CN110593794A - Anchoring type hydraulic sleeve shaping tool - Google Patents
Anchoring type hydraulic sleeve shaping tool Download PDFInfo
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- CN110593794A CN110593794A CN201910996780.2A CN201910996780A CN110593794A CN 110593794 A CN110593794 A CN 110593794A CN 201910996780 A CN201910996780 A CN 201910996780A CN 110593794 A CN110593794 A CN 110593794A
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- wall
- hydraulic cylinder
- piston
- shaping
- sleeved
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- 238000007493 shaping process Methods 0.000 title claims abstract description 60
- 238000004873 anchoring Methods 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 81
- 241000935974 Paralichthys dentatus Species 0.000 claims abstract description 20
- 210000000078 claw Anatomy 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 8
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 23
- 230000001681 protective effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 4
- 238000002407 reforming Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 241000242541 Trematoda Species 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
- E21B29/10—Reconditioning of well casings, e.g. straightening
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses an anchoring type hydraulic casing pipe shaping tool, wherein the upper end of the anchoring type hydraulic casing pipe shaping tool is connected with an oil pipe through a pipe thread, the anchoring type hydraulic casing pipe shaping tool is pressed by a ground pump truck after being lowered to a shaping position and encountering a block, high-pressure liquid enters the interior of the anchoring type hydraulic casing pipe through the oil pipe, the high-pressure liquid passes through a liquid inlet channel I at the lower end of an anchor fluke, the anchor fluke compresses a return spring to be expanded and anchored on the inner wall of a casing pipe outwards under the action of the pressure, a support rod moves downwards to compress the shaping spring, a retaining ring plays a protective role, the support rod moves downwards, balls expand outwards under the action of a shaping groove in the outer wall of the support rod, the oil pipe releases the pressure after a shaping shaft and a lower guide sleeve pass through the shaping position, the anchor fluke retracts under the action of the return spring, the support rod moves upwards, Six sealing rings, seven sealing rings, eight sealing rings, nine sealing rings and ten sealing rings.
Description
Technical Field
The invention relates to oil field mechanical equipment, in particular to an anchoring type hydraulic casing pipe shaping tool.
Background
In the oil-gas well development process, the stratum is dislocated and collapsed due to long-term stratum exploitation, so that the distortion and deformation of an oil layer casing pipe are caused, the follow-up exploitation work cannot be continued, the oil-gas well is seriously even scrapped, and the serious economic loss is caused. Therefore, the casing pipe needs to be shaped, the traditional shaping method adopting overhaul operation has high operation cost and long construction period, and inconvenience is brought to production and construction.
The existing casing reshaping tool has the following problems: firstly, the mechanical shaping tool needs to be pressurized and rotated, and the bit pressure and the torque applied by minor repair equipment are limited and cannot meet the process requirements; secondly, the mechanical shaping tool generates larger torque, the power of the power motor is relatively smaller, and the shaping requirement cannot be met; thirdly, the acting force and the shock force are large, and the shaping effect of the sleeve cannot be guaranteed.
Disclosure of Invention
The present invention is directed to an anchored hydraulic casing shaping tool that solves the problems set forth above in the background.
In order to achieve the purpose, the invention provides the following technical scheme:
an anchoring type hydraulic sleeve shaping tool comprises an anchor body, wherein a first internal thread is arranged on the inner wall of the anchor body, a plurality of anchor claw holes are formed in the outer wall of the anchor body, anchor claws are arranged in the anchor claw holes, a reset spring is arranged in each anchor claw, a pressing plate is fixedly connected to the anchor body, an upper connector is sleeved on the outer side of the outer wall of the lower end of the anchor body, a first external thread is arranged at the lower end of the anchor body, the outer side of the upper end of an upper hydraulic cylinder is sleeved with a second external thread, the upper end of an upper hydraulic cylinder is sleeved on the outer side of an upper piston, the inner wall of the upper end of the upper hydraulic cylinder is abutted against the outer wall of the upper end of the upper piston, the inner wall of the lower end of the upper hydraulic cylinder is abutted against the inner wall of the lower end of the upper piston, a third external thread is arranged on the lower, the lower end of the upper hydraulic cylinder is provided with a fourth external thread, the middle hydraulic cylinder is sleeved on the outer side of the middle piston, the inner wall of the upper end of the middle hydraulic cylinder is abutted against the outer wall of the upper end of the middle piston, the inner wall of the lower end of the middle hydraulic cylinder is abutted against the inner wall of the lower end of the middle piston, the outer side of the lower end of the middle hydraulic cylinder is sleeved with a lower hydraulic cylinder, the lower end of the middle hydraulic cylinder is provided with a fifth external thread, the upper end of the lower hydraulic cylinder is sleeved on the outer side of the lower piston, the inner wall of the upper end of the lower hydraulic cylinder is abutted against the outer wall of the upper end of the lower piston, the inner wall of the lower end of the lower hydraulic cylinder is abutted against the inner wall of the lower end of the lower piston, the lower end of the lower, the utility model discloses a plastic support rod, including bracing piece, shape axle sleeve, ball hole, ball cover, ball hole, ball, shaping axle, bracing piece upper end outside cover is equipped with the fender ring, fender ring lower extreme is provided with internal thread three, the outside of bracing piece is located to the shaping axle sleeve, be provided with the ball hole on the shaping axle outer wall, the downthehole ball that is provided with of ball, the ball passes through ball cover and ball hole fixed connection, ball and bracing piece butt are in the shaping recess that sets up on the bracing piece, the bracing piece lower extreme is connected with lower uide bushing, be provided with the plastic spring between bracing piece and the lower uid.
As a further scheme of the invention: the pressing plate is fixedly connected with the anchor body through a plurality of fixing pins.
As a still further scheme of the invention: be provided with a plurality of fluke holes on the anchor body outer wall, it is a plurality of fluke hole lower extreme is provided with inlet channel one, it is provided with inlet channel two to go up the piston lower extreme, it is provided with inlet channel three to go up between pneumatic cylinder and the intermediate piston, the intermediate piston lower extreme is provided with inlet channel four, be provided with inlet channel five between intermediate hydraulic cylinder and the lower pneumatic cylinder.
As a still further scheme of the invention: the lower guide sleeve is of a conical structure.
As a still further scheme of the invention: a first sealing ring is arranged between the fluke outer wall and the fluke hole of the anchor body outer wall, a second sealing ring is arranged between the upper joint lower end outer wall and the upper hydraulic cylinder upper end inner wall, a third sealing ring is arranged between the upper piston upper end outer wall and the upper hydraulic cylinder upper end inner wall, a fourth multi-sealing ring is arranged between the upper piston lower end outer wall and the upper hydraulic cylinder lower end inner wall, a fifth multi-sealing ring is arranged between the upper hydraulic cylinder lower end outer wall and the middle hydraulic cylinder upper end inner wall, a sixth multi-sealing ring is arranged between the middle piston upper end outer wall and the middle hydraulic cylinder upper end inner wall, a seventh multi-sealing ring is arranged between the middle piston lower end outer wall and the middle hydraulic cylinder lower end inner wall, an eighth multi-sealing ring is arranged between the middle hydraulic cylinder lower end outer wall and the lower hydraulic cylinder upper end inner wall, and a sealing ring ten is arranged between the outer wall of the lower end of the lower piston and the inner wall of the upper end of the reducer union.
As a still further scheme of the invention: the number of the four sealing rings is two, the number of the five sealing rings is two, the number of the six sealing rings is two, the number of the seven sealing rings is two, the number of the eight sealing rings is two, and the number of the nine sealing rings is two.
As a still further scheme of the invention: the first sealing ring, the second sealing ring, the third sealing ring, the fourth sealing ring, the fifth sealing ring, the sixth sealing ring, the seventh sealing ring, the eighth sealing ring, the ninth sealing ring and the tenth sealing ring are all O-shaped rubber rings.
Compared with the prior art, the invention has the beneficial effects that: the upper end of the anchoring type hydraulic casing pipe shaping tool is connected with an oil pipe through a pipe thread, after the anchoring type hydraulic casing pipe shaping tool is placed into a shaping position and meets a resistance, the anchoring type hydraulic casing pipe shaping tool is pressed through a ground pump truck, high-pressure liquid enters the interior of the anchoring type hydraulic casing pipe shaping tool through the oil pipe, the high-pressure liquid passes through a liquid inlet channel I at the lower end of an anchor fluke, the anchor fluke compresses a return spring to expand and anchor on the inner wall of the casing pipe outwards under the action of pressure, the sealing performance of the anchor fluke is protected due to the limiting effect of a pressing plate, the high-pressure liquid respectively enters a liquid inlet channel III through a liquid inlet channel II and a liquid inlet channel IV and pushes an upper piston, a middle piston and a lower piston to move downwards simultaneously under the action of high pressure, the lower piston drives a reducing joint, a coupling and a support rod to move downwards, the support rod moves downwards to compress the, the deformed sleeve is shaped, after the shaping shaft and the lower guide sleeve smoothly pass through shaping and meet a blocking position, the oil pipe is decompressed, the anchor claw retracts under the action of the reset spring to release anchoring, the supporting rod moves upwards under the action of the shaping spring, and the balls enter the shaping groove in the outer wall of the supporting rod again, so that the shaping construction of the sleeve is completed, and the connection between all parts in the anchoring type hydraulic sleeve shaping tool is more tight by arranging a first sealing ring, a second sealing ring, a third sealing ring, a fourth sealing ring, a fifth sealing ring, a sixth sealing ring, a seventh sealing ring, an eighth sealing ring, a ninth sealing ring and a tenth sealing ring.
Drawings
FIG. 1 is a schematic structural view of the upper end of an anchored hydraulic casing sizing tool.
FIG. 2 is a schematic view of the structure of the lower end of the anchored hydraulic casing reforming tool.
Fig. 3 is a schematic view of the structure at a in the anchored hydraulic casing conforming tool.
FIG. 4 is a schematic cross-sectional view at B-B of the anchored hydraulic casing reforming tool.
FIG. 5 is a schematic cross-sectional view at C-C of the anchored hydraulic casing reforming tool.
FIG. 6 is a schematic diagram of the support rod configuration in the anchored hydraulic casing reforming tool.
In the figure: 1-anchor body, 2-fixed pin, 3-reset spring, 4-anchor claw, 5-seal ring I, 6-pressure plate, 7-upper joint, 8-seal ring II, 9-seal ring III, 10-upper piston, 11-upper hydraulic cylinder, 12-seal ring IV, 13-seal ring V, 14-seal ring VI, 15-middle piston, 16-middle hydraulic cylinder, 17-seal ring VII, 18-seal ring VIII, 19-seal ring nine, 20-lower piston, 21-lower hydraulic cylinder, 22-reducing joint, 23-seal ring ten, 24-coupling, 25-support rod, 26-baffle ring, 27-shaping shaft, 28-ball sleeve, 29-ball, 30-shaping spring, 31-lower guide sleeve, 32-liquid inlet channel I, 33-liquid inlet channel II, 34-liquid inlet channel III, 35-liquid inlet channel IV, 36-liquid inlet channel V, 37-shaping groove.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to specific embodiments.
Example 1
Referring to fig. 1 to 6, in the embodiment of the present invention, an anchoring type hydraulic casing shaping tool includes an anchor body 1, wherein an inner thread i is disposed on an inner wall of the anchor body 1, the anchor body 1 may be connected to an external oil pipe through the inner thread i, a plurality of fluke holes are disposed on an outer wall of the anchor body 1, flukes 4 are disposed in the fluke holes, a return spring 3 is disposed inside the flukes 4, a pressing plate 6 is further fixedly connected to the anchor body 1, a connection manner between the pressing plate 6 and the anchor body 1 is not limited, in this embodiment, preferably, the pressing plate 6 is fixedly connected to the anchor body 1 through a plurality of fixing pins 2, the pressing plate 6 fixes the return spring 3 and limits the fluke 4, an upper joint 7 is sleeved on an outer side of an outer wall of a lower end of the anchor body 1, an outer thread i is disposed at a lower end of the anchor body 1, and the upper joint 7 is connected to the anchor body 1 through the outer thread i, the lower end of the upper joint 7 is sleeved on the outer side of the upper end of an upper hydraulic cylinder 11, the lower end of the upper joint 7 is provided with a second external thread, the upper hydraulic cylinder 11 is connected with the upper joint 7 through the second external thread, the upper end of the upper hydraulic cylinder 11 is sleeved on the outer side of an upper piston 10, the inner wall of the upper end of the upper hydraulic cylinder 11 is abutted against the outer wall of the upper end of the upper piston 10, the inner wall of the lower end of the upper hydraulic cylinder 11 is abutted against the inner wall of the lower end of the upper piston 10, the outer side of the lower end of the upper piston 10 is sleeved with a middle piston 15, the lower end of the upper piston 10 is provided with a third external thread, the middle piston 15 is connected with the upper piston 10 through the third external thread, the outer side of the lower end of the upper hydraulic cylinder 11 is sleeved with a middle hydraulic cylinder 16, the, the inner wall of the upper end of the middle hydraulic cylinder 16 is abutted with the outer wall of the upper end of the middle piston 15, the inner wall of the lower end of the middle hydraulic cylinder 16 is abutted with the inner wall of the lower end of the middle piston 15, the outer side of the lower end of the middle hydraulic cylinder 16 is sleeved with a lower hydraulic cylinder 21, the lower end of the middle hydraulic cylinder 16 is provided with a fifth external thread, the lower hydraulic cylinder 21 is connected with the middle hydraulic cylinder 16 through the fifth external thread, the upper end of the lower hydraulic cylinder 21 is sleeved on the outer side of the lower piston 20, the inner wall of the upper end of the lower hydraulic cylinder 21 is abutted with the outer wall of the upper end of the lower piston 20, the inner wall of the lower end of the lower hydraulic cylinder 21 is abutted with the inner wall of the lower end of the lower piston 20, the lower end of the lower piston 20 is sleeved on the outer side of the reducing joint 22, the lower end, the coupling 24 is connected with the reducer union 22 through a seventh external thread, the lower end of the coupling 24 is sleeved outside the supporting rod 25, the lower end of the coupling 24 is provided with a first internal thread, the supporting rod 25 is connected with the coupling 24 through the first internal thread, the outer side of the upper end of the supporting rod 25 is sleeved with a baffle ring 26, the lower end of the baffle ring 26 is provided with a third internal thread, the baffle ring 26 is connected with the upper end of the shaping shaft 27 through the third internal thread, the shaping shaft 27 is sleeved outside the supporting rod 25, the outer wall of the shaping shaft 27 is provided with a ball 29 hole, a ball 29 is arranged in the ball 29 hole, the ball 29 is fixed in the ball 29 hole through a ball sleeve 28, the ball 29 and the supporting rod 25 are abutted against in a shaping groove 37 arranged on the supporting rod 25, the lower end of the supporting rod 25 is connected with a lower guide sleeve 31, and, the lower guide sleeve 31 is similar in structure to the shaping shaft 27, and is provided with a ball 29 hole, a ball 29 and a ball sleeve 28, and in the embodiment, the first internal thread is preferably a tubing thread.
Be provided with a plurality of fluke holes on the 1 outer wall of anchor body, it is a plurality of fluke hole lower extreme is provided with inlet channel 32, it is provided with inlet channel two 33 to go up the 10 lower extremes of piston, it is provided with inlet channel three 34 to go up between 11 and the middle piston 15, middle piston 15 lower extreme is provided with inlet channel four 35, be provided with inlet channel five 36 between middle pneumatic cylinder 16 and the lower pneumatic cylinder 21, the concrete form of uide bushing 31 is not restricted down, in this embodiment, preferably, uide bushing 31 is the circular cone type structure down.
The working principle of the embodiment is as follows: the upper end of the anchoring type hydraulic casing pipe shaping tool is connected with an oil pipe through a pipe thread, the anchoring type hydraulic casing pipe shaping tool is pressed by a ground pump truck after being put into a shaping position and encountering a resistance, high-pressure liquid enters the interior of the anchoring type hydraulic casing pipe shaping tool through the oil pipe, the high-pressure liquid passes through a liquid inlet channel I32 at the lower end of an anchor claw 4, the anchor claw 4 compresses a return spring 3 to expand and anchor on the inner wall of the casing pipe outwards under the action of pressure, the sealing performance of the anchor claw 4 is protected due to the limiting effect of a pressure plate 6, then the high-pressure liquid respectively enters a liquid inlet channel III 34 and a liquid inlet channel V36 through a liquid inlet channel II 33 and a liquid inlet channel IV 35 to push an upper piston 10, a middle piston 15 and a lower piston 20 to move downwards simultaneously under the action of high pressure, the lower piston 20 drives a reducing joint 22, a coupling 24 and a support rod 25 to move downwards to, because the supporting rod 25 moves downwards, the ball 29 expands outwards under the action of the shaping groove 37 on the outer wall of the supporting rod 25 to shape the deformed sleeve, after the shaping shaft 27 and the lower guide sleeve 31 smoothly meet a blocking position through shaping, the oil pipe releases pressure, the fluke 4 retracts under the action of the return spring 3 to release anchoring, the supporting rod 25 moves upwards under the action of the shaping spring 30, the ball 29 enters the shaping groove 37 on the outer wall of the supporting rod 25 again, and the sleeve shaping construction is completed at the moment.
Example 2
In order to make the connection between the components in the anchored hydraulic casing shaping tool tighter, the present embodiment improves on embodiment 1 in that: a first sealing ring 5 is arranged between the outer wall of the anchor fluke 4 and the anchor fluke hole of the outer wall of the anchor body 1, a second sealing ring 8 is arranged between the lower outer wall of the upper joint 7 and the upper inner wall of the upper hydraulic cylinder 11, a third sealing ring 9 is arranged between the upper outer wall of the upper piston 10 and the upper inner wall of the upper hydraulic cylinder 11, a fourth multi-sealing ring 12 is arranged between the lower outer wall of the upper piston 10 and the lower inner wall of the upper hydraulic cylinder 11, in the embodiment, the number of the four sealing rings 12 is preferably two, and a fifth multi-sealing ring 13 is arranged between the lower outer wall of the upper hydraulic cylinder 11 and the upper inner wall of the middle hydraulic cylinder 16, in the embodiment, the number of the five sealing rings 13 is preferably two, a sixth multi-sealing ring 14 is arranged between the upper outer wall of the middle piston 15 and the upper inner wall of the middle hydraulic cylinder 16, in the, seven sealing rings 17 are arranged between the outer wall of the lower end of the middle piston 15 and the inner wall of the lower end of the middle hydraulic cylinder 16, in the embodiment, the number of the seven sealing rings 17 is preferably two, eight sealing rings 18 are arranged between the outer wall of the lower end of the middle hydraulic cylinder 16 and the inner wall of the upper end of the lower hydraulic cylinder 21, in the embodiment, the number of the eight sealing rings 18 is preferably two, nine sealing rings 19 are arranged between the outer wall of the upper end of the lower piston 20 and the inner wall of the upper end of the lower hydraulic cylinder 21, in the embodiment, the number of the nine sealing rings 19 is preferably two, ten sealing rings 23 are arranged between the outer wall of the lower end of the lower piston 20 and the inner wall of the upper end of the reducer union 22, and the seven sealing rings are formed by arranging a first sealing ring 5, a second sealing ring 8, a third sealing ring 9, the seal ring nine 19 and the seal ring ten 23 make the connection between each component in the anchoring type hydraulic casing shaping tool more compact, the specific forms of the seal ring one 5, the seal ring two 8, the seal ring three 9, the seal ring four 12, the seal ring five 13, the seal ring six 14, the seal ring seven 17, the seal ring eight 18, the seal ring nine 19 and the seal ring ten 23 are not limited, in this embodiment, preferably, the seal ring one 5, the seal ring two 8, the seal ring three 9, the seal ring four 12, the seal ring five 13, the seal ring six 14, the seal ring seven 17, the seal ring eight 18, the seal ring nine 19 and the seal ring ten 23 are all O-shaped rubber rings.
The working principle of the embodiment is as follows: by arranging the first sealing ring 5, the second sealing ring 8, the third sealing ring 9, the fourth sealing ring 12, the fifth sealing ring 13, the sixth sealing ring 14, the seventh sealing ring 17, the eighth sealing ring 18, the ninth sealing ring 19 and the tenth sealing ring 23, the connection among all parts in the anchoring type hydraulic sleeve reshaping tool is more compact.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. An anchoring type hydraulic sleeve shaping tool is characterized by comprising an anchor body (1), wherein an internal thread I is arranged on the inner wall of the anchor body (1), a plurality of anchor claw holes are formed in the outer wall of the anchor body (1), anchor claws (4) are arranged in the anchor claw holes, a reset spring (3) is arranged in each anchor claw (4), a pressing plate (6) is fixedly connected to the anchor body (1), an upper connector (7) is sleeved on the outer side of the outer wall of the lower end of the anchor body (1), an external thread I is arranged at the lower end of the anchor body (1), the lower end of the upper connector (7) is sleeved on the outer side of the upper end of an upper hydraulic cylinder (11), an external thread II is arranged at the lower end of the upper connector (7), the upper end of the upper hydraulic cylinder (11) is sleeved on the outer side of an upper piston (10), the inner wall of the upper end of the upper hydraulic cylinder (11) is abutted, the lower end inner wall of the upper hydraulic cylinder (11) is abutted against the lower end inner wall of the upper piston (10), the outer side of the lower end of the upper piston (10) is sleeved with a middle piston (15), the lower end of the upper piston (10) is provided with a third external thread, the outer side of the lower end of the upper hydraulic cylinder (11) is sleeved with a middle hydraulic cylinder (16), the lower end of the upper hydraulic cylinder (11) is provided with a fourth external thread, the middle hydraulic cylinder (16) is sleeved on the outer side of the middle piston (15), the inner wall of the upper end of the middle hydraulic cylinder (16) is abutted against the outer wall of the upper end of the middle piston (15), the inner wall of the lower end of the middle hydraulic cylinder (16) is abutted against the inner wall of the lower end of the middle piston (15), the outer side of the lower end of the middle hydraulic cylinder (16) is sleeved with a lower hydraulic, the lower hydraulic cylinder (21) upper end inner wall is abutted against the lower piston (20) upper end outer wall, the lower hydraulic cylinder (21) lower end inner wall is abutted against the lower piston (20) lower end inner wall, the lower end of the lower piston (20) is sleeved on the outer side of the reducing joint (22), the lower end of the lower piston (20) is provided with a six external thread, the lower end of the reducing joint (22) is sleeved on the outer side of the coupling (24), the lower end of the reducing joint (22) is provided with a seven external thread, the lower end of the coupling (24) is sleeved on the outer side of the support rod (25), the lower end of the coupling (24) is provided with a first internal thread, the outer side of the support rod (25) is sleeved with a baffle ring (26), the lower end of the baffle ring (26) is provided with a third internal thread, the shaping shaft (27) is sleeved on the outer side of the support rod (25), the shaping shaft (27, the oil pipe is characterized in that the ball (29) is fixedly connected with a ball (29) hole through a ball sleeve (28), the ball (29) and the support rod (25) are abutted to a shaping groove (37) formed in the support rod (25), the lower end of the support rod (25) is connected with a lower guide sleeve (31), a shaping spring (30) is arranged between the support rod (25) and the lower guide sleeve (31), and the first internal thread is an oil pipe thread.
2. The anchored hydraulic casing conforming tool according to claim 1, characterized in that the hold-down plate (6) is fixedly connected to the anchor body (1) by a plurality of fixing pins (2).
3. The anchor type hydraulic casing shaping tool according to claim 1, wherein a plurality of anchor claw holes are formed in the outer wall of the anchor body (1), a first inlet channel (32) is formed in the lower end of each anchor claw hole, a second inlet channel (33) is formed in the lower end of the upper piston (10), a third inlet channel (34) is formed between the upper hydraulic cylinder (11) and the middle piston (15), a fourth inlet channel (35) is formed in the lower end of the middle piston (15), and a fifth inlet channel (36) is formed between the middle hydraulic cylinder (16) and the lower hydraulic cylinder (21).
4. The anchored hydraulic casing conforming tool according to claim 1, characterized in that the lower guide sleeve (31) is of conical configuration.
5. The anchoring type hydraulic casing reshaping tool as claimed in claim 1, wherein a first sealing ring (5) is arranged between the outer wall of the anchor fluke (4) and the anchor fluke hole of the outer wall of the anchor body (1), a second sealing ring (8) is arranged between the outer wall of the lower end of the upper joint (7) and the inner wall of the upper end of the upper hydraulic cylinder (11), a third sealing ring (9) is arranged between the outer wall of the upper end of the upper piston (10) and the inner wall of the upper end of the upper hydraulic cylinder (11), a fourth sealing ring (12) is arranged between the outer wall of the lower end of the upper piston (10) and the inner wall of the lower end of the upper hydraulic cylinder (11), a fifth sealing ring (13) is arranged between the outer wall of the lower end of the upper hydraulic cylinder (11) and the inner wall of the upper end of the middle hydraulic cylinder (16), a sixth sealing, be provided with seven (17) of multichannel sealing washer between middle piston (15) lower extreme outer wall and middle pneumatic cylinder (16) lower extreme inner wall, be provided with eight (18) of multichannel sealing washer between middle pneumatic cylinder (16) lower extreme outer wall and lower pneumatic cylinder (21) upper end inner wall, be provided with nine (19) of multichannel sealing washer down between piston (20) upper end outer wall and lower pneumatic cylinder (21) upper end inner wall, be provided with ten (23) of sealing washer down between piston (20) lower extreme outer wall and reducer union (22) upper end inner wall.
6. The anchored hydraulic casing reshaping tool according to claim 5, wherein the number of seal rings four (12) is two, the number of seal rings five (13) is two, the number of seal rings six (14) is two, the number of seal rings seven (17) is two, the number of seal rings eight (18) is two, and the number of seal rings nine (19) is two.
7. The anchored hydraulic casing reshaping tool of claim 6, wherein the first seal ring (5), the second seal ring (8), the third seal ring (9), the fourth seal ring (12), the fifth seal ring (13), the sixth seal ring (14), the seventh seal ring (17), the eighth seal ring (18), the ninth seal ring (19) and the tenth seal ring (23) are all O-shaped rubber rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910996780.2A CN110593794B (en) | 2019-10-19 | 2019-10-19 | Anchor type hydraulic sleeve shaping tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910996780.2A CN110593794B (en) | 2019-10-19 | 2019-10-19 | Anchor type hydraulic sleeve shaping tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110593794A true CN110593794A (en) | 2019-12-20 |
| CN110593794B CN110593794B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910996780.2A Active CN110593794B (en) | 2019-10-19 | 2019-10-19 | Anchor type hydraulic sleeve shaping tool |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196484A (en) * | 2020-09-08 | 2021-01-08 | 中国石油天然气股份有限公司 | Hydraulic anchor releasing tool |
| CN112377135A (en) * | 2020-11-12 | 2021-02-19 | 中国石油大学(华东) | Hydraulic reducing ball shaper for oil well casing |
| CN113622855A (en) * | 2021-09-18 | 2021-11-09 | 大庆科力远石油装备制造有限公司 | Hydraulic shaping device for casing |
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| CN112196484A (en) * | 2020-09-08 | 2021-01-08 | 中国石油天然气股份有限公司 | Hydraulic anchor releasing tool |
| CN112196484B (en) * | 2020-09-08 | 2022-04-26 | 中国石油天然气股份有限公司 | Hydraulic anchor releasing tool |
| CN112377135A (en) * | 2020-11-12 | 2021-02-19 | 中国石油大学(华东) | Hydraulic reducing ball shaper for oil well casing |
| CN113622855A (en) * | 2021-09-18 | 2021-11-09 | 大庆科力远石油装备制造有限公司 | Hydraulic shaping device for casing |
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