CN218467592U - Seat seals inflation integral type hydraulic fracturing hole sealing device - Google Patents
Seat seals inflation integral type hydraulic fracturing hole sealing device Download PDFInfo
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- CN218467592U CN218467592U CN202222784337.9U CN202222784337U CN218467592U CN 218467592 U CN218467592 U CN 218467592U CN 202222784337 U CN202222784337 U CN 202222784337U CN 218467592 U CN218467592 U CN 218467592U
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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
- Y02E10/00—Energy generation through renewable energy sources
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Abstract
The utility model discloses a sit and seal inflation integral type hydraulic fracturing hole sealing device, including fracturing pipe, seat module and inflation capsule, two seat module fixed mounting are in the both ends of inflation capsule, and seat module cup joints the surface of assembling in fracturing pipe with inflation capsule, and the hole sealing device water inlet has been seted up to the outer end of seat module, and seat module is including sitting a module casing, flexible piece, cyclic annular end cap, spring and seat module base, the utility model discloses set up and detained the seat module of pressing the formula of pressing with inflation capsule and be connected, formed the convenient hole sealing device who dismantles the equipment, make it use more convenient with the maintenance, this hole sealing device is whole sealed, keeps apart with external cinder, can not make impurity get into and lead to this hole sealing device inefficacy or impaired, and the flexible piece that is provided with the cone inserts the drilling hole wall through pressure removal, can keep comparatively lasting seat effect, and after dismantling pressure, is convenient for take out this device, increases its life and number of times when realizing effective work.
Description
Technical Field
The utility model belongs to the technical field of the colliery underground hydraulic fracturing hole sealing, a sit and seal inflation integral type hydraulic fracturing hole sealing device is provided very much.
Background
Along with the transfer of coal mining to deep parts, various disasters of coal mines are gradually serious and complex, especially disasters such as gas, roofs and the like, the hydraulic fracturing technology is widely applied to the aspects of coal mine roadway and stope roof treatment and gas pumping promotion of low-permeability coal seams, but the existing fracturing drilling hole sealing modes still mostly adopt cement paste hole sealing and single expansion hole sealing devices, wherein the cement paste hole sealing is not beneficial to multiple times of fracturing or drilling treatment, the resource waste is large, the single expansion hole sealing device adopts a hydraulic expansion capsule to extrude the wall of a drilling hole, the friction force is generated to seal, the hole sealing effect is poor, and the sliding is easy to occur in the high-pressure water fracturing process. Therefore, a sealing device which has excellent sealing effect, large sealing bearing pressure, easy replacement of related parts and repeated use of a main body device is needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a sit and seal inflation integral type hydraulic fracturing hole sealing device.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a sit and seal inflation integral type hydraulic fracturing hole sealing device, includes fracturing pipe, sits and seals module and inflation capsule, two sit and seal module fixed mounting in the both ends of inflation capsule, sit and seal the module and cup joint the assembly in the surface of fracturing pipe with the inflation capsule, the hole sealing device water inlet has been seted up to the outer end of sitting and sealing the module.
The setting module comprises a setting module shell, a telescopic block, an annular plug, a spring and a setting module base, wherein the setting module base is fixedly assembled at one end of an expansion capsule, a threaded hole is uniformly formed in the outer surface of the setting module base, the setting module shell is screwed in the threaded hole, an annular blocking body is integrally formed on the inner side of the outer end of the setting module shell, the annular plug is screwed on the inner side of the inner end of the setting module shell, the telescopic block is assembled in the setting module shell in a movable mode, the diameter of the lower half portion of the telescopic block is identical to the inner diameter of the setting module shell, the diameter of the upper half portion of the telescopic block is identical to the inner diameter of the annular blocking body, the spring is arranged between the telescopic block and the annular blocking body, and the inner end of the setting module base is provided with an expansion capsule water inlet.
Furthermore, the number of the threaded holes in the base of each setting module is four, and the threaded holes are evenly distributed.
Furthermore, the outer end of the telescopic block is integrally formed with a cone.
Furthermore, the setting module further comprises a sealing washer, an annular plate is integrally formed on the outer side of the outer end of the setting module shell, and the sealing washer is arranged between the setting module shell and the setting module base.
Further, the setting module further comprises a sliding seal ring, an annular groove is formed in the outer surface of the lower half portion of the telescopic block, and the sliding seal ring is assembled in the annular groove.
Use the utility model discloses a beneficial effect is:
1. the utility model discloses set up and detain the seat that the pressure formula is connected with the inflation capsule and seal the module, and the seat module inner structure mainly connects with threaded connection's mode, forms the hole sealing device of convenient dismantlement equipment, makes its use more convenient with the maintenance.
2. The utility model discloses whole seal keeps apart with external cinder, can not make impurity get into and lead to this hole sealing device to become invalid or impaired.
3. The telescopic block provided with the cone can be moved to be inserted into the hole wall of the drill hole through pressure, so that a relatively lasting setting effect can be kept, the device is convenient to take out after the pressure is relieved, and the service life and the times of the device are prolonged while effective hole sealing work is realized.
Drawings
Fig. 1 is a front sectional view of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1 according to the present invention.
The reference numerals include: 1. the hole sealing device comprises a hole sealing device water inlet, 2, a fracturing pipe, 3, a setting module, 31, a setting module shell, 32, a telescopic block, 33, an annular plug, 34, a spring, 35, a sealing washer, 36, a sliding sealing washer, 37, a setting module base, 38, an expansion capsule water inlet, 4 and an expansion capsule.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and 2, an inflation integral type hydraulic fracturing hole sealing device sits, including fracturing pipe 2, sit and seal module 3 and inflation capsule 4, two sit and seal module 3 fixed mounting in the both ends of inflation capsule 4, sit and seal module 3 and inflation capsule 4 and cup joint the assembly in fracturing pipe 2's surface, sit the outer end of sealing module 3 and seted up hole sealing device water inlet 1.
The fracturing pipe 2 is used for hydraulic fracturing operation, the fracturing pipe 2 is connected with a fracturing pump through a high-pressure rubber pipe, the expansion capsule 4 and the setting module 3 are connected with an independent manual pressurizing pump through the high-pressure rubber pipe, and therefore the fracturing pipe 2, the expansion capsule 4 and the setting module 3 are different water supply systems.
The setting module 3 comprises a setting module shell 31, a telescopic block 32, an annular plug 33, a spring 34 and a setting module base 37, the setting module base 37 is fixedly assembled at one end of the expansion capsule 4, a threaded hole is uniformly formed in the outer surface of the setting module base 37, the setting module shell 31 is screwed in the threaded hole, an annular blocking body is integrally formed on the inner side of the outer end of the setting module shell 31, the annular plug 33 is screwed on the inner side of the inner end of the setting module shell 31, the telescopic block 32 is assembled in the setting module shell 31 in a movable mode, the diameter of the lower half part of the telescopic block 32 is identical to the inner diameter of the setting module shell 31, the diameter of the upper half part of the telescopic block 32 is identical to the inner diameter of the annular blocking body, the spring 34 is arranged between the telescopic block 32 and the annular blocking body, and an expansion capsule water inlet 38 is formed in the inner end of the setting module base 37.
The seat module base 37 and the expansion capsule 4 are connected by a press-fit connection.
The setting module 3 is communicated with the expansion capsule 4 through an expansion capsule water inlet 38, so that water flowing from the hole sealing device water inlet 1 can flow into the setting module 3 and the expansion capsule 4, and hole sealing work is further realized.
The spring 34 is always in compression, thus making the initial position of the telescoping block 32 the innermost position within the setting module housing 31.
Before fracturing operation, the hole sealing device needs to be placed into a specified position in a constructed borehole, the setting module 3 and the expansion capsule 4 are boosted through a manual pressurizing pump, and when the expansion capsule 4 is expanded and sealed, the compression force of the expansion block 32 of the setting module 3 overcomes the elastic force of the spring 34 to stretch out and is fixed on the wall of the borehole, so that the position of the hole sealing device is fixed, and fracturing operation can be performed after stable pressure.
After the hydraulic fracturing operation is completed, the pressure of the fracturing pipe 2 is released, then the pressure of the pressurizing pump is released, the expansion block 32 is retracted under the elastic force of the spring 34, the expansion capsule 4 contracts, and then the hole sealing device can be taken out, so that the hole sealing device can be used repeatedly.
The two ends of the hole sealing device are respectively provided with a hole sealing device water inlet 1 on the setting module 3, the secondary hole sealing devices can be used independently or jointly, one hole sealing device water inlet 1 needs to be sealed when the hole sealing devices are used singly, and the plurality of hole sealing devices can utilize the hole sealing device water inlets 1 to be connected with each other and seal the last hole sealing device water inlet 1 by a plug.
Specifically, four threaded holes are uniformly distributed in each setting module base 37, so that the telescopic block 32 of each setting module 3 can be inserted into the wall of a drill hole from four directions for fixing.
The number and distribution of the threaded holes in the setting module base 37 can be designed and adjusted according to the actual situation.
Specifically, the outer end of the telescopic block 32 is integrally formed with a cone.
The cone is arranged, so that the telescopic block 32 can be more conveniently and effectively inserted into the wall of a drill hole to fix the hole sealing device.
When water is not added into the setting module 3 and the expansion capsule 4 for pressure rise, the outermost end of the cone needs to be ensured to be coplanar with the outer surface of the expansion capsule 4, and meanwhile, the maximum outer diameter of the setting module 3 needs to be ensured not to be larger than the outer diameter of the expansion capsule 4.
Particularly, the setting module 3 further comprises a sealing gasket 35, an annular plate is integrally formed on the outer side of the outer end of the setting module shell 31, the sealing gasket 35 is arranged between the setting module shell 31 and the setting module base 37, and the sealing and pressure maintaining effects are achieved on the inner space of the setting module 3 and the inner space of the expansion capsule 4.
Specifically, the setting module 3 further comprises a sliding seal ring 36, an annular groove is formed in the outer surface of the lower half portion of the telescopic block 32, and the sliding seal ring 36 is assembled in the annular groove to play a role in sealing and maintaining pressure for the inner space of the setting module 3 and the inner space of the expansion capsule 4.
The sealing device is integrally sealed by the sealing washer 35 and the sliding sealing washer 36 and isolated from outside coal cinder, so that impurities cannot enter to cause the sealing device to lose effectiveness or be damaged.
The above description is only a preferred embodiment of the present invention, and many changes can be made in the detailed description and the application scope according to the idea of the present invention for those skilled in the art, which all belong to the protection scope of the present invention as long as the changes do not depart from the concept of the present invention.
Claims (5)
1. The utility model provides a sit and seal inflation integral type hydraulic fracturing hole sealing device which characterized in that: the fracturing pipe comprises a fracturing pipe (2), setting modules (3) and expansion capsules (4), wherein the two setting modules (3) are fixedly arranged at two ends of each expansion capsule (4), the setting modules (3) and the expansion capsules (4) are assembled on the outer surface of the fracturing pipe (2) in a sleeved mode, and the outer ends of the setting modules (3) are provided with hole sealing device water inlets (1);
the setting module (3) comprises a setting module shell (31), a telescopic block (32), an annular plug (33), a spring (34) and a setting module base (37), the setting module base (37) is fixedly assembled at one end of the expansion capsule (4), a threaded hole is uniformly formed in the outer surface of the setting module base (37), the setting module shell (31) is screwed in the threaded hole, an annular blocking body is integrally formed on the inner side of the outer end of the setting module shell (31), the annular plug (33) is screwed on the inner side of the inner end of the setting module shell (31), the telescopic block (32) is assembled on the inner portion of the setting module shell (31) in a movable mode, the diameter of the lower half portion of the telescopic block (32) is identical to the inner diameter of the setting module shell (31), the diameter of the upper half portion of the telescopic block (32) is identical to the inner diameter of the annular blocking body, the spring (34) is arranged between the telescopic block (32) and the annular blocking body, and an expansion capsule water inlet (38) is formed in the inner end of the setting module base (37).
2. The setting and expansion integrated hydraulic fracturing hole sealing device according to claim 1, wherein: the number of the threaded holes in each setting module base (37) is four, and the four threaded holes are evenly distributed.
3. The setting and expansion integrated hydraulic fracturing hole sealing device according to claim 1, characterized in that: the outer end of the telescopic block (32) is integrally formed with a cone.
4. The setting and expansion integrated hydraulic fracturing hole sealing device according to claim 1, wherein: the setting module (3) further comprises a sealing washer (35), an annular plate is integrally formed on the outer end of the setting module shell (31), and the sealing washer (35) is arranged between the setting module shell (31) and the setting module base (37).
5. The setting and expansion integrated hydraulic fracturing hole sealing device according to claim 1, wherein: the setting module (3) further comprises a sliding sealing ring (36), an annular groove is formed in the outer surface of the lower half portion of the telescopic block (32), and the sliding sealing ring (36) is assembled in the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222784337.9U CN218467592U (en) | 2022-10-21 | 2022-10-21 | Seat seals inflation integral type hydraulic fracturing hole sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222784337.9U CN218467592U (en) | 2022-10-21 | 2022-10-21 | Seat seals inflation integral type hydraulic fracturing hole sealing device |
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| CN218467592U true CN218467592U (en) | 2023-02-10 |
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| CN202222784337.9U Active CN218467592U (en) | 2022-10-21 | 2022-10-21 | Seat seals inflation integral type hydraulic fracturing hole sealing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116927785A (en) * | 2023-08-08 | 2023-10-24 | 华北科技学院(中国煤矿安全技术培训中心) | Static fracturing drilling hole wall directional indentation device |
-
2022
- 2022-10-21 CN CN202222784337.9U patent/CN218467592U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116927785A (en) * | 2023-08-08 | 2023-10-24 | 华北科技学院(中国煤矿安全技术培训中心) | Static fracturing drilling hole wall directional indentation device |
| CN116927785B (en) * | 2023-08-08 | 2024-03-29 | 华北科技学院(中国煤矿安全技术培训中心) | Static fracturing drilling hole wall directional indentation device |
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