CN117345140B - Supporting anchor device for jetting and decoupling same-hole secondary perforation - Google Patents
Supporting anchor device for jetting and decoupling same-hole secondary perforation Download PDFInfo
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- CN117345140B CN117345140B CN202311648805.2A CN202311648805A CN117345140B CN 117345140 B CN117345140 B CN 117345140B CN 202311648805 A CN202311648805 A CN 202311648805A CN 117345140 B CN117345140 B CN 117345140B
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- 238000004873 anchoring Methods 0.000 claims abstract description 19
- 230000008878 coupling Effects 0.000 claims description 20
- 238000010168 coupling process Methods 0.000 claims description 20
- 238000005859 coupling reaction Methods 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 8
- 239000012530 fluid Substances 0.000 abstract description 4
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000009977 dual effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 241001023788 Cyttus traversi Species 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000009466 transformation Effects 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/04—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion
- E21B23/0411—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion specially adapted for anchoring tools or the like to the borehole wall or to well tube
-
- 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/04—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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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)
- Earth Drilling (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a shooting and uncoupling supporting anchor device for a same-hole secondary perforation, relates to the technical field of oilfield production equipment, and solves the problems of long time and low efficiency of fishing out a hydraulic anchor after cable perforation. According to the invention, the anchoring device is pulled by the pull rod, the anchoring of the device is realized by the cooperation of the anchor teeth and the cone, and the ground operation electric appliance control switch opens the liquid inlet hole to enable the support anchor to be released after the anchor is seated; and lifting the cable after releasing, and lifting the horse-bit out of the wellhead. The lower end head of the unlocking rod assembly at the lower end of the perforating gun enters the reversing body to be clamped with the reversing body; and lifting the cable after the perforating gun perforates, pulling the unlocking rod assembly by the perforating gun, pulling the slide valve upwards by the unlocking rod assembly, pushing the upper piston to move downwards by well fluid, and separating the anchor teeth from the cone through the pull rod to realize anchor unlocking. The invention realizes the completion of perforation and one-time lifting of the anchor-releasing cable, solves the problems of independent anchor-releasing and long operation period in the same-hole secondary perforation, and improves the production efficiency.
Description
Technical Field
The invention relates to the technical field of oilfield production equipment, in particular to a jet and uncoupling supporting anchor device for same-hole secondary perforation.
Background
Various azimuth perforation methods such as oil pipe conveying, cable conveying and the like of a vertical well and an inclined well exist at home and abroad, wherein the azimuth perforation method comprises azimuth perforation of the vertical well by using a gyroscope for direction finding, azimuth perforation of the inclined well by adopting an internal directional perforator and the like. When perforating in azimuth of a vertical well, a common mode is that an oil pipe is used for conveying a perforator, then the operation pipe column is rotated through a wellhead, and azimuth perforation is carried out after the azimuth of the perforation is measured by a carried gyroscope. The error of the azimuth measurement precision of the gyroscope is +/-5 degrees. Along with development of oil fields, perforation completion technology and process are continuously innovated and developed, and in recent years, newly developed precise perforation technology for the well-logging transformation of the old well is used for carrying out same-hole secondary perforation on the original perforation tunnels of the old well, so that higher requirements are provided for the azimuth accuracy of underground azimuth perforation, the original azimuth accuracy of the azimuth perforation cannot meet the process requirements, and the operation efficiency is low and the cost is high. At present, in secondary cable perforation operation, after the cable is perforated, the cable is required to be lowered into the well again, and the hydraulic anchor is fished out to perform well-out operation, so that the operation time is prolonged, and the perforation operation efficiency is greatly influenced.
Disclosure of Invention
The invention aims to solve the problems of long operation time and low efficiency caused by fishing out a hydraulic anchor after the cable perforation, and provides a shooting and uncoupling supporting anchor device for the same-hole secondary perforation.
The invention provides a shooting and decoupling support anchor device for a same-hole secondary perforation, which comprises an upper joint, a releasing pipe assembly, a salvaging head, a first jacket, a central pipe upper cap, a first coupling, a second jacket, a plurality of shear pins, a sliding sleeve, a plurality of steel balls, a first central pipe, a second central pipe, a reversing body jacket, a reversing body, a second coupling, a sliding valve, an upper piston, a piston connecting pipe, a cone upper cylinder, a lower piston, a cone, a pull rod and an anchoring device, wherein the upper end of the releasing pipe assembly is provided with the upper joint, the lower end of the releasing pipe assembly is clamped with the first central pipe through the plurality of steel balls, the sliding sleeve is sleeved at the position, corresponding to the clamping connection of the plurality of steel balls and the releasing pipe assembly, of the outer part of the first central pipe, and the sliding sleeve is arranged on the first central pipe through the plurality of shear pins; the lower end of the first central tube is connected with the upper end of the second central tube; the lower end of the second central tube is connected with the upper end of the upper piston, the lower end of the upper piston is connected with the upper end of the piston connecting tube, and the lower end of the piston connecting tube is connected with the upper end of the lower piston; the lower end of the lower piston is connected with a pull rod, and the lower end of the pull rod is connected with an anchoring device;
the second central tube is internally provided with a reversing body jacket, the lower end of the reversing body jacket is connected with the upper end of the sliding valve, and the lower end of the sliding valve is abutted against the lower piston; the reversing body is arranged in the reversing body jacket, and the lower end of the reversing body is leaned against the upper end of the slide valve;
the outer part of the pull rod is sleeved with a cone, and the upper end of the cone is connected with the lower end of the cone upper cylinder; the upper end of the cone upper cylinder is connected with a second outer sleeve through a second coupling; the upper end of the second outer sleeve is connected with the first outer sleeve through a first coupling; the upper end of the first outer sleeve is connected with the fishing head;
the upper cap of the central tube is leaned against the first coupling;
the anchoring device comprises an anchor tooth, an anchor tooth blocking ring, an anchor tooth frame and an anchor tooth liner tube, wherein the lower end of the pull rod is sleeved with the anchor tooth liner tube, the outer part of the tooth liner tube is sleeved with the anchor tooth frame, and the anchor tooth is arranged on the anchor tooth liner tube through the anchor tooth frame; the anchor tooth frame is provided with an anchor tooth baffle ring.
Further, a baffle ring is sleeved on the first central tube, and the baffle ring is sleeved on the first central tube through a baffle nail; the baffle ring is arranged above the sliding sleeve.
Further, a hoop spring is arranged on the anchor teeth.
Further, a positioning key is arranged on the salvaging head.
Further, the fishing head is provided with a plurality of righting sheets, and the upper ends and the lower ends of the righting sheets are fixed on the fishing head through two hoops.
The supporting anchor device for the same-hole secondary perforation injection and release has the beneficial effects that:
(1) According to the shooting and releasing combined supporting anchor device for the same-hole secondary perforation, the perforation and releasing cable is lifted up once, the anchoring device is pulled by a pull rod, anchoring of the device is achieved through cooperation of anchor teeth and cones, and a ground operation electric appliance control switch opens a liquid inlet hole to enable the supporting anchor to be released after anchoring; and lifting the cable after releasing, and lifting the horse-bit out of the wellhead. The lower end head of the unlocking rod assembly at the lower end of the perforating gun enters the reversing body to be clamped with the reversing body; after the perforating gun perforates, the cable is lifted up, the perforating gun pulls the unlocking rod assembly, the sliding valve is pulled up by the unlocking rod assembly, the well fluid pushes the upper piston to move downwards, the anchor teeth are separated from the cone body through the pull rod, the anchor is released, the problem that the anchor is independently released in the same-hole secondary perforation is solved, the problem that the working period is long in the same-hole secondary perforation is solved, and the production efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
In the drawings:
FIG. 1 is a schematic view of a structure of a support anchor device for perforating and deactivating a secondary perforation of the same hole according to the present invention;
FIG. 2 is an enlarged view of a portion of the same hole secondary perforation shoot and de-shoot support anchor assembly of the present invention at A in FIG. 1;
FIG. 3 is an enlarged view of a portion of the same hole secondary perforation shoot and de-shoot support anchor assembly of the present invention at B in FIG. 1;
FIG. 4 is an enlarged view of a portion of the same hole secondary perforation shoot and de-shoot support anchor assembly of the present invention at C in FIG. 1;
FIG. 5 is a partial enlarged view of a dual perforation perforating and de-perforating support anchor assembly of the present invention at D in FIG. 1;
FIG. 6 is an enlarged view of a portion of the same hole secondary perforation injection and decompression support anchor device of FIG. 1 at E;
FIG. 7 is an enlarged view of a portion of the same hole secondary perforation shoot and de-shoot support anchor assembly of the present invention at F in FIG. 1;
FIG. 8 is a partial enlarged view of a dual perforation perforating and de-perforating support anchor assembly of the present invention at G in FIG. 1;
FIG. 9 is an enlarged view of a portion of the same hole secondary perforation shoot and de-shoot support anchor assembly of the present invention at H in FIG. 1;
FIG. 10 is an enlarged view of a portion of the same hole secondary perforation injection and decompression support anchor device of the present invention at I in FIG. 1;
FIG. 11 is a schematic view of a construction of a casing assembly for perforating and deactivating a support anchor assembly for a secondary perforation of a same perforation in accordance with the present invention;
FIG. 12 is a schematic illustration of the use of a stuck-relief assembly of a dual perforation injection and release support anchor assembly according to the present invention;
FIG. 13 is a schematic view of a stuck-relief assembly of a dual perforation injection and release support anchor assembly according to the present invention;
wherein: 1-upper joint, 2-releasing pipe assembly, 3-fishing head, 4-first screw, 5-locating key, 6-hoop, 7-righting piece, 8-pin, 9-first jacket, 10-central pipe upper cap, 11-second screw, 12-first coupling, 13-second jacket, 14-retainer ring, 15-retainer pin, 16-shear pin, 17-sliding sleeve, 18-steel ball, 19-first central pipe, 20-second central pipe, 21-reversing body jacket, 22-reversing body, 23-second coupling, 24-sliding valve, 25-upper piston, 26-piston connecting pipe, 27-cone upper cylinder, 28-lower piston, 29-cone, 30-pull rod, 31-anchor, 32-hoop spring, 33-anchor retainer ring, 34-third screw, 35-anchor bracket, 36-anchor liner, 37-releasing rod assembly.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings:
the first embodiment is as follows: the present embodiment is specifically described with reference to fig. 1 to 13. The shooting and decoupling support anchor device for the same-hole secondary perforation specifically comprises an upper joint 1, a releasing pipe assembly 2, a fishing head 3, a first outer sleeve 9, a central pipe upper cap 10, a first coupling 12, a second outer sleeve 13, a plurality of shear pins 16, a sliding sleeve 17, a plurality of steel balls 18, a first central pipe 19, a second central pipe 20, a reversing body outer sleeve 21, a reversing body 22, a second coupling 23, a sliding valve 24, an upper piston 25, a piston connecting pipe 26, a cone upper cylinder 27, a lower piston 28, a cone 29, a pull rod 30 and an anchoring device, wherein the upper end of the releasing pipe assembly 2 is provided with the upper joint 1 and is connected with the upper joint 1 through threads, the lower end of the releasing pipe assembly is clamped with the first central pipe 19 through the plurality of steel balls 18, and the plurality of steel balls 18 are arranged in holes circumferentially arranged on the first central pipe 19; the sliding sleeve 17 is sleeved at the outer part of the first central tube 19 corresponding to the clamping positions of the steel balls 18 and the releasing tube assembly 2, and the sliding sleeve 17 is arranged on the first central tube 19 through the shear pins 16; the lower end of the first central tube 19 is connected with the upper end of the second central tube 20 through threads; the lower end of the second central tube 20 is connected with the upper end of the upper piston 25 through threads, the lower end of the upper piston 25 is connected with the upper end of the piston connecting tube 26 through threads, and the lower end of the piston connecting tube 26 is connected with the upper end of the lower piston 28 through threads; the lower end of the lower piston 28 is connected with a pull rod 30 through threads, and the lower end of the pull rod 30 is connected with an anchoring device;
the second central tube 20 is internally provided with a reversing body jacket 21, the lower end of the reversing body jacket 21 is connected with the upper end of the slide valve 24 through threads, and the lower end of the slide valve 24 is seated on the lower piston 28; a reversing body 22 is arranged in the reversing body jacket 21, and the lower end of the reversing body 22 is leaned against the upper end of the slide valve 24; a reversing groove is arranged in the reversing body 22;
the outside of the pull rod 30 is sleeved with a cone 29, and the upper end of the cone 29 is connected with the lower end of the cone upper cylinder 27 through threads; the upper end of the cone upper cylinder 27 is connected with the second outer sleeve 13 through the second coupling 23, the upper end of the cone upper cylinder 27 is in threaded connection with the lower end of the second coupling 23, and the upper end of the second coupling 23 is in threaded connection with the lower end of the second outer sleeve 13; the upper end of the second outer sleeve 13 is connected with the first outer sleeve 9 through a first coupling 12, the upper end of the second outer sleeve 13 is connected with the lower end of the first coupling 12 through threads, and the upper end of the first coupling 12 is connected with the first outer sleeve 9 through a second screw 11; the upper end of the first outer sleeve 9 is connected with the fishing head 3 through threads;
the base pipe upper cap 10 rests on a first collar 12.
The first central tube 19 is sleeved with a baffle ring 14, and the baffle ring 14 is sleeved on the first central tube 19 through a baffle nail 15; the baffle ring 14 is arranged above the sliding sleeve 17.
The anchoring device comprises an anchor tooth 31, an anchor tooth baffle ring 33, an anchor tooth frame 35 and an anchor tooth liner tube 36, the lower end of the pull rod 30 is sleeved with the anchor tooth liner tube 36, and the pull rod 30 is connected with the anchor tooth liner tube 36 through threads; the outer part of the anchor tooth liner tube 36 is sleeved with an anchor tooth frame 35, and the lower end of the anchor tooth frame 35 is connected with the outer thread of the anchor tooth liner tube 36; the anchor teeth 31 are mounted on the anchor tooth liner 36 through the anchor tooth brackets 35; the anchor frame 35 is provided with an anchor stop ring 33, the anchor stop ring 33 is fixed in an outer groove of the anchor frame 35 through a third screw 34, and the third screw 34 passes through the anchor stop ring 33 and is screwed on the anchor frame 35.
The anchor teeth 31 are provided with hoop springs 32, and the hoop springs 32 are sleeved in the outer circular grooves of the anchor teeth 31.
The fishing head 3 is provided with a positioning key 5, and the positioning key 5 is arranged on the outer wall of the fishing head 3 through two first screws 4.
The fishing head 3 is provided with a plurality of righting sheets 7, and the upper ends and the lower ends of the righting sheets 7 are fixed on the fishing head 3 through two hoops 6.
The slide valve 24 has a plurality of through holes at its lower end, and the lower piston 28 has a plurality of through holes. The second central tube 20 is provided with a plurality of liquid outlet holes.
The concrete working process of the supporting anchor device with the same-hole secondary perforation injection and release function is explained as follows:
during the anchoring releasing operation, the lower end of the horse head is connected with the upper end screw thread of the supporting anchor in a shooting and releasing way, the supporting anchor is lowered into the wellhead sleeve by the lowering cable, the lowering of the supporting anchor stops after the supporting anchor is lowered into the designed perforation section depth, the ground operation electric appliance control switch is opened, the liquid inlet Kong Jingye is always downwards fed into the lower end of the lower piston 28 along the upper joint 1 and the releasing pipe assembly 2 through the through hole at the lower end of the slide valve 24 and the through hole on the lower piston 28, the well hydraulic force pushes the lower piston 28 to upwards move and drive the pull rod 30, and the pull rod 30 pulls the anchor teeth 31 to upwards lean against the cone 29, so that the anchoring of the supporting anchor is realized. After the anchor teeth 31 and the cone 29 are tightly fixed, the well fluid pushes the sliding sleeve 17 upwards along the liquid outlet hole of the second central tube 20 and shears the shear pins 16, after the sliding sleeve 17 moves upwards and contacts with the baffle ring 14, the steel balls 18 are released outwards to separate from the clamping groove of the releasing tube assembly 2, and the releasing tube assembly 2 is separated from the first central tube 19; and the cable is lifted upwards, and the releasing pipe assembly 2 is pulled out, so that the releasing after the anchor is supported. And lifting the cable after releasing, and lifting the horse-bit out of the wellhead.
Referring to fig. 12 and 13, during perforating and de-anchoring operations, the lower end of the horse-head is in threaded connection with the upper end of the perforating gun, the lower end of the perforating gun is connected with the de-clamping rod assembly 37, then the cable is lowered to enable the perforating gun to enter the wellhead, and the cable is continuously lowered to enable the lower end of the perforating gun to be seated on the upper end of the supporting anchor. The clamping head at the lower end of the clamping-releasing rod assembly 37 at the lower end of the perforating gun enters the circulating reversing groove of the reversing body 22 in the hydraulic anchor, and when the cable is lifted upwards, the clamping head of the clamping-releasing rod assembly 37 is automatically reversed and clamped in the reversing body 22.
And after the perforation gun is detonated, the cable is lifted up after the perforation is finished, the clamping head of the clamping rod releasing assembly 37 is automatically and reversely clamped on the inner groove of the reversing body 22, the sliding valve 24 is pulled by the lifting cable to move upwards until the upper end of the piston connecting pipe 26 contacts with the inner end table of the central pipe 2, the sliding valve 24 opens the liquid outlet hole at the lower end of the second central pipe 20, the well liquid pushes the upper piston 25 to move downwards, and the anchor teeth 31 are separated from the cone 29 through the pull rod 30. After the cable is in a tensioning state for 5 minutes, the supporting anchor is released, and the cable is continuously lifted to bring the supporting anchor out of the wellhead.
According to the embodiment, the perforation and anchor releasing cable lifting is completed at one time by the perforation and anchor releasing device with the same-hole secondary perforation, the anchoring device is pulled by the pull rod 30, the anchoring of the device is realized by the cooperation of the anchor teeth 31 and the cone 29, and the ground operation electric appliance control switch opens the liquid inlet hole to enable the support to be anchored and released; and lifting the cable after releasing, and lifting the horse-bit out of the wellhead. The lower end of the perforating gun lower end unclamping rod assembly 37 enters the reversing body 22 and is clamped with the reversing body 22; after the perforating gun perforates, the cable is lifted up, the perforating gun pulls the unlocking rod assembly 37, the sliding valve 24 is pulled up by the unlocking rod assembly 37, the well fluid pushes the upper piston 25 to move downwards, the anchor teeth 31 are separated from the cone 29 through the pull rod 30, the anchor is removed, the problem that the anchor is removed independently in the same-hole secondary perforation is solved, the problem that the working period is long in the same-hole secondary perforation is solved, and the production efficiency is improved.
The above specific embodiments are used for further detailed description of the objects, technical solutions and advantageous effects of the present invention. It should be understood that the foregoing description is only a specific example of the present invention, and is not intended to limit the invention, but rather is a reasonable combination of features described in the foregoing embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides a with penetrating, support anchor device is taken as to disjunctor of hole secondary perforation which characterized in that: the novel high-strength composite pipe joint comprises an upper joint (1), a releasing pipe assembly (2), a salvaging head (3), a first outer sleeve (9), a central pipe upper cap (10), a first coupling (12), a second outer sleeve (13), a plurality of shear pins (16), a sliding sleeve (17), a plurality of steel balls (18), a first central pipe (19), a second central pipe (20), a reversing body outer sleeve (21), a reversing body (22), a second coupling (23), a sliding valve (24), an upper piston (25), a piston connecting pipe (26), a cone upper cylinder (27), a lower piston (28), a cone (29), a pull rod (30) and an anchoring device, wherein the upper end of the releasing pipe assembly (2) is provided with the upper joint (1), the lower end of the releasing pipe assembly is clamped with the first central pipe (19) through the plurality of steel balls (18), the sliding sleeve (17) is sleeved at the position of the outer part of the first central pipe (19) corresponding to the clamping positions of the plurality of steel balls (18) and the releasing pipe assembly (2), and the sliding sleeve (17) is arranged on the first central pipe (19) through the plurality of shear pins (16); the lower end of the first central tube (19) is connected with the upper end of the second central tube (20); the lower end of the second central tube (20) is connected with the upper end of the upper piston (25), the lower end of the upper piston (25) is connected with the upper end of the piston connecting tube (26), and the lower end of the piston connecting tube (26) is connected with the upper end of the lower piston (28); the lower end of the lower piston (28) is connected with a pull rod (30), and the lower end of the pull rod (30) is connected with an anchoring device;
a reversing body jacket (21) is arranged in the second central tube (20), the lower end of the reversing body jacket (21) is connected with the upper end of a slide valve (24), and the lower end of the slide valve (24) is abutted against a lower piston (28); a reversing body (22) is arranged in the reversing body jacket (21), and the lower end of the reversing body (22) is leaned against the upper end of the slide valve (24);
the outside of the pull rod (30) is sleeved with a cone (29), and the upper end of the cone (29) is connected with the lower end of the cone upper cylinder (27); the upper end of the cone upper cylinder (27) is connected with the second outer sleeve (13) through the second coupling (23); the upper end of the second outer sleeve (13) is connected with the first outer sleeve (9) through a first coupling (12); the upper end of the first outer sleeve (9) is connected with the fishing head (3);
the upper cap (10) of the central tube is leaned against the first coupling (12);
the anchoring device comprises an anchor tooth (31), an anchor tooth blocking ring (33), an anchor tooth frame (35) and an anchor tooth liner tube (36), wherein the lower end of the pull rod (30) is sleeved with the anchor tooth liner tube (36), the anchor tooth frame (35) is sleeved outside the anchor tooth liner tube (36), and the anchor tooth (31) is arranged on the anchor tooth liner tube (36) through the anchor tooth frame (35); an anchor blocking ring (33) is arranged on the anchor frame (35);
a reversing groove is formed in the reversing body (22);
the lower end clamping head of the clamping rod releasing assembly (37) at the lower end of the perforating gun enters a circulating reversing groove of the reversing body (22) in the hydraulic anchor, and when the cable is lifted upwards, the clamping head of the clamping rod releasing assembly (37) is automatically reversed and clamped in the reversing body (22).
2. The perforating and deactivating support anchor device for the same-perforation secondary perforation as defined in claim 1, wherein: the first central tube (19) is sleeved with a baffle ring (14), and the baffle ring (14) is sleeved on the first central tube (19) through baffle nails (15); the baffle ring (14) is arranged above the sliding sleeve (17).
3. The perforating and deactivating support anchor device for the same-perforation secondary perforation as defined in claim 1, wherein: the anchor teeth (31) are provided with hoop springs (32).
4. The perforating and deactivating support anchor device for the same-perforation secondary perforation as defined in claim 1, wherein: the fishing head (3) is provided with a positioning key (5).
5. The perforating and deactivating support anchor device for the same-perforation secondary perforation as defined in claim 1, wherein: the fishing head (3) is provided with a plurality of righting sheets (7), and the upper ends and the lower ends of the righting sheets (7) are fixed on the fishing head (3) through two hoops (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311648805.2A CN117345140B (en) | 2023-12-05 | 2023-12-05 | Supporting anchor device for jetting and decoupling same-hole secondary perforation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311648805.2A CN117345140B (en) | 2023-12-05 | 2023-12-05 | Supporting anchor device for jetting and decoupling same-hole secondary perforation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117345140A CN117345140A (en) | 2024-01-05 |
| CN117345140B true CN117345140B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311648805.2A Active CN117345140B (en) | 2023-12-05 | 2023-12-05 | Supporting anchor device for jetting and decoupling same-hole secondary perforation |
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| CN (1) | CN117345140B (en) |
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| CN104314495A (en) * | 2014-09-28 | 2015-01-28 | 四机赛瓦石油钻采设备有限公司 | Coiled tubing hydraulic tubing anchor |
| CN104563956A (en) * | 2014-01-24 | 2015-04-29 | 大庆红祥寓科技有限公司 | Two-way anchored well plugging device |
| CN204646178U (en) * | 2015-06-01 | 2015-09-16 | 邹淑君 | Super elastic pit shaft switch |
| CN109854204A (en) * | 2019-03-19 | 2019-06-07 | 牡丹江天庆石油机械设备有限公司 | Repeatable docking salvaging type hollow bridging plug |
| CN110145269A (en) * | 2019-04-28 | 2019-08-20 | 宝鸡石油机械有限责任公司 | A kind of long-range hydraulically-controlled type hole protector tripping in recycling tool |
| CN110344780A (en) * | 2019-06-25 | 2019-10-18 | 大庆华油石油科技开发有限公司 | A kind of hydraulic deblocking tubing anchor |
| CN209818022U (en) * | 2019-03-19 | 2019-12-20 | 牡丹江天庆石油机械设备有限公司 | Hollow bridge plug capable of being repeatedly butted and salvaged |
| CN111594094A (en) * | 2020-07-01 | 2020-08-28 | 大庆金祥寓科技有限公司 | Penetrate stifled two-way shut-in well device of joint action |
| CN111877999A (en) * | 2020-08-24 | 2020-11-03 | 中国石油化工股份有限公司 | Coiled tubing hydraulic sand blasting perforation setting bridge plug integrated tubular column and construction method |
| CN112065311A (en) * | 2020-09-08 | 2020-12-11 | 中国石油天然气股份有限公司 | Hydraulic azimuth support |
| 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 |
| CN114278247A (en) * | 2021-12-31 | 2022-04-05 | 大庆金祥寓科技有限公司 | Ejection-blocking combined bidirectional blowout preventer controlled by setting by electronic coding technology |
| CN217151896U (en) * | 2022-04-26 | 2022-08-09 | 西安康普威能源技术有限公司 | High-temperature-resistant metal sealing hanger |
| CN115492549A (en) * | 2022-11-21 | 2022-12-20 | 山东博赛特石油技术有限公司 | Oil sleeve packer for casing patching well |
| CN116291270A (en) * | 2023-04-12 | 2023-06-23 | 大庆金祥寓科技有限公司 | Electromagnetic valve control hydraulic anchor |
| CN116464421A (en) * | 2023-03-29 | 2023-07-21 | 宝鸡通源石油钻采工具有限公司 | Once-well-descending azimuth perforation method |
| CN219472073U (en) * | 2023-04-12 | 2023-08-04 | 大庆金祥寓科技有限公司 | Cable conveying directional perforation soluble bridge plug |
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