CN201747322U - Plug drilling free cementing device - Google Patents
Plug drilling free cementing device Download PDFInfo
- Publication number
- CN201747322U CN201747322U CN2010202788613U CN201020278861U CN201747322U CN 201747322 U CN201747322 U CN 201747322U CN 2010202788613 U CN2010202788613 U CN 2010202788613U CN 201020278861 U CN201020278861 U CN 201020278861U CN 201747322 U CN201747322 U CN 201747322U
- Authority
- CN
- China
- Prior art keywords
- cementing
- sliding sleeve
- connecting pipe
- pipe
- connector
- 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.)
- Expired - Lifetime
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 14
- 210000000078 claw Anatomy 0.000 claims abstract description 15
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 10
- 229920001971 elastomer Polymers 0.000 claims description 6
- 239000005060 rubber Substances 0.000 claims description 6
- 230000001737 promoting effect Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract 2
- 238000011010 flushing procedure Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
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- Earth Drilling (AREA)
Abstract
The utility model relates to a plug drilling free cementing device, which comprises a drill rod, a shearing pin joint, an upper connector, a spear claw, a slide bushing, a spear body, a connector, an outer pipe, a slide bushing switch, a differential pressure sleeve, a connecting pipe, an upward lifting barrel, an inner lifting pipe, an outer connecting pipe, an elastic claw, a main body connecting pipe and a piston, wherein one end of the upper connector is sequentially connected with the shearing pin joint and the drill rod, and the other end thereof is sequentially connected with the outer pipe and the outer connecting pipe; the slide bushing is arranged in the outer pipe and is internally provided with the differential pressure sleeve, the slide bushing switch and the connecting pipe in sequence; one end of the connecting pipe is sequentially connected with the connector and the spear claw; the spear claw is internally provided with the spear body; the other end of the connecting pipe is sequentially connected with the inner lifting pipe, the main body connecting pipe and the piston; and the upper lifting barrel and the elastic claw are arranged between the outer connecting pipe and the inner lifting pipe. The plug drilling free cementing device has the characteristics of simple structure, reliable performance, simple construction procedure, no drilling for a grading hoop and a blink plate, short construction period, safe and reliable fishing and the like and can be widely applied in the well-completion cementing process in the well drilling.
Description
One, technical field
The utility model relates to oil exploitation drilling completion cementing tool, particularly a kind of brill plug hook-up for cementing of exempting from.
Two, background technology
Existing a kind of plug hook-up for cementing of exempting to bore, its structure by overcoat, plug cover, outer bell and spigot joint, close cover, open cover and ball seat constitutes, its objective is to implement to exempt to bore the plug stage cementing, but there is following shortcoming or deficiency: 1. complex structure, the processing and manufacturing trouble, the cost height; 2. can not in slim-hole, use; 3. sizing collar is descending opening, poor reliability; 4. in use be prone to salvaging not, drag for and can not pull out, phenomenon, poor stability such as the cementing hole fits badly.
Three, utility model content
Order of the present utility model provides a kind of plug hook-up for cementing of exempting to bore, adopt combining structure such as lance pawl, sliding sleeve, lance body, sliding sleeve switch, pressure reduction sleeve, elastic claw and piston and outer tube, sliding sleeve and three layers of tubing string of three layers of tubing string of sliding sleeve switch to open or close the form of structure in cementing hole, the shortcoming or the deficiency that overcome effectively or avoid existing in the above-mentioned prior art.
Described in the utility modelly exempt to bore the plug hook-up for cementing, comprise drilling rod, cut off joint, upper binding head, lance pawl, sliding sleeve, lance body, connector, outer tube, sliding sleeve switch, pressure reduction sleeve, tube connector, on carry tube, promote in pipe, outer connecting pipe, elastic claw, main body tube connector, piston.Described upper binding head one end in turn with cut off joint and be connected with drilling rod, the upper binding head other end is connected with outer tube, outer connecting pipe in turn, sliding sleeve is installed in the outer tube, pressure reduction sleeve, sliding sleeve switch and tube connector are installed in the sliding sleeve in turn, this tube connector one end is connected with the lance pawl with connector in turn, the lance body is installed in the lance pawl, and the other end of tube connector is managed in turn with in promoting, the main body tube connector is connected with piston, is equipped with between the pipe in outer connecting pipe and the lifting and carries tube 13 and elastic claw.
Wherein, described internal piston is solid blind hole type structure, and the outside is equipped with at least one cushion rubber.Be expressed as four road cushion rubbers among the figure.Described lance pawl bottom is the grasp type structure, and top is the inner conical structure, matches with the male-tapered structure of lance body.Described lance pawl upper end is provided with external screw thread, and external screw thread matches with the internal thread that cuts off joint.Described connector and tube connector are that left-hand thread is connected.Pipe and main body tube connector are provided with through hole in the described lifting.Described sliding sleeve is equipped with baffle ring outward.Described outer connecting pipe and elastic claw bottom are equipped with pin.The cementing hole that described outer tube, sliding sleeve and sliding sleeve switch are provided with mutual UNICOM or close.Described outer tube, sliding sleeve and sliding sleeve switch are connected by pin.
The utility model has following advantage compared with prior art:
1, simple in structure, dependable performance, processing, use, easy to maintenance;
2, construction sequence is simple, must not bore sizing collar, do not have bore the blind plate operation, and short construction period saves time, laborsaving, economical;
3, cut off joint and lance pawl salvaging mode, salvage safety, reliable with screwed connection;
4, outer tube, sliding sleeve and three layers of tubing string of sliding sleeve switch are convenient to its function and are realized to open or close the form of structure in cementing hole;
5, the piston outside is sealed with 4 road rubber sealing bore holes, and inside is that the form of structure of solid blind plate is safe and reliable;
6, the cooperation that is connected of connector and tube connector is the left-hand thread structure, and if construction gets final product back-off and proposes unusual;
7, it is strong to salvage function, just in case fail when proposing inner part, tube connector, promote in pipe, main body tube connector can continue salvaging with dragging for lance, and needn't bore mill.
Four, description of drawings
Accompanying drawing is a kind of example structure schematic diagram of the present utility model
Five, the specific embodiment
Consult accompanying drawing, a kind ofly exempt to bore the plug hook-up for cementing, comprise drilling rod 1, cut off joint 2, upper binding head 3, lance pawl 4, sliding sleeve 6, lance body 7, connector 8, outer tube 9, sliding sleeve switch 10, pressure reduction sleeve 11, tube connector 12, on carry tube 13, promote in pipe 14, outer connecting pipe 15, elastic claw 16, main body tube connector 18, piston 20.Upper binding head 3 one ends in turn with cut off joint 2 and be connected with drilling rod 1, upper binding head 3 other ends are connected with outer tube 9, outer connecting pipe 15 in turn, sliding sleeve 6 is installed in the outer tube 9, pressure reduction sleeve 11, sliding sleeve switch 10 and tube connector 12 are installed in the sliding sleeve 6 in turn, these tube connector 12 1 ends are connected with lance pawl 4 with connector 8 in turn, lance body 7 is installed in the lance pawl 4, the other end of tube connector 12 in turn with promote in pipe 14, main body tube connector 18 be connected with piston 20, outer connecting pipe 15 with promote in be equipped with between the pipe 14 and carry tins 13 and elastic claw 16.
Piston 20 inside are solid blind hole type structure, and the outside is equipped with at least one cushion rubber 19, is expressed as four road cushion rubbers 19 among the figure.Lance pawl 4 bottoms are the grasp type structure, and top is the inner conical structure, and this inner conical structure matches with the male-tapered structure of lance body 7.Lance pawl 4 upper ends are provided with external screw thread, and external screw thread matches with the internal thread that cuts off joint 2.Connector 8 and tube connector 12 are connected for left-hand thread.Pipe 14 and main body tube connector 18 are provided with through hole in promoting.The sliding sleeve 6 outer baffle rings 5 that are equipped with.Described outer connecting pipe 15 and elastic claw 16 bottoms are equipped with pin 17.The cementing hole that outer tube 9, sliding sleeve 6 and sliding sleeve switch 10 are provided with mutual UNICOM or close.Outer tube 9, sliding sleeve 6 and sliding sleeve switch 10 are connected by pin.
During operation, the utility model and bore hole envelope are gone into the well to projected depth with casing string, are just suppressing 0-5-9MPa with cementing truck, voltage stabilizing 5 minutes, bore hole envelope seat envelope; Continue to suppress 9-11MPa, bore hole envelope seat envelope passage is closed in voltage stabilizing 3 minutes; Continue to suppress 12-16MPa, pressure descends suddenly, opens the cementing hole, sets up the cementing circulation canal; In positive one week of well-flushing circulating mud, till pressure to be recycled was normal, the dress well head also was lowered to cementing tubing string or drilling rod in sleeve pipe, the terminal band flushing of tubing string fishing tool; When tubing string arrives apart from the utility model 1-2m down, adorn positive cementing well head flow process, close sleeve pipe, positive cementing; After cementing is intact, beat displacement fluid; Tubing string is slowly transferred, transfer to top of fish after, pressurize 20 tons, this moment, the cementing bore closure was driven sleeve pipe, big discharge capacity anti-flushing well will remain cement in will manage, all wash out ground; Close sleeve pipe, pressure testing 10Mpa, voltage stabilizing 3 minutes, as not leaking, upper lifting pipe post then, 20 tons of super suspending weights are mentioned straight well Duan Houning with the cementing tubing string, will all propose ground with tubing string behind the Hou Ning.During salvaging, be with drilling rod 1 to cut off joint 2 and transfer, be connected, cover parts in of the present utility model are being proposed ground with lance pawl 4 screw threads.
Claims (10)
1. exempt to bore the plug hook-up for cementing for one kind, comprise drilling rod, cut off joint, upper binding head, the lance pawl, sliding sleeve, the lance body, connector, outer tube, sliding sleeve switch, the pressure reduction sleeve, tube connector, on carry tube, pipe in promoting, outer connecting pipe, elastic claw, the main body tube connector, piston, it is characterized in that described upper binding head one end in turn with cut off joint and be connected with drilling rod, the upper binding head other end in turn with outer tube, outer connecting pipe is connected, sliding sleeve is installed in the outer tube, the pressure reduction sleeve is installed in the sliding sleeve in turn, sliding sleeve switch and tube connector, this tube connector one end is connected with the lance pawl with connector in turn, the lance body is installed in the lance pawl, the other end of tube connector is managed in turn with in promoting, the main body tube connector is connected with piston, is equipped with between the pipe in outer connecting pipe and the lifting and carries tube and elastic claw.
2. the brill plug hook-up for cementing of exempting from according to claim 1 is characterized in that described internal piston is solid blind hole type structure, and the outside is equipped with at least one cushion rubber.
3. the brill plug hook-up for cementing of exempting from according to claim 1 is characterized in that described lance pawl bottom is the grasp type structure, and top is the inner conical structure, matches with the male-tapered structure of lance body.
4. according to claim 1 or the 3 described brill plug hook-up for cementings of exempting from, it is characterized in that described lance pawl upper end is provided with external screw thread, external screw thread matches with the internal thread that cuts off joint.
5. the brill plug hook-up for cementing of exempting from according to claim 1 is characterized in that described connector and tube connector are that left-hand thread is connected.
6. the brill plug hook-up for cementing of exempting from according to claim 1 is characterized in that managing in the described lifting and the main body tube connector is provided with through hole.
7. the brill plug hook-up for cementing of exempting from according to claim 1 is characterized in that described sliding sleeve is equipped with baffle ring outward.
8. the brill plug hook-up for cementing of exempting from according to claim 1 is characterized in that described outer connecting pipe and elastic claw bottom are equipped with pin.
9. the brill plug hook-up for cementing of exempting from according to claim 1 is characterized in that the cementing hole that described outer tube, sliding sleeve 6 and sliding sleeve switch are provided with mutual UNICOM or close.
10. the brill plug hook-up for cementing of exempting from according to claim 1 is characterized in that described outer tube, sliding sleeve and sliding sleeve switch are connected by pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202788613U CN201747322U (en) | 2010-07-26 | 2010-07-26 | Plug drilling free cementing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202788613U CN201747322U (en) | 2010-07-26 | 2010-07-26 | Plug drilling free cementing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201747322U true CN201747322U (en) | 2011-02-16 |
Family
ID=43582005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202788613U Expired - Lifetime CN201747322U (en) | 2010-07-26 | 2010-07-26 | Plug drilling free cementing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201747322U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536162A (en) * | 2012-03-19 | 2012-07-04 | 阜新力洋石油工具有限公司 | Reliving flow safety pressure reducing device |
| CN103527875A (en) * | 2013-10-28 | 2014-01-22 | 中国水电顾问集团中南勘测设计研究院有限公司 | Hole sealing connector |
| CN107013183A (en) * | 2017-05-31 | 2017-08-04 | 中国石油集团西部钻探工程有限公司 | Tail pipe plug device |
| CN112761577A (en) * | 2019-10-21 | 2021-05-07 | 中石化石油工程技术服务有限公司 | Non-reducing drilling plug-free cementing device and method for oil well of oil field |
-
2010
- 2010-07-26 CN CN2010202788613U patent/CN201747322U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536162A (en) * | 2012-03-19 | 2012-07-04 | 阜新力洋石油工具有限公司 | Reliving flow safety pressure reducing device |
| CN102536162B (en) * | 2012-03-19 | 2014-07-16 | 阜新力洋石油工具有限公司 | Reliving flow safety pressure reducing device |
| CN103527875A (en) * | 2013-10-28 | 2014-01-22 | 中国水电顾问集团中南勘测设计研究院有限公司 | Hole sealing connector |
| CN107013183A (en) * | 2017-05-31 | 2017-08-04 | 中国石油集团西部钻探工程有限公司 | Tail pipe plug device |
| CN112761577A (en) * | 2019-10-21 | 2021-05-07 | 中石化石油工程技术服务有限公司 | Non-reducing drilling plug-free cementing device and method for oil well of oil field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: QINGDAO RUIXIN PETROLEUM EQUIPMENT MANUFACTURING C Free format text: FORMER OWNER: KONG LISHENG Effective date: 20130506 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 257000 DONGYING, SHANDONG PROVINCE TO: 266000 QINGDAO, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130506 Address after: 266000, Shandong Province, Qingdao City, Jimo Province Blue Town Happy Road East first South Patentee after: Qingdao Ruixin Petroleum Equipment Manufacturing Co., Ltd. Address before: 257000 Shandong province Dongying City West Road No. 518 Patentee before: Kong Lisheng |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190924 Address after: 266232, Shandong Province, Qingdao City, Jimo Province Blue Town Happy Road East first South Co-patentee after: Dongying Ruifeng Petroleum Development Co., Ltd. Patentee after: Qingdao Ruixin Petroleum Equipment Manufacturing Co., Ltd. Address before: 266000, Shandong Province, Qingdao City, Jimo Province Blue Town Happy Road East first South Patentee before: Qingdao Ruixin Petroleum Equipment Manufacturing Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110216 |