CN205078244U - Plunger device with real -time continuous monitor function of pressure and temperature - Google Patents
Plunger device with real -time continuous monitor function of pressure and temperature Download PDFInfo
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- CN205078244U CN205078244U CN201520695833.4U CN201520695833U CN205078244U CN 205078244 U CN205078244 U CN 205078244U CN 201520695833 U CN201520695833 U CN 201520695833U CN 205078244 U CN205078244 U CN 205078244U
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Abstract
The utility model provides a plunger device with real -time continuous monitor function of pressure and temperature, the device includes the pressure thermometer seating nipple, the plunger barrel, the pressure thermometer seating nipple is located the central part of plunger barrel, built -in measuring instrument of pressure thermometer seating nipple and communication module, when being used for gas well production, the plunger comes and goes between well head and shaft bottom, constantly plunger operation conditions overdraft and temperature data utilize communication module to reach ground in succession in real time with wireless data transmission's mode in the pit with the measuring. Data monitoring and gas well production are gone on simultaneously, have cancelled cable well logging operation. Entire system simple structure, the operating efficiency is high, and the security is good, need not implement the closing well, has guaranteed the stable yields of gas well, can be used to the flowing back gas production operation of all kinds of gas wells, including conventionality and unconventional gas tibetan development wells such as the depleted gas well of gas reservoir pressure, the condensate gas well in exploitation later stage, fine and close rock gas well, shale gas gas well, coal bed gas gas wells.
Description
Technical field
The utility model belongs to oil gas field oil recovery production gas technology field, is specifically related to a kind of plunger assembly with pressure and temperature real-time continuous monitoring function.
Background technology
Plunger lift technique is a kind of drainage gas recovery method utilizing gas well self-energy liquid to be discharged pit shaft.Plunger as the mechanical interface between gas-liquid, is utilized the gas of gas well output by this technology, promotes plunger and periodically moves up and down in oil pipe, and then periodically the liquid of stratum output is lifted to ground, and extraction gas.As the plunger of gas-liquid interface, effectively can stop on gas and alter and liquid falling, reduce liquid moves to this process of well head " slippage " effect from shaft bottom, greatly improve the efficiency of gas lifting liquid.This technique is mainly applicable to have certain production capacity, water yield per day is less than 25m
3gas well.
At present, enter technique under traditional cable is still adopted to the logging method of plunger gas-lift well enforcement, must first allow gas well stop production during enforcement, use special cable from shaft mouth anti-blowout pipe by measuring apparatus lower going-into-well cylinder.This technology continues to use many decades, its shortcoming is, during well logging, gas well must stop production, due to plunger lift inherently batch production, plunger whereabouts cycle gas well not aerogenesis, must by reducing closing well number of times, accelerate the measure raising well yields such as plunger decrease speed as far as possible.Therefore, stop production during well logging and avoid closing well to constitute contradiction as far as possible, and the data of well logging can not accomplish the analysis to the continuous running status of plunger.
Utility model content
The purpose of this utility model solves existing plunger lift device to do to log data especially circuit die and temperature the problem that continuous running state analysis and data monitoring and gas well liquid loading can not carry out simultaneously.
For this reason, the utility model provides a kind of plunger assembly with pressure and temperature real-time continuous monitoring function, comprise fishing head and the plunger barrel being connected to fishing head lower end, the pressure thermometer seating nipple coaxial with plunger barrel is connected with in plunger barrel, described pressure thermometer seating nipple comprise be positioned at pressure thermometer seating nipple battery, temperature pick up and pressure sensor, data converter, battery electrically connects with temperature pick up, pressure sensor, data converter respectively, and temperature pick up, pressure sensor all connect with data converter.
The temperature signal of reception and pressure signal to be transferred to the data transmission system outside plunger barrel by described data converter by communication module, data transmission system connects with the SGP data management analysis module outside plunger barrel.
Described data transmission system comprises MCU controller, the GPRS wireless module connected with controller respectively, RS485 expansion module, RS485 local communication module, FRAM data storage, RTC high precision clock, RS485 instrument communication module, and the battery to connect with MCU controller, the solar charging/discharging manager connected with battery, and the photovoltaic battery panel connected with solar charging/discharging manager.
Described communication module is any one in WLAN, NFC, WIFI-Dircet, bump, 2G, 4G, bluetooth, wifi, zige-bee, GPRS, 3G, USB module.
Described pressure sensor is piezoresistive pressure sensor.
The outer wall lower end of described pressure thermometer seating nipple is connected by connecting thread with the inwall lower end of plunger barrel.
The lower end outer wall of described pressure thermometer seating nipple is arranged with sealing ring.
The beneficial effects of the utility model: this plunger assembly with pressure and temperature real-time continuous monitoring function that the utility model provides can carry out the real-time continuous monitoring of pit shaft inner plunger pressure and temperature data in plunger lift discharge opeing process, data monitoring and gas well liquid loading carry out simultaneously, eliminate wireline logging operation.Whole system structure is simple, and operating efficiency is high, and safety is good, need not implement closing well, ensure that the stable yields of gas well.This technology can be used for the liquid discharging gas producing operation of all kinds of gas well, comprises gas reservoir stress discern gas well, the condensate well, fine and close rock gas well, shale gas gas well, coal bed gas gas well etc. in exploitation later stage routine and unconventional gas reservoir development well.
Below with reference to accompanying drawing, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is the structural representation of the plunger assembly with pressure and temperature real-time continuous monitoring function.
Fig. 2 is the structural representation of pressure thermometer seating nipple.
Fig. 3 is the operating principle schematic diagram of pressure thermometer seating nipple.
Fig. 4 is the schematic diagram of data transmission system.
Fig. 5 is pit shaft inner plunger pressure curve divided stages figure.
Fig. 6 is the operating principle schematic diagram of the plunger assembly with pressure and temperature real-time continuous monitoring function.
Description of reference numerals: 1, pressure sensor; 2, temperature sensing circuit; 3, microprocessor; 4, signal processing circuit; 5, A/D change-over circuit I; 6, A/D change-over circuit II; 7, communication module; 8, memory; 9, fishing head; 10, plunger barrel; 11, pressure thermometer seating nipple; 12, battery; 13, data converter; 14, sealing ring; 15, connecting thread; 16, data transmission system; 1601, GPRS wireless module; 1602, RS485 expansion module; 1603, RS485 local communication module; 1604, FRAM data storage; 1605, RTC high precision clock; 1606, RS485 instrument communication module; 1607, battery; 1608, solar charging/discharging manager; 1609, photovoltaic battery panel; 1610, MCU controller; 17, SGP data management analysis module; 18, temperature pick up.
Detailed description of the invention
Further the plunger assembly that this has pressure and temperature real-time continuous monitoring function is described in detail below with reference to accompanying drawing.
embodiment 1:
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 6, the utility model provides a kind of plunger assembly with pressure and temperature real-time continuous monitoring function, comprise fishing head 9 and the plunger barrel 10 being connected to fishing head 9 lower end, the pressure thermometer seating nipple 11 coaxial with plunger barrel 10 is connected with in plunger barrel 10, described pressure thermometer seating nipple 11 comprises the battery 12 being positioned at pressure thermometer seating nipple 11, temperature pick up 18 and pressure sensor 1, data converter 13, battery 12 respectively with temperature pick up 18, pressure sensor 1, data converter 13 electrically connects, temperature pick up 18, pressure sensor 1 all connects with data converter 13.
The pressure measurement signal collected is transferred to data converter 13 by pressure sensor 1, processes through data converter 13, and meanwhile, the temperature measurement signal collected is transferred to data converter 13 by temperature pick up 18, processes through data converter 13.
Data monitoring and gas well liquid loading carry out simultaneously, eliminate wireline logging operation.Whole system structure is simple, and operating efficiency is high, and safety is good, need not implement closing well, ensure that the stable yields of gas well.This technology can be used for the liquid discharging gas producing operation of all kinds of gas well, comprises gas reservoir stress discern gas well, the condensate well, fine and close rock gas well, shale gas gas well, coal bed gas gas well etc. in exploitation later stage routine and unconventional gas reservoir development well.
To the demand of the monitoring of plunger pressure and temperature real-time continuous and data processing when the utility model can meet the discharge opeing of Oil/gas Well plunger lift.
embodiment 2:
A kind of plunger assembly with pressure and temperature real-time continuous monitoring function, comprise fishing head 9 and the plunger barrel 10 being connected to fishing head 9 lower end, the pressure thermometer seating nipple 11 coaxial with plunger barrel 10 is provided with in plunger barrel 10, the lower end of this pressure thermometer seating nipple 11 is connected with the lower end of plunger barrel 10, described pressure thermometer seating nipple 11 comprises the battery 12 being positioned at pressure thermometer seating nipple 11, temperature pick up 18 and pressure sensor 1, data converter 13, battery 12 respectively with temperature pick up 18, pressure sensor 1, data converter 13 is electrically connected, temperature pick up 18, pressure sensor 1 all connects with data converter 13, described data converter 13 comprises signal processing circuit 4, connects with pressure sensor 1, and the piezoelectricity for pressure measurement signal is changed, A/D change-over circuit I5, connects with signal processing circuit 4, for changing the A/D of pressure measurement signal, temperature sensing circuit 2, connects with temperature pick up 18, for the temperature of gaging pressure sense photosensitive elements, and this temperature value is used for temperature-compensating and the nonlinear compensation of measuring process, A/D change-over circuit II 6, connects with temperature sensing circuit 2, for changing the A/D of temperature measurement signal, microprocessor 3, connects with A/D change-over circuit I5, A/D change-over circuit II 6 respectively, according to pressure measurement signal and the temperature measurement signal of Real-time Obtaining, then uses temperature-compensating and nonlinear compensation to draw pressure measuring value and measured temperature, memory 8, connects with microprocessor 3, for pressure measuring value and measured temperature being stored in the memory 8, communication module 7, connects with memory 8, and by the information transmission in memory 8 to the data transmission system 16 outside plunger barrel 10, data transmission system 16 connects with the SGP data management analysis module 17 outside plunger barrel 10.
The temperature signal of reception and pressure signal to be transferred to the data transmission system 16 outside plunger barrel 10 by described data converter 13 by communication module 7, data transmission system 16 connects with the SGP data management analysis module 17 outside plunger barrel 10.
Data converter 13 sends to the data transmission system 16 outside plunger barrel 10 by communication module 7, data transmission system 16 is the communication transferring equipment realizing remote monitoring, ensure that the service data of produced on-site well SGP data management analysis module 17, the SGP data management analysis module 17 passed back in time outside plunger barrel 10 is that the pressure and temperature data of plunger running status for receiving carry out Treatment Analysis.
SGP data management analysis module 17 is existing mature technologies, wherein, SGP is the abbreviation of statisticsgenerationprogram statistical generation program and statisticsgatheringprogram statistical collection routine, being widely used of data management and analysis system, generally be mainly used in the data analysis process that will gather, the utility model is then utilize mineralization pressure curve after the 17 pairs of analysiss of data collected of SGP data management analysis module, by the analysis to curve, the operating condition of plunger can be recognized, concrete analysis result is as follows: as shown in Figure 5
1. ~ 3. there is a flex point, and 2. stage curve smoothing, being judged as it being 1. plunger dropping process in gas column, is 2. after plunger drops down onto base, the pressure recover process of gas well self;
1. used time in stage 69min, well depth 3516 meters, calculating plunger falling speed in gas column is 51m/min;
2. used time in stage 51min, pressure raises 0.54MPa, and calculating this well pressure resume speed is 0.01MPa/min;
3. the stage is plunger and fluid column running in pit shaft, used time 15min, and mean speed of piston plunger is 233m/min, very fast, about slower close to ground when velocity variations rule is for starting;
4. the stage is discharge opeing process, used time 3min; Can calculate, after plunger arrives, oil pressure raises 0.6MPa, and namely arriving well head liquid-column height is 60m, liquid measure 0.18m
3; 3 minutes drained 60m fluid columns, so following at the velocity of plunger of fluid column end is also be down to 20m/min by the speed of the 233m/min in shaft bottom, illustrate velocity of plunger Changing Pattern for toggle speed after driving a well very fast, more slower close to ground.
Need to further illustrate, plunger comes and goes between well head and shaft bottom, constantly by pressure, the temperature data storage forwarding of the pit shaft inner plunger of measurement, for SGP data management analysis module analysis.This plunger assembly is positioned at pit shaft inside; top and the bottom of pit shaft are respectively equipped with damper; effect prevents plunger to fly out well head or fall into shaft bottom, and impact force when buffer plunger arrives well head and shaft bottom, the pressure thermometer seating nipple of plunger inner core is played a protective role.
As shown in Figure 4, described data transmission system 16 comprises MCU controller 1610, the GPRS wireless module 1601 connected with MCU controller 1610 respectively, RS485 expansion module 1602, RS485 local communication module 1603, FRAM data storage 1604, RTC high precision clock 1605, RS485 instrument communication module 1606, and the battery 1607 to connect with MCU controller 1610, the solar charging/discharging manager 1608 connected with battery 1607, and the photovoltaic battery panel 1609 connected with solar charging/discharging manager 1608.Concrete, photovoltaic battery panel 1609 adopts 47W/12V, and battery 1607 adopts 12V/100Ah.
embodiment 3:
On the basis of embodiment 2, further, described communication module 7 is any one in WLAN, NFC, WIFI-Dircet, bump, 2G, 4G, bluetooth, wifi, zige-bee, GPRS, 3G, USB module.Can according to the actual conditions at scene, select that above-mentioned wherein any one, as communication module 7, realizes the wireless transmission of signal.
embodiment 4:on the basis of embodiment 1, described pressure sensor 1 is piezoresistive pressure sensor.Adopt piezoresistive pressure sensor, there is stability high, advantage easy to adjust.
embodiment 5:on the basis of embodiment 1, it should be noted that, in order to take the pressure and temperature in plunger barrel 10 accurately, the outer wall lower end of described pressure thermometer seating nipple 11 is connected by connecting thread 15 with the inwall lower end of plunger barrel 10.
embodiment 6:on the basis of embodiment 1, as shown in Figure 2, the lower end outer wall of described pressure thermometer seating nipple 11 is arranged with sealing ring 14, improve the sealing performance between pressure thermometer seating nipple 11 and plunger barrel 10, avoid in liquid inlet pressure thermometer seating nipple 11, cause battery 12 or temperature pick up 18, pressure sensor 1, data converter 13 is malfunctioning even damages.
The utility model provides the plunger assembly with pressure and temperature real-time continuous monitoring function, this device comprises pressure thermometer seating nipple, plunger barrel, pressure thermometer seating nipple is positioned at the central part of plunger barrel, plunger barrel and pressure thermometer seating nipple form the main body of plunger assembly, and damper lays respectively at bottom and the top of pit shaft.The built-in measuring apparatus of pressure thermometer seating nipple and communication module, during for gas well liquid loading, plunger comes and goes between well head and shaft bottom, constantly utilize communication module to reach ground in real time continuously in the mode of Wireless Data Transmission the down-hole plunger operation conditions downforce of measurement and temperature data, the pressure and temperature data of the plunger running status received are carried out Treatment Analysis by SGP data management analysis module.Data monitoring and gas well liquid loading carry out simultaneously, eliminate wireline logging operation.Whole system structure is simple, and operating efficiency is high, and safety is good, need not implement closing well, ensure that the stable yields of gas well.This technology can be used for the liquid discharging gas producing operation of all kinds of gas well, comprises gas reservoir stress discern gas well, the condensate well, fine and close rock gas well, shale gas gas well, coal bed gas gas well etc. in exploitation later stage routine and unconventional gas reservoir development well.
To the demand of the monitoring of plunger pressure and temperature real-time continuous and data processing when the utility model can meet the discharge opeing of Oil/gas Well plunger lift.
More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection domain of the present utility model with the same or analogous design of the utility model.The parts that the present embodiment does not describe in detail and structure belong to the well-known components of the industry and common structure or conventional means, do not describe one by one here.
Claims (7)
1. one kind has the plunger assembly of pressure and temperature real-time continuous monitoring function, comprise fishing head (9) and be connected to the plunger barrel (10) of fishing head (9) lower end, it is characterized in that: in plunger barrel (10), be connected with the pressure thermometer seating nipple (11) coaxial with plunger barrel (10), described pressure thermometer seating nipple (11) comprises the battery (12) being positioned at pressure thermometer seating nipple (11), temperature pick up (18) and pressure sensor (1), data converter (13), battery (12) respectively with temperature pick up (18), pressure sensor (1), data converter (13) electrically connects, temperature pick up (18), pressure sensor (1) all connects with data converter (13).
2. a kind of plunger assembly with pressure and temperature real-time continuous monitoring function as claimed in claim 1, it is characterized in that: the temperature signal of reception and pressure signal are transferred to plunger barrel (10) data transmission system outward (16) by communication module (7) by described data converter (13), data transmission system (16) and plunger barrel (10) SGP data management analysis module (17) outward connects.
3. a kind of plunger assembly with pressure and temperature real-time continuous monitoring function as claimed in claim 2, it is characterized in that: described data transmission system (16) comprises MCU controller (1610), the GPRS wireless module (1601) connected with MCU controller (1610) respectively, RS485 expansion module (1602), RS485 local communication module (1603), FRAM data storage (1604), RTC high precision clock (1605), RS485 instrument communication module (1606), and the battery (1607) to connect with MCU controller (1610), the solar charging/discharging manager (1608) connected with battery (1607), and the photovoltaic battery panel (1609) to connect with solar charging/discharging manager (1608).
4. a kind of plunger assembly with pressure and temperature real-time continuous monitoring function as claimed in claim 2, is characterized in that: described communication module (7) is any one in WLAN, NFC, WIFI-Dircet, bump, 2G, 4G, bluetooth, wifi, zige-bee, GPRS, 3G, USB module.
5. a kind of plunger assembly with pressure and temperature real-time continuous monitoring function as claimed in claim 1, is characterized in that: described pressure sensor (1) is piezoresistive pressure sensor.
6. a kind of plunger assembly with pressure and temperature real-time continuous monitoring function as claimed in claim 1, is characterized in that: the outer wall lower end of described pressure thermometer seating nipple (11) and the inwall lower end of plunger barrel (10) are connected by connecting thread (15).
7. a kind of plunger assembly with pressure and temperature real-time continuous monitoring function as claimed in claim 1, is characterized in that: the lower end outer wall of described pressure thermometer seating nipple (11) is arranged with sealing ring (14).
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| CN201520695833.4U CN205078244U (en) | 2015-09-10 | 2015-09-10 | Plunger device with real -time continuous monitor function of pressure and temperature |
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| CN201520695833.4U CN205078244U (en) | 2015-09-10 | 2015-09-10 | Plunger device with real -time continuous monitor function of pressure and temperature |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499623A (en) * | 2016-10-14 | 2017-03-15 | 中国石油天然气股份有限公司 | A kind of plunger for carrying buffering and gas lift liquid drainage production method and application |
| CN107989599A (en) * | 2017-12-28 | 2018-05-04 | 贵州航天凯山石油仪器有限公司 | The low-consumption wireless communication system and method for a kind of circuit die meter |
| 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 |
| CN109386259A (en) * | 2017-08-09 | 2019-02-26 | 中国石油天然气股份有限公司 | A kind of self-operated type plunger system |
| CN113294145A (en) * | 2021-07-14 | 2021-08-24 | 中国石油天然气股份有限公司 | Underground pressure and temperature mapping method |
-
2015
- 2015-09-10 CN CN201520695833.4U patent/CN205078244U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499623A (en) * | 2016-10-14 | 2017-03-15 | 中国石油天然气股份有限公司 | A kind of plunger for carrying buffering and gas lift liquid drainage production method and application |
| CN106499623B (en) * | 2016-10-14 | 2018-08-14 | 中国石油天然气股份有限公司 | A kind of gas lift liquid drainage production method of the plunger of included buffering |
| 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 |
| 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 |
| CN109386259A (en) * | 2017-08-09 | 2019-02-26 | 中国石油天然气股份有限公司 | A kind of self-operated type plunger system |
| CN107989599A (en) * | 2017-12-28 | 2018-05-04 | 贵州航天凯山石油仪器有限公司 | The low-consumption wireless communication system and method for a kind of circuit die meter |
| CN107989599B (en) * | 2017-12-28 | 2021-05-28 | 贵州航天凯山石油仪器有限公司 | Low-power-consumption wireless communication system and method for plunger pressure gauge |
| CN113294145A (en) * | 2021-07-14 | 2021-08-24 | 中国石油天然气股份有限公司 | Underground pressure and temperature mapping method |
| CN113294145B (en) * | 2021-07-14 | 2024-03-19 | 中国石油天然气股份有限公司 | Underground pressure and temperature mapping method |
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