CN213581364U - Installation device of micro-seismic detector - Google Patents
Installation device of micro-seismic detector Download PDFInfo
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- CN213581364U CN213581364U CN202023144286.0U CN202023144286U CN213581364U CN 213581364 U CN213581364 U CN 213581364U CN 202023144286 U CN202023144286 U CN 202023144286U CN 213581364 U CN213581364 U CN 213581364U
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Abstract
The utility model provides a micro seismic detector's installation device. Relates to the technical field of oil field geophysical exploration. The upper portion of the microseism detector is in threaded connection with the installation cylinder, the cylinder is arranged in the installation cylinder, a piston is arranged in the cylinder and is connected with the cylinder in a clearance fit mode through a sealing ring, a pipeline is connected with a wrapping capsule at the bottom of the cylinder, a mounting hole is arranged at the top of the cylinder and is in threaded sealing connection with a high-pressure hose, and the wrapping capsule is bonded on one side of the outer circle surface of the microseism. The utility model discloses following beneficial effect has: the micro-seismic detector is tightly attached to the hole wall of the exploration well by expansion of the wrapping capsule, the coupling effect of the micro-seismic detector and the exploration well is good, vibration information at the bottom of the well is stably reflected, the accuracy of detected data is improved, the micro-seismic detector is sealed and isolated from the upper part of the exploration well by expansion of the sealing capsule, and interference of sound waves and external vibration transmitted from the ground to the exploration well is reduced.
Description
The technical field is as follows:
the utility model belongs to the technical field of the oil field geophysical exploration technique and specifically relates to a micro seismic detector's installation device.
Background art:
in land oil and gas exploration technology, in order to avoid the attenuation filtering effect of the soft soil layer of near-surface, acquire underground reflection wave data more truly, often can adopt and arrange the microseism wave detector in the deep well and detect, when the microseism wave detector is placed in the well through the stay cord and carries out received signal data, can obtain truer, abundanter data, but current geophysical prospecting uses the underground wave detector not convenient for realize good fixed with the wall of a well, can not reach the effect of coupling, place in the well through the stay cord, the wave detector can not stable reflection shaft bottom's vibrations information, make the data that detect deviate, simultaneously, other noises of transmission in the pit shaft, the accuracy of microseism wave detector is also influenced in the vibration.
The utility model has the following contents:
in order to solve the problem, the utility model provides a micro-seismic detector's installation device.
The technical scheme of the utility model is that: the mounting device of the micro-geophone comprises the micro-geophone, wherein the upper part of the micro-geophone is in threaded connection with a mounting cylinder, a cylinder barrel is arranged in the mounting cylinder, a piston is arranged in the cylinder barrel and is connected with the cylinder barrel in a clearance fit manner through a sealing ring, the bottom of the cylinder barrel is provided with a pipeline connection wrapping capsule, the top of the cylinder barrel is provided with a mounting hole in threaded connection with a high-pressure hose, and the wrapping capsule is bonded on one side of the.
The bottom of the cylinder barrel is also provided with a pipeline connecting sealing capsule which is sleeved on the high-pressure hose.
The bottom of the piston is provided with a counter bore, a spring is arranged in the counter bore, and the spring is arranged between the bottom surface of the cylinder barrel and the counter bore of the piston.
The bottom end surface of the microseismic detector is bonded with a shock pad.
The wrapped capsule enters the boosting liquid to expand and then contacts with the exploration well, and the wrapping angle of the wrapped capsule surrounding the microseismic detector is larger than 150 degrees.
The utility model discloses following beneficial effect has: the micro-seismic detector is tightly attached to the hole wall of the exploration well by expansion of the wrapping capsule, the coupling effect of the micro-seismic detector and the exploration well is good, vibration information at the bottom of the well is stably reflected, the accuracy of detected data is improved, the micro-seismic detector is sealed and isolated from the upper part of the exploration well by expansion of the sealing capsule, and interference of sound waves and external vibration transmitted from the ground to the exploration well is reduced.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention;
figure 2 is a cross-sectional view of the capsule of the present invention.
In the figure, 1-microseism geophone, 2-installation cylinder, 3-piston, 4-cylinder, 5-sealing capsule, 6-high-pressure hose, 7-packaging capsule, 8-spring, 9-shock pad, 10-exploration well and 11-packaging angle.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the accompanying drawings:
by figure 1 combine shown in figure 2, microseism wave detector's installation device, including microseism wave detector 1, microseism wave detector 1 upper portion threaded connection installation section of thick bamboo 2 is equipped with cylinder 4 in the installation section of thick bamboo 2, is equipped with piston 3 in the cylinder 4 and passes through sealing washer clearance fit with cylinder 4 to be connected, and there is pipe connection parcel capsule 7 cylinder 4 bottom, and there is mounting hole thread sealing connection high pressure hose 6 cylinder 4 top, and parcel capsule 7 bonds in microseism wave detector 1's excircle surface one side.
The bottom of the cylinder barrel 4 is also provided with a pipeline connecting sealing capsule 5, and the sealing capsule 5 is sleeved on a high-pressure hose 6.
The bottom of the piston 3 is provided with a counter bore, a spring 8 is arranged in the counter bore, and the spring 8 is arranged between the bottom surface of the cylinder barrel 4 and the counter bore of the piston 3.
The bottom end surface of the microseismic detector 1 is adhered with a shock pad 9.
The wrapped capsule 7 enters the boosting liquid to expand and then contacts the exploration well 10, the wrapped angle 11 of the wrapped capsule 7 surrounding the microseismic detector 1 is larger than 150 degrees, and the microseismic detector 1 is firmly attached to the exploration well 10.
Under the condition of no external hydraulic pressure, under the action of the elastic force of a spring 8, a piston 3 moves upwards, liquid in a capsule flows back into a cylinder barrel, a sealed capsule 5 and a wrapping capsule 7 are in a shriveled state, a micro-seismic detector mounting device is slowly lowered to the bottom of an exploration well 10 through a high-pressure hose 6, a shock pad 9 plays a role in buffering to protect a micro-seismic detector 1 from violent vibration, after the micro-seismic detector 1 reaches the bottom of the exploration well 10, high-pressure liquid is input into the cylinder barrel 4 through the high-pressure hose 6, the piston 3 moves downwards, hydraulic oil flows into the wrapping capsule 7 and the sealed capsule 5 to maintain the pressure of the liquid at 5 degrees, the wrapping capsule 7 expands Mpa to enable the micro-seismic detector 1 to be tightly attached to the hole wall of the exploration well 10, the micro-seismic detector 1 and the exploration well 10 are good in coupling effect, vibration information at the bottom of the well is stably reflected, the data accuracy of, the micro-geophone 1 is sealed and isolated from the upper part of the exploration well 10, and the interference of sound waves and external vibration transmitted from the ground into the exploration well 10 is reduced.
After detection is finished, the pressure in the high-rise soft pipe 6 is stopped, the pressure is reduced, the piston 3 moves upwards under the action of the spring 8, hydraulic oil flows back into the cylinder 4, the sealing capsule 5 and the wrapping capsule 7 retract, compression between the micro-seismic detector 1 and the exploration well 10 is relieved, and the micro-seismic detector 1 is lifted to the well by the lifting high-pressure soft pipe 6.
Claims (5)
1. A microseismic receiver mounting device comprising a microseismic receiver (1), characterized in that: a micro-seismic detector (1) upper portion threaded connection installation section of thick bamboo (2), be equipped with cylinder (4) in installation section of thick bamboo (2), be equipped with piston (3) in cylinder (4) and be connected through sealing washer clearance fit with cylinder (4), there is pipe connection parcel capsule (7) cylinder (4) bottom, there is mounting hole screw thread sealing connection high pressure hose (6) cylinder (4) top, parcel capsule (7) bond in the excircle surface one side of micro-seismic detector (1).
2. A microseismic receiver mounting apparatus as defined in claim 1 wherein: the bottom of the cylinder barrel (4) is also provided with a pipeline connecting sealing capsule (5), and the sealing capsule (5) is sleeved on the high-pressure hose (6).
3. A microseismic receiver mounting apparatus as defined in claim 1 wherein: the bottom of the piston (3) is provided with a counter bore, a spring (8) is arranged in the counter bore, and the spring (8) is arranged between the bottom surface of the cylinder barrel (4) and the counter bore of the piston (3).
4. A microseismic receiver mounting apparatus as defined in claim 1 wherein: the bottom end surface of the microseismic detector (1) is bonded with a shock pad (9).
5. A microseismic receiver mounting apparatus as defined in claim 1 wherein: the wrapped capsule (7) enters the boosting liquid to expand and then contacts with the exploration well (10), and the wrapped angle (11) of the wrapped capsule (7) surrounding the microseismic detector (1) is larger than 150 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023144286.0U CN213581364U (en) | 2020-12-24 | 2020-12-24 | Installation device of micro-seismic detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023144286.0U CN213581364U (en) | 2020-12-24 | 2020-12-24 | Installation device of micro-seismic detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213581364U true CN213581364U (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023144286.0U Active CN213581364U (en) | 2020-12-24 | 2020-12-24 | Installation device of micro-seismic detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213581364U (en) |
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2020
- 2020-12-24 CN CN202023144286.0U patent/CN213581364U/en active Active
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