CN205778578U - A kind of oil pipe four-way being applicable to plurality of specifications sleeve pipe - Google Patents
A kind of oil pipe four-way being applicable to plurality of specifications sleeve pipe Download PDFInfo
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- CN205778578U CN205778578U CN201620525973.1U CN201620525973U CN205778578U CN 205778578 U CN205778578 U CN 205778578U CN 201620525973 U CN201620525973 U CN 201620525973U CN 205778578 U CN205778578 U CN 205778578U
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- oil pipe
- seal assembly
- ring
- way
- lower seal
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Abstract
This utility model is the oil pipe four-way being applicable to plurality of specifications sleeve pipe, including oil pipe four-way body, lower seal assembly, tubing hanger assembly, lower bottom base, inner vertical be provided with from top to bottom run through cylinder cavity passage, the described tubing hanger assembly described passage of insertion is interior and does upper and lower piston like motion, described oil pipe four-way body is provided with inside step, described lower seal assembly it is provided with, the internal diameter of described lower seal assembly includes 7 ", 7 5/8 ", 7 3/4 ", 7 7/8 " four kinds of specifications below described step.Unconventional integrative-structure, seals the sleeve pipe of different size respectively, to ensure that a kind of oil pipe four-way can be used on the sleeve pipe of plurality of specifications.Solve to subscribe the problem that product specification does not matches with actual regulation.
Description
Technical field
This utility model relates to a kind of oil pipe four-way being applicable to plurality of specifications sleeve pipe.
Background technology
At present, the domestic a large amount of wellhead equipment of oil and gas development demand, oil field at home company order wellhead equipment time,
Often to shift to an earlier date 3～6 months.Now, prepare mounting shaft jaws equipment well location be typically in just determine well location or
Person, just in the middle of drilling process, designs all reservations of wellhead equipment specification used.Therefore, real after exploitation
Border hole condition (yield pressure) may be different with anticipated, and ordered wellhead equipment has not likely been suitable for
Abandoned wells.Conventional oil pipe four-way design is only applicable to a kind of sleeve pipe, need to require to determine according to user during design
Oil pipe four-way lower end size seals sleeve pipe, so needing a kind of oil pipe four-way being applicable to plurality of specifications sleeve pipe badly,
Solve to subscribe the problem that product specification does not matches with actual regulation.
Summary of the invention
The purpose of this utility model is to provide a kind of oil pipe four-way being applicable to plurality of specifications sleeve pipe, solves
Subscribe the problem that product specification does not matches with actual regulation.
The technical scheme that this utility model employing is following:
A kind of oil pipe four-way being applicable to plurality of specifications sleeve pipe, including oil pipe four-way body (1), lower seal
Assembly (2), tubing hanger assembly (3), lower bottom base (4), described oil pipe four-way body (1) bottom with go to the bottom
Seat (4) top is provided with flange and connects by this flange is fixing, and both inner vertical are provided with by up to
Under the cylindrical cavity passage (11) run through, described tubing hanger assembly (3) is stage casing external diameter more than upper-lower section
Tube structure, described tubing hanger assembly (3) inserts in described passage (11) and does upper and lower piston like motion,
It is characterized in that: described passage (11) bottom opening of described oil pipe four-way body (1) be internally provided with to
The step (12) of interior receipts, is provided with described lower seal assembly (2) below described step；
Described lower seal assembly (2) includes that hold-down ring (5), outer cone ring (6), interior conical ring (7), P are close
Envelope (8), lining (9), FS seal (10), and described lining (9) is tubular, and its outer ring is provided with annular
Groove, is provided with the FS described in annular and seals (10) in this cannelure, its inner ring is provided with cannelure, this ring
The described P being provided with annular in shape groove seals (8), and described lining (9) inserts the opening of described channel bottom,
Its upper end offsets with described step (12), is provided with interior conical ring (7), outer cone ring (6), annular below
Hold-down ring (5) offsets the most successively, and described lower seal assembly (2) is internally formed from top to bottom
Cylindrical cavity, the bottom surface of described lower seal assembly (2) offsets with the end face of described lower bottom base (4), oil
Pipe inserts the under shed of described lower bottom base and is extended down in described lining (9), described lower seal assembly (2)
Seal this sleeve pipe outer rim；
The internal diameter of described lower seal assembly (2) can be used for 7 ", 7 5/8 ", 7 3/4 ", 7 7/8 " four
Plant the sealing of gauge cannula.
Described hold-down ring (5) is by between described oil pipe four-way body (1) bottom and lower bottom base (4) flange
Through bolt presses, described P seals (8) and passes through grease seal.
Described oil pipe four-way body (1) side is provided with jackscrew (13), described jackscrew (13) insert end with
Described tubing hanger assembly (3) offsets and fixes not moving up and down of described tubing hanger assembly (3).
Advantage of the present utility model is as follows:
1. the lower end of oil pipe four-way is designed as installing the structure of four set different size seal assemblies, and unconventional
Integrative-structure, seals the sleeve pipe of different size respectively, to ensure that a kind of oil pipe four-way can be used on plurality of specifications
Sleeve pipe.
2. it is not required to, because the change of sleeve pipe affects the use of product, save fund for user, accelerated drilling progress,
Oil field is made to obtain more preferable benefit.
Accompanying drawing illustrates:
Fig. 1 is whole interior structural representation of the present utility model；
Fig. 2 is lower bottom base annexation schematic diagram of the present utility model；
Fig. 3 is this utility model local I region structure for amplifying schematic diagram；
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described further.
Following example are only for understanding explanation this utility model example, and not to this utility model
The restriction of embodiment.For those of ordinary skill in the field, on the basis of the following description
Change or the variation of other multi-forms can also be made, and these belong to what this utility model spirit was drawn
Obviously change or change among still in protection domain of the present utility model.
A kind of oil pipe four-way being applicable to plurality of specifications sleeve pipe, including oil pipe four-way body 1, lower seal assembly
2, tubing hanger assembly 3, lower bottom base 4, is respectively provided with lower bottom base 4 top bottom described oil pipe four-way body 1
Having flange and connect by this flange is fixing, it is empty that both inner vertical are provided with the column run through from top to bottom
Chamber passage 11, described tubing hanger assembly 3 is more than the tube structure of upper-lower section, described tubing hanger for stage casing external diameter
In assembly 3 inserts described passage 11 and do upper and lower piston like motion, it is characterised in that: described oil pipe four-way this
Described passage 11 bottom opening of body 1 is internally provided with the step 12 of inwardly receipts, is provided with below described step
Described lower seal assembly 2；
Described lower seal assembly 2 include hold-down ring 5, outer cone ring 6, interior conical ring 7, P seal 8, lining 9,
FS seals 10, and described lining 9 is tubular, and its outer ring is provided with cannelure, is provided with annular in this cannelure
Described FS seals 10, and its inner ring is provided with cannelure, and the described P being provided with annular in this cannelure is close
Envelope 8, described lining 9 inserts the opening of described channel bottom, and its upper end offsets, under it with described step 12
Side is provided with interior conical ring 7, outer cone ring 6, ring compression ring 5 offset the most successively, described lower seal
Assembly 2 is internally formed cylindrical cavity from top to bottom, goes to the bottom with described in the bottom surface of described lower seal assembly 2
Seat 4 end face offset, oil pipe insert described lower bottom base under shed be extended down in described lining 9, described under
Portion's seal assembly 2 seals this sleeve pipe outer rim；
The internal diameter of described lower seal assembly 2 can be used for 7 ", 7 5/8 ", 7 3/4 ", 7 7/8 " four kinds of rule
The sealing of rule pipe.
Described hold-down ring 5 by bottom described oil pipe four-way body 1 and between lower bottom base 4 flange through bolt pressure
Tightly, grease seal is passed through in described P sealing 8.
Described oil pipe four-way body 1 side is provided with jackscrew 13, and described jackscrew 13 inserts end and described tubing hanger
Assembly 3 offsets and fixes not moving up and down of described tubing hanger assembly 3.
Specifically used method is as follows:
Tubing hanger assembly 3 is arranged on oil pipe four-way body 1, connects and tighten upper flange, solid with jackscrew 13
Stand oil pipe hanger assembly 3, overturns oil pipe four-way.
According to aboveground actual demand, lower seal assembly 2 is installed, needs to use 7 7/8 if aboveground " during sleeve pipe,
Described lower bottom base 4 under dismounting, described lower seal assembly 2 is the most from top to bottom installed, by flange even
Connect lower bottom base 4 and described oil pipe four-way body 1；Need to install 7 " during sleeve pipe, otherwise the most more if aboveground
Change the assembly that portion's seal assembly 2 closes with this diameter compatible, and traditional hatch frame being integrated is easy to
Because reservation device and practical situation are not inconsistent and the duration that occasions a delay, situation the most customized.
The method of concrete installation bottom assembly is as follows:
Lower seal assembly is installed, first described FS is sealed 10 and P sealings 8 and installs on lining 9, so
After lining 9 loaded the under shed of oil pipe four-way body 1, then be respectively mounted interior conical ring 6, outer cone ring 7, it
Rear dress hold-down ring 5, finally by bolt tight, utilizes bolt pretightening to excite sealing.
Claims (3)
1. it is applicable to an oil pipe four-way for plurality of specifications sleeve pipe, total including oil pipe four-way body (1), lower seal
Become (2), tubing hanger assembly (3), lower bottom base (4), described oil pipe four-way body (1) bottom with go to the bottom
Seat (4) top is provided with flange and connects by this flange is fixing, and both inner vertical are provided with by upper
The cylindrical cavity passage (11) run through under to, described tubing hanger assembly (3) is that stage casing external diameter is more than upper
The tube structure of hypomere, described tubing hanger assembly (3) is inserted in described passage (11) and does lower piston
Formula is moved, it is characterised in that: in described passage (11) bottom opening of described oil pipe four-way body (1)
Portion is provided with the step (12) of inwardly receipts, is provided with described lower seal assembly (2) below described step；
Described lower seal assembly (2) includes hold-down ring (5), outer cone ring (6), interior conical ring (7), P
Seal (8), lining (9), FS seals (10), and described lining (9) is tubular, and its outer ring is provided with
Cannelure, is provided with the FS described in annular and seals (10) in this cannelure, its inner ring is provided with cannelure,
The described P being provided with annular in this cannelure seals (8), and described lining (9) inserts described channel bottom
Opening, its upper end offsets with described step (12), is provided with interior conical ring (7), outer cone ring below
(6), ring compression ring (5) offset the most successively, the internal shape of described lower seal assembly (2)
Become cylindrical cavity from top to bottom, the bottom surface of described lower seal assembly (2) and described lower bottom base (4)
End face offset, oil pipe inserts in the under shed of described lower bottom base is extended down to described lining (9), described under
Portion's seal assembly (2) seals this sleeve pipe outer rim；
The internal diameter of described lower seal assembly (2) can be used for 7 ", 7 5/8 ", 7 3/4 ", 7 7/8 "
The sealing of four kinds of gauge cannula.
A kind of oil pipe four-way being applicable to plurality of specifications sleeve pipe the most according to claim 1, it is characterised in that:
Described lower seal assembly (2) seals (10), outer cone with described oil pipe four-way body (1) by FS
Ring (6) realizes sealing.
A kind of oil pipe four-way being applicable to plurality of specifications sleeve pipe the most according to claim 1 and 2, its feature exists
In: it is internal that lower seal assembly (2) is installed on oil pipe four-way body (1), selects bottom as required
The size of seal assembly (2), can be used for 7 the plurality of specifications such as ", 7 5/8 ", 7 3/4 ", 7 7/8 "
The sealing of sleeve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620525973.1U CN205778578U (en) | 2016-06-01 | 2016-06-01 | A kind of oil pipe four-way being applicable to plurality of specifications sleeve pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620525973.1U CN205778578U (en) | 2016-06-01 | 2016-06-01 | A kind of oil pipe four-way being applicable to plurality of specifications sleeve pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205778578U true CN205778578U (en) | 2016-12-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620525973.1U Active CN205778578U (en) | 2016-06-01 | 2016-06-01 | A kind of oil pipe four-way being applicable to plurality of specifications sleeve pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205778578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677484A (en) * | 2020-07-22 | 2020-09-18 | 吕学民 | Intelligent ultra-long stroke oil production system |
-
2016
- 2016-06-01 CN CN201620525973.1U patent/CN205778578U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677484A (en) * | 2020-07-22 | 2020-09-18 | 吕学民 | Intelligent ultra-long stroke oil production system |
| CN111677484B (en) * | 2020-07-22 | 2023-08-18 | 梅河口市弘业无缝钢管有限公司 | Intelligent ultra-long stroke oil extraction production system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |