CN105863550B - Side door of blowout preventer and the interchangeable preventer of left and right side door - Google Patents
Side door of blowout preventer and the interchangeable preventer of left and right side door Download PDFInfo
- Publication number
- CN105863550B CN105863550B CN201610497624.8A CN201610497624A CN105863550B CN 105863550 B CN105863550 B CN 105863550B CN 201610497624 A CN201610497624 A CN 201610497624A CN 105863550 B CN105863550 B CN 105863550B
- Authority
- CN
- China
- Prior art keywords
- oilhole
- side door
- leak
- door
- blowout preventer
- 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.)
- Active
Links
- 239000012530 fluid Substances 0.000 claims abstract description 43
- 238000009826 distribution Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 14
- 230000002265 prevention Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000010720 hydraulic oil Substances 0.000 description 12
- 239000003921 oil Substances 0.000 description 6
- 230000005484 gravity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- JZUFKLXOESDKRF-UHFFFAOYSA-N Chlorothiazide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC2=C1NCNS2(=O)=O JZUFKLXOESDKRF-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
- E21B33/061—Ram-type blow-out preventers, e.g. with pivoting rams
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Closures For Containers (AREA)
- Hinges (AREA)
Abstract
The invention discloses side door of blowout preventer and the interchangeable preventer of left and right side door, which includes side door ontology（30）, side door ontology（30）In offer side door endoporus（31）With fluid cylinder slot（32）, side door ontology（30）Upper end have hinge connection portion（33）, hinge connection portion（33）Upper offer respectively extends to fluid cylinder slot from the top down（32）The first oilhole（333）With the second oilhole（334）, fluid cylinder slot（32）On offer and the first oilhole（333）Oilhole in the first of connection（337）, fluid cylinder slot（32）Outside be further opened with and the first oilhole（333）First outer oilhole of connection（335）, fluid cylinder slot（32）On offer and the second oilhole（334）Oilhole in the second of connection（338）, fluid cylinder slot（32）Outside be further opened with and the second oilhole（334）Second outer oilhole of connection（336）；First outer oilhole（335）With the second outer oilhole（336）Symmetrical distribution.Rotarily open the ram preventer of side door using after the side door of blowout preventer, it can be achieved that the exchange of left and right side door, reduces production cost.
Description
Technical field
The device more particularly to side door of blowout preventer that the present invention relates to a kind of in drilling well for sealing or insulating wellbore or well
And the interchangeable preventer of left and right side door.
Background technology
Blowout preventer for hydraulic pressure gate is the important component of well control device, is classified according to flashboard number, and it is anti-can to be divided into single disc
Spray apparatus, double ram type preventer and triple ram preventer；According to flashboard Shape Classification, can blind rams preventer, half envelope flashboard it is anti-
Spray apparatus, shearing envelope ram preventer and variable bore ram preventer.The basic structure of ram preventer generally includes shell, side door,
Side door bolt, fluid cylinder, cylinder cap, piston component, fluid cylinder bolt and flashboard.
In the world, side door of blowout preventer structure is mainly with CAMERON companies of the U.S., SHAFFER companies of the U.S. and the U.S.
The product of HYDRIL companies is representative.In addition to CAMERON companies make left and right side door knot due to opening side door using hydraulic linear
Structure is completely the same and can realize that exchange is outer, other two companies, which are all made of, to rotarily open side door and cannot achieve left and right side door
It exchanges.
Therefore, technological deficiency of the existing technology is：The ram preventer of side door is rotarily opened, left and right side door can not
It is used interchangeably, causes to increase because the product design period is long, machining cycle is long, technological process is cumbersome, inspection project is more, matter
The production cost brought more than amount control cost height, inventory etc..
Invention content
In view of this, in order to solve the defects of prior art, the present invention provides one kind left-right universal on ram preventer
Side door of blowout preventer and the interchangeable preventer of left and right side door, to reduce production and the maintenance cost of preventer.
In order to achieve the above object, present invention firstly provides a kind of side door of blowout preventer, including side door ontology, the side door sheets
Side door endoporus and fluid cylinder slot are offered in body, the upper end of the side door ontology has hinge connection portion, it is characterised in that：The hinge
The first oilhole and the second oilhole for extending to the fluid cylinder slot from the top down are offered in chain link portion respectively, on the fluid cylinder slot
Oilhole in first be connected to first oilhole is offered, is further opened on the outside of the fluid cylinder slot and connects with first oilhole
The first logical outer oilhole offers oilhole in second be connected to second oilhole on the fluid cylinder slot, the fluid cylinder slot
Outside is further opened with the second outer oilhole being connected to second oilhole；The first outer oilhole and the described second outer oilhole or so
It is symmetrical.
Preferably, oilhole in described first, the first outer oilhole, oilhole and the second outer oilhole are equal in described second
Equipped with the internal thread for connecting sealing element.
Wherein, the side door of blowout preventer further includes：Close wherein one of oilhole and the first outer oilhole in described first
A first seal, the second seal of one of oilhole and described second outer oilhole in closing described second.
In a particular embodiment, the first seal and the second seal are silk plugs.
Preferably, the left and right sides of the side door ontology also offers the first leakage being connected to the side door endoporus respectively
Hole and the second leak, the outer end of first leak are equipped with the first threaded hole being connected to outside, second leak
Outer end be equipped with and external the second threaded hole being connected to.
Preferably, the left and right directions of first leak and second leak respectively all along the side door ontology prolongs
It stretches, first leak and the symmetrical distribution of the second leak, first threaded hole and second threaded hole
Symmetrical difference.In one embodiment, first leak and second leak are located on same center line.
More specifically, the same center line passes through the center of side door endoporus.
The side door of blowout preventer further includes：Close off two leakages of first threaded hole and second threaded hole
Hole silk plug is provided with through-hole on the leak silk plug described in one of them.
The present invention also provides a kind of interchangeable preventers of left and right side door, including：Shell is rotated by a hinge seat and is connected
The offside door being connected on the right side of the shell, and the offside door on the left of the shell is rotatably connected on by another hinge seat,
It is characterized in that：The offside door and the offside door all use above-mentioned side door of blowout preventer, the offside door and the right side respectively
Side door is symmetrical.
Wherein, when the side door of blowout preventer is as the offside door, oil in the first outer oilhole closing and described second
It closes in hole；When the side door of blowout preventer is as the offside door, oilhole and the second outer oilhole closing in described first.
The left and right sides of the side door ontology also offers the first leak being connected to the side door endoporus and respectively
Two leaks, the outer end of first leak are equipped with the first threaded hole being connected to outside, the outer end of second leak
Equipped with the second threaded hole being connected to outside；When the side door of blowout preventer is as the offside door, first threaded hole is opened
Mouth upward and is connected with the closing of leak silk plug, second threaded hole opening down and is connected with the leak silk with through-hole
It is stifled；When the side door of blowout preventer is as the offside door, second threaded hole opening up and it is connected with leak silk plug
Closing, first threaded hole opening down and is connected with the leak silk plug with through-hole.
Due to using the technology described above, side door of blowout preventer of the invention can be used as offside door, it is also possible to make offside door,
It is very convenient, solve the problems, such as that preventer or so side door can not exchange in the prior art, greatly reduce side door of blowout preventer
Production cost and production cycle, and the side door of blowout preventer need not also divide or so when mounted, it is easy for installation, by corresponding
Interior oilhole, outer oilhole is closed just can serve as offside door or offside door.Due to side door of blowout preventer using the above structure,
Side door interchangeable preventer in left and right provided by the invention solves in the prior art using in the preventer for rotarily opening side door
The problem of left and right side door can not exchange, easier for installation, maintenance cost is lower.
Description of the drawings
Fig. 1 is the front view of side door of blowout preventer of the present invention.
Fig. 2 is the diagrammatic cross-section of side door interchangeable preventer in left and right of the present invention.
Fig. 3 is the stereogram that side door interchangeable preventer in left and right of the present invention is observed in right side perspective.
Fig. 4 is the stereogram that side door interchangeable preventer in left and right of the present invention is observed in left side perspective.
In attached drawing：10- shells, 20- hinge seats, 30- side door ontologies, 31- side door endoporus, 32- fluid cylinder slots, 33- hinges connect
Socket part, 300- offside doors, 40- side door bolts, 50- fluid cylinders, 60- cylinder caps, 70- piston components, 80- fluid cylinder bolts, 90- flashboards,
301- offside doors, the first leaks of 311-, the second leaks of 312-, the first threaded holes of 313-, the first threaded holes of 314-, 315- are let out
Leakage hole silk plug, leak silk plugs of the 316- with through-hole, 321- sealing elements, 322- sealing elements.331- the first hydraulic fluid port silk plugs, 332-
Two hydraulic fluid port silk plugs, the first oilholes of 333-, the second oilholes of 334-, the first outer oilholes of 335-, the second outer oilholes of 336-, in 337- first
Oilhole, oilhole in 338- second.
Specific implementation mode
The preferred embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
Referring to Fig. 1, a kind of side door of blowout preventer of the present embodiment, including side door ontology 30, offered in side door ontology 30
The upper end of side door endoporus 31 and fluid cylinder slot 32, side door ontology 30 has hinge connection portion 33, is opened up respectively on hinge connection portion 33
There are the first oilhole 333 and the second oilhole 334 for extending to fluid cylinder slot 32 from the top down, is offered and the first oilhole on fluid cylinder slot 32
Oilhole 337 in the first of 333 connections, the outside of fluid cylinder slot 32 is further opened with the first outer oilhole being connected to the first oilhole 333
335, oilhole 338 in second be connected to the second oilhole 334 is offered on fluid cylinder slot 32, and the outside of the fluid cylinder slot 32 also opens up
There is the second outer oilhole 336 being connected to second oilhole 334.First oilhole 333 is by oilhole in the first outer oilhole 335 and first
Second outer oilhole 336 is connected to by 337 connections, the second oilhole 334 with oilhole in second 338.
Moreover, in the present embodiment, the first outer oilhole 335 and the 336 symmetrical distribution of the described second outer oilhole, it can be ensured that
When the side door of blowout preventer is used as offside door as offside door, or after overturning, can accurately with open oil circuit and close oil communication.
Oilhole 337 in first, oilhole 338 and the second outer oilhole 336 are equipped with for connecting in the first outer oilhole 335, second
Connect the internal thread of sealing element.Side door of blowout preventer further includes：Oilhole 337 and the first outer oilhole 335 be wherein in closing first
One first seal, the second seal of one of oilhole 338 and second outer oilhole 336 in closing second.At this
In embodiment, first seal and second seal are silk plugs.Oilhole 337 in first, oil in the first outer oilhole 335, second
Hole 338 and which the specific closing when in use of the second outer oilhole 336, which is opened, interchangeable below with reference to left and right side door
Preventer is described in detail.
The left and right sides of side door ontology 30 also offers the first leak 311 and second being connected to side door endoporus 31 respectively
Leak 312, the outer end of first leak 311 are equipped with the first threaded hole 313 being connected to outside, the second leak 312
Outer end be equipped with and external the second threaded hole 314 being connected to.First leak 311 and second leak 312 difference all edges
The left and right directions of side door ontology 30 extends, the 312 symmetrical distribution of the first leak 311 and second leak, the first spiral shell
314 symmetrical difference of pit 313 and second threaded hole.Wherein, the first leak 311 and second leak 312
It is perpendicular with the first oilhole 333 and the second oilhole 334 on same center line, and all.The same center line is by side door
The center in hole 31.The side door of blowout preventer further includes closing off the first threaded hole 313 and two of second threaded hole 314 are let out
Leakage hole silk plug, through-hole is provided on one of leak silk plug, which screw thread two leak holes silk plugs are specifically used for when in use
Hole will be described in detail in conjunction with the interchangeable preventer of left and right side door.
It will be seen from figure 1 that the side door of blowout preventer of the present embodiment, the first oilhole 333 is symmetrical with the second oilhole 334
, the first outer oilhole 335 is symmetrical with the second outer oilhole 336, and oilhole 338 is left in oilhole 337 and second in first
Right symmetrical, the first leak holes 311 and the second leak 314 are also symmetrical.
Such as Fig. 2 to 4, a kind of interchangeable preventer of left and right side door, including：Shell 10 is rotated by a hinge seat 20 and is connected
It is connected on the offside door 300 on 10 right side of shell, and is rotatably connected on the offside door in 10 left side of shell by another hinge seat 20
301, offside door 301 and offside door 300 all use the side door of blowout preventer described in the present embodiment respectively（As shown in Figure 1）, Er Qie
On shell, offside door 301 and offside door 300 are symmetrical.The preventer further includes side door bolt 40, fluid cylinder 50, cylinder cap 60, work
Plug assembly 70, fluid cylinder bolt 80 and flashboard.Wherein, in left side, fluid cylinder bolt 80 connects cylinder cap 60, fluid cylinder 50 and offside door 301
It is connected together, side door bolt 40 links together shell 10 and offside door 301, and piston component 70 is located in fluid cylinder 50, and wears
The side door endoporus 31 and flashboard 90 for crossing offside door 301 link together.Likewise, on right side, fluid cylinder bolt 80 is by cylinder cap 60, liquid
Cylinder 50 and offside door 300 link together, and side door bolt 40 links together shell 10 and offside door 300, piston component 70
It links together with flashboard 90 in fluid cylinder 50, and across the side door endoporus 31 of offside door 300.
The operation principle of the preventer is：Hydraulic oil pushes piston component 70 to be moved to well head center by opening oilhole oil circuit
It is dynamic, push flashboard 90 to close well head；Hydraulic oil pulls piston component 70 to be moved to the direction far from well head by closing oilhole oil circuit,
Pull flashboard far from well head.
The side door of blowout preventer of the present embodiment is arranged when the right side of shell 10 is as offside door 300, the side door of blowout preventer
The first outer oilhole 335 closed by silk plug, oilhole 338 is closed also by silk plug in second, the opening court of the first threaded hole 313
It is upper and be connected with the closing of leak silk plug 315, second threaded hole 314 opening down and it is connected with the leak with through-hole
Silk plug 316.It is set respectively in the both sides up and down of the first leak 311 and the second leak 312 on the thickness direction of offside door 300
There are sealing element 321 and sealing element 322.When opening flashboard 90, hydraulic oil can only enter oilhole in band first by the first oilhole 333
337 pulling piston components 70 simultaneously open flashboard 90, and hydraulic oil also can only enter the second oilhole 334 by the second outer oilhole 336 and flow
Go out fluid cylinder 50.When closing flashboard 90, hydraulic oil only flows into fluid cylinder 50 by the second oilhole 334 into the second outer oilhole 336, to
Piston component 70 is pushed simultaneously to close flashboard 90, hydraulic oil also can only flow out fluid cylinder 50 by oilhole 337 in first.
The side door of blowout preventer of the present embodiment is arranged when the left side of shell 10 is as offside door 301, the side door of blowout preventer
First in oilhole 337 closed by silk plug, the second outer oilhole 336 is closed by silk plug, the second threaded hole 314 it is opening up
And it is connected with the closing of leak silk plug 315, first threaded hole 313 opening down and it is connected with the leak silk with through-hole
Stifled 316.It is also set respectively in the both sides up and down of the first leak 311 and the second leak 312 on the thickness direction of offside door 301
There are sealing element 321 and sealing element 322, as shown in Figure 2.When opening flashboard 90, hydraulic oil can only enter the by the second oilhole 334
Piston component 70 is pulled in two in oilhole 338 and opens flashboard 90, hydraulic oil also can only enter first by the first outer oilhole 335
Oilhole 333 flows out hydraulic cylinder 50.When closing flashboard 90, hydraulic oil can only enter the first outer oilhole 335 by the first oilhole 333 and flow
Inlet hydraulic cylinder 50, to push piston component 70 and close flashboard 90, hydraulic oil also can only flow by oilhole 338 in second
Two oilholes 334 flow out fluid cylinder 50.
As shown in Fig. 2, on offside door 301, after sealing element 321 fails, hydraulic oil passes through the first leak 311 and
After one threaded hole 313, due to gravity again by 316 outflow side of leak silk plug with through-hole outdoors.When sealing element 322 loses
After effect, after drilling fluid is by the first leak 311 and the first threaded hole 313, since gravity passes through the leakage with through-hole again
316 outflow side of hole silk plug is outdoors.
On offside door 300, after sealing element 321 fails, hydraulic oil passes through the second leak 312 and the second threaded hole
After 314, due to gravity again by 316 outflow side of leak silk plug with through-hole outdoors.After sealing element 322 fails, bore
After well liquid is by the second leak 312 and the second threaded hole 314, since gravity passes through the leak silk plug with through-hole again
316 outflow sides are outdoors.
It can be seen that when the side door of blowout preventer of the present embodiment is used for the shell left or right side of preventer, according to position
Difference screws in silk plug in corresponding hole, and the exchange of left and right side door may be implemented in the oilhole of enclosure portion, can substantially reduce
The production of preventer and maintenance cost.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention, all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of side door of blowout preventer, including side door ontology（30）, the side door ontology（30）In offer side door endoporus（31）With
Fluid cylinder slot（32）, the side door ontology（30）Upper end have hinge connection portion（33）, it is characterised in that：The hinge connection portion
（33）Upper offer respectively extends to the fluid cylinder slot from the top down（32）The first oilhole（333）With the second oilhole（334）, institute
State fluid cylinder slot（32）On offer and first oilhole（333）Oilhole in the first of connection（337）, the fluid cylinder slot（32）'s
Outside is further opened with and first oilhole（333）First outer oilhole of connection（335）, the fluid cylinder slot（32）On offer with
Second oilhole（334）Oilhole in the second of connection（338）, the fluid cylinder slot（32）Outside be further opened with and described second
Oilhole（334）Second outer oilhole of connection（336）；The first outer oilhole（335）With the described second outer oilhole（336）Left and right pair
Claim distribution.
2. side door of blowout preventer according to claim 1, it is characterised in that：Oilhole in described first（337）, outside described first
Oilhole（335）, oilhole in described second（338）With the described second outer oilhole（336）It is equipped with the interior spiral shell for connecting sealing element
Line.
3. side door of blowout preventer according to claim 2, it is characterised in that：The side door of blowout preventer further includes：Described in closing
Oilhole in first（337）With the described first outer oilhole（335）One of first seal, closing described second in oilhole
（338）With the described second outer oilhole（336）One of second seal.
4. side door of blowout preventer according to claim 3, it is characterised in that：The first seal and the second seal
It is silk plug.
5. side door of blowout preventer according to claim 1, it is characterised in that：The side door ontology（30）The left and right sides also divide
It does not offer and the side door endoporus（31）First leak of connection（311）With the second leak（312）, first leakage
Hole（311）Outer end be equipped with and external the first threaded hole being connected to（313）, second leak（312）Outer end be equipped with
Second threaded hole of outside connection（314）.
6. side door of blowout preventer according to claim 5, it is characterised in that：First leak（311）With described second
Leak（312）Respectively all along the side door ontology（30）Left and right directions extend, first leak（311）With described
Two leaks（312）Symmetrical distribution, first threaded hole（313）With second threaded hole（314）Symmetrical point
Not.
7. side door of blowout preventer according to claim 5, it is characterised in that：The side door of blowout preventer further includes：It closes off
First threaded hole（313）With second threaded hole（314）Two leak silk plugs, the leak described in one of them
Through-hole is provided on silk plug.
8. a kind of interchangeable preventer of left and right side door, including：Shell（10）, pass through a hinge seat（20）It is rotatably connected on described
Shell（10）The offside door on right side（300）, and pass through another hinge seat（20）It is rotatably connected on the shell（10）Left side
Offside door（301）, it is characterised in that：The offside door（301）With the offside door（300）Such as claim 1 is all used respectively
The side door of blowout preventer, the offside door（301）With the offside door（300）It is symmetrical.
9. side door interchangeable preventer in left and right according to claim 8, it is characterised in that：The side door of blowout preventer conduct
The offside door（300）When, the first outer oilhole（335）Oilhole in closing and described second（338）Closing；When the blowout prevention
Device side door is as the offside door（301）When, oilhole in described first（337）With the described second outer oilhole（336）Closing.
10. side door interchangeable preventer in left and right according to claim 8, it is characterised in that：The side door ontology（30）
The left and right sides also offer respectively and the side door endoporus（31）First leak of connection（311）With the second leak
（312）, first leak（311）Outer end be equipped with and external the first threaded hole being connected to（313）, second leak
（312）Outer end be equipped with and external the second threaded hole being connected to（314）；The side door of blowout preventer is as the offside door（300）
When, first threaded hole（313）It is opening up and be connected with leak silk plug closing, second threaded hole（314）'s
It is opening down and be connected with the leak silk plug with through-hole；The side door of blowout preventer is as the offside door（301）When, described
Two threaded holes（314）It is opening up and be connected with leak silk plug closing, first threaded hole（313）It is opening down and
It is connected with the leak silk plug with through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610497624.8A CN105863550B (en) | 2016-06-30 | 2016-06-30 | Side door of blowout preventer and the interchangeable preventer of left and right side door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610497624.8A CN105863550B (en) | 2016-06-30 | 2016-06-30 | Side door of blowout preventer and the interchangeable preventer of left and right side door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105863550A CN105863550A (en) | 2016-08-17 |
| CN105863550B true CN105863550B (en) | 2018-07-31 |
Family
ID=56655698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610497624.8A Active CN105863550B (en) | 2016-06-30 | 2016-06-30 | Side door of blowout preventer and the interchangeable preventer of left and right side door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105863550B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201241656Y (en) * | 2008-08-12 | 2009-05-20 | 颜廷杰 | Double-ram blowout preventer of single layer cavity structure |
| CN201250639Y (en) * | 2008-07-31 | 2009-06-03 | 河北华北石油荣盛机械制造有限公司 | Flashboard rapid-changing type blowout preventer |
| CN102383759A (en) * | 2010-09-05 | 2012-03-21 | 杨桂青 | Multifunctional blowout preventer specially used for steam-driven well |
| CN105201441A (en) * | 2015-09-08 | 2015-12-30 | 江苏金石富源机械有限公司 | Hinge blowout preventer provided with lubricating device externally and application of hinge blowout preventer |
| CN105201442A (en) * | 2015-09-08 | 2015-12-30 | 江苏金石富源机械有限公司 | Hinges for hinge blowout preventer |
| CN205805489U (en) * | 2016-06-30 | 2016-12-14 | 纽威石油设备（苏州）有限公司 | Side door of blowout preventer and the interchangeable preventer of left and right side door |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8944403B2 (en) * | 2012-07-19 | 2015-02-03 | Cameron International Corporation | Blowout preventer with pressure-isolated operating piston assembly |
-
2016
- 2016-06-30 CN CN201610497624.8A patent/CN105863550B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201250639Y (en) * | 2008-07-31 | 2009-06-03 | 河北华北石油荣盛机械制造有限公司 | Flashboard rapid-changing type blowout preventer |
| CN201241656Y (en) * | 2008-08-12 | 2009-05-20 | 颜廷杰 | Double-ram blowout preventer of single layer cavity structure |
| CN102383759A (en) * | 2010-09-05 | 2012-03-21 | 杨桂青 | Multifunctional blowout preventer specially used for steam-driven well |
| CN105201441A (en) * | 2015-09-08 | 2015-12-30 | 江苏金石富源机械有限公司 | Hinge blowout preventer provided with lubricating device externally and application of hinge blowout preventer |
| CN105201442A (en) * | 2015-09-08 | 2015-12-30 | 江苏金石富源机械有限公司 | Hinges for hinge blowout preventer |
| CN205805489U (en) * | 2016-06-30 | 2016-12-14 | 纽威石油设备（苏州）有限公司 | Side door of blowout preventer and the interchangeable preventer of left and right side door |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105863550A (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8720476B2 (en) | Portable ram block changer | |
| CN105863550B (en) | Side door of blowout preventer and the interchangeable preventer of left and right side door | |
| CN205805489U (en) | Side door of blowout preventer and the interchangeable preventer of left and right side door | |
| CN206987769U (en) | A kind of flashboard locking device for preventer | |
| CN201074496Y (en) | Single flashboard dual duct blowout preventer for testing oil | |
| CN209568991U (en) | A kind of hydraulic manual double ram type preventer | |
| CN201486507U (en) | Hydraulic side-door opening blowout preventer | |
| CN104712284A (en) | Liquid-operated reducing oil tube clamping blowout preventer | |
| CN203626701U (en) | Liquid-operated diameter-changing oil pipe clamping blowout preventer | |
| CN106285546A (en) | The tubing head of blowout prevention and oil and gas wellhead device thereof | |
| CN102022552B (en) | Bidirectional sealing frictionless butterfly valve | |
| CN203626699U (en) | Hydraulic ram preventer adopting variable-diameter sealing | |
| CN105201441B (en) | Hinge blowout preventer with external lubricating device and application thereof | |
| CN104563943A (en) | Reducing sealing type hydraulic-driving flashboard blowout preventer | |
| CN201367858Y (en) | Pressurized drilling device for drilling rod | |
| CN208364087U (en) | Lock ram preventer | |
| US8132777B2 (en) | Blowout preventer having modified hydraulic operator | |
| CN201866276U (en) | Two-way sealing frictionless butterfly valve | |
| CN204960873U (en) | External lubricating arrangement's hinge preventer | |
| CN205977160U (en) | Flashboard assembly convenient to detach's coiled tubing preventer | |
| CN207393991U (en) | A kind of gate valve | |
| US4964610A (en) | Manual blowout preventer with invertible rams | |
| CN208486859U (en) | A kind of anti-extension protective device of preventer | |
| CN207620761U (en) | A kind of combined type preventer | |
| CN203214897U (en) | High-pressure self-sealing check valve with low flow resistance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |