CN104806229A - Plunger gas-lift drainage/gas production logging system and control method thereof - Google Patents
Plunger gas-lift drainage/gas production logging system and control method thereof Download PDFInfo
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- CN104806229A CN104806229A CN201510151418.7A CN201510151418A CN104806229A CN 104806229 A CN104806229 A CN 104806229A CN 201510151418 A CN201510151418 A CN 201510151418A CN 104806229 A CN104806229 A CN 104806229A
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- plunger
- microprocessor
- production logging
- gas
- wireless communication
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/122—Gas lift
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
- E21B47/07—Temperature
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/26—Storing data down-hole, e.g. in a memory or on a record carrier
Abstract
The invention relates to a measurement system and a control method thereof and specifically provides a plunger gas-lift drainage/gas production logging system. The plunger gas-lift drainage/gas production logging system comprises an upper computer and a lower computer; the upper computer comprises a wireless communication module and a wellhead controller both mounted on a blowout prevention pipe; the lower computer comprises a production logging module; the production logging module is mounted inside a plunger or on the upper part of the plunger; the production logging module is connected with a travel switch; the travel switch is connected with a collision rod in the plunger; according to the control method, the production logging is combined with the plunger gas-lift process, the production logging is performed by use of the well shut-in re-pressing stage of the operation course of the gas-lift process, the temperature and the flowing pressure at the bottom of the well and the liquid production flow information are measured, the measurement data are saved locally at the bottom of the well firstly and then transmitted to the wellhead controller by use of a wireless communication scheme at an uplink stage, and therefore, safe acquisition of the logging data is realized, and the data accuracy and the data acquisition diversity are improved.
Description
Technical field
The present invention relates to a kind of measuring system and control method thereof, be specially plunger lift water pumping gas production production logging system and control method thereof.
Background technology
Plunger Airlift Draining Gas Recovery is a kind of technique of intermittent gaslift christmas, due to lifting gas and by lifting liquid between provide a kind of seal interface-plunger of solid, therefore the process reduces the channelling of gas and the falling of liquid, thus effectively can improve the lifting efficiency of gas energy, well yield is improved greatly.
Current Plunger Airlift Draining Gas Recovery is once installing and using, cannot direct measuring well sub-surface aerogenesis situation at running, only by measuring oil pressure at ground well head, casing pressure, aerogenesis and aquifer yield are indirectly estimated and are judged stratum actual conditions, only utilize these data can not provide more parameter to solving of this technology theory model, the information of more reality can not be provided the optimization of this technique, foundation actual reliably can not be provided to the adjustment of its work period in process operation process, cannot monitor and the production status of analyzing oil and gas layer and development behavior.And this gas producing technology enters down production logging instrument again once operation, and to carry out production logging extremely inconvenient.
Application number is 201110402030.1 patents of invention " system for tracking downhole running state of gas production plunger and method of works thereof ", a kind of plunger underground location and running status tracking system are provided, this technology is just monitored for this location in down-hole of plunger and motion state thereof, detected object is single, can not detect the geo-logical terrain situation of the natural gas well, aerogenesis situation and the water outlet degree of gas-bearing formation cannot be grasped in time.When the transmission of its data adopts plunger to run in oil pipe, collision tubing coupling generation sound wave pulse signal is transferred to ground along body or directly launches sound wave pulse signal by plunger detection subsystem and transfers to well head by managing interior gas medium, and this transmission means has shortcoming: (1) intersymbol interference.The influence time that this high emission characteristic had between oil connection result in drill string pulse continues to reach hundred milliseconds, intersymbol can be made like this to have and obviously disturb generation, and this impact is the principal element of restriction channel transfer capability.(2) noise jamming.The noise that aerogenesis carries out being produced by multi-phase fluid movement in process can change signal to noise ratio, thus affects the transmission of channel.(3) acoustic attenuation.Sound wave can be subject to the impact of medium and obstruction while spreading with spherical manner, thus energy is absorbed by medium or obstruction thus changes into other forms of energy.(4) measurement parameter is few.
Summary of the invention
For above-mentioned technical problem, the invention provides a kind of production logging system and control method thereof, realize the safety collection of log data, improve accuracy and the data acquisition diversity of data.
Concrete technical scheme is:
Plunger lift water pumping gas production production logging system, comprises host computer and slave computer;
Host computer comprises and is arranged on wireless communication module on lubricator and well head controller;
Slave computer comprises production logging module, and production logging module is arranged on the top of plunger body or plunger; Production logging model calling has travel switch, and travel switch is connected with the collision bar in plunger;
Log data for gathering and store the log data of flow, temperature, pressure signal, and is sent to wireless communication module by production logging module, accepts host computer instruction, when production logging module goes wrong, sends warning message and diagnostic message to host computer;
Wireless communication module is responsible for the log data receiving production logging module, and by logging data transmission system to well head controller, well head controller is connected with wireless communication module by cable, receive and store log data, warning message and diagnostic message, or by Supervisory control and data acquisition and monitoring system (SCADA), data being passed to oil field central control room.
Production logging module comprises flow transmitter, temperature pick up, pressure sensor, microprocessor, well logging wireless communication module, memory and battery; Described flow transmitter is connected with microprocessor by flow signal modulate circuit, and temperature pick up is connected with microprocessor by temperature signal regulation circuit, temperature A/D change-over circuit; Pressure sensor is connected with microprocessor by pressure signal conditioning circuit, pressure A/D change-over circuit; Described pressure A/D change-over circuit is connected with reference voltage circuit; Described well logging wireless communication module is connected with microprocessor respectively with memory; Microprocessor has control circuit to be connected with travel switch, and battery is respectively flow transmitter, temperature pick up, pressure sensor, microprocessor, well logging wireless communication module provide power supply.
Plunger lift water pumping gas production production logging control method:
From well shut-in period, plunger falls from earth's surface, and the ball-and-seat in plunger is opened, and form a passage, gas-liquid is passed through, plunger is at the falls downward of self gravitation, and gas, water are by the interstitial flow between central tube and collision bar; After dropping to shaft bottom, plunger and shaft bottom snubber collide, and stressed part is valve rod, and valve rod moves upward, and the collision bar promoting plunger center moves upward together, and last valve rod contacts with the central tube in plunger, by the channel enclosed that oil gas transmits; While collision bar moves upward, by the power that valve rod moves upward, travel switch is upwards pushed away, during travel switch motion, by Signal transmissions to the microprocessor of production logging module; Microprocessor receives signal, sends signal 11, shows that plunger has been occupied stably on fastener, sends measurement instruction, opens flow transmitter, temperature pick up, pressure sensor measure, measurement result be stored in memory;
In the up process of plunger, namely after plunger leaves fastener, travel switch automatically resets to original state, is transferred to microprocessor reset signal 10 simultaneously, and microprocessor stops measuring after receiving 11-10 signal;
When plunger is given rise to earth's surface lubricator together with liquid, plunger is grabbed device by catching in lubricator and is fixed, center-pole in plunger and the cushion pad in lubricator collide, collision bar is stressed to be moved downward, promotion valve rod moves downward, valve rod separates with the central tube of plunger, form the passage that oil gas transmits, the gas of plunger bottom is made to arrive sales line by plunger valve, now the travel switch in production logging module pushes away downwards by cushion pad impact force by collision bar, while under travel switch is pushed to, be transferred to microprocessor switching signal 00 of production logging module, microprocessor receives signal, and find that signal intensity is 10-00, show that plunger has arrived in shaft mouth anti-blowout pipe, namely microprocessor sends instruction unpack well logging wireless communication module, the wireless communication module of well logging wireless communication module and host computer is set up and is contacted, by the flow stored in memory, temperature, pressure detection well information, transmitting fault information is to the well head controller of host computer, well logging wireless communication module accepts the information of host computer simultaneously,
Plunger start descending when, after leaving lubricator, travel switch resets to original state, is transferred to microprocessor reset signal 10 simultaneously, microprocessor stops data transmitting after receiving 00-10 variable signal, waits for that plunger goes downwards on fastener and starts next period measurement.
Flow transmitter measuring flow, flow is the important parameter characterizing dynamic change of oil wells and evaluate gas-bearing formation industry characteristics, and for water-producing gas well, its meaning is larger, to the formulation of working system, realizes productivity effect and maximizes and have a significant impact.In oilfield explorating developing process, the change of reservoir temperature and borehole fluid temperature is very important parameter and information.
The well temperature of a certain degree of depth of temperature sensor measurement record or the variations in temperature along well profile, its well-log information can be used for determining reservoir temperature, understand borehole fluid flow regime, divide injection profile, determine aerogenesis, production fluid mouth position, leakage, channelling are kept a grip in inspection, evaluate the many aspects such as acidifying, fracturing effect.
Pressure sensor is for measuring the flowing pressure of strata pressure (static pressure) and Oil/gas Well, and the difference of strata pressure and flowing pressure is exactly producing pressure differential.Size and the producing pressure differential of Oil/gas Well production capacity have direct relation, and the large production capacity of pressure reduction is just large.Measure this two manufacturing parameters, by dynamic analysis, the Pressure Variation grasped and analyze in development process and the regularity of distribution of formation pressure, taking corresponding measure to carry out adjustment is in time reasonable development oil field, ensure oil field high yield, stable yields, improve the important means of oil field ultimate recovery.Plunger lift technique in the past can only estimate this producing pressure differential indirectly by the oil pressure and casing pressure measuring well head, and pressure sensor can be goed deep into shaft bottom and sustainable measurement a period of time by this plunger lift water pumping gas production production logging system provided by the invention, obtain a large amount of bottom pressure information.
Plunger lift water pumping gas production production logging system provided by the invention and control method thereof, production logging is combined with plunger lift technique, the closing well of the gaslift process operation process stage of pressing again is utilized to carry out production logging, measure bottom hole temperature (BHT), flowing bottomhole pressure (FBHP) and production fluid flow information, survey data is first preserved on the spot in shaft bottom, until the up stage is transferred to well head controller by radio communication system again, realize the safety collection of log data, improve accuracy and the data acquisition diversity of data.
Accompanying drawing explanation
Fig. 1 is plunger lift water pumping gas production production logging system architecture schematic diagram of the present invention;
Fig. 2 is the structural representation of production logging module of the present invention;
Fig. 3 is control method flow chart of the present invention.
Detailed description of the invention
Accompanying drawings specific embodiments of the invention.
As shown in Figure 1, plunger lift water pumping gas production production logging system, comprises host computer and slave computer;
Host computer comprises and is arranged on wireless communication module 1 on lubricator 100 and well head controller 2;
Slave computer comprises production logging module 3, and production logging module 3 is arranged on the top of plunger 200 inside or plunger 200; Production logging module 3 is connected with travel switch 314, and travel switch 314 is connected with the collision bar in plunger 200;
Production logging module 3 is for gathering and store the log data of flow, temperature, pressure signal, and log data is sent to wireless communication module 1, accept host computer instruction, when production logging module 3 goes wrong, send warning message and diagnostic message to host computer;
Wireless communication module 1 is responsible for the log data receiving production logging module 3, and by logging data transmission system to well head controller 2, well head controller 2 is connected with wireless communication module 1 by cable, receive and store log data, warning message and diagnostic message, or by Supervisory control and data acquisition and monitoring system (SCADA), data being passed to oil field central control room.
As shown in Figure 2, production logging module 3 comprises flow transmitter 301, temperature pick up 302, pressure sensor 303, microprocessor 311, well logging wireless communication module 312, memory 313 and battery 310; Described flow transmitter 301 is connected with microprocessor 311 by flow signal modulate circuit 304, and temperature pick up 302 is connected with microprocessor 311 by temperature signal regulation circuit 305, temperature A/D change-over circuit 307; Pressure sensor 303 is connected with microprocessor 311 by pressure signal conditioning circuit 306, pressure A/D change-over circuit 308; Described pressure A/D change-over circuit 308 is connected with reference voltage circuit 309; Described well logging wireless communication module 312 is connected with microprocessor 311 respectively with memory 313; Microprocessor 311 has control circuit to be connected with travel switch 314, battery 310 be respectively flow transmitter 301, temperature pick up 302, pressure sensor 303, microprocessor 311, well logging wireless communication module 312 power supply is provided.
As shown in Figure 3, plunger lift water pumping gas production production logging control method:
From well shut-in period, plunger 200 falls from earth's surface, and the ball-and-seat in plunger 200 is opened, and form a passage, gas-liquid is passed through, plunger 200 is at the falls downward of self gravitation, and gas, water are by the interstitial flow between central tube and collision bar; After dropping to shaft bottom, plunger 200 and shaft bottom snubber collide, and stressed part is valve rod, and valve rod moves upward, and the collision bar promoting plunger 200 center moves upward together, and last valve rod contacts with the central tube in plunger 200, by the channel enclosed that oil gas transmits; While collision bar moves upward, by the power that valve rod moves upward, travel switch 314 is upwards pushed away, when travel switch 314 moves, by Signal transmissions to the microprocessor 311 of production logging module 3; Microprocessor 311 receives signal, sends signal 11, shows that plunger 200 has been occupied stably on fastener, sends measurement instruction, opens flow transmitter 301, temperature pick up 302, pressure sensor 303 measure, measurement result be stored in memory 313;
In the up process of plunger 200, namely after plunger 200 leaves fastener, travel switch 314 automatically resets to original state, is transferred to microprocessor 311 reset signal 10 simultaneously, and microprocessor 311 stops measuring after receiving 11-10 signal;
When plunger 200 is given rise to earth's surface lubricator 100 together with liquid, plunger is grabbed device by catching in lubricator 100 and is fixed, cushion pad in center-pole in plunger 200 and lubricator 100 collides, collision bar is stressed to be moved downward, promotion valve rod moves downward, valve rod separates with the central tube of plunger 200, form the passage that oil gas transmits, the gas of plunger 200 bottom is made to arrive sales line by plunger valve, now the travel switch 314 in production logging module 3 pushes away downwards by cushion pad impact force by collision bar, while under travel switch 314 is pushed to, be transferred to microprocessor 311 1 switching signals 00 of production logging module 3, microprocessor 311 receives signal, and find that signal intensity is 10-00, show that plunger 200 has arrived in shaft mouth anti-blowout pipe 100, namely microprocessor 311 sends instruction unpack well logging wireless communication module 312, well logging wireless communication module 312 is set up with the wireless communication module 1 of host computer and is contacted, by the flow that memory 313 li stores, temperature, pressure detection well information, transmitting fault information is to the well head controller 2 of host computer, well logging wireless communication module 312 accepts the information of host computer simultaneously,
Plunger 200 start descending when, after leaving lubricator 100, travel switch 314 resets to original state, be transferred to microprocessor 311 reset signal 10 simultaneously, microprocessor 311 stops data transmitting after receiving 00-10 variable signal, waits for that plunger 200 goes downwards on fastener and starts next period measurement.
Claims (3)
1. plunger lift water pumping gas production production logging system, is characterized in that: comprise host computer and slave computer;
Described host computer comprises and is arranged on wireless communication module (1) on lubricator (100) and well head controller (2);
Described slave computer comprises production logging module (3), and production logging module (3) is arranged on the top of plunger (200) inside or plunger (200); Production logging module (3) is connected with travel switch (314), and travel switch (314) is connected with the collision bar in plunger (200);
Described production logging module (3) is for gathering and store the log data of flow, temperature, pressure signal, and log data is sent to wireless communication module (1), accept host computer instruction, when production logging module (3) goes wrong, send warning message and diagnostic message to host computer;
Described wireless communication module (1) is responsible for the log data receiving production logging module (3), and by logging data transmission system to well head controller (2), well head controller (2) is connected with wireless communication module (1) by cable, receive and store log data, warning message and diagnostic message, or data are passed to oil field central control room.
2. plunger lift water pumping gas production production logging system according to claim 1, is characterized in that: described production logging module (3) comprises flow transmitter (301), temperature pick up (302), pressure sensor (303), microprocessor (311), well logging wireless communication module (312), memory (313) and battery (310); Described flow transmitter (301) is connected with microprocessor (311) by flow signal modulate circuit (304), and temperature pick up (302) is connected with microprocessor (311) by temperature signal regulation circuit (305), temperature A/D change-over circuit (307); Pressure sensor (303) is connected with microprocessor (311) by pressure signal conditioning circuit (306), pressure A/D change-over circuit (308); Described pressure A/D change-over circuit (308) is connected with reference voltage circuit (309); Described well logging wireless communication module (312) is connected with microprocessor (311) respectively with memory (313); Microprocessor (311) has control circuit to be connected with travel switch (314), battery (310) be respectively flow transmitter (301), temperature pick up (302), pressure sensor (303), microprocessor (311), well logging wireless communication module (312) power supply is provided.
3. plunger lift water pumping gas production production logging system according to claim 2, is characterized in that production logging control method comprises following process:
From well shut-in period, plunger (200) falls from earth's surface, ball-and-seat in plunger (200) is opened, form a passage, gas-liquid is passed through, plunger (200) is at the falls downward of self gravitation, and gas, water are by the interstitial flow between central tube and collision bar; After dropping to shaft bottom, plunger (200) and shaft bottom snubber collide, stressed part is valve rod, valve rod moves upward, the collision bar promoting plunger (200) center moves upward together, last valve rod contacts with the central tube in plunger (200), by the channel enclosed that oil gas transmits; While collision bar moves upward, by the power that valve rod moves upward, travel switch (314) is upwards pushed away, during travel switch (314) motion, by Signal transmissions to the microprocessor of production logging module (3) (311); Microprocessor (311) receives signal, send signal 11, show that plunger (200) has been occupied stably on fastener, send measurement instruction, open flow transmitter (301), temperature pick up (302), pressure sensor (303) measure, measurement result is stored in memory (313);
In plunger (200) up process, namely after plunger (200) leaves fastener, travel switch (314) automatically resets to original state, be transferred to microprocessor (311) reset signal 10, microprocessor (311) stops measuring after receiving 11-10 signal simultaneously;
When plunger (200) is given rise to earth's surface lubricator (100) together with liquid, plunger is grabbed device by catching in lubricator (100) and is fixed, cushion pad in center-pole in plunger (200) and lubricator (100) collides, collision bar is stressed to be moved downward, promotion valve rod moves downward, valve rod separates with the central tube of plunger (200), form the passage that oil gas transmits, the gas of plunger (200) bottom is made to arrive sales line by plunger valve, now the travel switch (314) in production logging module (3) pushes away downwards by cushion pad impact force by collision bar, while under travel switch (314) is pushed to, be transferred to microprocessor (311) switching signals 00 of production logging module (3), microprocessor (311) receives signal, and find that signal intensity is 10-00, show that plunger (200) has arrived in shaft mouth anti-blowout pipe (100), microprocessor (311) namely sends instruction unpack well logging wireless communication module (312), well logging wireless communication module (312) is set up with the wireless communication module (1) of host computer and is contacted, by the flow of inner for memory (313) storage, temperature, pressure detection well information, transmitting fault information is to the well head controller of host computer (2), well logging wireless communication module (312) accepts the information of host computer simultaneously,
Plunger (200) start descending when, after leaving lubricator (100), travel switch (314) resets to original state, be transferred to microprocessor (311) reset signal 10 simultaneously, microprocessor (311) stops data transmitting after receiving 00-10 variable signal, waits for that plunger (200) goes downwards on fastener and starts next period measurement.
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| CN201510151418.7A CN104806229B (en) | 2015-04-01 | 2015-04-01 | Plunger lift water pumping gas production production logging system and its control method |
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| CN201510151418.7A CN104806229B (en) | 2015-04-01 | 2015-04-01 | Plunger lift water pumping gas production production logging system and its control method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917607A (en) * | 2017-04-14 | 2017-07-04 | 北京金科龙石油技术开发有限公司 | A kind of automatic execution formula water drainage gas production device |
| CN107605464A (en) * | 2017-09-22 | 2018-01-19 | 中国石油集团西部钻探工程有限公司 | Gas well switch board control system and its control method |
| CN108071364A (en) * | 2016-11-12 | 2018-05-25 | 肖蔚然 | A kind of controllable device of gas well water pumping gas production |
| CN108240217A (en) * | 2016-12-26 | 2018-07-03 | 中国石油天然气股份有限公司 | A kind of test plunger to recover the oil for plunger lift and test system |
| CN108518204A (en) * | 2018-03-20 | 2018-09-11 | 四川理工学院 | A kind of gap gas lift liquid drainage gas production control method and system |
| CN109899035A (en) * | 2019-04-15 | 2019-06-18 | 成都百胜野牛科技有限公司 | Plunger operating device |
| CN111188600A (en) * | 2019-11-18 | 2020-05-22 | 西安思坦仪器股份有限公司 | Intelligent plunger control device and control method thereof |
| CN112234675A (en) * | 2020-10-12 | 2021-01-15 | 贵州航天凯山石油仪器有限公司 | Method for prolonging service life of battery in testing plunger |
| CN113898320A (en) * | 2021-10-27 | 2022-01-07 | 西安洛科电子科技股份有限公司 | Underground wireless digital intelligent drainage and production system |
| CN115492573A (en) * | 2022-11-21 | 2022-12-20 | 西南石油大学 | Dynamic determination method for stratum inflow of plunger gas lift well |
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| CN108071364A (en) * | 2016-11-12 | 2018-05-25 | 肖蔚然 | A kind of controllable device of gas well water pumping gas production |
| CN108240217B (en) * | 2016-12-26 | 2021-07-02 | 中国石油天然气股份有限公司 | Test plunger and test system for plunger gas lift oil extraction |
| CN108240217A (en) * | 2016-12-26 | 2018-07-03 | 中国石油天然气股份有限公司 | A kind of test plunger to recover the oil for plunger lift and test system |
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| CN107605464A (en) * | 2017-09-22 | 2018-01-19 | 中国石油集团西部钻探工程有限公司 | Gas well switch board control system and its control method |
| CN108518204A (en) * | 2018-03-20 | 2018-09-11 | 四川理工学院 | A kind of gap gas lift liquid drainage gas production control method and system |
| CN108518204B (en) * | 2018-03-20 | 2020-01-21 | 四川理工学院 | Intermittent gas lift liquid drainage gas production control method and system |
| CN109899035A (en) * | 2019-04-15 | 2019-06-18 | 成都百胜野牛科技有限公司 | Plunger operating device |
| CN111188600A (en) * | 2019-11-18 | 2020-05-22 | 西安思坦仪器股份有限公司 | Intelligent plunger control device and control method thereof |
| CN111188600B (en) * | 2019-11-18 | 2023-08-11 | 西安思坦仪器股份有限公司 | Intelligent plunger control device and control method thereof |
| CN112234675A (en) * | 2020-10-12 | 2021-01-15 | 贵州航天凯山石油仪器有限公司 | Method for prolonging service life of battery in testing plunger |
| CN113898320A (en) * | 2021-10-27 | 2022-01-07 | 西安洛科电子科技股份有限公司 | Underground wireless digital intelligent drainage and production system |
| CN115492573A (en) * | 2022-11-21 | 2022-12-20 | 西南石油大学 | Dynamic determination method for stratum inflow of plunger gas lift well |
| CN115492573B (en) * | 2022-11-21 | 2023-03-17 | 西南石油大学 | Dynamic determination method for stratum inflow of plunger gas lift well |
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