CN205297469U - Device is flowed in oil jacket management and control - Google Patents
Device is flowed in oil jacket management and control Download PDFInfo
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- CN205297469U CN205297469U CN201521019184.2U CN201521019184U CN205297469U CN 205297469 U CN205297469 U CN 205297469U CN 201521019184 U CN201521019184 U CN 201521019184U CN 205297469 U CN205297469 U CN 205297469U
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- pipeline
- oil
- flow control
- control device
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Abstract
The utility model discloses device is flowed in oil jacket management and control relates to one kind and is used for the accuse of production tree oil sheathed tube to flow the device. Its purpose is in order to provide a device is flowed in oil jacket management and control, can directly collect oil outlet pipeline through self pressure with oil jacket annular space's crude oil, reduces the emergence that bodily injury, environmental pollution avoided potential safety hazards and lawless persons to steal oily phenomenon. The utility model discloses device is flowed in oil jacket management and control includes a pipeline (11), one end and sleeve pipe gate (4) of pipeline (11) are linked together, and the other end and oil outlet pipeline (8) of pipeline (11) are linked together, be connected with intelligent flow control valve (7) on pipeline (11).
Description
Technical field
This utility model relates to technical field of petroleum machinery, particularly relates to a kind of flow control device for production tree tubing and casing.
Background technology
Mechanical oil recovery waterflooding oil field, owing to note is adopted inharmonious, cause that connect good Production Wells ability with water injection well vigorous, in oil casing annular space, liquid level is high, pressure is high (different based on profit density, in oil casing annular space, pure oil is distributed in more than pumping hand-hole, oil-water mixture is distributed in below pumping hand-hole), in order to complete yield task, the crude oil stopped in oil casing annular space is stolen by lawless person, on-the-spot many employing tank cars carry out artificial sleeve pipe and receive oil: namely sleeve gate is connected with the receipts oil tank on towed vehicle by collection tube, by in the crude oil collection in oil sets annular space to tank car.
Adopting tank car to carry out artificial sleeve pipe receipts oil and have the disadvantages that one is, it is high that oil cost of labor received by sleeve pipe; Manually receive in oil, particularly lawless person's stolen process, shake out owing to unexpected increased drawdown easily causes oil well excitement. Two are, during flow process attended operation, there is high pressure injury and environmental pollution. Three are, lawless person easily from sleeve gate stolen, causes serious economic loss. Four are, the volume increase of high energy well extract must flow through and tunes up working system realization.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of tubing and casing flow control device, by pressure itself, the crude oil in oil sets annular space can being directly collected into flow line, hidden danger and the generation of lawless person's stolen phenomenon are avoided in minimizing personal injury, environmental pollution.
This utility model tubing and casing flow control device, including a pipeline, one end of described pipeline is connected with sleeve gate, and the other end of pipeline is connected with flow line, and described pipeline is connected to intelligence flow control valve.
This utility model tubing and casing flow control device, wherein said pipeline is connected with sleeve gate by a threeway, and described threeway is also associated with sleeve Pressure gauge.
This utility model tubing and casing flow control device, the mode that wherein said pipeline is connected with flow line is, flow line is connected to a pipe nipple, and described pipeline is connected with described pipe nipple by a gate.
This utility model tubing and casing flow control device, wherein in the vertical direction, the position of described pipe nipple will lower than the position of sleeve gate.
This utility model tubing and casing flow control device, wherein said pipeline is made up of high-voltage tube.
This utility model tubing and casing flow control device, wherein said pipeline includes the vertical tube and the transverse tube that are interconnected, and described vertical tube is connected with threeway, and described transverse tube is connected with gate.
This utility model tubing and casing flow control device, wherein said intelligence flow control valve is arranged on the upper end of described vertical tube.
This utility model tubing and casing flow control device, wherein said pipe nipple is by being welded to connect on flow line.
This utility model tubing and casing flow control device, wherein said high-voltage tube is steel pipe.
This utility model tubing and casing flow control device, wherein said high-voltage tube is copper pipe.
This utility model tubing and casing flow control device difference from prior art is in that this utility model connects a pipeline between sleeve gate with flow line, this pipeline is provided with an intelligence flow control valve, in daily production, sleeve gate is made to be in long-term open mode, intelligence flow control valve sets a force value higher than Oil Well Back Pressure, namely when casing pressure is higher than back pressure, intelligence flow control valve automatically turns on, crude oil in oil sets annular space utilizes pressure itself, enter in flow line along high-voltage tube, will not to environment, it is to avoid crude oil loss.
It is additionally provided with casing pressure table between sleeve gate and intelligence flow control valve in this utility model tubing and casing flow control device, the pressure size in sleeve pipe can be observed by this casing pressure table.
Pipeline in this utility model tubing and casing flow control device is additionally provided with gate, the connection between pipeline and flow line can be opened and closed by this gate.
The position of the pipe nipple in the vertical direction in this utility model tubing and casing flow control device lower than sleeve gate, so to enter into flow line from sleeve gate crude oil out more easily along pipeline.
Below in conjunction with accompanying drawing, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is the front view of this utility model tubing and casing flow control device.
Detailed description of the invention
Oil pipe 2 and sleeve pipe 1 are all requisite pipe tools in oil exploitation. Oil pipe 2 is normally to produce, at oil well, the pipe entered at present in oil well casing. In flowing well, crude oil to ground, enters gathering and transferring process by oil pipe stream. In machine-pumped oil well, oil pipe 2, sucker rod, deep well pump (i.e. " three take out " equipment) combine, and oil is extracted into ground, enter gathering and transferring process.
Sleeve pipe 1 is after drilling well terminates, and is lowered into the pipe of down-hole, with cement sealing between sleeve pipe 1 and the borehole wall, is then directed at target zone perforation with perforating gun, makes oil stream wear at the bottom of rock stratum, cement sheath, sleeve pipe 1 access wall, enters back into oil pipe 2 to ground. The effect of sleeve pipe 1 is as follows: 1, Reinforcing Shaft, it is prevented that formation collapse; 2, packing different oil reservoir, water layer, it is achieved separate zone production; 3, measure operation and the maintainability operation such as pressure break convenient to carry out, acidifying. 5, form oil flow channel, coordinate oil pipe to reach the purpose recovered the oil.
Production tree is that flowing well and machine-pumped oil well etc. are for exploiting the wellhead assembly of oil, as shown in Figure 1, production tree includes the big four 12, master valve 13, little four-way 14 and the rubber valve 15 that are sequentially connected from down to up, big four 12 be each side connected to a sleeve gate 4, little four-way 14 be each side connected to a production gate 16, it is positioned on the production gate 16 in left side and is connected to tubing gauge 17, it is positioned on the production gate 16 on right side and is connected to flow line 8, flow line 8 is connected to back-pressure gate 18.
Crude oil flow direction in oil pipe 2 is as follows: crude oil arrives big four 12 through oil pipe 2, upwards arrives little four-way 14 through master valve 13 afterwards, arrives flow line 8 from the production gate 16 being connected with little four-way 14 again.
In oil sets annular space 3, the flow direction of crude oil is as follows: flows to big four 12 from oil sets annular space 3, then flows to sleeve gate 4 in big four 12.
Inside big four 12, the crude oil from oil pipe 2 can't converge with the crude oil from oil sets annular space 3, but each according to above-mentioned path flowing.
This utility model tubing and casing flow control device is contemplated to the crude oil gathering in oil sets annular space 3 more easily, as shown in Figure 1, this utility model tubing and casing flow control device includes a pipeline 11, one end of described pipeline 11 is connected with the sleeve gate 4 on the left of big four, the other end of pipeline 11 is connected with flow line 8, and described pipeline 11 is connected to intelligence flow control valve 7.
Pipeline 11 can also connect with the sleeve gate 4 on the right side of big four 12. Intelligence flow control valve 7 is prior art, at this, its operation principle is summarized. Intelligence flow control valve 7 is a kind of multi-functional valve adopting high accuracy guide's mode to control flow, need to control the pipeline of flow and pressure suitable in sparge pipe, keep predetermined amount of flow constant, by excessive flow restriction a predetermined value, and upstream high is suitably lowered, even if the pressure of main valve upstream changes, without the flow affecting main valve downstream. Its connected mode is divided into flange form, screw-type and welding type, and control and regulation mode is divided into automatically. Intelligence flow control valve 7 comprises an automatic spool, and automatic spool is used to maintain constant flow, and namely when ductwork pressure change, automatic spool will automatically be opened greatly or turn down valve port under the effect of the pressure and maintain that to set flow number constant.
Preferably, pipeline 11 is connected with sleeve gate 4 by a threeway 5, and described threeway 5 is also associated with sleeve Pressure gauge 6. Concrete connected mode is: pipeline 11, sleeve gate 4 and casing pressure table 6 are connected in three outlets of threeway 5. Arrange casing pressure table 6 in order that the pressure observed in sleeve pipe 1.
Preferably, the mode that pipeline 11 is connected with flow line 8 is: be connected to a pipe nipple 9 on flow line 8, specifically weld described pipe nipple 9 in the perforate of flow line 8 lower end, described pipeline 11 is connected with described pipe nipple 9 by a gate 10, namely pipe nipple 9 is connected in the outlet of gate 10, and pipeline 11 is connected in the import of gate 10.
It is can open and close the connection between pipeline 11 and flow line 8 by this gate 10 that pipeline 11 is provided with the purpose of gate 10, and when closed shutter 10, production tree is only recovered the oil by oil pipe 2.
Preferably, wherein in the vertical direction, the position of described pipe nipple 9 will lower than the position of sleeve gate 4. Pipeline 11 includes the vertical tube and the transverse tube that are interconnected, and described vertical tube is connected with threeway 5, and described transverse tube is connected with gate 10. The layout of whole pipeline 11 is as follows: the pipeline 11 being connected with threeway 5 extends vertically downwards, horizontally extending to being connected with flow line 8 more afterwards. So, as long as long as crude oil from sleeve gate 4 out will flowing into pipeline 11, be flowed in flow line 8 then through pipeline 11 afterwards, thus completing the automatic collection of crude oil.
Preferably, intelligence flow control valve 7 is arranged on the upper end of described vertical tube.
Pipeline 11 shape in this utility model is not limited to the L-type pipe being made up of vertical tube and transverse tube, if its purpose that can reach to carry crude oil from sleeve gate 4 to flow line 8.Such as, pipeline 11 is curved pipe, and the upper end of curved pipe is connected to threeway 5, and two other port of threeway 5 is adapter sleeve hook gauge 6 and sleeve gate 4 respectively. The lower end of curved pipe is connected with the import of gate 10, and the outlet of gate 10 is connected with pipe nipple 9, and pipe nipple 9 is connected on flow line 8 by the mode welded. Curved pipe is connected to intelligence flow control valve 7.
This utility model tubing and casing flow control device, wherein said pipeline 11 is made up of high-voltage tube. High-voltage tube is prior art, and it is a kind of pipe that can bear pressure, utilizes this pipe to carry liquid, and its kind is a lot, have steel pipe, copper pipe, stainless steel tube and other etc.
This utility model tubing and casing flow control device is to be discharged in flow line 8 by the crude oil in the oil sets annular space formed between oil pipe 2 and sleeve pipe 13, then between sleeve gate 4 with flow line 8, connect a pipeline 11, this pipeline 11 is provided with an intelligence flow control valve 7, in daily production, sleeve gate 4 and gate 10 is made to be in long-term open mode, intelligence flow control valve 7 sets a force value higher than Oil Well Back Pressure, namely when casing pressure is higher than back pressure, intelligence flow control valve 7 automatically turns on, crude oil in oil sets annular space 3 utilizes pressure itself, enter in flow line 8 along high-voltage tube, will not to environment, avoid crude oil to lose.
When intelligence flow control valve 7 is opened, oil well is recovered the oil by two paths by production tree simultaneously: one is oil pipe 2, and crude oil arrives flow line 8 by big four 12, master valve 13, little four-way 14, production gate 16; Two is sleeve pipe 1, and namely the crude oil in oil sets annular space 3 arrives flow line 8 by sleeve gate 4, threeway 5, pipeline 11, gate 10.
It is provided with casing pressure table 6 between sleeve gate 4 and intelligence flow control valve 7 in this utility model tubing and casing flow control device, the pressure size in sleeve pipe 1 can be observed by this casing pressure table 6.
The position of pipe nipple 9 in the vertical direction in this utility model tubing and casing flow control device lower than sleeve gate 4, so to enter into flow line 8 from sleeve gate 4 crude oil out more easily along pipeline 11.
Embodiment described above is only that the preferred embodiment of the present invention is described; not the scope of the present invention is defined; under the premise designing spirit without departing from the present invention; various deformation that technical scheme is made by those of ordinary skill in the art and improvement, all should fall in the protection domain that claims of the present invention is determined.
Claims (10)
1. a tubing and casing flow control device, it is characterized in that: include a pipeline (11), one end of described pipeline (11) is connected with sleeve gate (4), the other end of pipeline (11) is connected with flow line (8), and described pipeline (11) is connected to intelligence flow control valve (7).
2. tubing and casing flow control device according to claim 1, it is characterized in that: described pipeline (11) is connected with sleeve gate (4) by a threeway (5), and described threeway (5) is also associated with sleeve Pressure gauge (6).
3. tubing and casing flow control device according to claim 2, it is characterized in that: the mode that described pipeline (11) is connected with flow line (8) is, being connected to a pipe nipple (9) on flow line (8), described pipeline (11) is connected with described pipe nipple (9) by a gate (10).
4. tubing and casing flow control device according to claim 3, it is characterised in that: in the vertical direction, the position of described pipe nipple (9) will lower than the position of sleeve gate (4).
5. tubing and casing flow control device according to claim 4, it is characterised in that: described pipeline (11) is made up of high-voltage tube.
6. tubing and casing flow control device according to claim 5, it is characterized in that: described pipeline (11) includes the vertical tube and the transverse tube that are interconnected, described vertical tube is connected with threeway (5), and described transverse tube is connected with gate (10).
7. tubing and casing flow control device according to claim 6, it is characterised in that: described intelligence flow control valve (7) is arranged on the upper end of described vertical tube.
8. tubing and casing flow control device according to claim 7, it is characterised in that: described pipe nipple (9) is by being welded to connect on flow line (8).
9. tubing and casing flow control device according to claim 8, it is characterised in that: described high-voltage tube is steel pipe.
10. tubing and casing flow control device according to claim 8, it is characterised in that: described high-voltage tube is copper pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521019184.2U CN205297469U (en) | 2015-12-09 | 2015-12-09 | Device is flowed in oil jacket management and control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521019184.2U CN205297469U (en) | 2015-12-09 | 2015-12-09 | Device is flowed in oil jacket management and control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205297469U true CN205297469U (en) | 2016-06-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521019184.2U Active CN205297469U (en) | 2015-12-09 | 2015-12-09 | Device is flowed in oil jacket management and control |
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| Country | Link |
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| CN (1) | CN205297469U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522893A (en) * | 2016-12-22 | 2017-03-22 | 河北众杰石油设备修理有限公司 | Device and technique for recovering oil in casing pipe |
| CN108843250A (en) * | 2018-07-19 | 2018-11-20 | 陈群芳 | System for pumping under water |
| CN111101891A (en) * | 2019-02-19 | 2020-05-05 | 大庆市富隆达石油工程机械设备有限公司 | Valve for oil well |
-
2015
- 2015-12-09 CN CN201521019184.2U patent/CN205297469U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522893A (en) * | 2016-12-22 | 2017-03-22 | 河北众杰石油设备修理有限公司 | Device and technique for recovering oil in casing pipe |
| CN108843250A (en) * | 2018-07-19 | 2018-11-20 | 陈群芳 | System for pumping under water |
| CN111101891A (en) * | 2019-02-19 | 2020-05-05 | 大庆市富隆达石油工程机械设备有限公司 | Valve for oil well |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |