CN219281683U - Releasing device for petroleum casing drilling - Google Patents
Releasing device for petroleum casing drilling Download PDFInfo
- Publication number
- CN219281683U CN219281683U CN202223369028.1U CN202223369028U CN219281683U CN 219281683 U CN219281683 U CN 219281683U CN 202223369028 U CN202223369028 U CN 202223369028U CN 219281683 U CN219281683 U CN 219281683U
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- piece
- shearing
- stabilizing mechanism
- barrel
- fixed
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a releasing device for petroleum casing drilling, which is characterized in that: the novel cutting device comprises a barrel, a cutting part is arranged on the barrel, a stabilizing mechanism is arranged in the barrel and comprises a fixing column, a fixing part is arranged on the fixing column, and the fixing part is fixed in the barrel through the cutting part. According to the utility model, the stabilizing mechanism is arranged in the cylinder body, the shearing piece is arranged on the cylinder body, the stabilizing mechanism is fixed in the cylinder body through the shearing piece, one end of the sleeve is arranged on the stabilizing mechanism, and along with the increase of thrust, the shearing piece can be sheared by the stabilizing mechanism to replace a shearing ring piece and a fixed connecting section, so that impact force generated when the sleeve descends is avoided, and the shearing piece and the fixed piece are loosened to influence the sleeve to descend; the releasing device is composed of the cylinder body, the stabilizing mechanism and the shearing piece, and has simple production structure and low use cost.
Description
Technical Field
The utility model belongs to the technical field of oilfield equipment, and particularly relates to a releasing device for petroleum casing drilling.
Background
The releasing operation means that the casing with the cylinder is left at a preset position in the well; it is important to provide a release device in a well completion operation to deliver the bridge plug to a predetermined location in the wellbore and to be lost to play a packing role in the wellbore. The existing releasing device comprises a cylinder body, a central shaft, a connecting cylinder and a shear ring piece; the cylinder body comprises a small-diameter section and a large-diameter section which are sequentially connected, and a first stop boss is arranged on the inner wall of the small-diameter section; the connecting cylinder comprises a fixed connecting section and a contractible diameter connecting section which are connected in sequence; the fixed connecting section is in threaded connection with the large-diameter section, an annular gap is formed between the fixed connecting section and the step surface between the small-diameter section and the large-diameter section, and the shear ring piece is arranged in the annular gap; the diameter-reducible connecting section is in threaded connection with a joint of the target bridge plug; the central shaft stretches into the cylinder body and the connecting cylinder, a second stop boss propped against the lower end of the shear ring piece is arranged on the outer wall, and the lower end is used for enabling the connecting section capable of reducing to be in a non-reducing state; in the actual use process, since the shear ring piece is fixed with the cylinder body through the fixed connecting section, impact force generated when the sleeve falls down impacts on the shear ring piece, a lever principle is formed between the shear ring piece and the cylinder body and between the shear ring piece and the fixed connecting section, and then the fixed connecting section is lifted up, so that the looseness of the fixed connecting section and the shear ring piece is caused, and the sleeve is influenced to fall down; moreover, the existing releasing device is too complex in structure, so that the use cost is high.
Disclosure of Invention
The utility model aims to provide a releasing device for petroleum casing drilling, which solves the problems of complex structure and high use cost in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a petroleum casing drilling is with giving up, includes the barrel, be provided with the piece of cutting on the barrel, be provided with stabilizing mean in the barrel, stabilizing mean includes the fixed column, be provided with the mounting on the fixed column, the mounting passes through the piece of cutting is fixed in the barrel.
The cylinder body is provided with a mounting hole, and the shearing piece is arranged in the mounting hole.
The mounting holes are formed in a plurality of annular mode, and shearing pieces are respectively arranged in the mounting holes.
The fixing piece is a circular ring, and the circular ring is sleeved on the fixing column and is fixed.
The cutting piece is cylindrical.
Compared with the prior art, the utility model has the following advantages:
according to the utility model, the stabilizing mechanism is arranged in the cylinder body, the shearing piece is arranged on the cylinder body, the stabilizing mechanism is fixed in the cylinder body through the shearing piece, one end of the sleeve is arranged on the stabilizing mechanism, and along with the increase of thrust, the shearing piece can be sheared by the stabilizing mechanism to replace a shearing ring piece and a fixed connecting section, so that impact force generated when the sleeve descends is avoided, and the shearing piece and the fixed piece are loosened to influence the sleeve to descend; the releasing device is composed of the cylinder body, the stabilizing mechanism and the shearing piece, and has simple production structure and low use cost.
Drawings
FIG. 1 is a schematic illustration of a release according to the present utility model;
FIG. 2 is a schematic view of a cylinder and stabilizing structure according to the present utility model;
FIG. 3 is a diagram showing the relationship between the cylinder and the mounting hole according to the present utility model;
FIG. 4 is a schematic view of a stabilizing mechanism according to the present utility model;
FIG. 5 is a schematic of a release and sleeve of the present utility model.
In the figure, a cylinder body 1, a shearing piece 2, a fixing piece 3, a sleeve 4, a fixing column 5 and a mounting hole 6 are arranged.
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.
As shown in fig. 1 and 2, a release for petroleum casing drilling comprises a barrel 1, wherein a shearing piece 2 is arranged on the barrel 1, a stabilizing mechanism is arranged in the barrel 1, the stabilizing mechanism comprises a fixing column 5, a fixing piece 3 is arranged on the fixing column 5, and the fixing piece 3 is fixed in the barrel 1 through the shearing piece 2; one end of the sleeve 4 is arranged on the stabilizing mechanism, and along with the increase of thrust, the shearing piece 2 can be sheared by the stabilizing mechanism to replace a shearing ring piece and a fixed connecting section, so that impact force generated when the sleeve 4 descends is avoided, and the sleeve 4 is prevented from descending.
As shown in fig. 3 and 4, in this embodiment, the fixing member 3 is a circular ring, and the cutting member 2 is cylindrical; in actual assembly, four mounting holes 6 are formed in the cylinder 1, the four mounting holes 6 are arranged in a circumferential manner, shearing pieces 2 are respectively arranged in the four mounting holes 6, a stabilizing mechanism is arranged in the cylinder 1 and comprises a fixing column 5, a fixing piece 3 is arranged on the fixing column 5, and the fixing piece 3 is sleeved on the fixing column 5 and fixed through welding; one end of the shearing part 2 is flush with the outer wall of the cylinder body 1, the other end of the shearing part 2 is in contact with the fixed column 5, the lower end of the fixed part 3 is in contact with the shearing part 2, the stabilizing mechanism is fixed in the cylinder body 1 through the four shearing parts 2, the shearing ring piece and the fixed connecting section are replaced, impact force generated when the sleeve 4 descends is avoided, the shearing part 2 and the fixed part 3 are loosened, and the sleeve descent is affected.
As shown in fig. 5, when in use, according to detection, a lost hand is lowered to a designated position, one end of the sleeve 4 is installed and inserted into the cylinder body 1 and is contacted with the fixing column 5, the sleeve 4 pushes the fixing column 5 and the fixing piece 3 along with the increase of the thrust of the sleeve 4, and the shearing piece 2 is sheared along with the increase of the thrust of the sleeve 4, the fixing column 5 and the fixing piece 3, so that the accurate positioning of the sleeve is realized, and meanwhile, the impact force generated during the descent of the sleeve is avoided, so that the shearing piece 2 and the fixing piece 3 are loosened, and the descent of the sleeve is influenced.
According to the utility model, the stabilizing mechanism is arranged in the cylinder body 1, the plurality of shearing pieces 2 are arranged on the cylinder body 1, the stabilizing mechanism is fixed in the cylinder body 1 through the shearing pieces 2, one end of the sleeve 4 is arranged on the stabilizing mechanism, and along with the increase of thrust, the shearing pieces 2 can be sheared by the stabilizing mechanism to replace shearing ring sheets and fixed connecting sections, so that the shearing pieces 2 and the fixing pieces 3 are prevented from loosening due to impact force generated when the sleeve 4 descends, and the sleeve 4 is prevented from descending; the releasing device is composed of the cylinder body 1, the stabilizing mechanism and the shearing piece 2, and has simple production structure and low use cost.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, and any simple modification, variation and equivalent structural changes made to the above embodiment according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (5)
1. A release for petroleum casing drilling is characterized in that: including barrel (1), be provided with on barrel (1) and cut piece (2), be provided with stabilizing mean in barrel (1), stabilizing mean includes fixed column (5), be provided with mounting (3) on fixed column (5), mounting (3) pass through cut piece (2) are fixed in barrel (1).
2. A release for petroleum casing drilling according to claim 1, characterized in that: the cylinder body (1) is provided with a mounting hole (6), and the cutting piece (2) is arranged in the mounting hole (6).
3. A release for petroleum casing drilling according to claim 2, characterized in that: the number of the mounting holes (6) is multiple, the mounting holes (6) are arranged in a circumferential mode, and the shearing pieces (2) are respectively arranged in the mounting holes (6).
4. A release for petroleum casing drilling according to claim 1, characterized in that: the fixing piece (3) is a circular ring, and the circular ring is sleeved on the fixing column (5) and is fixed.
5. A release for petroleum casing drilling according to claim 1, characterized in that: the cutting piece (2) is cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223369028.1U CN219281683U (en) | 2022-12-15 | 2022-12-15 | Releasing device for petroleum casing drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223369028.1U CN219281683U (en) | 2022-12-15 | 2022-12-15 | Releasing device for petroleum casing drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219281683U true CN219281683U (en) | 2023-06-30 |
Family
ID=86906839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223369028.1U Active CN219281683U (en) | 2022-12-15 | 2022-12-15 | Releasing device for petroleum casing drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219281683U (en) |
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2022
- 2022-12-15 CN CN202223369028.1U patent/CN219281683U/en active Active
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| GR01 | Patent grant |