CN109441390A - 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
- Publication number
- CN109441390A CN109441390A CN201811153658.0A CN201811153658A CN109441390A CN 109441390 A CN109441390 A CN 109441390A CN 201811153658 A CN201811153658 A CN 201811153658A CN 109441390 A CN109441390 A CN 109441390A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- cun
- oil
- wellhead
- casing
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 238000009434 installation Methods 0.000 claims abstract description 23
- 238000011084 recovery Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 230000006872 improvement Effects 0.000 description 5
- 238000000605 extraction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/04—Casing heads; Suspending casings or tubings in well heads
Abstract
The present invention 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 present invention can effectively improve the overall sealing performance of extracting device of oil compared to the prior art.
Description
Technical field
The present invention 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.
Summary of the invention
In consideration of it, the present invention provides a kind of stronger 36 cun of monotubulars double-wellhead extracting device of oil of sealing performance.
For this purpose, the present invention 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 present invention is mainly provided with pedestal and is fixedly installed in
Two symmetrical oil recovery mechanisms on pedestal；By the improvement of above structure, multiple 36 cun of O type sealing rings and multiple first are utilized
The effect of FS sealing ring, so that whole sealing performance is enhanced, to can effectively improve list compared to the prior art
The sealing performance of cylinder 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 to the present invention
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 in an embodiment of the present invention；
Fig. 2 is a kind of side view of 36 cun of monotubulars double-wellhead extracting device of oil provided in an embodiment of the present invention；
Fig. 3 is a kind of top view of 36 cun of monotubulars double-wellhead extracting device of oil provided in an embodiment of the present invention；
Fig. 4 is a kind of schematic diagram of internal structure of 36 cun of monotubulars double-wellhead extracting device of oil provided in an embodiment of the present invention；
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 embodiment of the present invention one is shown in figure, which are recovered the oil, to be filled
It sets comprising pedestal 1 and two oil recovery mechanisms 2, pedestal 1 have bottom plate 11, be fixedly installed with installation set 12, installation set on bottom plate 11
12 have 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 slips 13
On be fixedly installed with first sleeve 14, be provided between the outer wall of first sleeve 14 and the inner wall of installation set 12 multiple 36 cuns it is O-shaped
Sealing ring 15, axial equidistant arrangement of multiple 36 cun of O-ring seals 15 along first sleeve 14, symmetrically arranged two oil recovery mechanism
2 are 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, and second
It is set with sleeve 22 outside casing 21, oil pipe 23 is connected on the second casing 21, oil pipe 23 connects production tree 24, the second casing 21
Outer wall and sleeve 22 inner wall between be provided with multiple first FS sealing rings 25, multiple first FS sealing rings 25 are along second set
The axial equidistant arrangement of pipe 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, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention 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 0 type sealing ring (15) between the outer wall of (14) and the inner wall of the installation set (12), the multiple 36
Very little 0 type sealing ring (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) 0 shape sealing ring (52) are provided between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811153658.0A CN109441390A (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 |
|---|---|---|---|
| CN201811153658.0A CN109441390A (en) | 2018-09-30 | 2018-09-30 | A kind of 36 cun of monotubular double-wellhead extracting device of oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109441390A true CN109441390A (en) | 2019-03-08 |
Family
ID=65545418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811153658.0A Pending CN109441390A (en) | 2018-09-30 | 2018-09-30 | A kind of 36 cun of monotubular double-wellhead extracting device of oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109441390A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439496A (en) * | 2019-08-16 | 2019-11-12 | 江苏卫东机械有限公司 | Dual bed twin-well casing head device |
| CN110714739A (en) * | 2019-11-25 | 2020-01-21 | 中国矿业大学 | Double-layer superposed single-well drainage and production ground device of coal bed gas-containing system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050139360A1 (en) * | 2003-12-31 | 2005-06-30 | Van Bilderbeek Bernard H. | Externally activated seal system for wellhead |
| US20080017386A1 (en) * | 2003-12-31 | 2008-01-24 | Van Bilderbeek Bernard H | Externally activated seal system for wellhead |
| CN202417384U (en) * | 2011-12-29 | 2012-09-05 | 江苏金石机械集团有限公司 | Single-bore dual-well wellhead devices |
| CN204960865U (en) * | 2015-08-15 | 2016-01-13 | 江苏宏泰石化机械有限公司 | Whole ready -package oil recovery gas wellhead assembly |
| CN207829848U (en) * | 2018-02-01 | 2018-09-07 | 山东科瑞井控系统制造有限公司 | A kind of monoblock type wellhead for production |
| CN209339894U (en) * | 2018-09-30 | 2019-09-03 | 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 CN201811153658.0A patent/CN109441390A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050139360A1 (en) * | 2003-12-31 | 2005-06-30 | Van Bilderbeek Bernard H. | Externally activated seal system for wellhead |
| US20080017386A1 (en) * | 2003-12-31 | 2008-01-24 | Van Bilderbeek Bernard H | Externally activated seal system for wellhead |
| CN202417384U (en) * | 2011-12-29 | 2012-09-05 | 江苏金石机械集团有限公司 | Single-bore dual-well wellhead devices |
| CN204960865U (en) * | 2015-08-15 | 2016-01-13 | 江苏宏泰石化机械有限公司 | Whole ready -package oil recovery gas wellhead assembly |
| CN207829848U (en) * | 2018-02-01 | 2018-09-07 | 山东科瑞井控系统制造有限公司 | A kind of monoblock type wellhead for production |
| CN209339894U (en) * | 2018-09-30 | 2019-09-03 | 昆山艾蓓蓓阀门有限公司 | A kind of 36 cun of monotubular double-wellhead extracting device of oil |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439496A (en) * | 2019-08-16 | 2019-11-12 | 江苏卫东机械有限公司 | Dual bed twin-well casing head device |
| CN110714739A (en) * | 2019-11-25 | 2020-01-21 | 中国矿业大学 | Double-layer superposed single-well drainage and production ground device of coal bed gas-containing system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101586462B (en) | Method of suspending, completing and working over a well | |
| US20090283255A1 (en) | Strokable liner hanger | |
| CN201778732U (en) | Oil pipe hanger for marine underwater upright oil production tree | |
| CN102953724B (en) | Horizontal wellbore logging anti-top tripper | |
| CN201671623U (en) | Leakage-finding water exclusion production string for horizontal wells | |
| CN102575512A (en) | Expandable liner tieback connection | |
| CN204252969U (en) | Sand control pipe and flow string | |
| CN102409992A (en) | Integrated tubing hanger for underwater horizontal christmas tree | |
| CN104481484A (en) | Horizontal well segmented intermittent steam huff and puff injection-production integrated pipe column | |
| NO20170180A1 (en) | An apparatus for performing at least one operation to construct a well subsea, and a method for constructing a well | |
| CN109441390A (en) | A kind of 36 cun of monotubular double-wellhead extracting device of oil | |
| CN102364038B (en) | Underwater oil pipe hanger embedded guiding and positioning device | |
| CN209339894U (en) | A kind of 36 cun of monotubular double-wellhead extracting device of oil | |
| CN107387020A (en) | A kind of common device for picking of two gas | |
| CN104213888A (en) | Down-hole steam injection string of thick-oil thermal production well | |
| CN204386576U (en) | Horizontal well in segments Intermittent cyclic steam stimulation note adopts integrated pipe column | |
| CN201924839U (en) | Primary production string | |
| CN103422846A (en) | Integrated tubular column for conducting well completion fracturing on open hole horizontal well | |
| CN104929562A (en) | Packer | |
| CN202417384U (en) | Single-bore dual-well wellhead devices | |
| CN204851161U (en) | Packer | |
| US20150136406A1 (en) | Subsea Intervention Plug Pulling Device | |
| CN104033141B (en) | The heat insulation steam injection technology tubing string of deep-layer heavy crude segmentation | |
| CN204327048U (en) | A kind of relief valve and use the Flushing tubular column of this relief valve | |
| US8973664B2 (en) | Subsea wellhead stabilization using cylindrical sockets |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |