CN214303749U - Lossless shaper for casing - Google Patents
Lossless shaper for casing Download PDFInfo
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- CN214303749U CN214303749U CN202120155125.7U CN202120155125U CN214303749U CN 214303749 U CN214303749 U CN 214303749U CN 202120155125 U CN202120155125 U CN 202120155125U CN 214303749 U CN214303749 U CN 214303749U
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Abstract
The utility model relates to an oil well passageway operation instrument, the harmless shaper of sleeve pipe promptly. The connector comprises an upper connector, one or more short-connection parts and a tapered part which are connected in sequence; the short joint part comprises a short joint part sleeve body and a short joint part mandrel inside the short joint part sleeve body, the short joint part sleeve body is provided with a plurality of rows of through holes, a steel ball fixing sleeve is connected in each through hole, a steel ball capable of rolling is arranged in each steel ball fixing sleeve, and an arc-shaped groove matched with the steel ball to roll is formed in the position, corresponding to each steel ball, of the short joint part mandrel; the conical guiding part comprises a conical guiding part sleeve body with a conical shaping head and a conical guiding part mandrel inside the conical guiding part sleeve body, a plurality of rows of through holes are formed in the conical guiding part sleeve body, a steel ball fixing sleeve is connected in each through hole, a steel ball capable of rolling is arranged in each steel ball fixing sleeve, and an arc-shaped groove matched with the steel ball to roll is formed in the position, corresponding to each steel ball, of the conical guiding part mandrel. Has the characteristics of convenient and fast use and high shaping success rate.
Description
Technical Field
The utility model relates to an oil-water well passageway operation instrument, the harmless shaper of sleeve pipe promptly.
Background
In the prior art, as oil fields in China enter a middle and later oil recovery mode, the number of casing damage and casing deformation wells is rapidly increased. At present, the sleeve deformation shaping technology mainly comprises the technologies of mechanical shaping, explosion shaping, hydraulic shaping and the like. Used in mechanical reshaping: the problems of complex well repairing process, long construction period, large investment and the like exist in that the phenomenon of easy blocking is common in pear-shaped pipe expanders, eccentric roller shapers, rotary impact shapers and the like, although auxiliary tool releasing tools such as industrial jars and the like exist, secondary accident potential that mechanical shaping tools are easy to break can exist. In the explosive shaping technology, the dosage is difficult to control, the sleeve at the deformed part is often accompanied by uneven wall thickness, and the shaping success rate is low due to the non-directional property of explosion. In the hydraulic shaping technology, the drilling tool has low pressure bearing performance, and the requirements of high drilling pressure and large torque required by shaping are difficult to realize by additionally arranging a hydraulic power assisting cylinder or a large thrust cylinder, so the shaping success rate is greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the aforesaid not enough and provide a convenient to use is swift, the harmless shaper of sleeve pipe that the plastic success rate is high.
The technical solution of the utility model is that: the nondestructive shaper for the casing is characterized by comprising an upper joint, one or more short-circuit parts and a tapered part which are connected in sequence; the short-circuit part comprises a short-circuit part sleeve body and a short-circuit part mandrel inside the short-circuit part sleeve body; the short-joint part sleeve body is provided with a plurality of rows of through holes, a steel ball fixing sleeve is connected in each through hole, and a rolling steel ball is arranged in each steel ball fixing sleeve; the position of the short-connection part mandrel corresponding to each steel ball is provided with an arc-shaped groove matched with the steel ball to roll; the guide cone part comprises a guide cone part sleeve body with a conical shaping head and a guide cone part mandrel in the guide cone part sleeve body; the conical leading part sleeve body is provided with a plurality of rows of through holes, a steel ball fixing sleeve is connected in each through hole, a steel ball capable of rolling is arranged in each steel ball fixing sleeve, and an arc-shaped groove matched with the steel ball to roll is formed in the position, corresponding to each steel ball, of the conical leading part mandrel.
In the above scheme
Each row of through holes on the short-connection part sleeve body and the guide cone part sleeve body and the adjacent row of through holes are staggered by a certain angle in the row along the circumferential direction.
The stagger is uniform stagger in sequence.
The outer diameters of one or more short-connection parts and the leading cone parts are sequentially decreased progressively.
The short-connection part sleeve body and the guide cone part sleeve body are respectively provided with five rows of through holes, each row of through holes is four, and each row of through holes and the adjacent row of through holes are staggered by 18 degrees in different directions in the row.
The utility model has the advantages that: according to the difference of the thicknesses of the sleeves, the lossless shaper of the sleeves only needs to be installed once, the lossless shaper of the sleeves is convenient and quick to use, the short-connection part with the steel balls and the taper leading part with the gradually decreasing outer diameters are used, the sleeves are repaired through rolling extrusion of the steel balls, the deformation positions of the sleeves are gradually increased, extruded and expanded to reasonable sizes, the strength of the walls of the sleeves is protected, and the success rate of shaping the sleeves is improved. The construction period is shortened, the construction cost is reduced, and the benefit of the oil field is increased.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic view of fig. 1 taken along a-a.
Detailed Description
Referring to fig. 1 and 2, the names of the components are as follows: the device comprises an upper joint 1, a short joint part sleeve body 2, a short joint part mandrel 3, a steel ball fixing sleeve 4, a steel ball 5, a conical shaping head 6, a leading conical part sleeve body 7 and a leading conical part mandrel 8.
Referring to fig. 1 and 2, the lossless shaper for casing comprises an upper joint 1, one or more short-connection parts (the number of the short-connection parts is judged according to the diameter of the casing pipe to be shaped) and a tapered part which are sequentially connected, wherein the outer diameters of the short-connection parts and the tapered part are sequentially decreased progressively to form a tapered structure, the part to be shaped is gradually extruded until the repair is completed, and the strength of the wall of the casing pipe can be protected. The short joint part comprises a short joint part sleeve body 2 and a short joint part mandrel 3 inside the short joint part sleeve body 2, the short joint part sleeve body 2 is provided with a plurality of rows of through holes (spaced apart along the length direction and spaced apart along the circumferential direction), a steel ball fixing sleeve 4 (used for fixing steel balls and preventing the steel balls from falling off due to extrusion deformation parts) is connected in each through hole, the steel balls 5 which can roll are arranged in the steel ball fixing sleeve 4, and an arc-shaped groove matched with the steel balls 5 to roll is arranged at the position, corresponding to each steel ball 5, of the short joint part mandrel 3; the conical leading part comprises a conical leading part sleeve body 7 with a conical shaping head 6 and a conical leading part mandrel 8 inside the conical leading part sleeve body 7, multiple rows of through holes are formed in the conical leading part sleeve body 7, a steel ball fixing sleeve 4 is connected in each through hole, a steel ball 5 capable of rolling is arranged in each steel ball fixing sleeve 4, an arc-shaped groove matched with the steel ball to roll is formed in the position, corresponding to each steel ball 5, of the conical leading part mandrel 8, two rows of steel balls are arranged on the conical shaping head 6 and used for meeting the deformation position and achieving hard contact on the deformation position through conical shape and steel ball buffering, and the strength of the wall of the sleeve pipe is prevented from being damaged due to hard contact. Each row of through holes of the short-connection sleeve body 2 and the leading cone sleeve body 7 and the adjacent row of through holes are staggered at a certain angle in the row along the circumferential direction, so that the steel balls are spirally arranged, the inner wall of a sleeve to be shaped can be basically covered, and the deformed part can be comprehensively extruded.
The using method comprises the following steps: when the sleeve nondestructive shaper is used, the number of the short-circuit parts is determined according to the pipe diameter of the deformed sleeve, the outer diameters of the conical leading part sleeve body 7 and the short-circuit part sleeve body 2 are determined, and then the sleeve nondestructive shaper is combined with the upper joint 1 for installation. The upper joint 1 is connected with a ground power source, a casing nondestructive shaper is put into a casing to be reshaped and maintained, when the casing is put to a deformed position, the conical reshaping head 6 firstly contacts with the deformed position, the two rows of steel balls 5 on the conical reshaping head 6 are rotationally propelled, then the conical part sleeve body 7 is rotated to the deformed position, the multiple rows of steel balls on the conical part sleeve body 7 extrude and expand the deformed position, the short-circuit part reaches the deformed position along with the continuous rotation and sinking of the rolling steel ball casing shaper, the multiple rows of steel balls on the short-circuit part sleeve body 2 continue to extrude and expand the deformed casing for the second time, the extrusion and expansion for the third time or more times are carried out according to the number of the short-circuit parts until the pipe diameter of the expanded casing can be fished up, the casing nondestructive shaper is lifted out of the reshaped casing, and the reshaping is finished.
The sleeve lossless shaper comprises an upper joint 1, a short connection part and a leading cone part which are sequentially connected, wherein the outer diameters of the short connection part and the leading cone part are sequentially decreased to form a cone-shaped structure, the short connection part comprises a short connection part sleeve body 2 and a short connection part mandrel 3 inside the short connection part sleeve body 2, 5 rows of through holes are formed in the short connection part sleeve body 2, the number of each row of through holes is 4, the central axes of two adjacent through holes are 90 degrees, the central axes of each row of through holes and the central axes of the adjacent rows of through holes are staggered by 18 degrees in different directions in the row, a steel ball fixing sleeve 4 is connected in each through hole, a steel ball 5 capable of rolling is arranged in each steel ball fixing sleeve 4, and an arc-shaped groove matched with the steel ball 5 to roll is formed in the position, corresponding to each steel ball 5, of the short connection part mandrel 3; the leading cone part comprises a leading cone part sleeve body 7 with a cone shaping head 6, a leading cone part mandrel 8 inside the leading cone part sleeve body 7, 5 rows of through holes are formed in the leading cone part sleeve body 7, each row of through holes is 4, the central axes of two adjacent through holes are 90 degrees, the central axes of the through holes and the central axes of the through holes in the adjacent rows are staggered by 18 degrees in different directions (ensuring that each steel ball 5 is in contact with the outside), a steel ball fixing sleeve 4 is connected in each through hole, rolling steel balls 5 are arranged in the steel ball fixing sleeve 4, the position of the leading cone part mandrel 8 corresponding to each steel ball 5 is provided with an arc-shaped groove matched with the steel ball in a rolling mode, two rows of steel balls are further arranged on the cone shaping head 6, each row of steel balls is 4, and the central axes of two adjacent steel balls are 90 degrees.
The above and following descriptions are only specific embodiments of the present invention, and various examples are not intended to limit the spirit of the present invention.
Claims (5)
1. The nondestructive shaper for the casing is characterized by comprising an upper joint (1), one or more short-circuit parts and a tapered part which are connected in sequence; the short-circuit part comprises a short-circuit part sleeve body (2) and a short-circuit part mandrel (3) inside the short-circuit part sleeve body (2); the short-connection sleeve body (2) is provided with a plurality of rows of through holes, a steel ball fixing sleeve (4) is connected in each through hole, and a rolling steel ball (5) is arranged in each steel ball fixing sleeve (4); the short joint part mandrel (3) is provided with an arc-shaped groove matched with the steel balls (5) to roll at the position corresponding to each steel ball (5); the pilot cone part comprises a pilot cone part sleeve body (7) with a conical shaping head (6) and a pilot cone part mandrel (8) inside the pilot cone part sleeve body (7); the conical part guiding sleeve body (7) is provided with a plurality of rows of through holes, a steel ball fixing sleeve (4) is connected in each through hole, a steel ball (5) capable of rolling is arranged in each steel ball fixing sleeve (4), and an arc-shaped groove matched with the steel ball (5) to roll is formed in the position, corresponding to each steel ball (5), of the conical part guiding core shaft (8).
2. A nondestructive swage according to claim 1 wherein each row of holes in the stub body (2) and the nose cone body (7) is offset circumferentially from the adjacent row.
3. The lossless shaper of claim 2, wherein said offset is a sequential uniform offset.
4. A lossless swage set according to claim 1 or claim 3, wherein the outer diameter of one or more of the stub portion and the nose portion decreases in order.
5. A nondestructive swage according to claim 4 wherein the stub body (2) and the nose cone body (7) are each provided with five rows of four holes, each row being offset from the adjacent row in a different direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120155125.7U CN214303749U (en) | 2021-01-20 | 2021-01-20 | Lossless shaper for casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120155125.7U CN214303749U (en) | 2021-01-20 | 2021-01-20 | Lossless shaper for casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214303749U true CN214303749U (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120155125.7U Active CN214303749U (en) | 2021-01-20 | 2021-01-20 | Lossless shaper for casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214303749U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114955102A (en) * | 2022-07-28 | 2022-08-30 | 安徽唯嵩光电科技有限公司 | Core cylinder and conveying mechanism for plastic foaming mesh bag set |
-
2021
- 2021-01-20 CN CN202120155125.7U patent/CN214303749U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114955102A (en) * | 2022-07-28 | 2022-08-30 | 安徽唯嵩光电科技有限公司 | Core cylinder and conveying mechanism for plastic foaming mesh bag set |
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