CN206174908U - It throws and drags for cable production tree to exempt from to tear open well head - Google Patents
It throws and drags for cable production tree to exempt from to tear open well head Download PDFInfo
- Publication number
- CN206174908U CN206174908U CN201621175456.2U CN201621175456U CN206174908U CN 206174908 U CN206174908 U CN 206174908U CN 201621175456 U CN201621175456 U CN 201621175456U CN 206174908 U CN206174908 U CN 206174908U
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- China
- Prior art keywords
- production tree
- cable
- sucker rod
- tree body
- well head
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Abstract
The utility model discloses an it throws and drags for cable production tree to exempt from to tear open well head, including the production tree body, be provided with the sucker rod butt joint closed hole that is linked together with tubing hanger in the lower extreme of production tree body, and with the notes ester hole that sucker rod butt joint closed hole is linked together, internal vertical oily main entrance and the mistake cable passage of being provided with of production tree basis, it is linked together with tubing hanger at the up end of production tree body, its exit end to cross the entry end setting of oily main entrance, cross the entry end setting of cable passage and be linked together with sucker rod butt joint closed hole at the up end of production tree body, its exit end, the entry end of crossing the cable passage is provided with cable seal and connects. The utility model discloses a crossing the cable passage, lie in the production tree this is internal, and has the inclination between the production tree body, through using with the hollow sucker rod cooperation, neither influences the production tree and recovers the oil and the well control function, has not only solved problem, the while of heating cable delivery but also need not tear the well head open and directly throw and drag for the cable.
Description
Technical field
The utility model is related to production tree, more particularly to a kind of to be used to heat wax control, exempt to tear well head pulling cable for oil extraction tree open.
Background technology
In order to solve the problems, such as offshore oilfield wax deposition, the pipe string technology of hollow rod electric cable heating is wide on land
General employing, but the technique is used at present with marine electric submersible pump pipe string combination, it is impossible to meet maritime safety production requirement, exist
Sucker rod and flow string annular space well control, production tree are installed, the problems such as power supply unit is matched.Current sea pit shaft anti wax pipe post work
Skill is mainly thermal boundary wax control pipe string technology, but some oil wells still have wax deposition.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art, there is provided one kind is exempted to tear well head pulling cable for oil extraction open
Tree, this production tree and hollow rod not only can be solved the problems, such as after using cooperatively plus electric heating cable is delivered, while but also without tearing well open
The direct pulling cable of mouth.
The technical scheme that the utility model is adopted is：One kind is exempted to tear well head pulling cable for oil extraction tree, including production tree sheet open
Body, the production tree body upper end is connected by flange with tree cap, and lower end is connected by flange with production tree four-way；
Flap type is provided with the outer wall of the production tree body, in the lower end of the production tree body tubing hanger is provided with；It is described to adopt
In the lower end of oil tree body, positioned at tubing hanger top, the sucker rod Butt sealing being connected with the tubing hanger is provided with
Hole；Note ester hole is additionally provided with the lower end of the production tree body, the arrival end in the note ester hole is arranged on the production tree sheet
The side wall of body, its port of export is connected with the sucker rod Butt sealing hole；The production tree was originally vertically provided with vivo oil
Main channel is arranged on the upper surface of the production tree body, its outlet with cable passage, the arrival end of the excessively oily main channel is crossed
End is connected with the tubing hanger；The arrival end for crossing cable passage is arranged on the upper surface of the production tree body, and it goes out
Mouth end is connected with the sucker rod Butt sealing hole, and the arrival end for crossing cable passage is provided with cable sealed joint.
The cable passage of crossing has inclination angle, and its inclination angle is not more than 9 °.
The excessively oily main channel is eccentric channel.
The bottom of the cable sealed joint is connected with cable, and close with the cable passage excessively by rubber and screw thread
Sealing is determined.
The sucker rod Butt sealing hole is tightly connected by sealing ring with sucker rod seal nipple.
The beneficial effects of the utility model are：The cable passage of crossing of the utility model production tree is located at production tree sheet in vivo,
Between production tree body oblique angle be less than or equal to 9 °, by using cooperatively with hollow rod, neither affect production tree recover the oil and
Well control function, solve the problems, such as not only plus electric heating cable deliver, while but also without tearing the direct pulling cable of well head open.
Description of the drawings
Fig. 1：The utility model structural representation.
Accompanying drawing is marked：1st, cable sealed joint；2nd, cable passage is crossed；3rd, flap type；4th, excessively oily main channel；5th, sucker rod pair
Connect sealing hole；6th, ester hole is noted；7th, tubing hanger.
Specific embodiment
Below in conjunction with the accompanying drawings the utility model will be further described.
As shown in Figure 1, one kind is exempted to tear well head pulling cable for oil extraction tree, including production tree body, the production tree body open
Upper end is connected by flange with tree cap, and lower end is connected by flange with production tree four-way.The production tree body
Flap type 3 is provided with outer wall, tubing hanger 7, the lower end of the production tree body are provided with the lower end of the production tree body
It is interior, positioned at the top of the tubing hanger 7, be provided with the sucker rod Butt sealing hole 5 being connected with the tubing hanger 7, the oil pumping
Bar Butt sealing hole 5 is tightly connected by sealing ring with sucker rod seal nipple, and the size in the sucker rod Butt sealing hole 5 can
It is adjusted according to sucker rod size.Note ester hole 6 is additionally provided with the lower end of the production tree body, it is described to note entering for ester hole 6
Mouth end is arranged on the side wall of the production tree body, and its port of export is connected with the sucker rod Butt sealing hole 5, takes out when described
Can carry out pressure testing and note ester by the note ester hole 6 after beam hanger sealing hole and the sealing of sucker rod seal nipple.The production tree sheet
Oily main channel 4 was vertically provided with vivo and cable passage 2 was crossed, and the excessively oily main channel 4 was eccentric channel, and its arrival end is arranged
In the upper surface of the production tree body, its port of export is connected with the tubing hanger 7；The cable passage 2 of crossing has inclination angle,
Its inclination angle is not more than 9 °, and its arrival end is arranged on the upper surface of the production tree body, and its port of export is docked with the sucker rod
Sealing hole 5 is connected, and the arrival end for crossing cable passage 2 is provided with cable sealed joint 1, the cable sealed joint 1
Bottom is connected with cable, and crosses the sealing fixation of cable passage 2 with described by rubber and screw thread.
The utility model exempts to tear well head pulling cable for oil extraction tree production process open：(1) by the utility model production tree bottom
It is connected with four-way flange, while sucker rod Butt sealing hole 5 seals with sucker rod seal nipple；(2) the utility model is recovered the oil
Tree top is connected with tree cap flange；(3) by note ester hole 6 at sucker rod seal nipple and sucker rod Butt sealing hole 5
Note ester；(4) cable passed through to enter under cable passage 2；(5) cable sealed joint 1 is close with cable passage 2 excessively after the completion of entering under cable
Envelope.
After the utility model is installed, directly in well head pulling cable, after cable bad can act cable sealed joint 1,
Whole cable is extracted, after cable is changed, by entering under cable passage 2 excessively, by cable sealed joint 1 and cable passage 2 excessively
Sealing.Switched on power by intermediate frequency cabinet in well head, carry out pit shaft heating.
Claims (5)
1. one kind exempts to tear open well head pulling cable for oil extraction tree, including production tree body, the production tree body upper end by flange with
Tree cap is connected, and lower end is connected by flange with production tree four-way；It is provided with the outer wall of the production tree body flat
Plate valve, in the lower end of the production tree body tubing hanger is provided with, it is characterised in that in the lower end of the production tree body, position
In tubing hanger top, the sucker rod Butt sealing hole being connected with the tubing hanger is provided with；The production tree body
Be additionally provided with note ester hole in lower end, the arrival end in the note ester hole is arranged on the side wall of the production tree body, its port of export with
The sucker rod Butt sealing hole is connected；The production tree was originally vertically provided with vivo oily main channel and crossed cable passage,
The arrival end of the excessively oily main channel is arranged on the upper surface of the production tree body, and its port of export is connected with the tubing hanger
It is logical；The arrival end for crossing cable passage is arranged on the upper surface of the production tree body, its port of export and the sucker rod pair
Connect sealing hole to be connected, the arrival end for crossing cable passage is provided with cable sealed joint.
2. it is according to claim 1 to exempt to tear well head pulling cable for oil extraction tree open, it is characterised in that the cable passage of crossing has
Inclination angle, its inclination angle is not more than 9 °.
3. it is according to claim 1 to exempt to tear well head pulling cable for oil extraction tree open, it is characterised in that the excessively oily main channel is inclined
Heart passage.
4. it is according to claim 1 to exempt to tear well head pulling cable for oil extraction tree open, it is characterised in that the cable sealed joint
Bottom is connected with cable, and crosses cable passage sealing fixation with described by rubber and screw thread.
5. it is according to claim 1 to exempt to tear well head pulling cable for oil extraction tree open, it is characterised in that the sucker rod Butt sealing
Hole is tightly connected by sealing ring with sucker rod seal nipple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621175456.2U CN206174908U (en) | 2016-10-25 | 2016-10-25 | It throws and drags for cable production tree to exempt from to tear open well head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621175456.2U CN206174908U (en) | 2016-10-25 | 2016-10-25 | It throws and drags for cable production tree to exempt from to tear open well head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206174908U true CN206174908U (en) | 2017-05-17 |
Family
ID=58681636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621175456.2U Active CN206174908U (en) | 2016-10-25 | 2016-10-25 | It throws and drags for cable production tree to exempt from to tear open well head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206174908U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108086952A (en) * | 2018-01-12 | 2018-05-29 | 科莱斯（天津）电热科技有限公司 | A kind of high-pressure well mouth T cables suspension, release integrating device |
-
2016
- 2016-10-25 CN CN201621175456.2U patent/CN206174908U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108086952A (en) * | 2018-01-12 | 2018-05-29 | 科莱斯（天津）电热科技有限公司 | A kind of high-pressure well mouth T cables suspension, release integrating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CNOOC Energy Development Co., Ltd. Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: CNOOC Energy Development Co., Ltd. Patentee before: China National Offshore Oil Corporation |
|
| CP01 | Change in the name or title of a patent holder |