Intelligent oil well metering and ball launching integrated device

Abstract

The utility model belongs to the field of petroleum engineering technology, concretely relates to an oil well intelligent metering and ball launching integrated device. The device comprises a valve group well selection control unit, a crude oil non-separation three-phase metering unit, a microwave water content analyzer, an intelligent pig launching device, a control cabinet and a pry seat. The valve group well selection control unit automatically selects single well liquid, the metering unit combines the microwave water content analyzer to accurately collect oil, water and gas content, temperature and pressure parameters, the pig launching device realizes wax removal ball synchronous ball catching and launching and monitoring, the control cabinet completes remote monitoring through a remote terminal unit, and all components are integrated in the 2.8m*3.8m pry seat. The device improves metering automation and precision, solves pipeline wax deposition, reduces land occupation and pollution, and is reliable in operation.

Description

Technical Field

[0001] This utility model belongs to the field of petroleum engineering technology, specifically relating to an integrated intelligent metering and ball-launching device for oil wells. Background Technology

[0002] Against the backdrop of rapid development in oil extraction and gathering technologies, improving resource utilization efficiency and environmental protection has become a key objective for the industry. For a long time, well metering and pipeline maintenance during oilfield production have been major technological challenges. Traditional well metering methods rely heavily on manual operation, which is not only time-consuming and labor-intensive but also susceptible to human error, resulting in limited metering accuracy. Meanwhile, while the widespread application of unheated gathering and transportation technologies has effectively reduced energy consumption, the problem of pipeline wax buildup has become increasingly prominent, posing a serious threat to the safe operation of pipelines.

[0003] While existing technologies offer some solutions to the aforementioned problems, they often suffer from issues such as dispersed equipment, large footprints, and insufficient automation. For example, well metering and pipeline pigging (a cleaning operation to prevent wax buildup in pipelines) typically require separate equipment, which not only increases the complexity of oilfield operations but also occupies a significant amount of valuable land resources. Furthermore, traditional tank designs with separate metering often lack effective sealing measures, leading to the release of large amounts of hydrocarbon vapors into the atmosphere, wasting energy and exacerbating environmental pollution. Utility Model Content

[0004] The purpose of this utility model is to provide an integrated intelligent metering and ball-launching device for oil wells, in order to solve the problems of traditional oil well metering relying on manual labor, low accuracy and serious wax buildup in pipelines, dispersed equipment, large footprint, insufficient level of intelligence, and poor sealing of storage tanks leading to hydrocarbon vapor waste and environmental pollution.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: An integrated intelligent metering and pigging device for oil wells includes a valve group well selection control unit. One end of the valve group well selection control unit is connected to several oil well inlets, and the other end is connected to the metering process and the inlet manifold. The inlet manifold is connected to the metering process, which is equipped with a crude oil non-separated three-phase metering unit and a microwave water content analyzer. The connecting pipe between the inlet manifold and the metering process is connected to an intelligent pigging and pigging device. The crude oil non-separated three-phase metering unit and the microwave water content analyzer are connected to a control cabinet.

[0006] The valve group well selection control unit includes an automatic well selection distribution valve and a solenoid head. The automatic well selection distribution valve is driven by the solenoid head to rotate the valve core, so as to randomly select the oil well inlet of a single oil well to enter the metering process.

[0007] The pipeline of the metering process is equipped with a first gate valve and a second gate valve. The first gate valve is located near the valve group well selection control unit, and the second gate valve is located near the crude oil non-separated three-phase metering unit. These valves are used to control the on / off state of the metering process and regulate the inflow rate.

[0008] The crude oil non-separated three-phase metering unit adopts equal volume dynamic compression measurement technology and microwave radar technology to simultaneously collect the oil, water, and gas content, as well as temperature and pressure parameters in the well fluid.

[0009] A six-way reversing solenoid valve is also installed on the connecting pipeline between the metering process and the crude oil non-separated three-phase metering unit. The six-way reversing solenoid valve is connected to the control cabinet and is used to realize the reversing adjustment of the metering process and adapt to multiple working conditions.

[0010] The intelligent cleaning and ball-serving device includes a combination mechanism of a rotary ball valve and a reciprocating push rod, and integrates a wireless radio frequency monitoring module to realize the synchronous operation of receiving and serving the cleaning ball, as well as the electronic positioning and status monitoring of the cleaning ball.

[0011] The intelligent pigging and launching device has a bypass pipeline connected in parallel between the inlet and outlet ends. An eighth gate valve is installed on the bypass pipeline to ensure continuous delivery of the incoming liquid to the manifold during device maintenance.

[0012] The section of the inlet manifold near the intelligent pigging and launching device has a pre-reserved pressure boosting port. The pressure boosting port can be connected to an external pressure boosting device to increase the delivery pressure when the inlet pressure of the oil well is insufficient after the merging.

[0013] The control cabinet is also connected to a remote terminal unit. The control cabinet transmits the collected metering data and equipment control status to the remote terminal unit, which then uploads it to the remote monitoring center to achieve real-time remote monitoring of the oil well production status.

[0014] The valve group well selection control unit, crude oil non-separated three-phase metering unit, microwave water cut analyzer, six-way reversing solenoid valve, intelligent pigging and launching device and control cabinet are all integrated on the skid base, which is 2.8m×3.8m in size, to reduce the footprint of the equipment and improve the flexibility of well site layout.

[0015] Compared with the prior art, the present invention has the following beneficial effects: This utility model discloses an integrated intelligent metering and ball-launching device for oil wells. It achieves automatic selection of incoming fluid from a single well by using an electromagnetic head driven by an automatic well-selection and distribution valve in the valve group well-selection control unit, replacing traditional manual well-selection operations. Simultaneously, the crude oil non-separated three-phase metering unit employs equal-volume dynamic compression measurement technology and microwave radar technology to synchronously and accurately collect oil, water, and vapor content, as well as temperature and pressure parameters in the incoming fluid. Furthermore, a microwave water content analyzer is used to further calibrate oil production and water content, significantly reducing human error. Moreover, the first and second gate valves on the metering pipeline can precisely control the flow rate, adapting to metering needs under different operating conditions and achieving full automation of the metering process.

[0016] Furthermore, this utility model can efficiently solve the problem of wax buildup in pipelines and ensure continuous delivery. The intelligent pipeline cleaning and launching device adopts a combined mechanism consisting of a rotary ball valve and a reciprocating push rod, which realizes the simultaneous receiving and launching of the wax cleaning ball, shortening the pipeline cleaning operation time. The wireless radio frequency monitoring module integrated in the device can electronically locate and monitor the status of the wax cleaning ball, avoiding the situation where the wax cleaning ball is missing. At the same time, the bypass pipeline and the eighth gate valve on the pipeline connected in parallel between the liquid inlet and liquid outlet of the device can ensure the continuous delivery of the liquid manifold during device maintenance, avoiding production interruption.

[0017] Furthermore, this utility model solves the problems of traditional equipment being scattered and occupying a large area through an integrated skid-mounted design. It integrates the valve group well selection control unit, crude oil non-separation three-phase metering unit, microwave water content analyzer, six-way reversing solenoid valve, intelligent pigging and launching device, and control cabinet all onto a skid base with dimensions of 2.8m×3.8m, which greatly reduces the overall footprint of the device, saves well site land resources, and the skid-mounted structure facilitates factory prefabrication and rapid on-site installation and commissioning, reducing the complexity and cycle of on-site construction.

[0018] Furthermore, this utility model relies on an intelligent remote monitoring system to improve the efficiency of oil well management. The control cabinet collects metering data and equipment control status in real time and transmits the data to the remote terminal unit, which then uploads it to the remote monitoring center. Staff can monitor the oil well production status in real time without going to the site, realizing remote monitoring and precise control, reducing the manpower cost of on-site inspections, and enabling timely detection and rapid handling of production anomalies, thereby improving the level of intelligence in oil well management.

[0019] Furthermore, this invention reduces energy waste and environmental pollution through a fully closed-loop design. The oil well fluid, from the inlet, is metered and collected at the well site before being transported through the cleaning pipeline, all within a closed pipeline system. There are no traditional open storage tanks, preventing hydrocarbon vapor leakage and emissions at the source. Simultaneously, accurate metering data facilitates optimization of oil well extraction and transportation plans, reducing ineffective resource consumption and meeting the industry's green development requirements. It also features a robust pressure guarantee mechanism to enhance operational reliability. A pressure boosting port is reserved in the section of the inlet manifold near the intelligent cleaning and pigging device, allowing for external pressure boosting to flexibly increase the delivery pressure. This ensures the pipeline always meets delivery requirements, preventing blockages or reduced delivery efficiency due to insufficient pressure. Combined with gate valves on each process pipeline, a multi-dimensional operational guarantee mechanism is formed, significantly improving the adaptability and reliability of the device under different operating conditions. Attached Figure Description

[0020] Figure 1 : A schematic diagram of an integrated intelligent metering and ball-launching device for oil wells.

[0021] Labeling Explanation: 1. Oil well inlet; 2. Automatic well selection and distribution valve; 3. Electromagnetic head; 4. Metering process; 5. First gate valve; 6. Second gate valve; 7. Third gate valve; 8. Fourth gate valve; 9. Fifth gate valve; 10. Sixth gate valve; 11. Seventh gate valve; 12. Eighth gate valve; 13. Microwave water cut analyzer; 14. Six-way reversing solenoid valve; 15. Crude oil non-separated three-phase metering unit; 16. Inlet manifold; 17. Intelligent pigging and launching device; 18. Control cabinet; 19. Skid mount. Detailed Implementation

[0022] To further understand the present invention, the following detailed description is provided in conjunction with the accompanying drawings and specific embodiments. It should be understood that the embodiments are merely illustrative and not intended to limit the scope of the invention.

[0023] To further illustrate the technical means and effects of this utility model in achieving its intended purpose, the specific implementation methods, structural features and effects of this utility model are described in detail below with reference to the accompanying drawings and embodiments.

[0024] To overcome the problems of cumbersome processes, inaccurate measurement, high labor intensity for employees, safety hazards and environmental pollution in existing oil well production management, this invention provides an integrated intelligent metering and ball-launching device for oil wells. Through highly integrated and intelligent design, it realizes automatic metering and intelligent ball-launching of oil well fluids, effectively improving oil well production efficiency and safety, and reducing energy consumption and labor costs.

[0025] like Figure 1As shown, the present invention provides an integrated intelligent metering and pigging device for oil wells, comprising a valve group well selection control unit. One end of the valve group well selection control unit is connected to several oil well inlets, and the other end of the valve group well selection control unit is connected to the metering process and the inlet manifold. The inlet manifold is connected to the metering process, which is equipped with a crude oil non-separated three-phase metering unit and a microwave water content analyzer. The connecting pipe between the inlet manifold and the metering process is connected to an intelligent pigging and pigging device, and the crude oil non-separated three-phase metering unit and the microwave water content analyzer are connected to a control cabinet. In this embodiment, there are six oil well inlet ports 1, which are connected to automatic well selection and distribution valves 2. Each automatic well selection and distribution valve 2 is driven by a solenoid head 3 to rotate the valve core, so as to randomly select the oil well inlet port 1 to enter the metering process 4. The oil well inlet is directly connected to the inlet manifold 16. The oil well inlet selected by the automatic well selection and distribution valve 2 is equipped with a first gate valve 5 and a second gate valve 6 on the pipeline of the metering process 4. The first gate valve 5 is set near the valve group well selection and control unit, and the second gate valve 6 is set near the crude oil non-separated three-phase metering unit 15, which are used to control the opening and closing of the metering process and the adjustment of the inlet flow rate. After passing through metering process 4 and being controlled by gate valves such as the first gate valve 5 and the second gate valve 6 on the pipeline, the crude oil enters the crude oil non-separated three-phase metering unit 15. A microwave water content analyzer 13 and a six-way reversing solenoid valve 14 are also installed on the connecting pipeline between metering process 4 and crude oil non-separated three-phase metering unit 15. The microwave water content analyzer 13 and the six-way reversing solenoid valve 14 are connected to metering process 4. The microwave water content analyzer 13 is used to accurately analyze the water content of the incoming liquid to determine the oil production, and the six-way reversing solenoid valve 14 realizes the reversing adjustment of the metering process. After the crude oil non-separated three-phase metering unit 15 completes the metering of the incoming fluid from the oil well, it merges with the incoming fluid from other unmetered oil wells in the incoming fluid manifold 16, and then connects to the intelligent pigging and launching device 17. A bypass pipeline is connected in parallel between the inlet and outlet ends of the intelligent pigging and launching device 17. The bypass pipeline is equipped with a third gate valve 7, a fourth gate valve 8, a fifth gate valve 9, a sixth gate valve 10, a seventh gate valve 11, and an eighth gate valve 12. This ensures continuous delivery of the incoming fluid to the manifold during device maintenance and controls the receiving and launching of the pigging ball. The control cabinet 18 is connected to the crude oil non-separated three-phase metering unit 15, the six-way reversing solenoid valve 14, and the solenoid head 3 via cables to collect metering data and control status, and uploads the data to the remote monitoring center via a remote terminal unit. If the incoming fluid pressure from other unmetered oil wells is insufficient after metering, a pressure boosting device can be introduced through a pre-reserved pressure boosting port on the pipeline to increase the pressure. Furthermore, all the above devices are integrated and arranged at a height of 2.8m. An integrated skid-mounted structure is formed on the 3.8m skid mount 19, reducing the footprint of the well site and leaving the necessary space for well site layout.

[0026] The valve group well selection control unit includes an automatic well selection distribution valve 2 and a solenoid head 3. The automatic well selection distribution valve 2 is located at the oil well inlet 1. The solenoid head 3 drives the valve core of the automatic well selection distribution valve 2 to rotate, automatically selecting one oil well's inlet fluid to enter the metering process 4. The remaining inlets fluid directly enter the gathering and transportation manifold process 16. The selected oil well's inlet fluid enters the crude oil non-separated three-phase metering unit 15 through the metering process 4. The crude oil non-separated three-phase metering unit 15 uses equal volume dynamic compression measurement technology and microwave radar technology to accurately measure multiple parameters such as water, oil, gas, temperature, and pressure in the inlet fluid. The microwave water cut analyzer 13 further determines the oil production and water cut.

[0027] Metering data and control status are transmitted to control cabinet 18 via cable. Control cabinet 18 then sends the received data to a remote terminal unit, which in turn uploads it to the remote monitoring center, enabling real-time remote monitoring and management of the oil well's production status. This design not only improves the efficiency and accuracy of data transmission but also ensures that the monitoring center can comprehensively and in real-time grasp the oil well's operating status, providing strong support for intelligent management and precise control.

[0028] After metering, the incoming oil well fluid merges with other unmetered incoming fluids at the incoming fluid manifold 16 and then enters the intelligent pigging and launching device 17. The intelligent pigging and launching device 17 employs a combination mechanism of a rotary ball valve and a reciprocating push rod to achieve simultaneous ball receiving and launching. It also utilizes radio frequency technology for automatic monitoring of the wax-removing balls, enabling electronic management of the wax-removing balls. The intelligent pigging and launching device also features a bypass for easy access during maintenance.

[0029] In another preferred embodiment, the section of the inlet manifold 16 near the intelligent pigging and launching device 17 has a pre-installed pressure boosting port. This port can be connected to an external pressure boosting device to increase the delivery pressure when the inlet pressure from the merged oil wells is insufficient. If the pressure of the inlet fluid from the metered oil wells combined with that from other unmetered oil wells is insufficient, a pressure boosting device can be introduced through the pressure boosting port on the pipeline to increase the pressure and ensure that the pipeline can meet the delivery requirements. The entire device is designed to operate at a pressure of 4.0 MPa, providing high safety and reliability.

[0030] The above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although the utility model has been described in detail with reference to the above embodiments, those skilled in the art should understand that modifications or equivalent substitutions can still be made to the specific implementation of this utility model. Any modifications or equivalent substitutions that do not depart from the spirit and scope of this utility model should be covered within the protection scope of the claims of this utility model.

Claims

1. An integrated intelligent metering and ball-launching device for oil wells, characterized in that, It includes a valve group well selection control unit. One end of the valve group well selection control unit is connected to several oil well inlets (1). The other end of the valve group well selection control unit is connected to the metering process (4) and the inlet manifold (16). The inlet manifold (16) is connected to the metering process (4). The metering process (4) is connected to a crude oil non-separated three-phase metering unit (15) and a microwave water content analyzer (13). The connecting pipe between the inlet manifold (16) and the metering process (4) is connected to an intelligent pigging device (17). The crude oil non-separated three-phase metering unit (15) and the microwave water content analyzer (13) are connected to a control cabinet (18).

2. The integrated intelligent metering and ball-launching device for oil wells according to claim 1, characterized in that, The valve group well selection control unit includes an automatic well selection distribution valve (2) and an electromagnetic head (3). The automatic well selection distribution valve (2) is driven by the electromagnetic head (3) to rotate the valve core so as to randomly select the oil well fluid from the single oil well fluid inlet (1) to enter the metering process (4).

3. The integrated intelligent metering and ball-launching device for oil wells according to claim 2, characterized in that, The metering process (4) is equipped with a first gate valve (5) and a second gate valve (6). The first gate valve (5) is located near the valve group well selection control unit, and the second gate valve (6) is located near the crude oil non-separated three-phase metering unit (15). It is used to control the opening and closing of the metering process (4) and the adjustment of the incoming liquid flow rate.

4. The integrated intelligent metering and ball-launching device for oil wells according to claim 3, characterized in that, The crude oil non-separated three-phase metering unit (15) adopts equal volume dynamic compression measurement technology and microwave radar technology to synchronously collect the oil, water, gas content, temperature and pressure parameters in the oil well fluid.

5. The integrated intelligent metering and ball-launching device for oil wells according to claim 4, characterized in that, A six-way reversing solenoid valve (14) is also provided on the connecting pipeline between the metering process (4) and the crude oil non-separated three-phase metering unit (15). The six-way reversing solenoid valve (14) is connected to the control cabinet (18) to realize the reversing adjustment and multi-condition adaptation of the metering process (4).

6. The integrated intelligent metering and ball-launching device for oil wells according to claim 5, characterized in that, The intelligent cleaning and ball-serving device (17) includes a combination mechanism of a rotary ball valve and a reciprocating push rod, and integrates a wireless radio frequency monitoring module to realize the synchronous operation of receiving and serving the cleaning ball, as well as the electronic positioning and status monitoring of the cleaning ball.

7. The integrated intelligent metering and ball-launching device for oil wells according to claim 6, characterized in that, The intelligent pigging and launching device (17) has a bypass pipeline connected in parallel between the inlet and outlet ends. An eighth gate valve (12) is provided on the bypass pipeline to ensure the continuous delivery of the incoming liquid manifold (16) during device maintenance.

8. The integrated intelligent metering and ball-launching device for oil wells according to claim 7, characterized in that, The section of the inlet manifold (16) near the intelligent cleaning and launching device (17) has a pre-reserved pressure boosting port. The pressure boosting port can be connected to an external pressure boosting device to increase the delivery pressure when the inlet pressure of the oil well is insufficient after the manifold.

9. The integrated intelligent metering and ball-launching device for oil wells according to claim 8, characterized in that, The control cabinet (18) is also connected to a remote terminal unit. The control cabinet (18) transmits the collected metering data and equipment control status to the remote terminal unit, which then uploads it to the remote monitoring center to realize real-time remote monitoring of the oil well production status.

10. The integrated intelligent metering and ball-launching device for oil wells according to claim 9, characterized in that, The valve group well selection control unit, crude oil non-separated three-phase metering unit (15), microwave water cut analyzer (13), six-way reversing solenoid valve (14), intelligent pigging and launching device (17) and control cabinet (18) are all integrated on the skid (19). The skid (19) is 2.8m×3.8m in size, which is used to reduce the footprint of the device and improve the flexibility of well site layout.

Images