CN212428624U - Multi-layer fracturing process pipe column and fracturing tool string thereof - Google Patents
Multi-layer fracturing process pipe column and fracturing tool string thereof Download PDFInfo
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- CN212428624U CN212428624U CN202021194275.0U CN202021194275U CN212428624U CN 212428624 U CN212428624 U CN 212428624U CN 202021194275 U CN202021194275 U CN 202021194275U CN 212428624 U CN212428624 U CN 212428624U
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Abstract
The utility model discloses a multilayer fracturing technology tubular column and fracturing tool string thereof, which comprises a pipe body, be provided with first packer on the body, and the bottom that just is located first packer on the body is provided with the second packer, the top both sides of second packer all are fixed with the connecting block that is down L shape, and the connecting block passes through the hydraulic stem fixed with the bottom of first packer, the bottom intercommunication of body has the solid fixed cylinder, the inside of solid fixed cylinder is provided with the cavity, and the inner wall of cavity is provided with the inclined plane, the spheroid has been placed on the inclined plane, the inside of second packer is fixed with the sleeve pipe, and the sleeve pipe slides on the body, the utility model relates to an oil recovery technical field. The multi-layer fracturing process tubular column and the fracturing tool string thereof solve the problems that the traditional fracturing process tubular column is single in structure, and the fracturing layer cannot be adjusted in the working process to influence the oil extraction efficiency.
Description
Technical Field
The utility model relates to an oil recovery technical field specifically is a multilayer fracturing technology tubular column and fracturing tool string thereof.
Background
The fracturing is a method for forming cracks on an oil-gas layer by utilizing the hydraulic action in the oil extraction or gas production process, and is also called hydraulic fracturing, wherein a fracturing truck is used in the fracturing process of the oil-gas layer, high-pressure large-discharge liquid with certain viscosity is squeezed into the oil layer, and after a plurality of cracks are formed on the oil layer, a propping agent is added to fill the cracks, so that the permeability of the oil-gas layer is improved, the water injection amount and the oil production amount are increased, the traditional fracturing process pipe column has a single structure, and the fracturing layer cannot be adjusted in the working process, so that the oil extraction efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The not enough to prior art, the utility model provides a multilayer fracturing technology tubular column and fracturing tool string thereof has solved traditional fracturing technology tubular column single structure, can not adjust the fracturing layer in the working process, influences oil recovery efficiency's problem.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a multi-layer fracturing process pipe column and a fracturing tool string thereof comprise a pipe body, wherein a first packer is arranged on the pipe body, a second packer is arranged on the pipe body and positioned at the bottom of the first packer, reverse L-shaped connecting blocks are fixed on two sides of the top of the second packer, and the connecting blocks are fixed with the bottom of the first packer through hydraulic rods;
the bottom intercommunication of body has a fixed section of thick bamboo, the inside of fixed section of thick bamboo is provided with the cavity, and the inner wall of cavity is provided with the inclined plane, placed the spheroid on the inclined plane.
Preferably, a sleeve is fixed inside the second packer, and the sleeve slides on the pipe body.
Preferably, a hydraulic anchor is arranged on the top of the first packer and above the pipe body.
Preferably, a sand blaster is arranged on the pipe body and between the first packer and the second packer.
Preferably, the pipe body is sleeved with a fixing ring, and a spring piece is arranged between the fixing ring and the fixing barrel.
Advantageous effects
The utility model provides a multilayer fracturing technology tubular column and fracturing tool string thereof. The method has the following beneficial effects:
this multilayer fracturing technology tubular column and fracturing tool string thereof, the body is arranged in the oil well, increase water pressure through the hydraulic anchor and make liquid squeeze into the oil reservoir, the oil reservoir lies in and extrudes many cracks between first packer and the second packer, form the fracturing layer, it fills into the crack to add the proppant through the sand blaster, it is fixed with the bottom of first packer to pass through the hydraulic stem through the kicking block, adjust the fracturing layer, traditional fracturing technology tubular column single structure has been solved, the fracturing layer can not be adjusted in the course of the work, influence the problem of oil recovery efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an internal sectional view of the structure-fixing barrel of the present invention.
In the figure: the packer comprises a pipe body 1, a first packer 2, a second packer 3, a connecting block 4, a hydraulic rod 5, a fixing barrel 6, a chamber 7, an inclined plane 8, a ball 9, a sleeve 10, a hydraulic anchor 11, a sand blaster 12, a fixing ring 13 and a spring piece 14.
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. 1-2, the present invention provides a technical solution: a multi-layer fracturing process pipe column and a fracturing tool string thereof comprise a pipe body 1, wherein a first packer 2 is arranged on the pipe body 1, a second packer 3 is arranged on the pipe body 1 and positioned at the bottom of the first packer 2, reverse L-shaped connecting blocks 4 are fixed on two sides of the top of the second packer 3, and the connecting blocks 4 are fixed with the bottom of the first packer 2 through hydraulic rods 5;
as shown in fig. 2, the bottom end of the tube body 1 of the present invention is connected with a fixed cylinder 6, a chamber 7 is arranged inside the fixed cylinder 6, an inclined plane 8 is arranged on the inner wall of the chamber 7, and a ball 9 is placed on the inclined plane 8;
the utility model discloses the inside of second packer 3 is fixed with sleeve pipe 10, and sleeve pipe 10 slides on body 1, the top that just is located first packer 2 on body 1 is provided with hydraulic anchor 11, body 1 go up and be located and be provided with sand blaster 12 between first packer 2 and the second packer 3, add the proppant through sand blaster 12 and fill the crack, body 1 goes up to have cup jointed solid fixed ring 13, and be provided with spring leaf 14 between solid fixed ring 13 and the solid fixed cylinder 6, the cushioning effect has, cushion body 1.
During operation, body 1 is arranged in the oil well, increases water pressure through hydraulic anchor 11 and makes liquid squeeze into the oil reservoir, and the oil reservoir lies in and extrudes many cracks between first packer 2 and the second packer 3, forms the fracturing layer, adds proppant through sand blaster 12 and fills into the crack, and is fixed through hydraulic stem 5 and the bottom of first packer 2 through piecing together 4, adjusts the fracturing layer.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a multilayer fracturing technology tubular column and fracturing tool string thereof, includes body (1), its characterized in that: a first packer (2) is arranged on the pipe body (1), a second packer (3) is arranged on the pipe body (1) and positioned at the bottom of the first packer (2), inverted-L-shaped connecting blocks (4) are fixed on two sides of the top of the second packer (3), and the connecting blocks (4) are fixed with the bottom of the first packer (2) through hydraulic rods (5);
the bottom of body (1) communicates with a fixed section of thick bamboo (6), the inside of fixed section of thick bamboo (6) is provided with cavity (7), and the inner wall of cavity (7) is provided with inclined plane (8), place spheroid (9) on inclined plane (8).
2. The multi-layer fracturing process string and the fracturing tool string thereof according to claim 1, wherein: and a sleeve (10) is fixed inside the second packer (3), and the sleeve (10) slides on the pipe body (1).
3. The multi-layer fracturing process string and the fracturing tool string thereof according to claim 1, wherein: and a hydraulic anchor (11) is arranged on the top of the pipe body (1) and positioned on the first packer (2).
4. The multi-layer fracturing process string and the fracturing tool string thereof according to claim 1, wherein: and a sand blaster (12) is arranged on the pipe body (1) and between the first packer (2) and the second packer (3).
5. The multi-layer fracturing process string and the fracturing tool string thereof according to claim 1, wherein: the upper sleeve of the tube body (1) is connected with a fixing ring (13), and a spring piece (14) is arranged between the fixing ring (13) and the fixing cylinder (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021194275.0U CN212428624U (en) | 2020-06-24 | 2020-06-24 | Multi-layer fracturing process pipe column and fracturing tool string thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021194275.0U CN212428624U (en) | 2020-06-24 | 2020-06-24 | Multi-layer fracturing process pipe column and fracturing tool string thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212428624U true CN212428624U (en) | 2021-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021194275.0U Active CN212428624U (en) | 2020-06-24 | 2020-06-24 | Multi-layer fracturing process pipe column and fracturing tool string thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212428624U (en) |
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2020
- 2020-06-24 CN CN202021194275.0U patent/CN212428624U/en active Active
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