CN205078215U - Water injection well head device - Google Patents
Water injection well head device Download PDFInfo
- Publication number
- CN205078215U CN205078215U CN201520888056.5U CN201520888056U CN205078215U CN 205078215 U CN205078215 U CN 205078215U CN 201520888056 U CN201520888056 U CN 201520888056U CN 205078215 U CN205078215 U CN 205078215U
- Authority
- CN
- China
- Prior art keywords
- water injection
- short circuit
- oil pipe
- valve
- injection well
- 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.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000002347 injection Methods 0.000 title claims abstract description 49
- 239000007924 injection Substances 0.000 title claims abstract description 49
- 238000012423 maintenance Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036449 good health Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a water injection well head device, including the oil pipe short circuit, the one side of going up end cap, other end mounting flange is connected to the one end of oil pipe short circuit, and the one end of the opposite side adapter sleeve short circuit of ring flange coaxially in the sleeve pipe short circuit is provided with interior oil pipe, and interior oil pipe is linked together with the oil pipe short circuit after passing the ring flange, the side of sleeve pipe short circuit is provided with the water injection pipeline a who is linked together with interior oil pipe, and the side of sleeve pipe short circuit still is provided with the water injection pipeline b who is linked together with interior oil pipe, and the side of oil pipe short circuit is provided with the water injection pipeline c who is linked together with the oil pipe short circuit, and water injection pipeline c still is linked together with water injection pipeline b, be provided with valve c on the water injection pipeline a, be provided with valve an on the water injection pipeline b, be provided with valve b and sample connection on the water injection pipeline c. The utility model discloses except can carrying out normal water injection operation, simultaneously still can carry out anti - notes, commingled water injection to the water injection well, just wash, the backwash operation.
Description
Technical field
The utility model belongs to oil-extracting and water-injecting device technique field, is specifically related to a kind of Water injection well head device.
Background technology
In the water injection well of existing various types of ground, oil field, be generally all provided with 5 to 10 and above valve, pressure meter be provided with 4 to 6 and more than, wellhead manifold is many in biplane or single-blade formula etc., and Flange joint was then 4 to 10 with last.Its wellhead assembly often more complicated, huge, heavy, not only carry inconvenience, and difficulty is installed, maintenance is taken a lot of work, especially the water injection well that remote for some location comparisons, staff not easily arrives, the numerous and jumbled various easy generation loss of part of water injection well, loss, and the phenomenons such as junction Yi Fashengci leakage.All kinds of problems that these injection well head assemblies exist, make oil field that certain human and material resources, financial resources must be spent to maintain the normal effective operation of water injection well, can not reach efficient, low consumption, economy type object, and can affect to some extent and restrict the development in good health of water flooding.
Utility model content
The purpose of this utility model is to provide a kind of Water injection well head device, solves water injection well complex structure of the prior art, problem difficult in maintenance.
The technical scheme that the utility model adopts is: a kind of Water injection well head device, comprise oil pipe short circuit, one end of oil pipe short circuit connects upper plug head, the side of the other end mounting flange of oil pipe short circuit, one end of the opposite side splicing sleeve short circuit of flange, be coaxially arranged with inner oil tube in casing short joint, inner oil tube is connected with oil pipe short circuit through after flange; The side of casing short joint is provided with the waterflood-transmission line a be connected with inner oil tube, the side of casing short joint is also provided with the waterflood-transmission line b be connected with inner oil tube, the side of oil pipe short circuit is provided with the waterflood-transmission line c be connected with oil pipe short circuit, and waterflood-transmission line c is also connected with waterflood-transmission line b; Waterflood-transmission line a is provided with valve c, waterflood-transmission line b is provided with valve a, waterflood-transmission line c is provided with valve b and sample tap.
Feature of the present utility model is also:
Flange is made up of upper flange and lower flange, and upper flange is connected with oil pipe short circuit, and lower flange is connected with casing short joint.
Upper flange and lower flange are fixed by screw connection, are provided with ring gasket and gasket ring between upper flange and lower flange.
Waterflood-transmission line a is provided with pressure meter c, oil pipe short circuit is provided with pressure meter b, waterflood-transmission line c is provided with pressure meter a.
Pressure meter a, pressure meter b and pressure meter c are shock-proof pressure gauge.
Valve a, valve b and valve c are manual flat valve.
Upper plug head is female plug.
The other end of casing short joint is provided with the external screw thread for being connected with parts casing pipe under water injection well.
Oil pipe short circuit and casing short joint are 0.6 meter.
The beneficial effects of the utility model are: ground of the present utility model Water injection well head device, it is a kind of novel simple and easy water injection well, be communicated with by the reasonable Arrangement of oil pipe short circuit, casing short joint and waterflood-transmission line, structure is simple, easy to use, except can carrying out normal water injection work (just noting), also instead can to note water injection well simultaneously, close note, just wash, backwash operation, be specially adapted to the water injection well such as remote location inconvenience, ground water injection well maintenance difficulty.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of Water injection well head device of the utility model.
In figure, 1. upper plug head, 2. oil pipe short circuit, 3. valve b, 4. upper flange, 5. pressure meter a, 6. sample tap, 7. lower flange, 8. casing short joint, 9. valve a, 10. valve c, 11. pressure meter c, 12. pressure meter b, 13. inner oil tubes, 14. waterflood-transmission line a, 15. waterflood-transmission line b, 16. waterflood-transmission line c.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail:
A kind of Water injection well head device of the present utility model, as shown in Figure 1, comprises oil pipe short circuit 2, and one end of oil pipe short circuit 2 connects upper plug head 1, and upper plug head 1 is female plug.The side of the other end mounting flange of oil pipe short circuit 2, one end of the opposite side splicing sleeve short circuit 8 of flange, the other end of casing short joint 8 is provided with the external screw thread for being connected with parts casing pipe under water injection well.Inner oil tube 13 is coaxially arranged with in casing short joint 8, inner oil tube 13 is connected with oil pipe short circuit 2 through after flange, flange is made up of upper flange 4 and lower flange 7, upper flange 4 is connected with oil pipe short circuit 2, lower flange 7 is connected with casing short joint 8, and inner oil tube 13 specifically hangs on the bottom of upper flange 4 and is connected with oil pipe short circuit 2.Upper flange 4 and lower flange 7 are fixed by screw connection, are provided with ring gasket and gasket ring between upper flange 4 and lower flange 7.The side of casing short joint 8 is provided with the waterflood-transmission line a14 be connected with inner oil tube 13, the side of casing short joint 8 is also provided with the waterflood-transmission line b15 be connected with inner oil tube 13, the side of oil pipe short circuit 2 is provided with the waterflood-transmission line c16 be connected with oil pipe short circuit 2, and waterflood-transmission line c16 is also connected with waterflood-transmission line b15; Waterflood-transmission line a14 is provided with valve c10, waterflood-transmission line b15 is provided with valve a9, waterflood-transmission line c16 is provided with valve b3 and sample tap 6, valve b3, valve a9 and valve c10 are manual flat valve.Waterflood-transmission line a14 is provided with pressure meter c11, oil pipe short circuit 2 is provided with pressure meter b12, waterflood-transmission line c16 is provided with pressure meter a5, pressure meter a5 is between valve b3 and sample tap 6.Pressure meter a5, pressure meter c11 and pressure meter b12 are shock-proof pressure gauge.Preferably, oil pipe short circuit 2 and casing short joint 8 are 0.6 meter.
During use, when carrying out normal water injection work (just noting), screw upper plug head 1, the injection water of high pressure injects from sample tap 6, now opens valve b3, and valve-off a9 and valve c10, read the pressure injecting water simultaneously from pressure meter b12, thus complete normal water injection work; When counter note operation time, screw upper plug head 1, inject water and inject from sample tap 6, now open valve a9, and valve-off b3 and valve c10, read the pressure injecting water simultaneously from pressure meter a5, thus complete and instead note operation; When carrying out the operation of conjunction note, screw upper plug head 1, injection water injects from sample tap 6, now opens valve a9 and valve b3, and valve-off c10, read the pressure injecting water simultaneously from pressure meter a5, thus complete the operation of conjunction note; When just washing operation, screw upper plug head 1, inject water to inject from sample tap 6, now open valve b3 and valve c10, and valve-off a9, high-pressure injected water enters oil pipe short circuit 2 from valve b3, then enters waterflood-transmission line a14 from inner oil tube 13, finally flow out from valve c10, thus complete and just wash operation; When carrying out backwash operation, open upper plug head 1, inject water to inject from valve c10 side, now valve c10 opens, and valve a9 and valve b3 all closes, inject water and enter inner oil tube 13 from valve c10, then upper anti-from oil pipe short circuit 2, finally flow out from oil pipe short circuit 2 top, thus complete backwash operation.Be exactly more than Water injection well head device of the present utility model complete normal water filling (just noting), anti-note, close note, just wash, the job content of backwash.The utility model wellhead connection device is few, part is few, structure is simple, easy transportation and installation, stable and reliable operation, maintenance are simple, easy and simple to handle, and applied range, effectively can improve water injection well and run and operating efficiency.
Claims (9)
1. a Water injection well head device, it is characterized in that, comprise oil pipe short circuit (2), one end of oil pipe short circuit (2) connects upper plug head (1), the side of the other end mounting flange of oil pipe short circuit (2), one end of the opposite side splicing sleeve short circuit (8) of flange, be coaxially arranged with inner oil tube (13) in casing short joint (8), inner oil tube (13) is connected with oil pipe short circuit (2) through after described flange; The waterflood-transmission line a (14) be connected with inner oil tube (13) is provided with in the side of casing short joint (8), the side of casing short joint (8) is also provided with the waterflood-transmission line b (15) be connected with inner oil tube (13), the side of oil pipe short circuit (2) is provided with the waterflood-transmission line c (16) be connected with oil pipe short circuit (2), and waterflood-transmission line c (16) is also connected with waterflood-transmission line b (15); Waterflood-transmission line a (14) is provided with valve c (10), waterflood-transmission line b (15) is provided with valve a (9), waterflood-transmission line c (16) is provided with valve b (3) and sample tap (6).
2. a kind of Water injection well head device according to claim 1, it is characterized in that, described flange is made up of upper flange (4) and lower flange (7), upper flange (4) is connected with oil pipe short circuit (2), and lower flange (7) is connected with casing short joint (8).
3. a kind of Water injection well head device according to claim 2, it is characterized in that, described upper flange (4) and lower flange (7) are fixed by screw connection, are provided with ring gasket and gasket ring between upper flange (4) and lower flange (7).
4. a kind of Water injection well head device according to claim 1, it is characterized in that, described waterflood-transmission line a (14) is provided with pressure meter c (11), described oil pipe short circuit (2) is provided with pressure meter b (12), described waterflood-transmission line c (16) is provided with pressure meter a (5).
5. a kind of Water injection well head device according to claim 4, is characterized in that, described pressure meter a (5), pressure meter c (11) and pressure meter b (12) are shock-proof pressure gauge.
6. a kind of Water injection well head device according to claim 1, is characterized in that, described valve b (3), valve a (9) and valve c (10) are manual flat valve.
7. a kind of Water injection well head device according to claim 1, is characterized in that, described upper plug head (1) is female plug.
8. a kind of Water injection well head device according to any one of claim 1-7, is characterized in that, the other end of described casing short joint (8) is provided with the external screw thread for being connected with parts casing pipe under water injection well.
9. a kind of Water injection well head device according to any one of claim 1-7, is characterized in that, described oil pipe short circuit (2) and casing short joint (8) are 0.6 meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520888056.5U CN205078215U (en) | 2015-11-09 | 2015-11-09 | Water injection well head device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520888056.5U CN205078215U (en) | 2015-11-09 | 2015-11-09 | Water injection well head device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205078215U true CN205078215U (en) | 2016-03-09 |
Family
ID=55430629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520888056.5U Expired - Fee Related CN205078215U (en) | 2015-11-09 | 2015-11-09 | Water injection well head device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205078215U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108691566A (en) * | 2017-04-11 | 2018-10-23 | 中国石油化工股份有限公司 | Sand control pack integrated well head device and operational method |
-
2015
- 2015-11-09 CN CN201520888056.5U patent/CN205078215U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108691566A (en) * | 2017-04-11 | 2018-10-23 | 中国石油化工股份有限公司 | Sand control pack integrated well head device and operational method |
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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: 20160309 Termination date: 20181109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |