CN2929158Y - Wellhead device of concentric double tube injection water - Google Patents
Wellhead device of concentric double tube injection water Download PDFInfo
- Publication number
- CN2929158Y CN2929158Y CN 200620200581 CN200620200581U CN2929158Y CN 2929158 Y CN2929158 Y CN 2929158Y CN 200620200581 CN200620200581 CN 200620200581 CN 200620200581 U CN200620200581 U CN 200620200581U CN 2929158 Y CN2929158 Y CN 2929158Y
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- outer tube
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- sleeve pipe
- sleeve
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Abstract
The utility model relates to a production operation control device at the well head of a well in oil fields, in particular to a concentric dual water-injecting wellhead device, wherein a sleeve flange is arranged on the bottom end of a big four-way valve of the sleeve, and the top of the big four-way valve of the sleeve is arranged at the bottom end of a four-way valve of an outer tube, a gate valve of the sleeve or/and a flow regulating valve of the sleeve is arranged on the side of the big four-way valve of the sleeve, a gate valve of the outer tube or/and a flow regulating valve of the outer tube is arranged on the side of the four-way valve of the outer tube, an upper flange is arranged on the top of the four-way valve of the outer tube, and a gate valve of an inner tube is arranged on the upper flange. A mandrel hanger for the outer tube can be arranged on the lower portion of the four-way valve of the outer tube and a mandrel hanger and a pressing sleeve can be arranged on the upper portion of the four-way valve of the outer tube. Applying the concentric dual injecting wellhead device, the utility model has a reasonable and compact structure, gaining larger room for the fluid flow, and can simultaneously fill water into the upper and the lower ground layer, improving the production efficiency, solving the problem of layer-to-layer contradiction, and can regulate the injected water volume on the ground by measuring the water flow.
Description
One, technical field:
The utility model relates to oilfield water filling and production wellhead production operation control mechanical device, is a kind of concentric double pipe water injection well device.
Two, background technology:
The existing oil-field flooding and the employed common water injection well device that recovers the oil can only be realized commingled water injection.If the change water filling layer position need carry out workover treatment, put the down-hole string structure.
Existing oil-field flooding and the employed seperated layer water injection well head device of oil recovery also need carry out pitching, salvage operations such as fuse or water nozzle when realizing seperated layer water injection.
Three, summary of the invention:
The utility model provides a kind of concentric double pipe water injection well device, overcome the deficiency of above-mentioned prior art, it can realize motionless wellhead assembly, does not need to carry out workover treatment, just can implement water injection technology to two different up and down stratum simultaneously, help enhancing productivity.
The technical solution of the utility model realizes by following measure: a kind of concentric double pipe water injection well device, it comprises the sleeve pipe big four, the sleeve pipe gate valve, the outer tube four-way, the outer tube gate valve, interior pipe closer valve, casing flange is fixedly mounted on the bottom of sleeve pipe big four, the top of sleeve pipe big four is fixedly mounted on the bottom of outer tube four-way, be installed with the sleeve pipe gate valve or/and the sleeve pipe flow control valve at sleeve pipe big four side, side at the outer tube four-way is installed with the outer tube gate valve or/and the outer tube flow control valve, top at the outer tube four-way is equipped with upper flange, pipe closer valve on upper flange, being equipped with, the outer tube tubing hanger that outer tube can be installed is arranged at the bottom of outer tube four-way, and interior pipe tubing hanger and the gland that interior pipe can be installed arranged at the top of outer tube four-way.
Be further optimization and/or improvements below to above-mentioned technical solutions of the utility model:
The little four-way of pipe in the top of pipe closer valve can be equipped with in above-mentioned.
Pipe flow control valve in the side of the little four-way of pipe can be equipped with in above-mentioned.
The hook gauge joint was or/and flow meter in the outer end of pipe flow control valve can be equipped with in above-mentioned.
The top of the little four-way of pipe can be equipped with the test gate valve in above-mentioned.
Outer end at above-mentioned outer tube gate valve or outer tube flow control valve can be equipped with the outer tube pressure tapping or/and flow meter.
Outer end at above-mentioned sleeve pipe gate valve or sleeve pipe flow control valve can be equipped with the casing pressure meter connector or/and flow meter.
The utility model reasonable and compact in structure adopts this concentric double pipe water injection well device, in the sleeve pipe of same inner diameter, can obtain bigger liquid fluid space, reduces the injection pressure loss, to satisfy the technical requirements of the big reservoir quantity of oil field deep well layering.When carrying out seperated layer water injection, can realize motionless wellhead assembly, do not need to carry out workover treatment, just can implement water injection technology to two different up and down stratum simultaneously, not only help shortening the activity duration, enhance productivity, also avoided injecting the corrosion of water, can effectively solve problems such as interlayer contradiction tubing string and downhole tool.Also can be by flow measurement etc., realize ground regulation and control injected water volume, the water yield of injecting the stratum accurately to be regulated, accurate measurement uses reliable.
Four, description of drawings:
Accompanying drawing 2 is the local structure for amplifying schematic diagram of accompanying drawing 1 middle external tube four-way etc.,
Coding in the accompanying drawing is respectively: 1 is the sleeve pipe gate valve, and 2 is the casing pressure meter connector, and 3 is the outer tube pressure tapping, 4 is the outer tube gate valve, and 5 is interior pipe tubing hanger, and 6 is interior pipe closer valve, 7 is interior hook gauge joint, and 8 are the test gate valve, and 9 is interior pipe flow control valve, 10 is the little four-way of interior pipe, and 11 is upper flange, and 12 is gland, 13 is the outer tube flow control valve, 14 is the outer tube four-way, and 15 is outer tube tubing hanger, and 16 is the sleeve pipe flow control valve.
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:
Shown in attached Fig. 1 and 2, this concentric double pipe water injection well device comprises sleeve pipe big four, sleeve pipe gate valve 1, outer tube four-way 14, outer tube gate valve 4, interior pipe closer valve 6, casing flange is fixedly mounted on the bottom of sleeve pipe big four, the top of sleeve pipe big four is fixedly mounted on the bottom of outer tube four-way 14, is installed with sleeve pipe gate valve 1 or/and sleeve pipe flow control valve 16 (that is: is installed with sleeve pipe gate valve 1 at sleeve pipe big four side at sleeve pipe big four side; Perhaps, be installed with sleeve pipe flow control valve 16 at sleeve pipe big four side; Perhaps, be installed with sleeve pipe gate valve 1 and sleeve pipe flow control valve 16 at sleeve pipe big four side), the side of outer tube four-way 14 be installed with outer tube gate valve 4 or/and outer tube flow control valve 13 (that is: the side at outer tube four-way 14 is installed with outer tube gate valve 4; Perhaps, the side at outer tube four-way 14 is installed with outer tube flow control valve 13; Perhaps, side at outer tube four-way 14 is installed with outer tube gate valve 4 and outer tube flow control valve 13), on the top of outer tube four-way 14 upper flange 11 is installed, pipe closer valve 6 on upper flange 11, being equipped with, the outer tube tubing hanger 15 that outer tube can be installed is arranged at the bottom of outer tube four-way 14, and interior pipe tubing hanger 5 and the gland 12 that interior pipe can be installed arranged at the top of outer tube four-way 14.
Can according to actual needs above-mentioned concentric double pipe water injection well device be made further optimization and/or improvements:
In order further to improve performance of the present utility model, shown in attached Fig. 1 and 2, the little four-way 10 of pipe in the top of interior pipe closer valve 6 is equipped with; Pipe flow control valve 9 in the side of the little four-way 10 of interior pipe is equipped with; Hook gauge joint 7 is or/and flow meter in the outer end of interior pipe flow control valve 9 is equipped with; Test gate valve 8 is installed on the top of the little four-way 10 of interior pipe; Outside the outer end of pipe closer valve 4 or outer tube flow control valve 13 outer tube pressure tapping 3 is installed or/and flow meter (that is: the outer end of pipe closer valve 4 is equipped with outer tube pressure tapping 3 outside; Perhaps, the outer end of pipe closer valve 4 is equipped with flow meter outside; Perhaps, the outer end of pipe closer valve 4 is equipped with outer tube pressure tapping 3 and flow meter outside; Perhaps, in the outer end of outer tube flow control valve 13 outer tube pressure tapping 3 is installed; Perhaps, in the outer end of outer tube flow control valve 13 flow meter is installed; Perhaps, in the outer end of outer tube flow control valve 13 outer tube pressure tapping 3 and flow meter are installed); Casing pressure meter connector 2 is installed or/and flow meter (that is: is equipped with casing pressure meter connector 2 in the outer end of sleeve pipe gate valve 1 in the outer end of sleeve pipe gate valve 1 or sleeve pipe flow control valve 16; Perhaps, in the outer end of sleeve pipe gate valve 1 flow meter is installed; Perhaps, in the outer end of sleeve pipe gate valve 1 casing pressure meter connector 2 and flow meter are installed; Perhaps, in the outer end of sleeve pipe flow control valve 16 casing pressure meter connector 2 is installed; Perhaps, the outer end of sleeve pipe flow control valve 16 is equipped with flow meter; Perhaps, in the outer end of sleeve pipe flow control valve 16 casing pressure meter connector 2 and flow meter are installed).
In the utility model: sleeve pipe gate valve, casing pressure meter connector, outer tube pressure tapping, outer tube gate valve, interior pipe tubing hanger, interior pipe closer valve, interior hook gauge joint, test gate valve, interior pipe flow control valve, the little four-way of interior pipe, upper flange, gland, outer tube flow control valve, outer tube four-way, outer tube tubing hanger, sleeve pipe control valve all adopt prior art.
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.
The course of work of the present utility model is as follows: when managing water filling in needs, pipe flow control valve 9, interior pipe closer valve 6 in opening can carry out water filling by internal pipe; Can be according to producing needs, pipe flow control valve 9 switch degree in regulating, the size of pipe water injection rate in accurately regulating.When the water filling of needs outer tube, open outer tube flow control valve 13, outer tube gate valve 4, can carry out water filling to outer tube; Can regulate outer tube flow control valve 3 switch degree, the size of accurately regulating the outer tube water injection rate according to producing needs.Inside and outside tubing string can be independent of each other simultaneously separately to the water filling of different layers position, can effectively solve the common production problems such as interlayer contradiction in oil field.
Claims (10)
1, a kind of concentric double pipe water injection well device, it is characterized in that comprising the sleeve pipe big four, the sleeve pipe gate valve, the outer tube four-way, the outer tube gate valve, interior pipe closer valve, casing flange is fixedly mounted on the bottom of sleeve pipe big four, the top of sleeve pipe big four is fixedly mounted on the bottom of outer tube four-way, be installed with the sleeve pipe gate valve or/and the sleeve pipe flow control valve at sleeve pipe big four side, side at the outer tube four-way is installed with the outer tube gate valve or/and the outer tube flow control valve, top at the outer tube four-way is equipped with upper flange, pipe closer valve on upper flange, being equipped with, the outer tube tubing hanger that outer tube can be installed is arranged at the bottom of outer tube four-way, and interior pipe tubing hanger and the gland that interior pipe can be installed arranged at the top of outer tube four-way.
2, concentric double pipe water injection well device according to claim 1, the little four-way of pipe in the top of pipe closer valve is equipped with in it is characterized in that.
3, concentric double pipe water injection well device according to claim 2, pipe flow control valve in the side of the little four-way of pipe is equipped with in it is characterized in that.
4, concentric double pipe water injection well device according to claim 3, the hook gauge joint was or/and flow meter in the outer end of pipe flow control valve was equipped with in it is characterized in that.
5, according to claim 2 or 3 or 4 described concentric double pipe water injection well devices, the top of the little four-way of pipe is equipped with the test gate valve in it is characterized in that.
6, according to claim 1 or 2 or 3 or 4 described concentric double pipe water injection well devices, it is characterized in that the outer end of outer tube gate valve or outer tube flow control valve is equipped with the outer tube pressure tapping or/and flow meter.
7, concentric double pipe water injection well device according to claim 5 is characterized in that the outer end of outer tube gate valve or outer tube flow control valve is equipped with the outer tube pressure tapping or/and flow meter.
8, according to claim 1 or 2 or 3 or 4 described concentric double pipe water injection well devices, it is characterized in that the outer end of sleeve pipe gate valve or sleeve pipe flow control valve is equipped with the casing pressure meter connector or/and flow meter.
9, concentric double pipe water injection well device according to claim 6 is characterized in that the outer end of sleeve pipe gate valve or sleeve pipe flow control valve is equipped with the casing pressure meter connector or/and flow meter.
10, limit is characterized in that according to the described concentric double pipe water injection well of claim 7 device the outer end of sleeve pipe gate valve or sleeve pipe flow control valve is equipped with the casing pressure meter connector or/and flow meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620200581 CN2929158Y (en) | 2006-06-30 | 2006-06-30 | Wellhead device of concentric double tube injection water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620200581 CN2929158Y (en) | 2006-06-30 | 2006-06-30 | Wellhead device of concentric double tube injection water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2929158Y true CN2929158Y (en) | 2007-08-01 |
Family
ID=38307542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620200581 Expired - Lifetime CN2929158Y (en) | 2006-06-30 | 2006-06-30 | Wellhead device of concentric double tube injection water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2929158Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359355A (en) * | 2011-09-23 | 2012-02-22 | 中国石油天然气股份有限公司 | Concentric-tube double-tube steam injection wellhead device |
| CN103953304A (en) * | 2014-05-18 | 2014-07-30 | 中国石油化工股份有限公司 | Casing repaired separate layer water injection string |
| RU2524787C1 (en) * | 2013-03-12 | 2014-08-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Тюменский государственный нефтегазовый университет" (ТюмГНГУ) | Re-equipment of self-squeezing gas well head |
| CN115341884A (en) * | 2022-09-06 | 2022-11-15 | 延长油田股份有限公司 | Concentric double-pipe layered water injection process |
-
2006
- 2006-06-30 CN CN 200620200581 patent/CN2929158Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359355A (en) * | 2011-09-23 | 2012-02-22 | 中国石油天然气股份有限公司 | Concentric-tube double-tube steam injection wellhead device |
| RU2524787C1 (en) * | 2013-03-12 | 2014-08-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Тюменский государственный нефтегазовый университет" (ТюмГНГУ) | Re-equipment of self-squeezing gas well head |
| CN103953304A (en) * | 2014-05-18 | 2014-07-30 | 中国石油化工股份有限公司 | Casing repaired separate layer water injection string |
| CN115341884A (en) * | 2022-09-06 | 2022-11-15 | 延长油田股份有限公司 | Concentric double-pipe layered water injection process |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070801 |
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| EXPY | Termination of patent right or utility model |