CN216788346U - Casing milling and fishing integrated tool for fishing logging downhole instrument - Google Patents
Casing milling and fishing integrated tool for fishing logging downhole instrument Download PDFInfo
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- CN216788346U CN216788346U CN202123182863.XU CN202123182863U CN216788346U CN 216788346 U CN216788346 U CN 216788346U CN 202123182863 U CN202123182863 U CN 202123182863U CN 216788346 U CN216788346 U CN 216788346U
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- fishing
- milling
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- conversion
- conversion shell
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Abstract
The utility model discloses a milling and fishing integrated tool for fishing a logging downhole instrument, which comprises a conversion shell ring, wherein one end of the conversion shell ring is an upper female buckle, the outer wall of the other end of the conversion shell ring is provided with a lower male buckle, the other end of the conversion shell ring is connected with a milling barrel through the lower male buckle, one end of the milling barrel is connected with the conversion shell ring, and the other end of the milling barrel is connected with a milling shoe; the inner wall of the other end of the conversion shell ring is provided with a lower end female buckle, and the other end of the conversion shell ring is connected with the slip fisher through the lower end female buckle. The utility model solves the problem that the casing milling and salvaging can be completed only by drilling down for many times in the prior art.
Description
Technical Field
The utility model belongs to the technical field of underground fishing, and relates to a milling and fishing integrated tool for fishing a logging underground instrument.
Background
The current logging underground instrument salvage mode:
1. the most common salvaging method is a piercing salvaging, which is a method of cutting off a logging cable near a well head, penetrating a salvaging tool and implementing unfreezing of the underground cable and an instrument. If the cross-core fishing fails or the cable is broken in the logging construction process to cause the cable and the instrument to fall into the well, the fishing spear is used for fishing the cable, and the fishing spear matched with the logging downhole instrument is used for fishing after the cable is fished.
2. If the logging underground instrument is seriously stuck, the logging underground instrument falls off, is buried by sinking sand and is difficult to salvage, the logging underground instrument can not be salvaged by using a common fisher or can not be unfreezed in the salvage process, the logging underground instrument can be broken, the accident is enlarged, the difficulty of subsequent construction is increased, the logging underground instrument needs to be milled first, then the logging underground instrument is salvaged by using the common fisher, and the salvage construction can be completed by drilling down for two times.
Therefore, the fishing tool is improved, and the milling and fishing are completed in one drilling, which is very necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a milling and fishing integrated tool for fishing a logging downhole instrument, and solves the problem that the milling and fishing work can be finished only by drilling down for many times in the prior art.
The technical scheme adopted by the utility model is as follows:
a milling and fishing integrated tool for fishing a logging downhole instrument comprises a conversion shell ring, wherein one end of the conversion shell ring is an upper female buckle, a lower male buckle is arranged on the outer wall of the other end of the conversion shell ring, the other end of the conversion shell ring is connected with a milling shell through the lower male buckle, one end of the milling shell is connected with the conversion shell ring, and the other end of the milling shell is connected with a milling shoe; the inner wall of the other end of the conversion shell ring is provided with a lower end female buckle, and the other end of the conversion shell ring is connected with the slip fisher through the lower end female buckle.
The utility model is also characterized in that:
the conversion shell ring comprises a conversion shell body, one end of the conversion shell body is an upper end female buckle, the other end of the conversion shell body is coaxially fixed with the lower end conversion shell, a lower end female buckle is arranged on the inner wall of the lower end conversion shell, and a lower end male buckle is arranged on the outer wall of the lower end conversion shell.
The diameter of the inner wall of the conversion cylinder body is the same as that of the inner wall of the lower conversion cylinder, and the diameter of the outer wall of the conversion cylinder body is larger than that of the outer wall of the lower conversion cylinder.
The slips fisher comprises an outer barrel of the fisher, a male buckle connector is fixed at one end of the outer barrel of the fisher, a guide shoe is coaxially fixed at the other end of the outer barrel of the fisher, a slip fixing sleeve is fixed on the inner wall of a port at the other end of the outer barrel of the fisher, slips are sleeved in the outer barrel of the fisher, and slip head sleeves of the slips are fixedly sleeved on the slip fixing sleeve.
The inner wall of the slip fixing sleeve is conical.
The slips are spiral slips.
The diameter of the inner wall of the male buckle connector is smaller than the diameter of one end, away from the slip head, of the slip, and the diameter of the outer wall of the male buckle connector is smaller than that of the outer wall of the outer barrel of the fisher.
The utility model has the beneficial effects that:
the utility model provides a device for integrated milling-salvaging operation, which can realize one-time milling, opening and salvaging of a logging underground instrument, can be adjusted according to the conditions of a well and the instrument, meets salvaging construction conditions, is internally arranged in a milling barrel, does not bear torque in the process of rotating a turntable for milling, reduces construction risks, avoids engineering hidden troubles caused by multiple times of drilling, shortens the time of salvaging operation, reduces the labor intensity of workers and saves the production cost.
Drawings
FIG. 1 is a block diagram of a milling and fishing integrated tool for fishing a logging tool of the present invention;
FIG. 2 is a cross-sectional view of a transition shell section of the milling and fishing integrated tool of the fishing logging downhole tool of the present invention;
FIG. 3 is a cross-sectional view of the slip latch of the casing milling and fishing integrated tool of the fishing logging downhole instrument.
In the figure, 1 is a conversion shell section, 2 is a slip fisher, 3 is a milling sleeve, 4 is a milling shoe, 5 is an upper female buckle, 6 is a conversion shell body, 7 is a lower male buckle, 8 is a lower female buckle, 9 is a lower conversion shell, 10 is a slip fixing sleeve, 11 is a guide shoe, 12 is a male buckle connector, 13 is an fisher outer barrel, and 14 is a slip.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The utility model relates to a milling and fishing integrated tool for fishing a logging downhole instrument, which comprises a conversion shell ring 1, wherein one end of the conversion shell ring 1 is an upper-end female buckle 5, the outer wall of the other end of the conversion shell ring 1 is provided with a lower-end male buckle 7, the other end of the conversion shell ring 1 is connected with a milling shell 3 through the lower-end male buckle 7, one end of the milling shell 3 is a female buckle connector, one end of the milling shell 3 is connected with the conversion shell ring 1, and the other end of the milling shell 3 is connected with a milling shoe 4; the inner wall of the other end of the conversion shell ring 1 is provided with a lower end female buckle 8, and the other end of the conversion shell ring 1 is connected with the slip fisher 2 through the lower end female buckle 8.
Conversion shell ring 1 is including conversion shell body 6, and the one end of conversion shell body 6 is upper end box 5, and the other end and the lower extreme of conversion shell body 6 are coaxial fixed of conversion shell 9, and lower extreme conversion shell 9 inner wall is provided with lower extreme box 8, and lower extreme conversion shell 9 outer wall is provided with lower extreme pin 7, and the inner wall diameter of conversion shell body 6 is the same with the inner wall diameter of lower extreme conversion shell 9, and the outer wall diameter of conversion shell body 6 is greater than the outer wall diameter of lower extreme conversion shell 9.
The slips fisher 2 comprises an outer barrel 13 of the fisher, a male buckle connector 12 is fixed at one end of the outer barrel 13 of the fisher, a guide shoe 11 is coaxially fixed at the other end of the outer barrel 13 of the fisher, a slip fixing sleeve 10 is fixed on the inner wall of the port of the other end of the outer barrel 13 of the fisher, slips 14 are sleeved in the outer barrel 13 of the fisher, and slip sleeves of the slips 14 are sleeved on the slip fixing sleeve 10.
The inner wall of the slip fixing sleeve 10 is conical, the slips 14 are spiral slips, and the guide shoe 11 and the milling shoe 4 are both in wide-mouth duckbill shapes.
The diameter of the inner wall of the male buckle connector 12 is smaller than that of one end of the slip 14 far away from the slip head, and the diameter of the outer wall of the male buckle connector 12 is smaller than that of the outer wall of the fisher outer cylinder 13.
The use mode of the utility model is as follows:
and (3) connecting the upper female buckle 5 with a drilling tool, starting a pump to drill down, continuing to drill down after the underground instrument enters the casing milling barrel, and performing casing milling operation by using small drilling pressure.
After the sleeve milling is started, the instrument descends, the drilling and the chasing are continued to the top of the fish, and the sleeve milling operation is carried out by small drilling pressure until the instrument is chased to the bottom of the well.
When the logging downhole instrument enters the built-in slip fisher 2, the pressure slip 14 is expanded, the slip 14 shrinks to clamp the instrument due to the conical design of the slip fixing sleeve 10 when the drilling tool is lifted, the logging downhole instrument is taken out of a well mouth after fishing is successful, and the logging downhole instrument is recovered after fishing is completed.
Claims (8)
1. A milling and fishing integrated tool for fishing logging downhole instruments is characterized by comprising a conversion shell ring (1), wherein one end of the conversion shell ring (1) is provided with an upper end female buckle (5), the outer wall of the other end of the conversion shell ring (1) is provided with a lower end male buckle (7), the other end of the conversion shell ring (1) is connected with a milling shell (3) through the lower end male buckle (7), one end of the milling shell (3) is connected with the conversion shell ring (1), and the other end of the milling shell (3) is connected with a milling shoe (4); the inner wall of the other end of the conversion shell ring (1) is provided with a lower end female buckle (8), and the other end of the conversion shell ring (1) is connected with the slip fisher (2) through the lower end female buckle (8).
2. The milling and fishing integrated tool for fishing logging downhole instruments according to claim 1, wherein the conversion shell ring (1) comprises a conversion shell body (6), one end of the conversion shell body (6) is an upper female buckle (5), the other end of the conversion shell body (6) is coaxially fixed with a lower conversion shell (9), a lower female buckle (8) is arranged on the inner wall of the lower conversion shell (9), and a lower male buckle (7) is arranged on the outer wall of the lower conversion shell (9).
3. The milling and fishing integrated tool for fishing logging downhole instruments as claimed in claim 2, wherein the diameter of the inner wall of the conversion cylinder body (6) is the same as that of the inner wall of the lower conversion cylinder (9), and the diameter of the outer wall of the conversion cylinder body (6) is larger than that of the outer wall of the lower conversion cylinder (9).
4. The casing milling and fishing integrated tool for the fishing logging downhole instrument as claimed in claim 1, wherein the slip fisher (2) comprises a fisher outer cylinder (13), a male buckle connector (12) is fixed at one end of the fisher outer cylinder (13), a guide shoe (11) is coaxially fixed at the other end of the fisher outer cylinder (13), a slip fixing sleeve (10) is fixed on the inner wall of the port at the other end of the fisher outer cylinder (13), a slip (14) is sleeved in the fisher outer cylinder (13), and a slip sleeve of the slip (14) is sleeved on the slip fixing sleeve (10).
5. A kind of casing milling of salvage logging downhole instrument, salvage the integrative tool as claimed in claim 4, characterized by, the inner wall shape of the slip fixing sleeve (10) is a taper.
6. A casing and fishing integrated tool for fishing logging downhole instruments according to claim 4, wherein the slips (14) are screw slips.
7. A milling and fishing integrated tool for fishing logging downhole instruments according to claim 4, characterized in that the diameter of the inner wall of the male buckle connector (12) is smaller than the diameter of the end of the slip (14) far away from the slip head, and the diameter of the outer wall of the male buckle connector (12) is smaller than the diameter of the outer wall of the fisher outer cylinder (13).
8. A milling and fishing integrated tool for fishing logging downhole instruments according to claim 4, wherein the guide shoe (11) and the milling shoe (4) are both in a wide-mouth duck shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123182863.XU CN216788346U (en) | 2021-12-17 | 2021-12-17 | Casing milling and fishing integrated tool for fishing logging downhole instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123182863.XU CN216788346U (en) | 2021-12-17 | 2021-12-17 | Casing milling and fishing integrated tool for fishing logging downhole instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216788346U true CN216788346U (en) | 2022-06-21 |
Family
ID=82008756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123182863.XU Active CN216788346U (en) | 2021-12-17 | 2021-12-17 | Casing milling and fishing integrated tool for fishing logging downhole instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216788346U (en) |
-
2021
- 2021-12-17 CN CN202123182863.XU patent/CN216788346U/en active Active
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