CN205805492U - A kind of ram preventer - Google Patents
A kind of ram preventer Download PDFInfo
- Publication number
- CN205805492U CN205805492U CN201620817393.XU CN201620817393U CN205805492U CN 205805492 U CN205805492 U CN 205805492U CN 201620817393 U CN201620817393 U CN 201620817393U CN 205805492 U CN205805492 U CN 205805492U
- Authority
- CN
- China
- Prior art keywords
- flashboard
- drive mechanism
- ram preventer
- preventer
- housing
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of ram preventer, including: housing, side door, flashboard assembly, drive mechanism and locking device, side door is arranged at the side of housing and also and keeps between housing sealing, flashboard assembly is driven to realize flashboard by drive mechanism and closes or open, locking device includes lock shaft and locking nut, and locking that direction, axial flashboard assembly place tightens then can be by flashboard manual locking.Ram preventer of the present utility model achieves the flexible open and close of flashboard assembly by drive mechanism, when flashboard assembly is closed, it is possible to the annular space between closed casing and tubing string, it is achieved totally-enclosed well head, thus ensures to operate safety；Additionally, can manually be locked by flashboard by locking device, this also can close flashboard in time when drive mechanism inefficacy or fault, close well head.
Description
Technical field
This utility model relates to a kind of ram preventer, belongs to oil exploration equipment technical field.
Background technology
Preventer is an important component part of well control device, is mainly used in the operations such as drilling well, well workover, formation testing
Control well head pressure, effectively prevent the generation of gas blowout accident, protection operating personnel, implement and the safety of Oil/gas Well, make
Exploration of oil and gas field and exploitation obtain more preferable economic benefit.Ram preventer can be divided into by the flashboard quantity in housing: single disc
Preventer, double ram type preventer and triple ram preventer, what current domestic use was most is single, double ram preventer, generally exists
A set of wellhead assembly is installed a secondary blind rams and a pair or two pairs partly seal flashboard.
Traditional blowout preventer for hydraulic pressure gate includes preventer housing, respectively arranges one in preventer housing both sides and is fixed on anti-
Driving fluid cylinder on spray apparatus housing, its piston rod is connected with flashboard axis by intermediate bar, and flashboard axis penetrates the anti-of preventer housing
Spray apparatus side door is connected with the flashboard assembly being provided with high-strength abrasion-proof glue core.The simple in construction of this preventer, connection and reasonable arrangement, but
In drilling process, if hydraulic control system lost efficacy, it is impossible to realize quick closing well, there is great potential safety hazard；And at present
Ram preventer in industry does not have versatility, and suitable environment is single.
Utility model content
For solving the deficiencies in the prior art, the purpose of this utility model be to provide a kind of switch flexibly, rapid operation, make
With safety and ram preventer easy to maintenance.
In order to realize above-mentioned target, this utility model adopts the following technical scheme that:
A kind of ram preventer, including: housing, side door, flashboard assembly, drive mechanism and locking device, described side door sets
Be placed in housing side and and housing between keep sealing, described flashboard assembly by drive mechanism drive to realize flashboard close or
Opening, described locking device includes that lock shaft and locking nut, direction, described locking axial flashboard assembly place are tightened and then can
By flashboard manual locking.
Preferably, aforementioned drive mechanism is made up of cylinder and the cylinder cap being arranged at cylinder head portions, the piston rod of described cylinder
It is set in piston, and the free end of piston rod is connected with one end of flashboard assembly；Flashboard can be driven each other by piston
Near or separate, thus Guan Bi or open flashboard, the inwall of piston and cylinder fits tightly the sealing property guaranteeing drive mechanism.
More preferably, reinforcing bar combined seal ring is used to realize being tightly connected between aforementioned housing and side door, it is ensured that preventer
Housing and side door the most air tight, and avoid both to become rusty extremely.
It is highly preferred that aforementioned lock shaft runs through described cylinder and is connected with piston rod, set between described lock shaft and cylinder cap
It is equipped with sealing ring, so can prevent gas leakage further, avoid dust to enter in cylinder simultaneously.
More preferably, the end of aforementioned lock shaft is formed with the square toes connecting portion for connecting rotating handles, it is simple to manually
Rotation lock mandrel.
Specifically, this ram preventer is double ram type preventer, and described flashboard assembly includes the first flashboard being positioned at upper strata
With the second flashboard being positioned at lower floor.
Preferably, aforementioned first flashboard is half envelope type flashboard；Described second flashboard is full-enclosed type flashboard, so, energy
The scope of application enough making this ram preventer is wider, it may be assumed that have cavity between half envelope type flashboard rear glue core altogether, it is possible to accommodate
Pipe or drilling rod, be therefore applicable to close annular space；And there is no any gap between full-enclosed type flashboard rear glue core altogether, it is possible to will
Well is shut completely.
More preferably, the top of aforementioned housing and bottom are each formed with the connecting portion of outwardly convex, cutting of described connecting portion
Face structure is annular.
It is further preferred that front first flashboard lateral symmetry is provided with the first drive mechanism and the 4th drive mechanism；Described
Second flashboard lateral symmetry is provided with the second drive mechanism and the 3rd drive mechanism.
It is further preferred that aforementioned first flashboard, the second flashboard, housing and side door are by 25CrNiMo alloy steel material
Make, give the anticorrosion antiwear performance that preventer is good, thus improve the service life of preventer.
Of the present utility model have the beneficial effect that ram preventer of the present utility model achieves flashboard by drive mechanism
The flexible open and close of assembly, when flashboard assembly is closed, it is possible to the annular space between closed casing and tubing string, it is achieved complete
Close well head, thus ensure to operate safety；Additionally, can manually be locked by flashboard by locking device, this lost efficacy in drive mechanism
Or also can close flashboard during fault in time, close well head.
Accompanying drawing explanation
Fig. 1 is that front of the present utility model dissects structural representation.
The implication of reference in figure: 1, housing, 2, side door, 3, lock shaft, 4, locking nut, 5, cylinder, 6, cylinder cap, 7,
Piston, 8, piston rod, the 9, first flashboard, the 10, second flashboard, 11, connecting portion.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model made concrete introduction.
Seeing Fig. 1, ram preventer of the present utility model includes: housing 1, side door 2, flashboard assembly, drive mechanism and lock
Tight device.Install for convenience and connect ram preventer, being each formed with the cross section of outwardly convex at the top of housing 1 and bottom
Structure is the connecting portion 11 of annular, ram preventer can be installed on well head by adpting flange.
Wherein, side door 2 be arranged at housing 1 side and and housing 1 between use reinforcing bar combined seal ring to realize sealing even
Connect, be so able to ensure that the housing 1 of preventer and side door 2 are the most air tight, and avoid both to become rusty extremely.
Flashboard assembly is the critical component of preventer, in order to improve operating flexibility, drive mechanism drives to realize lock
Plate is closed or is opened, and specifically, drive mechanism is made up of cylinder 5 and the cylinder cap 6 being arranged at cylinder 5 end, the piston rod of cylinder 5
8 are set in piston 7, and the free end of piston rod 8 is connected with one end of flashboard assembly, can drive flashboard by piston 7
Close to each other or separate, thus quick-make or open flashboard, rapid operation and safety are high.
Locking device in this utility model includes lock shaft 3 and locking nut 4, and lock shaft 3 runs through cylinder 5 and piston rod
8 be connected, and and cylinder cap 6 between be provided with sealing ring, lock shaft 3 is tightened to direction, flashboard assembly place then can be manual by flashboard
Locking.Its role is to: when cylinder 5 lost efficacy, with locking device energy manual-lock flashboard in time, close well head；When needs are long
During time shut-in well, also after cylinder 5 is closed, flashboard is locked in closed position.It should be noted that owing to lock shaft 3 shoulder supports
On cylinder cap 6, it is impossible to retreat, flashboard can only be driven to well head central motion, lock flashboard such that it is able to guarantee security performance.
Additionally, operate for convenience, it is formed with the square toes connecting portion for connecting rotating handles in the end of lock shaft 3.
Specifically a kind of double ram type preventer of ram preventer shown in Fig. 1, reality is then not limited to this, also can be single disc
Preventer or triple ram preventer etc..In the present embodiment, corresponding to double ram type preventer, flashboard assembly includes being positioned at upper strata
First flashboard 9 and the second flashboard 10 being positioned at lower floor.Wherein, the first flashboard 9 is half envelope type flashboard, and the second flashboard 10 is full-enclosed type
Flashboard, so, the scope of application of this ram preventer is wider, it may be assumed that have cavity between half envelope type flashboard rear glue core altogether,
Pipe or drilling rod can be accommodated, be therefore applicable to close annular space；And there is no any between full-enclosed type flashboard rear glue core altogether
Gap, it is possible to well is shut completely；The most applicable corresponding to different types of shut-in well, it is not necessary to frequently to change flashboard or preventer.When
So, it is also possible to the first flashboard 9 uses full-enclosed type flashboard, the second flashboard 10 to use half envelope type flashboard, and this is to be readily appreciated that and think
Arrive, do not repeat.
Specific in the present embodiment, the first flashboard 9 lateral symmetry is provided with the first drive mechanism and the 4th drive mechanism,
Second flashboard 10 lateral symmetry is provided with the second drive mechanism and the 3rd drive mechanism, in each drive mechanism, is respectively provided with one
Sleeve locking apparatus, and each drive mechanism forms by cylinder 5 and cylinder cap 6, structure is identical, so using phase in FIG
Same reference is identified to understand.The first flashboard 9 is driven respectively by the first drive mechanism and the 4th drive mechanism
Two pieces of glue cores are separated from one another or Guan Bi, and the second drive mechanism and the 3rd drive mechanism drive two pieces of glue of the second flashboard 10 the most respectively
Core is separated from one another or closes.
In order to be more fully understood that this utility model, below the use process of this ram preventer is briefly described:
(1), install: according to well drilling tool, well control regulation and requirement, preventer is installed alone or in combination；
(2), test running: mounted ram preventer need to carry out the water pressure test to guarantee each connecting portion and sealing property
The most qualified, whether inspection locking device can normally use；
(3), start drive mechanism, close flashboard assembly, it is achieved close drilling tool or empty well, as closed for a long time, then should
Flashboard is locked with manual locking device.
To sum up, ram preventer of the present utility model achieves opening flexibly and closing of flashboard assembly by drive mechanism
Close, when flashboard assembly is closed, it is possible to the annular space between closed casing and tubing string, it is achieved totally-enclosed well head, thus ensure
Operation safety；Additionally, can manually be locked by flashboard by locking device, this also can close in time when drive mechanism inefficacy or fault
Close flashboard, close well head；And, ram preventer of the present utility model has the wider array of scope of application, has good society
Benefit and economic benefit.
Of the present utility model ultimate principle, principal character and advantage have more than been shown and described.The technical staff of the industry
It should be appreciated that above-described embodiment limits this utility model, all employing equivalents or the mode of equivalent transformation the most in any form
The technical scheme obtained, all falls within protection domain of the present utility model.
Claims (10)
1. a ram preventer, it is characterised in that including: housing, side door, flashboard assembly, drive mechanism and locking device, institute
State side door be arranged at housing side and and housing between keep seal, described flashboard assembly is driven to realize lock by drive mechanism
Plate is closed or is opened, and described locking device includes lock shaft and locking nut, and direction, described locking axial flashboard assembly place is twisted
Tight then can be by flashboard manual locking.
A kind of ram preventer the most according to claim 1, it is characterised in that described drive mechanism is by cylinder and is arranged at
The cylinder cap composition of cylinder head portions, the piston rod of described cylinder is set in piston, and the free end of piston rod and flashboard assembly
One end connect.
A kind of ram preventer the most according to claim 1, it is characterised in that use reinforcing bar between described housing and side door
Combined seal ring realizes being tightly connected.
A kind of ram preventer the most according to claim 2, it is characterised in that described lock shaft run through described cylinder and with
Piston rod is connected, and is provided with sealing ring between described lock shaft and cylinder cap.
A kind of ram preventer the most according to claim 4, it is characterised in that the end of described lock shaft be formed for
Connect the square toes connecting portion of rotating handles.
6. according to a kind of ram preventer described in any one of claim 1-5, it is characterised in that this ram preventer is double-gate
Plate preventer, described flashboard assembly includes being positioned at first flashboard on upper strata and being positioned at the second flashboard of lower floor.
A kind of ram preventer the most according to claim 6, it is characterised in that described first flashboard is half envelope type flashboard；
Described second flashboard is full-enclosed type flashboard.
A kind of ram preventer the most according to claim 6, it is characterised in that top and the bottom of described housing are respectively formed
The connecting portion of outwardly convex, the cross section structure of described connecting portion is annular.
A kind of ram preventer the most according to claim 7, it is characterised in that described first flashboard lateral symmetry is provided with
First drive mechanism and the 4th drive mechanism；Described second flashboard lateral symmetry is provided with the second drive mechanism and the 3rd driving machine
Structure.
A kind of ram preventer the most according to claim 6, it is characterised in that described first flashboard, the second flashboard, shell
Body and side door are made by 25CrNiMo alloy steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620817393.XU CN205805492U (en) | 2016-08-01 | 2016-08-01 | A kind of ram preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620817393.XU CN205805492U (en) | 2016-08-01 | 2016-08-01 | A kind of ram preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205805492U true CN205805492U (en) | 2016-12-14 |
Family
ID=57507127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620817393.XU Expired - Fee Related CN205805492U (en) | 2016-08-01 | 2016-08-01 | A kind of ram preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205805492U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982522A (en) * | 2021-12-30 | 2022-01-28 | 山东旭能石油装备有限责任公司 | Blowout preventer valve core self-locking mechanism and blowout preventer unit |
-
2016
- 2016-08-01 CN CN201620817393.XU patent/CN205805492U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982522A (en) * | 2021-12-30 | 2022-01-28 | 山东旭能石油装备有限责任公司 | Blowout preventer valve core self-locking mechanism and blowout preventer unit |
| CN113982522B (en) * | 2021-12-30 | 2022-04-15 | 胜利油田新海兴达实业集团有限责任公司 | Blowout preventer valve core self-locking mechanism and blowout preventer unit |
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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: 20161214 Termination date: 20210801 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |