CN112780216B - Protection mechanism of expanding packer packing element - Google Patents
Protection mechanism of expanding packer packing element Download PDFInfo
- Publication number
- CN112780216B CN112780216B CN202110198707.8A CN202110198707A CN112780216B CN 112780216 B CN112780216 B CN 112780216B CN 202110198707 A CN202110198707 A CN 202110198707A CN 112780216 B CN112780216 B CN 112780216B
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- CN
- China
- Prior art keywords
- connecting plate
- outside
- jacket
- movably sleeved
- protection
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- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/128—Packers; Plugs with a member expanded radially by axial pressure
- E21B33/1285—Packers; Plugs with a member expanded radially by axial pressure by fluid pressure
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 the boreholes or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 the boreholes or wells
- E21B23/06—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells for setting packers
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
Abstract
The invention relates to the technical field of packers and discloses a protection mechanism of an expansion packer rubber cylinder, which comprises a rubber cylinder body, wherein an external protection pad is movably sleeved outside the rubber cylinder body, a connecting plate cannot be connected to the outside of one side of the rubber cylinder body in a fixed mode, a connecting jacket is movably sleeved on the upper portion of the connecting plate, and a lower connecting support pad is movably sleeved on the lower portion of the connecting plate. This protection mechanism of expanding packer packing element, the bolt through with external connection board externally mounted activity cup joints the inside of filling up outside gasket in proper order in external connection board and outside protection, make can drive the outside protection of device and fill up and be connected fixedly between the sealed pad of junction, the outside protection of device fills up can to the sealed outside of filling up of junction and carry out the effect of protecting for this reason, the phenomenon that the skew can be reduced to the outside protection pad of device simultaneously, the outside of filling up the activity of device simultaneously cup joints at the packing element body, make when receiving tension, can reduce the phenomenon that the damage appears in the packing element body of device, play the security when increasing the device and using.
Description
Technical Field
The invention relates to the technical field of packers, in particular to a protection mechanism of an expansion packer rubber cylinder.
Background
When an annular space between an oil pipe and an oil-gas well casing or an open hole well wall needs to be sealed, the packer is connected to the upper portion of the underground pipe column, and after the annular space is lowered to the designed depth, the packing part on the packer is expanded to seal the annular space of the oil sleeve in a hydraulic driving mode and the like. Different types of packers are different in starting mode and unsealing mode, after the hydraulic expansion packer is lowered to the designed depth, pressurization is carried out in an oil pipe, high-pressure liquid acts on an inner cavity of a rubber sleeve through pressure transmission holes in the packer, and the rubber sleeve expands to seal the annular space of an oil sleeve under the action of throttling pressure difference. When the oil pressure release, oil jacket pressure balance back, the packing element is received back the original state by the resilience force of self and is realized the deblocking, expansion packer packing element plays the effect of resilience in carrying out the use to expansion packer for provide the effect of power for the deblocking when using, need protect it when using expansion packer packing element, make to reduce the phenomenon that causes the damage to expansion packer packing element, make the protection machanism of an expansion packer packing element developed.
When current expanding packer packing element is using, the phenomenon that the junction appears connecting the unstability and leads to appearing leaking exists, and device expanding packer packing element needs compression and resilience when carrying out the use simultaneously, uses for a long time and leads to expanding packer packing element to appear fatigue damage's phenomenon.
Disclosure of Invention
Aiming at the defects of the protection mechanism of the existing expansion type packer rubber cylinder, the invention provides the protection mechanism of the expansion type packer rubber cylinder, which has the advantages of increasing the sealing property and the connection stability of a connection part, simultaneously increasing the protection on the outside of the rubber cylinder when the device is used and reducing the fatigue damage, and solves the problems in the background technology.
The invention provides the following technical scheme: the utility model provides a protection mechanism of expanding packer packing element, includes the packing element body, the outside protection pad has been cup jointed in the outside activity of packing element body, the external fixation of packing element body one side is opened and can not connect the connecting plate, the upper portion activity of connecting plate has cup jointed the connection and has been pressed from both sides the cover, the lower part activity of connecting plate has cup jointed the sub-unit connection supporting pad, the inside fixed fixedly connected with limit baffle that connects the cover, connect the cover outside fixedly connected with of pressing from both sides and go up the adapter sleeve, the outside activity of connecting the cover has cup jointed the junction and has sealed the pad, the sealed upper portion fixedly connected with external connection board that fills up of junction, the sealed inside both ends fixedly connected with of the sealed pad of junction seals up and has sealed grip block, the adapter sleeve is installed down to the opposite side of packing element body.
Preferably, the connecting jacket comprises an upper connecting jacket, a connecting plate placing groove is formed in the upper connecting jacket, and the limiting baffle is mounted in the connecting plate placing groove.
Preferably, the triangular inclined plate is installed at the front end of the connecting plate, the front end of the connecting plate is movably sleeved inside the connecting plate placing groove, and the connecting jacket is clamped inside the outer side of the connecting plate.
Preferably, the upper part of the connecting jacket and the upper part of the inner side of the connecting plate are provided with grooves, and two ends of the sealing clamping plate are respectively movably sleeved in the grooves formed in the upper parts of the connecting plate and the connecting jacket.
Preferably, the joint sealing gasket is composed of two semicircular baffles, and bolts are mounted outside the external connecting plate.
Preferably, gaskets provided with grooves are installed at two ends of the external protection pad, the gaskets are movably sleeved outside the sealing pad at the joint, and bolts are installed outside the external connecting plate and sequentially penetrate through the gaskets outside the external protection pad and the inside of the external connecting plate.
Preferably, the inner structure of the lower connecting sleeve is the same as that of the upper connecting sleeve.
Compared with the protection mechanism of the existing expanding packer rubber cylinder, the invention has the following beneficial effects:
1. this protection mechanism of expanding packer packing element, constitute by two semi-circular baffles through sealing up the device junction, it is convenient to install fixedly at packing element body and last adapter sleeve junction, install the sealed external connection department of device junction simultaneously and install the external connection board, and with the externally mounted of device external connection board there being the bolt, it connects fixedly to conveniently drive the sealed pad of device junction, make after the concatenation, play easy to assemble's effect, simultaneously cover respectively between connecting plate and connection clamp cover through the sealed pad of device junction, make the leakproofness when increasing the device and using, the both sides that drive the device simultaneously carry out the effect of injecing, make play the effect that the junction placed fracture and leakage between protection device packing element body and the last adapter sleeve.
2. This protection mechanism of expanding packer packing element, the bolt through with external connection board externally mounted activity cup joints the inside of filling up outside gasket in proper order in external connection board and outside protection, make can drive the outside protection of device and fill up and be connected fixedly between the sealed pad of junction, the outside protection of device fills up can to the sealed outside of filling up of junction and carry out the effect of protecting for this reason, the phenomenon that the skew can be reduced to the outside protection pad of device simultaneously, the outside of filling up the activity of device simultaneously cup joints at the packing element body, make when receiving tension, can reduce the phenomenon that the damage appears in the packing element body of device, play the security when increasing the device and using.
Drawings
FIG. 1 is a schematic view of a main structure of the present invention;
FIG. 2 is a schematic partial cross-sectional view of the inventive structure;
FIG. 3 is a schematic front view of a partial exploded view of the structure of the present invention;
FIG. 4 is a schematic cross-sectional view of a partially exploded view of the structure of the present invention;
FIG. 5 is an enlarged partial cross-sectional view of the structural colloid of the present invention.
In the figure: 1. a rubber cylinder body; 2. an external protective pad; 3. a connecting plate; 4. connecting a jacket; 41. connecting the upper jacket; 42. a connecting plate placing groove; 5. the lower part is connected with a supporting pad; 6. a limit baffle; 7. connecting sleeves are arranged; 8. a joint sealing gasket; 9. an external connection plate; 10. sealing the clamping plate; 11. a lower connecting sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a protection mechanism for an expandable packer rubber cylinder comprises a rubber cylinder body 1, an external protection pad 2 is movably sleeved on the outside of the rubber cylinder body 1, an external fixing opening on one side of the rubber cylinder body 1 cannot be connected with a connecting plate 3, a connecting jacket 4 is movably sleeved on the upper portion of the connecting plate 3, a lower connecting support pad 5 is movably sleeved on the lower portion of the connecting plate 3, a limit baffle 6 is fixedly connected inside the connecting jacket 4, an upper connecting sleeve 7 is fixedly connected on the outer side of the connecting jacket 4, a joint sealing pad 8 is movably sleeved on the outside of the connecting jacket 4, an external connecting plate 9 is fixedly connected on the upper portion of the joint sealing pad 8, sealing clamping plates 10 are fixedly connected on two ends inside the joint sealing pad 8, and a lower connecting sleeve 11 is installed on the other side of the rubber cylinder body 1.
Wherein, connect and press from both sides cover 4 including connecting and press from both sides cover 41, connect the inside of connecting plate standing groove 42 of having seted up of connecting plate of pressing from both sides cover 41, limit baffle 6 installs in the inside of connecting plate standing groove 42, has seted up connecting plate standing groove 42 through connecting the inside of pressing from both sides cover 41 with the device, during the use, conveniently drives the inside of device connecting plate 3 activity cup joint at connecting plate standing groove 42 for when using, increase and splice the in-process and increase the convenience between device packing element body 1 and the last adapter sleeve 7.
Wherein, triangle-shaped hang plate is installed to the front end of connecting plate 3, the front end activity of connecting plate 3 cup joints the inside at connecting plate standing groove 42, connect the inside of pressing from both sides the cover 4 joint in the connecting plate 3 outside, install triangle-shaped hang plate through the front end of device connecting plate 3, make things convenient for cup joint device connecting plate 3 activity in the inside of connecting plate standing groove 42, the internally mounted of device connecting plate standing groove 42 has limit baffle 6 simultaneously, conveniently drive the inside of device limit baffle 6 joint at connecting plate 3, play and assemble the in-process to device connecting plate 3 and connect between cover 4 and the sub-unit connection supporting pad 5 and play the effect of injecing, the phenomenon of activity appears between preventing device packing element body 1 and the last adapter sleeve 7, play the effect that increases the device and be convenient for the location.
Wherein, the upper part of the connecting jacket 4 and the upper part of the inner side of the connecting plate 3 are provided with grooves, the two ends of the sealing clamping plate 10 are respectively movably sleeved inside the grooves on the upper parts of the connecting plate 3 and the connecting jacket 4, the upper parts of the device connecting plate 3 and the connecting jacket 4 are respectively provided with grooves, the lower part of the sealing gasket 8 at the connection part of the device is provided with the sealing clamping plate 10, the sealing clamping plate 10 is respectively movably sleeved inside the grooves on the upper parts of the connecting plate 3 and the connecting jacket 4, the function of driving the sealing clamping plate 10 of the device to increase the sealing performance between the connection part of the connecting plate 3 and the connecting jacket 4 is achieved, the sealing clamping plate 10 of the device is respectively clamped inside the grooves on the outer parts of the connecting plate 3 and the connecting jacket 4, the clamping capacity between the connection part of the rubber cylinder body 1 and the upper connecting sleeve 7 is increased, the function of conveniently increasing the pulling force between the rubber cylinder body 1 and the upper connecting sleeve 7 is achieved, the phenomenon of looseness appears when the material is placed.
Wherein, the joint sealing gasket 8 consists of two semicircular baffles, the outside of the external connecting plate 9 is provided with a bolt, the sealing gasket 8 at the joint of the device is composed of two semicircular baffles, so that the installation and fixation at the joint of the rubber cylinder body 1 and the upper connecting sleeve 7 are convenient in the use process, meanwhile, an external connecting plate 9 is arranged at the external connecting part of the sealing gasket 8 at the connecting part of the device, and a bolt is arranged outside the external connecting plate 9 of the device, the sealing gasket 8 at the joint of the driving device is convenient to connect and fix, so that the device plays a role of convenient installation after splicing, meanwhile, the sealing gaskets 8 respectively cover the connecting plate 3 and the connecting jacket 4 through the connecting part of the device, so that the sealing performance of the device is improved when in use, meanwhile, the two sides of the driving device are limited, so that the effects of cracking and leakage at the joint between the rubber cylinder body 1 of the protection device and the upper connecting sleeve 7 are achieved.
Wherein, the two ends of the external protection pad 2 are provided with gaskets provided with grooves, the gaskets are movably sleeved outside the sealing pad 8 at the joint, the external connecting plate 9 is provided with bolts which sequentially penetrate through the gaskets outside the external protection pad 2 and the internal part of the external connecting plate 9, when the common rubber cylinder body 1 is used, under the action of extrusion force, the common rubber cylinder body 1 has the phenomenon of stretching, so that the external part of the rubber cylinder body 1 has the phenomenon of cracking when in use, the external protection pad 2 is movably sleeved outside the rubber cylinder body 1, the gaskets are simultaneously arranged at the two sides of the external protection pad 2, the gaskets are movably adjusted outside the sealing pad 8 at the joint, when in use, the external connecting plate 9 of the device is movably adjusted inside the grooves arranged on the gaskets, so that the bolts externally arranged by the external connecting plate 9 are sequentially and movably sleeved inside the gaskets outside the external connecting plate 9 and the external protection pad 2, make and to drive device external protection pad 2 and the junction fills up and to be connected fixedly between the 8, device external protection pad 2 can carry out the effect of protecting to the outside that the junction fills up 8 for this reason, the device can reduce the phenomenon of skew in external protection pad 2 simultaneously, device external protection pad 2 activity is cup jointed in the outside of packing element body 1 simultaneously, make when receiving tension, can reduce the phenomenon that device packing element body 1 appears damaging, play the security when increasing the device and use.
Wherein, the inner structure of lower adapter sleeve 11 is the same with last adapter sleeve 7, and it is the same with lower adapter sleeve 11 inner structure to go up adapter sleeve 7 through the device for increase the convenience in the installation, play the effect of conveniently driving and installing between the both ends of device packing element body 1 and last adapter sleeve 7 and lower adapter sleeve 11.
The working principle is as follows: when in use, the external protection pad 2 is movably sleeved on the external part of the rubber cylinder body 1, the triangular convex plate arranged at the front end of the device connecting plate 3 is movably sleeved between the connecting jacket 4 and the lower connecting support pad 5, the triangular convex plate is formed at the front end of the device connecting plate 3, so that the device connecting plate 3 is conveniently driven to be movably sleeved inside the connecting plate placing groove 42, the limit baffle 6 is arranged inside the device connecting plate placing groove 42, the device limit baffle 6 is conveniently driven to be movably clamped inside the connecting plate 3, so that the rubber cylinder body 1 and the upper connecting sleeve 7 are conveniently positioned when being installed, the connecting pad 8 at the connecting part is movably sleeved on the external parts of the connecting plate 3 and the connecting jacket 4, the baffles arranged at the two sides of the external protection pad 2 are movably sleeved outside the connecting pad 8 at the connecting part, and the bolt is arranged inside the external connecting plate 9 of the device, make and drive and be connected fixedly between device external protection pad 2 and the external connection board 9, so far the sealed pad 8 of drive device junction seals up and seals fixedly between connecting plate 3 and the connecting sleeve 4, makes things convenient for the junction to appear leaking and the outside activity of installing packing element body 1 has cup jointed external protection pad 2 for increase the effect of protectiveness after bearing the power of rising to packing element body 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a protection machanism of expanding packer packing element, includes packing element body (1), its characterized in that: an external protective pad (2) is movably sleeved outside the rubber cylinder body (1), a connecting plate (3) is fixedly connected outside one side of the rubber cylinder body (1), the upper part of the connecting plate (3) is movably sleeved with a connecting jacket (4), the lower part of the connecting plate (3) is movably sleeved with a lower connecting supporting pad (5), a limit baffle (6) is fixedly connected inside the connecting jacket (4), an upper connecting sleeve (7) is fixedly connected outside the connecting jacket (4), a joint sealing gasket (8) is movably sleeved outside the connecting jacket (4), the upper part of the joint sealing gasket (8) is fixedly connected with an external connecting plate (9), two ends of the inside of the sealing gasket (8) at the joint are fixedly connected with a sealing clamping plate (10), and a lower connecting sleeve (11) is arranged on the other side of the rubber cylinder body (1).
2. The protection mechanism for an expandable packer element of claim 1, wherein: the connecting jacket (4) comprises an upper connecting jacket (41), a connecting plate placing groove (42) is formed in the upper connecting jacket (41), and the limiting baffle (6) is installed in the connecting plate placing groove (42).
3. The protection mechanism for an expandable packer element of claim 1, wherein: grooves are formed in the upper portion of the connecting jacket (4) and the upper portion of the inner side of the connecting plate (3), and two ends of the sealing clamping plate (10) are movably sleeved inside the grooves formed in the upper portions of the connecting plate (3) and the connecting jacket (4) respectively.
4. The protection mechanism for an expandable packer element of claim 1, wherein: the joint sealing gasket (8) is composed of two semicircular baffles, and bolts are mounted outside the external connecting plate (9).
5. The protection mechanism for an expandable packer element of claim 1, wherein: the outer protection pad (2) is provided with gaskets with grooves at two ends, the gaskets are movably sleeved outside the sealing gasket (8) at the joint, and bolts are arranged outside the outer connecting plate (9) and sequentially penetrate through the gaskets outside the outer protection pad (2) and the inner part of the outer connecting plate (9).
6. The protection mechanism for an expandable packer element of claim 1, wherein: the internal structure of the lower connecting sleeve (11) is the same as that of the upper connecting sleeve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110198707.8A CN112780216B (en) | 2021-02-23 | 2021-02-23 | Protection mechanism of expanding packer packing element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110198707.8A CN112780216B (en) | 2021-02-23 | 2021-02-23 | Protection mechanism of expanding packer packing element |
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| Publication Number | Publication Date |
|---|---|
| CN112780216A CN112780216A (en) | 2021-05-11 |
| CN112780216B true CN112780216B (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110198707.8A Active CN112780216B (en) | 2021-02-23 | 2021-02-23 | Protection mechanism of expanding packer packing element |
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| Country | Link |
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| CN (1) | CN112780216B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216893B (en) * | 2021-06-09 | 2021-12-28 | 黑龙江景宏石油设备制造有限公司 | Packer for preventing packer rubber sleeve from being damaged |
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| CN204591204U (en) * | 2015-04-08 | 2015-08-26 | 阜新市石油工具厂 | The protection mechanism of Inflatable type packer rubber sleeve and use its packing element and packer |
| CN206530312U (en) * | 2017-03-08 | 2017-09-29 | 阜新驰宇石油机械有限公司 | A kind of inflatable packer |
| CN207436997U (en) * | 2017-11-15 | 2018-06-01 | 盐城市佳鑫石化机械制造有限公司 | A kind of inflatable packer |
| CN210068064U (en) * | 2019-06-02 | 2020-02-14 | 东营市金亿来石油机械有限公司 | Stable and durable packer |
| CN111395989A (en) * | 2020-04-30 | 2020-07-10 | 大庆昊运橡胶制品有限公司 | Core-pulling-free large-channel high-temperature high-pressure fracturing expansion type rubber cylinder packing tool |
| CN111852383A (en) * | 2020-07-21 | 2020-10-30 | 肖云东 | Oil field downhole tool packer |
| CN211874442U (en) * | 2019-12-18 | 2020-11-06 | 罗宝营 | Lifting, pressurizing and unsetting expansion type packer |
| CN111963098A (en) * | 2020-08-28 | 2020-11-20 | 大庆华油石油科技开发有限公司 | Compression packer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2835545Y (en) * | 2005-07-04 | 2006-11-08 | 徐建 | Reclaimable bridge plug |
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2021
- 2021-02-23 CN CN202110198707.8A patent/CN112780216B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204327035U (en) * | 2014-09-25 | 2015-05-13 | 中国石油化工股份有限公司 | A kind of pressure break high pressure resistant packer |
| CN204591204U (en) * | 2015-04-08 | 2015-08-26 | 阜新市石油工具厂 | The protection mechanism of Inflatable type packer rubber sleeve and use its packing element and packer |
| CN206530312U (en) * | 2017-03-08 | 2017-09-29 | 阜新驰宇石油机械有限公司 | A kind of inflatable packer |
| CN207436997U (en) * | 2017-11-15 | 2018-06-01 | 盐城市佳鑫石化机械制造有限公司 | A kind of inflatable packer |
| CN210068064U (en) * | 2019-06-02 | 2020-02-14 | 东营市金亿来石油机械有限公司 | Stable and durable packer |
| CN211874442U (en) * | 2019-12-18 | 2020-11-06 | 罗宝营 | Lifting, pressurizing and unsetting expansion type packer |
| CN111395989A (en) * | 2020-04-30 | 2020-07-10 | 大庆昊运橡胶制品有限公司 | Core-pulling-free large-channel high-temperature high-pressure fracturing expansion type rubber cylinder packing tool |
| CN111852383A (en) * | 2020-07-21 | 2020-10-30 | 肖云东 | Oil field downhole tool packer |
| CN111963098A (en) * | 2020-08-28 | 2020-11-20 | 大庆华油石油科技开发有限公司 | Compression packer |
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| CN112780216A (en) | 2021-05-11 |
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