CN218787118U - Bottom hole flowing pressure detection device - Google Patents
Bottom hole flowing pressure detection device Download PDFInfo
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- CN218787118U CN218787118U CN202222874455.9U CN202222874455U CN218787118U CN 218787118 U CN218787118 U CN 218787118U CN 202222874455 U CN202222874455 U CN 202222874455U CN 218787118 U CN218787118 U CN 218787118U
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- sliding sleeve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model discloses a shaft bottom flowing pressure detection device, which belongs to the technical field of natural gas exploitation and comprises a first shell, a second shell and a detection cylinder, wherein a rotating motor is fixedly arranged in the first shell, a first sliding sleeve is slidably arranged at the bottom end of the first shell, a first threaded disc is fixedly arranged at the top end of the first sliding sleeve, and a first threaded rod is rotatably arranged in the first shell; the top slidable mounting of second casing has the second sliding sleeve, the bottom fixed mounting of second sliding sleeve has the second thread dish, the second threaded rod is installed to the second casing internal rotation, fixed mounting has manometer and temperature measurement meter on the test cylinder, the utility model discloses can protect detection device, let the device can not let gas well inner wall and detection device collide when passing in and out the gas well, let the direct natural gas contact with the detection of detection device simultaneously for the data that detect out are reliable accurate.
Description
Technical Field
The utility model belongs to the technical field of the natural gas exploitation, specifically speaking relates to a shaft bottom flowing pressure detection device.
Background
The gas well is a well drilled from the ground to a gas layer for exploiting natural gas, the bottom hole pressure is also called flowing pressure and is the pressure measured by the bottom hole during the production of the gas well, the bottom hole pressure is a key index during the exploitation of the gas well, the natural gas at the bottom hole is lifted to the ground by the bottom hole pressure, so the bottom hole pressure is an important mark of the gas well flowing capacity.
SUMMERY OF THE UTILITY MODEL
Let measuring device and gas well send the collision when the device business turn over gas well to current one kind easily for measuring device appears damaging, and one kind makes the data of measuring out receive the influence of pipeline notch size easily, when the pipeline notch takes place to block up, leads to measuring the problem that can't continue, the utility model provides a shaft bottom flowing pressure detection device.
In order to solve the above problem, the utility model adopts the following technical scheme:
a shaft bottom flowing pressure detection device comprises a first shell, a second shell and a detection cylinder, wherein a rotating motor is fixedly installed in the first shell, a first sliding sleeve is installed at the bottom end of the first shell in a sliding mode, a first threaded disc is fixedly installed at the top end of the first sliding sleeve, a first threaded rod is installed in the first shell in a rotating mode, the first threaded rod is in threaded connection with the first threaded disc, and the first threaded rod is fixedly connected with the output end of the rotating motor;
a second sliding sleeve is slidably mounted at the top end of the second shell, a second threaded disc is fixedly mounted at the bottom end of the second sliding sleeve, a second threaded rod is rotatably mounted in the second shell, and the second threaded rod is in threaded connection with the second threaded disc;
the bottom surface of the first threaded rod is fixedly connected with the top surface of the detection barrel, the top surface of the second threaded rod is fixedly connected with the bottom surface of the detection barrel, and the detection barrel is fixedly provided with a pressure measuring meter and a temperature measuring meter.
In order to allow the first and second threaded discs to slide in opposite directions, the first and second threaded rods preferably have the same thread direction, and the first and second threaded discs preferably have opposite thread directions.
In order to allow the second casing to be fixed at the well bottom and not rotate along with the second threaded rod, a fixing support rod is preferably fixedly arranged at the bottom end of the second casing.
And judging whether the current position of the device is at the bottom of the well or not through the distance measuring meter, and preferably, fixedly mounting the distance measuring meter on the detection barrel.
In order to allow the test cartridge to be loaded into the first sliding sleeve and the second sliding sleeve, it is preferable that the pocket of the first sliding sleeve is downward and the pocket of the second sliding sleeve is upward.
In order to enable the first sliding sleeve, the first threaded plate, the second sliding sleeve and the second threaded plate to rotate relative to the first threaded rod, preferably, the first sliding sleeve and the second sliding sleeve are fixedly provided with limiting rods, and the first shell and the second shell are internally provided with limiting grooves matched with the limiting rods.
In order to prevent the first housing and the second housing from rotating relatively, preferably, the bottom end of the first sliding sleeve and the top end of the second sliding sleeve are fixedly provided with matched profiled tooth blocks.
In order to enhance the sealing performance of the device, a sealing gasket is fixedly mounted on the special-shaped tooth block, and the sealing gasket is nitrile rubber.
In order to let first casing and second casing fix in the well, preferably, first casing with all rotate on the second casing and install a plurality of first auxiliary rods, first sliding sleeve with rotate on the second sliding sleeve and install a plurality of second auxiliary rods, the first auxiliary rod of first casing installation with the second auxiliary rod of installation rotates on the first sliding sleeve to be connected, the first auxiliary rod of second casing installation with the second auxiliary rod of installation rotates on the second sliding sleeve to be connected.
In order to enhance the utility of the first auxiliary lever and the second auxiliary lever, further, the first auxiliary lever and the second auxiliary lever are stainless steel alloy.
Compared with the prior art, the utility model provides a shaft bottom flowing pressure detection device, the utility model discloses possess following beneficial effect:
the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses a rotation of first thread dish and second thread dish, the removal of the first sliding sleeve of control and the removal of second sliding sleeve in the first casing, realize the closure and the separation of first sliding sleeve and second sliding sleeve, examine time measuring at needs flowing pressure, let first sliding sleeve and second sliding sleeve separate, let the detection cylinder show, let pressure measurement meter and temperature measurement meter detect, the collection is accomplished and then let first sliding sleeve and second sliding sleeve closed, protect detection device, let the device can not let gas well inner wall and detection device collide when passing in and out the gas well, let the direct natural gas contact with the detection of detection device simultaneously, make the data that detects out reliable accurate.
Drawings
Fig. 1 is a schematic view of a closing structure of a downhole flowing pressure detecting device according to the present invention;
fig. 2 is a schematic view of a starting structure of a downhole flowing pressure detecting device according to the present invention;
fig. 3 is a schematic view of the internal structure of a downhole flowing pressure detecting device according to the present invention;
fig. 4 is an internal structural schematic diagram of a downhole flowing pressure detecting device provided by the present invention.
In the figure: 1. a first housing; 2. a second housing; 3. fixing the support rod; 4. a pressure gauge; 5. a temperature meter; 6. a distance meter; 7. rotating the motor; 8. a first sliding sleeve; 9. a second sliding sleeve; 10. a detection cylinder; 11. a first threaded rod; 12. a second threaded rod; 13. a first threaded disc; 14. a second threaded disk; 15. a first auxiliary lever; 16. a second auxiliary lever; 17. a limiting rod; 18. a special-shaped tooth block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The embodiment is as follows:
referring to fig. 1-4, a downhole flow pressure detection device comprises a first shell 1, a second shell 2 and a detection cylinder 10, wherein a rotating motor 7 is fixedly installed in the first shell 1, a first sliding sleeve 8 is slidably installed at the bottom end of the first shell 1, a first threaded disc 13 is fixedly installed at the top end of the first sliding sleeve 8, a first threaded rod 11 is rotatably installed in the first shell 1, the first threaded rod 11 is in threaded connection with the first threaded disc 13, and the first threaded rod 11 is fixedly connected with the output end of the rotating motor 7; a second sliding sleeve 9 is slidably mounted at the top end of the second shell 2, a second threaded disc 14 is fixedly mounted at the bottom end of the second sliding sleeve 9, a second threaded rod 12 is rotatably mounted in the second shell 2, and the second threaded rod 12 is in threaded connection with the second threaded disc 14; the bottom surface of the first threaded rod 11 is fixedly connected with the top surface of the detection cylinder 10, the top surface of the second threaded rod 12 is fixedly connected with the bottom surface of the detection cylinder 10, and the pressure measuring meter 4 and the temperature measuring meter 5 are fixedly arranged on the detection cylinder 10.
The thread directions of the first threaded rod 11 and the second threaded rod 12 are the same, the thread directions of the first threaded disk 13 and the second threaded disk 14 are opposite, when the first threaded rod 11 and the second threaded rod 12 rotate, the first threaded disk 13 pushes the first sliding sleeve 8 to slide downwards, the second threaded disk 14 pushes the second sliding sleeve 9 to slide upwards, or when the first threaded disk 13 drives the first sliding sleeve 8 to slide upwards, the second threaded disk 14 also synchronously drives the second sliding sleeve 9 to pull downwards.
The bottom fixed mounting of second casing 2 has fixed branch 3, lets fixed branch 3 offset with the shaft bottom, lets second casing 2 fixed, when avoiding second threaded rod 12 to rotate, drives second casing 2, second sliding sleeve 9 and second screw dish 14 and rotates together, lets second threaded rod 12 and second casing 2, second sliding sleeve 9 and second screw dish 14 rotate relatively.
The distance measuring meter 6 is fixedly installed on the detection cylinder 10, and the current position of the device is obtained through the distance measuring meter 6.
The sleeve opening of the first sliding sleeve 8 faces downwards, the sleeve opening of the second sliding sleeve 9 faces upwards, and when the detection device is not used, the detection tube 10 is arranged in the first sliding sleeve 8 and the second sliding sleeve 9 to protect the detection tube 10.
Equal fixed mounting has gag lever post 17 on first sliding sleeve 8 and the second sliding sleeve 9, all be equipped with in first casing 1 and the second casing 2 with gag lever post 17 assorted spacing groove, let first sliding sleeve 8 and first casing 1 static relatively, first sliding sleeve 8 can only slide in first casing 1 and not rotate, second sliding sleeve 9 and second casing 2 static relatively, second sliding sleeve 9 can only slide in second casing 2 and not rotate, just also let first frid 13 can not drive first sliding sleeve 8 at first casing 1 internal rotation, second frid 14 can not drive second sliding sleeve 9 at second casing 2 internal rotation.
The bottom of first sliding sleeve 8 and the top fixed mounting of second sliding sleeve 9 have assorted heterotypic tooth piece 18, and when the device closed, fixed mounting has sealed the pad on the heterotypic tooth piece 18, and sealed pad is nitrile rubber, and first sliding sleeve 8 and second sliding sleeve 9 rely on heterotypic tooth piece 18 to fix a position the closure, and sealed pad guarantees before first sliding sleeve 8 and second sliding sleeve 9 separate, can not have the natural gas to get into in the device.
All rotate on first casing 1 and the second casing 2 and install a plurality of first auxiliary rod 15, it installs a plurality of second auxiliary rod 16 to rotate on first sliding sleeve 8 and the second sliding sleeve 9, first auxiliary rod 15 of first casing 1 installation rotates with the second auxiliary rod 16 of installing on the first sliding sleeve 8 and is connected, first auxiliary rod 15 of second casing 2 installation rotates with the second auxiliary rod 16 of installing on the second sliding sleeve 9 and is connected, first auxiliary rod 15 and second auxiliary rod 16 are stainless steel alloy, first sliding sleeve 8 upwards slides in first casing 1, when second sliding sleeve 9 downwards slides in second casing 2, the contained angle between first auxiliary rod 15 and the second auxiliary rod 16 reduces, first auxiliary rod 15 and second auxiliary rod 16 outwards fold, offset with the wall of a well, carry out auxiliary stay and fix to first casing 1 and second casing 2.
The utility model discloses be applied to natural gas exploitation technical field, through sending the device into the natural gas shaft bottom, start rotating motor 7, let first frid 13, detection cylinder 10 and second frid 14 rotate, let first frid 13 promote first slip cap 8 and go up to slide in first casing 1, second frid 14 promotes second slip cap 9 and glides in second casing 2, let first slip cap 8 and second slip cap 9 separate, make detection cylinder 10 expose in the natural gas shaft bottom, carry out data acquisition to atmospheric pressure and temperature by pressure measurement meter 4 and temperature measurement meter 5, after data acquisition accomplishes, let rotate first frid 13 of motor 7 control, detection cylinder 10 and second frid 14 antiport, let first slip cap 8 gliding, second slip cap 9 moves up, let first slip cap 8 and second slip cap 9 reclose, protect detection cylinder 10, take out the device, acquire the data that pressure measurement meter 4 and temperature measurement meter 5 gathered.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (10)
1. The bottom hole flow pressure detection device is characterized by comprising a first shell (1), a second shell (2) and a detection cylinder (10), wherein a rotating motor (7) is fixedly installed in the first shell (1), a first sliding sleeve (8) is slidably installed at the bottom end of the first shell (1), a first threaded disc (13) is fixedly installed at the top end of the first sliding sleeve (8), a first threaded rod (11) is rotatably installed in the first shell (1), the first threaded rod (11) is in threaded connection with the first threaded disc (13), and the first threaded rod (11) is fixedly connected with the output end of the rotating motor (7);
a second sliding sleeve (9) is slidably mounted at the top end of the second shell (2), a second threaded disc (14) is fixedly mounted at the bottom end of the second sliding sleeve (9), a second threaded rod (12) is rotatably mounted in the second shell (2), and the second threaded rod (12) is in threaded connection with the second threaded disc (14);
the bottom surface of the first threaded rod (11) is fixedly connected with the top surface of the detection barrel (10), the top surface of the second threaded rod (12) is fixedly connected with the bottom surface of the detection barrel (10), and a pressure measuring meter (4) and a temperature measuring meter (5) are fixedly mounted on the detection barrel (10).
2. A downhole flow pressure detection device according to claim 1, wherein the first threaded rod (11) and the second threaded rod (12) are threaded in the same direction, and the first threaded disc (13) and the second threaded disc (14) are threaded in opposite directions.
3. A downhole flow pressure measurement device according to claim 1, wherein a stationary support rod (3) is fixedly mounted to the bottom end of the second casing (2).
4. A downhole flow pressure detecting device according to claim 1, wherein a distance meter (6) is fixedly mounted on the detecting cylinder (10).
5. A downhole flow pressure detection device according to claim 1, wherein the pocket of the first sliding sleeve (8) is facing downwards and the pocket of the second sliding sleeve (9) is facing upwards.
6. A bottom-hole flowing pressure detecting device according to claim 1, characterized in that a limiting rod (17) is fixedly mounted on each of the first sliding sleeve (8) and the second sliding sleeve (9), and a limiting groove matched with the limiting rod (17) is arranged in each of the first casing (1) and the second casing (2).
7. A bottom hole flow pressure measurement device as claimed in claim 1, wherein the bottom end of the first sliding sleeve (8) and the top end of the second sliding sleeve (9) are fixedly provided with matching profiled tooth blocks (18).
8. A bottom hole flowing pressure detection device according to claim 7, characterized in that a sealing gasket is fixedly arranged on the special-shaped tooth block (18), and the sealing gasket is nitrile rubber.
9. A downhole flow pressure detecting device according to claim 1, wherein a plurality of first auxiliary rods (15) are rotatably mounted on the first casing (1) and the second casing (2), a plurality of second auxiliary rods (16) are rotatably mounted on the first sliding sleeve (8) and the second sliding sleeve (9), the first auxiliary rods (15) mounted on the first casing (1) are rotatably connected with the second auxiliary rods (16) mounted on the first sliding sleeve (8), and the first auxiliary rods (15) mounted on the second casing (2) are rotatably connected with the second auxiliary rods (16) mounted on the second sliding sleeve (9).
10. A downhole flow pressure detection device according to claim 9, wherein the first auxiliary rod (15) and the second auxiliary rod (16) are stainless steel alloys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222874455.9U CN218787118U (en) | 2022-10-31 | 2022-10-31 | Bottom hole flowing pressure detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222874455.9U CN218787118U (en) | 2022-10-31 | 2022-10-31 | Bottom hole flowing pressure detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218787118U true CN218787118U (en) | 2023-04-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222874455.9U Active CN218787118U (en) | 2022-10-31 | 2022-10-31 | Bottom hole flowing pressure detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218787118U (en) |
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2022
- 2022-10-31 CN CN202222874455.9U patent/CN218787118U/en active Active
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