CN108953307A - A kind of downhole electric control is surged Bidirectional power device sensor device - Google Patents
A kind of downhole electric control is surged Bidirectional power device sensor device Download PDFInfo
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- CN108953307A CN108953307A CN201811011123.XA CN201811011123A CN108953307A CN 108953307 A CN108953307 A CN 108953307A CN 201811011123 A CN201811011123 A CN 201811011123A CN 108953307 A CN108953307 A CN 108953307A
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 37
- 238000006073 displacement reaction Methods 0.000 claims abstract description 64
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 241001149930 Protura <class> Species 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 11
- 125000004122 cyclic group Chemical group 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
-
- 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
-
- 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
-
- 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
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geophysics (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
A kind of downhole electric control of the present invention is surged bidirectional-movement device sensor device, integrated installation temperature sensor, pressure sensor, displacement sensor, circuit board, while core shaft structure design has five-core cable access, high-low pressure oil circuit and a well liquid liquid access.The sensor device is connect by standard mandrel attaching nut and downhole electric control the bidirectional-movement device that surges, downhole electric control can be surged environment temperature, pressure and the moving displacement amount parameter acquisition of underground where bidirectional-movement device is uploaded to ground monitoring equipment, provides technology guarantee for the surge reliably working of bidirectional-movement device of downhole electric control；It simultaneously can also be by this sensor device, other devices and downhole electric control of connection its underpart connection surge five-core cable, high-low pressure oil circuit and the well liquid liquid access of Bidirectional power device, realize the work such as the control to its underpart attachment device and the acquisition of down-hole liquid sample.
Description
Technical field
The present invention relates to downhole tool sensor fields, and in particular to a kind of downhole electric control is surged Bidirectional power device use
Sensor device.
Background technique
Application No. is 201610123732.9 national inventing patent, discloses a kind of downhole electric control and surge Bidirectional power dress
Set, using shaft bottom annular pressure, form high tension loop system and air depression circuit system, be formed by high tension loop system with
Air depression system passes through the open and close of four solenoid valves, makes shape between upper pressure conversion chamber and low pressure conversion chamber
It is final to realize moving up and down for Oil testing tool at pressure difference, Bidirectional power is provided for downhole tool.But this patent exists
In use process, it is fitted without the sensor for subsurface environment parameter acquisition, the ginseng of subsurface environment locating for it in underground work
Number can not also acquire, and the collecting work of data can only be in addition carried out using sensor device, and practical operation program is cumbersome, work
Inefficiency；Simultaneously when downhole electric control surges Bidirectional power device action, moving displacement amount is unable to measure, when actual job
Displacement needs are controlled by rule of thumb by operator, therefore with greatly uncertainty, operation are be easy to cause to make mistakes.
Summary of the invention
It surges Bidirectional power device sensor device the purpose of the present invention is to provide a kind of downhole electric control, integrates peace
Temperature sensor, pressure sensor, displacement sensor, circuit board are filled, when use is connected to electrically controlled and hydraulically Bidirectional power device
Lower end, the parameter of the temperature of subsurface environment locating for electrically controlled and hydraulically Bidirectional power device, pressure and moving displacement amount can be acquired；
Simultaneously can also be by this sensor device, other devices and downhole electric control for being connected to its underpart connection surge Bidirectional power device
Five-core cable, high-low pressure oil circuit and well liquid liquid access, realize control to its underpart attachment device and down-hole liquid sample
The work such as this acquisition.
For achieving the above object, the present invention adopts the following technical scheme:
A kind of downhole electric control is surged Bidirectional power device sensor device comprising: mandrel, core sleeve, circuit board, five core rings
Component, female wedge, temperature sensor, pressure sensor, displacement sensor component, watertight contact pin；The mandrel is step
Axis has electric appliance slot in mandrel medium position, and external screw thread is arranged at electric appliance slot lower part, and external screw thread is arranged at mandrel top, and mandrel upper surface has convex
The positioning head and concave location hole risen has well liquid liquid hole in raised positioning head, and concave positioning hole has upper cable aperture,
Upper cable aperture is connected with electric appliance slot, and there are also oilhole butt hole, mandrel lower ends stepped hole for mandrel upper surface, from top to bottom successively
For high-voltage oil cavity, low pressure oil pocket, seal chamber, five core ring cavities, high-voltage oil cavity bottom center is communicated with well liquid liquid hole, high-voltage oil cavity
There is hole to be communicated to high pressure oil hole and low pressure oil hole with low pressure oil pocket side wall, five core ring cavity bottoms have lower cable aperture to be communicated to electric appliance
There are threaded hole in slot, mandrel lower end surface；The core sleeve is hollow shaft, and step is arranged at inner hole top, and screw thread, core sleeve are arranged at inner hole lower part
It covers outside mandrel, is connect with screw thread with mandrel, mandrel electric appliance slot is surrounded closed space by core sleeve；The five cores ring assemblies
Ring is contacted including five core rings, copper, five core ring assemblies are mounted in five core ring cavities of mandrel lower part；The five cores ring is ring-type, interior
There are five annular grooves in side, and the side wall of annular groove has through-hole, and five core rings are made of insulating materials；The copper contact ring is that thin slice is cyclic annular, edge
In the annular groove of five core rings, copper contact ring is connected by the through-hole of five core ring annular groove side walls with cable aperture under mandrel；It is described
Female wedge is the short axle with ladder, and female wedge diameter small end is inserted into five core ring cavities of mandrel lower part, uses bolt
It is connected to mandrel lower end, compresses five core ring assemblies；The circuit board is mounted in electric appliance slot；The temperature sensor is elongated
Rod-shaped, lower part has the mounting head being relatively large in diameter, and mounting head is inserted in the temperature sensor hole of electric appliance slot upper portion side wall, mounting head
Bottom has conducting wire to connect with circuit board；The pressure sensor is short cylindrical, is mounted on the pressure sensing of electric appliance slot upper portion side wall
In device hole, pressure sensor hole has pore to be communicated with the outside, and pressure sensor has conducting wire to be connected with circuit board；The displacement passes
Sensor component includes: displacement sensor fixed block, displacement sensor, mandril transition head, transmission conehead, conehead wedge, spring；Institute
Displacement sensors fixed block is cylindric a part, and interior outside is all arc-shaped, and there is empty slot in inside, and upper end has radial logical
Hole, there is screw thread and cyclic annular rib in radial through-hole, and empty slot has axially extending bore to be connected with radial through-hole；Institute's displacement sensors have certainly
The dynamic sensor mandril resetted, displacement sensor are fixed in the empty slot on the inside of displacement sensor fixed block, and sensor mandril is stretched
In the axially extending bore for entering displacement sensor fixed block；The mandril transition head is short cylindrical, and upper end is spherical shape, and lower end has blind
Hole, mandril transition head are mounted in the axially extending bore of displacement sensor fixed block, lower end blind via bottom and sensor mandril phase
Contact；The transmission conehead is short cylindrical, and head is spherical shape, tail portion be it is coniform, there are cyclic annular rib, transmission conehead peace in centre
In the radial through-hole of displacement sensor fixed block；The conehead wedge is the roundlet set that inside has stepped hole, and outside has
Screw thread, conehead wedge are threadedly coupled with displacement sensor fixed block, and inner side step pushes down the cyclic annular rib of transmission conehead；It is described
Spring is mounted between transmission conehead and the radial through-hole rib of displacement sensor fixed block, and displacement sensor component passes through bolt
It is fixed on mandrel；The watertight contact pin is the standard conductive connection needle of included sealing structure, with being threadably mounted at mandrel electric appliance
In the watertight pin holes of slot upper portion side wall.
Further, the temperature sensor mounting head carries sealing ring.
Further, the pressure sensor carries sealing ring.
Further, the mandrel and core sleeve are sealed by sealing ring.
Further, the copper contact ring is connect by five-core cable with circuit board.
Further, between the mandril transition head of the displacement sensor component and the axially extending bore of displacement sensor fixed block are
Gap cooperation.
Further, watertight contact pin one end is connected by conducting wire with displacement sensor, and the other end passes through conducting wire and circuit
Plate is connected, and watertight contact pin carries sealing ring.
Further, institute's displacement sensors are pressure resistance, heatproof, seal sensor, and sensor mandril has 2mm precompressed amount.
Further, the fabrication hole that the lower cable aperture of the mandrel is communicated with outside has plug closure, uses laser welded seal.
Further, the fabrication hole that the mandrel high pressure oil hole and low pressure oil hole are communicated with outside has plug closure, uses laser
Welded seal.
Due to the adoption of the technical scheme as described above, the invention has the following beneficial effects:
A kind of downhole electric control that is suitable for of the present invention surges Bidirectional power device sensor device, integrated installation temperature
Sensor, pressure sensor, displacement sensor, circuit board, while core shaft structure design has five-core cable access, height pressure oil
Road and well liquid liquid access.The sensor device is surged Bidirectional power device by standard mandrel attaching nut and downhole electric control
Connection, environment temperature, pressure and the moving displacement amount parameter of the underground where Bidirectional power device that downhole electric control can be surged
Acquisition be uploaded to ground monitoring equipment, for downhole electric control surge Bidirectional power device reliably working provide technology guarantee；Simultaneously
Can also be by this sensor device, other devices and downhole electric control for being connected to its underpart connection surge the five of Bidirectional power device
Core cable, high-low pressure oil circuit and well liquid liquid access are realized to the control of its underpart attachment device and down-hole liquid sample
The work such as acquisition.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is core shaft structure schematic diagram；
Fig. 3 is displacement sensor component structural schematic diagram；
Fig. 4 is five core ring assemblies structural schematic diagrams.
In figure: 1, mandrel；2, core sleeve；3, circuit board；4, five core ring assemblies；401, five core ring；402, copper contacts ring；5,
Female wedge；6, low pressure oil pocket；7, high-voltage oil cavity；8, lower cable aperture；9, temperature sensor；10, upper cable aperture；11, it positions
Hole；12, positioning head；13, high pressure oil hole；14, low pressure oil hole；15, pressure sensor；16, oilhole butt hole；17, electric appliance slot；
18, seal chamber；19, five core ring cavity；20, temperature sensor hole；21, cable aperture plug；22, oilhole plug；23, displacement sensor
Component；231, displacement sensor fixed block；232, displacement sensor；233, sensor mandril；234, mandril transition head；235, it passes
Mantle head；236, conehead wedge；237, spring；24, pressure sensor hole；25, watertight pin holes；26, well liquid liquid hole；27,
Watertight contact pin.
Specific embodiment
The present invention can be explained in more detail by the following examples, the open purpose of the present invention is intended to protect the present invention
All changes and improvements in range, the invention is not limited to the following examples:
A kind of downhole electric control is surged Bidirectional power device sensor device, comprising: mandrel 1, core sleeve 2, circuit board
3, five core ring assemblies 4, female wedge 5, temperature sensor 9, pressure sensor 15, displacement sensor component 23, watertight contact pin
27；2 sets of the core sleeve is threadedly coupled in 1 outside of mandrel, mandrel electric appliance slot 17 is surrounded enclosure space；The five cores ring
Component 4 includes five core rings 401, copper contact ring 402, and copper contact ring 402 is embedded in the annular groove of five core rings 401, five core ring assemblies 4
It is mounted in five core ring cavities 19 of mandrel lower part；Five core ring cavities of 5 diameter small end of the female wedge insertion, 1 lower part of mandrel
In 19, it is bolted to 1 lower end of mandrel, compresses five core ring assemblies 4；The circuit board 3 is mounted in electric appliance slot 17；It is described
Temperature sensor 9 is inserted in the temperature sensor hole 20 of 17 upper portion side wall of electric appliance slot by the biggish mounting head of lower diameter, peace
Dress head bottom has conducting wire to connect with circuit board 3；The pressure sensor 15 is mounted on the pressure sensing of 17 upper portion side wall of electric appliance slot
In device hole 24, pressure sensor 15 has conducting wire to be connected with circuit board 3；The displacement sensor component 23 includes: displacement sensor
Fixed block 231, displacement sensor 232, mandril transition head 234, transmission conehead 235, conehead wedge 236, spring 237；Institute's rheme
Displacement sensor 232 has the sensor mandril 233 to automatically reset, and displacement sensor 232 is fixed in displacement sensor fixed block 231
In the empty slot of side, sensor mandril 233 is protruded into the axially extending bore of displacement sensor fixed block 231；The mandril transition head 234
It is mounted in the axially extending bore of displacement sensor fixed block 231；The transmission conehead 235 is mounted on displacement sensor fixed block
In 231 radial through-hole；The conehead wedge 236 is threadedly coupled with displacement sensor fixed block 231, and inner side step pushes down biography
The cyclic annular rib of mantle head 235；The spring 237 is mounted on transmission conehead 235 and the radial direction of displacement sensor fixed block 231 is logical
Between the rib of hole；Displacement sensor component 23 is bolted on mandrel 1；The watertight contact pin 27 is with being threadably mounted at core
In the watertight pin holes 25 of 1 electric appliance slot of axis, 17 upper portion side wall.
Implement a kind of downhole electric control of the present invention surge Bidirectional power device sensor device when, this sensor device
The surge adapter of Bidirectional power device lower end of 1 upper end of mandrel and downhole electric control docks, by the positioning head 12 of protrusion and concave
Location hole 11 position, by connecting high and low pressure oilhole to female connector in oilhole butt hole 16, with the mandrel spiral shell with bidirectional helical
Mother's locking can be completed downhole electric control and surge the mechanical connection of Bidirectional power device and this sensor device, and realizes simultaneously
The connection of five-core cable access, high-low pressure oil circuit and well liquid liquid access.And when this sensor device surges with downhole electric control
When Bidirectional power device connects, the surge cone slot sleeve of Bidirectional power device of downhole electric control covers on the outside of this sensor, and bores slot
Sleeve inner cone trench bottom is contacted with transmission conehead 235.When downhole electric control surges Bidirectional power device action, cone slot set will drive
Cylinder moves together, is converted by the movement of transmission conehead 235, mandril transition head 234, and the displacement for boring slot sleeve is converted to displacement
Sensor 232 exports the variation of electric signal, can be obtained by downhole electric control accordingly and surges the displacement of Bidirectional power device.In addition
The temperature sensor 9 and pressure sensor 15 of this sensor device can surge downhole electric control the environment temperature of Bidirectional power device
Degree, down-hole liquid pressure parameter collecting are transferred to monitoring system on well.
Part not in the detailed description of the invention is the prior art, therefore the present invention is not described in detail.
Claims (10)
- The Bidirectional power device sensor device 1. a kind of downhole electric control is surged, it is characterized in that: including: mandrel (1), core sleeve (2), circuit board (3), five core ring assemblies (4), female wedge (5), temperature sensor (9), pressure sensor (15), displacement pass Sensor component (23), watertight contact pin (27)；The mandrel (1) is Step Shaft, and in mandrel (1), medium position has electric appliance slot (17), External screw thread arranged at electric appliance slot (17) lower part, and external screw thread arranged at mandrel (1) top, mandrel (1) upper surface have protrusion positioning head (12) and Concave location hole (11), raised positioning head (12) is interior well liquid liquid hole (26), and concave positioning hole has upper cable aperture (10), upper cable aperture (10) is connected with electric appliance slot (17), and mandrel (1) upper surface is there are also oilhole butt hole (16), under mandrel (1) There is stepped hole at end, is followed successively by high-voltage oil cavity (7), low pressure oil pocket (6), seal chamber (18), five core ring cavities (19), high pressure from top to bottom Oil pocket (7) bottom center is communicated with well liquid liquid hole (26), and high-voltage oil cavity (7) and low pressure oil pocket (6) side wall have hole to be communicated to height Pressure oil hole (13) and low pressure oil hole (14), five core ring cavity bottoms have lower cable aperture (8) to be communicated to electric appliance slot (17), under mandrel (1) There is threaded hole in end face；The core sleeve (2) is hollow shaft, and step is arranged at inner hole top, and screw thread, core sleeve (2) set are arranged at inner hole lower part Outside mandrel (1), it is threadedly coupled；The five cores ring assemblies (4) include five core rings (401), copper contact ring (402), five cores Ring assemblies (4) are mounted in five core ring cavities (19) of mandrel lower part；The five cores ring (401) is ring-type, and there are five annular grooves in inside, The side wall of annular groove has through-hole, and five core rings (401) are made of insulating materials；Copper contact ring (402) is that thin slice is cyclic annular, is embedded in In the annular groove of five core rings (401), copper contacts ring (402) and passes through cable under the through-hole of five core ring (401) annular groove side walls and mandrel (1) Hole (8) is connected；The female wedge (5) is the short axle with ladder, and female wedge (5) diameter small end is inserted into mandrel (1) in five core ring cavities (19) of lower part, it is bolted to mandrel (1) lower end, compresses five core ring assemblies (4)；The circuit Plate (3) is mounted in electric appliance slot (17)；The temperature sensor (9) is elongated rod-shaped, and lower part has the mounting head being relatively large in diameter, Mounting head is inserted in the temperature sensor hole (20) of electric appliance slot (17) upper portion side wall, and conducting wire and circuit board (3) are arranged at mounting head bottom Connection；The pressure sensor (15) is short cylindrical, is mounted in the pressure sensor hole (24) of electric appliance slot (17) upper portion side wall, Pressure sensor hole (24) has pore to be communicated with the outside, and pressure sensor (15) has conducting wire to be connected with circuit board (3)；Institute's rheme Displacement sensor component (23) includes: displacement sensor fixed block (231), displacement sensor (232), mandril transition head (234), passes Mantle head (235), conehead wedge (236), spring (237)；Institute's displacement sensors fixed block (231) is one of cylindrical shape Point, interior outside is all arc-shaped, and there is empty slot in inside, and there is radial through-hole in upper end, there is screw thread and cyclic annular rib, empty slot in radial through-hole There is axially extending bore to be connected with radial through-hole；Institute's displacement sensors (232) have the sensor mandril (233) to automatically reset, displacement Sensor (232) is fixed in the empty slot on the inside of displacement sensor fixed block (231), and sensor mandril (233) protrudes into displacement and passes In the axially extending bore of sensor fixed block (231)；The mandril transition head (234) is short cylindrical, and upper end is spherical shape, and lower end has blind Hole, mandril transition head (234) are mounted in the axially extending bore of displacement sensor fixed block (231)；The transmission conehead (235) is Short cylindrical, head are spherical shape, tail portion be it is coniform, there is cyclic annular rib in centre, and transmission conehead (235) is mounted on displacement sensor In the radial through-hole of fixed block (231)；The conehead wedge (236) is the roundlet set that inside has stepped hole, and there is screw thread in outside, Conehead wedge (236) is threadedly coupled with displacement sensor fixed block (231), and inner side step pushes down the ring of transmission conehead (235) Shape rib；The spring (237) is mounted on the radial through-hole rib of transmission conehead (235) and displacement sensor fixed block (231) Between, displacement sensor component (23) is bolted on mandrel (1)；The watertight contact pin (27) is included sealing structure Standard conductive connect needle, with being threadably mounted in the watertight pin holes (25) of mandrel (1) electric appliance slot (17) upper portion side wall.
- 2. a kind of downhole electric control is surged Bidirectional power device sensor device according to claim 1, it is characterized in that: described Temperature sensor (9) mounting head carries sealing ring.
- 3. a kind of downhole electric control is surged Bidirectional power device sensor device according to claim 1, it is characterized in that: described Pressure sensor (15) carries sealing ring.
- 4. a kind of downhole electric control is surged Bidirectional power device sensor device according to claim 1, it is characterized in that: described Mandrel (1) and core sleeve (2) are sealed by sealing ring.
- 5. a kind of downhole electric control is surged Bidirectional power device sensor device according to claim 1, it is characterized in that: described Copper contact ring (402) is connect by five-core cable with circuit board.
- 6. a kind of downhole electric control is surged Bidirectional power device sensor device according to claim 1, it is characterized in that: described The mandril transition head (234) and the axially extending bore of displacement sensor fixed block (231) of displacement sensor component (23) are matched for gap It closes.
- 7. a kind of downhole electric control is surged Bidirectional power device sensor device according to claim 1, it is characterized in that: described Watertight contact pin (27) one end is connected by conducting wire with displacement sensor (232), and the other end is connected by conducting wire with circuit board (3), Watertight contact pin carries sealing ring.
- 8. a kind of downhole electric control is surged Bidirectional power device sensor device according to claim 1, it is characterized in that: described Displacement sensor (232) is pressure resistance, heatproof, seal sensor, and sensor mandril has 2mm precompressed amount.
- 9. a kind of downhole electric control is surged Bidirectional power device sensor device according to claim 1, it is characterized in that: described The fabrication hole that the lower cable aperture (8) of mandrel (1) is communicated with outside has plug (21) closure, uses laser welded seal.
- 10. a kind of downhole electric control is surged Bidirectional power device sensor device according to claim 1, it is characterized in that: institute Stating the fabrication hole that mandrel (1) high pressure oil hole (13) and low pressure oil hole (14) are communicated with outside has plug (22) closure, uses Laser Welding Connect sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811011123.XA CN108953307A (en) | 2018-08-31 | 2018-08-31 | A kind of downhole electric control is surged Bidirectional power device sensor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811011123.XA CN108953307A (en) | 2018-08-31 | 2018-08-31 | A kind of downhole electric control is surged Bidirectional power device sensor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108953307A true CN108953307A (en) | 2018-12-07 |
Family
ID=64475530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811011123.XA Withdrawn CN108953307A (en) | 2018-08-31 | 2018-08-31 | A kind of downhole electric control is surged Bidirectional power device sensor device |
Country Status (1)
| Country | Link |
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| CN (1) | CN108953307A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751039A (en) * | 2018-12-15 | 2019-05-14 | 洛阳润成石化设备有限公司 | Underground formation testing electric-controlled hydraulic modular test system |
-
2018
- 2018-08-31 CN CN201811011123.XA patent/CN108953307A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751039A (en) * | 2018-12-15 | 2019-05-14 | 洛阳润成石化设备有限公司 | Underground formation testing electric-controlled hydraulic modular test system |
| CN109751039B (en) * | 2018-12-15 | 2022-09-30 | 洛阳润成石化设备有限公司 | Underground oil testing electronic control hydraulic modular test system |
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Application publication date: 20181207 |