CN101498201A - Oil dredge shearing sealing blowout preventer - Google Patents
Oil dredge shearing sealing blowout preventer Download PDFInfo
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- CN101498201A CN101498201A CNA2009100798699A CN200910079869A CN101498201A CN 101498201 A CN101498201 A CN 101498201A CN A2009100798699 A CNA2009100798699 A CN A2009100798699A CN 200910079869 A CN200910079869 A CN 200910079869A CN 101498201 A CN101498201 A CN 101498201A
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- flashboard
- wire rope
- blowout preventer
- shearing
- cutting
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Abstract
The invention discloses an oil-fishing, cutting and sealing blowout preventer which comprises a connection flange and a sealing head of a steel wire arranged above the connection flange, a steel wire passes through the connection flange and the sealing head of a steel wire, a left cutting mechanism and a right cutting mechanism are symmetrically arranged between the connection flange and the sealing head of a steel wire and are respectively provided with a left wedge gate and a right wedge gate which are respectively provided with a left cutter and a right cutter in match and a sealing component, and the two cutting mechanisms respectively use the corresponding driving mechanism for enabling the left wedge gate and the right wedge gate to be close and the left cutter and the right cutter to complete the closed cut-off operation of the steel wire. With the closed cut-off operation of the left cutter and the right cutter on the steel wire, the sealing components of the two wedge gates are matched to together seal the passage of the steel wire. The invention has sealing and cutting functions by concentrating the sealing function and the cutting function on the wedge gates, and has the advantages of small size, light weight, high work efficiency, low cost and convenient maintenance and repair.
Description
Technical field
The present invention relates to a kind of oil dredge shearing sealing blowout preventer of oilfield downhole operation.
Background technology
The oil field when borehole pressure is excessive, as well kick or blowout phenomenon, at this moment needs and a kind ofly can shear the preventer that wire rope can effectively seal again after shearing when carrying out the down-hole oil salvage operation.The preventer that can shear sucker rod or oil pipe is arranged on the market, but this preventer is a double disc, one is used for sealing, and one is used for shearing; This preventer volume is big, quality is big, the maintenance and repair inconvenience; Can only be used to have only the sucker rod or the oil pipe of rigidity and appearance smoother, can not be used to shear existing rigidity has flexible screw-shaped wire rope again.
Summary of the invention
At the problem that prior art exists, the object of the present invention is to provide that a kind of volume is little, quality is little, maintenance and repair are convenient, the oil dredge shearing sealing blowout preventer of reliable operation.
For achieving the above object, oil dredge shearing sealing blowout preventer of the present invention, the wire rope seal head that comprises adpting flange and side disposed thereon, wire rope runs through adpting flange and wire rope seal head, and between adpting flange and wire rope seal head, also be symmetrically arranged with left cutting mechanism and right cutting mechanism, two cutting mechanisms are respectively arranged with left flashboard and right flashboard, be respectively arranged with a left side of matching on two flashboards, right-cut tool, be respectively arranged with seal on two flashboards, the two cutting mechanisms driving mechanism by separately respectively make described left flashboard and right flashboard close mutually, and by a described left side, right-cut tool is finished the wire rope closed amputation is operated, along with a described left side, the closed wire rope of shearing of right-cut tool, the seal on two flashboards match and finish sealing to steel-cable channel jointly.
Further, described left flashboard and right flashboard are provided with and are used to prevent that wire rope from pulling the projection of described seal, and also be provided with the groove that matches with described projection on described left flashboard and the right flashboard, when described left flashboard and right flashboard were closed, described projection plug-in mounting was gone in the groove.
Further, the cutting edge of described cutting knife is the arcuate structure of indent.
Further, described driving mechanism is hydraulic cylinder or cylinder, and this hydraulic cylinder or cylinder are located at the afterbody of described left flashboard and right flashboard, and described flashboard afterbody is connected with the piston rod of each self-corresponding hydraulic cylinder or cylinder.
Further, the afterbody of described hydraulic cylinder or cylinder is provided with the locking push rod, and after described left and right cutting knife was finished closed the shearing, the locking push rod leaned on described piston, and described left flashboard and right flashboard are kept closed.
Further, the cross section of described left flashboard and right flashboard is circular, is provided with guiding mechanism between the housing that described left flashboard and right flashboard and its assembled, and this guiding mechanism is used to prevent that described left flashboard and right flashboard from rotating.
Further, wire rope stretches out by the centre bore of described adpting flange, described adpting flange is provided with resistance rope push rod, between this resistance rope push rod and the described adpting flange for being threaded, precession resistance rope push rod can lean wire rope on the inwall of centre bore in described adpting flange, thereby stops the activity of wire rope.
Further, the bottom of described centre bore is provided with the wire rope fairlead.
Oil dredge shearing sealing blowout preventer of the present invention will seal and shearing concentrates on the flashboard, make it to seal and can shear, and have that volume is little, quality is little, high efficiency, cost are low, maintenance and repair advantage easily.
Description of drawings
Fig. 1 is a structure sectional view of the present invention;
Fig. 2 is left flashboard sectional view;
Fig. 3 is left flashboard vertical view;
Fig. 4 be among Fig. 3 A-A to view;
Fig. 5 is right flashboard sectional view;
Fig. 6 is right flashboard vertical view;
Fig. 7 be among Fig. 6 B-B to view;
Fig. 8 is the seal front view;
Fig. 9 is the seal vertical view;
Figure 10 be among Fig. 8 C-C to view.
The specific embodiment
As described in Fig. 1 to Figure 10, oil dredge shearing sealing blowout preventer of the present invention, the wire rope seal head 3 that comprises adpting flange 2 and side disposed thereon, wire rope 4 runs through adpting flange 2 and wire rope seal head 3, and between adpting flange 2 and wire rope seal head 3, also be symmetrically arranged with left cutting mechanism 1 and right cutting mechanism 5, left side cutting mechanism 1 is provided with left flashboard 11, and left flashboard 11 is provided with left-cut tool 111 and seal 112, also is provided with upper flashboard 115 on the left flashboard 11.Corresponding, right cutting mechanism 5 is provided with right flashboard 51, and right flashboard 51 is provided with right-cut tool 511 and seal 512, also is provided with lower flashboard 515 on the right flashboard 51.The cutting edge 118 of left-cut tool 111 and the cutting edge 518 of right-cut tool 511 are the arcuate structure of indent, and both uses that match, and the cross-sectional shape of the curved edge of indent and wire rope 4 is suitable, is convenient to shear wire rope.Seal 112 and seal 512 are for being oppositely arranged.A left side cutting mechanism 1 and right cutting mechanism 5 driving mechanism by separately respectively make left flashboard 11 and right flashboard 51 close mutually, and finish by left-cut tool 111, right-cut tool 511 wire rope 4 closed amputations are operated, along with left-cut tool 111, the right-cut tool 511 closed wire rope 4 of shearing, seal 112 and seal 512 match and finish sealing to steel-cable channel jointly.Seal 112 and seal 512 are L type structure, and the two ends of L type are respectively applied for two sealings between fitted seal, seal and the housing 6 between the seal.A left side flashboard 11 and right flashboard 51 is when closed, after wire rope 4 is cut off, left-cut tool 111 plug-in mountings are gone in the space between right-cut tool 511 and the lower flashboard 515, simultaneously, right-cut tool 511 plug-in mountings are gone in the space between left-cut tool 111 and the upper flashboard 115, make that so left flashboard 11 and right flashboard 51 closures are the overall structure of a compactness.
The driving mechanism of left side cutting mechanism 1 is hydraulic cylinder or cylinder 113, hydraulic cylinder or cylinder 113 are located at the afterbody of left flashboard 11, the tail end of left side flashboard 11 is provided with T type groove 114, the piston rod 1131 of hydraulic cylinder or cylinder 113 is sleeved in the T type groove 114, makes hydraulic cylinder or cylinder 113 drive the motion of left flashboard 11.Identical, the driving mechanism of right cutting mechanism 5 is hydraulic cylinder or cylinder 513, hydraulic cylinder or cylinder 513 are located at the afterbody of right flashboard 51, the tail end of right flashboard 51 is provided with T type groove 514, the piston rod 5131 of hydraulic cylinder or cylinder 513 is sleeved in the T type groove 514, makes hydraulic cylinder or cylinder 513 drive the motion of right flashboard 51.
Left side flashboard 11 is provided with and is used to prevent that wire rope 4 from pulling the projection 116 of seal 112, and the groove 117 that also is provided with on the left flashboard 11; Corresponding, also be provided with on the right flashboard 51 and be used to prevent that wire rope 4 from pulling the projection 516 of seal 512, and also be provided with groove 517 on the right flashboard 51; Projection 116 and groove 517 are suitable, and projection 516 and groove 117 are suitable, and when left flashboard 11 and right flashboard 51 closures, projection 116 plug-in mountings are gone in the groove 517, and projection 516 plug-in mountings are gone in the groove 117.
Locking push rod 119 has been threaded on the afterbody of hydraulic cylinder or cylinder 113, locking push rod 519 has been threaded on the afterbody of hydraulic cylinder or cylinder 513, after left-cut tool 111, right-cut tool 511 are finished closed the shearing, tighten locking push rod 119, it is leaned on piston 120; Tighten locking push rod 519 simultaneously, it is leaned on piston 520, thereby make left flashboard 11 and right flashboard 51 be kept closed, promptly keep the sealing of seal 112 and 512 pairs of steel-cable channels of seal.
The cross section of left side flashboard 11 and right flashboard 51 is circular, when its cross section is circle, be provided with guiding mechanism between left side flashboard 11 and right flashboard 51 and its housing that is assembled 6, this guiding mechanism is feather key 121 and feather key 521, and it is used to prevent that left flashboard 11 and right flashboard 51 from rotating.
Adpting flange 2 is provided with centre bore 21, wire rope 4 stretches out by centre bore 21, the bottom of centre bore 21 is provided with the wire rope fairlead 7 that is used for the wire rope motion guide, adpting flange 2 is provided with resistance rope push rod 8, between resistance rope push rod 8 and the adpting flange 2 for being threaded, precession resistance rope push rod 8 can lean wire rope 4 on the inwall of centre bore 21 in adpting flange 2, thereby stops the activity of wire rope 4.
During work, left flashboard 11 and right flashboard 51 are installed in the both sides of housing 6 respectively by feather key 121 and feather key 521; When blowout or well kick take place, elder generation's dextrorotation is screwed into the resistance rope push rod 8 on the adpting flange 2, scurry to stop on the wire rope 4, make piston 120, piston 520 drive separately flashboard respectively by ambient pressure again to central motion, make left flashboard 11 and right flashboard 51 closures, left-cut tool 111, right-cut tool 511 are cut off wire rope 4 simultaneously, wire rope 4 epimeres upwards propose under external force, seal 112 and the seal 512 end faces extruding that cooperatively interacts simultaneously forms sealing, thereby realizes the effect not only shearing but also seal.In order to prevent that left flashboard 11 and right flashboard 51 from retreating, after flashboard cuts out, in housing 6, be screwed into locking push rod 119 and locking push rod 519 respectively, locking push rod 119 and locking push rod 519 lean respectively on piston 120, piston 520, thereby make left flashboard 11 and right flashboard 51 be kept closed, promptly keep the sealing of seal 112 and 512 pairs of steel-cable channels of seal.
On the top of housing 6 wire rope seal head 3 is installed, wire rope seal head 3 comprises filler storehouse 32 and gland 31, is filled with filler in the filler storehouse 32, and when in oil salvage operation, filler can scrape off the things such as profit that wire rope 4 adheres to, to ensure civil operation; By regulating the gland 31 at top, can adjust the density aperture that filler keeps appropriateness.Closing of flashboard can also be realized by electronic, pneumatic form among the present invention.The present invention be by sealing and shearing concentrates on the flashboard, make it to seal and can shear, and have that volume is little, quality is little, high efficiency, cost are low, maintenance and repair advantage easily.
Claims (8)
1, oil dredge shearing sealing blowout preventer, it is characterized in that, this preventer comprises adpting flange and side's disposed thereon wire rope seal head, wire rope runs through adpting flange and wire rope seal head, and between adpting flange and wire rope seal head, also be symmetrically arranged with left cutting mechanism and right cutting mechanism, two cutting mechanisms are respectively arranged with left flashboard and right flashboard, be respectively arranged with a left side of matching on two flashboards, right-cut tool, be respectively arranged with seal on two flashboards, the two cutting mechanisms driving mechanism by separately respectively make described left flashboard and right flashboard close mutually, and by a described left side, right-cut tool is finished the wire rope closed amputation is operated, along with a described left side, the closed wire rope of shearing of right-cut tool, the seal on two flashboards match and finish sealing to steel-cable channel jointly.
2, oil dredge shearing sealing blowout preventer as claimed in claim 1, it is characterized in that, described left flashboard and right flashboard are provided with and are used to prevent that wire rope from pulling the projection of described seal, and also be provided with the groove that matches with described projection on described left flashboard and the right flashboard, when described left flashboard and right flashboard were closed, described projection plug-in mounting was gone in the groove.
3, oil dredge shearing sealing blowout preventer as claimed in claim 1 is characterized in that, the cutting edge of described cutting knife is the arcuate structure of indent.
4, oil dredge shearing sealing blowout preventer as claimed in claim 1, it is characterized in that, described driving mechanism is hydraulic cylinder or cylinder, and this hydraulic cylinder or cylinder are located at the afterbody of described left flashboard and right flashboard, and described flashboard afterbody is connected with the piston rod of each self-corresponding hydraulic cylinder or cylinder.
5, oil dredge shearing sealing blowout preventer as claimed in claim 5, it is characterized in that the afterbody of described hydraulic cylinder or cylinder is provided with the locking push rod, after described left and right cutting knife is finished closed the shearing, the locking push rod leans on described piston, and described left flashboard and right flashboard are kept closed.
6, oil dredge shearing sealing blowout preventer as claimed in claim 1, it is characterized in that, the cross section of described left flashboard and right flashboard is circular, is provided with guiding mechanism between the housing that described left flashboard and right flashboard and its assembled, and this guiding mechanism is used to prevent that described left flashboard and right flashboard from rotating.
7, oil dredge shearing sealing blowout preventer as claimed in claim 1, it is characterized in that, wire rope stretches out by the centre bore of described adpting flange, described adpting flange is provided with resistance rope push rod, between this resistance rope push rod and the described adpting flange for being threaded, precession resistance rope push rod can lean wire rope on the inwall of centre bore in described adpting flange, thereby stops the activity of wire rope.
8, oil dredge shearing sealing blowout preventer as claimed in claim 7 is characterized in that, the bottom of described centre bore is provided with the wire rope fairlead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100798699A CN101498201A (en) | 2009-03-13 | 2009-03-13 | Oil dredge shearing sealing blowout preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100798699A CN101498201A (en) | 2009-03-13 | 2009-03-13 | Oil dredge shearing sealing blowout preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101498201A true CN101498201A (en) | 2009-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100798699A Pending CN101498201A (en) | 2009-03-13 | 2009-03-13 | Oil dredge shearing sealing blowout preventer |
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| CN (1) | CN101498201A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107075930A (en) * | 2014-10-20 | 2017-08-18 | 环球油田机械公司 | Compact diced system and method |
| CN108758345A (en) * | 2018-06-21 | 2018-11-06 | 江苏中船海洋设备有限公司 | It far controls and distant opens automatic start-stop blowout preventing control apparatus |
| CN110952943A (en) * | 2019-11-25 | 2020-04-03 | 中国海洋石油集团有限公司 | Guiding device for well control and using method thereof |
| CN111201366A (en) * | 2018-04-03 | 2020-05-26 | 动压控制有限责任公司 | Dynamic shear ram for well pressure control device |
| CN111764860A (en) * | 2013-06-14 | 2020-10-13 | 因诺威特系统有限公司 | Wellbore control apparatus and method of maintaining the same |
| CN114396241A (en) * | 2022-03-28 | 2022-04-26 | 四川新为橡塑有限公司 | Double-layer sealed spherical rubber core and annular blowout preventer |
| CN117072107A (en) * | 2023-10-16 | 2023-11-17 | 盐城市佳鑫石化机械制造有限公司 | Blowout preventer for oil well construction |
-
2009
- 2009-03-13 CN CNA2009100798699A patent/CN101498201A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764860A (en) * | 2013-06-14 | 2020-10-13 | 因诺威特系统有限公司 | Wellbore control apparatus and method of maintaining the same |
| CN107075930A (en) * | 2014-10-20 | 2017-08-18 | 环球油田机械公司 | Compact diced system and method |
| CN107075930B (en) * | 2014-10-20 | 2020-09-25 | 环球油田机械公司 | Compact cutting system and method |
| CN111201366A (en) * | 2018-04-03 | 2020-05-26 | 动压控制有限责任公司 | Dynamic shear ram for well pressure control device |
| CN108758345A (en) * | 2018-06-21 | 2018-11-06 | 江苏中船海洋设备有限公司 | It far controls and distant opens automatic start-stop blowout preventing control apparatus |
| CN110952943A (en) * | 2019-11-25 | 2020-04-03 | 中国海洋石油集团有限公司 | Guiding device for well control and using method thereof |
| CN114396241A (en) * | 2022-03-28 | 2022-04-26 | 四川新为橡塑有限公司 | Double-layer sealed spherical rubber core and annular blowout preventer |
| CN114396241B (en) * | 2022-03-28 | 2022-06-10 | 四川新为橡塑有限公司 | Double-layer sealed spherical rubber core and annular blowout preventer |
| CN117072107A (en) * | 2023-10-16 | 2023-11-17 | 盐城市佳鑫石化机械制造有限公司 | Blowout preventer for oil well construction |
| CN117072107B (en) * | 2023-10-16 | 2024-01-26 | 盐城市佳鑫石化机械制造有限公司 | Blowout preventer for oil well construction |
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Application publication date: 20090805 |