CN209339894U - A kind of 36 cun of monotubular double-wellhead extracting device of oil - Google Patents
A kind of 36 cun of monotubular double-wellhead extracting device of oil Download PDFInfo
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- CN209339894U CN209339894U CN201821609525.5U CN201821609525U CN209339894U CN 209339894 U CN209339894 U CN 209339894U CN 201821609525 U CN201821609525 U CN 201821609525U CN 209339894 U CN209339894 U CN 209339894U
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- cun
- oil
- wellhead
- casing
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Abstract
The utility model provides a kind of 36 cun of monotubular double-wellhead extracting device of oil, comprising: pedestal, it is with bottom plate, installation set is fixedly installed on bottom plate, 36 cun of slips are installed in installation set, 36 cun are fallen and are fixedly installed with first sleeve on slips, are provided with multiple 36 cun of O-ring seals between the outer wall of first sleeve and the inner wall of installation set, multiple 36 cun of O-ring seals along first sleeve axial equidistant arrangement;Symmetrically arranged two oil recovery mechanism, it is fixedly installed on pedestal, oil recovery mechanism has the second casing, second casing is fixedly connected with first sleeve, it is set with sleeve outside second casing, oil pipe is connected on the second casing, oil pipe connects production tree, be provided with multiple first FS sealing rings between the outer wall of second casing and the inner wall of sleeve, multiple first FS sealing rings along the second casing axial equidistant arrangement.The utility model can effectively improve the overall sealing performance of extracting device of oil compared to the prior art.
Description
Technical field
The utility model relates to oil and gas extraction wellhead device fields, and in particular to a kind of 36 cun of monotubular double-wellhead extracting device of oil.
Background technique
Oil and gas extraction wellhead device is also known as completion interval of well mouth device, mainly includes recover the oil (gas) tree, tubing head, casing head and phase
Accessory is closed, is oil recovery (gas) equipment for hanging, supporting, control, adjust etc., as the important equipment of production of hydrocarbons, property
Can the superiority and inferiority of energy is related to oil/gas well produce safe and efficiently.It is advanced, with the continuous development of petroleum industry, also to well head
The reliability and controlling of device and valve are put forward higher requirements, this just promotes and wellhead assembly is pushed to be also at constantly
Improvement and development among.
In current oil and gas extraction wellhead device, casing head is mainly used to the well head of fixed drilling well, connects wellhead casing pipe column,
Supporting the gravity of protective casing and production string, the annular space between each layer pipe is sealed, to install preventer, tubing head,
Production tree provides transition connection, and by two side ports on casing head ontology, can carry out mending crowded mud, monitoring and fill flat
Weigh the construction operations such as liquid.In current CASINGHEAD STRUCTURE, casing head ontology is primarily present the not strong problem of sealing performance.
Utility model content
In consideration of it, the utility model provides a kind of stronger 36 cun of monotubulars double-wellhead extracting device of oil of sealing performance.
For this purpose, the utility model provides a kind of 36 cun of monotubular double-wellhead extracting device of oil comprising:
Pedestal is fixedly installed with installation set with bottom plate on bottom plate, be equipped in installation set 36 cun fall slips, 36 cun
First sleeve is fixedly installed on slips, be provided between the outer wall of first sleeve and the inner wall of installation set multiple 36 cuns it is O-shaped
Sealing ring, multiple 36 cun of O-ring seals along first sleeve axial equidistant arrangement;
Symmetrically arranged two oil recovery mechanism, is fixedly installed on pedestal, and oil recovery mechanism has the second casing, the second casing
It is fixedly connected with first sleeve, is set with sleeve outside the second casing, oil pipe is connected on the second casing, oil pipe connects production tree, the
Multiple first FS sealing rings are provided between the outer wall of two casings and the inner wall of sleeve, multiple first FS sealing rings are along second set
The axial equidistant arrangement of pipe.
Further, the junction of above-mentioned second casing and first sleeve is provided with horizontal connection tube.
Further, LP ball valve is installed, the end of horizontal connection tube is provided with 1502 and connects on above-mentioned horizontal connection tube
Head.
Further, be provided between the outer wall of above-mentioned second casing and the inner wall of sleeve the first slips type hanger or
First mandrel type hanger.
Further, multiple 2nd FS sealing rings are provided between the outer wall of above-mentioned sleeve and the inner wall of installation set, it is multiple
2nd FS sealing ring along sleeve axial equidistant arrangement.
Further, above-mentioned installation set has two installation positions of corresponding two oil recovery mechanisms.
Further, oil pipe pendant is provided between above-mentioned oil pipe and sleeve.
Further, along the third of the axial equidistant arrangement of sleeve there are two being arranged between above-mentioned oil pipe pendant and sleeve
FS sealing ring, the side of oil pipe pendant offer annular groove, and the section of annular groove is tapered, and annular groove is located at two the 3rd FS sealing
Between circle.
Further, it is additionally provided with the second mandrel type hanger between above-mentioned oil pipe and sleeve, is located at oil pipe pendant
Lower section.
Further, trapezoidal support block, trapezoidal support block and sleeve are provided between above-mentioned second mandrel type hanger and sleeve
Between be provided with O-ring seals.
A kind of 36 cun of monotubulars double-wellhead extracting device of oil provided by the utility model is mainly provided with pedestal and fixed peace
Loaded on two symmetrical oil recovery mechanisms on pedestal;By the improvement of above structure, multiple 36 cun of O-ring seals and multiple are utilized
The effect of first FS sealing ring, so that whole sealing performance is enhanced, to can effectively mention compared to the prior art
The sealing performance of high monotubular double-wellhead extracting device of oil.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this
Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is a kind of perspective view of 36 cun of monotubulars double-wellhead extracting device of oil provided by the embodiment of the utility model;
Fig. 2 is a kind of side view of 36 cun of monotubulars double-wellhead extracting device of oil provided by the embodiment of the utility model;
Fig. 3 is a kind of top view of 36 cun of monotubulars double-wellhead extracting device of oil provided by the embodiment of the utility model;
Fig. 4 is a kind of internal structure signal of 36 cun of monotubulars double-wellhead extracting device of oil provided by the embodiment of the utility model
Figure;
Fig. 5 is the enlarged drawing in the portion A in Fig. 4;
Fig. 6 is the enlarged drawing in the portion B in Fig. 4.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
Embodiment one:
Referring to Fig. 1 to Fig. 6,36 cun of monotubular double-wellheads of one kind that the offer of the utility model embodiment one is shown in figure are recovered the oil
Device comprising pedestal 1 and two oil recovery mechanisms 2, pedestal 1 have bottom plate 11, are fixedly installed with installation set 12 on bottom plate 11, pacify
Encapsulation 12 has two installation positions 121 of corresponding two oil recovery mechanisms 2, be equipped in installation set 12 36 cun fall 13,36 cun of slips fall to block
It is fixedly installed with first sleeve 14 on watts 13, multiple 36 cuns are provided between the outer wall of first sleeve 14 and the inner wall of installation set 12
O-ring seal 15, along the axial equidistant arrangement of first sleeve 14, symmetrically arranged two recover the oil multiple 36 cun of O-ring seals 15
Mechanism 2 is fixedly installed on pedestal 1, and oil recovery mechanism 2 has the second casing 21, and the second casing 21 is fixedly connected with first sleeve 14,
It is set with sleeve 22 outside second casing 21, oil pipe 23 is connected on the second casing 21, oil pipe 23 connects production tree 24, the second casing
Multiple first FS sealing rings 25 are provided between 21 outer wall and the inner wall of sleeve 22, multiple first FS sealing rings 25 are along second
The axial equidistant arrangement of casing 21.
36 cun of monotubular double-wellhead extracting device of oil of one kind provided by the present embodiment are mainly provided with pedestal and fixed installation
In two symmetrical oil recovery mechanisms on pedestal;By the improvement of above structure, multiple 36 cun of O-ring seals and multiple are utilized
The effect of one FS sealing ring, so that whole sealing performance is enhanced, to can effectively improve compared to the prior art
The sealing performance of monotubular double-wellhead extracting device of oil.
Referring to fig. 4 to Fig. 6, the junction of the second casing 21 and first sleeve 14 is provided with horizontal connection tube 3, and level is even
LP ball valve 31 is installed, the end of horizontal connection tube 3 is provided with 1502 connectors 32 on adapter tube 3.Improvement with this configuration, can
To realize that flow herein is controllable and fast assembling-disassembling.
Referring to fig. 4 to Fig. 6, the first slips type is provided between the outer wall of the second casing 21 and the inner wall of sleeve 22 on one side
Hanger 26 is provided with the first mandrel type hanger 27 between the outer wall of the second casing 21 and the inner wall of sleeve 22 of another side.
Referring to fig. 4 to Fig. 6, multiple 2nd FS sealing rings are provided between the outer wall of sleeve 22 and the inner wall of installation set 12
28, multiple 2nd FS sealing rings 28 along sleeve 22 axial equidistant arrangement.It, can be further by the improvement of above structure
Improve whole sealing performance.
Referring to fig. 4 to Fig. 6, oil pipe pendant 4 is provided between oil pipe 23 and sleeve 22;Between oil pipe pendant 4 and sleeve 22
It is arranged there are two the 3rd FS sealing ring 41 of the axial equidistant arrangement along sleeve 22, the side of oil pipe pendant 4 offers annular
The section of slot 42, annular groove 42 is tapered, and annular groove 42 is between two the 3rd FS sealing rings 41.Pass through changing for above structure
Into, can use two the 3rd FS sealing rings improve sealing performance, and using annular groove pyramidal structure, its two sides can be reduced
Sealing ring mounting groove deformation force so that the installation of sealing ring is more firm, sealing performance is stronger.
Referring to fig. 4 to Fig. 6, it is additionally provided with the second mandrel type hanger 5 between oil pipe 23 and sleeve 22, is located at tubing hanger
The lower section of part 4;Be provided with trapezoidal support block 51 between second mandrel type hanger 5 and sleeve 22, trapezoidal support block 51 and sleeve 22 it
Between be provided with O-ring seals 52, specifically, opened up down in the vertical plane 511 (trapezoidal support block 51 is inverted) of trapezoidal support block 51
O-ring seals 52 are arranged in edged surface 512 between fillet surface 512 and the second mandrel type hanger 5, setting through this structure can be with
So that sealing ring when deformation occurs using trapezoidal support block 51 keep its sealing station it is constant (trapezoidal support block 51 can be sliding connect
It is connected on the inner wall of sleeve 22), so as to improve sealing performance.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (10)
1. a kind of 36 cun of monotubular double-wellhead extracting device of oil characterized by comprising
Pedestal (1) is fixedly installed with installation set (12) on the bottom plate (11) with bottom plate (11), the installation set (12)
Inside be equipped with 36 cun fall slips (13), described 36 cun fall slips (13) on be fixedly installed with first sleeve (14), the first set
It manages and is provided with multiple 36 cun of O-ring seals (15) between the outer wall of (14) and the inner wall of the installation set (12), the multiple 36
Very little O-ring seal (15) along the first sleeve (14) axial equidistant arrangement;
Symmetrically arranged two oil recovery mechanism (2) is fixedly installed on the pedestal (1), and the oil recovery mechanism (2) has second
Casing (21), second casing (21) are fixedly connected the first sleeve (14), are set with outside second casing (21)
Cylinder (22) is connected with oil pipe (23) on second casing (21), and the oil pipe (23) connects production tree (24), and described second set
It manages and is provided with multiple first FS sealing rings (25), the multiple first FS between the outer wall of (21) and the inner wall of the sleeve (22)
Sealing ring (25) along second casing (21) axial equidistant arrangement.
2. a kind of 36 cun of monotubulars double-wellhead extracting device of oil according to claim 1, which is characterized in that second casing
(21) and the junction of the first sleeve (14) is provided with horizontal connection tube (3).
3. a kind of 36 cun of monotubulars double-wellhead extracting device of oil according to claim 2, which is characterized in that the horizontal connection tube
(3) it is equipped on LP ball valve (31), the end of the horizontal connection tube (3) is provided with 1502 connectors (32).
4. a kind of 36 cun of monotubulars double-wellhead extracting device of oil according to claim 1, which is characterized in that second casing
(21) it is provided with the first slips type hanger (26) between the inner wall of outer wall and the sleeve (22) or the first mandrel type is outstanding
Hanging device (27).
5. a kind of 36 cun of monotubulars double-wellhead extracting device of oil according to claim 1, which is characterized in that the sleeve (22)
Multiple 2nd FS sealing rings (28), the multiple 2nd FS sealing ring are provided between outer wall and the inner wall of the installation set (12)
(28) along the axial equidistant arrangement of the sleeve (22).
6. a kind of 36 cun of monotubular double-wellhead extracting device of oil according to claim 1 or 5, which is characterized in that the installation set
(12) there are two installation positions (121) of corresponding two oil recovery mechanism (2).
7. a kind of 36 cun of monotubulars double-wellhead extracting device of oil according to claim 1, which is characterized in that the oil pipe (23) and
Oil pipe pendant (4) are provided between the sleeve (22).
8. a kind of 36 cun of monotubulars double-wellhead extracting device of oil according to claim 7, which is characterized in that the oil pipe pendant
(4) along the 3rd FS sealing ring of the axial equidistant arrangement of the sleeve (22) there are two being arranged between the sleeve (22)
(41), the side of the oil pipe pendant (4) offers annular groove (42), and the section of the annular groove (42) is tapered, the ring
Shape slot (42) is between two the 3rd FS sealing ring (41).
9. a kind of 36 cun of monotubulars double-wellhead extracting device of oil according to claim 7 or 8, which is characterized in that the oil pipe
(23) it is additionally provided with the second mandrel type hanger (5), is located under the oil pipe pendant (4) between the sleeve (22)
Side.
10. a kind of 36 cun of monotubulars double-wellhead extracting device of oil according to claim 9, which is characterized in that second mandrel
It is provided between formula hanger (5) and the sleeve (22) trapezoidal support block (51), the trapezoidal support block (51) and the sleeve
(22) O-ring seals (52) are provided between.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821609525.5U CN209339894U (en) | 2018-09-30 | 2018-09-30 | A kind of 36 cun of monotubular double-wellhead extracting device of oil |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821609525.5U CN209339894U (en) | 2018-09-30 | 2018-09-30 | A kind of 36 cun of monotubular double-wellhead extracting device of oil |
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Publication Number | Publication Date |
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CN209339894U true CN209339894U (en) | 2019-09-03 |
Family
ID=67746156
Family Applications (1)
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CN201821609525.5U Expired - Fee Related CN209339894U (en) | 2018-09-30 | 2018-09-30 | A kind of 36 cun of monotubular double-wellhead extracting device of oil |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109441390A (en) * | 2018-09-30 | 2019-03-08 | 昆山艾蓓蓓阀门有限公司 | A kind of 36 cun of monotubular double-wellhead extracting device of oil |
-
2018
- 2018-09-30 CN CN201821609525.5U patent/CN209339894U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109441390A (en) * | 2018-09-30 | 2019-03-08 | 昆山艾蓓蓓阀门有限公司 | A kind of 36 cun of monotubular double-wellhead extracting device of oil |
CN109441390B (en) * | 2018-09-30 | 2024-05-07 | 昆山艾蓓蓓阀门有限公司 | 36 Inch single-cylinder double-wellhead oil extraction device |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190903 Termination date: 20210930 |
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CF01 | Termination of patent right due to non-payment of annual fee |