CN201810255U - Filling and producing dual-purpose casting head of combustion oil layer - Google Patents
Filling and producing dual-purpose casting head of combustion oil layer Download PDFInfo
- Publication number
- CN201810255U CN201810255U CN2010200606659U CN201020060665U CN201810255U CN 201810255 U CN201810255 U CN 201810255U CN 2010200606659 U CN2010200606659 U CN 2010200606659U CN 201020060665 U CN201020060665 U CN 201020060665U CN 201810255 U CN201810255 U CN 201810255U
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- China
- Prior art keywords
- hanger
- combustion
- casing head
- situ
- flange
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- Expired - Fee Related
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Abstract
The utility model relates to the technical field of the well head of petroleum drilling, in particular to a filling and producing dual-purpose cashing head of a combustion oil layer, which comprises a body, a hanger and a thread gland, wherein the upper end of the body is provided with a flange plate, the flange plate is provided with a sealing groove and a bolt hole which correspond to a Christmas tree bottom flange, the wall of the inner cavity of the body is provided with a step, the upper seat of the step is hung with a hanger, the inner side of the hanger is provided with a self-locking slips through a shear pin, the self-locking slips can hold a cashing, the wall of the inner cavity of the upper of the hanger is provided with a thread, the top part of the hanger is provided with the thread gland, and the thread gland is fixedly arranged in the body through a thread and can press the hanger. The utility model is reasonable and compact in structure and convenient to use. Under the working condition with high temperature and high pressure, the lower part of the utility model is directly connected with a surface cashing, the upper part of the filling and producing dual-purpose cashing head can be directly connected with a four-way joint and a Christmas tree through the flange plate, the self-locking slips is used in prestressed well cementation, an anti-spraying device does not need to be disassembled, so that the filling and producing dual-purpose cashing head is simple to operate, and safe and labor-saving.
Description
One, technical field
The utility model relates to oil drilling well head technical field, is that a kind of combustion in situ notes are adopted dual-purpose casing head.
Two, background technology
In oil-field thick-oil exploration and development process, development late stage particularly when adopting conventional method and thermal recovery all to be difficult to full-bodied viscous crude extraction, generally adopts the combustion in situ method that the oil reservoir gas injection is lighted a fire, the burning oil reservoir produces HTHP oil gas, thereby exploits out viscous crude.In actual production process because HTHP, can't use common casing head, and the difference existence owing to configuration aspects that the thermal extraction casing head that adopts at present has is connected inconvenience with flange at the bottom of well head or the production tree, the production tree that has is adopted with the thermal extraction casing head top connection and is threaded, screw thread cooperates and is difficult to guarantee sealing, preventer need be dismantled during the special cementing that has, drilling safety can't be guaranteed.
Three, summary of the invention
The utility model provides a kind of combustion in situ to annotate and has adopted dual-purpose casing head, has overcome the deficiency of above-mentioned prior art, and it can effectively solve the problem that existing thermal extraction casing head exists operation inconvenience and potential safety hazard.
The technical solution of the utility model realizes by following measure: a kind of combustion in situ is annotated and is adopted dual-purpose casing head, comprises body, hanger and union (screwed)bonnet (UB; There is flange upper end at body, having on the flange and corresponding seal groove of flange at the bottom of the production tree and bolt hole, on the chamber body wall, step is arranged, hang with hanger at the step seat of honour, being equipped with by shear pin in the hanger inboard can be with the self-locking slips of sleeve pipe locking, on the chamber body wall above the hanger screw thread is arranged, at the hanger top union (screwed)bonnet (UB is arranged, union (screwed)bonnet (UB is fixedly mounted in the body by screw thread and can compresses hanger.
Be further optimization and/or improvements below to above-mentioned utility model technical scheme:
Can there be the bypass flange on the right side of above-mentioned body.
On the above-mentioned bypass flange pressure meter can be installed.
On be set forth in body the left side flange form injecting hole can be arranged.
The inboard outside, upper end with the rising short circuit, the lower end of above-mentioned body is fixed together by screw thread, in the lower end of rising short circuit connecting thread is arranged.
On the above-mentioned union (screwed)bonnet (UB bolt mounting groove can be arranged.
Between above-mentioned hanger and the body sealing ring can be installed, there is the sealing ring mounting groove inboard of hanger.
Above-mentioned hanger external surface is equipped with the self-locking jump ring.
The utility model reasonable and compact in structure, easy to use, working condition at HTHP, the bottom can directly be connected with the table cover, top can directly be connected with production tree with four-way by flange, adopts the self-locking slips during special cementing, need not to dismantle preventer, therefore not only easy and simple to handle, and safety labor-saving.
Four, description of drawings
Accompanying drawing 1 is looked the half section structural representation for the master of the utility model most preferred embodiment.
Coding in the accompanying drawing is respectively: 1 is body, and 2 are the rising short circuit, and 3 is flange, 4 is seal groove, and 5 is bolt hole, and 6 is connecting thread, 7 is the bypass flange, 8 is pressure meter, and 9 is the flange form injecting hole, and 10 is hanger, 11 is the self-locking slips, 12 is union (screwed)bonnet (UB, and 13 is the bolt mounting groove, and 14 is sealing ring.
Five, the specific embodiment
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
As shown in Figure 1, this combustion in situ is annotated and is adopted dual-purpose casing head and comprise body 1, hanger 10 and union (screwed)bonnet (UB 12; In the upper end of body 1 flange 3 is arranged, having on the flange 3 and corresponding seal groove 4 of flange at the bottom of the production tree and bolt hole 5, on body 1 internal chamber wall, step is arranged, hang with hanger 10 at the step seat of honour, being equipped with by shear pin in hanger 10 inboards can be with the self-locking slips 11 of sleeve pipe locking, on 1 internal chamber wall of the body above the hanger 10 screw thread is arranged, at hanger 10 tops union (screwed)bonnet (UB 12 is arranged, union (screwed)bonnet (UB 12 is fixedly mounted in the body 1 by screw thread and can compresses hanger 10.Like this, flange 3 can directly link to each other with the end flange of four-way or production tree, and seal by steel ring, easy to use, when special cementing, 10 of hangers are hung in the body 1, lift prestressing force after, self-locking slips 11 shrinks the sleeve pipe locking, and self-locking slips 11 adopts existing known self-locking slips.
Can above-mentioned combustion in situ notes be adopted dual-purpose casing head make further optimization and/or improvements according to actual needs:
As shown in Figure 1, there is bypass flange 7 on the right side of body 1, and like this, the convenient cooperation carried out the various oil field production operation.
As shown in Figure 1, on the bypass flange 7 pressure meter 8 is installed.
As shown in Figure 1, for the ease of connecting, there is flange form injecting hole 9 in the left side of body 1, and like this, the convenient cooperation carried out the various oil field production operation.
As shown in Figure 1, the inboard outside, upper end with rising short circuit 2, the lower end of body 1 is fixed together by screw thread, in the lower end of rising short circuit 2 connecting thread is arranged.
As shown in Figure 1, for the ease of lifting, bolt mounting groove 13 is arranged on union (screwed)bonnet (UB 12.
As shown in Figure 1, in order to increase sealing, between hanger 10 and body 1 sealing ring 14 is installed, there is the sealing ring mounting groove inboard of hanger 10.According to actual conditions, the self-locking jump ring is installed at hanger 10 external surfaces.
Above technical characterictic has constituted most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
Claims (10)
1. a combustion in situ is annotated and is adopted dual-purpose casing head, it is characterized in that comprising body, hanger and union (screwed)bonnet (UB; There is flange upper end at body, having on the flange and corresponding seal groove of flange at the bottom of the production tree and bolt hole, on the chamber body wall, step is arranged, hang with hanger at the step seat of honour, being equipped with by shear pin in the hanger inboard can be with the self-locking slips of sleeve pipe locking, on the chamber body wall above the hanger screw thread is arranged, at the hanger top union (screwed)bonnet (UB is arranged, union (screwed)bonnet (UB is fixedly mounted in the body by screw thread and can compresses hanger.
2. combustion in situ according to claim 1 is annotated and is adopted dual-purpose casing head, it is characterized in that there is the bypass flange on the right side of body.
3. combustion in situ according to claim 2 is annotated and is adopted dual-purpose casing head, it is characterized in that on the bypass flange pressure meter being installed.
4. adopt dual-purpose casing head according to claim 1 or 2 or 3 described combustion in situ notes, it is characterized in that there is the flange form injecting hole in the left side of body.
5. adopt dual-purpose casing head according to claim 1 or 2 or 3 described combustion in situ notes, it is characterized in that the inboard outside, upper end with the rising short circuit, lower end of body is fixed together by screw thread, connecting thread is arranged in the lower end of rising short circuit.
6. combustion in situ according to claim 4 is annotated and is adopted dual-purpose casing head, it is characterized in that the inboard outside, upper end with the rising short circuit, lower end of body is fixed together by screw thread, in the lower end of rising short circuit connecting thread is arranged.
7. adopt dual-purpose casing head according to claim 1 or 2 or 3 described combustion in situ notes, it is characterized in that the bolt mounting groove is arranged on the union (screwed)bonnet (UB.
8. combustion in situ according to claim 6 is annotated and is adopted dual-purpose casing head, it is characterized in that the bolt mounting groove is arranged on the union (screwed)bonnet (UB.
9. combustion in situ according to claim 8 is annotated and is adopted dual-purpose casing head, it is characterized in that between hanger and the body sealing ring being installed, and there is the sealing ring mounting groove inboard of hanger.
10. combustion in situ according to claim 9 is annotated and is adopted dual-purpose casing head, it is characterized in that the hanger external surface is equipped with the self-locking jump ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200606659U CN201810255U (en) | 2010-01-19 | 2010-01-19 | Filling and producing dual-purpose casting head of combustion oil layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200606659U CN201810255U (en) | 2010-01-19 | 2010-01-19 | Filling and producing dual-purpose casting head of combustion oil layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201810255U true CN201810255U (en) | 2011-04-27 |
Family
ID=43893198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200606659U Expired - Fee Related CN201810255U (en) | 2010-01-19 | 2010-01-19 | Filling and producing dual-purpose casting head of combustion oil layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201810255U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804683A (en) * | 2016-05-20 | 2016-07-27 | 中国石油集团西部钻探工程有限公司 | Thermal recovery casing head for old well restoration |
| CN107842333A (en) * | 2017-11-28 | 2018-03-27 | 中国石油天然气集团公司 | Fireflood injection well well head conversion equipment and its method |
| CN117418805A (en) * | 2023-12-18 | 2024-01-19 | 江苏宏泰石化机械有限公司 | Intelligent self-locking casing head device and pressure control system |
-
2010
- 2010-01-19 CN CN2010200606659U patent/CN201810255U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804683A (en) * | 2016-05-20 | 2016-07-27 | 中国石油集团西部钻探工程有限公司 | Thermal recovery casing head for old well restoration |
| CN105804683B (en) * | 2016-05-20 | 2018-05-29 | 中国石油集团西部钻探工程有限公司 | Old well reparation thermal extraction casing head |
| CN107842333A (en) * | 2017-11-28 | 2018-03-27 | 中国石油天然气集团公司 | Fireflood injection well well head conversion equipment and its method |
| CN117418805A (en) * | 2023-12-18 | 2024-01-19 | 江苏宏泰石化机械有限公司 | Intelligent self-locking casing head device and pressure control system |
| CN117418805B (en) * | 2023-12-18 | 2024-02-20 | 江苏宏泰石化机械有限公司 | Intelligent self-locking casing head device and pressure control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20160119 |
|
| EXPY | Termination of patent right or utility model |