CN108590632B - Downhole sucker rod string parameter tester - Google Patents
Downhole sucker rod string parameter tester Download PDFInfo
- Publication number
- CN108590632B CN108590632B CN201810474407.6A CN201810474407A CN108590632B CN 108590632 B CN108590632 B CN 108590632B CN 201810474407 A CN201810474407 A CN 201810474407A CN 108590632 B CN108590632 B CN 108590632B
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- Prior art keywords
- sensor
- tester
- thread
- sucker rod
- main body
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- 230000005489 elastic deformation Effects 0.000 claims abstract description 44
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 11
- 229910052744 lithium Inorganic materials 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 6
- 230000001133 acceleration Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 238000011900 installation process Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010913 used oil Substances 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
- E21B47/009—Monitoring of walking-beam pump systems
-
- 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
- E21B47/007—Measuring stresses in a pipe string or casing
-
- 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
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
- E21B47/017—Protecting measuring instruments
-
- 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
- E21B47/06—Measuring temperature or pressure
-
- 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
- E21B47/06—Measuring temperature or pressure
- E21B47/07—Temperature
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)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses an underground sucker rod string parameter tester, wherein an upper joint and a tester main shell are of an integrated structure, the upper joint and the tester main shell have no break points, the strength between the tester main shell and the upper joint is effectively ensured, and a sensor main body is of an integrated structure, and other components are respectively arranged on the sensor main body, so that the strength is ensured no matter in the installation process or in the use process, the sensor main body integrally rotates when the main shell is arranged or disassembled, and related components of the sensor main body cannot relatively rotate, so that the sensor main body and the components arranged on the sensor main body cannot be damaged. Meanwhile, the actual tensile stress can be measured by utilizing the load sensor diaphragm coupled with the column type elastic deformation body, and the actual stress condition of the underground sucker rod column in the working state can be effectively measured.
Description
Technical Field
The invention relates to the field of petroleum metering and testing, in particular to a downhole sucker rod string parameter tester.
Background
The sucker-rod pumping is one of the most widely used oil extraction modes in the current oil fields at home and abroad. The underground sucker rod plays a role in the production process, once the sucker rod has a problem, normal production of an oil well cannot be carried out, and stability of a sucker rod string is a key factor affecting the pump detection period of the oil pumping well.
In wellbore conditions, the rod string system is extremely complex in stress, resulting in a reduced fatigue limit for the string and a greater susceptibility to fatigue failure. However, due to the influence of the factors such as the well track, the viscosity of produced fluid, the friction force between the sucker rod and the pipe wall, the impact force generated in the motion process of the sucker rod, the working system of the pumping unit and the like, a large number of various forces which cannot be calculated quantitatively exist in the sucker rod string system. In addition, the current testing device completes measurement in a mode of being connected in series on the sucker rod when working under a shaft, fatigue damage is very easy to occur, and the damage service life of the testing device is reduced.
Therefore, how to effectively measure the stress condition of the downhole sucker rod string while guaranteeing the durability of the testing device is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide an underground sucker rod string parameter tester, so as to effectively measure the stress condition of an underground sucker rod string and ensure the durability of the tester.
In order to achieve the above purpose, the embodiment of the present invention provides the following technical solutions:
A downhole sucker rod string parameter tester comprising:
The device comprises an upper connector and a tester main shell, wherein the upper connector and the tester main shell are of an integrated structure, and a preset part of the tester main shell is provided with a first thread;
A lower joint; wherein, the preset part of the lower joint is provided with a second thread;
a sensor body; the sensor main body is provided with a column-type deformation body at a preset position, a control circuit component is arranged between the first end of the sensor main body, which is connected with the upper joint, and the column-type deformation body is coupled with a load sensor diaphragm, and the load sensor diaphragm is electrically connected with the control circuit component; the column type elastic deformation body and the control circuit component are positioned in the tester main shell;
a third thread is arranged at a preset position between the column type elastic deformation body and the first end, and a fourth thread is arranged at a preset position between the column type elastic deformation body and the second end of the sensor main body connected with the lower joint; the sensor main body is connected with the tester main shell through the first thread and the third thread, and is connected with the lower joint through the second thread and the fourth thread.
Wherein the control circuit assembly comprises:
The lithium battery is electrically connected with the printed board assembly; the printed board assembly comprises a control circuit printed board, an MCU and an ADC.
The lithium battery is sleeved with a battery compartment outside, the printed board assembly is sleeved with a printed board protection cylinder outside, and the battery compartment and the printed board protection cylinder are of an integrated structure.
And the preset part of the sensor main body is also provided with an acceleration sensor electrically connected with the control circuit component.
The bottom of the sensor main body is provided with a liquid pressure sensor electrically connected with the control circuit assembly, and the lower joint is provided with a pressure transmission hole for enabling liquid to flow to the liquid pressure sensor.
Wherein, the sensor main part with be equipped with the sealing washer between the tester main casing.
And the preset part of the sensor main shell is also provided with a data communication socket which is electrically connected with the control circuit component.
Wherein the diameter of the columnar elastic deformation body is smaller than a preset threshold value.
The sensor body is made of TC4 titanium alloy.
Wherein, the column type elastic deformation body is also coupled with a temperature sensor.
The invention provides an oil extraction CHU parameter tester, which comprises an upper joint and a tester main shell, wherein the upper joint and the tester main shell are of an integrated structure, and a preset part of the tester main shell is provided with a first thread;
A lower joint; wherein, the preset part of the lower joint is provided with a second thread;
a sensor body; the sensor main body is provided with a control circuit assembly and a load sensor diaphragm which is electrically connected with the control circuit assembly and is arranged on the column type elastic deformation body of the sensor main body from top to bottom; the column type elastic deformation body and the control circuit component are positioned in the tester main shell;
A third thread and a fourth thread are respectively arranged at the preset part above and the preset part below the column type elastic deformation body; the sensor main body is connected with the tester main shell through the first thread and the third thread, and is connected with the lower joint through the second thread and the fourth thread.
Therefore, the upper joint and the main casing of the underground sucker rod string parameter tester provided by the invention are of an integrated structure, the upper joint and the main casing of the tester have no break points, the strength between the main casing of the tester and the upper joint is effectively ensured, and the sensor main body is of an integrated structure, and other components are respectively arranged on the sensor main body, so that the strength is ensured no matter in the installation process or in the use process, the sensor main body integrally rotates when the main casing is arranged or disassembled, and related components of the sensor main body cannot relatively rotate, so that the sensor main body and the components arranged on the sensor main body cannot be damaged. Meanwhile, the actual tensile stress can be measured by utilizing the load sensor diaphragm coupled with the column type elastic deformation body, and the actual stress condition of the underground sucker rod column in the working state can be effectively measured.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a downhole sucker rod string parameter tester according to an embodiment of the present invention.
In the figure: 1. upper joint, 2 tester main shell, 3 first screw thread, 4 lower joint, 5 second screw thread, 6 sensor main body, 7 control circuit assembly 8, a column type elastic deformation body, 9, a load sensor diaphragm, 10, a third thread, 11, a fourth thread, 12, a lithium battery 13, a control circuit printed board, 14, MCU, 15, ADU, 16, a battery bin, 17, a printed board casing, 18, an acceleration sensor, 19, a liquid pressure sensor, 20, a pressure transmission hole, 21, a sealing ring, 22, a communication socket, 23, a temperature sensor, 24, a power supply positive electrode insulating seat and 25, a cable.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention discloses an underground sucker rod string parameter tester, which is used for effectively measuring the stress condition of an underground sucker rod string and ensuring the durability of the tester.
The embodiment of the invention provides an underground sucker rod string parameter tester, which specifically comprises the following components:
The device comprises an upper connector and a tester main shell, wherein the upper connector and the tester main shell are of an integrated structure, and a preset part of the tester main shell is provided with a first thread;
A lower joint; wherein, the preset part of the lower joint is provided with a second thread;
a sensor body; the sensor main body is provided with a column-type deformation body at a preset position, a control circuit component is arranged between the first end of the sensor main body, which is connected with the upper joint, and the column-type deformation body is coupled with a load sensor diaphragm, and the load sensor diaphragm is electrically connected with the control circuit component; the column type elastic deformation body and the control circuit component are positioned in the tester main shell;
a third thread is arranged at a preset position between the column type elastic deformation body and the first end, and a fourth thread is arranged at a preset position between the column type elastic deformation body and the second end of the sensor main body connected with the lower joint; the sensor main body is connected with the tester main shell through the first thread and the third thread, and is connected with the lower joint through the second thread and the fourth thread.
In this scheme, the top connection of sucker rod string parameter tester in pit and tester main casing are integrated structure, are equipped with first screw thread at the position of predetermineeing of main casing, and the part of this integrated structure is connected fixedly with the sensor main part through first screw thread. Among them, the sensor main body is preferably made of TC4 titanium alloy, and the main body made of the material can resist about 20 tons of pressure.
The preset part of the sensor main body is a column type elastic deformation body, the diameter of the column type elastic deformation body is smaller than a preset threshold value, the value of the preset threshold value can be specifically set according to the deformation condition of metal, and the column type elastic deformation body is not limited. When the diameter of the preset part of the sensor main body is smaller than the preset threshold value, the part is easier to elastically deform, so that the load sensor diaphragm is coupled with the column type elastic deformation body, and when the downhole sucker rod string parameter tester works, axial tensile force or pressure is applied to the column type elastic deformation body, and axial tensile stress can be measured according to deformation of metal. It should be noted that, the axial stress test of the underground sucker rod in the typical oil well can obtain the stress condition of the sucker rod in a state relatively close to the actual working state, so that the design of the sucker rod can be optimized according to the axial tensile and compressive stress, and the fatigue and eccentric wear damage of the sucker rod can be reduced.
In this embodiment, since the axial tensile stress is measured according to the deformation of the pillar type elastic deformation body, the pillar type elastic deformation body is provided with the point of application of force above and below, respectively.
Therefore, on the sensor main body, a preset part is respectively determined above and below the column type elastic deformation body, a third thread and a fourth thread are arranged, the third thread is matched with the first thread, the integrated structure of the upper joint and the main shell of the tester is connected with the sensor main body, and when axial pulling force or pressure is applied to the integrated structure, the thread connection point of the third thread and the first thread is a force application point above the column type elastic deformation body; the fourth thread is matched with the second thread to connect the lower joint with the sensor main body, and when axial pulling force or pressure is applied to the lower joint, the connection point of the fourth thread and the second thread is a force application point below the column type elastic deformation body.
Since the control circuit assembly is further provided above the columnar elastic deformation body, the point of application of force above the columnar elastic deformation body is preferably provided at a position between the columnar elastic deformation body and the control circuit assembly so as not to damage the control circuit assembly by a tensile force or a compressive force.
In this scheme, because the column type elastic deformation body is coupled with the load sensor diaphragm, and the column type elastic deformation body and the sensor diaphragm are connected with the control circuit components by using cables and the like, in order to ensure the safety and the service life of the components, the components are prevented from being in direct contact with the external environment, and the main shell of the tester is wrapped with the components, that is, the column type elastic deformation body and the control circuit components are all located in the main shell of the tester.
Therefore, the upper joint and the main casing of the underground sucker rod string parameter tester provided by the embodiment of the invention are of an integrated structure, the upper joint and the main casing of the tester are not provided with break points, the strength between the main casing of the tester and the upper joint is effectively ensured, and the sensor main body is of an integrated structure, and other components are respectively arranged on the sensor main body, so that the strength is ensured no matter in the installation process or in the use process, the sensor main body is integrally rotated when the main casing is arranged or disassembled, and the related components of the sensor main body are not relatively rotated, so that the sensor main body and the components arranged on the sensor main body are not damaged. Meanwhile, the actual tensile stress can be measured by utilizing the load sensor diaphragm coupled with the column type elastic deformation body, and the actual stress condition of the underground sucker rod column in the working state can be effectively measured.
A specific downhole sucker rod string parameter tester provided in accordance with embodiments of the present invention is described below, and the downhole sucker rod string parameter tester described below and the above-described embodiments may be referred to with reference to each other.
Referring to fig. 1, a specific downhole sucker rod string parameter tester provided in an embodiment of the present invention specifically includes:
The upper connector 1 and the tester main shell 2 are of an integrated structure, and a preset part of the tester main shell is provided with a first thread 3.
A lower joint 4; wherein, the preset part of the lower joint 4 is provided with a second thread 5.
A sensor body 6; the sensor main body 6 is provided with a column-type deformation body 8 at a preset position, a control circuit component 7 is arranged between the first end of the sensor main body 6 connected with the upper joint 1 and the column-type deformation body 8, the column-type elastic deformation body 8 is coupled with a load sensor diaphragm 9, and the load sensor diaphragm 9 is electrically connected with the control circuit component 7; the column type elastic deformation body 8 and the control circuit assembly 7 are positioned inside the main shell 2 of the tester;
A third thread 10 is arranged at a preset position between the column type elastic deformation body 8 and the first end, and a fourth thread 11 is arranged at a preset position between the column type elastic deformation body 8 and the second end of the sensor main body 6 connected with the lower joint 4; the sensor body 6 is connected to the tester main housing by the first thread 3 and the third thread 10, and is connected to the lower joint 4 by the second thread 5 and the fourth thread 11.
The foregoing embodiments have been described in the foregoing embodiments, and are not repeated herein.
In this scheme, on the sensor main part 6, install control circuit subassembly 7, including lithium cell 12 in the control circuit subassembly 7, be equipped with power positive pole insulating seat 24 below the lithium cell 12, it should be noted that, because the operational environment of sucker rod string parameter tester in the pit is high temperature environment generally, therefore, the lithium cell 12 is the high temperature resistant lithium cell of preference.
A printed board assembly is arranged below the power supply positive electrode insulating part 24, and comprises a control circuit printed board 13, an MCU (Microcontroller Unit, micro control unit) 14 and an ADC (Analog-to-Digital Converter) 15. The MCU14 and the ADC15 are matched with each other to process parameters measured by each sensor. The MCU14 is equipped with a calculation program to calculate a corresponding result from the values obtained by the respective sensors, or may send a corresponding control instruction to the respective sensors.
In order to further ensure the safety of the printed board assembly and the lithium battery 12, a battery compartment 16 may be sleeved on the lithium battery 12, and a printed board casing 17 may be sleeved on the printed board assembly. The battery compartment 16 and the printed board casing are preferably arranged into an integrated structure, so that the installation of the integrated structure is facilitated, and the integral strength of the integrated structure can be ensured.
It should be noted that, in order to conveniently and timely transmit various data collected on the downhole sucker rod string parameter tester to the outside, such as a ground controller, the present embodiment preferably connects the communication socket 22 on the control circuit printed board 13, where the communication socket 22 may be a standard RS-232 serial communication interface.
Of course, a data memory can be installed on the control circuit printed board 13, the data measured by the sensor can be stored into the data memory according to the requirement, and when the data is required to be sent to an external receiver, the data in the data memory can be sent to the receiver, or the required data can be directly obtained from the data memory; instructions may also be pre-stored in the data memory to cause the MCU14 to invoke the pre-stored instructions to perform work.
In this solution, a temperature sensor 23 may also be coupled to the sensor body to measure the temperature of the current working environment. The temperature sensor can be a Pt1000 platinum resistance sensor, the resistance value of the temperature sensor is in direct proportion to the change of the temperature, and the relation between the resistance value of the Pt1000 and the temperature change is as follows: the resistance of Pt1000 is 1000 ohms at 0c and about 1385.005 ohms at 100 c. Its industrial principle: the resistance value can be increased at a constant speed along with the temperature rise.
It should be noted that, since the metal deformation conditions are different under different temperature environments, in order to make the measurement of the axial tensile stress more accurate, the present embodiment performs temperature compensation for the measurement result, preferably, the temperature sensor 23 is coupled to the column elastic deformation body 8, measures the temperature of the column elastic deformation body 8, and feeds back the measurement result to the MCU, so that the measurement result is temperature compensated, and a more accurate stress value is obtained.
An acceleration sensor 18 may be mounted on the sensor body 6, and the corresponding downhole indicator diagram may be calculated from the data measured by the acceleration sensor 18 and the data measured by the load sensor diaphragm 9.
In order to ensure air tightness between the main body 2 and the sensor body 6 of the tester, and prevent substances in the external environment from entering the inside of the sensor body 6, a high-pressure sealing ring 21 may be provided at the bottoms of the main body 2 and the sensor body 6.
In this embodiment, as shown in fig. 1, the cable 25 for connecting the respective electronic devices is preferably provided at a portion not in contact with the external environment, for example, the cable 25 provided on the seal ring 21 may be provided inside the sensor body 6 or outside the sensor body 6, and the seal ring may separate the external environment from the sensor body 6 inside the main tester case 2, so that the cable may not be in contact with the external environment, whether provided outside or inside. And the cable 25 below the sealing ring 21 may be arranged inside the sensor.
In this scheme, can also set up liquid pressure sensor 19 in the bottom of sensor main part 6, set up pressure transmission hole 20 in the preset position of lower clutch 4, liquid pressure sensor 19 can be through the pressure value in the external environment of pressure transmission hole 20 measurement.
It should be noted that the operating ranges of the various sensors, the electronic devices and the power source described in the above embodiments are all selected to be between-20 ℃ and 150 ℃, and specific materials may be selected according to the temperature range and the prior art, and are not limited herein.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A downhole sucker rod string parameter tester comprising:
The device comprises an upper connector and a tester main shell, wherein the upper connector and the tester main shell are of an integrated structure, and a preset part of the tester main shell is provided with a first thread;
A lower joint; wherein, the preset part of the lower joint is provided with a second thread;
A sensor body; the sensor main body is provided with a column type elastic deformation body at a preset position, a control circuit component is arranged between the first end of the sensor main body, which is connected with the upper joint, and the column type elastic deformation body is coupled with a load sensor diaphragm, and the load sensor diaphragm is electrically connected with the control circuit component; the column type elastic deformation body and the control circuit component are positioned in the tester main shell;
A third thread is arranged at a preset position between the column type elastic deformation body and the first end, and a fourth thread is arranged at a preset position between the column type elastic deformation body and the second end of the sensor main body connected with the lower joint; the sensor main body is connected with the tester main shell through the first thread and the third thread, and is connected with the lower joint through the second thread and the fourth thread;
Wherein the control circuit assembly comprises: the lithium battery is electrically connected with the printed board assembly; the printed board assembly comprises a control circuit printed board, an MCU and an ADC;
And an acceleration sensor electrically connected with the control circuit component is further arranged at the preset part of the sensor main body.
2. The downhole sucker rod string parameter tester according to claim 1, wherein a battery compartment is sleeved outside the lithium battery, a printed board casing is sleeved outside the printed board assembly, and the battery compartment and the printed board casing are of an integrated structure.
3. The downhole sucker rod string parameter tester of claim 1, wherein the sensor body bottom is provided with a fluid pressure sensor electrically connected to the control circuit assembly, and the lower joint is provided with a pressure transfer hole for fluid to flow to the fluid pressure sensor.
4. The downhole sucker rod string parameter tester of claim 1, wherein a seal ring is provided between the sensor body and the tester main housing.
5. The downhole sucker rod string parameter tester of claim 1, wherein the sensor body pre-set location is further provided with a data communication socket electrically connected to the control circuit assembly.
6. The downhole sucker rod string parameter tester of claim 1 wherein the diameter of the string elastic deformation body is less than a preset threshold.
7. The downhole sucker rod string parameter tester of claim 1, wherein the sensor body is a sensor body fabricated from TC4 titanium alloy.
8. The downhole sucker rod string parameter tester of any one of claims 1-7 wherein the string elastic deformation body is further coupled with a temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474407.6A CN108590632B (en) | 2018-05-17 | 2018-05-17 | Downhole sucker rod string parameter tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474407.6A CN108590632B (en) | 2018-05-17 | 2018-05-17 | Downhole sucker rod string parameter tester |
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| CN108590632A CN108590632A (en) | 2018-09-28 |
| CN108590632B true CN108590632B (en) | 2024-05-14 |
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| CN201810474407.6A Active CN108590632B (en) | 2018-05-17 | 2018-05-17 | Downhole sucker rod string parameter tester |
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| CN112525408B (en) * | 2020-11-27 | 2022-02-15 | 中国石油大学(华东) | Method and device for detecting component force of sucker rod under multi-force coupling effect |
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| CN101706313A (en) * | 2009-11-27 | 2010-05-12 | 广东南方衡器厂有限公司 | Weighing sensor elastomer |
| CN102778311A (en) * | 2012-07-23 | 2012-11-14 | 北京航空航天大学 | Multidimensional radial pressure measuring device of underground sucker rod |
| CN106884636A (en) * | 2017-02-27 | 2017-06-23 | 长春中际互频科技有限公司 | Water injection well wireless power intelligent observing and controlling system based on mutual frequency principle |
| CN208416519U (en) * | 2018-05-17 | 2019-01-22 | 长春市斯普瑞新技术有限责任公司 | A kind of underground sucker rod column parameter tester |
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