CN104847304A - Bridge plug setting tool - Google Patents
Bridge plug setting tool Download PDFInfo
- Publication number
- CN104847304A CN104847304A CN201510252294.1A CN201510252294A CN104847304A CN 104847304 A CN104847304 A CN 104847304A CN 201510252294 A CN201510252294 A CN 201510252294A CN 104847304 A CN104847304 A CN 104847304A
- Authority
- CN
- China
- Prior art keywords
- central tube
- urceolus
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000001737 promoting effect Effects 0.000 claims description 6
- 239000003721 gunpowder Substances 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 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
- 239000013056 hazardous product Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 238000004078 waterproofing Methods 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)
- Surgical Instruments (AREA)
- Actuator (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, often need to use the shutoff that bridging plug under cable realizes perforation or fractured well section.At present, drive the gases at high pressure that the mainly powder burning of setting tool produces, because priming system belongs to hazardous material management, the examination and approval procedures of needs are loaded down with trivial details and when bottom pressure height, the thrust of conventional setting tool is not enough, easily causes bridging plug setting force not enough and affects the problem setting effect.
Summary of the invention
Technical problem to be solved by this invention is, provides the bridging plug setting tool that a kind of motive force is stronger.
Therefore, technical scheme of the present invention is as follows:
A kind of bridging plug setting tool, comprises urceolus, central tube, pushing cylinder, pull bar, slide switch, drive unit and at least one hydraulic cylinder, wherein:
The left end of described pull bar is fixedly connected with described central tube, right-hand member is for being connected bridging plug central tube, promoting bridging plug urceolus when described pushing cylinder is enclosed within the outer wall of the right-hand member of described urceolus, for moving right, cutting off by one fixing between described pushing cylinder and described urceolus;
It is outer and be fixedly connected with in described central tube and formed at two ends and described central tube and seal that described urceolus is enclosed within described central tube, and leave default space between described urceolus and described central tube, the tube wall of described central tube is provided with at least one inlet opening;
Described hydraulic cylinder comprises cylinder barrel and piston, described cylinder barrel to be set in slidably on described urceolus and and formed between the outer wall of described urceolus and seal, described piston to be set on described urceolus and to be fixedly connected with described urceolus in described cylinder barrel, and between described piston and described urceolus, all sealing is formed between described piston and described cylinder barrel, all with each described hydraulic cylinder on described urceolus be correspondingly provided with a pressure transmission hole, by described inlet opening in described central tube, chamber in described space and described pressure transmission hole and each described hydraulic cylinder on the right side of piston, described hydraulic cylinder is used for promoting described pushing cylinder when highly pressurised liquid enters and moves right,
Described slide switch can be arranged in described central tube and to coordinate to be formed with the inwall of described central tube and seal with sliding axially, described drive unit is fixedly connected with described central tube, and described drive unit slides for driving described slide switch thus opens or inlet opening described in shutoff.
In this technical scheme, without the need to using gunpowder to do power, rely on shaft bottom hydraulic drive instrument to set bridging plug, structure is simple, and with low cost, motive force is strong.
Preferably, the quantity of described hydraulic cylinder is multiple, and be arranged in order in the left side of described pushing cylinder, motive force is stronger.
Preferably, the left end of described pull bar stretches in described central tube and is threaded connection with the inwall of described central tube.
Preferably, be threaded connection between described urceolus and described central tube.
Preferably, described drive unit is motor, controls more convenient.
Specifically, the output shaft of described motor stretches in described slide switch and is threaded connection with described slide switch, described slide switch also has at least one pilot hole, correspondingly be provided with an axis of guide with each described pilot hole is equal, one end of the described axis of guide is stretched in corresponding pilot hole, the other end is fixedly connected with described motor.
Accompanying drawing explanation
Fig. 1 is the structural representation of the bridging plug setting tool according to the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
As shown in Figure 1, bridging plug setting tool according to an embodiment of the invention, comprises urceolus 5, central tube 4, pushing cylinder 16, pull bar 14, slide switch 13, drive unit and at least one hydraulic cylinder, wherein:
The left end of described pull bar 14 is fixedly connected with described central tube 4, right-hand member is for being connected bridging plug central tube, promoting bridging plug urceolus when described pushing cylinder 16 is enclosed within the outer wall of the right-hand member of described urceolus 5, for moving right, cutting off 17 by one between described pushing cylinder 16 and described urceolus 5 and fixing;
It is outer and be fixedly connected with in described central tube 4 and formed at two ends and described central tube 4 and seal that described urceolus 5 is enclosed within described central tube 4, leave default space between described urceolus 5 and described central tube 4, the tube wall of described central tube 4 is provided with at least one inlet opening 10;
Described hydraulic cylinder comprises cylinder barrel 6 and piston 7, described cylinder barrel 6 to be set in slidably on described urceolus 5 and and formed between the outer wall of described urceolus 5 and seal, described piston 7 to be set on described urceolus 5 and to be fixedly connected with described urceolus 5 in described cylinder barrel 5, and between described piston 7 and described urceolus 5, all sealing is formed between described piston 7 and described cylinder barrel 5, all with each described hydraulic cylinder on described urceolus 5 be correspondingly provided with a pressure transmission hole 11, by described inlet opening 10 in described central tube 4, chamber on the right side of described space and described pressure transmission hole 11 and piston 7 in each described hydraulic cylinder, described hydraulic cylinder is used for promoting described pushing cylinder 16 when highly pressurised liquid enters and moves right,
Described slide switch 12 can be arranged in described central tube 4 and to coordinate to be formed with the inwall of described central tube 4 and seal with sliding axially, described drive unit is fixedly connected with described central tube 4, and described drive unit is for driving described slide switch 12 to slide thus opening or inlet opening 10 described in shutoff.
Wherein, it should be noted that, described space is not shown in FIG.
In this technical scheme, without the need to using gunpowder to do power, rely on shaft bottom hydraulic drive instrument to set bridging plug, structure is simple, and with low cost, motive force is strong.
Preferably, the quantity of described hydraulic cylinder is multiple, and be arranged in order in the left side of described pushing cylinder 16, motive force is stronger.
Preferably, the left end of described pull bar 14 stretches in described central tube 4 and is threaded connection with the inwall of described central tube 4.
Preferably, be threaded connection between described urceolus 5 and described central tube 4.
Preferably, described drive unit is motor 2, controls more convenient.
Specifically, the output shaft 12 of described motor 2 stretches in described slide switch 13 and is threaded connection with described slide switch 13, described slide switch 13 also has at least one pilot hole, correspondingly be provided with an axis of guide 18 with each described pilot hole is equal, one end of the described axis of guide 18 is stretched in corresponding pilot hole, the other end is fixedly connected with described motor 2.
Bridging plug setting tool in the present invention, under ground condition after assembling, is connected to bridging plug central tube pull bar 14 lower end of setting tool, pushing cylinder 17 is allowed to contact with bridging plug urceolus, connect land cable and the cable head 1 of conveying bridging plug, and do waterproofing work, then tool string G.I.H.Because instrument is assembled on ground, two chambers of piston 7 both sides----vacuum chamber 15 and sap cavity 8 pressure are all ground air pressure, and do not have pressure reduction, instrument action does not occur.After instrument reaches and runs into position, ground powers up, and setting tool starts action.
First motor 2 transmission, by the screw thread between output shaft 12 and slide switch 13, the power of rotating is transformed into the power of rectilinear movement, slide switch 13 moves to motor drive direction, until the seal failure to inlet opening 10, the high-pressure fluid in shaft bottom enters inlet opening 10, the space between central tube 4 and urceolus 5, enters sap cavity 8 through pressure transmission hole 11 again.Pressure due to shaft bottom is greater than ground air pressure, under pressure reduction promotes, cylinder barrel 6 (comprising cylinder cap 9) moves right along urceolus 5, and promote pushing cylinder 16, after cutting off shear pin 17, continue to promote bridging plug until bridging plug sets, and break the releasing device on bridging plug top, wholely set action and complete.
In sum, content of the present invention is not limited in the above-described embodiment, and those skilled in the art can propose other embodiment within technological guidance's thought of the present invention, but this embodiment all comprises within the scope of the present invention.
Claims (6)
1. a bridging plug setting tool, it is characterized in that, comprise urceolus (5), central tube (4), pushing cylinder (16), pull bar (14), slide switch (13), drive unit and at least one hydraulic cylinder, wherein:
The left end of described pull bar (14) is fixedly connected with described central tube (4), right-hand member is for being connected bridging plug central tube, promoting bridging plug urceolus when described pushing cylinder (16) is enclosed within the outer wall of the right-hand member of described urceolus (5), for moving right, cutting off (17) by one between described pushing cylinder (16) and described urceolus (5) and fixing;
Described urceolus (5) is enclosed within described central tube (4) and is fixedly connected with and is formed at two ends and described central tube (4) outward and in described central tube (4) and seal, leave default space between described urceolus (5) and described central tube (4), the tube wall of described central tube (4) is provided with at least one inlet opening (10);
Described hydraulic cylinder comprises cylinder barrel (6) and piston (7), described cylinder barrel (6) be set in slidably described urceolus (5) upper and and formed between the outer wall of described urceolus (5) and seal, described piston (7) is set in described urceolus (5) and goes up and be fixedly connected with described urceolus (5) in described cylinder barrel (5), and between described piston (7) and described urceolus (5), all sealing is formed between described piston (7) and described cylinder barrel (5), all to each described hydraulic cylinder be correspondingly provided with a pressure transmission hole (11) described urceolus (5) is upper, by described inlet opening (10) in described central tube (4), the chamber on described space and described pressure transmission hole (11) and piston (7) right side in each described hydraulic cylinder, described hydraulic cylinder is used for promoting described pushing cylinder (16) when highly pressurised liquid enters and moves right,
Described slide switch (12) can be arranged in described central tube (4) and to coordinate to be formed with the inwall of described central tube (4) and seal with sliding axially, described drive unit is fixedly connected with described central tube (4), and described drive unit slides for driving described slide switch (12) thus opens or inlet opening described in shutoff (10).
2. bridging plug setting tool according to claim 1, is characterized in that, the quantity of described hydraulic cylinder is multiple, is arranged in order in the left side of described pushing cylinder (16).
3. bridging plug setting tool according to claim 1, is characterized in that, the left end of described pull bar (14) stretches in described central tube (4) and is threaded connection with the inwall of described central tube (4).
4. bridging plug setting tool according to claim 1, is characterized in that, is threaded connection between described urceolus (5) and described central tube (4).
5. bridging plug setting tool according to any one of claim 1 to 4, is characterized in that, described drive unit is motor (2).
6. bridging plug setting tool according to claim 5, it is characterized in that, the output shaft (12) of described motor (2) stretches in described slide switch (13) and is threaded connection with described slide switch (13), (13) also have at least one pilot hole with described slide switch, correspondingly be provided with an axis of guide (18) with each described pilot hole is equal, one end of the described axis of guide (18) is stretched in corresponding pilot hole, the other end is fixedly connected with described 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 true CN104847304A (en) | 2015-08-19 |
| CN104847304B CN104847304B (en) | 2017-04-12 |
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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) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761547A (en) * | 2016-12-13 | 2017-05-31 | 中国石油集团西部钻探工程有限公司 | Novel down-hole electronic controlled power is switched |
| CN106761540A (en) * | 2017-01-04 | 2017-05-31 | 廊坊开发区森德石油设备有限公司 | A kind of optional position is two-way to set bridging plug |
| CN108756811A (en) * | 2018-06-12 | 2018-11-06 | 中国石油集团渤海钻探工程有限公司 | A kind of constant pressure start delay perforated valve |
| CN108979588A (en) * | 2018-07-26 | 2018-12-11 | 中国石油天然气股份有限公司 | A kind of two-way set packer for being examined in downhole tool room |
| CN109763784A (en) * | 2017-11-09 | 2019-05-17 | 中国石油化工股份有限公司 | Divide valve bridge plug hydraulic setting tool and its sets method |
| CN109838216A (en) * | 2017-11-29 | 2019-06-04 | 江苏科技大学 | Electric hydaulic reinforcement setting tool for bridge plug |
| CN110905429A (en) * | 2019-11-18 | 2020-03-24 | 川南航天能源科技有限公司 | Automatic pressure relief balanced type setting tool and setting method thereof |
| CN111608611A (en) * | 2020-06-09 | 2020-09-01 | 中国石油天然气集团有限公司 | Large-drift-diameter bridge plug capable of realizing single upper seal fracturing and method |
| CN111757970A (en) * | 2018-02-23 | 2020-10-09 | 狩猎巨人公司 | Shock absorbing material in setting tool |
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| US5447202A (en) * | 1992-10-01 | 1995-09-05 | Petroleum Engineering Services, Ltd. | Setting tool and related method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761547A (en) * | 2016-12-13 | 2017-05-31 | 中国石油集团西部钻探工程有限公司 | Novel down-hole electronic controlled power is switched |
| CN106761540A (en) * | 2017-01-04 | 2017-05-31 | 廊坊开发区森德石油设备有限公司 | A kind of optional position is two-way to set bridging plug |
| CN109763784A (en) * | 2017-11-09 | 2019-05-17 | 中国石油化工股份有限公司 | Divide valve bridge plug hydraulic setting tool and its sets method |
| CN109838216A (en) * | 2017-11-29 | 2019-06-04 | 江苏科技大学 | Electric hydaulic reinforcement setting tool for bridge plug |
| CN111757970A (en) * | 2018-02-23 | 2020-10-09 | 狩猎巨人公司 | Shock absorbing material in setting tool |
| CN108756811A (en) * | 2018-06-12 | 2018-11-06 | 中国石油集团渤海钻探工程有限公司 | A kind of constant pressure start delay perforated valve |
| 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 |
| CN108979588A (en) * | 2018-07-26 | 2018-12-11 | 中国石油天然气股份有限公司 | A kind of two-way set packer for being examined in downhole tool room |
| CN110905429A (en) * | 2019-11-18 | 2020-03-24 | 川南航天能源科技有限公司 | Automatic pressure relief balanced type setting tool and setting method thereof |
| CN111608611A (en) * | 2020-06-09 | 2020-09-01 | 中国石油天然气集团有限公司 | Large-drift-diameter bridge plug capable of realizing single upper seal fracturing and method |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104847304B (en) | 2017-04-12 |
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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. |
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