CN215369782U - Small casing repairing packer - Google Patents
Small casing repairing packer Download PDFInfo
- Publication number
- CN215369782U CN215369782U CN202022002377.4U CN202022002377U CN215369782U CN 215369782 U CN215369782 U CN 215369782U CN 202022002377 U CN202022002377 U CN 202022002377U CN 215369782 U CN215369782 U CN 215369782U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- guide
- movable rod
- head
- packer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a small casing repairing packer, which comprises a casing, wherein a movable rod is arranged on the inner side of the casing, and the outer side of the sleeve is sleeved with a movable sleeve which can move, the inner side surface of the movable sleeve is fixedly provided with a connector, one end of the connector penetrates through the side wall of the sleeve to be fixedly connected with the movable rod, one end of the sleeve is fixedly provided with a guide head, one end of the sleeve, which is close to the guide head, is sleeved with a rubber sleeve, when the packer is installed, the steel cable is fixedly connected with the movable rod, then the packer is sent to a designated position, then the steel cable is rotated to lead the chuck on the movable rod to be clamped in the abdicating groove so as to lead the movable rod to move inwards, at the moment, the movable sleeve extrudes the rubber sleeve to expand under the propping of the spring to realize the plugging, meanwhile, when the movable rod moves inwards, the locking block is driven to expand outwards and prop against the well wall to realize locking and anchoring.
Description
Technical Field
The utility model relates to the technical field of packers, in particular to a small casing repairing packer.
Background
A packer refers to a downhole tool having an elastomeric sealing element whereby the annulus between the string and the wellbore and between strings of various sizes is sealed off and the producing formation isolated to control production and protect the casing.
The applicant of the present invention has found that the plugging and lock-anchoring operations of the existing packers are inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a small casing repairing packer, aiming at solving the problem that the plugging and locking anchoring operation of the existing packer is inconvenient.
The utility model is realized by the following steps:
a small sleeve repairing packer comprises a sleeve, a movable rod is arranged on the inner side of the sleeve, a movable sleeve capable of moving is sleeved on the outer side of the sleeve, a connector is fixedly arranged on the inner side surface of the movable sleeve, one end of the connector penetrates through the side wall of the sleeve and is fixedly connected with the movable rod, a guide head is fixedly arranged at one end of the sleeve, a rubber sleeve is sleeved on one end, close to the guide head, of the sleeve, a spring for elastically pushing the rubber sleeve is arranged on one side, away from the rubber sleeve, of the movable sleeve, a clamping head clamped at the port of the sleeve is arranged at one end, located on the outer side of the sleeve, of the movable rod, a abdicating groove matched with the clamping head is formed in the inner side of the port of the sleeve, a detachable steel cable is fixedly connected at one end of the outer side of the movable rod, a plurality of locking blocks matched with the movable rod and uniformly arranged in a circumferential shape are arranged on the guide head, when the packer is installed, the steel cable is fixedly connected with the movable rod, then send the packer assigned position, then rotate the dop card that the steel cable made on the movable rod thereby make the movable rod can inwards move in stepping down the groove, make the movable sleeve extrusion rubber sleeve make its inflation and then realize the shutoff under the top of spring this moment, drive the locking piece to open the top tightly and realize the locking anchoring on the wall of a well to the outside when the movable rod inwards moves simultaneously.
Furthermore, the outside one end of movable rod is fixed and is provided with the connection spiral shell head, and the other end of movable rod be provided with locking piece complex conical head, the movable rod realizes through the conical head that the drive locking piece moves to outside and opens.
Furthermore, the fixed adapter sleeve that is provided with of one end of steel cable, and the adapter sleeve is twisted soon on connecting the spiral shell head, and the steel cable is twisted through the adapter sleeve and is twisted the cover and connect on the spiral shell head after packer locking anchoring, then can realize breaking away from the taking out of connecting the spiral shell head realization to the steel cable through the reverse rotation steel cable.
Further, be provided with on the guide head with locking piece complex guiding hole, and still be provided with guide slot on the guide head, guide slot's inboard is provided with the guide block, and is provided with the tight spring in top between guide block and guide slot's the inboard bottom, thereby the guide block passes through guide screw and the inboard bottom fixed connection of guide slot, thereby carries out the direction of elasticity top tight realization guide block to the guide block through the tight spring in top that sets up.
Furthermore, a guide plate is fixedly arranged on one side of the inner side of the locking block, one end of the guide plate penetrates through the side wall of the guide head to be connected with the movable rod, a guide inclined plane is arranged at one end, connected with the movable rod, of the guide plate, and the guide inclined plane is matched with the conical head of the movable rod to drive the locking block.
Compared with the prior art, the utility model has the beneficial effects that:
when the packer is installed, the steel cable is fixedly connected with the movable rod, then the packer is conveyed to a designated position, then the steel cable is rotated to enable the chuck on the movable rod to be clamped in the abdicating groove, so that the movable rod can move inwards, at the moment, the movable sleeve extrudes the rubber sleeve to expand under the propping of the spring so as to realize plugging, and meanwhile, the locking block is driven to be outwards opened and propped against the well wall to realize locking and anchoring when the movable rod moves inwards.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a perspective view of a small casing service packer of the present invention;
FIG. 2 is a schematic view of a movable rod structure of a small casing recovery packer of the present invention;
FIG. 3 is a schematic representation of a casing of a small casing service packer of the present invention;
FIG. 4 is a schematic view of a locking block of a small casing service packer of the present invention.
In the figure: 1. a wire rope; 11. connecting sleeves; 2. a sleeve; 21. a retainer ring; 22. a yielding groove; 3. a rubber sleeve; 4. a movable rod; 41. connecting a screw head; 42. a movable sleeve; 43. a conical head; 44. clamping a head; 45. a connector; 5. a spring; 6. a guide head; 61. a guide hole; 62. a guide block; 63. the spring is tightly propped; 64. a guide clamping groove; 7. a locking block; 71. a guide plate; 72. a guide slope.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
Specifically, referring to fig. 2, a connecting screw head 41 is fixedly disposed at one end of the outer side of the movable rod 4, a tapered head 43 matched with the locking block 7 is disposed at the other end of the movable rod 4, and the movable rod 4 drives the locking block 7 to move outwards and open through the tapered head 43.
Specifically, referring to fig. 2, a connection sleeve 11 is fixedly disposed at one end of the wire rope 1, the connection sleeve 11 is screwed on the connection screw head 41, the wire rope 1 is screwed on the connection screw head 41 through the connection sleeve 11, and after the packer is locked and anchored, the wire rope 1 can be separated from the connection screw head 41 by rotating the wire rope 1 in the opposite direction, so that the wire rope 1 can be taken out.
Specifically, referring to fig. 3, a guide hole 61 matched with the lock block 7 is formed in the guide head 6, a guide slot 64 is further formed in the guide head 6, a guide block 62 is arranged on the inner side of the guide slot 64, a tightening spring 63 is arranged between the guide block 62 and the bottom of the inner side of the guide slot 64, the guide block 62 is fixedly connected with the bottom of the inner side of the guide slot 64 through a guide screw, and the guide block 62 is elastically tightened through the tightening spring 63, so that the guide of the guide block 62 is realized.
Specifically, referring to fig. 4, a guide plate 71 is fixedly disposed on one side of the inner side of the lock block 7, one end of the guide plate 71 passes through the sidewall of the guide head 6 and is connected to the movable rod 4, a guide inclined surface 72 is disposed at one end of the guide plate 71 connected to the movable rod 4, and the guide inclined surface 72 is matched with the tapered head 43 of the movable rod 4 to drive the lock block 7.
The working principle is that when the packer is installed, the packer is conveyed to a designated position through the steel cable 1, then the steel cable 1 is rotated to enable the clamping head 44 on the movable rod 4 to be clamped in the abdicating groove 22, so that the movable rod 4 can move inwards, at the moment, the movable sleeve 42 extrudes the rubber sleeve 3 to expand and further realize plugging under the propping of the spring 5, meanwhile, the locking block 7 is driven to open outwards when the movable rod 4 moves inwards to prop against the wall of a well to realize locking and anchoring, and then the steel cable 1 is rotated reversely to enable the steel cable to be separated from the connecting screw head 41, so that the steel cable is taken out.
The device obtained by the design can basically meet the requirement of convenient operation of plugging and locking anchoring of the conventional packer, but the designer further improves the device with the aim of further improving the function.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A small casing repair packer comprising a casing (2), characterized in that: the inner side of the sleeve (2) is provided with a movable rod (4), the outer side of the sleeve (2) is sleeved with a movable sleeve (42) capable of moving, the inner side surface of the movable sleeve (42) is fixedly provided with a connector (45), one end of the connector (45) penetrates through the side wall of the sleeve (2) and is fixedly connected with the movable rod (4), one end of the sleeve (2) is fixedly provided with a guide head (6), one end, close to the guide head (6), of the sleeve (2) is sleeved with a rubber sleeve (3), one side, away from the rubber sleeve (3), of the movable sleeve (42) is provided with a spring (5) for elastically pushing the movable rod, one end, located outside the sleeve (2), of the movable rod (4) is provided with a clamping head (44) clamped at the port of the sleeve (2), the inner side of the port of the sleeve (2) is provided with a abdicating groove (22) matched with the clamping head (44), one end, outside of the movable rod (4) is fixedly connected with a detachable steel cable (1), the guide head (6) is provided with a plurality of locking blocks (7) which are matched with the movable rod (4) and are uniformly arranged in a circumferential shape.
2. The small casing repairing packer as claimed in claim 1, characterized in that one end of the outer side of the movable rod (4) is fixedly provided with a connecting screw head (41), and the other end of the movable rod (4) is provided with a conical head (43) matched with the locking block (7).
3. The small casing repair packer as claimed in claim 2, characterized in that a connecting sleeve (11) is fixedly arranged at one end of the steel cable (1), and the connecting sleeve (11) is screwed on the connecting screw head (41).
4. The small casing repair packer according to claim 3, wherein a guide hole (61) matched with the locking block (7) is formed in the guide head (6), a guide clamping groove (64) is further formed in the guide head (6), a guide block (62) is arranged on the inner side of the guide clamping groove (64), a jacking spring (63) is arranged between the guide block (62) and the bottom of the inner side of the guide clamping groove (64), and the guide block (62) is fixedly connected with the bottom of the inner side of the guide clamping groove (64) through a guide screw.
5. The small casing repairing packer as claimed in claim 4, characterized in that a guide plate (71) is fixedly arranged on one side of the inner side of the locking block (7), one end of the guide plate (71) penetrates through the side wall of the guide head (6) to be connected with the movable rod (4), and a guide inclined surface (72) is arranged at one end of the guide plate (71) connected with the movable rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022002377.4U CN215369782U (en) | 2020-09-14 | 2020-09-14 | Small casing repairing packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022002377.4U CN215369782U (en) | 2020-09-14 | 2020-09-14 | Small casing repairing packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215369782U true CN215369782U (en) | 2021-12-31 |
Family
ID=79598997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022002377.4U Active CN215369782U (en) | 2020-09-14 | 2020-09-14 | Small casing repairing packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215369782U (en) |
-
2020
- 2020-09-14 CN CN202022002377.4U patent/CN215369782U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7757756B2 (en) | Bridge plug and setting tool | |
| CN111075407B (en) | Underground throttling production device for gas well full life cycle and application method thereof | |
| US7823649B2 (en) | System and method for plugging a side pocket mandrel using a swelling plug | |
| CN101929317A (en) | Undersize-hole oil pipe plugging device | |
| CN215369782U (en) | Small casing repairing packer | |
| CN201013335Y (en) | Water injection well pressure-working technique pipe column | |
| CN201843567U (en) | Tubing plug capable of passing small hole | |
| CN210948580U (en) | Rubber cylinder protection equipment | |
| CN215332758U (en) | Differential pressure type oil extraction packer | |
| US6186234B1 (en) | Removal of lining from tubing | |
| CN201190546Y (en) | Backing type suspension unit special for release | |
| CN104499989A (en) | Fully-enclosed track anchoring mechanism with function of sand prevention | |
| CN208473811U (en) | Preset underground throttle | |
| CN114016930A (en) | Downhole tool string for coiled tubing operation | |
| CN216157626U (en) | Simple pressurized wellhead plugging device | |
| CN107503709B (en) | Well cementation device of thin interlayer adjusting well | |
| CN214498991U (en) | Packer convenient to installation | |
| CN202417377U (en) | Multifunctional oil field underground salvage device | |
| CN221373516U (en) | Retractable type seal overshot with pressure | |
| CN217206389U (en) | Mechanical plugging device | |
| CN117684910B (en) | Efficient sand-prevention forced unclamping throttle | |
| CN202500520U (en) | Replaceable suspension-type clip sealing device | |
| CN221481894U (en) | Anti-drop tubular column high-pressure permanent packer | |
| CN203584356U (en) | Push preventer of wellhead | |
| CN214787329U (en) | Well cementation fracturing valve with same ball and multiple cluster sleeve sleeves |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |