (151) and the externally rotating gear ring (152) are located inside a ring protection sleeve (16); the control motor (150) drives the meshed externally rotating gear ring (152) to rotate via the rotating gear (151); the connecting frame (153) is fastened to the inside of the externally rotating gear ring (152) via a connecting block and is symmetrically arranged; the top ends of the connecting frames (153) are fastened to slotted frames; a driving motor (154) is installed on the side of the top end of the slotted frame; a worm (155) is connected to the output end of the driving motor (154); and a worm wheel (156) is meshedly connected to the side end of the worm (155).

3. The integrated device for automatic well selection and flow measurement in oil and gas fields according to claim 2 is characterized in that: The central end of the worm wheel (156) is connected to a synchronous rotating disk (157) through a connecting column penetrating the surface of the connecting frame (153). The synchronous rotating disk (157) is arranged in two groups. A multi-channel ultrasonic detection sensor (158) is arranged on the surface of one group of synchronous rotating disks (157), and an electromagnetic induction sensor (20) is installed on the surface of the other group of synchronous rotating disks (157). A receiver (159) is installed on the side end of the multi-channel ultrasonic detection sensor (158). The side end of the surface of the synchronous rotating disk (157) is fastened with a vertical rod (1590), and the bottom end of the vertical rod (1590) is fastened with an annular guide rail (1591).

4. The integrated device for automatic well selection and flow measurement in oil and gas fields according to claim 3 is characterized in that: The annular guide rail member (1591) is internally slidably connected to a position positioning movable block (1592), an ultrasonic receiving reflection detection sensor is embedded in the position positioning movable block (1592), a motor rotating seat is installed on the side end of the position positioning movable block (1592), and a receiving reflection arc plate (1593) is rotatably connected to the side end of the motor rotating seat.

5. The integrated device for automatic well selection and flow measurement in oil and gas fields according to claim 4 is characterized in that: A response control valve (1594) is installed on the bottom wall surface of the connection frame (153), and the response control valve (1594) is connected to the multi-channel ultrasonic detection sensor (158) and the electromagnetic induction sensor (20) in sequence to form an electromagnetic signal connection, and the side end of the response control valve (1594) is connected to a receiving control circuit (1595).

6. The integrated device for automatic well selection and flow measurement in oil and gas fields according to claim 1 is characterized in that: The measurement adaptive control component (19) comprises: A feedback transmission line (190), a detection ring tube (191), a processing PID controller (192), a flow detector (193) and a pressure detector (195); the top of the side ends of the flow detector (193) and the pressure detector (195) are connected to a gas detector (194); the top of the gas detector (194) is connected to a stator-rotor structure; the top of the stator-rotor structure and the bottom wall of the flow guide conveyor (14) form a rotating stator-rotor rotation connection; the feedback transmission line (190) and the receiving control line (1595) form a line connection through a filter; the detection ring tube (191) and the flow detector (193) and the pressure detector (195) are connected; and the processing PID controller (192) and the response control valve (1594) form an electromagnetic signal connection.

7. The integrated device for automatic well selection and flow measurement in oil and gas fields according to claim 2 is characterized in that: The side end surface of the connecting frame (153) is fastened with a connecting L-shaped folding rod (18), the bottom of the connecting L-shaped folding rod (18) is integrally connected with a connecting rod (21), the bottom end of the connecting rod (21) is fastened with a sliding array type electrode group (22), an annular synchronous guide belt (17) is installed on the inner wall surface of the guide control tube (7), and the sliding array type electrode group (22) is located inside the annular synchronous guide belt (17) and is slidably connected.

8. The integrated device for automatic well selection and flow measurement in oil and gas fields according to claim 1 is characterized in that: A pneumatic control transmission structure (6) is installed at the side end of the guide control tube (7), and the pneumatic control transmission structure (6) is composed of a pneumatic guide rod, a double-section transmission arm section and a connecting bearing member, and the side end of the connecting bearing member passes through the guide control tube (7) and is connected to a flow control valve plate (13).

9. The integrated device for automatic well selection and flow measurement in oil and gas fields according to claim 1, characterized in that: The side wall surfaces of the guide control tube (7) and the eddy current rectifier (5) are both fastened to a connecting guide frame, the side ends of the connecting guide frame are respectively connected to a first stator-rotor bearing component (12) and a second stator-rotor bearing component (11), the side ends of the first stator-rotor bearing component (12) and the second stator-rotor bearing component (11) are both connected to a synchronous pulley structure (10) via a synchronous wheel, and the side ends of the synchronous pulley structure (10) are respectively fastened to a connecting position detection seat (9) and a hanging component (8).

10. The integrated device for automatic well selection and flow measurement in oil and gas fields according to claim 9, characterized in that: The top end of the hanging member (8) is sleeved with a lifting high-strength rope (4), the top of the lifting high-strength rope (4) is wound around and connected to a driving lifting rope structure (3), the top of the driving lifting rope structure (3) is fastened to a mounting frame (1), and the side end of the mounting frame (1) is fastened to a mounting anti-vibration buffer fixed frame (2).

Images