CN201934050U - Ram blowout preventer for well drilling - Google Patents
Ram blowout preventer for well drilling Download PDFInfo
- Publication number
- CN201934050U CN201934050U CN2011200810373U CN201120081037U CN201934050U CN 201934050 U CN201934050 U CN 201934050U CN 2011200810373 U CN2011200810373 U CN 2011200810373U CN 201120081037 U CN201120081037 U CN 201120081037U CN 201934050 U CN201934050 U CN 201934050U
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- Prior art keywords
- flashboard
- fluid cylinder
- ram
- housing
- replacing
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Abstract
The utility model discloses a ram blowout preventer for well drilling, comprising an outer shell component, a ram replacement hydraulic cylinder component, a hydraulic cylinder component and a control oil circuit which is connected with the component; the outer shell component comprises a shell body, a cylinder cover, side doors which are arranged on both sides of the shell body and a ram which is arranged in the shell body; the ram replacement hydraulic cylinder component comprises a ram replacement hydraulic cylinder and a ram replacement piston rod which is arranged in the ram replacement hydraulic cylinder; the ram replacement hydraulic cylinder is obliquely arranged along the ram blowout preventer; both ends of the ram replacement hydraulic cylinder are provided with threads, wherein one end is connected with a cylinder cover nut which is arranged on the cylinder cover through the thread and the other end is connected with the side doors through the threads; and the connection interface of the control oil circuit is arranged on the same side of the shell body. The ram blowout preventer seals reliably, has a smaller weight and larger load-bearing capability and is convenient to operate.
Description
Technical field
The utility model relates to a kind of oil drilling control appliance, is specifically related to the ram preventer that a kind of drilling well is used.
Background technology
Ram preventer is the critical component of oil drilling control appliance, and predominant use is a control well mouth pressure in processes such as drilling well, well workover, formation testing, prevents that effectively gas blowout accident from taking place, and realizes safe construction.At present, the ram preventer of prior art is the ram preventer of parallel-moving type side door, but still there is the imperfection part technically in the preventer of this form, as: when (1) preventer is changed flashboard, lifted the restriction of position, it is very inconvenient to change flashboard.(2) after side door was opened, under the action of gravity of fluid cylinder assembly, the piston rod force-bearing situation was bad, and in order to guarantee its intensity, its diameter has just increased.(3) because the fluid cylinder diameter is bigger, be subjected to the restriction of bolt installing space on housing upper flashboard cavity shape and the side door, cause whole size and weight to increase.(4) import and export of flashboard switch control oil channel is positioned at preventer housing both sides, and install and use at the scene of being not easy to.
The utility model content
The ram preventer that the utility model provides a kind of drilling well to use, the sealing of this preventer is reliable, weight is less, supporting capacity is bigger, easy to operate.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
The ram preventer that a kind of drilling well is used comprises casing assembly, changes flashboard fluid cylinder assembly, fluid cylinder assembly and connects the control oil channel of said modules;
Described casing assembly comprises housing, cylinder cap, is located at the side door of housing both sides and is arranged on the interior flashboard of housing;
Described replacing flashboard fluid cylinder assembly comprises to be changed the flashboard fluid cylinder and is arranged on the interior replacing flashboard piston rod of this replacing flashboard fluid cylinder;
Be characterized in,
Described replacing flashboard fluid cylinder is along the axioversion setting of ram preventer;
The two ends of described replacing flashboard fluid cylinder are provided with screw thread, and the one end is connected with cylinder cap nut on being arranged on cylinder cap by screw thread, and its other end is connected with side door by screw thread;
The connecting interface of described control oil channel is arranged on the same side of housing.
Described replacing piston rod comprises opens piston rod and closure piston bar;
A wherein end of described unlatching piston rod and closure piston bar all is connected and is arranged on the housing;
Be equipped with through hole in described unlatching piston rod and the closure piston bar, the hydraulic oil channel that is positioned at housing with control oil channel is connected.
Described fluid cylinder assembly comprises fluid cylinder, piston, first flashboard axis, second flashboard axis and lock shaft;
Described fluid cylinder is arranged between side door and the cylinder cap, directly links to each other with side door;
Described piston is arranged in the fluid cylinder;
Described first flashboard axis and second flashboard axis are vertically set on the both sides of piston, and the other end of described first flashboard axis links to each other with lock shaft, and the other end of described second flashboard axis links to each other with flashboard.
Described replacing flashboard fluid cylinder is obliquely installed in 0o～90o scope.
The ram preventer that the utility model drilling well is used compared with prior art has the following advantages:
1, flashboard replacing fluid cylinder axioversion is arranged on the side door, can improve flashboard switch plunger bar bending resistant section coefficient, increases the rigidity of flashboard switch plunger bar, and the side door bolt evenly is arranged in around the flashboard chamber, and its stand under load is more even, and safety of structure is good.
2, flashboard can lift replacing on vertical and horizontal both direction, has made things convenient for site operation.
3, flashboard is changed fluid cylinder two ends machining screw, connects with side door, cylinder cap nut respectively, has the effect of coupling bolt concurrently, make amount of parts reduce, and whole mechanical property is better.
4, fluid cylinder directly is connected with side door, and the bolt circle diameter reduces, and is convenient to the side door bolt and evenly arranges along the flashboard chamber.
5, control oil channel is positioned at the same side of housing, has optimized arranging of blowout preventer hydraulic control pipeline, makes things convenient for site operation.
Description of drawings
The front view that Fig. 1 provides for the utility model;
The left view that Fig. 2 provides for the utility model;
The B-B part sectioned view that Fig. 3 provides for the utility model.
The specific embodiment
As shown in figures 1 and 3, the ram preventer that a kind of drilling well is used comprises casing assembly 1, changes flashboard fluid cylinder assembly 2, fluid cylinder assembly 3, control oil channel 4 and flashboard 5; Casing assembly 1 comprises housing 11, cylinder cap 12, is located at the side door 13 of housing 11 both sides, and side door 13 is arranged on the housing 11 by side door bolt 131; Change flashboard fluid cylinder assembly 2 and comprise replacing flashboard fluid cylinder 21, be arranged on the replacing flashboard piston rod of changing in the flashboard fluid cylinder 21 22, replacing piston rod 22 comprises opens piston rod 221, closure piston bar 222; Described unlatching piston rod 221, closure piston bar 222 end wherein all connects and is arranged on the housing 11, is provided with through hole in described unlatching piston rod 221, the closure piston bar 222, is connected with hydraulic oil channel in the housing 11.Cylinder cap 12 by cylinder cap nut 121 with change flashboard fluid cylinder 21 and link to each other, described replacing flashboard fluid cylinder 21 two ends are provided with screw thread, the one end links to each other with cylinder cap nut 121, the other end by thread spindle to being obliquely installed on side door 13.This replacing flashboard fluid cylinder 21 can be obliquely installed in the scope of 0o～90o, and in the present embodiment, it is the 45o setting of tilting vertically.
As shown in Figure 2, the connecting interface 41 of control oil channel 4 is arranged on the same side of housing 11, and control oil channel is used for connecting fluid cylinder 31, changes flashboard fluid cylinder 21 and shell 11.
As Fig. 1 ~ shown in Figure 3, during the utility model The field, this ram preventer is installed on the well head that carries out wellbore construction, in the time of when blowout takes place, need sealing well head, open the interface 41 of control oil channel 4, control liquid is entered in the fluid cylinder 31, promoting piston 32 moves, piston 32 promotes flashboard 5 by second flashboard axis 34 and moves to the well head center, with the well head sealing, this moment, lock shaft 35 withdrawed from first flashboard axis 33, and lock shaft 35 is provided with step, make the step on the lock shaft 35 withstand cylinder cap 12, can be with flashboard 5 lockings.If in the time of will opening well head, earlier with lock shaft 35 precessions first flashboard axis 33, make control liquid promote piston 32 again and move round about, can open well head.If in the time of will overhauling flashboard 5, at first side door bolt 131 is laid down, to block towards the oil duct in the fluid cylinder 31, make control liquid enter flashboard replacing fluid cylinder 21 by the hydraulic oil channel of opening in the piston rod 221, promoting cylinder cap 12 outwards moves, cylinder cap 12 drives side door 13 by cylinder cap nut 121 and outwards moves together, and flashboard 5 is pulled out in the flashboard chamber, can overhaul.After maintenance finishes, make control liquid enter flashboard and change fluid cylinder 21 by the oil duct in the closure piston bar 222, promoting side door 13 moves inward, side door 13 drives cylinder cap 12 by cylinder cap nut 121 and moves inward together, flashboard 5 is sent in the flashboard chamber, side door 13 is fixed on the housing 11 by side door bolt 131.
In sum, the ram preventer used of a kind of drilling well of the utility model has the advantage that sealing is reliable, weight is less, supporting capacity is bigger, easy to operate.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute all will be conspicuous.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (4)
1. ram preventer that drilling well is used comprises casing assembly (1), changes flashboard fluid cylinder assembly (2), fluid cylinder assembly (3) and connect the control oil channel (4) of said modules;
Described casing assembly (1) comprises housing (11), cylinder cap (12), is located at the side door (13) of housing (11) both sides and is arranged on the interior flashboard (5) of housing (11);
Described replacing flashboard fluid cylinder assembly (2) comprises to be changed flashboard fluid cylinder (21) and is arranged on the interior replacing flashboard piston rod (22) of this replacing flashboard fluid cylinder (21);
It is characterized in that,
Described replacing flashboard fluid cylinder (21) is along the axioversion setting of ram preventer;
The two ends of described replacing flashboard fluid cylinder (21) are provided with screw thread, and the one end is connected with cylinder cap nut (121) on being arranged on cylinder cap (12) by screw thread, and its other end is connected with side door (13) by screw thread;
The connecting interface (41) of described control oil channel (4) is arranged on the same side of housing (11).
2. the ram preventer that drilling well according to claim 1 is used is characterized in that, described replacing piston rod (22) comprises opens piston rod (221) and closure piston bar (222);
A wherein end of described unlatching piston rod (221) and closure piston bar (222) all is connected and is arranged on the housing (11);
Be equipped with through hole in described unlatching piston rod (221) and the closure piston bar (222), the hydraulic oil channel that is positioned at housing (11) with control oil channel (4) is connected.
3. the ram preventer that drilling well according to claim 1 is used is characterized in that, described fluid cylinder assembly (3) comprises fluid cylinder (31), piston (32), first flashboard axis (33), second flashboard axis (34) and lock shaft (35);
Described fluid cylinder (31) is arranged between side door (13) and the cylinder cap (12), directly links to each other with side door (13);
Described piston (32) is arranged in the fluid cylinder (31);
Described first flashboard axis (33) and second flashboard axis (34) are vertically set on the both sides of piston (32), the other end of described first flashboard axis (33) links to each other with lock shaft (35), and the other end of described second flashboard axis (34) links to each other with flashboard (5).
4. the ram preventer that drilling well according to claim 1 is used is characterized in that, described replacing flashboard fluid cylinder (21) is obliquely installed in 0o～90o scope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200810373U CN201934050U (en) | 2011-03-25 | 2011-03-25 | Ram blowout preventer for well drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200810373U CN201934050U (en) | 2011-03-25 | 2011-03-25 | Ram blowout preventer for well drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201934050U true CN201934050U (en) | 2011-08-17 |
Family
ID=44445572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200810373U Expired - Fee Related CN201934050U (en) | 2011-03-25 | 2011-03-25 | Ram blowout preventer for well drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201934050U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764859A (en) * | 2013-06-14 | 2020-10-13 | 因诺威特***有限公司 | Wellbore control apparatus, connection device and method |
-
2011
- 2011-03-25 CN CN2011200810373U patent/CN201934050U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764859A (en) * | 2013-06-14 | 2020-10-13 | 因诺威特***有限公司 | Wellbore control apparatus, connection device and method |
| CN111764859B (en) * | 2013-06-14 | 2022-11-08 | 因诺威特***有限公司 | Wellbore control apparatus, connection device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110817 Termination date: 20160325 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |