CN202900138U - Blowout-prevention and environmental-protection device for oil well - Google Patents
Blowout-prevention and environmental-protection device for oil well Download PDFInfo
- Publication number
- CN202900138U CN202900138U CN 201220617119 CN201220617119U CN202900138U CN 202900138 U CN202900138 U CN 202900138U CN 201220617119 CN201220617119 CN 201220617119 CN 201220617119 U CN201220617119 U CN 201220617119U CN 202900138 U CN202900138 U CN 202900138U
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- CN
- China
- Prior art keywords
- sealed rubber
- outer tube
- rubber cover
- sucker rod
- hypomere
- 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 relates to a blowout-prevention and environmental-protection device for an oil well. The blowout-prevention and environmental-protection device for the oil well is used for preventing crude oil leakage and environment pollution caused by sucker rod deformation. The blowout-prevention and environmental-protection device for the oil well comprises an inner sealed rubber sleeve for coving a sealed sucker rod. The inner sealed rubber sleeve is sleeved inside an outer sleeve pipe, and two ends of the inner sealed rubber sleeve are sealed and fixed. The upper end of the outer sleeve pipe is connected with an upper communicating pipe through a flange. A plurality of stacked rings are arranged inside the upper communicating pipe. A three-way pipe is connected with the lower end of the outer sleeve pipe through a flange piece. According to the blowout-prevention and environmental-protection device for the oil well, the inner sealed rubber sleeve is sleeved on the sucker rod, and leaked crude oil is gathered and then be collected through the three-way pipe, so environment pollution is prevented, and loss of crude oil is reduced.
Description
Technical field
The utility model belongs to the oil field equipment technical field, particularly a kind of blowout-proof apparatus of oil well.
Background technology
At present the blowout prevention box on the oil pumper just with tightly pressure-conducting disk root, just begins have to continue again pressure-conducting disk root, like this always vicious circle along sucker rod seepage crude oil after the wearing and tearing in several days.Not only waste of manpower, packing be not most importantly also from deal with problems at all.Oil pumper is when work, and long-time friction causes the sucker rod wearing and tearing between sucker rod and the well head packing, causes leakage of oil, not only pollutes ground but also causes the underproduction.For addressing this problem, retrieve Chinese patent CN200920013876.4 and disclose a kind of sucker rod blowout preventer of oil pumping well, it comprises the head valve connector, valve and sucker rod, it is characterized in that: at the head valve connector ring-type Lubricating oil barrel is set, the nonmetal elastic working cylinder of assembling corrosion-proof wear in the annulus between ring-type Lubricating oil barrel and the sucker rod, the inside-and-outside ring oil-way is set respectively on the inside and outside wall of seating nipple, at the work barrel oil leab that is communicated with the inside-and-outside ring oil-way is set, inwall at Lubricating oil barrel is offered oil through, the upper end of Lubricating oil barrel arranges oil filler point, at the ring-type Lubricating oil barrel nut that is threaded.The utility model advantage is to solve well mouth of oil well often to produce the problem of leakage of oil, improves pumpingh well production efficiency and output, purifies the pumpingh well surrounding environment.This structure preventer just relies on the sealing of inside-and-outside ring oil-way, and the sealing level is few, and effect is not ideal enough, and easily causes the inclination wear problem of sucker rod effectively not solved.
The utility model content
The utility model purpose is a kind of oil well blowout-prevention environmental protecting device of design, with former oil seepage and the environment pollution that prevents that the sucker rod distortion from causing.
The oil well blowout-prevention environmental protecting device, it has the interior sealed rubber cover of environmental sealing sucker rod, described interior sealed rubber is sleeved in the outer tube and sealed at both ends fixing, and outer sleeve upper is connected with a top communicating pipe by flange, is built-in with a plurality of annulus that stack top communicating pipe; The outer tube lower end is connected with tee piece by flange plate.
The utility model, has prevented environment pollution and has reduced the crude oil loss collecting by threeway behind the former oil accumulation of seepage owing to adopting interior sealed rubber cover to be enclosed within on the sucker rod.
Description of drawings
Figure is the utility model structural representation.
The specific embodiment
As shown in the figure, the oil well blowout-prevention environmental protecting device, it has the interior sealed rubber cover of environmental sealing sucker rod, and described interior sealed rubber is sleeved in the outer tube and sealed at both ends fixing, outer sleeve upper is connected with a top communicating pipe 4 by flange, is built-in with a plurality of annulus that stack 5 top communicating pipe; The outer tube lower end is connected with tee piece 15 by flange plate 13.Described outer tube is two sections and is divided into epimere outer tube 6 and hypomere outer tube 11, is threaded connection between epimere outer tube 6 and the hypomere outer tube 11, and hypomere outer tube 11 is crossed flange plate 13 and is connected with tee piece 15, is fixed with locating sleeve 14 on the flange plate 13.Described interior sealed rubber cover is divided in the epimere sealed rubber cover 12 in the sealed rubber cover 7 and hypomere, and sealed rubber overlaps 7 internal diameters and overlaps 12 little than sealed rubber in the hypomere in the epimere; Sealed rubber cover 12 is positioned at hypomere outer tube 11 in the hypomere, and sealed rubber overlaps that 7 external diameters diminish from bottom to top gradually and the lower end is fixed on the control sucker rod flange plate 9 by thick iron flange sheet 8 in the epimere, and sealed rubber overlaps 7 upper ends and is connected on the flange in the epimere.
The utility model consists of three kinds of vacuum leak-proof structures by three sleeve pipes (epimere outer tube, hypomere outer tube and top communicating pipe) combination, the first that is positioned at the bottom is: pipe all adopts caulking gum to be enclosed within on the sucker rod, fix with flange, screw, and up and down extruding, make tightly sealing in the pipe, if wearing and tearing are arranged, can step up screw, step up perhaps that connection of thread can reach the tighter sealing effectiveness of secondary between sleeve pipe and the sleeve pipe.
Be positioned at the second anti-leakage structure in stage casing: be enclosed within on the sucker rod with sealing rubber cover, clamp the pipe wall of sealing rubber cover with flange.Rubber gasket and rubber case are one, clamp with flange plate, belong to a kind of vacuum leak-proof principle.
Superposed the third anti-leakage structure: be iron flange dish (annulus) about one centimetre with about thickness, about 1 millimeter than sucker rod of diameter of bore, not being attached on the sucker rod tightly, can not affect sucker rod flexibly movable up and down because it and sucker rod have that certain space also can not be caused and sucker rod between wearing and tearing.These iron flange sheets are piled up, and iron block has certain weight, can be by crude oil, and perhaps the impact force jack-up of oil gas is come, and they are nature evenly, and that does not wait is attached to around the sucker rod, produces a kind of natural sealing function.
By above three kinds of seal constructions and principle, so that crude oil from underground extraction, directly enters in the threeway accumulator tank.Through for a long time wearing and tearing, can allow they and sucker rod that the very natural effect of being close to is arranged after their sealing, the antiseep effect is better, guarantees can not leak out along sucker rod.Above three kinds of principles are with tightly sealing, and sucker rod is close to, do not injure again sucker rod flexibly up and down the oil pumping activity be main principle, and most important be to form a kind of natural sealing effectiveness of being close to after the mutually friction to allow after the sealing tightly between them.
The contrast accompanying drawing provides each component names and effect among the figure and specifies.Dotted line is sucker rod among the figure, at the middle up and down iron of sleeve pipe.1-connecting screw, 2-mounting flange, 3-valve rubber: the rubber matting between flange and the flange, play the seepage effect that prevents.5-flange plate: (middle pile of round iron piece that gets up): stacked, play the sealed vacuum effect that forms nature with them to pressing down.Internal thread and outer silk between upper sleeve portion and the hypomere sleeve pipe, they are connected to each other effect.6-means outer tube: the sleeve pipe of outside.7-rubber case: be enclosed within on the sucker rod with sealing rubber cover, clamp the rubber matting of sealing rubber cover one with flange.8-rubber case flange plate: the flange plate of control rubber case.9-sucker rod flange plate: the flange plate of control sucker rod.The outer silk of 10-sleeve pipe and outer: be connected between sleeve pipe and the sleeve pipe.11-hypomere outer tube: sealed rubber is equipped with in inside.Sealed rubber cover in the 12-hypomere: a monoblock rubber case, interior diameter than sucker rod slightly large one millimeter, external diameter is less one millimeter than outer tube, just in time puts in sleeve pipe.13-flange plate: play the effect that the control sucker rod can not roll, large two or three millimeters than sucker rod of the interior diameters of flange plate.The 14-locating sleeve is welded on the sleeve pipe on the flange plate: projected state on flange plate is used in the control sealed rubber cover and can not rolls and more can play sealing function through pushing up and down the sleeve pipe that is squeezed on the flange plate after the rubber case.The 15-threeway: lead to the threeway of oil storage tank, the tank connected internal thread of the threeway internal thread oil storage of an end connects, and the threeway internal thread of an other end is connected with the internal thread of oil pick-up tube sub-connection.
Adopt following connector in being connected between means outer tube 6 and top communicating pipe 4: screw: the screw (clip valve rubber between the flange plate, flange plate presss from both sides among one of them sleeve pipe is valve rubber with the rubber case one) that is used for the adpting flange sheet.Flange plate: rubber case among the control sleeve pipe, and clamp the valve rubber of rubber case one, play sealing function.Flange plate (being welded on the flange plate in the sleeve pipe): control other a slice flange plate, play fixation.
Claims (3)
1. oil well blowout-prevention environmental protecting device, it is characterized in that having the interior sealed rubber cover of environmental sealing sucker rod, described interior sealed rubber is sleeved in the outer tube and sealed at both ends fixing, outer sleeve upper is connected with a top communicating pipe (4) by flange, is built-in with a plurality of annulus that stack (5) top communicating pipe; The outer tube lower end is connected with tee piece (15) by flange plate (13).
2. oil well blowout-prevention environmental protecting device according to claim 1, it is characterized in that described outer tube is two sections and is divided into epimere outer tube (6) and hypomere outer tube (11), be threaded connection between epimere outer tube (6) and the hypomere outer tube (11), hypomere outer tube (11) is crossed flange plate (13) and is connected with tee piece (15), is fixed with locating sleeve (14) on the flange plate (13).
3. oil well blowout-prevention environmental protecting device according to claim 1, it is characterized in that described interior sealed rubber cover is divided into sealed rubber cover (7) and the interior sealed rubber cover (12) of hypomere in the epimere, and sealed rubber cover (7) internal diameter is little than sealed rubber cover (12) in the hypomere in the epimere; Sealed rubber cover (12) is positioned at hypomere outer tube (11) in the hypomere, interior sealed rubber cover (7) external diameter of epimere diminishes from bottom to top gradually and the lower end is fixed on the control sucker rod flange plate (9) by thick iron flange sheet (8), and sealed rubber cover (7) upper end is connected on the flange in the epimere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220617119 CN202900138U (en) | 2012-11-20 | 2012-11-20 | Blowout-prevention and environmental-protection device for oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220617119 CN202900138U (en) | 2012-11-20 | 2012-11-20 | Blowout-prevention and environmental-protection device for oil well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202900138U true CN202900138U (en) | 2013-04-24 |
Family
ID=48120821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220617119 Expired - Fee Related CN202900138U (en) | 2012-11-20 | 2012-11-20 | Blowout-prevention and environmental-protection device for oil well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202900138U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996093A (en) * | 2012-11-20 | 2013-03-27 | 康雄雄 | Oil well blowout-prevention environmentally-friendly device |
-
2012
- 2012-11-20 CN CN 201220617119 patent/CN202900138U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996093A (en) * | 2012-11-20 | 2013-03-27 | 康雄雄 | Oil well blowout-prevention environmentally-friendly device |
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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: 20130424 Termination date: 20141120 |
|
| EXPY | Termination of patent right or utility model |