CN201474652U - Three-wing multi-function thermal recovery blowout preventer - Google Patents
Three-wing multi-function thermal recovery blowout preventer Download PDFInfo
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- CN201474652U CN201474652U CN2009201777638U CN200920177763U CN201474652U CN 201474652 U CN201474652 U CN 201474652U CN 2009201777638 U CN2009201777638 U CN 2009201777638U CN 200920177763 U CN200920177763 U CN 200920177763U CN 201474652 U CN201474652 U CN 201474652U
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Abstract
The utility model provides a three-wing multi-function thermal recovery blowout preventer, which comprises a body, a semi-sealing gate assembly and a whole-sealing gate assembly. The semi-sealing gate assembly and the whole-sealing gate assembly are arranged in the main through path of the body, the axial lines of the semi-sealing gate assembly and the axial line of the whole-sealing gate assembly are in one plane; the axial line of a semi-sealing gate die cavity and the axial line of a whole-sealing gate die cavity arranged on the sidewall of the main through path of the body are also in one plane; the semi-sealing gate die cavity and the whole-sealing gate die cavity on the body are both in a rectangular shape, another set of semi-sealing gate assembly is also arranged in the main through path of the body above the semi-sealing gate assembly, and the diameters of the front semicircular sealing surfaces of the semi-sealing gates of the two semi-sealing gate assemblies are different from each other. With the reasonable structure, the utility model not only has good semi-sealing effect, but also has excellent whole-sealing effect. Simultaneously, compared with the existing double-gate blowout preventer and the three-gate blowout preventer, the utility model effectively reduces the overall height, facilitates the operation and improves the working efficiency.
Description
Technical field
The utility model relates to a kind of oil well control appliance, particularly a kind of three wings formula multifunctional thermal production blowout preventer.
Background technology
Preventer is the indispensability equipment in oil drilling, the well workover process, is mainly used in the generation of accidents such as preventing well kick, blowout, guarantees the safety of operating personnel and equipment.Existing three wings formula preventer, it mainly is made up of body, half-closed type flashboard assembly and sealing mechanism, half-closed type flashboard assembly and sealing mechanism are presented down setting, and the sealing-plug that partly seals flashboard and sealing mechanism of half-closed type flashboard assembly is loaded in the die cavity of main latus rectum sidewall of body; When in well head needs sealing and well head, oil pipe being arranged, adopt half-closed type flashboard assembly, hold oil pipe tightly, form semitight; When in the well head during no oil pipe, the through hole that then adopts the sealing-plug of sealing mechanism to pay the center with the half-closed type flashboard is blocked, thereby constitutes hermetically sealed.Existing three wings formula preventer, though have half envelope and two kinds of functions of full envelope, its structure is comparatively complicated, operation inconvenience, functional reliability is poor, and particularly for the high-temp thermal recovery oil well, it is when sealing entirely, and sealing, high temperature resistant and corrosivity just do not reach requirement.For this reason, people have have now researched and developed double ram type preventer, and half-closed type flashboard summation full-enclosed type flashboard assembly is installed under it is presented in the body of preventer with being provided with, to reach half envelope and full envelope effect preferably; Now even have triple ram preventer to appear on the market, it is to adopt two cover half-closed type flashboard summations, one cover full-enclosed type flashboard assemblies, to realize full envelope and to half envelope of two different tube diameters oil pipes.But double ram type preventer and triple ram preventer have increased overall height, the weight of preventer, have increased the operation height of raised platform around a well, have increased operator's work difficulty, have brought new inconvenience again for the operator.
The utility model content
For overcoming the deficiencies in the prior art part, the utility model provides a kind of three wings formula multifunctional thermal production blowout preventer rational in infrastructure, has both had and has partly sealed effect preferably, possesses good full envelope function again; Simultaneously, more existing double disc and triple ram preventer have reduced overall height effectively, are convenient to operation, increase work efficiency.
The technical scheme that its technical problem that solves the utility model adopts is: comprise body and half-closed type flashboard assembly, full-enclosed type flashboard assembly; Half-closed type flashboard assembly and full-enclosed type flashboard assembly are loaded in the main latus rectum of body, it is characterized in that: the axis of half-closed type flashboard assembly and the total axis of full-enclosed type flashboard are in the same horizontal plane; Be located on the main latus rectum sidewall of body partly seal the paddle type cavity axis and the blind rams mold cavity axis is in the same horizontal plane.
On the above-mentioned body partly seal the flashboard die cavity and the blind rams die cavity is rectangular; The die cavity of rectangle makes the sealing performance of full envelope and half envelope more reliable on the one hand, can reduce body height effectively again on the other hand.
In upper body master's latus rectum of above-mentioned half-closed type flashboard assembly, be provided with another set of half-closed type flashboard assembly, the diameter that partly seals the semicircle sealing surface of flashboard front end of two cover half-closed type flashboard assemblies does not wait, to be applicable to half envelope of two kinds of caliber oil pipes, people and make this preventer have the function of triple ram preventer, and the height of this preventer is convenient to operation well below the height of triple ram preventer.
The beneficial effects of the utility model are: it is rational in infrastructure, has both had partly to seal effect preferably, possesses good full envelope function again; Simultaneously, more existing double disc and triple ram preventer have reduced overall height effectively, are convenient to operation, increase work efficiency.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the structural representation of the utility model embodiment two;
The left view of Fig. 4 of Fig. 5.
Among the figure: 1 for body, 1-1 be main latus rectum, 1-2 be seal receptacle, 2 for full-enclosed type flashboard assembly, 2-1 be full envelope portion plate, 2-2 be full sealing wire thick stick, 2-3 for complete block tight nut, 2-4 for full envelope side door, 2-5 for full envelope side door, 3 for half-closed type flashboard assembly, 3-1 be half envelope flashboard, 3-2 be half block mandrel, 3-3 is that half sealing wire thick stick, 3-4 are that half envelope side door, 3-5 are that half sealed cover, 4 is half-closed type flashboard assembly.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment one, and present embodiment is an example with individual layer three wings formula preventer.
As Figure 1-3, the utility model comprises body, half-closed type flashboard assembly and full-enclosed type flashboard assembly; The middle part of body is provided with main latus rectum, the sidewall bilateral symmetry of main latus rectum be provided with two halves envelope flashboard die cavity; Half-closed type flashboard assembly includes half envelope side door, half sealed cover, half sealing wire thick stick, partly blocks mandrel and partly seal flashboard; Two half-closed type flashboard assemblies that constitute a cover are sub-packed in the both sides of main body, and two halves envelope flashboard is sub-packed in the two halves envelope flashboard die cavity symmetrically; In the horizontal plane of two halves envelopes paddle type cavity axis, also offer the blind rams die cavity on the body master latus rectum sidewall, and the axis of the axis of blind rams die cavity and two and half envelope flashboard die cavities is perpendicular; Above-mentionedly partly seal the flashboard die cavity and the blind rams die cavity is rectangular.Full-enclosed type flashboard assembly includes full envelope side door, full sealed cover, full sealing wire thick stick, blocks tight nut and blind rams entirely; Blind rams places the blind rams die cavity, and is provided with seal receptacle in the top and the bottom of the full flashboard die cavity of main latus rectum.Thereby in a horizontal plane, constitute three wings formula ram preventer, make it both have and partly seal effect preferably to possess good full envelope function again; Simultaneously, more existing double ram type preventer has reduced overall height effectively, is convenient to operation, increases work efficiency.
During use, at first the upper and lower opening flange with body 1 is installed on the well head of oil well.When in needs sealing oil well and the well head oil pipe being arranged, rotate the tight leading screw 3-3 of partly blocking of two half-closed type flashboard assemblies 3 simultaneously, drive two halves envelope flashboard 3-1 to main latus rectum 1-1 central motion, partly sealing flashboard 3-1 until both sides contacts and pushes, make the preceding sealing of half envelope flashboard 3-1 front end produce slight deformation, thereby hold oil pipe tightly, realize semitight.When needs during with the oil well complete closed, the full sealing wire thick stick 2-2 that then rotates full-enclosed type flashboard assembly 2 makes blind rams 2-1 block main latus rectum 1 fully, and forms sealing with seal receptacle 1-2, thereby realizes hermetically sealed.
Embodiment two, and present embodiment is an example with double-deck three wings formula preventer.
Shown in Fig. 4-5, present embodiment is based on embodiment one, top at the half-closed type flashboard assembly 3 of individual layer three wings formula preventer, be provided with another set of half-closed type flashboard assembly 4 among the main latus rectum 1-1 of body 1, the diameter that partly seals the semicircle sealing surface of flashboard front end of this half-closed type flashboard assembly 4 is less than the diameter that partly seals the semicircle sealing surface of flashboard 3-1 front end of (perhaps greater than) half-closed type flashboard assembly 3, to be applicable to half envelope of two kinds of caliber oil pipes, people and make this preventer have the function of triple ram preventer, and the height of this preventer is convenient to operation well below the height of triple ram preventer.
During use, when carrying out well head when sealing entirely, then with embodiment one; When carrying out well head when partly sealing,, and select half-closed type flashboard assembly 3 or half-closed type flashboard assembly 4 for use then according to the diameter of well head inner oil tube.
Claims (3)
1. three wings formula multifunctional thermal production blowout preventer comprises body and half-closed type flashboard assembly, full-enclosed type flashboard assembly; Half-closed type flashboard assembly and full-enclosed type flashboard assembly are loaded in the main latus rectum of body, it is characterized in that: the axis of half-closed type flashboard assembly and the total axis of full-enclosed type flashboard are in the same horizontal plane; Be located on the main latus rectum sidewall of body partly seal the paddle type cavity axis and the blind rams mold cavity axis is in the same horizontal plane.
2. three wings formula multifunctional thermal production blowout preventer according to claim 1 is characterized in that: on the above-mentioned body partly seal the flashboard die cavity and the blind rams die cavity is rectangular.
3. three wings formula multifunctional thermal production blowout preventer according to claim 1, it is characterized in that: in upper body master's latus rectum of above-mentioned half-closed type flashboard assembly, be provided with another set of half-closed type flashboard assembly, the diameter that partly seals the semicircle sealing surface of flashboard front end of two cover half-closed type flashboard assemblies does not wait, to be applicable to half envelope of two kinds of caliber oil pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201777638U CN201474652U (en) | 2008-10-29 | 2009-09-09 | Three-wing multi-function thermal recovery blowout preventer |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810234751.4 | 2008-10-29 | ||
| CN2009201777638U CN201474652U (en) | 2008-10-29 | 2009-09-09 | Three-wing multi-function thermal recovery blowout preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201474652U true CN201474652U (en) | 2010-05-19 |
Family
ID=42410900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201777638U Expired - Fee Related CN201474652U (en) | 2008-10-29 | 2009-09-09 | Three-wing multi-function thermal recovery blowout preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201474652U (en) |
-
2009
- 2009-09-09 CN CN2009201777638U patent/CN201474652U/en not_active Expired - Fee Related
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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: 20100519 Termination date: 20170909 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |