CN215256141U - Immovable pipe column hydraulic sand blasting perforation fracturing tool string - Google Patents
Immovable pipe column hydraulic sand blasting perforation fracturing tool string Download PDFInfo
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- CN215256141U CN215256141U CN202121585888.1U CN202121585888U CN215256141U CN 215256141 U CN215256141 U CN 215256141U CN 202121585888 U CN202121585888 U CN 202121585888U CN 215256141 U CN215256141 U CN 215256141U
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Abstract
The utility model discloses a motionless tubular column water conservancy sandblast perforation fracturing tool cluster, including the director, director fixed connection serves at the screen pipe, and first festival hoop is in the same place the other end of screen pipe and the one end fixed connection of single current valves, and the other end of single current valves and the ordinary one end fixed connection who sprays the body, the utility model provides high operation tool spray intensity under the multilayer construction environment has reduced the wearing and tearing of solid particle to the instrument under the multilayer construction, and the construction success rate is high.
Description
Technical Field
The utility model relates to an oil gas fracturing technical field, concretely relates to motionless tubular column water conservancy sandblast perforation fracturing tool string.
Background
In the oil and gas downhole operation construction, the hydraulic sand-blasting perforation fracturing technology is commonly used, but the factors of scouring, back-splashing, damage and the like of solid particles in a medium easily cause tool abrasion in the operation process, and in the multilayer construction, the length of a construction tool string is short to cause microscopic construction effect, and meanwhile, the dragging of a pipe column is easy to cause the prolongation of the construction period, so that the construction efficiency is influenced, and the development of the immobile pipe column multilayer jet fracturing construction is particularly important.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a problem that motionless tubular column water conservancy sandblast perforation fracturing tool cluster proposed in order to solve above-mentioned background art, the utility model provides a following technical scheme: a hydraulic sand-blasting perforation fracturing tool string of a fixed pipe column comprises a guide body, a sieve pipe, a first section hoop, a second section hoop, a single-flow valve group, a common injection body, an oil pipe short joint, a sliding sleeve type injection body and a fracturing ball, wherein the guide body is fixedly connected with one end of the sieve pipe, the other end of the sieve pipe is fixedly connected with the single-flow valve group, and the first section hoop is fixedly connected to the joint of the sieve pipe and the single-flow valve group;
the single-flow valve group is fixedly connected with one end of the common injection body, the other end of the common injection body is fixedly connected with one end of the oil pipe short section, the other end of the oil pipe short section is fixedly connected with one end of the sliding sleeve type injection body, the second section hoop is fixedly connected to the joint of the oil pipe short section and the sliding sleeve type injection body, and a fracturing ball is arranged inside the other end of the sliding sleeve type injection body.
The utility model provides a technical scheme's beneficial effect is: compared with the prior art, the tool string comprises a guide body, a sieve tube, a first section hoop, a second section hoop, a single-flow valve group, a common injection body, an oil tube short section, a sliding sleeve type injection body and a fracturing ball, when the oil-gas well is operated in a multilayer mode, the tool string is firstly put into a position needing construction in the underground oil tube, the sliding sleeve type injection body does not work when the position below the common injection body is constructed, after the position below the common injection body is constructed, the fracturing ball is put into the sliding sleeve type injection body to cut off a sliding sleeve shear pin by hydraulic pressure, a sliding sleeve descends, the fracturing ball forms an upper single-flow valve, when the subsequent construction is carried out, the lower common injection body does not work any more, the common injection body and the sliding sleeve type injection body are matched with each other to improve the efficiency of the multilayer construction, secondly, the first section hoop fixedly connects the sieve tube and the single-flow valve group to reduce the abrasion of solid particles in a medium to the tool, the second section hoop connects the oil tube short section and the sliding sleeve type injection body, and can ensure that the sliding sleeve type injection body is located at the upper layer construction, the whole tool string is simple to operate under the cooperation, the construction risk is reduced, the construction efficiency and the safety are improved, and the benefit is remarkable.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Reference numerals: the device comprises a guide body 1, a sieve tube 2, a first joint hoop 3, a single-flow valve bank 4, a common injection body 5, an oil tube short section 6, a second joint hoop 7, a sliding sleeve type injection body 8 and a fracturing ball 9.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
A hydraulic sand-blasting perforation fracturing tool string of a fixed pipe column comprises a guide body 1, a sieve pipe 2, a first section hoop 3, a second section hoop 7, a single-flow valve group 4, a common injection body 5, an oil pipe short section 6, a sliding sleeve type injection body 8 and a fracturing ball 9, wherein the guide body 1 is fixedly connected with one end of the sieve pipe 2, the other end of the sieve pipe 2 is fixedly connected with the single-flow valve group 4, and the first section hoop 3 is fixedly connected to the joint of the sieve pipe 2 and the single-flow valve group 4;
the single-flow valve group 4 is fixedly connected with one end of the common injection body 5, the other end of the common injection body 5 is fixedly connected with one end of the oil pipe nipple 6, the other end of the oil pipe nipple 6 is fixedly connected with one end of the sliding sleeve type injection body 8, the second joint hoop 7 is fixedly connected with the joint of the oil pipe nipple 6 and the sliding sleeve type injection body 8, and a fracturing ball 9 is arranged inside the other end of the sliding sleeve type injection body 8.
Referring to fig. 1, the guide body 1 is fixedly connected with one end of a screen pipe 2, and a first joint hoop 3 fixedly connects the other end of the screen pipe 2 with one end of a single flow valve group 4;
the other end of the single-flow valve group 4 is fixedly connected with one end of a common injection body 5, the other end of the common injection body 5 is fixedly connected with one end of an oil pipe short section 6, a second joint hoop 7 fixedly connects the other end of the oil pipe short section 6 with one end of a sliding sleeve type injection body 8, and a fracturing ball 9 is arranged inside the other end of the sliding sleeve type injection body 8.
During operation, the whole tool string is put into a construction position required in an underground oil pipe, the problem that only one layer can be constructed in one construction is solved, the sliding sleeve injection body does not work in the construction position below the ordinary injection body, after the construction position below the sliding sleeve injection body is finished, the sliding sleeve shear pin is cut off by hydraulic pressure when a fracturing ball is put into use, the sliding sleeve goes down, and the fracturing ball forms an upper check valve.
The utility model provides a technical scheme's beneficial effect is: compared with the prior art, the tool string comprises a guide body, a sieve tube, a first section hoop, a second section hoop, a single-flow valve group, a common injection body, an oil tube short section, a sliding sleeve type injection body and a fracturing ball, when the oil-gas well is operated in a multilayer mode, the tool string is firstly put into a position needing construction in the underground oil tube, the sliding sleeve type injection body does not work when the position below the common injection body is constructed, after the position below the common injection body is constructed, the fracturing ball is put into the sliding sleeve type injection body to cut off a sliding sleeve shear pin by hydraulic pressure, a sliding sleeve descends, the fracturing ball forms an upper single-flow valve, when the subsequent construction is carried out, the lower common injection body does not work any more, the common injection body and the sliding sleeve type injection body are matched with each other to improve the efficiency of the multilayer construction, secondly, the first section hoop fixedly connects the sieve tube and the single-flow valve group to reduce the abrasion of solid particles in a medium to the tool, the second section hoop connects the oil tube short section and the sliding sleeve type injection body, and can ensure that the sliding sleeve type injection body is located at the upper layer construction, the whole tool string is simple to operate under the cooperation, the construction risk is reduced, the construction efficiency and the safety are improved, and the benefit is remarkable.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (4)
1. The utility model provides a motionless tubular column water conservancy sandblast perforation fracturing tool cluster which characterized in that: the tool string comprises a sieve tube (2), a single-flow valve group (4), a common injection body (5), an oil tube short joint (6) and a sliding sleeve type injection body (8) which are sequentially connected, wherein a fracturing ball (9) is arranged inside the sliding sleeve type injection body (8).
2. The string of immobile string hydraulic jet perforation fracturing tools of claim 1, wherein: the sieve tube (2) and the single flow valve group (4) are fixedly connected through a first section hoop (3).
3. The string of immobile string hydraulic jet perforation fracturing tools of claim 1, wherein: the oil pipe short section (6) and the sliding sleeve type injection body (8) are fixedly connected through a second section hoop (7).
4. The string of immobile string hydraulic jet perforation fracturing tools of claim 1, wherein: and one end of the sieve tube (2) far away from the single flow valve group (4) is fixedly connected with the guide body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121585888.1U CN215256141U (en) | 2021-07-13 | 2021-07-13 | Immovable pipe column hydraulic sand blasting perforation fracturing tool string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121585888.1U CN215256141U (en) | 2021-07-13 | 2021-07-13 | Immovable pipe column hydraulic sand blasting perforation fracturing tool string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215256141U true CN215256141U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121585888.1U Active CN215256141U (en) | 2021-07-13 | 2021-07-13 | Immovable pipe column hydraulic sand blasting perforation fracturing tool string |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215256141U (en) |
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2021
- 2021-07-13 CN CN202121585888.1U patent/CN215256141U/en active Active
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