CN108457641B - Portable bailing type pumping unit pump condition diagnosis device - Google Patents
Portable bailing type pumping unit pump condition diagnosis device Download PDFInfo
- Publication number
- CN108457641B CN108457641B CN201810560666.0A CN201810560666A CN108457641B CN 108457641 B CN108457641 B CN 108457641B CN 201810560666 A CN201810560666 A CN 201810560666A CN 108457641 B CN108457641 B CN 108457641B
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- pumping unit
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- bracket
- load
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- 238000005086 pumping Methods 0.000 title claims abstract description 45
- 238000003745 diagnosis Methods 0.000 title claims description 31
- 238000006073 displacement reaction Methods 0.000 claims abstract description 42
- 238000012545 processing Methods 0.000 claims abstract description 42
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 10
- 238000010586 diagram Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 239000003921 oil Substances 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910000601 superalloy Inorganic materials 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/008—Monitoring of down-hole pump systems, e.g. for the detection of "pumped-off" conditions
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model provides a portable bailing pumping unit pump condition diagnostic device, includes the support, sets up the guide pulley of arranging on the support and from top to bottom, sets up the regulating plate at the support back through clearance adjustment mechanism, sets up the signal processing case of shaft and built-in signal processing unit on the regulating plate, installs the detection pulley on the shaft, the detection pulley is located the guide pulley contralateral side and is located the intermediate position of the guide pulley of arranging from top to bottom on the shaft set up load displacement integrated sensor, set up the antenna on the signal processing case, set up the lithium cell group that is used for supplying power for signal processing unit, load displacement integrated sensor in the support outside, set up mounting fixture in the support bottom. The device provides scientific basis for bailing type pumping unit well manager, can adapt to flexible sucker rod of different specifications, and test result is accurate, has made things convenient for staff's on-the-spot measurement, and convenient dismantlement, quick installation have improved bailing type pumping unit's work efficiency.
Description
Technical Field
The invention relates to a diagnosis device for oil well pump conditions, in particular to a portable diagnosis device for pump conditions of a bailing type oil pumping unit.
Background
The bailing type pumping unit is a novel pumping unit, and adopts a displacement lifting mode different from that of the traditional pumping unit. The bailing type pumping unit is connected with an underground oil pump by adopting a flexible pumping rod (a steel wire rope), and a motor drives a winding drum to rotate through a transmission device during the upstroke, so that the flexible pumping rod is wound on the winding drum, and the oil pump is lifted to a preset height. The motor rotates reversely during the downstroke, and falls to the preset position under the well by the dead weight of the oil pump and the flexible sucker rod, thus completing the oil pumping round trip. After one pumping round trip is completed, according to the condition of recovering underground crude oil, waiting for a period of time and then carrying out the next pumping round trip. Compared with the traditional beam pumping unit, the bailing type pumping unit has the characteristics of long round trip time of single pumping and discontinuous operation. The pump condition diagnosis technology of the traditional beam pumping unit is already mature, but the bailing pumping unit does not have the pump condition diagnosis technology at present.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a portable pump condition diagnosis device for a bailing type pumping unit.
The technical scheme of the invention is as follows:
the utility model provides a portable bailing type pumping unit pump condition diagnostic device, includes the support, sets up on the support and the guide pulley of arranging from top to bottom, its special character is: the device comprises a support, a gap adjusting mechanism, an adjusting plate, a wheel shaft, a signal processing box, a detection pulley, a load displacement integrated sensor, an antenna, a lithium battery pack, a fixing clamp and a lithium battery pack, wherein the adjusting plate is arranged behind the support through the gap adjusting mechanism, the wheel shaft and the signal processing box with a built-in signal processing unit are arranged on the adjusting plate, the detection pulley is arranged on the wheel shaft, the detection pulley is located on the opposite side of the guide pulley and is located in the middle of the guide pulley which is arranged up and down, the load displacement integrated sensor is arranged on the wheel shaft, the antenna is arranged on the signal processing box, the lithium battery pack is arranged on the outer side of the support and is used for supplying power to the signal processing unit and the load displacement integrated sensor, and the fixing clamp is arranged at the bottom end of the support.
Further, the gap adjusting mechanism comprises a positioning bolt 32 arranged in a strip-shaped hole 301 on the left side plate of the bracket 10, a connecting plate 17 fixedly arranged on the right side plate of the adjusting plate 3, a screw-nut mechanism 18 provided with an adjusting wrench 9 and arranged between the right side plate of the bracket 10 and the connecting plate 17, and an adjusting gap is arranged between the right side plate of the bracket 10 and the connecting plate 17.
Further, a front-rear position fixing bolt 19 is arranged between the adjusting plate 3 and the left side plate of the bracket 10, a locking plate 20 is fixedly arranged on the right side plate of the bracket 10 corresponding to the position of the screw nut mechanism 18, and a set screw 21 with the head propped against the connecting plate 17 is arranged on the locking plate 20.
Further, the support 10 is provided with scales 22 corresponding to the positions of the adjusting plates 3, the adjusting plate 9 is rotated, the adjusting plates 3 are driven to transversely move to the corresponding scale positions through the screw-nut mechanism, and the contact positions of the detecting pulleys 13 and the flexible sucker rods can be changed, so that the flexible sucker rods are suitable for flexible sucker rods of different specifications.
Further, a load sensor 11 is arranged on a shaft head of the wheel shaft 16, a baffle plate 23 is arranged on the adjusting plate 3 corresponding to the position of the load sensor 11 through a screw, and the load sensor 11 is clamped by the baffle plate 23; a displacement sensor 15 is provided at a position corresponding to the wheel axle 16, and the load sensor 11 and the displacement sensor constitute a load/displacement integrated sensor.
Further, the displacement sensor 15 adopts an incremental encoder with rotation direction identification, so as to realize linear displacement detection of the flexible sucker rod with a larger displacement stroke.
Further, the signal processing box 2 is hinged on the left side plate of the adjusting plate 3, and the displacement sensor 15 is fixed on the bottom plate of the signal processing box 2 through a screw 26.
Further, a connecting seat 7 is arranged at the bottom end of the support, and the fixing clamp 6 is arranged on the connecting seat 7.
Furthermore, the pumping unit pump condition diagnosis device is also provided with a handheld data acquisition terminal 14, wherein the handheld data acquisition terminal 14 is a portable intelligent integrated machine based on a high-performance MCU, and the load and displacement signal reading, the indicator diagram generation and the data graph storage and query are realized in a wireless mode.
Further, the signal processing unit 25 is composed of a central processor MCU, a high-precision analog-to-digital converter connected to the load signal input end of the central processor MCU, a data memory connected to the central processor MCU, a communication circuit and a WIFI wireless module, and is responsible for receiving and processing the load signal and displacement signal, and transmitting the signal
And (5) outputting wirelessly.
The beneficial effects of the invention are as follows:
1. the invention relates to a pump condition diagnosis device designed for a bailing oil extraction process of driving a winch by a motor and driving an oil pump to bail oil by a flexible sucker rod (a steel wire rope). Under the working condition that the bailing type pumping unit changes the pumping mode of the traditional beam pumping unit, the bailing indicator diagram is tested by collecting, processing load and displacement signals, meanwhile, the diagnosis of the working state of the pumping unit pump condition is realized, whether the working system of the oil well is reasonable is explained, meanwhile, the leakage of the pump is diagnosed, the rod is disconnected, various fault states such as sand outlet, wax precipitation, pump clamping and the like are provided for a bailing type pumping unit well manager.
2. The adjusting plate is arranged behind the support through the gap adjusting mechanism, the wheel shaft and the detection pulley are arranged on the adjusting plate, and the contact position between the detection pulley and the flexible sucker rod can be adjusted through the gap adjusting mechanism so as to adapt to flexible sucker rods with different specifications and ensure accurate test results.
3. The handheld data acquisition terminal is utilized to realize the reading of load and displacement signals, the generation of indicator diagrams and the storage and inquiry of data graphs in a wireless mode. The wireless communication design mode realizes that the pump condition diagnosis device does not need to be externally powered when the wellhead oil fishing work, and can be diagnosed without a cable connection handheld data acquisition terminal, thereby facilitating the field measurement of staff.
4. The portable load and displacement integrated design realizes convenient disassembly and quick installation, and improves the working efficiency of the bailing type pumping unit.
Drawings
FIG. 1 is a schematic diagram of the structural components of a pumping unit pump condition diagnostic device of the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a B-B cross-sectional view of FIG. 2;
fig. 5 is a block diagram of the signal processing unit circuit of the present invention.
In the figure: 1. antenna, 2, signal processing case, 3, adjustment plate, transverse bar hole 301,4, power connection, 5, battery pack, 6, mounting fixture, 7, connection base, 8, guide pulley, 9, wrench, 10, bracket, 11, load sensor, 12, power socket, 13, detection pulley, 14, hand-held data acquisition terminal, 15, displacement sensor, 16, axle, 17, connection plate, 18, screw and nut mechanism, 19, fixing bolt, 20, locking plate, 21, set screw, 22, scale, 23, mounting flap, 24, O-ring, 25, signal processing unit, 26, screw, 27, fixing base, 28, pin, 29, connection base, 30, articulation bolt, 31, wrench, 32.
Detailed Description
As shown in fig. 1, 2, 3 and 4, the portable bailing type pumping unit pump condition diagnosis device comprises a support 10, wherein two guide pulleys 8 which are arranged up and down are arranged on the support 10, an adjusting plate 3 is arranged behind the support through a gap adjusting mechanism, the gap adjusting mechanism comprises a positioning bolt 32 which is arranged in a strip-shaped hole 301 on a left side plate of the support 10, a connecting plate 17 which is fixedly arranged on a right side plate of the adjusting plate 3, a screw nut mechanism 18 which is arranged between the right side plate of the support 10 and the connecting plate 17 and is provided with an adjusting wrench 9, an adjusting gap is arranged between the right side plate of the support 10 and the connecting plate 17, the adjusting wrench 9 is connected with a nut of the screw nut mechanism 18, and a screw of the screw nut mechanism 18 is hinged on the connecting plate 17. A front-rear position fixing bolt 19 is arranged between the adjusting plate 3 and the left side plate of the bracket 10, a locking plate 20 is fixedly arranged on the right side plate of the bracket 10 corresponding to the position of the screw nut mechanism 18, and a set screw 21 with the head propped against the connecting plate 17 is arranged on the locking plate 20. The scale 22 is arranged on the bracket 10 corresponding to the position of the adjusting plate 3, the adjusting wrench 9 is rotated, the adjusting plate 3 is driven to move back and forth to the corresponding scale position by the screw-nut mechanism, and the contact position of the detecting pulley 13 and the flexible sucker rod can be changed, so that the flexible sucker rod is suitable for flexible sucker rods of different specifications.
The adjusting plate 3 is provided with an axle 16 and a signal processing box 2 with a built-in signal processing unit 25, the signal processing box 2 is positioned outside the left side of the adjusting plate 3 and is hinged with the adjusting plate 3, an O-shaped sealing ring 24 is arranged between the axle 16 and the bottom plate of the signal processing box 2, the axle 16 is provided with a detection pulley 13, and the detection pulley 13 is positioned on the opposite side of the guide pulley 8 and is positioned in the middle position of the two guide pulleys 8 which are arranged up and down.
The axle head of the axle 16 is provided with a load sensor 11, and the load sensor 11 adopts a high-performance alloy steel elastomer to realize load detection of the flexible sucker rod. A blocking piece 23 is arranged on the adjusting plate 3 corresponding to the position of the load sensor 11 through a screw, a clamping groove is formed in the position of the load sensor 11 corresponding to the blocking piece 23, and the blocking piece 23 is inserted into the clamping groove to clamp the load sensor 11; and a displacement sensor 15 is arranged on the bottom plate of the signal processing box 2 at a position corresponding to the wheel shaft 16 through a screw 26, and the displacement sensor 15 adopts an incremental encoder with rotation direction identification to realize linear displacement detection of the flexible sucker rod with a large displacement stroke. The load sensor 11 and the displacement sensor constitute a load and displacement integrated sensor.
The antenna 1 is arranged on the signal processing box 2, the lithium battery pack 5 is arranged on the outer end face of the left side plate of the support 10, the lithium battery pack 5 is connected with the signal processing unit 25 and the load displacement integrated sensor through the power supply connecting wire 4, the connecting seat 7 is arranged at the bottom end of the support 10, and the fixing clamp 6 is arranged on the connecting seat 7. The fixing clamp 6 comprises a fixing seat 27, a connecting seat 29 and a pin 28 connected between the fixing seat 27 and the connecting seat 29, the other ends of the fixing seat 27 and the connecting seat 29 are connected through a movable joint bolt 30, and the depth of the movable joint bolt 30 is controlled through a fixing clamp wrench 31 so as to control the tightness between the fixing seat and the connecting seat.
The signal processing box 2 with the built-in signal processing unit 25 is hinged on the left side plate of the adjusting plate 3, and the displacement sensor 15 is fixed on the bottom plate of the signal processing box 2 through a screw 26. The surface of the signal processing box 2 is provided with a power supply socket 12, the signal processing box 2 is provided with an antenna 1, the lower part of the left side plate of the bracket 10 is provided with a lithium battery pack 5, and the lithium battery pack 5 is connected with the power supply socket 12 through a power line and is used for supplying power to the signal processing unit, the load sensor and the displacement sensor
As shown in fig. 5, the signal processing unit 25 is composed of a central processor MCU, a high-precision analog-to-digital converter connected to the load signal input end of the central processor MCU, a data memory connected to the central processor MCU, a communication circuit and a WIFI wireless module, and is responsible for receiving and processing the load signal and the displacement signal, and outputting the signal wirelessly. The pumping unit pump condition diagnosis device is also provided with a handheld data acquisition terminal 14, wherein the handheld data acquisition terminal 14 is a portable intelligent integrated machine based on a high-performance MCU, and the load and displacement signals are read, the indicator diagram is generated, and the data diagram is stored and inquired in a wireless mode. The wireless communication design mode enables the acquisition equipment to be monitored even in a working field without disassembling the acquisition equipment, and is convenient for the field measurement of staff.
When the intelligent pump condition diagnosis device works, the handheld data acquisition terminal 14 sends a diagnosis detection instruction to the pump condition diagnosis device in a wireless WIFI mode, the flexible sucker rod drives the middle detection pulley 13 of the pump condition diagnosis device to rotate and enable the middle detection pulley to bear force, and the load sensor 11 positioned at the axle head of the axle 16 detects the load change of the flexible sucker rod in real time; a displacement sensor 15 positioned at the other end of the wheel shaft 16 detects the speed and the lifting height change of the flexible sucker rod; the handheld data acquisition terminal 14 acquires real-time load and displacement signals of the pump condition diagnosis device in a wireless WIFI mode, displays and processes the real-time load and displacement, and draws an indicator diagram and stores pump condition diagnosis results.
And (3) a rapid installation process:
(1) Checking a pump condition diagnosis device to confirm that each part is intact;
(2) Unscrewing the adjusting spanner 9 and the fixing jig spanner 31;
(3) Stopping the bailing type pumping unit;
(3) Sleeving a fixing clamp 6 of the pump condition diagnosis device into a packing box of the sucker rod, enabling a jackscrew to be aligned with a groove on the packing box, and screwing a fixing clamp wrench 31;
(4) Placing a flexible sucker rod into grooves of an upper guide pulley 8 and a lower guide pulley 8;
(5) Aligning the grooves of the detection pulleys 13 with flexible sucker rods, and screwing the adjusting plate 3 to the corresponding scale positions through the adjusting spanners 9 according to the flexible sucker rods with different diameters;
(6) Checking whether the installation is perfect;
(7) A power line connecting the battery pack and the signal processing unit;
(8) And (5) finishing installation and standby detection.
After the pump condition diagnosis device is installed, the bailing type pumping unit is started first, and then the hand-held data acquisition terminal 14 is operated to detect and diagnose the pump condition of the bailing type pumping unit.
The rapid unloading process:
the pump condition diagnostic device after the detection can be unloaded.
1. Firstly, stopping the bailing type pumping unit;
2. disconnecting the lithium battery pack 5 from the power line of the signal processing unit 2;
3. opening an adjusting wrench 9 and disassembling the flexible sucker rod;
4. the fixing jig wrench 31 is opened, and the whole diagnostic device is disassembled.
The above is only a specific embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A portable bailing type pumping unit pump condition diagnosis device comprises a bracket and guide pulleys arranged on the bracket and arranged up and down, and is characterized in that an adjusting plate is arranged behind the bracket through a gap adjusting mechanism, a wheel shaft and a signal processing box with a built-in signal processing unit are arranged on the adjusting plate, a detection pulley is arranged on the wheel shaft, the detection pulley is positioned on the opposite side of the guide pulley and positioned in the middle position of the guide pulleys arranged up and down, a load displacement integrated sensor is arranged on the wheel shaft, an antenna is arranged on the signal processing box, a lithium battery pack for supplying power to the signal processing unit and the load displacement integrated sensor is arranged on the outer side of the bracket, and a fixing clamp is arranged at the bottom end of the bracket; the gap adjusting mechanism comprises a positioning bolt arranged in a strip-shaped hole on the left side plate of the bracket, a connecting plate fixedly arranged on the right side plate of the adjusting plate, and a screw rod nut mechanism with an adjusting wrench arranged between the right side plate of the bracket and the connecting plate, wherein an adjusting gap is arranged between the right side plate of the bracket and the connecting plate; a front-back position fixing bolt is arranged between the adjusting plate and the left side plate of the bracket, a locking plate is fixedly arranged on the right side plate of the bracket corresponding to the position of the screw rod nut mechanism, and a set screw with the head propped against the connecting plate is arranged on the locking plate.
2. The portable bailing type pumping unit pump condition diagnosis device according to claim 1, wherein scales are arranged on the bracket corresponding to the positions of the adjusting plates.
3. The portable bailing type pumping unit pump condition diagnosis device according to claim 1, wherein a load sensor is arranged on a shaft head of a wheel shaft, a baffle plate is arranged on an adjusting plate at a position corresponding to the load sensor through a screw, and the load sensor is clamped by the baffle plate; and a displacement sensor is arranged at the position corresponding to the wheel axle, and the load sensor and the displacement sensor form a load and displacement integrated sensor.
4. The portable bailing type pumping unit pump condition diagnosis device according to claim 3, wherein the displacement sensor adopts an incremental encoder with rotation direction discrimination.
5. The portable bailing type pumping unit pump condition diagnosis device according to claim 3, wherein the signal processing box is hinged on the left side plate of the adjusting plate, and the displacement sensor is fixed on the bottom plate of the signal processing box through screws.
6. The portable bailing type pumping unit pump condition diagnosis device according to claim 1, wherein the connecting seat is arranged at the bottom end of the bracket, and the fixing clamp is arranged on the connecting seat.
7. The portable bailing type pumping unit pump condition diagnosis device according to claim 1, wherein the pumping unit pump condition diagnosis device is further provided with a handheld data acquisition terminal, and the load and displacement signal reading, the indicator diagram generation and the data diagram storage and query are realized in a wireless mode.
8. The portable bailing type pumping unit pump condition diagnosis device according to claim 1, wherein the signal processing unit is composed of a central processor MCU, a high-precision analog-to-digital converter connected to a load signal input end of the central processor MCU, a data memory connected with the central processor MCU, a communication circuit and a WIFI wireless module, and is responsible for receiving and processing load signals and displacement signals and outputting the signals wirelessly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810560666.0A CN108457641B (en) | 2018-05-25 | 2018-05-25 | Portable bailing type pumping unit pump condition diagnosis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810560666.0A CN108457641B (en) | 2018-05-25 | 2018-05-25 | Portable bailing type pumping unit pump condition diagnosis device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108457641A CN108457641A (en) | 2018-08-28 |
| CN108457641B true CN108457641B (en) | 2023-11-21 |
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ID=63216063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810560666.0A Active CN108457641B (en) | 2018-05-25 | 2018-05-25 | Portable bailing type pumping unit pump condition diagnosis device |
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| Country | Link |
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| CN (1) | CN108457641B (en) |
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|---|---|---|---|---|
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| CN204591253U (en) * | 2015-01-06 | 2015-08-26 | 北京伯仲佳和石油技术开发有限公司 | A kind of electricity ginseng dynamometer card analysis instrument |
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| CN205823267U (en) * | 2016-07-29 | 2016-12-21 | 哈尔滨理工大学 | Use the integrated oil well indicator diagram measuring device of acceleration transducer |
| CN106854986A (en) * | 2016-12-15 | 2017-06-16 | 中国石油天然气股份有限公司 | A kind of polished rod of pumping well indicator card calculating system and its measuring method |
| US20170211365A1 (en) * | 2016-01-22 | 2017-07-27 | Trc Services, Inc. | Automatic sucker rod spacing device |
| CN208267834U (en) * | 2018-05-25 | 2018-12-21 | 锦州锦研科技有限责任公司 | Portable bailing formula oil pumping pump condition diagnostic device |
-
2018
- 2018-05-25 CN CN201810560666.0A patent/CN108457641B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2163868Y (en) * | 1993-03-30 | 1994-05-04 | 湖北省沙市市电子研究所 | Working condition data collector for portable beam-pumping unit |
| CN2246709Y (en) * | 1995-08-22 | 1997-02-05 | 大庆石油管理局油田建设设计研究院 | Portable function diagram and liquid measuring instrument for well pumping unit |
| CN200972388Y (en) * | 2006-09-20 | 2007-11-07 | 济南新吉纳远程测控有限公司 | Displacement collection device for belt beam unit ergogram |
| CN101694408A (en) * | 2009-09-30 | 2010-04-14 | 陈荡 | Test method for indicator diagram of belt-type and chain-type pumping well |
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| CN204591253U (en) * | 2015-01-06 | 2015-08-26 | 北京伯仲佳和石油技术开发有限公司 | A kind of electricity ginseng dynamometer card analysis instrument |
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| CN205823267U (en) * | 2016-07-29 | 2016-12-21 | 哈尔滨理工大学 | Use the integrated oil well indicator diagram measuring device of acceleration transducer |
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| CN208267834U (en) * | 2018-05-25 | 2018-12-21 | 锦州锦研科技有限责任公司 | Portable bailing formula oil pumping pump condition diagnostic device |
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| Publication number | Publication date |
|---|---|
| CN108457641A (en) | 2018-08-28 |
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