CN219953299U - Double-layer drill rod deep hole high-pressure fracturing packer - Google Patents
Double-layer drill rod deep hole high-pressure fracturing packer Download PDFInfo
- Publication number
- CN219953299U CN219953299U CN202321497997.7U CN202321497997U CN219953299U CN 219953299 U CN219953299 U CN 219953299U CN 202321497997 U CN202321497997 U CN 202321497997U CN 219953299 U CN219953299 U CN 219953299U
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- China
- Prior art keywords
- sealing
- deep hole
- pipe
- high pressure
- fracturing packer
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- 238000007789 sealing Methods 0.000 claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 239000002775 capsule Substances 0.000 claims description 20
- 239000002355 dual-layer Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 7
- 239000010410 layer Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model discloses a double-layer drill rod deep hole high-pressure fracturing packer which comprises an outer joint, wherein an outer pipe is fixedly arranged on the inner side of one end of the outer joint, an inner pipe is welded on the inner side of the outer pipe, an opener is fixedly arranged in the middle of the surface of the outer pipe, the opener comprises a fixed seat and a fixed ring, threads of the fixed ring are arranged on the surface of the fixed seat, a supporting spring is fixedly arranged on one side of the fixed ring, which is far away from the fixed ring, and a sealing sleeve is fixedly arranged on one end, which is far away from the fixed ring, of the double-layer drill rod deep hole high-pressure fracturing packer.
Description
Technical Field
The utility model relates to the field of high-pressure fracturing packers, in particular to a double-layer drill rod deep hole high-pressure fracturing packer.
Background
When the annular space between the packing oil pipe and the oil gas well casing or the open hole well wall is needed, the packer is connected to the underground pipe column, and after the packer is lowered to the designed depth, the packing part on the packer is expanded to pack the annular space of the oil gas well casing in a hydraulic driving mode and the like. Different types of packers are activated and deactivated in different ways.
However, the existing high-pressure fracturing packer cannot realize water outlet at the pressure of 4-6 megapascals, so that the pressure in the pipeline is too high.
Disclosure of Invention
The utility model aims to provide a double-layer drill rod deep hole high-pressure fracturing packer so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a double-deck drilling rod deep hole high pressure fracturing packer, includes the external connection, the inboard of external connection one end is fixed to be provided with the outer tube, the inboard welding of outer tube has the inner tube, the fixed opener that is provided with in middle part on outer tube surface, the opener includes fixing base and solid fixed ring, gu fixed ring screw thread sets up in the surface of fixing base, gu fixed one side that keeps away from the fixing base is fixed to be provided with supporting spring, supporting spring keeps away from the fixed seal cover that is provided with of one end of gu fixed ring, the fixed sealing ring that is provided with of one end on outer tube surface, two delivery ports have been seted up to the inboard one end of outer tube, the fixed first high-pressure capsule that is provided with in the outside of external connection one end, the fixed sealing seat that is provided with of one end that is kept away from to first high-pressure capsule, the sealing seat is fixed to be set up in the surface of outer tube.
When the water pressure in the outer pipe is too high, the two expansion ports are opened, meanwhile, water is led into a sealing cavity formed by the sealing sleeve and the sealing ring through the two water outlets, when the water pressure reaches 4-6 megapascals, the sealing sleeve is pushed aside to compress the supporting spring, water outlet is realized, and when the water pressure is within 4 megapascals, the pressure is the expansion effect of the two packer capsules.
Preferably, the sealing seat is fixedly provided with two sealing rings at the joint of the outer tube, so that the sealing effect can be improved.
Preferably, two expansion ports are formed in one end, far away from the water outlet, of the inner side of the outer tube, the two expansion ports are arranged corresponding to the first high-pressure capsule, and the two expansion ports can be opened when the internal pressure of the outer tube is too high.
Preferably, a sealing cavity is formed between the sealing sleeve and the sealing ring, the two water outlets are arranged corresponding to the sealing cavity, and water is led into the sealing cavity formed by the sealing sleeve and the sealing ring through the two water outlets.
Preferably, the one end screw thread that the outer tube was kept away from the external connection is provided with the connecting seat, the surface screw thread of connecting seat is provided with the cutter, the cutting spout has been seted up on the top of cutter, the one end screw thread that the connecting seat was kept away from to the cutter inboard is provided with the connecting pipe, the fixed surface of connecting pipe is provided with the second high pressure capsule, and the effect of high pressure can be played in the setting of second high pressure capsule.
Preferably, an external thread is arranged at one end of the surface of the external joint far away from the first high-pressure capsule, so that the external thread is convenient to connect with a water inlet pipeline.
Preferably, the supporting spring and the sealing sleeve are both sleeved on the surface of the outer tube.
Compared with the prior art, the utility model has the beneficial effects that:
when the water pressure in the outer pipe is too high, the two expansion ports are opened, meanwhile, water is led into a sealing cavity formed by the sealing sleeve and the sealing ring through the two water outlets, when the water pressure reaches 4-6 megapascals, the sealing sleeve is pushed aside to compress the supporting spring, water outlet is realized, and when the water pressure is within 4 megapascals, the pressure is the expansion effect of the two packer capsules.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a block diagram of an opener according to the present utility model;
FIG. 3 is an enlarged view of part A of the present utility model;
fig. 4 is an enlarged view of a partial structure of the present utility model.
In the figure: 1. an outer joint; 2. an outer tube; 3. an inner tube; 4. an external thread; 5. an opener; 51. a fixing seat; 52. a fixing ring; 53. a support spring; 54. sealing sleeve; 6. a water outlet; 7. a seal ring; 8. a connecting seat; 9. a cutter; 10. a first high pressure capsule; 11. a sealing seat; 12. a seal ring; 13. an expansion port; 14. cutting the nozzle; 15. a connecting pipe; 16. and a second high pressure capsule.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1-4, the utility model provides a dual-layer drill pipe deep hole high-pressure fracturing packer, which comprises an outer joint 1, wherein an outer pipe 2 is fixedly arranged on the inner side of one end of the outer joint 1, an inner pipe 3 is welded on the inner side of the outer pipe 2, an opener 5 is fixedly arranged in the middle of the surface of the outer pipe 2, the opener 5 comprises a fixed seat 51 and a fixed ring 52, the fixed ring 52 is arranged on the surface of the fixed seat 51 in a threaded manner, a supporting spring 53 is fixedly arranged on one side of the fixed ring 52 away from the fixed seat 51, a sealing sleeve 54 is fixedly arranged on one end of the surface of the outer pipe 2, two water outlets 6 are formed on one end of the inner side of the outer pipe 2, a sealing seat 11 is fixedly arranged on the outer side of one end of the outer joint 1, the sealing seat 11 is fixedly arranged on the surface of the outer pipe 2, the two expansion ports 13 are opened when the water pressure in the outer pipe 2 is excessive, meanwhile, water is guided into a sealing cavity formed by the sealing sleeve 54 and the sealing sleeve 7 through the two water outlets 6, when the water pressure reaches 4-6 mpa, one side of the sealing sleeve 54 is pushed to the sealing sleeve, and the two water pressure megapascals are pushed to realize the function, when the water pressure reaches 4 mpa, the sealing sleeve is pushed to the two water pressure, the sealing sleeve 53 is compressed, and the water pressure is realized.
The junction of sealing seat 11 and outer tube 2 is fixed to be provided with two sealing washer 12, can improve sealed effect, and two expansion ports 13 have been seted up to the one end that delivery port 6 was kept away from to outer tube 2 inboard, and two expansion ports 13 all correspond the setting with first high pressure capsule 10, and two expansion ports 13 can be opened when outer tube 2 internal pressure is too big.
A sealing cavity is formed between the sealing sleeve 54 and the sealing ring 7, two water outlets 6 are respectively arranged corresponding to the sealing cavity, water is led into the sealing cavity formed by the sealing sleeve 54 and the sealing ring 7 through the two water outlets 6, the supporting spring 53 and the sealing sleeve 54 are respectively sleeved on the surface of the outer tube 2, and the external thread 4 is arranged at one end of the surface of the outer joint 1 far away from the first high-pressure capsule 10 so as to be convenient for connecting a water inlet pipeline.
The one end screw thread that outer tube 2 kept away from outer joint 1 is provided with connecting seat 8, and the surface screw thread of connecting seat 8 is provided with cutter 9, and cutting spout 14 has been seted up on the top of cutter 9, and the one end screw thread that connecting seat 8 was kept away from to cutter 9 inboard is provided with connecting pipe 15, and the fixed surface of connecting pipe 15 is provided with second high pressure capsule 16, and the effect of high pressure can be played to the setting of second high pressure capsule 16.
When the embodiment of the utility model is used, the following steps are adopted: the water inlet pipe is connected to the end part of the packer, high-pressure water is introduced into the packer, the high-pressure water is introduced into the cutter 9 and then sprayed out through the cutting nozzle 14 to carry out high-pressure fracturing treatment, in the use process, the two expansion ports 13 are opened when the water pressure in the outer pipe 2 is excessive, meanwhile, the water is introduced into a sealing cavity formed by the sealing sleeve 54 and the sealing ring 7 through the two water outlets 6, when the water pressure reaches 4-6 megapascals, the sealing sleeve 54 is pushed aside to compress the supporting spring 53, and water outlet is realized, and when the water pressure is within 4 megapascals, the pressure is the expansion effect of the two packer capsules.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. Double-deck drilling rod deep hole high pressure fracturing packer, including outer joint (1), its characterized in that: the utility model discloses a sealing device for the outer joint of the automobile, including outer joint (1), outer pipe (2), inner pipe (3) are fixedly arranged in the inboard welding of outer pipe (2), the fixed opener (5) that is provided with in middle part on outer pipe (2) surface, opener (5) include fixing base (51) and solid fixed ring (52), gu fixed ring (52) screw thread sets up in the surface of fixing base (51), gu fixed one side that fixing base (51) was kept away from to solid fixed ring (52) is fixedly provided with supporting spring (53), supporting spring (53) are kept away from gu fixed seal cover (54) that is provided with in one end of solid fixed ring (52), two delivery ports (6) are fixedly provided with in the one end on outer pipe (2) surface, the outside of outer joint (1) one end is fixedly provided with first high-pressure capsule (10), the one end that outer joint (1) was kept away from to first high-pressure capsule (10) is fixedly provided with sealing seat (11), sealing seat (11) is fixedly set up in the surface of outer pipe (2).
2. The dual-layer drill pipe deep hole high pressure fracturing packer of claim 1, wherein: two sealing rings (12) are fixedly arranged at the joint of the sealing seat (11) and the outer tube (2).
3. The dual-layer drill pipe deep hole high pressure fracturing packer of claim 1, wherein: two expansion ports (13) are formed in one end, far away from the water outlet (6), of the inner side of the outer tube (2), and the two expansion ports (13) are arranged corresponding to the first high-pressure capsule (10).
4. The dual-layer drill pipe deep hole high pressure fracturing packer of claim 1, wherein: a sealing cavity is formed between the sealing sleeve (54) and the sealing ring (7), and the two water outlets (6) are arranged corresponding to the sealing cavity.
5. The dual-layer drill pipe deep hole high pressure fracturing packer of claim 1, wherein: the outer tube (2) is kept away from the one end screw thread of external joint (1) and is provided with connecting seat (8), the surface screw thread of connecting seat (8) is provided with cutter (9), cutting spout (14) have been seted up on the top of cutter (9), the one end screw thread that connecting seat (8) was kept away from to cutter (9) inboard is provided with connecting pipe (15), the fixed surface of connecting pipe (15) is provided with second high pressure capsule (16).
6. The dual-layer drill pipe deep hole high pressure fracturing packer of claim 1, wherein: and an external thread (4) is arranged at one end, far away from the first high-pressure capsule (10), of the surface of the external joint (1).
7. The dual-layer drill pipe deep hole high pressure fracturing packer of claim 1, wherein: the supporting spring (53) and the sealing sleeve (54) are both sleeved on the surface of the outer tube (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321497997.7U CN219953299U (en) | 2023-06-13 | 2023-06-13 | Double-layer drill rod deep hole high-pressure fracturing packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321497997.7U CN219953299U (en) | 2023-06-13 | 2023-06-13 | Double-layer drill rod deep hole high-pressure fracturing packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219953299U true CN219953299U (en) | 2023-11-03 |
Family
ID=88551573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321497997.7U Active CN219953299U (en) | 2023-06-13 | 2023-06-13 | Double-layer drill rod deep hole high-pressure fracturing packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219953299U (en) |
-
2023
- 2023-06-13 CN CN202321497997.7U patent/CN219953299U/en active Active
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