CN107558944A - A kind of oil top driving device and inner blowout preventer drive assembly - Google Patents
A kind of oil top driving device and inner blowout preventer drive assembly Download PDFInfo
- Publication number
- CN107558944A CN107558944A CN201710954293.0A CN201710954293A CN107558944A CN 107558944 A CN107558944 A CN 107558944A CN 201710954293 A CN201710954293 A CN 201710954293A CN 107558944 A CN107558944 A CN 107558944A
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- China
- Prior art keywords
- guide sleeve
- blowout preventer
- inner blowout
- cam
- drive assembly
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Abstract
The present invention relates to a kind of inner blowout preventer drive assembly, including inner blowout preventer, cock is provided with inner blowout preventer, in addition to：Be sheathed on inner blowout preventer it is cylindrical on, and the guide sleeve that can be moved up and down, guide sleeve position corresponding with cock offers operation window, and the cylindrical sealing of the top and bottom of guide sleeve with inner blowout preventer coordinates；Be embedded with a cam, the outer wall of cam and the inwall positive of operation window in each operation window, each cam by connecting rod with and itself corresponding cock be fixedly connected in the circumferential；Be connected on guide sleeve, for by cam closing in the cam cover in operation window；The drive device that driving guide sleeve is moved up and down.The structure of convexity wheel drive of the present invention is simple, and bulk strength is high, can bear larger active force；It effectively prevent the pollutants such as drilling fluid, mud and significantly extend maintenance period into cam inside, improve drilling well operating efficiency and security.The invention further relates to a kind of oil top driving device.
Description
Technical field
The present invention relates to oil-well drilling equipment production technical field, more particularly to a kind of oil top driving device and inner blowout preventer
Drive assembly.
Background technology
Oil top driving device referred to as " top driving device " or " driving on top ", it is the stone for substituting rotating disk to provide rotary power that top, which is driven,
Oily drilling equipment, with increasing for Holes of Complicated Wells during oil-gas exploration and development and deep-well, the demand that market is driven to top is increasingly compeled
Cut, while driving commonly used drilling well on top, the functional reliability that market is driven to top proposes higher requirement.
Driven on top in drilling process to take precautions against blowout well kick, following supporting setting inner blowout preventer must be driven on top (referred to as
IBOP), inner blowout preventer drive assembly is to realize the critical component that IBOP is automatically controlled, it is therefore desirable to which inner blowout preventer drive assembly expires
Work high reliability is driven on foot top to be needed, and ensures that IBOP carries out accurately opening and closing operation.
The structure of common inner blowout preventer drive assembly has two kinds at present, and one kind is shipped and resell on another market rotation with crank handle turns；In addition
One kind is to drive rotation of shipping and reselling on another market by rack-and-pinion.Both the above structure directly participates in the mechanism of driving preventer cock relatively
For complexity, working, involved part is more, and particularly crank handle turns are shipped and resell on another market due to being limited by installing space, core driving zero
Part small volume, part maximum machine intensity are restricted, bear preventer meet an urgent need operating mode under driving work in stress compared with
For weakness, reliability has an obvious deficiency, and crank and the core part life-span such as ship and resell on another market also are affected.In other above two structure
The parts for directly driving preventer cock are opening-wide states to external environment, and it is weaker to resist the ability of extraneous mud and dirt,
Such as drillng operation is driven when making a trip in top, because shaft bottom mud gushing out in tool joint, and top drive washing pipe failure and cause mud
Leakage of slurry etc., can all there is the leaching of the dirts such as mud to splash in preventer drive assembly, such as handling not in time all can be to drive assembly
Have adverse effect on, these influence include to drive assembly produce abrasion, produce clamping stagnation the problems such as.
The content of the invention
In order to lift the reliability of drive assembly work, ensure that inner blowout preventer timely opens and closes, the present invention
On the one hand a kind of inner blowout preventer drive assembly, including inner blowout preventer are provided, the inner blowout preventer is spaced 180 ° and set in the circumferential
It is equipped with two cocks for being used to drive valve body folding, it is characterised in that also include：
Be sheathed on the inner blowout preventer it is cylindrical on, and can be along the guide sleeve axially to move up and down of the preventer, institute
State guide sleeve position corresponding with the cock and offer operation window, and the top and bottom of the guide sleeve with it is described interior
The cylindrical sealing of preventer coordinates；
A cam, the interior wall-shaped of the outer wall of the cam and the operation window are embedded with each operation window
Face coordinates, each cam by connecting rod with and itself corresponding cock be fixedly connected in the circumferential, led described
When being moved up and down to set, two cams are under the drive of the operation window around the axis synchronous rotary of the connecting rod；
Be connected on the guide sleeve, for by the cam closing in the cam cover in the operation window；
The drive device for driving the guide sleeve to be moved up and down.
Preferably, in addition to：
It is sheathed on outside the guide sleeve, and the mounting bracket that can be rotated relative to the guide sleeve；
The circumferential groove in its end portion being opened on the guide sleeve；
It is arranged in the annular groove, and the tumbler that can be rotated relative to the circumferential groove in its end portion, the tumbler have
Multiple power intakes for drive device connection, circumference of the power intake along the guide sleeve are uniformly distributed；
Wherein,
The drive device is the piston cylinder being correspondingly arranged with the power intake, and the cylinder body of the piston cylinder is fixed on
On the mounting bracket, piston rod is connected with the power intake.
Preferably, the tumbler is the multiple roll wheel assemblies being arranged in the circumferential chute, each described roller
The support shaft of component forms a power intake.
Preferably, the tumbler is the slip ring in the embedded circumferential chute, is extended radially on the slip ring multiple
The power intake.
Preferably, the mounting bracket is fastened by symmetrical two semicylindrical bodies and formed, any one of semicylindrical body
Top and bottom are provided with half flange, and half flange of two semicylindrical body upper ends is connected to same upper flanges disk altogether
On, half flange of two semicylindrical body lower ends is connected on same lower end ring flange altogether.
Preferably, between the upper end of the guide sleeve and the inner blowout preventer are cylindrical, and the lower end of the guide sleeve with
Sealed between the inner blowout preventer is cylindrical by O-ring seal.
Preferably, between the upper end of the guide sleeve and the inner blowout preventer are cylindrical, and the lower end of the guide sleeve with
Wear ring is provided between the inner blowout preventer is cylindrical, the wear ring is set close to the O-ring seal.
Preferably, the guide sleeve includes guide sleeve body and is bolted to the guide sleeve of the guide sleeve body lower end
End cap, seal is provided between the guide sleeve end cap and the guide sleeve body, the O positioned at the guide sleeve lower end
Type sealing ring be arranged on the guide sleeve end cap and the inner blowout preventer it is cylindrical between.
Preferably, the connecting rod and the cam are integral type structure, and the cross section of the connecting rod is polygon, described
The spliced eye being adapted to the connecting rod cross sectional shape is provided with cock, the connecting rod is plugged in the spliced eye in the cock
It is interior.
Another aspect of the present invention additionally provides a kind of oil top driving device, including inner blowout preventer, and for driving in described
The drive assembly that preventer opens and closes, the drive assembly are that the inner blowout preventer driving disclosed in above-mentioned any one is total
Into.
As can be seen from the above technical solutions, disclosed in this invention inner blowout preventer drive assembly, set on guide sleeve
Put operation window, and make the inwall of operation window and the outer wall positive of cam, cam by connecting rod with and itself is corresponding
Cock be fixedly connected in the circumferential, drive device driving guide sleeve moved up and down when, two cams are in the work
Around the axis synchronous rotary of connecting rod under the drive of window, so as to reach the purpose for being turned on and off preventer ball valve；Compared to existing
For having the type of drive in technology, the structure of actuated by cams is simpler, and bulk strength is higher, can bear bigger effect
Power；Simultaneously as the top and bottom of guide sleeve coordinate with the cylindrical sealing of inner blowout preventer, cause after cooperation cam cover convex
Wheel is operated in the environment of a sealing, be effectively prevent the pollutants such as drilling fluid, mud and is entered inside cam, ensure that cam
And the stability of guide sleeve work, maintenance period is significantly extended, improves drilling well operating efficiency and security.
Brief description of the drawings
Fig. 1 is the half-section diagram of the inner blowout preventer drive assembly disclosed in the embodiment of the present invention；
Fig. 2 is the exploded perspective view of the inner blowout preventer drive assembly disclosed in the embodiment of the present invention.
Wherein, 1 is inner blowout preventer, and 2 be semicylindrical body, and 3 be upper flanges disk, and 4 be piston cylinder, and 5 be O-ring seal, and 6 are
Guide sleeve, 7 be wear ring, and 8 be roll wheel assembly, and 9 be cam cover, and 10 be right cam, and 11 be left cam, and 12 be seal, 13
It is lower end ring flange for guide sleeve end cap, 14,21 be half flange, and 601 be operation window, and 602 be circumferential groove in its end portion, and 1001 be six sides
Boss.
Embodiment
One of core of the present invention is to provide a kind of inner blowout preventer drive assembly, so as in time and accurately open and
Close inner blowout preventer, ensure the security of drilling well work, and seek to simplify the structure of inner blowout preventer drive assembly, reduce production and
Maintenance cost.
Another core of the present invention is to provide a kind of oil top driving device using above-mentioned inner blowout preventer drive assembly.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Accompanying drawing 1 and accompanying drawing 2 are please also refer to, the inner blowout preventer drive assembly disclosed in the present embodiment includes inner blowout preventer
1st, guide sleeve 6, cam, cam cover 9 and drive device, inner blowout preventer 1 is spaced 180 ° and is provided with two in the circumferential to be used for
The cock of ball valve folding in inner blowout preventer 1 is driven, the tap structure can clearly be shown in fig. 2, and guide sleeve 6 is arranged
Inner blowout preventer 1 it is cylindrical on, guide sleeve 6 can move up and down along the axial direction of preventer, and corresponding with cock on guide sleeve 6
Position offer operation window 601, because cock includes two, therefore 180 ° are also spaced on guide sleeve 6 and symmetrically offers two
Individual operation window 601, the top and bottom of guide sleeve 6 coordinate with the cylindrical sealing of inner blowout preventer 1；
A cam is embedded with each operation window 601, by taking the diagram in Fig. 1 and Fig. 2 as an example, when in face of Fig. 1 and Fig. 2
When, the cam on the left of reader is defined as left cam 11, and the cam on the right side of reader is defined as right cam 10, left cam 11
With the outer wall inwall positive with operation window 601, and each cam is by connecting rod and and certainly respectively of right cam 10
Cock is fixedly connected in the circumferential corresponding to body, and when guide sleeve 6 moves up and down, left cam 11 and right cam 10 are in operation window
Around the axis synchronous rotary of connecting rod under 601 drive, so as to drive cock to rotate, realize the ball valve of inner blowout preventer 1 unlatching or
Close, it is necessary to illustrate, the shape of cam and the shape of operation window 601 need to carry out adaptability according to movement locus
Design, those skilled in the art can be designed that suitable positive mode with currently known theory of mechanics knowledge, this
The design process in type face is no longer repeated in inventive embodiments, as shown in Figure 2, the cam in the embodiment of the present invention is substantially
In peach heart shaped, operation window 601 is overall rectangular, and four corners position does arc angling, peach heart shaped cam by two sections of symmetrical side arcs,
The top arc of two sections of side arcs of connection and the straightway composition for connecting two sections of sides arc bottom, band of the cam in operation window 601
Dynamic lower rotation, when the top arc of cam is against the arc angling position of operation window 601, cam can not continue to rotate, this
When reach rotation extreme position；
Cam cover 9 is connected on guide sleeve 6, it is preferred that and it is bolt connection between cam cover 9 and guide sleeve 6, cam
Cover plate 9 is used for by cam closing in operation window 601, as shown in fig. 1；
Drive device can be set directly on inner blowout preventer 1, so as to follow inner blowout preventer 1 to rotate；It can also pass through
Other mechanisms are set to be installed for drive device in addition, drive device does not rotate with inner blowout preventer 1, and drive device acts predominantly on
Moved up and down in driving guide sleeve 6.
As can be seen from the above technical solutions, the inner blowout preventer drive assembly disclosed in above-described embodiment, in guide sleeve 6
Upper setting operation window 601, and makes the inwall of operation window 601 and the outer wall positive of cam, cam by connecting rod with
Cock corresponding with itself is fixedly connected in the circumferential, when drive device driving guide sleeve 6 is moved up and down, two cams
Around the axis synchronous rotary of connecting rod under the drive of the operation window 601, preventer ball valve is turned on and off so as to reach
Purpose；For type of drive of the prior art, the structure of actuated by cams is simpler, and bulk strength is higher, can
Bear bigger active force；Simultaneously as the top and bottom of guide sleeve 6 coordinate with the cylindrical sealing of inner blowout preventer 1, coordinate
After cam cover 9 cause cam work one sealing environment in, effectively prevent the pollutants such as drilling fluid, mud enter it is convex
Wheel is internal, ensure that the stability that cam and guide sleeve 6 work, significantly extends maintenance period, improves drilling well work effect
Rate and security.
Need to illustrate, " upper end " and " lower end " in the embodiment of the present invention is using shape with inner blowout preventer 1
What position relationship during state was defined, inner blowout preventer 1 is " lower end " close to the one end on ground in use state, in addition one
Hold as " upper end ", " upper end " and " lower end " of other each parts is equally to define in this way.
In order to further optimize the technical scheme in above-described embodiment, present invention also offers a kind of preferable scheme,
In the program, in addition to mounting bracket and tumbler, Fig. 1 and Fig. 2 are refer to, mounting bracket is set in outside guide sleeve 6, and is installed
Frame can rotate relative to guide sleeve 6, and the upper end of guide sleeve 6 is further opened with circumferential groove in its end portion 602, and tumbler is rotatably arranged in week
Into annular groove 602, and tumbler also has multiple power intakes for drive device connection, and power intake should be along leading
It is uniformly distributed to the circumference of set 6, so that the uniform force during up and down motion of guide sleeve 6, avoids the run-off the straight card of guide sleeve 6
Extremely；Drive device can select piston cylinder 4, such as oil cylinder or cylinder, and by taking oil cylinder as an example, the cylinder body of oil cylinder is fixedly installed on installation
On frame, piston rod is connected with power intake.
The power of cylinder piston rod will be transmitted to powered rotation part, and tumbler will follow piston rod to be moved up and down, by
Guide sleeve 6 is axially relative in tumbler to fix, therefore guide sleeve 6 realizes up and down motion under the drive of tumbler,
And rotated eventually through operation window 601 with moving cam, realize the opening and closing of the ball valve of inner blowout preventer 1；And work as top driving device
During operation, guide sleeve 6 rotates with preventer with main shaft, and now, tumbler rotates relative to circumferential groove in its end portion 602, peace
Shelve and produced relative rotation with guide sleeve 6, therefore mounting bracket can not be with main axis with the oil cylinder being arranged on mounting bracket.
Certainly, the set-up mode of tumbler is also not limited to one kind, such as by tumbler can be to be arranged on circumferential cunning
Institute is public in multiple roll wheel assemblies 8 in groove, support shaft one power intake of composition of each roll wheel assembly 8, Fig. 1 and Fig. 2
Specifically two roll wheel assemblies 8 are provided with the scheme opened.
Tumbler can also be the slip ring in embedded circumferential chute, and multiple power intakes are extended radially on slip ring, but
Be, due to being sliding friction between slip ring and chute, compared to the roll wheel assembly 8 in above-described embodiment, the frictional force of slip ring compared with
Greatly, thus this kind of mode energy consumption it is comparatively higher.
Convenience during in view of producing, installing and safeguard, the mounting bracket in the present embodiment is specifically by symmetrical two and half
Cylinder 2, which fastens, to be formed, and the top and bottom of any one semicylindrical body 2 are provided with half flange 21, on two semicylindrical bodies 2
Half flange 21 at end is commonly connected on same upper flanges disk 3, and half flange 21 of two lower ends of semicylindrical body 2 connects jointly
In on same lower end ring flange 14, as shown in Figures 1 and 2, upper flanges disk 3 is used to fix with top refoulement rotary head.
The top and bottom of guide sleeve 6 and inner blowout preventer 1 it is cylindrical between sealing realized by O-ring seal 5, please
With reference to figure 1 and Fig. 2, between the upper end of guide sleeve 6 and the cylindrical of inner blowout preventer 1, and the lower end of guide sleeve 6 and inner blowout preventer 1
Sealed between cylindrical by O-ring seal 5.Move up and down caused abrasion in view of guide sleeve 6, and the present embodiment is also made
Further optimization, between cylindrical in the upper end of guide sleeve 6 and inner blowout preventer 1, and the lower end of guide sleeve 6 with outside inner blowout preventer 1
Wear ring 7 is provided between circle, wear ring 7 is set close to O-ring seal 5.
Guide sleeve 6 specifically includes guide sleeve body and is bolted to the guide sleeve end cap 13 of guide sleeve body lower end, leads
Seal 12 is additionally provided between set end cap 13 and guide sleeve body, the seal 12 can use O-ring seal 5, positioned at leading
To set 6 lower ends O-ring seal 5 be arranged on guide sleeve end cap 13 and inner blowout preventer 1 it is cylindrical between, with avoid pollutant enter lead
To the inside of set 6.
As shown in Figure 2, as preferable, connecting rod and cam be integral type structure, and the cross section of connecting rod is polygon, are revolved
The spliced eye being adapted to connecting rod cross sectional shape is provided with beyond the Great Wall, and connecting rod is plugged in the spliced eye in cock, to drive cock to revolve
Turn.Connecting rod shown in Fig. 2 is six side's boss 1001, and accordingly, spliced eye should also be as hexagon spliced eye.
Oil top driving device disclosed in the embodiment of the present invention, including inner blowout preventer 1, and for driving inner blowout preventer 1
The drive assembly of opening and closing, and inner blowout preventer driving of the drive assembly disclosed in above-mentioned any one embodiment is total
Into.
As a result of the above-mentioned drive assembly of inner blowout preventer 1, therefore the oil top driving device has above-mentioned inner blowout preventer 1 concurrently and driven
The corresponding technological merit of dynamic assembly, is no longer repeated this herein.
Oil top driving device provided by the present invention and inner blowout preventer drive assembly are described in detail above.Herein
In apply specific case to the present invention principle and embodiment be set forth, the explanation of above example is only intended to help
Assistant solves the method and its core concept of the present invention.It should be pointed out that for those skilled in the art, not
On the premise of departing from the principle of the invention, some improvement and modification can also be carried out to the present invention, these are improved and modification is also fallen into
In the protection domain of the claims in the present invention.
Claims (10)
1. a kind of inner blowout preventer drive assembly, including inner blowout preventer (1), the inner blowout preventer (1) is spaced 180 ° in the circumferential and set
It is equipped with two cocks for being used to drive valve body folding, it is characterised in that also include：
Be sheathed on the inner blowout preventer (1) it is cylindrical on, and can along the guide sleeve (6) axially to move up and down of the preventer,
The guide sleeve (6) position corresponding with the cock offers operation window (601), and the upper end of the guide sleeve (6) and
Lower end coordinates with the cylindrical sealing of the inner blowout preventer (1)；
A cam, the outer wall of the cam and the operation window (601) are embedded with each operation window (601)
Inwall positive, each cam by connecting rod with and itself corresponding cock be fixedly connected in the circumferential,
When the guide sleeve (6) moves up and down, two cams are under the drive of the operation window (601) around the axle of the connecting rod
Line locking rotates；
Be connected on the guide sleeve (6), for by the cam closing in the cam cover in the operation window (601)
(9)；
The drive device for driving the guide sleeve (6) to be moved up and down.
2. inner blowout preventer drive assembly according to claim 1, it is characterised in that also include：
It is sheathed on the guide sleeve (6) outside, and the mounting bracket that can be rotated relative to the guide sleeve (6)；
The circumferential groove in its end portion (602) being opened on the guide sleeve (6)；
It is arranged in the annular groove, and the tumbler that can be rotated relative to the circumferential groove in its end portion (602), the tumbler have
Multiple power intakes for drive device connection, circumference of the power intake along the guide sleeve (6) are uniformly distributed；
Wherein,
The drive device is the piston cylinder (4) being correspondingly arranged with the power intake, and the cylinder body of the piston cylinder (4) is fixed
In on the mounting bracket, piston rod is connected with the power intake.
3. inner blowout preventer drive assembly according to claim 2, it is characterised in that the tumbler is to be arranged on the week
Multiple roll wheel assemblies (8) into chute, the support shaft of each roll wheel assembly (8) form a power input
End.
4. inner blowout preventer drive assembly according to claim 2, it is characterised in that the tumbler is the embedded circumference
Slip ring in chute, multiple power intakes are extended radially on the slip ring.
5. inner blowout preventer drive assembly according to claim 2, it is characterised in that the mounting bracket is by symmetrical two and half
Cylinder (2), which fastens, to be formed, and the top and bottom of any one of semicylindrical body (2) are provided with half flange (21), two
Half flange (21) of semicylindrical body (2) upper end is connected on same upper flanges disk (3) altogether, two semicylindrical bodies
(2) half flange (21) of lower end is connected on same lower end ring flange (14) altogether.
6. inner blowout preventer drive assembly according to claim 1, it is characterised in that the upper end of the guide sleeve (6) and institute
State inner blowout preventer (1) it is cylindrical between, and the lower end of the guide sleeve (6) and the inner blowout preventer (1) it is cylindrical between pass through O
Type sealing ring (5) seals.
7. inner blowout preventer drive assembly according to claim 6, it is characterised in that the upper end of the guide sleeve (6) and institute
State inner blowout preventer (1) it is cylindrical between, and the lower end of the guide sleeve (6) and the inner blowout preventer (1) it is cylindrical between be respectively provided with
There is wear ring (7), the wear ring (7) is set close to the O-ring seal (5).
8. inner blowout preventer drive assembly according to claim 6, it is characterised in that the guide sleeve (6) includes guide sleeve
Body and the guide sleeve end cap (13) for being bolted to the guide sleeve body lower end, the guide sleeve end cap (13) are led with described
Seal (12) is provided between set body, the O-ring seal (5) positioned at the guide sleeve (6) lower end is arranged on institute
State guide sleeve end cap (13) and the inner blowout preventer (1) it is cylindrical between.
9. according to the inner blowout preventer drive assembly described in claim 1-8 any one, it is characterised in that the connecting rod with it is described
Cam is integral type structure, and the cross section of the connecting rod is polygon, is provided with the cock and connecting rod section shape
The spliced eye of shape adaptation, the connecting rod are plugged in the spliced eye in the cock.
10. a kind of oil top driving device, including inner blowout preventer (1), and opened and closed for driving the inner blowout preventer (1)
Drive assembly, it is characterised in that the drive assembly is total for the inner blowout preventer driving as described in claim 1-9 any one
Into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710954293.0A CN107558944A (en) | 2017-10-13 | 2017-10-13 | A kind of oil top driving device and inner blowout preventer drive assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710954293.0A CN107558944A (en) | 2017-10-13 | 2017-10-13 | A kind of oil top driving device and inner blowout preventer drive assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107558944A true CN107558944A (en) | 2018-01-09 |
Family
ID=60985716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710954293.0A Pending CN107558944A (en) | 2017-10-13 | 2017-10-13 | A kind of oil top driving device and inner blowout preventer drive assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107558944A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065265A (en) * | 2020-09-11 | 2020-12-11 | 四川昆仑石油设备制造有限公司 | Control structure of top drive device |
| CN112943149A (en) * | 2021-01-22 | 2021-06-11 | 四川宏华石油设备有限公司 | Top drive internal blowout preventer switching device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5388651A (en) * | 1993-04-20 | 1995-02-14 | Bowen Tools, Inc. | Top drive unit torque break-out system |
| CN2635900Y (en) * | 2003-08-15 | 2004-08-25 | 中国石油天然气股份有限公司 | Top driving inner blowout preventer controller |
| CN201078186Y (en) * | 2007-09-12 | 2008-06-25 | 天津瑞灵石油设备有限公司 | Drive unit of drill top drive trench shaft bearing inside blow-out preventer |
| US20110226485A1 (en) * | 2010-03-11 | 2011-09-22 | National Oilwell Varco, L.P. | Dual ball upper internal blow out preventer valve |
| CN102561964A (en) * | 2012-01-05 | 2012-07-11 | 焦作锦标机械制造有限公司 | Driving device assembly of mud pump valve |
| CN103643890A (en) * | 2013-12-20 | 2014-03-19 | 黄永治 | Top driving equipment |
| CN204212737U (en) * | 2014-10-21 | 2015-03-18 | 中国石油天然气集团公司 | Blowout prevention valve control device is driven on a kind of rack-driving anti-loosing type top |
| CN106639959A (en) * | 2017-03-23 | 2017-05-10 | 成都齐力派卓科技有限公司 | Blowout preventer actuator and blowout preventer |
| CN207363636U (en) * | 2017-10-13 | 2018-05-15 | 北京中车重工机械有限公司 | A kind of oil top driving device and inner blowout preventer drive assembly |
-
2017
- 2017-10-13 CN CN201710954293.0A patent/CN107558944A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5388651A (en) * | 1993-04-20 | 1995-02-14 | Bowen Tools, Inc. | Top drive unit torque break-out system |
| CN2635900Y (en) * | 2003-08-15 | 2004-08-25 | 中国石油天然气股份有限公司 | Top driving inner blowout preventer controller |
| CN201078186Y (en) * | 2007-09-12 | 2008-06-25 | 天津瑞灵石油设备有限公司 | Drive unit of drill top drive trench shaft bearing inside blow-out preventer |
| US20110226485A1 (en) * | 2010-03-11 | 2011-09-22 | National Oilwell Varco, L.P. | Dual ball upper internal blow out preventer valve |
| CN102561964A (en) * | 2012-01-05 | 2012-07-11 | 焦作锦标机械制造有限公司 | Driving device assembly of mud pump valve |
| CN103643890A (en) * | 2013-12-20 | 2014-03-19 | 黄永治 | Top driving equipment |
| CN204212737U (en) * | 2014-10-21 | 2015-03-18 | 中国石油天然气集团公司 | Blowout prevention valve control device is driven on a kind of rack-driving anti-loosing type top |
| CN106639959A (en) * | 2017-03-23 | 2017-05-10 | 成都齐力派卓科技有限公司 | Blowout preventer actuator and blowout preventer |
| CN207363636U (en) * | 2017-10-13 | 2018-05-15 | 北京中车重工机械有限公司 | A kind of oil top driving device and inner blowout preventer drive assembly |
Non-Patent Citations (1)
| Title |
|---|
| 陈朝达: "顶部驱动钻井装置(二)", 石油矿场机械, no. 04, pages 58 - 59 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065265A (en) * | 2020-09-11 | 2020-12-11 | 四川昆仑石油设备制造有限公司 | Control structure of top drive device |
| CN112943149A (en) * | 2021-01-22 | 2021-06-11 | 四川宏华石油设备有限公司 | Top drive internal blowout preventer switching device |
| CN112943149B (en) * | 2021-01-22 | 2022-05-03 | 四川宏华石油设备有限公司 | Top drive internal blowout preventer switching device |
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