CN213331006U - Anti-blocking packer - Google Patents
Anti-blocking packer Download PDFInfo
- Publication number
- CN213331006U CN213331006U CN202120942030.XU CN202120942030U CN213331006U CN 213331006 U CN213331006 U CN 213331006U CN 202120942030 U CN202120942030 U CN 202120942030U CN 213331006 U CN213331006 U CN 213331006U
- Authority
- CN
- China
- Prior art keywords
- movable ring
- harmomegathus
- packer
- threaded shaft
- fixed mounting
- 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
- Percussive Tools And Related Accessories (AREA)
Abstract
The utility model discloses a packer can prevent sticking relates to downhole tool technical field, including the connector, the connector has two, two the equal fixed mounting of one end of connector has the seal, two equal fixed mounting has the harmomegathus structure between the connector, the inside of harmomegathus structure is provided with the inner chamber, one side of inner chamber is provided with vice oil circuit, the one end swing joint of vice oil circuit has the threaded spindle, the outside fixed mounting of harmomegathus structure has the harmomegathus gum cover, the lower extreme of inner chamber inner wall is provided with the spacing interior rank that is located the threaded spindle below, the inside of threaded spindle is provided with the connecting axle, the lower extreme fixed mounting of connecting axle has drive gear, one side swing joint of drive gear has drive gear. The utility model discloses in, the device is inside all to adopt coordinated type structure, through the cooperation of threaded spindle with running gear and loose ring, makes the device when not using extra power supply, also can realize the harmomegathus operation to the harmomegathus gum cover.
Description
Technical Field
The utility model belongs to the technical field of downhole tool, especially, relate to anti-sticking packer.
Background
The packer is a downhole tool which is connected to a downhole string and used for packing an annular space between an oil pipe and an oil and gas well casing or an open hole well wall, when the annular space between the oil pipe and the oil and gas well casing or the open hole well wall needs to be packed, the packer is connected to the downhole string, and after the annular space is packed to a designed depth, a packing part on the packer is expanded to pack the annular space of the oil casing through hydraulic driving and the like. Different types of packers have different modes of activation and unsealing.
When the existing packer is used, an extra power source is needed to realize the sealing condition, for example, a rubber sleeve is expanded to seal an annular space between an oil pipe and a casing pipe under the action of water power or machinery, an upper oil layer and a lower oil layer are separated, and a certain construction purpose is achieved, but the operation is troublesome, the use is not simple and convenient enough, and the existing packer is easy to clamp in the use process; there is therefore a need for a packer that is jam proof.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problems that the packer needs an additional power source to realize the sealing condition when in use, the operation is troublesome, and the use is not simple and convenient enough, the packer capable of preventing the packer from being stuck is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the anti-blocking packer comprises two connecting bodies, wherein a sealing body is fixedly arranged at one end of each of the two connecting bodies, and an expansion and contraction structure is fixedly arranged between the two connecting bodies;
the expansion and contraction structure comprises an inner cavity arranged in the expansion and contraction structure, an auxiliary oil way is arranged on one side of the inner cavity, an opening is formed between the inner cavity and the auxiliary oil way, a threaded shaft is movably connected to the opening of the auxiliary oil way, and a limiting inner step located below the threaded shaft is arranged at the lower end of the inner wall of the inner cavity;
the outer side of the threaded shaft is provided with a movable ring in parallel, and the movable ring is rotatably connected with the threaded shaft through a transmission device; one side of the outer surface of the movable ring is movably connected with a lifting pin; the outer side fixed mounting of harmomegathus structure has the harmomegathus gum cover, the inside of harmomegathus gum cover is provided with the pressure chamber, fixed mounting has fluid storage cylinder body on the lifter pin, the piston rod and the lifter pin fixed connection of fluid storage cylinder body, the fluid storage cylinder body end of body pass through the connecting pipe with the pressure chamber is connected, the inside packing of hydraulic cylinder body has hydraulic oil.
Preferably, transmission includes the connecting axle that sets up in the threaded spindle inside, the lower extreme fixed mounting of connecting axle has a running gear, one side swing joint of running gear has drive gear, one side swing joint of drive gear has the activity ring, be connected through interior tooth's socket between drive gear and the activity ring.
Preferably, the outer surface of the movable ring is provided with a thread groove, and the inner side of the lifting pin is meshed with the movable ring through the thread groove.
Preferably, the outer side of the inner cavity on the collapsible structure is provided with an annular cavity, the movable ring and the lifting pin are positioned in the annular cavity, and the outer side of the lifting pin is attached to the inner wall of the collapsible structure.
Preferably, the both ends of activity ring all are connected through annular spout rotation with the inside of harmomegathus structure, the equal swing joint in both ends of activity ring has the ball, the activity ring passes through the ball with annular spout and is connected.
Preferably, the collapsible rubber sleeve is made of rubber, and the pressure cavity is communicated with the oil storage cylinder body through a connecting pipe.
Preferably, a limiting step for limiting the lifting pin is arranged in the annular cavity.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model discloses in, the device is inside all to adopt coordinated type structure, through the cooperation of threaded spindle with running gear and loose ring, makes the device when not using extra power supply, also can realize the harmomegathus operation to the harmomegathus gum cover, avoids the device when using, and the inner structure takes place the card situation of dying.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of the collapsible structure of the present invention;
FIG. 3 is an enlarged schematic view of the connection structure of the threaded shaft and the movable ring of the present invention;
fig. 4 is a schematic view of the transmission structure of the movable ring and the pressure chamber of the present invention.
Illustration of the drawings: 1. a linker; 2. a seal body; 3. a collapsible structure; 4. an inner cavity; 5. an auxiliary oil path; 6. a threaded shaft; 7. an expansion and contraction rubber sleeve; 8. limiting an inner step; 9. a connecting shaft; 10. a rotating gear; 11. a transmission gear; 12. a movable ring; 13. a lift pin; 14. an inner tooth socket; 15. an oil storage cylinder body; 16. a pressure chamber; 17. and (4) connecting the pipes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: but anti-sticking packer, including connector 1, connector 1 has two, the equal fixed mounting of one end of two connectors 1 has seal 2, equal fixed mounting has harmomegathus structure 3 between two connectors 1, wherein, harmomegathus structure 3 includes the inner chamber 4 of inside setting, one side of inner chamber 4 is provided with vice oil circuit 5, be equipped with the opening between inner chamber 4 and the vice oil circuit 5, the opening part swing joint of vice oil circuit 5 has threaded shaft 6, harmomegathus structure 3's outside fixed mounting has harmomegathus gum cover 7, harmomegathus gum cover 7's material is rubber, harmomegathus gum cover 7's inside is provided with pressure chamber 16, connecting pipe 17 and fluid storage cylinder body 15 intercommunication are passed through to pressure chamber 16's inside, through above-mentioned technical scheme, can realize the harmomegathus function of harmomegat.
The lower extreme of the inner wall of the inner chamber 4 is provided with a limiting inner step 8 positioned below the threaded shaft 6, the limiting inner step 8 is of a conical structure, and the limiting inner step 8 can be provided with different inner diameters, so that the flowing speed and the pressure of oil are increased.
The threaded shaft 6 is internally provided with a connecting shaft 9, the lower end of the connecting shaft 9 is fixedly provided with a rotating gear 10, one side of the rotating gear 10 is movably connected with a transmission gear 11, one side of the transmission gear 11 is movably connected with a movable ring 12, the outer surface of the movable ring 12 is provided with a thread groove, and the lifting pin 13 is meshed with the movable ring 12 through the thread groove; the lifting pin 13 is sleeved on the outer surface of the movable ring 12, and the outer side of the lifting pin 13 is attached to the inner wall of the collapsible structure 3, so that the lifting pin 13 can be supported in a limiting manner by the technical scheme; through the technical scheme, the sliding support function can be provided for the movable ring 12, the balls can also be bearings arranged on the movable ring 12 and the collapsible structure 3, and the stable and smooth rotation of the movable ring 12 can be ensured through the structure; the transmission gear 11 is connected with the movable ring 12 through an inner tooth socket 14, one side of the movable ring 12 is fixedly provided with an oil storage cylinder body 15, the oil storage cylinder body 15 comprises a telescopic rod and a hydraulic cylinder body, the interior of the hydraulic cylinder body is connected with the telescopic rod through sliding sealing, hydraulic oil is filled in the hydraulic cylinder body, one end of the telescopic rod is fixedly connected with a lifting pin, and an outlet of the end of the hydraulic cylinder body is connected with a pressure cavity 16 through a connecting pipe 17; through above-mentioned technical scheme, can realize the harmomegathus effect of device, effectively the anti-sticking moreover.
The working principle is as follows: when the device is used, the device is placed at a designated position, oil in an oil pipe enters from the lower end of the inner cavity 4, the flowing speed of the oil can be increased through the restriction of the limiting inner step 8, the pressure of the oil is increased, the oil is sprayed out when flowing through one side of the threaded shaft 6, so that the threaded shaft 6 is driven to rotate, after the threaded shaft 6 rotates, part of the oil is brought into the inner part of the auxiliary oil way 5 and then is sent out by the auxiliary oil way 5, when the threaded shaft 6 rotates, the connecting shaft 9 is driven, the rotating gear 10 is driven to rotate, then the rotating gear 10 is meshed with the tooth spaces of the transmission gear 11, the movable ring 12 is driven to rotate, when the movable ring 12 rotates, the thread groove on the outer side of the movable ring 12 is matched with the lifting pin 13, so that the lifting pin 13 achieves the lifting effect, when the lifting pin 13 is lifted, the pushing effect on the telescopic rod can be achieved, and the, at the moment, the pressure inside the hydraulic cylinder body can be increased, the pressure is sent into the pressure cavity 16 through the connecting pipe 17, the expansion and contraction rubber sleeve 7 is expanded, a sealing effect is formed on the outside, the setting operation is completed, the linkage structure is adopted inside the device, and the expansion and contraction operation can be realized on the expansion and contraction rubber sleeve 7 through the matching of the threaded shaft 6, the rotating gear 10 and the movable ring 12 when no additional power source is used, so that the clamping condition of the internal structure when the device is used is avoided.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The anti-blocking packer comprises two connecting bodies and is characterized in that one end of each of the two connecting bodies is fixedly provided with a sealing body, and an expansion and contraction structure is fixedly arranged between the two connecting bodies;
the expansion and contraction structure comprises an inner cavity arranged in the expansion and contraction structure, an auxiliary oil way is arranged on one side of the inner cavity, an opening is formed between the inner cavity and the auxiliary oil way, a threaded shaft is movably connected to the opening of the auxiliary oil way, and a limiting inner step located below the threaded shaft is arranged at the lower end of the inner wall of the inner cavity;
the outer side of the threaded shaft is provided with a movable ring in parallel, and the movable ring is rotatably connected with the threaded shaft through a transmission device; one side of the outer surface of the movable ring is movably connected with a lifting pin; the outer side fixed mounting of harmomegathus structure has the harmomegathus gum cover, the inside of harmomegathus gum cover is provided with the pressure chamber, fixed mounting has fluid storage cylinder body on the lifter pin, the piston rod and the lifter pin fixed connection of fluid storage cylinder body, the fluid storage cylinder body end of body pass through the connecting pipe with the pressure chamber is connected, the inside packing of hydraulic cylinder body has hydraulic oil.
2. The packer capable of preventing the jamming according to claim 1, wherein the transmission device comprises a connecting shaft arranged inside the threaded shaft, a rotating gear is fixedly installed at the lower end of the connecting shaft, a transmission gear is movably connected to one side of the rotating gear, a movable ring is movably connected to one side of the transmission gear, and the transmission gear is connected with the movable ring through an inner tooth socket.
3. The packer of claim 1, wherein the outer surface of the movable ring is provided with a thread groove, and the inner side of the lifting pin is engaged with the movable ring through the thread groove.
4. The packer of claim 3, wherein an annular cavity is formed in the collapsible structure on the outer side of the inner cavity, the movable ring and the lifting pin are located in the annular cavity, and the outer side of the lifting pin is attached to the inner wall of the collapsible structure.
5. The packer of claim 1, wherein both ends of the movable ring are rotatably connected with the inside of the collapsible structure through an annular chute, both ends of the movable ring are movably connected with balls, and the movable ring is connected with the annular chute through the balls.
6. The packer of claim 1, wherein the collapsible rubber sleeve is made of rubber, and the pressure chamber is connected to an oil storage cylinder via a connecting pipe.
7. The anti-sticking packer of claim 4, wherein a limiting step for limiting a lifting pin is arranged in the annular cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120942030.XU CN213331006U (en) | 2021-05-06 | 2021-05-06 | Anti-blocking packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120942030.XU CN213331006U (en) | 2021-05-06 | 2021-05-06 | Anti-blocking packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213331006U true CN213331006U (en) | 2021-06-01 |
Family
ID=76079668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120942030.XU Active CN213331006U (en) | 2021-05-06 | 2021-05-06 | Anti-blocking packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213331006U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114086911A (en) * | 2022-01-10 | 2022-02-25 | 东营市兆鑫工贸有限责任公司 | Mechanical packer with spiral self-sealing structure |
-
2021
- 2021-05-06 CN CN202120942030.XU patent/CN213331006U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114086911A (en) * | 2022-01-10 | 2022-02-25 | 东营市兆鑫工贸有限责任公司 | Mechanical packer with spiral self-sealing structure |
| CN114086911B (en) * | 2022-01-10 | 2022-04-01 | 东营市兆鑫工贸有限责任公司 | Mechanical packer with spiral self-sealing structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213331006U (en) | Anti-blocking packer | |
| CN210396619U (en) | Big through-hole drilling machine power head suitable for RJP and MJS worker method | |
| CN201250626Y (en) | Wellhead suspension device adopting coiled tubing as production string | |
| CN201246099Y (en) | Hydraulic drive rig power head | |
| CN208054006U (en) | A kind of oil splendid attire bucket of good airproof performance | |
| CN113309464A (en) | Oil pressure balancing device for diving equipment and use method thereof | |
| CN201152145Y (en) | Vertical type horizontal directional drilling rig | |
| CN104832094A (en) | Long auger drilling and base-expanding complete device and reaming method | |
| CN106761411A (en) | Drive casing appliances in a kind of motor-driven top | |
| CN205689123U (en) | A kind of revolution for raise boring machine drives structure | |
| CN111022017A (en) | Manual fracturing and production wellhead device and using method thereof | |
| CN206668180U (en) | A kind of high-pressure rotary seat for being used to rotate fuel feeding to pressure balance workover rig slips group | |
| CN201420501Y (en) | Hydraulic rotary table | |
| CN201496025U (en) | Hydraulic rotary well plugging device | |
| CN111852377B (en) | Wellhead assembly | |
| CN2872338Y (en) | High-pressure rotary sealing test stand for large vertical well drilling hob | |
| CN204419034U (en) | A kind of horizontal directional drilling machine power head device | |
| CN2908761Y (en) | Hanger for rotary cartriage container | |
| CN206487409U (en) | Drive casing appliances in a kind of motor-driven top | |
| CN203050509U (en) | High-pressure shunt used for drill stem | |
| CN111852338B (en) | Sliding sleeve type horizontal well floating device | |
| CN217151905U (en) | Anti-leakage oil field water injection wellhead device | |
| CN204782764U (en) | Bushing apparatus is driven down on full mechanical type wild card top | |
| CN109595383B (en) | Backwater self-closing valve | |
| CN219953299U (en) | Double-layer drill rod deep hole high-pressure fracturing packer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Anti jamming packer Effective date of registration: 20230717 Granted publication date: 20210601 Pledgee: Industrial and Commercial Bank of China Limited Dongying New Area sub branch Pledgor: SHANDONG ZHAOXIN OIL TOOLS CO.,LTD. Registration number: Y2023980048562 |