CN202659206U - Heavy oil observation well casing head - Google Patents
Heavy oil observation well casing head Download PDFInfo
- Publication number
- CN202659206U CN202659206U CN 201220314121 CN201220314121U CN202659206U CN 202659206 U CN202659206 U CN 202659206U CN 201220314121 CN201220314121 CN 201220314121 CN 201220314121 U CN201220314121 U CN 201220314121U CN 202659206 U CN202659206 U CN 202659206U
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- screw thread
- fixedly installed
- hanger
- pipe
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Abstract
The utility model relates to the technical field of drill wellhead devices, in particular to a heavy oil observation well casing head, which comprises a hanger, a casing, an auxiliary pipe, a body and an oil pipe short joint, wherein a ring-shaped boss is arranged on the outer wall of the middle portion of the hanger, the outer wall of the lower portion of hanger and the inner wall of the upper portion of the casing are fixedly arranged together, a step hole with a big upper portion and a small lower portion is arranged on the ring-shaped boss in the axial direction, the upper portion of the auxiliary pipe is sleeved in the step hole, the auxiliary pipe which is arranged below the ring-shaped boss and the casing are fixedly arranged together, an upper pressing plate, an auxiliary pipe sealing part and a lower pressing plate are orderly arranged in the step hole which is arranged on the upper portion of the outer side of the auxiliary pipe from top to bottom, a hanging boss is arranged on the inner wall of the body, and the ring-shaped boss is seated on the hanging boss. The heavy oil observation well casing head is reasonable and compact in structure and convenient to use, can monitor the situations of steam injection of heavy oil and oil driving and the like in real time, and is safe and reliable to operate, thereby being capable of reasonably arranging mining life, and effectively achieving reasonable and economic mining.
Description
Technical field
The utility model relates to the wellhead for drilling technical field, is that a kind of viscous crude is observed Casing head of borehole.
Background technology
Heavy crude heat extraction but because heavy oil wells is with short production cycle, needs in time to carry out Real-Time Monitoring to the exploitation situation in each field use for many years, for the situation reasonable arrangement exploitation time limit of gathering, accomplishes to exploit reasonable economy.But because present equipment can't carry out Real-Time Monitoring to the exploitation situation, and cause and to exploit the time limit by reasonable arrangement, to a certain extent exploiting of reasonable economy brought certain difficulty.
Summary of the invention
The utility model provides a kind of viscous crude to observe Casing head of borehole, has overcome the deficiency of above-mentioned prior art, its can effectively solve present equipment can't to the exploitation situation carry out Real-Time Monitoring and cause can't the reasonable arrangement exploitation time limit problem.
The technical solution of the utility model realizes by following measures: a kind of viscous crude is observed Casing head of borehole, comprises hanger, sleeve pipe, attached pipe, body and oil pipe short circuit; On the middle part outer wall of hanger annular boss is arranged, the bottom outer wall of hanger and the upper inside wall of sleeve pipe are fixedly installed togather, at annular boss axial up big and down small stepped hole is arranged, the top of attached pipe is sleeved in the stepped hole, attached pipe and the sleeve pipe of annular boss below are fixedly installed togather, in the upper step hole in the attached pipe outside, top board is installed successively from top to bottom, attached seal of tube spare and lower platen, the suspension boss is arranged on the inner body wall, the convex annular pedestal is hanging on the boss, be radially distributed with at least 2 radially circular hole along circumference on the body of annular boss below, each radially is installed with the tubing nipple that communicates with chamber body in the circular hole, the other end of one of them tubing nipple is installed with blocking cap, and the other end of remaining tubing nipple is installed with gate.
The below is the further optimization and/or improvements to above-mentioned utility model technical scheme:
The above-mentioned attached pipe outside can be set with fixed head, and fixed head is fixedly mounted on the top board by screw.
Above-mentioned top board can be welded on the inwall of stepped hole, and the external wall of upper portion of body is installed with the gland that hanger can be pressed on the body by screw thread.
Can be fixedly installed togather by the locking belt of annular between the attached pipe of above-mentioned annular boss below and the sleeve pipe, between attached pipe and the sleeve pipe cushion block is installed, the two ends of locking belt are bolted to connection together.
Can be installed with sealing ring between above-mentioned inner body wall and the annular boss outer wall, on the external wall of upper portion of body cannelure be arranged, be installed with sealing ring in the cannelure.
The bottom outer wall of above-mentioned hanger and the upper inside wall of sleeve pipe are fixedly installed togather by screw thread, the upper end inwall of body and the outer wall of annular boss weld together, radially the outer wall of the inwall of circular hole and tubing nipple is fixedly installed togather by screw thread, be fixedly installed togather by screw thread between tubing nipple and the blocking cap, there is external screw thread the lower end of body, limited location boss on the external wall of upper portion of attached pipe.
The utility model reasonable and compact in structure, easy to use, it can carry out Real-Time Monitoring to thick oil filling steam situation, displacement of reservoir oil situation etc., and handling safety is reliable, thereby can exploit the time limit by reasonable arrangement, effectively accomplishes to exploit reasonable economy.
Description of drawings
Accompanying drawing 1 is looked the sectional structure schematic diagram for the master of the utility model embodiment 1.
Accompanying drawing 2 be in the accompanying drawing 1 A to the amplification mounting structure schematic diagram of fixed head.
Accompanying drawing 3 is looked the sectional structure schematic diagram for the master of the utility model embodiment 2.
Accompanying drawing 4 is analysed and observe the structure for amplifying schematic diagram for overlooking of annexation between the utility model middle sleeve and the attached pipe.
Coding in the accompanying drawing is respectively: 1 is hanger, and 2 is annular boss, and 3 is sleeve pipe, and 4 is stepped hole, 5 is attached pipe, and 6 is top board, and 7 is attached seal of tube spare, and 8 is lower platen, 9 is positive stop lug boss, and 10 is body, and 11 for hanging boss, and 12 are circular hole radially, 13 is tubing nipple, and 14 is blocking cap, and 15 is gate, and 16 is fixed head, 17 is cannelure, and 18 is screw, and 19 is gland, and 20 is locking belt, 21 is cushion block, and 22 is bolt, and 23 is sealing ring.
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.
In the utility model, for convenience of description, the description of the relative position relation of each parts all is that the Butut mode according to Figure of description 1 is described, as: the position relationship of forward and backward, upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
Shown in accompanying drawing 1,3,4, this viscous crude is observed Casing head of borehole and is comprised hanger 1, sleeve pipe 3, attached pipe 5, body 10 and oil pipe short circuit 13; On the middle part outer wall of hanger 1 annular boss 2 is arranged, the bottom outer wall of hanger 1 and the upper inside wall of sleeve pipe 3 are fixedly installed togather, at annular boss 2 axial up big and down small stepped hole 4 is arranged, the top of attached pipe 5 is sleeved in the stepped hole 4, attached pipe 5 and the sleeve pipe 3 of annular boss 2 belows are fixedly installed togather, top board 6 is installed in the upper step hole 4 in attached pipe 5 outsides from top to bottom successively, attached seal of tube spare 7 and lower platen 8, the boss 11 of suspension is arranged on body 10 inwalls, 2 of annular boss are hanging on the boss 11, be radially distributed with at least 2 radially circular hole 12 on the body 10 of annular boss 2 belows along circumference, each radially is installed with the tubing nipple 13 that communicates with body 10 inner chambers in the circular hole 12, the other end of one of them tubing nipple 13 is installed with blocking cap 14, and the other end of remaining tubing nipple 13 is installed with gate 15.
Can according to actual needs, above-mentioned viscous crude be observed Casing head of borehole make further optimization and/or improvements:
Embodiment 1: shown in accompanying drawing 1,2, be set with fixed head 16 in the attached pipe outside, fixed head 16 is fixedly mounted on the top board 6 by screw 18.During well cementation, for fear of the potential safety hazard of bringing owing to welding, can fix top board 6 by screw 18 fixed installation fixed heads 16 temporarily, prevent that the effect owing to pressure causes attached seal of tube spare 7 to be offset in well cementing process, and cause sealing effectiveness bad.
Embodiment 2: shown in accompanying drawing 1,3, after well cementation was finished, top board 6 was welded on the inwall of stepped hole 4, and the external wall of upper portion of body 10 is installed with the gland 19 that hanger 1 can be pressed on the body 10 by screw thread.By top board 6 is welded in the stepped hole 4, prevents that the effect owing to pressure causes attached seal of tube spare 7 to be offset in well cementing process, and cause sealing effectiveness bad.
Can according to actual needs, above-mentioned viscous crude be observed Casing head of borehole make further optimization and/or improvements:
Shown in accompanying drawing 1,4, the locking belt 20 by annular between the attached pipe 5 of annular boss 2 belows and the sleeve pipe 3 is fixedly installed togather, and between attached pipe 5 and the sleeve pipe 3 cushion block 21 is installed, and the two ends of locking belt 20 are fixed together by bolt 22.For the ease of installation and removal, the locking belt 20 by annular is fixedly installed togather attached pipe 5 with sleeve pipe 3, between attached pipe 5 and the sleeve pipe 3 cushion block 21 is installed, and can reduce the friction between attached pipe 5 and the sleeve pipe 3, avoids causing the damage of equipment.
Shown in accompanying drawing 1,3, be installed with sealing ring 23 between body 10 inwalls and annular boss 2 outer walls, cannelure 17 is arranged on the external wall of upper portion of body 10, be installed with sealing ring 23 in the cannelure 17.
Shown in accompanying drawing 1,3, the bottom outer wall of hanger 1 and the upper inside wall of sleeve pipe 3 are fixedly installed togather by screw thread, the upper end inwall of body 10 and the outer wall of annular boss 2 weld together, radially the outer wall of the inwall of circular hole 12 and tubing nipple 13 is fixedly installed togather by screw thread, be fixedly installed togather by screw thread between tubing nipple 13 and the blocking cap 14, there is external screw thread the lower end of body 10, limited location boss 9 on the external wall of upper portion of attached pipe 5.
Above technical characterictic has consisted of embodiment of the present utility model, and it has stronger compliance and implementation result, can increase and decrease according to actual needs non-essential technical characterictic, satisfies the demand of different situations.
Use procedure of the present utility model: after the surface pipe well cementation, after being threaded connection, body 10 upper ends and crossover sub connect drilling spool, body 10 lower ends and surface pipe are threaded connection, hanger 1 lower end and sleeve pipe 3 are threaded connection, attached pipe 5 passes top board 6 successively, behind attached seal of tube spare 7 and the lower platen 8, locking belt 20 by annular between the attached pipe 5 of annular boss 2 belows and the sleeve pipe 3 is fixedly installed togather, with screw 18 fixed head 16 is fixed on the annular boss 2, transfer sleeve pipe 3, hanger 1 is sent in body 10 inner chambers and seat hangs over and hangs on the boss 11, opens blocking cap 14 and gate 15 during well cementation; Gu after the completion, close blocking cap 14 and gate 15, dismantle fixed head 16, with top board 6 and hanger 1 welding, install again gland 19 after solidifying, fulfil assignment.
Claims (10)
1. a viscous crude is observed Casing head of borehole, it is characterized in that comprising hanger, sleeve pipe, attached pipe, body and oil pipe short circuit; On the middle part outer wall of hanger annular boss is arranged, the bottom outer wall of hanger and the upper inside wall of sleeve pipe are fixedly installed togather, at annular boss axial up big and down small stepped hole is arranged, the top of attached pipe is sleeved in the stepped hole, attached pipe and the sleeve pipe of annular boss below are fixedly installed togather, in the upper step hole in the attached pipe outside, top board is installed successively from top to bottom, attached seal of tube spare and lower platen, the suspension boss is arranged on the inner body wall, the convex annular pedestal is hanging on the boss, be radially distributed with at least 2 radially circular hole along circumference on the body of annular boss below, each radially is installed with the tubing nipple that communicates with chamber body in the circular hole, the other end of one of them tubing nipple is installed with blocking cap, and the other end of remaining tubing nipple is installed with gate.
2. viscous crude according to claim 1 is observed Casing head of borehole, it is characterized in that the attached pipe outside is set with fixed head, and fixed head is fixedly mounted on the top board by screw.
3. viscous crude according to claim 1 is observed Casing head of borehole, it is characterized in that top board is welded on the inwall of stepped hole, and the external wall of upper portion of body is installed with the gland that hanger can be pressed on the body by screw thread.
According to claim 1 and 2 or 3 described viscous crude observe Casing head of borehole, it is characterized in that the locking belt by annular is fixedly installed togather between the attached pipe of annular boss below and the sleeve pipe, between attached pipe and the sleeve pipe cushion block is installed, the two ends of locking belt are bolted to connection together.
According to claim 1 and 2 or 3 described viscous crude observe Casing head of borehole, it is characterized in that being installed with sealing ring between inner body wall and the annular boss outer wall, on the external wall of upper portion of body cannelure is arranged, be installed with sealing ring in the cannelure.
6. viscous crude according to claim 4 is observed Casing head of borehole, it is characterized in that being installed with sealing ring between inner body wall and the annular boss outer wall, on the external wall of upper portion of body cannelure is arranged, and is installed with sealing ring in the cannelure.
According to claim 1 and 2 or 3 described viscous crude observe Casing head of borehole, it is characterized in that the bottom outer wall of hanger and the upper inside wall of sleeve pipe are fixedly installed togather by screw thread, the upper end inwall of body and the outer wall of annular boss weld together, radially the outer wall of the inwall of circular hole and tubing nipple is fixedly installed togather by screw thread, be fixedly installed togather by screw thread between tubing nipple and the blocking cap, there is external screw thread the lower end of body, limited location boss on the external wall of upper portion of attached pipe.
8. viscous crude according to claim 4 is observed Casing head of borehole, it is characterized in that the bottom outer wall of hanger and the upper inside wall of sleeve pipe are fixedly installed togather by screw thread, the upper end inwall of body and the outer wall of annular boss weld together, radially the outer wall of the inwall of circular hole and tubing nipple is fixedly installed togather by screw thread, be fixedly installed togather by screw thread between tubing nipple and the blocking cap, there is external screw thread the lower end of body, limited location boss on the external wall of upper portion of attached pipe.
9. viscous crude according to claim 5 is observed Casing head of borehole, it is characterized in that the bottom outer wall of hanger and the upper inside wall of sleeve pipe are fixedly installed togather by screw thread, the upper end inwall of body and the outer wall of annular boss weld together, radially the outer wall of the inwall of circular hole and tubing nipple is fixedly installed togather by screw thread, be fixedly installed togather by screw thread between tubing nipple and the blocking cap, there is external screw thread the lower end of body, limited location boss on the external wall of upper portion of attached pipe.
10. viscous crude according to claim 6 is observed Casing head of borehole, it is characterized in that the bottom outer wall of hanger and the upper inside wall of sleeve pipe are fixedly installed togather by screw thread, the upper end inwall of body and the outer wall of annular boss weld together, radially the outer wall of the inwall of circular hole and tubing nipple is fixedly installed togather by screw thread, be fixedly installed togather by screw thread between tubing nipple and the blocking cap, there is external screw thread the lower end of body, limited location boss on the external wall of upper portion of attached pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220314121 CN202659206U (en) | 2012-07-02 | 2012-07-02 | Heavy oil observation well casing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220314121 CN202659206U (en) | 2012-07-02 | 2012-07-02 | Heavy oil observation well casing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202659206U true CN202659206U (en) | 2013-01-09 |
Family
ID=47454116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220314121 Expired - Fee Related CN202659206U (en) | 2012-07-02 | 2012-07-02 | Heavy oil observation well casing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202659206U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929559A (en) * | 2015-05-12 | 2015-09-23 | 禹伟 | Oil wellhead cover seat |
| CN106050181A (en) * | 2016-06-30 | 2016-10-26 | 中国石油集团西部钻探工程有限公司 | Thermal recovery casing head |
-
2012
- 2012-07-02 CN CN 201220314121 patent/CN202659206U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929559A (en) * | 2015-05-12 | 2015-09-23 | 禹伟 | Oil wellhead cover seat |
| CN106050181A (en) * | 2016-06-30 | 2016-10-26 | 中国石油集团西部钻探工程有限公司 | Thermal recovery casing head |
| CN106050181B (en) * | 2016-06-30 | 2019-04-23 | 中国石油集团西部钻探工程有限公司 | Thermal extraction casing head |
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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: 20130109 Termination date: 20200702 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |