CN104847304B - bridge plug setting tool - Google Patents
bridge plug setting tool Download PDFInfo
- Publication number
- CN104847304B CN104847304B CN201510252294.1A CN201510252294A CN104847304B CN 104847304 B CN104847304 B CN 104847304B CN 201510252294 A CN201510252294 A CN 201510252294A CN 104847304 B CN104847304 B CN 104847304B
- Authority
- CN
- China
- Prior art keywords
- outer tube
- central canal
- fixedly connected
- bridging plug
- setting tool
- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 2
- 239000003721 gunpowder Substances 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
- E21B33/134—Bridging plugs
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Actuator (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a bridge plug setting tool. A left end of a pulling rod is fixedly connected with a centre tube, a pushing barrel is sleeved outside the outer wall of the right end of an outer barrel, and the pushing barrel is fixed with the outer barrel through a shearing pin; the outer barrel is sleeved outside the centre tube and is fixedly connected with the centre tube, two ends of the outer barrel and the centre tube are sealed, preset gap is formed between the outer barrel and the centre tube, and at least one liquid inlet is formed in the tube wall of the centre tube; a cylinder barrel is sleeved outside the outer barrel in a sliding mode for forming the sealing state with the outer wall of the outer barrel, a piston is sleeved outside the outer barrel in the cylinder barrel and is fixedly connected with the outer barrel, and pressure transferring holes are correspondingly formed in the outer barrel and each hydraulic cylinder; a sliding switch is mounted in the centre tube in a sliding mode along the axial direction, and a driving device is fixedly connected with the centre tube. The bridge plug setting tool needs no gunpowder as the power, shaft bottom hydraulic pressure is adopted for pushing the tool for setting bridge plug, the structure is simple, the cost is low and the driving force is strong.
Description
Technical field
The present invention relates to oil drilling equipment field, in particular to a kind of bridging plug setting tool.
Background technology
In formation testing sealing, card layer or fracturing process, it is often necessary to realized to perforation or pressure using bridging plug under cable
Split the closure of well section.At present, the gases at high pressure that mainly powder burning is produced of setting tool are driven, because priming system belongs to danger
Dangerous QC reason, the examination and approval procedures of needs are loaded down with trivial details and when bottom pressure is high, and the thrust of conventional setting tool is not enough, easily causes
Bridging plug setting force is not enough and affect to set the problem of effect.
The content of the invention
The technical problem to be solved is, there is provided a kind of higher bridging plug setting tool of motive force.
Therefore, technical scheme is as follows：
A kind of bridging plug setting tool, including outer tube, central canal, pushing cylinder, pull bar, slide switches, driving means and at least one
Individual hydraulic cylinder, wherein：
The left end of the pull bar is fixedly connected with the central canal, right-hand member is used to be connected bridging plug central canal, the pushing cylinder set
Bridging plug outer tube is promoted when on the outer wall of the right-hand member of the outer tube, for moving right, is led between the pushing cylinder and the outer tube
Cross one and cut off fixation；
The outer sleeve is outer in the central canal and is fixedly connected and in two ends and the central, tubular in the central canal
Into sealing, default space is left between the outer tube and the central canal, the tube wall of the central canal is provided with least one
Inlet opening；
The hydraulic cylinder includes cylinder barrel and piston, the cylinder barrel be slidably set on the outer tube and with the outer tube
Outer wall between form sealing, the piston is set on the outer tube and is fixedly connected with the outer tube in the cylinder barrel,
And sealing is respectively formed between the piston and the outer tube, between the piston and the cylinder barrel, with each on the outer tube
The hydraulic cylinder is correspondingly arranged in a pressure transmission hole, the central canal by the inlet opening, the space and the pressure transmission
Chamber in hole and each described hydraulic cylinder on the right side of piston, the hydraulic cylinder is used to enter described in fashionable promotion in highly pressurised liquid
Pushing cylinder is moved right；
The slide switches coordinate in which can slide axially in the central canal and with the inwall of the central canal
Sealing is formed, the driving means are fixedly connected with the central canal, the driving means are used to drive the slide switches to slide
Move so as to open or block the inlet opening.
In the technical scheme, power is done without using gunpowder, by shaft bottom hydraulic drive instrument bridging plug, structure letter are set
Single, with low cost, motive force is strong.
Preferably, the quantity of the hydraulic cylinder is multiple, is arranged in order on the left of the pushing cylinder, and motive force is higher.
Preferably, the left end of the pull bar is stretched into and is threaded connection with the inwall of the central canal in the central canal.
Preferably, it is threaded connection between the outer tube and the central canal.
Preferably, the driving means are motor, and control is more convenient.
Specifically, the output shaft of the motor is stretched in the slide switches and connected by screw thread with the slide switches
Connect, at least one pilot hole is also provided with the slide switches, with pilot hole each described an axis of guide, institute are correspondingly arranged on
The one end for stating the axis of guide is stretched in corresponding pilot hole, the other end is fixedly connected with the motor.
Description of the drawings
Fig. 1 is the structural representation of bridging plug setting tool according to embodiments of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description.It should be noted that not
In the case of conflict, the feature in embodiments herein and embodiment can be mutually combined.
As shown in figure 1, bridging plug setting tool according to an embodiment of the invention, including outer tube 5, central canal 4, pushing cylinder 16,
Pull bar 14, slide switches 13, driving means and at least one hydraulic cylinder, wherein：
The left end of the pull bar 14 is fixedly connected with the central canal 4, right-hand member is used to be connected bridging plug central canal, the pushing cylinder
16 promote bridging plug outer tube, the pushing cylinder 16 and the outer tube when being enclosed within the outer wall of the right-hand member of the outer tube 5, for moving right
17 fixations are cut off between 5 by one；
The outer tube 5 is enclosed within outside the central canal 4 and is fixedly connected and in two ends and the central canal in the central canal 4
4 form sealing, leave default space between the outer tube 5 and the central canal 4, the tube wall of the central canal 4 be provided with to
A few inlet opening 10；
The hydraulic cylinder includes cylinder barrel 6 and piston 7, the cylinder barrel 6 be slidably set on the outer tube 5 and with it is described
Form sealing between the outer wall of outer tube 5, the piston 7 be set on the outer tube 5 in the cylinder barrel 5 and with the outer tube 5
It is fixedly connected, and sealing is respectively formed between the piston 7 and the outer tube 5, between the piston 7 and the cylinder barrel 5, described
Be correspondingly arranged on hydraulic cylinder each described on outer tube 5 in a pressure transmission hole 11, the central canal 4 by the inlet opening 10,
The chamber on the right side of piston 7 in the space and the pressure transmission hole 11 and each described hydraulic cylinder, the hydraulic cylinder is used for
Highly pressurised liquid enters the fashionable promotion pushing cylinder 16 and moves right；
The slide switches 12 can slide axially in the central canal 4 and with the inwall of the central canal 4
Sealing is cooperatively formed, the driving means are fixedly connected with the central canal 4, the driving means are used to drive the slip to open
Close 12 to slide so as to open or block the inlet opening 10.
, wherein it is desired to illustrate, described space is not shown in FIG.
In the technical scheme, power is done without using gunpowder, by shaft bottom hydraulic drive instrument bridging plug, structure letter are set
Single, with low cost, motive force is strong.
Preferably, the quantity of the hydraulic cylinder is multiple, is arranged in order in the left side of the pushing cylinder 16, and motive force is higher.
Preferably, the left end of the pull bar 14 is stretched in the central canal 4 and connected by screw thread with the inwall of the central canal 4
Connect.
Preferably, it is threaded connection between the outer tube 5 and the central canal 4.
Preferably, the driving means are motor 2, and control is more convenient.
Specifically, the output shaft 12 of the motor 2 is stretched into and passed through with the slide switches 13 in the slide switches 13
Threaded connection, is also provided with least one pilot hole on the slide switches 13, with pilot hole each described one is correspondingly arranged on
The axis of guide 18, one end of the axis of guide 18 is stretched in corresponding pilot hole, the other end is fixedly connected with the motor 2.
Bridging plug setting tool in the present invention, after assembling under surface condition, bridging plug central canal setting tool is connected to
The lower end of pull bar 14, allow pushing cylinder 17 to contact with bridging plug outer tube, land cable and the end 1 of connection conveying bridging plug, and do waterproof
Process, then tool string G.I.H.Because instrument is assembled on ground, the two chambers of the both sides of piston 7 ----vacuum chamber 15
All it is ground air pressure with the pressure of sap cavity 8, without pressure reduction, instrument does not occur action.Instrument reaches and runs into behind position, and ground adds
Electricity, setting tool starts action.
First motor 2 is driven, and by the screw thread between output shaft 12 and slide switches 13, the power transformation for rotating is in line
Mobile power, slide switches 13 to motor drive direction is moved, until the seal failure to inlet opening 10, the high-pressure fluid entrance in shaft bottom
Inlet opening 10, space between central canal 4 and outer tube 5, through pressure transmission hole 11 enters sap cavity 8 again.Due to the pressure in shaft bottom
More than ground air pressure, in the case where pressure reduction is promoted, cylinder barrel 6 (including cylinder cap 9) moves right along outer tube 5, and promotes pushing cylinder 16,
After cutting off shear pin 17, continue to press on bridging plug and set up to bridging plug, and break the releasing device on bridging plug top, entirely set action complete
Into.
In sum, present disclosure is not limited in the above embodiments, and those skilled in the art can be
Propose other embodiments within the technological guidance's thought of the present invention, but this embodiment be included in the scope of the present invention it
It is interior.
Claims (6)
1. a kind of bridging plug setting tool, it is characterised in that including outer tube (5), central canal (4), pushing cylinder (16), pull bar (14), sliding
Dynamic switch (13), driving means and at least one hydraulic cylinder, wherein：
The left end of the pull bar (14) is fixedly connected with the central canal (4), right-hand member is used to be connected bridging plug central canal, the pushing cylinder
(16) bridging plug outer tube, the pushing cylinder (16) and institute are promoted when being enclosed within the outer wall of the right-hand member of the outer tube (5), for moving right
State and cut off (17) fixation by one between outer tube (5)；
The outer tube (5) is enclosed within the central canal (4) outward and is fixedly connected and at two ends and the center in the central canal (4)
Pipe (4) forms sealing, and default space, the pipe of the central canal (4) are left between the outer tube (5) and the central canal (4)
Wall is provided with least one inlet opening (10)；
The hydraulic cylinder includes cylinder barrel (6) and piston (7), the cylinder barrel (6) be slidably set on the outer tube (5) and with
Sealing is formed between the outer wall of the outer tube (5), the piston (7) is set on the outer tube (5) simultaneously in the outer tube (5)
Be fixedly connected with the outer tube (5), and between the piston (7) and the outer tube (5), the piston (7) and the outer tube (5)
Between be respectively formed sealing, be correspondingly arranged on hydraulic cylinder each described a pressure transmission hole (11) on the outer tube (5), it is described in
By the inlet opening (10), the space and the pressure transmission hole (11) and piston (7) in each described hydraulic cylinder in heart pipe (4)
The chamber on right side, the hydraulic cylinder is moved right for entering the fashionable promotion pushing cylinder (16) in highly pressurised liquid；
The slide switches (13) are slidably mounted axially in the central canal (4) and interior with the central canal (4)
Wall cooperatively forms sealing, and the driving means are fixedly connected with the central canal (4), and the driving means are used to drive the cunning
Dynamic switch (13) is slided so as to open or block the inlet opening (10).
2. bridging plug setting tool according to claim 1, it is characterised in that the quantity of the hydraulic cylinder is multiple, in institute
State and be arranged in order on the left of pushing cylinder (16).
3. bridging plug setting tool according to claim 1, it is characterised in that the left end of the pull bar (14) stretch into it is described in
It is threaded connection with the inwall of the central canal (4) in heart pipe (4).
4. bridging plug setting tool according to claim 1, it is characterised in that the outer tube (5) and the central canal (4) it
Between be threaded connection.
5. bridging plug setting tool according to any one of claim 1 to 4, it is characterised in that the driving means are electricity
Machine (2).
6. bridging plug setting tool according to claim 5, it is characterised in that the output shaft (12) of the motor (2) is stretched into
It is threaded connection with the slide switches (13) in the slide switches (13), is also provided with least on the slide switches (13)
One pilot hole, with pilot hole each described an axis of guide (18) is correspondingly arranged on, and one end of the axis of guide (18) is stretched into
Corresponding pilot hole is interior, the other end is fixedly connected with the motor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510252294.1A CN104847304B (en) | 2015-05-18 | 2015-05-18 | bridge plug setting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510252294.1A CN104847304B (en) | 2015-05-18 | 2015-05-18 | bridge plug setting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104847304A CN104847304A (en) | 2015-08-19 |
| CN104847304B true CN104847304B (en) | 2017-04-12 |
Family
ID=53847231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510252294.1A Active CN104847304B (en) | 2015-05-18 | 2015-05-18 | bridge plug setting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104847304B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761547B (en) * | 2016-12-13 | 2023-04-18 | 中国石油天然气集团有限公司 | Novel underground electric control power switch |
| CN106761540B (en) * | 2017-01-04 | 2022-11-01 | 廊坊开发区森德石油设备有限公司 | Random position bidirectional setting bridge plug |
| CN109763784B (en) * | 2017-11-09 | 2021-08-13 | 中国石油化工股份有限公司 | Split bridge plug hydraulic setting tool and setting method thereof |
| CN109838216A (en) * | 2017-11-29 | 2019-06-04 | 江苏科技大学 | Electric hydaulic reinforcement setting tool for bridge plug |
| US20210108475A1 (en) * | 2018-02-23 | 2021-04-15 | Hunting Titan, Inc. | Impact Resistant Material in Setting Tool |
| CN108756811B (en) * | 2018-06-12 | 2020-07-31 | 中国石油集团渤海钻探工程有限公司 | Constant pressure start time-delay tapping valve |
| CN108979588B (en) * | 2018-07-26 | 2021-10-29 | 中国石油天然气股份有限公司 | Bidirectional setting device for indoor inspection of downhole tool |
| CN110905429B (en) * | 2019-11-18 | 2020-09-11 | 川南航天能源科技有限公司 | Automatic pressure relief balanced type setting tool and setting method thereof |
| CN111608611B (en) * | 2020-06-09 | 2023-10-13 | 中国石油天然气集团有限公司 | Large-diameter bridge plug capable of realizing single-upper-seal fracturing and method |
Citations (7)
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|---|---|---|---|---|
| US5447202A (en) * | 1992-10-01 | 1995-09-05 | Petroleum Engineering Services, Ltd. | Setting tool and related method |
| CN202031532U (en) * | 2011-04-25 | 2011-11-09 | 王丽莉 | Bridge plug feeder |
| CN202611657U (en) * | 2012-06-08 | 2012-12-19 | 中国石油天然气股份有限公司青海油田分公司 | Specific bridge plug delivery device for operation under pressure |
| CN102966328A (en) * | 2012-11-25 | 2013-03-13 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Novel electro-hydraulic integral bridge plug release tool |
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Family Cites Families (1)
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|---|---|---|---|---|
| US8534367B2 (en) * | 2010-04-23 | 2013-09-17 | James V. Carisella | Wireline pressure setting tool and method of use |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104847304A (en) | 2015-08-19 |
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Effective date of registration: 20210826 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: 300457 Tianjin Binhai New Area Development Zone Huanghai Road 106 Bohai Drilling Engineering Co., Ltd. science and Technology Development Office Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |