CN112096340A - Integrated extrusion-sealed pipe column - Google Patents
Integrated extrusion-sealed pipe column Download PDFInfo
- Publication number
- CN112096340A CN112096340A CN202011036614.7A CN202011036614A CN112096340A CN 112096340 A CN112096340 A CN 112096340A CN 202011036614 A CN202011036614 A CN 202011036614A CN 112096340 A CN112096340 A CN 112096340A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- sealing
- pipe
- deblocking
- switch
- 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.)
- Pending
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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
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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
-
- 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
- E21B33/129—Packers; Plugs with mechanical slips for hooking into the casing
Abstract
The integrated extrusion-sealed pipe column comprises a bidirectional slip sealing structure, a sliding sleeve lifting type mechanical switch structure, a hydraulic setting structure, a sealing self-locking structure, an impurity preventing structure, a non-unsealing positive and reverse circulation well washing structure instead of a liquid washing structure, a lifting unsealing structure, a releasing structure and the like. The integrated extrusion pipe column is pressed by throwing a ball to push a hydraulic setting structure, so that a bidirectional slip sealing structure is opened, a sleeve is locked, and a tool anchoring sleeve is realized; continuously pressing and compressing the integrated extrusion-sealing tubular column rubber sleeve to enable the rubber sleeve to be tightly attached to the sleeve to realize sealing, and simultaneously, starting a sealing self-locking structure to ensure that the pressure-relief rubber sleeve is still in a sealing state; and (5) continuing pressing, releasing the seat sealing ball seat, and opening the squeezing and blocking channel. And lifting the pipe column to realize the integrated unsealing of the extruded pipe column. If the integrated extrusion-sealed tubular column needs to be left in the well, the releasing structure is started through ball throwing and pressing, and the integrated extrusion-sealed tubular column releasing is realized.
Description
Technical Field
The invention relates to an integrated extrusion sealing pipe column, which belongs to the technical field of oil exploitation industry and is used for well sealing operation, acidification, chemical plugging and cement plug drilling operation of a waste well.
Background
At present, the plugging of old wells is the key for ensuring the sealing integrity of oil and gas reservoirs, and special plugging agents are usually adopted for treating a shaft, a channeling passage, a sleeve and a cover layer section. The existing tool for plugging the old well needs to be used for two times of pipe columns in site construction, so that the corresponding construction requirements can be met by one time of pipe column in order to better serve for plugging construction of the old well, and an integrated extruding and sealing pipe column is researched, developed and designed according to requirements.
Disclosure of Invention
The invention aims to provide an integrated squeezing and sealing tubular column which comprises a bidirectional slip sealing structure, a sliding sleeve lifting type mechanical switch structure, a hydraulic setting structure, a sealing self-locking structure, an impurity preventing structure, a positive and reverse circulation alternate liquid well washing structure without unsealing, an uplifting and unsealing structure, a releasing structure and the like.
The integrated extrusion pipe column is pressed by throwing a ball to push a hydraulic setting structure, so that a bidirectional slip sealing structure is opened, a sleeve is locked, and a tool anchoring sleeve is realized; continuously pressurizing and compressing the integrated extrusion-sealing tubular column rubber sleeve to enable the rubber sleeve to be tightly attached to the sleeve to realize sealing, and simultaneously starting a sealing self-locking structure to ensure that the rubber sleeve is still in a sealing state when pressure is relieved; and (5) continuing pressing, releasing the seat sealing ball seat, and opening the squeezing and blocking channel.
Lifting the pipe column, starting a sliding sleeve lifting type mechanical switch structure, closing a squeezing channel, and opening a positive and negative circulation alternate liquid washing well structure without unsealing; and continuously lifting the pipe column, and shearing the deblocking shear pin to realize integrated deblocking of the extruded pipe column.
If the integrated extrusion-sealed tubular column needs to be left in the well, the releasing structure is started through ball throwing and pressing, and the integrated extrusion-sealed tubular column releasing is realized.
In order to achieve the purpose, the invention adopts the technical scheme that: an integrated squeezing and sealing tubular column is characterized by comprising a bidirectional slip sealing structure, a sliding sleeve lifting type mechanical switch structure, a hydraulic setting structure, a sealing self-locking structure, an impurity preventing structure, a positive and reverse circulation liquid-replacing well washing structure without unsealing, a releasing structure and the like.
The integrated extrusion sealing pipe column realizes that the pipe column completes setting, pipe inserting, extrusion sealing, unsealing or releasing construction operation once;
the slips of the integrated extrusion sealing pipe column are designed by a bidirectional slip sealing structure, and consist of a slip sleeve and slips, so that bidirectional anchoring force is provided for the tool after the tool is set and sealed underground;
the closing of the squeezing and blocking channel is realized through a sliding sleeve lifting type mechanical switch structure and comprises a switch main body, a switch lifting and hanging pipe, a claw type switch seat, a deblocking bottom support, an O-shaped sealing ring and a deblocking and losing hand rod, the deblocking and losing hand rod is pulled off through lifting, and the claw type switch seat is driven to move upwards through the switch lifting and hanging pipe, so that the switch main body is sealed;
the setting process is realized by a hydraulic setting structure and a sealing self-locking structure and consists of a deblocking sleeve, a setting sealing ring sleeve, a deblocking locking block, a deblocking piston, a setting locking ring, a central pipe, an injection pipe, a setting piston ring sleeve, a deblocking cap, a protective sleeve, a cone, a slip sleeve, a slip, a rubber sleeve protective bowl, a rubber sleeve, a spacer ring, a setting sealing ball seat, a steel ball, a switch main body and a switch hanging pipe;
the anti-jamming design is an anti-sundry structure and consists of a protective sleeve, a cone, a slip sleeve and a slip;
the non-unsealing positive and negative circulation well-washing structure with the liquid replaced is designed according to the site construction requirements and comprises an unsealing sleeve, a seat sealing ring sleeve, an unsealing locking block, an unsealing piston, a seat sealing locking ring, a central pipe, an injection pipe, a seat sealing piston locking ring sleeve, a switch main body and a switch lifting and hanging pipe;
the device is provided with a lifting deblocking structure for deblocking operation and comprises an upper connector, a valve body, a valve core, a deblocking sleeve, a locking claw, a deblocking lifting pipe connector, a seat sealing ring sleeve, a deblocking locking block, a deblocking piston, a seat sealing locking ring, a central pipe, an injection pipe, a seat sealing piston ring sleeve, a deblocking cap, a cone, a slip sleeve, a slip, a rubber cylinder protective bowl, a rubber cylinder, a spacer ring, a switch main body, a switch lifting pipe and a claw type switch seat;
the design has the structure of giving up to realize giving up the operation, by top connection, valve body, case, unblock lock sleeve pipe, lock claw, sliding sleeve core, steel ball constitution.
Drawings
FIG. 1 is a view showing the structure of an integrated extrusion column. In the figure: 1-upper joint; 2-a valve body; 3-a valve core; 4-unlocking the locking sleeve; 5-locking the claw; 6-a sliding sleeve core; 7-steel ball; 10-unsealing the lifting pipe joint; 13-seat sealing ring sleeve; 14-deblocking the locking block; 15-unsealing the piston; 17-seating a piston; 18-seating a lock ring; 19-a central tube; 20-an injection pipe; 22-seating a piston lock ring sleeve; 27-unsealing the cap; 28-a protective sheath; 29-cone; 30-slip cover; 31-slips; 33-rubber cylinder protecting bowl; 34-a rubber cylinder; 35-spacer ring; 36-setting the ball seat; 37-steel ball; 39-a switch body; 40-switching a lifting pipe; 41-claw type switch base; 44-unsealing the collet; a 45-O type seal ring; 46-release the lost handle.
Figure 2 is a diagram of a bi-directional slip seal. In the figure: 30-slip cover; 31-slips.
Fig. 3 is a structure diagram of a sliding sleeve lifting type mechanical switch. In the figure: 39-a switch body; 40-switching a lifting pipe; 41-claw type switch base; 44-unsealing the collet; 45-0 type sealing ring; 46-release the lost handle.
Fig. 4 is a structure diagram of a hydraulic setting structure and a sealing self-locking structure. In the figure: 4-unlocking the locking sleeve; 13-seat sealing ring sleeve; 14-deblocking the locking block; 15-unsealing the piston; 17-seating a piston; 18-seating a lock ring; 19-a central tube; 20-an injection pipe; 22-seating a piston lock ring sleeve; 27-unsealing the cap; 28-a protective sheath; 29-cone; 30-slip cover; 31-slips; 33-rubber cylinder protecting bowl; 34-a rubber cylinder; 35-spacer ring; 36-setting the ball seat; 37-steel ball; 39-a switch body; and 40-switching the lifting pipe.
Fig. 5 is a structure view of the sundries prevention. In the figure: 28-a protective sheath; 29-cone; 30-slip cover; 31-slips.
FIG. 6 is a schematic diagram of an unsealed positive and negative circulation alternate fluid well wash. In the figure: 4-unlocking the locking sleeve; 13-seat sealing ring sleeve; 14-deblocking the locking block; 15-unsealing the piston; 17-seating a piston; 18-seating a lock ring; 19-a central tube; 20-an injection pipe; 22-seating a piston lock ring sleeve; 39-a switch body; and 40-switching the lifting pipe.
Fig. 7 is a diagram of a structure of the lifting unsealing. In the figure: 1-upper joint; 2-a valve body; 3-a valve core; 4-unlocking the locking sleeve; 5-locking the claw; 13-seat sealing ring sleeve; 14-deblocking the locking block; 15-unsealing the piston; 17-seating a piston; 18-seating a lock ring; 19-a central tube; 20-an injection pipe; 22-seating a piston lock ring sleeve; 27-unsealing the cap; 29-cone; 30-slip cover; 31-slips; 33-rubber cylinder protecting bowl; 34-a rubber cylinder; 35-spacer ring; 39-a switch body; and 40-switching the lifting pipe.
Fig. 8 is a block diagram of a release. In the figure: 1-upper joint; 2-a valve body; 3-a valve core; 4-unlocking the locking sleeve; 5-locking the claw; 6-a sliding sleeve core; and 7, steel balls.
Detailed Description
The structure and operation of the present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the integrated extrusion-sealing pipe column is characterized by comprising a bidirectional slip sealing structure, a sliding sleeve lifting type mechanical switch structure, a hydraulic setting structure, a sealing self-locking structure, an impurity prevention structure, a positive and reverse circulation-free liquid-replacement well washing structure, a releasing structure and the like. An upper joint (1); a valve body (2); a valve core (3); an unlocking sleeve (4); a locking claw (5); a sliding sleeve core (6); a steel ball (7); unsealing the lifting pipe joint (10); a seat locking collar (13); an unlocking block (14); an unsealing piston (15); a seating piston (17); a seat seal lock ring (18); a central tube (19); an injection pipe (20); a seating piston lock ring sleeve (22); an unsealing cap (27); a protective sleeve (28); a cone (29); a slip cover (30); slips (31); a rubber cylinder protective bowl (33); a glue cartridge (34); a spacer ring (35); a seating ball seat (36); a steel ball (37); a switch main body (39); a switch hanging tube (40); a claw switch base (41); a deblocking collet (44); an O-ring (45); and a release handle (46).
Referring to fig. 2, the slips of the integrated squeeze-sealing pipe column are designed in a bidirectional slip sealing structure, and are composed of slip sleeves (30) and slips (31) to provide bidirectional anchoring force for the tool after the tool is set in the well.
Referring to fig. 3, the closing of the squeezing channel is realized by a sliding sleeve lifting type mechanical switch structure, and the squeezing channel is composed of a switch main body (39); a switch hanging tube (40); a claw switch base (41); a deblocking collet (44); an O-ring (45); deblocking and missing hand lever (46) is formed, the deblocking and missing hand lever (46) is pulled off through lifting, the claw type switch seat (41) is driven to move upwards through the switch hanging tube (40), and sealing of the switch main body (39) is achieved.
Referring to fig. 4, the setting process is realized by using a hydraulic setting structure and a sealing self-locking structure, and is realized by an unlocking sleeve (4); a seat locking collar (13); an unlocking block (14); an unsealing piston (15); a seating piston (17); a seat seal lock ring (18); a central tube (19); an injection pipe (20); a seating piston lock ring sleeve (22); an unsealing cap (27); a protective sleeve (28); a cone (29); a slip cover (30); slips (31); a rubber cylinder protective bowl (33); a glue cartridge (34); a spacer ring (35); a seating ball seat (36); a steel ball (37); a switch main body (39); a switch lifting pipe (40).
Referring to fig. 5, the anti-jamming design is an anti-sundry structure consisting of a protective sleeve (28); a cone (29); a slip cover (30); slips (31);
referring to fig. 6, the structure of the non-unsealing positive and negative circulation alternate liquid well washing is designed according to the site construction requirements, and the well is formed by an unsealing casing (4); a seat locking collar (13); an unlocking block (14); an unsealing piston (15); a seating piston (17); a seat seal lock ring (18); a central tube (19); an injection pipe (20); a seating piston lock ring sleeve (22); a switch main body (39); a switch lifting pipe (40).
Referring to fig. 7, the design has a lifting-up deblocking structure to implement deblocking operation, which is implemented by an upper connector (1); a valve body (2); a valve core (3); an unlocking sleeve (4); a locking claw (5); a seat locking collar (13); an unlocking block (14); an unsealing piston (15); a seating piston (17); a seat seal lock ring (18); a central tube (19); an injection pipe (20); a seating piston lock ring sleeve (22); an unsealing cap (27); a cone (29); a slip cover (30); slips (31); a rubber cylinder protective bowl (33); a glue cartridge (34); a spacer ring (35); a switch main body (39); a switch lifting pipe (40);
referring to fig. 8, the design has a releasing structure to realize releasing operation, and the releasing structure is composed of an upper joint (1); a valve body (2); a valve core (3); an unlocking sleeve (4); a locking claw (5); a sliding sleeve core (6); a steel ball (7).
As shown in fig. 1, the integrated extrusion-sealed pipe column is pressed by throwing a ball to push a hydraulic setting structure, so that a bidirectional slip sealing structure is opened, a sleeve is locked, and a tool anchoring sleeve is realized; continuously pressurizing and compressing the integrated extrusion-sealing tubular column rubber sleeve to enable the rubber sleeve to be tightly attached to the sleeve to realize sealing, and simultaneously starting a sealing self-locking structure to ensure that the rubber sleeve is still in a sealing state when pressure is relieved; and (5) continuing pressing, releasing the seat sealing ball seat, and opening the squeezing and blocking channel.
Lifting the pipe column, starting a sliding sleeve lifting type mechanical switch structure, closing a squeezing channel, and opening a positive and negative circulation alternate liquid washing well structure without unsealing; and continuously lifting the pipe column, and shearing the deblocking shear pin to realize integrated deblocking of the extruded pipe column.
If the integrated extrusion-sealed tubular column needs to be left in the well, the releasing structure is started through ball throwing and pressing, and the integrated extrusion-sealed tubular column releasing is realized.
Claims (9)
1. An integrated squeezing and sealing tubular column is characterized by comprising a bidirectional slip sealing structure, a sliding sleeve lifting type mechanical switch structure, a hydraulic setting structure, a sealing self-locking structure, an impurity preventing structure, a positive and reverse circulation liquid-replacing well washing structure without unsealing, a releasing structure and the like.
2. The integrated squeeze-sealed pipe column according to claim 1, wherein: the integrated extrusion sealing pipe column realizes that the pipe column completes setting, pipe inserting, extrusion sealing, unsealing or releasing construction operation in one time.
3. The integrated squeeze-sealed pipe column according to claim 1, wherein: the slips of the integrated squeezing sealing pipe column are designed in a bidirectional slip sealing structure and are composed of slip sleeves and slips, and bidirectional anchoring force is provided for tools after underground setting.
4. The integrated squeeze-sealed pipe column according to claim 1, wherein: close of crowded stifled passageway carries hanging type mechanical switch structure through the sliding sleeve and realizes, carries by switch main part, switch and hangs pipe, claw formula switch seat, deblocking collet, O type sealing washer, deblocking and lose the handle bar and constitute, through last snapping deblocking and losing the handle bar, carries the pipe through the switch and drives claw formula switch seat and upwards remove, realizes sealing to the switch main part.
5. The integrated squeeze-sealed pipe column according to claim 1, wherein: the setting process is realized by utilizing a hydraulic setting structure and a sealing self-locking structure and comprises a deblocking lock sleeve, a setting lock ring sleeve, a deblocking lock block, a deblocking piston, a setting lock ring, a central pipe, an injection pipe, a setting piston lock ring sleeve, a deblocking cap, a protective sleeve, a cone, a slip sleeve, a slip, a rubber sleeve protective bowl, a rubber sleeve, a spacer ring, a setting ball seat, a steel ball, a switch main body and a switch hanging pipe.
6. The integrated squeeze-sealed pipe column according to claim 1, wherein: the anti-jamming structure is designed and consists of a protective sleeve, a cone, a slip sleeve and a slip.
7. The integrated squeeze-sealed pipe column according to claim 1, wherein: the non-unsealing positive and negative circulation well-washing structure with the liquid replaced is designed according to the site construction requirements and comprises an unsealing sleeve, a seat sealing ring sleeve, an unsealing locking block, an unsealing piston, a seat sealing locking ring, a central pipe, an injection pipe, a seat sealing piston locking ring sleeve, a switch main body and a switch lifting and hanging pipe.
8. The integrated squeeze-sealed pipe column according to claim 1, wherein: the sealing device is provided with a lifting deblocking structure to realize deblocking operation and comprises an upper connector, a valve body, a valve core, a deblocking lock sleeve, a lock claw, a deblocking lifting pipe connector, a seat sealing ring sleeve, a deblocking lock block, a deblocking piston, a seat sealing lock ring, a central pipe, an injection pipe, a seat sealing piston lock ring sleeve, a deblocking cap, a cone, a slip sleeve, a slip, a rubber cylinder protective bowl, a rubber cylinder, a spacer ring, a switch main body, a switch lifting pipe and a claw type switch seat.
9. The integrated squeeze-sealed pipe column according to claim 1, wherein: the design has the structure of giving up to realize giving up the operation, by top connection, valve body, case, unblock lock sleeve pipe, lock claw, sliding sleeve core, steel ball constitution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011036614.7A CN112096340A (en) | 2020-09-27 | 2020-09-27 | Integrated extrusion-sealed pipe column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011036614.7A CN112096340A (en) | 2020-09-27 | 2020-09-27 | Integrated extrusion-sealed pipe column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112096340A true CN112096340A (en) | 2020-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011036614.7A Pending CN112096340A (en) | 2020-09-27 | 2020-09-27 | Integrated extrusion-sealed pipe column |
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| Country | Link |
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| CN (1) | CN112096340A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201424934Y (en) * | 2009-06-08 | 2010-03-17 | 辽河石油勘探局 | Hydraulic releasing cement squeezing tool |
| CN103850663A (en) * | 2012-11-29 | 2014-06-11 | 阜宁县宏达石化机械有限公司 | Extractable type integrated setting and ash-extruding bridge plug |
| CN207776833U (en) * | 2017-10-26 | 2018-08-28 | 陕西鼎和源瑞环境工程有限公司 | A kind of multifunctional squeezing ash bridge plug |
| US10280706B1 (en) * | 2018-08-31 | 2019-05-07 | Harvey Sharp, III | Hydraulic setting tool apparatus and method |
| CN211370316U (en) * | 2019-12-17 | 2020-08-28 | 盐城华睿通机械有限公司 | Safety joint convenient to release |
-
2020
- 2020-09-27 CN CN202011036614.7A patent/CN112096340A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201424934Y (en) * | 2009-06-08 | 2010-03-17 | 辽河石油勘探局 | Hydraulic releasing cement squeezing tool |
| CN103850663A (en) * | 2012-11-29 | 2014-06-11 | 阜宁县宏达石化机械有限公司 | Extractable type integrated setting and ash-extruding bridge plug |
| CN207776833U (en) * | 2017-10-26 | 2018-08-28 | 陕西鼎和源瑞环境工程有限公司 | A kind of multifunctional squeezing ash bridge plug |
| US10280706B1 (en) * | 2018-08-31 | 2019-05-07 | Harvey Sharp, III | Hydraulic setting tool apparatus and method |
| CN211370316U (en) * | 2019-12-17 | 2020-08-28 | 盐城华睿通机械有限公司 | Safety joint convenient to release |
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Application publication date: 20201218 |
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| WD01 | Invention patent application deemed withdrawn after publication |