CN208777942U - Eccentric abrasion prevention wellhead assembly - Google Patents
Eccentric abrasion prevention wellhead assembly Download PDFInfo
- Publication number
- CN208777942U CN208777942U CN201820537186.8U CN201820537186U CN208777942U CN 208777942 U CN208777942 U CN 208777942U CN 201820537186 U CN201820537186 U CN 201820537186U CN 208777942 U CN208777942 U CN 208777942U
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- CN
- China
- Prior art keywords
- lifting lug
- disk body
- installation lifting
- abrasion prevention
- eccentric abrasion
- 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.)
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Abstract
The utility model relates to ring flange technical fields, it is a kind of eccentric abrasion prevention flange, eccentric abrasion prevention anti-overflow pipe and eccentric abrasion prevention wellhead assembly, the former includes disk body and upper installation lifting lug, disk body is equipped at least two circumferentially equally distributed flange holes, and at least two circumferentially equally distributed upper installation lifting lugs are fixed on the outside of disk body;The latter includes tube body and eccentric abrasion prevention flange;Eccentric abrasion prevention wellhead assembly includes that eccentric abrasion prevention anti-overflow pipe, ram preventer, wirerope, connection bolt and derrick base, every group of mutual corresponding upper installation lifting lug and lower installation lifting lug are linked together by wirerope.The utility model is structurally reasonable and simple, using, it is easy to process, disk body is first fixedly mounted on to the top of ram preventer by flanged joint, ram preventer and derrick base specification are fixed together by upper installation lifting lug and wirerope again, prevent ram preventer from shifting, eccentric wear is reduced, the service life is extended, reduces production cost;Have the characteristics that safe, laborsaving, easy, efficient.
Description
Technical field
The utility model relates to ring flange technical fields, are a kind of eccentric abrasion prevention wellhead assemblies.
Background technique
Development well, sidetracked hole in petroleum, in drilling engineering design, a part of well head only requires installation ram preventer,
But there is no the components that connecting steel wire ropes are arranged on ram preventer, it can not with being standardized by wirerope and derrick base
It is fixed together, thus the fixation of ram preventer is not firm enough, Yi Fasheng eccentric phenomena.It is anti-due to being generally used for connection flashboard
The anti-overflow pipe tube bottom flange of spray apparatus with a thickness of 30mm, wear no resistance, so that the upper flange bore wear of ram preventer is tighter
Weight.In the use process of ram preventer, general to require: abrasion loss is more than 5mm on main passing hole Radius direction in office, and
The pressure for having carried out Welding Repair twice is scrapped.Ram preventer cost is high, and very big economic damage will be generated by integrally scrapping
It loses, increases production cost.
Summary of the invention
The utility model provides a kind of eccentric abrasion prevention wellhead assembly, overcomes the defects of the prior art, can be effective
Specification fixation can not be carried out by wirerope and derrick base by solving existing ram preventer, be also easy to produce and be seriously worn and improve life
The problem of producing cost.
The technical solution of the utility model first is that being realized by following measures: a kind of eccentric abrasion prevention flange, including disk
Body and upper installation lifting lug, disk body is equipped at least two, and circumferentially equally distributed flange hole, disk body outside are fixed at least two
A circumferentially equally distributed upper installation lifting lug.
Here is the further optimization and/or improvements to above-mentioned utility model technical solution:
The quantity of above-mentioned upper installation lifting lug can be 4.
The quantity of above-mentioned flange hole can be 4, and itself and upper installation lifting lug are in cross-distribution, each flange axially bored line and disk
Plane where body axis is known as the first reference planes, crosses disk body axis and the fore-and-aft plane that can averagely divide each lifting lug claims
For the second reference planes, the angle α between any two adjacent the first reference planes and the second reference planes is 45 °.
The thickness of above-mentioned disk body can be 112.8mm or 168.3mm.
The technical solution of the utility model second is that being realized by following measures: a kind of eccentric abrasion prevention anti-overflow pipe, including
Tube body and eccentric abrasion prevention flange are fixed together at the top of the bottom end of tube body and disk body.
The technical solution of the utility model third is that being realized by following measures: a kind of eccentric abrasion prevention wellhead assembly, packet
Eccentric abrasion prevention anti-overflow pipe, ram preventer, wirerope, connection bolt and derrick base are included, is equipped with upper connection at the top of ram preventer
Flange, upper connecting flange and disk body are fixedly installed togather by connecting bolt, and ram preventer lower outer is equipped with derrick bottom
Seat corresponds to and is respectively and fixedly provided with lower installation lifting lug, every group of mutual corresponding upper installation on the derrick base of each upper installation lifting lug position
Lifting lug and lower installation lifting lug are linked together by wirerope.
Here is the further optimization and/or improvements to above-mentioned utility model technical solution:
It can be equipped with U-shaped card at above-mentioned each upper installation lifting lug and lower installation lifting lug, be equipped in the opening of each U-shaped card
The connection bolt passed through out of corresponding upper installation lifting lug or lower installation lifting lug, mutual corresponding U-shaped card above and below every two
Between linked together by wirerope.
The utility model is structurally reasonable and simple, using, it is easy to process, first disk body is fixedly mounted on by flanged joint
The top of ram preventer, then ram preventer and derrick base specification are fixed on one by upper installation lifting lug and wirerope
It rises, prevents ram preventer from shifting, reduce eccentric wear, prolong its service life, reduce production cost;With it is safe, laborsaving,
Easy, efficient feature.
Detailed description of the invention
Attached drawing 1 is the overlooking structure diagram of the utility model embodiment 1.
Attached drawing 2 be attached drawing 1 A-A to overlooking structure diagram.
Attached drawing 3 is the main view broken section structural schematic diagram of the utility model embodiment 3.
Coding in attached drawing is respectively as follows: 1 for disk body, and 2 be upper installation lifting lug, and 3 be flange hole, and 4 be ram preventer, and 5 are
Wirerope, 6 be derrick base, and 7 be tube body, and 8 be upper connecting flange, and 9 be lower installation lifting lug, and 10 be U-shaped card, and 11 be connection spiral shell
Bolt, α are angle.
Specific embodiment
The utility model is not limited by following embodiments, can technical solution according to the present utility model and actual conditions
Determine specific embodiment.
In the present invention, for ease of description, the description of the relative positional relationship of each component is according to specification
The Butut mode of attached drawing 1 is described, such as: front, rear, top, and bottom, left and right positional relationship be according to Figure of description 1
Butut direction determine.
The utility model is further described below with reference to examples and drawings:
Embodiment 1: as shown in attached drawing 1,2,3, which includes disk body 1 and upper installation lifting lug 2, is set on disk body 1
There are at least two circumferentially equally distributed flange holes 3, at least two circumferentially equally distributed upper peaces are fixed on the outside of disk body 1
Fill lifting lug 2.The present embodiment is structurally reasonable and simple, using, it is easy to process, first disk body 1 is fixedly mounted on by flanged joint
The top of ram preventer 4, then by upper installation lifting lug 2 and wirerope 5 by ram preventer 4 and derrick base 6 standardize it is solid
It is scheduled on together, prevents ram preventer 4 from shifting, reduce eccentric wear, prolong its service life, reduce production cost;With peace
Entirely, laborsaving, easy, efficient feature.
Above-mentioned eccentric abrasion prevention flange can be made further optimization and/or improvements according to actual needs:
As shown in attached drawing 1,2,3, the quantity of upper installation lifting lug 2 is 4.By above-mentioned setting, can be tightened by four
Wirerope 5 is fixed from quadrangle and derrick base 6 by ram preventer 4, improves overall stability.
As shown in attached drawing 1,2,3, the quantity of flange hole 3 is 4, and itself and upper installation lifting lug 2 are in cross-distribution, Mei Gefa
Plane where 1 axis of 3 axis of flange aperture and disk body is known as the first reference planes, crosses 1 axis of disk body and each lifting lug 2 can be averaged
The fore-and-aft plane of segmentation is known as the second reference planes, between any two adjacent the first reference planes and the second reference planes
Angle α is 45 °.Above-mentioned setting, positioning easy to process, and also playing prevents connection bolt 11 and wirerope 5 from interfering
Effect.
As needed, disk body 1 with a thickness of 112.8mm or 168.3mm.Above-mentioned setting can make wellhead assembly that eccentric wear occur
When, only disk body 1 is worn, and then the abrasion loss that the upper flange that ram preventer 4 is reduced or avoided is subject to, only need to be to disk body
1 is repaired or replaced, and extends the service life of ram preventer 4, reduces production cost.
Embodiment 2: as shown in attached drawing 1,2,3, eccentric abrasion prevention anti-overflow pipe includes tube body 7 and eccentric abrasion prevention flange, the bottom end of tube body 7
It is fixed together with the top of disk body 1.Tube body 7 and disk body 1 can be wholely set, it is stable to improve its.
Embodiment 3: as shown in attached drawing 1,2,3, eccentric abrasion prevention wellhead assembly includes eccentric abrasion prevention anti-overflow pipe, ram preventer 4, steel
Cord 5 connects bolt 11 and derrick base 6, is equipped with upper connecting flange 8, upper connecting flange 8 and disk body 1 at the top of ram preventer 4
It is fixedly installed togather by connecting bolt 11,4 lower outer of ram preventer is equipped with derrick base 6, corresponding each upper installation
Lower installation lifting lug 9 is respectively and fixedly provided on the derrick base 6 of 2 position of lifting lug, every group of mutual corresponding upper installation lifting lug 2 and lower installation are hung
Ear 9 is linked together by wirerope 5.On derrick base 6 ground on the outside of well head, above-mentioned setting can prevent flashboard
Spray apparatus 4 and derrick base 6 are fixed together, and prevent ram preventer 4 from shifting, and reduce eccentric wear, prolong its service life, and drop
Low production cost;Have the characteristics that safe, laborsaving, easy, efficient.
Above-mentioned eccentric abrasion prevention wellhead assembly can be made further optimization and/or improvements according to actual needs:
As shown in attached drawing 1,2,3, U-shaped card 10, each U-shaped card are equipped at each upper installation lifting lug 2 and lower installation lifting lug 9
The connection bolt 11 passed through out of corresponding upper installation lifting lug 2 or lower installation lifting lug 9, every two are equipped in 10 opening
It is linked together by wirerope 5 between upper and lower mutual corresponding U-shaped card 10.The setting of U-shaped card 10, convenient for the present embodiment
Installation, at the same can guarantee 5 pulling force of wirerope to neutrality, avoid wirerope 5 from affecting ram preventer 4 when being pullled by external force.
The above technical characteristic constitutes the preferred embodiment of the utility model, with stronger adaptability and preferably implementation
Effect can increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.
Claims (5)
1. a kind of eccentric abrasion prevention wellhead assembly, it is characterised in that including eccentric abrasion prevention flange, tube body, ram preventer, wirerope, connection
Bolt and derrick base, eccentric abrasion prevention flange include disk body and upper installation lifting lug, and disk body is equipped at least two and circumferentially uniformly divides
The flange hole of cloth is fixed at least two circumferentially equally distributed upper installation lifting lugs, the bottom end of tube body and disk body on the outside of disk body
Top be fixed together, it is solid by connection bolt that upper connecting flange, upper connecting flange and disk body are equipped at the top of ram preventer
Dingan County is fitted together, and ram preventer lower outer is equipped with derrick base, the derrick base of corresponding each upper installation lifting lug position
On be respectively and fixedly provided with lower installation lifting lug, every group of mutual corresponding upper installation lifting lug and lower installation lifting lug pass through wirerope and are connected to one
It rises, is equipped with U-shaped card at each upper installation lifting lug and lower installation lifting lug, is equipped in the opening of each U-shaped card from corresponding
Upper installation lifting lug or lower installation lifting lug in the connection bolt that passes through, pass through above and below every two between mutual corresponding U-shaped card
Wirerope links together.
2. eccentric abrasion prevention wellhead assembly according to claim 1, it is characterised in that the quantity for above installing lifting lug is 4.
3. eccentric abrasion prevention wellhead assembly according to claim 1 or 2, it is characterised in that the quantity of flange hole be 4, and itself and
Upper installation lifting lug is in cross-distribution, and plane where each flange axially bored line and disk body axis is known as the first reference planes, crosses disk body
Axis and the fore-and-aft plane that can averagely divide each lifting lug are known as the second reference planes, the first adjacent reference of any two
Angle α between plane and the second reference planes is 45 °.
4. eccentric abrasion prevention wellhead assembly according to claim 1 or 2, it is characterised in that disk body with a thickness of 112.8mm or
168.3mm。
5. eccentric abrasion prevention wellhead assembly according to claim 3, it is characterised in that disk body with a thickness of 112.8mm or
168.3mm。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820537186.8U CN208777942U (en) | 2018-04-16 | 2018-04-16 | Eccentric abrasion prevention wellhead assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820537186.8U CN208777942U (en) | 2018-04-16 | 2018-04-16 | Eccentric abrasion prevention wellhead assembly |
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CN208777942U true CN208777942U (en) | 2019-04-23 |
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CN201820537186.8U Expired - Fee Related CN208777942U (en) | 2018-04-16 | 2018-04-16 | Eccentric abrasion prevention wellhead assembly |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112253035A (en) * | 2020-10-09 | 2021-01-22 | 盐城市荣嘉机械制造有限公司 | Well drilling blowout prevention structure and device thereof |
-
2018
- 2018-04-16 CN CN201820537186.8U patent/CN208777942U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112253035A (en) * | 2020-10-09 | 2021-01-22 | 盐城市荣嘉机械制造有限公司 | Well drilling blowout prevention structure and device thereof |
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Legal Events
Date | Code | Title | Description |
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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: 20190423 Termination date: 20210416 |