CN110593858A - Force measuring device and system for simulating underground pressure - Google Patents
Force measuring device and system for simulating underground pressure Download PDFInfo
- Publication number
- CN110593858A CN110593858A CN201910891078.XA CN201910891078A CN110593858A CN 110593858 A CN110593858 A CN 110593858A CN 201910891078 A CN201910891078 A CN 201910891078A CN 110593858 A CN110593858 A CN 110593858A
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- China
- Prior art keywords
- valve
- oil
- pressure
- force measuring
- overflow valve
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- Pending
Links
- 239000003129 oil well Substances 0.000 claims description 18
- 239000012530 fluid Substances 0.000 claims description 9
- 238000004146 energy storage Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract 1
- 230000008859 change Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000013589 supplement 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/08—Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a force measuring device and a force measuring system for simulating underground pressure, which comprise a support frame, a one-way valve, a safety valve, an overflow valve and a pressure gauge, wherein a liquid inlet of the one-way valve is connected with an external oil pump, an output end of the one-way valve is respectively communicated with an input end of the overflow valve and an input end of the safety valve, the pressure gauge is arranged above the overflow valve, the flow of oil is controlled through a valve of the overflow valve, a pressure value is read through the pressure gauge, an oil tank is connected between an output end of the safety valve and an output end of the overflow valve through a pipeline so that the oil flows into the underground. The invention can accurately and vividly test the actual pressure of the underground power.
Description
Technical Field
The invention relates to the technical field of mechanical hydraulic equipment, in particular to a force measuring device and a force measuring system for simulating underground pressure, which are particularly suitable for measuring the force of various underground submersible systems taking a linear motor as an example.
Background
Taking a linear motor as an example, in the same industry in China at present, a method and means for accurately and vividly measuring the linear motor are blank, the actual output cannot be measured, the theory and practice are inconsistent, the model specification is selected according to the theory blindly, and unpredictable loss is caused. In order to fill the blank, the force measuring device for simulating the underground pressure can accurately measure the actual output force of the quasi-simulation equipment in the actual working condition, and provides a solid and reliable basis for the subsequent theoretical research.
Disclosure of Invention
In view of the above technical problems, an object of the present invention is to provide a force measuring device and system for simulating downhole pressure.
In order to realize the purpose, the invention is realized according to the following technical scheme:
according to one aspect of the invention, there is provided a force measuring device for simulating downhole pressure, comprising: support frame, check valve, relief valve, overflow valve, manometer, the overflow valve with the relief valve passes through connecting plate bolted connection, check valve and oil pipe threaded connection, the inlet of check valve is through being connected with outside oil-well pump, the output of check valve respectively with the input of overflow valve and the input intercommunication of relief valve, the manometer passes through threaded connection to be fixed on the overflow valve, through the valve control fluid's of overflow valve flow, through the manometer reads pressure numerical value, the output of relief valve with the output of overflow valve passes through the tube coupling oil tank and makes fluid flow into in the pit, the support frame will the relief valve with overflow valve fixed stay.
Preferably, the output of check valve is provided with the accumulator, the accumulator pass through connector and high pressure fuel pipe with the check valve is connected, the support frame will through fixed connector the accumulator fixed stay.
According to another aspect of the invention, the invention provides a force measuring system for simulating downhole pressure, which comprises a motor, an oil well pump, a control cabinet and the force measuring device, wherein the motor is fixedly connected with the oil well pump by threads and is placed underground, the control cabinet is connected with the motor through a cable, after the motor is electrified, the control cabinet controls the motor to reciprocate linearly up and down to suck oil underground, the oil well pump is fixedly connected with the force measuring device, and when the motor moves upwards, the oil in a pump cavity of the oil well pump enters an overflow valve inlet in the force measuring device, the flow is controlled through a valve of the overflow valve, and the reading is carried out through a pressure gauge.
Compared with the prior art, the invention has the following advantages:
the invention can accurately and vividly test the actual pressure of the underground power;
the invention can test the linear motor, can be popularized to the same kind of products running underground, and can be accurately and conveniently tested.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a force measuring device of the present invention;
in the figure: 1-support frame, 2-check valve, 3-energy accumulator, 4-safety valve, 5-overflow valve, 6-pressure gauge.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
In the description of the present invention, it is to be understood that the terms "radial," "axial," "upper," "lower," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1, a force measuring device for simulating downhole pressure according to the present invention comprises: support frame 1, check valve 2, relief valve 4, overflow valve 5, manometer 6, overflow valve 5 and relief valve 4 pass through connecting plate bolted connection, check valve 2 and oil pipe threaded connection, the inlet of check valve 2 is through being connected with outside oil-well pump, the output of check valve 2 communicates with the input of overflow valve 5 and the input of relief valve 4 respectively, manometer 6 passes through threaded connection and fixes on overflow valve 5, control the flow of fluid through the valve of overflow valve 5, read pressure value through manometer 6, the output of relief valve 4 and the output of overflow valve 5 pass through the tube coupling oil tank and make fluid flow in the pit, support frame 1 is with relief valve 4 and 5 fixed stay of overflow valve. The support frame 1 is used for supporting a system and has a stable placing function, the check valve 2 is used for preventing backflow of oil, and the safety valve 4 has the functions of ensuring stable operation and self-protection; the pressure gauge 6 reflects the hydraulic pressure flowing through the check valve 2, and the overflow valve 5 prevents the hydraulic system from being damaged by excessive pressure and conveys part of oil back to the oil tank. The pressure change is achieved by adjusting the valve of the overflow valve 5, so that the accurate display reading of the pressure gauge 6 can be realized, and the measuring effect is achieved.
Preferably, the output end of the check valve 2 is provided with an energy storage device 3, the energy storage device 3 is connected with the check valve 2 through a connector and a high-pressure oil pipe, and the support frame 1 is fixedly supported by the energy storage device through a fixed connector. The accumulator 3 serves to supplement the oil pressure in time when the oil pressure is insufficient, and maintain the stable operation of the hydraulic system.
According to another aspect of the invention, the invention provides a force measuring system for simulating downhole pressure, which comprises a motor, an oil well pump, a control cabinet and the force measuring device, wherein the motor is fixedly connected with the oil well pump by threads and is placed underground, the control cabinet is connected with the motor by a cable, after being electrified, the control cabinet controls the motor to reciprocate linearly up and down to suck oil from underground oil, and the oil well pump is fixedly connected with the force measuring device. When the motor moves upwards, oil in the pump cavity enters an overflow valve inlet in the force measuring device, the flow is controlled through a valve of the overflow valve, a reading pressure gauge and motor tests with different powers can be controlled through the valve, and then the oil flows into the underground from an overflow valve outlet; the system has the functions of pressure maintaining and compensation of the energy accumulator, overpressure protection of the safety valve, stable operation of the system, self protection and the like. The device can test the linear motor, can be popularized to the same type of products running underground, and can be accurately and conveniently tested.
Briefly, the components of the present invention function substantially as follows: under control system's control, the motor moves downwards, fluid is inhaled in the oil-well pump intracavity, the motor moves upwards, pump fluid gets into in the device system, at first through relief valve 2, the ball seat of relief valve 2 is opened, fluid can pressurize and compensation through energy storage ware 3 to the pressure of system etc, through relief valve 4 to the stable operation and the self-protection of system, reach the change of pressure after carrying out the valve control through overflow valve 5, thereby can play the measuring action through the accurate demonstration reading of 6 manometers.
According to a specific embodiment of the invention, the detected equipment, namely the linear motor, is fixedly connected with an oil well pump, the oil well pump is fixedly connected with the device, under the control of a control system, the motor runs downwards, oil is sucked into an oil well pump cavity, when the motor runs upwards, as shown in figure 1, the pump oil enters the device system, firstly passes through a one-way valve 1 and then a safety valve 2, a ball seat of the safety valve 2 is opened, the oil can maintain pressure and compensate through the pressure of an energy accumulator 3 on the system and the like, the system can be stably operated and self-protected through the safety valve 4, the pressure change is achieved after the valve adjustment is carried out through an overflow valve 5, and therefore, the reading can be accurately displayed through a pressure gauge 6, and the measurement effect is.
The invention can test the linear motor, can be popularized to the same kind of products running underground, and can be accurately and conveniently tested.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (3)
1. A force measuring device for simulating downhole pressure, comprising: support frame, check valve, relief valve, overflow valve, manometer, the overflow valve with the relief valve passes through connecting plate bolted connection, check valve and oil pipe threaded connection, the inlet of check valve is through being connected with outside oil-well pump, the output of check valve respectively with the input of overflow valve and the input intercommunication of relief valve, the manometer passes through threaded connection to be fixed on the overflow valve, through the valve control fluid's of overflow valve flow, through the manometer reads pressure numerical value, the output of relief valve with the output of overflow valve passes through the tube coupling oil tank and makes fluid flow into in the pit, the support frame will the relief valve with overflow valve fixed stay.
2. A force measuring device for simulating downhole pressure according to claim 1, wherein an energy storage is provided at an output end of the check valve, the energy storage is connected with the check valve through a connector and a high-pressure oil pipe, and the support frame fixedly supports the energy storage through a fixed connector.
3. A force measuring system for simulating underground pressure is characterized by comprising a motor, an oil well pump, a control cabinet and the force measuring device according to claim 1 or 2, wherein the motor and the oil well pump are fixedly connected through threads and are placed underground, the control cabinet is connected with the motor through a cable, after the motor is electrified, the control cabinet controls the motor to do reciprocating linear motion up and down to suck oil underground, the oil well pump is fixedly connected with the force measuring device, and when the motor goes upwards, the oil in a pump cavity of the oil well pump enters an overflow valve inlet in the force measuring device, the flow is controlled through a valve of the overflow valve, and the pressure is read through a pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910891078.XA CN110593858A (en) | 2019-09-20 | 2019-09-20 | Force measuring device and system for simulating underground pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910891078.XA CN110593858A (en) | 2019-09-20 | 2019-09-20 | Force measuring device and system for simulating underground pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110593858A true CN110593858A (en) | 2019-12-20 |
Family
ID=68861525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910891078.XA Pending CN110593858A (en) | 2019-09-20 | 2019-09-20 | Force measuring device and system for simulating underground pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110593858A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0377078U (en) * | 1989-11-27 | 1991-08-01 | ||
| US6550535B1 (en) * | 2000-07-20 | 2003-04-22 | Leland Bruce Traylor | Apparatus and method for the downhole gravity separation of water and oil using a single submersible pump and an inline separator containing a control valve |
| EA200801554A1 (en) * | 2008-05-20 | 2009-12-30 | Закрытое Акционерное Общество Финансовая Компания "Центр-Космос-Нефть-Газ" | GAS, GAS-CONDENSATE, OIL-AND-GAS, OIL WELLS WITH REMOTE CONTROL |
| CN202646244U (en) * | 2012-06-25 | 2013-01-02 | 施伟 | Hydraulic system for oil pumping unit |
| CN106285561A (en) * | 2015-05-15 | 2017-01-04 | 中国石油天然气股份有限公司 | Downhole safety valve system |
| CN106593847A (en) * | 2016-12-27 | 2017-04-26 | 中国船舶重工集团公司第七〇九研究所 | Downhole linear motor reciprocating type oil well pump test platform |
-
2019
- 2019-09-20 CN CN201910891078.XA patent/CN110593858A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0377078U (en) * | 1989-11-27 | 1991-08-01 | ||
| US6550535B1 (en) * | 2000-07-20 | 2003-04-22 | Leland Bruce Traylor | Apparatus and method for the downhole gravity separation of water and oil using a single submersible pump and an inline separator containing a control valve |
| EA200801554A1 (en) * | 2008-05-20 | 2009-12-30 | Закрытое Акционерное Общество Финансовая Компания "Центр-Космос-Нефть-Газ" | GAS, GAS-CONDENSATE, OIL-AND-GAS, OIL WELLS WITH REMOTE CONTROL |
| CN202646244U (en) * | 2012-06-25 | 2013-01-02 | 施伟 | Hydraulic system for oil pumping unit |
| CN106285561A (en) * | 2015-05-15 | 2017-01-04 | 中国石油天然气股份有限公司 | Downhole safety valve system |
| CN106593847A (en) * | 2016-12-27 | 2017-04-26 | 中国船舶重工集团公司第七〇九研究所 | Downhole linear motor reciprocating type oil well pump test platform |
Non-Patent Citations (1)
| Title |
|---|
| 李亚敏: "石油水力模拟实验系统的设计与研究", 《中国优秀硕士学位论文全文数据库（工程科技Ⅰ辑）》 * |
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