CN209083249U - A kind of split type oil pipe self-sealing blowout preventer - Google Patents
A kind of split type oil pipe self-sealing blowout preventer Download PDFInfo
- Publication number
- CN209083249U CN209083249U CN201821454934.2U CN201821454934U CN209083249U CN 209083249 U CN209083249 U CN 209083249U CN 201821454934 U CN201821454934 U CN 201821454934U CN 209083249 U CN209083249 U CN 209083249U
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- CN
- China
- Prior art keywords
- fixed body
- self
- sealing
- oil pipe
- blowout preventer
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- 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.)
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Abstract
The utility model is a kind of split type oil pipe self-sealing blowout preventer, risen in underground work the greasy dirt of down-hole string outer wall can be scraped in well when lower tubular column construction, facilitate self-sealing blowout preventer switch and installation exercise.This oil pipe self-sealing blowout preventer includes upper fixed body, lower fixed body and self-sealing core, and upper fixed body and lower fixed body are split type fixed body, and upper fixed body is connected by upper fixed pin shaft, and lower fixed body is connected by lower fixed pin shaft；Self-sealing core is held between fixed body and lower fixed body, is fixed by connection bolt.Self-styled existing security risk can be held high to avoid worker when oil pipe rotation using the present apparatus, ensure that construction safety.Present apparatus structure is simple, using effect is obvious, it is ensured that round trip is normally carried out, and has apparent economic and social benefit.
Description
Technical field
The utility model relates to the well mouth oil pipe self-packer of petroleum industry, especially a kind of split type oil pipe self-sealing well
Device, rising in underground work can scrape in well by the greasy dirt of down-hole string outer wall when lower tubular column construction, facilitate falling for self-sealing blowout preventer
It changes and installation exercise.
Background technique
Oil pipe self-sealing blowout preventer is widely used in underground work round trip, when due to playing lower tubular column operation, well head
Apart from about 2-4 meters of distance of well-mouth operating floor, the greasy dirt of oil-pipe external wall can be scraped after well head installs self-sealing blowout preventer into
In pit shaft, makes to mention the oil pipe to well-mouth operating floor and relatively clean.Oil pipe self-sealing blowout preventer used at present is mostly
Monoblock type needs first in replacement wellhead assembly, the operation that self-sealing blowout preventer is installed to well head by the upper solid of self-sealing blowout preventer
Determine body and self-sealing core is set to outside oil pipe, worker's height tightens oil pipe after lifting self-sealing core and upper fixed body, then transfers again
The three parts of self-sealing blowout preventer are combined and are fixed on above wellhead blowout preventor by oil pipe.The operation process is very complicated, the activity duration
It is long, and the large labor intensity of worker, expend a large amount of physical strength.There is also some potential safety problems during being buckled on oil pipe,
It is easy to happen mechanical accident.
Also there are a kind of split type self-sealing blowout preventer, upper and lower fixed body and all two parts of self-sealing core, a side at present
Structure complex sealing performance easy to damage, another aspect self-sealing core in face is poor.
Summary of the invention
The purpose of the utility model is to provide a kind of split type oil pipe self-sealing blowout preventers, so that switching the work of self-sealing blowout preventer
Industry becomes simple, safety, shortens the activity duration for switching self-sealing blowout preventer, mitigates the labor intensity of operator, improves work
Efficiency.
The utility model is realized in this way: a kind of split type oil pipe self-sealing blowout preventer includes upper fixed body, lower fixed body
And self-sealing core, upper fixed body and lower fixed body are split type fixed body, and upper fixed body is connected by upper fixed pin shaft, lower solid
Determine body to connect by lower fixed pin shaft；Self-sealing core is held between fixed body and lower fixed body, is fixed by connection bolt.
Compared with existing oil pipe self-sealing blowout preventer, the utility model has the beneficial effects that: the utility model is upper solid
Determine body and lower fixed body adopts a split structure, is involuted by two semicircle plate bodys, makes to switch self-sealing blowout preventer
Operation process becomes simple, light, avoids the complexity of operation process.The time for not only shortening operation, improve work
Efficiency, it is often more important that the labor intensity for alleviating worker saves physical strength.It can be to avoid work when oil pipe rotation using the present apparatus
People holds self-styled existing security risk high, ensure that construction safety.Present apparatus structure is simple, using effect is obvious, it is ensured that rises
Tripping operation is normally carried out, and has apparent economic and social benefit.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of upper fixed body.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing, not limits the protection scope of the utility model.It is as described below to be only
The preferred embodiment of the utility model, other use the equivalence changes of the utility model, should belong to the protection of the utility model
Range.
Referring to Fig. 1 and Fig. 2, a kind of split type oil pipe self-sealing blowout preventer includes upper fixed body 1, lower fixed body 2 and self-styled core
Son 3, upper fixed body 1 and lower fixed body 2 are split type fixed body, and upper fixed body 1 is connected by upper fixed pin shaft 5, lower fixation
Body 2 is connected by lower fixed pin shaft 6；Self-sealing core 3 is held between fixed body 1 and lower fixed body 2, is consolidated by connection bolt 4
It is fixed.
Fixed body 1 is to be connected to upper fixed pin shaft 5 by two semicircle plate bodys to involute above, two semicircles
It is corresponding with the bolt hole of preventer upper flange that bolt hole, the bolt hole are uniformly distributed on shape plate body.Upper fixed body 1 and upper fixation
The connection type of pin shaft 5 can be: upper fixed pin shaft 5 is fixed on the side of a semicircle plate body involutory surface, another semicircle
The side of shape plate body involutory surface is equipped with pin nose and connect and can be rotated around upper fixed pin shaft 5 with upper fixed pin shaft 5；Also can be
The side of two semicircle plate body involutory surfaces is all provided with connection nose, is connected to fixed pin shaft 5 and involutes above.
The aperture of centre bore after the semicircle plate body pairing of two of fixed body 1 is greater than the box cupling of institute's lower oil tube
Outer diameter, the centre bore upper end after pairing be equipped with inner chamfer, be equipped with self-sealing core in plate body below the centre bore after pairing and accommodate
Chamber.
Two external edge of semicircular plate of fixed body 1 are equipped with bolt installation step, in the bolt installation step
Processing bolt hole.The bolt installation step keeps the upper surface of the connection bolt 4 after installation concordant with plate body or lower than plate body, makes whole
A device is neat and artistic.
The lower fixed body 2 is to be connected to lower fixed pin shaft 6 by two semicircle plate bodys to involute above, connection side
Formula is uniformly distributed the bolt hole of bolt hole, the bolt hole and preventer upper flange as being same as above fixed body 1 on two semicircle plate bodys
Corresponding, the aperture of the centre bore after two semicircle plate body pairings is less than or equal to the middle part outer diameter of self-sealing core 3, makes certainly
Envelope fuse 3 can be clamped in two semicircle plate bodys of lower fixed body 2.
The self-sealing core 3 is cylindrical body, top outer diameter is equipped with assembly step, lower outer diameter is tapered major diameter, self-styled core
The centre bore of son 3 is bellmouth, upper end aperture greater than lower end aperture, and lower end aperture is consistent with the tubing coupling outer diameter removed,
Greasy dirt on oil-pipe external wall from well out can be scraped in well.
The switching operation method of the present apparatus is as follows:
1, by 3 sets of oil inlet pipes of self-sealing core, oil pipe make-up links together；
2, lower fixed body 2 is installed；
3, upper fixed body 1 is installed；
4, upper fixed body 1 and lower fixed body 2 connection bolt 4 are fixed in the upper flange of preventer, completion is switched certainly
Seal the operation of blowout preventer.
The embodiment described above is only exemplary embodiments, but the utility model is not limited only to these embodiments, ability
The technical staff in domain can make modification under the spirit and enlightenment without departing from the utility model.Aspect disclosed herein may
In the presence of many changes, combination and modification, and all in the scope of the utility model, therefore, protection scope is not limited only to above
Explanation.
Claims (6)
1. a kind of split type oil pipe self-sealing blowout preventer, including upper fixed body, lower fixed body and self-sealing core, characterized in that upper solid
Determining body and lower fixed body is split type fixed body, and upper fixed body is connected by upper fixed pin shaft, and lower fixed body passes through lower fixation
Pin shaft connection；Self-sealing core is held between fixed body and lower fixed body, is fixed by connection bolt.
2. a kind of split type oil pipe self-sealing blowout preventer as described in claim 1, characterized in that fixed body is by two
Semicircle plate body is connected to above fixed pin shaft and involutes, and is uniformly distributed bolt hole, the bolt on two semicircle plate bodys
Hole is corresponding with the bolt hole of preventer upper flange.
3. a kind of split type oil pipe self-sealing blowout preventer as claimed in claim 1 or 2, characterized in that the two of fixed body
The aperture of centre bore after a semicircle plate body pairing is greater than the centre bore upper end after the outer diameter of the box cupling of institute's lower oil tube, pairing
Equipped with inner chamfer, self-sealing core accommodating chamber is equipped in plate body below the centre bore after pairing.
4. a kind of split type oil pipe self-sealing blowout preventer as claimed in claim 3, characterized in that the two and half of fixed body
The external edge of circular slab is equipped with bolt installation step, the processing bolt hole in the bolt installation step.
5. a kind of split type oil pipe self-sealing blowout preventer as described in claim 1, characterized in that the lower fixed body is by two
Semicircle plate body is connected to above lower fixed pin shaft and involutes, and is uniformly distributed bolt hole, the bolt on two semicircle plate bodys
Hole is corresponding with the bolt hole of preventer upper flange, and the aperture of the centre bore after two semicircle plate body pairings is less than or equal to
The middle part outer diameter of self-sealing core.
6. a kind of split type oil pipe self-sealing blowout preventer as claimed in claim 1 or 5, characterized in that the self-sealing core is cylinder
Body, top outer diameter are equipped with assembly step, lower outer diameter is tapered major diameter, and the centre bore of self-sealing core is bellmouth, upper end hole
Diameter is greater than lower end aperture, and lower end aperture is consistent with the tubing coupling outer diameter removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821454934.2U CN209083249U (en) | 2018-09-06 | 2018-09-06 | A kind of split type oil pipe self-sealing blowout preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821454934.2U CN209083249U (en) | 2018-09-06 | 2018-09-06 | A kind of split type oil pipe self-sealing blowout preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209083249U true CN209083249U (en) | 2019-07-09 |
Family
ID=67115917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821454934.2U Expired - Fee Related CN209083249U (en) | 2018-09-06 | 2018-09-06 | A kind of split type oil pipe self-sealing blowout preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209083249U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982511A (en) * | 2021-11-04 | 2022-01-28 | 克拉玛依捷锐石油科技有限公司 | Concentric continuous pipe sand suction device |
-
2018
- 2018-09-06 CN CN201821454934.2U patent/CN209083249U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982511A (en) * | 2021-11-04 | 2022-01-28 | 克拉玛依捷锐石油科技有限公司 | Concentric continuous pipe sand suction device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190709 Termination date: 20200906 |