CN102061902B - Special tool for installing rubber stopper on well cementing cement head of oil field - Google Patents

Special tool for installing rubber stopper on well cementing cement head of oil field Download PDF

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Publication number
CN102061902B
CN102061902B CN 201010574836 CN201010574836A CN102061902B CN 102061902 B CN102061902 B CN 102061902B CN 201010574836 CN201010574836 CN 201010574836 CN 201010574836 A CN201010574836 A CN 201010574836A CN 102061902 B CN102061902 B CN 102061902B
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CN
China
Prior art keywords
rod
installing
rubber stopper
hydraulic jack
head
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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.)
Expired - Fee Related
Application number
CN 201010574836
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Chinese (zh)
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CN102061902A (en
Inventor
樊天朝
蒋鸿
李俊德
唐洁
梁维和
张斌
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CNPC Xibu Drilling Engineering Co Ltd
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CNPC Xibu Drilling Engineering Co Ltd
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Priority to CN 201010574836 priority Critical patent/CN102061902B/en
Publication of CN102061902A publication Critical patent/CN102061902A/en
Application granted granted Critical
Publication of CN102061902B publication Critical patent/CN102061902B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses a special tool for installing a rubber stopper on a well cementing cement head of an oil field, which relates to the technical field of tools for installing a rubber stopper of an oil field on a cement head. The special tool comprises a clamping hoop, an installation frame, a hydraulic jack, an ejecting rod and a flat bottom conical head, wherein the bottom of the installation frame is fixedly provided with the clamping hoop; the top of the installation frame is provided with an installation hole; the middle of a cylinder sleeve of the hydraulic jack is fixedly installed on the installation frame by the installation hole; the lower end of a piston head of the hydraulic jack is fixedly provided with an ejecting rod; and the lower end of the ejecting rod is fixedly provided with the flat bottom conical head by threads. The invention has the advantages of reasonable and compact structure and convenience for use and ensures that the flat bottom conical head is pressed to the top of the rubber stopper and the rubber stopper enters the cement head by the hydraulic jack, thereby greatly improving the working efficiency and reducing the damage probability of the rubber stopper.

Description

Special tool for installing rubber stopper on well cementing cement head of oil field
Technical field
the present invention relates to the oil field plug cementing head technical field of tools of packing into, is a kind of special tool for installing rubber stopper on well cementing cement head of oil field.
Background technology
well cementation is last one key procedure of oil drilling, and cementing plug is a kind of common tool in well cementing operation, plays the effects such as isolation, scraping and bruising in the well cementing operation engineering.Before cementing operation, cementing plug is arranged in cementing head in advance, after cemented up, by opening cement first speed pin, discharges plug, and plug is descending, completes cementing operation.
the method of the plug of cementing head installation at present mainly contains two kinds, method 1: at workshop, adopt large-scale erecting tools that plug is installed; Method 2: adopt at the construction field (site) hammer that plug is pounded in the cementing head cavity.The defect of method 1 is that erecting tools is heavier, carries out in can only be between special-purpose installation car, if job site changes, can not change in time, is not easy to execute-in-place; The defect of method 2 is to pound plug with hammer, and because unbalance stress can damage plug, the harder plug to some glue bowls, adopt this method can't complete plug and install in addition.
Summary of the invention
the invention provides a kind of special tool for installing rubber stopper on well cementing cement head of oil field, overcome the deficiency of above-mentioned prior art, it can effectively solve cementing head plug expense effort and flimsy problem are installed.
technical scheme of the present invention realizes by following measures: a kind of special tool for installing rubber stopper on well cementing cement head of oil field comprises clip, installing rack, hydraulic jack, push rod peace end conical head; Bottom at installing rack is installed with clip, installing hole is arranged at the top at installing rack, the middle part of hydraulic jack cylinder sleeve is fixedly mounted on installing rack by installing hole, lower end at the hydraulic jack piston head is installed with push rod, in the lower end of push rod, by screw thread, is installed with flat conical head.
below the further optimization and/or improvements to the foregoing invention technical scheme:
between above-mentioned push rod and hydraulic jack piston head, threaded rod can be arranged, the lower end of the upper end of threaded rod and hydraulic jack piston head is fixedly installed togather, and the lower end of threaded rod and the upper end of push rod are fixedly installed togather by screw thread.
above-mentioned installing hole can be threaded mounting hole, on the hydraulic jack cylinder sleeve, screw thread is arranged, and the middle part of hydraulic jack cylinder sleeve is arranged in threaded mounting hole by screw thread.
above-mentioned installing rack can comprise installing plate and adjustable fixedly chain, there is installing hole at middle part at installing plate, and adjustable fixedly chain is at least three, and each adjustable fixedly chain comprises connecting rod, upper screw rod, hollow body, lower threaded rod and U-shaped connector, the upper end of connecting rod is fixedly mounted on installing plate, and hollow body comprises the body of rod, the lower body of rod, the left body of rod and the right body of rod, be fixedly connected with respectively the left body of rod and the right body of rod between the left end of the upper body of rod and the lower body of rod and right-hand member, the screwed hole that the screw thread opposite direction is arranged respectively on the upper body of rod and the lower body of rod, there is connecting ring upper end at upper screw rod, there is installing hole lower end at connecting rod, connecting ring is fixedly installed togather by bolt and installing hole and connecting rod, screw thread is arranged at the bottom at upper screw rod, the bottom of upper screw rod is fixedly mounted in the screwed hole of the upper body of rod by screw thread, lower end and the clip of U-shaped connector are fixedly installed togather, screw thread is arranged at the top at lower screw rod, the top of lower screw rod is fixedly mounted in the screwed hole of the lower body of rod by screw thread, the lower end of lower screw rod is fixedly mounted on the top of U-shaped connector by steady pin.
above-mentioned adjustable fixedly chain can be three.
the upper end of above-mentioned connecting rod can be mounted by means of bolts on installing plate.
reasonable and compact in structure of the present invention, easy to use, by hydraulic jack, make flat conical head be pressed in the plug top and make plug enter into cementing head, thereby greatly improved operating efficiency, also reduced the probability that plug damages.
The accompanying drawing explanation
accompanying drawing 1 is looked the broken section structural representation for the master of most preferred embodiment of the present invention.
coding in accompanying drawing is respectively: 1 is clip, and 2 is hydraulic jack, and 3 is push rod, and 4 is flat conical head, 5 is the hydraulic jack cylinder sleeve, and 6 is the hydraulic jack piston head, and 7 is threaded rod, 8 is installing plate, and 9 is connecting rod, and 10 is upper screw rod, 11 is lower screw rod, and 12 is U-shaped connector, and 13 is the upper body of rod, 14 is the lower body of rod, and 15 is the left body of rod, and 16 is the right body of rod, 17 is connecting ring, and 18 is steady pin, and 19 is Manual pressure bar.
The specific embodiment
the present invention is not subject to the restriction of following embodiment, can determine concrete embodiment according to technical scheme of the present invention and actual conditions.
in the present invention, for convenience of description, the description of the relative position relation of each parts is all to be described according to the Butut mode of Figure of description, as: the position relationship of upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description.
below in conjunction with embodiment and accompanying drawing, the invention will be further described:
as shown in Figure 1, this special tool for installing rubber stopper on well cementing cement head of oil field comprises clip 1, installing rack, hydraulic jack 2, push rod 3 peace end conical heads 4, be installed with clip 1 in the bottom of installing rack, installing hole is arranged at the top at installing rack, the middle part of hydraulic jack cylinder sleeve 5 is fixedly mounted on installing rack by installing hole, be installed with push rod 3 in the lower end of hydraulic jack piston head 6, lower end at push rod 3 is installed with flat conical head 4 by screw thread, like this, during use, at first clip 1 is fixed on cementing head, then Manual pressure bar 19 is suppressed hydraulic jack, hydraulic jack piston head 6 moves down the flat conical head 4 of promotion and moves down and withstand on the plug center, then promote the plug cementing head of packing into smoothly.
can according to actual needs, above-mentioned special tool for installing rubber stopper on well cementing cement head of oil field be made further optimization and/or improvements:
as shown in Figure 1, between push rod 3 and hydraulic jack piston head, threaded rod 7 is arranged, the lower end of the upper end of threaded rod 7 and hydraulic jack piston head 6 is fixedly installed togather, the upper end of the lower end of threaded rod 7 and push rod 3 is fixedly installed togather by screw thread, like this, can strengthen the stroke of above-below direction.
as shown in Figure 1, installing hole is threaded mounting hole, on hydraulic jack cylinder sleeve 5, screw thread is arranged, and the middle part of hydraulic jack cylinder sleeve 5 is arranged in threaded mounting hole by screw thread, like this, by rotating screw thread, also can regulate the height of above-below direction.
as shown in Figure 1, installing rack comprises installing plate 8 and adjustable fixedly chain, there is installing hole at middle part at installing plate 8, and adjustable fixedly chain is at least three, and each adjustable fixedly chain comprises connecting rod 9, upper screw rod 10, hollow body, lower threaded rod 11 and U-shaped connector 12, the upper end of connecting rod 9 is fixedly mounted on installing plate 8, and hollow body comprises the body of rod 13, the lower body of rod 14, the left body of rod 15 and the right body of rod 16, be fixedly connected with respectively the left body of rod 15 and the right body of rod 16 between the left end of the upper body of rod 13 and the lower body of rod 14 and right-hand member, the screwed hole that the screw thread opposite direction is arranged respectively on the upper body of rod 13 and the lower body of rod 14, in the upper end of upper screw rod 10, connecting ring 17 is arranged, there is installing hole lower end at connecting rod 9, connecting ring 17 is fixedly installed togather by bolt and installing hole and connecting rod 9, screw thread is arranged at the bottom at upper screw rod 10, the bottom of upper screw rod 10 is fixedly mounted in the screwed hole of the upper body of rod 13 by screw thread, the lower end of U-shaped connector 12 and clip 1 are fixedly installed togather, screw thread is arranged at the top at lower screw rod 11, the top of lower screw rod 11 is fixedly mounted in the screwed hole of the lower body of rod 14 by screw thread, the lower end of lower screw rod 11 is fixedly mounted on the top of U-shaped connector 12 by steady pin 18, like this, when needs are regulated the height of above-below direction, be inserted in hollow body and rotate and can regulate height by pull bar.
as shown in Figure 1, according to actual needs, adjustable fixedly chain is preferably three.
as shown in Figure 1, for the ease of installation and removal, the upper end of connecting rod 9 is mounted by means of bolts on installing plate 8.
above technical characterictic has formed most preferred embodiment of the present invention, and it has stronger compliance and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, meets the demand of different situations.

Claims (8)

1. a special tool for installing rubber stopper on well cementing cement head of oil field, is characterized in that comprising clip, installing rack, hydraulic jack, push rod peace end conical head, bottom at installing rack is installed with clip, installing hole is arranged at the top at installing rack, the middle part of hydraulic jack cylinder sleeve is fixedly mounted on installing rack by installing hole, lower end at the hydraulic jack piston head is installed with push rod, in the lower end of push rod, by screw thread, is installed with flat conical head, wherein: installing rack comprises installing plate and adjustable fixedly chain, there is installing hole at middle part at installing plate, and adjustable fixedly chain is at least three, and each adjustable fixedly chain comprises connecting rod, upper screw rod, hollow body, lower threaded rod and U-shaped connector, the upper end of connecting rod is fixedly mounted on installing plate, and hollow body comprises the body of rod, the lower body of rod, the left body of rod and the right body of rod, be fixedly connected with respectively the left body of rod and the right body of rod between the left end of the upper body of rod and the lower body of rod and right-hand member, the screwed hole that the screw thread opposite direction is arranged respectively on the upper body of rod and the lower body of rod, there is connecting ring upper end at upper screw rod, there is installing hole lower end at connecting rod, connecting ring is fixedly installed togather by bolt and installing hole and connecting rod, screw thread is arranged at the bottom at upper screw rod, the bottom of upper screw rod is fixedly mounted in the screwed hole of the upper body of rod by screw thread, lower end and the clip of U-shaped connector are fixedly installed togather, screw thread is arranged at the top at lower screw rod, the top of lower screw rod is fixedly mounted in the screwed hole of the lower body of rod by screw thread, the lower end of lower screw rod is fixedly mounted on the top of U-shaped connector by steady pin.
2. special tool for installing rubber stopper on well cementing cement head of oil field according to claim 1, it is characterized in that, between push rod and hydraulic jack piston head, threaded rod is arranged, the lower end of the upper end of threaded rod and hydraulic jack piston head is fixedly installed togather, and the lower end of threaded rod and the upper end of push rod are fixedly installed togather by screw thread.
3. special tool for installing rubber stopper on well cementing cement head of oil field according to claim 1 and 2, is characterized in that installing hole is threaded mounting hole, on the hydraulic jack cylinder sleeve, screw thread arranged, and the middle part of hydraulic jack cylinder sleeve is arranged in threaded mounting hole by screw thread.
4. special tool for installing rubber stopper on well cementing cement head of oil field according to claim 1 and 2, is characterized in that
Adjustable fixedly chain is three.
5. special tool for installing rubber stopper on well cementing cement head of oil field according to claim 3, is characterized in that adjustable fixedly chain is three.
6. special tool for installing rubber stopper on well cementing cement head of oil field according to claim 1 and 2, is characterized in that the upper end of connecting rod is mounted by means of bolts on installing plate.
7. special tool for installing rubber stopper on well cementing cement head of oil field according to claim 3, is characterized in that the upper end of connecting rod is mounted by means of bolts on installing plate.
8. special tool for installing rubber stopper on well cementing cement head of oil field according to claim 5, is characterized in that the upper end of connecting rod is mounted by means of bolts on installing plate.
CN 201010574836 2010-12-06 2010-12-06 Special tool for installing rubber stopper on well cementing cement head of oil field Expired - Fee Related CN102061902B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010574836 CN102061902B (en) 2010-12-06 2010-12-06 Special tool for installing rubber stopper on well cementing cement head of oil field

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Application Number Priority Date Filing Date Title
CN 201010574836 CN102061902B (en) 2010-12-06 2010-12-06 Special tool for installing rubber stopper on well cementing cement head of oil field

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CN102061902B true CN102061902B (en) 2013-06-19

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102628342A (en) * 2012-03-22 2012-08-08 中国石油集团长城钻探工程有限公司 Tail pipe well cementation drill pipe rubber plug placing device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2033443U (en) * 1988-06-02 1989-03-01 况太槐 Well sealing adjustable automatic drilling mud device with double seal
US5191932A (en) * 1991-07-09 1993-03-09 Douglas Seefried Oilfield cementing tool and method
CN2210247Y (en) * 1994-05-16 1995-10-18 张衍昌 Quick-falling rubber plug well cementing device
CN201214227Y (en) * 2008-07-16 2009-04-01 西部钻探吐哈钻井公司 Tool special for mounting valve body rubber ring of cementing truck plunger pump
CN201883998U (en) * 2010-12-06 2011-06-29 中国石油集团西部钻探工程有限公司 Special tool for mounting rubber stopper in cement casing head for well cementation of oil field

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2033443U (en) * 1988-06-02 1989-03-01 况太槐 Well sealing adjustable automatic drilling mud device with double seal
US5191932A (en) * 1991-07-09 1993-03-09 Douglas Seefried Oilfield cementing tool and method
CN2210247Y (en) * 1994-05-16 1995-10-18 张衍昌 Quick-falling rubber plug well cementing device
CN201214227Y (en) * 2008-07-16 2009-04-01 西部钻探吐哈钻井公司 Tool special for mounting valve body rubber ring of cementing truck plunger pump
CN201883998U (en) * 2010-12-06 2011-06-29 中国石油集团西部钻探工程有限公司 Special tool for mounting rubber stopper in cement casing head for well cementation of oil field

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