CN201835785U - Oil-water well device capable of automatically controlling pressure relief and liquid discharge as well as pumping discharged liquid to production pipeline - Google Patents
Oil-water well device capable of automatically controlling pressure relief and liquid discharge as well as pumping discharged liquid to production pipeline Download PDFInfo
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- CN201835785U CN201835785U CN2010205359639U CN201020535963U CN201835785U CN 201835785 U CN201835785 U CN 201835785U CN 2010205359639 U CN2010205359639 U CN 2010205359639U CN 201020535963 U CN201020535963 U CN 201020535963U CN 201835785 U CN201835785 U CN 201835785U
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Abstract
The utility model provides an oil-water well device capable of automatically controlling pressure relief and liquid discharge as well as pumping the discharged liquid to a production pipeline, which belongs to the technical field of oil well repairing machineries. The utility model discloses an oil-water well device capable of automatically controlling pressure relief and liquid discharge as well as pumping the discharged liquid to a production pipeline. A normally-closed electromagnetic gate valve at the inlet is connected with an inlet pipeline of a liquid storage pot, wherein the outlet of the liquid storage pot is connected with a normally-closed electromagnetic gate valve at the outlet through a pipeline, the normally-closed electromagnetic gate valve at the outlet is connected with a centrifugal pump through a pipeline, and a full liquid sensor and a breathing pipe are installed and connected at the top of the liquid storage pot respectively; a less liquid sensor is installed and connected at the bottom of the liquid storage pot and above the outlet of the liquid storage pot; the full liquid sensor and the less liquid sensor are connected with an electric-control driving device through electrical signals; the normally-closed electromagnetic gate valve at the inlet and the normally-closed electromagnetic gate valve at the outlet are connected with the electric-control driving device through electrical signals; and a driving shaft of the electric-control driving device is connected with a multistage centrifugal pump in a driving way. Therefore, the oil-water well device has the advantages of rapidness, security, emission reduction, pressure relief and discharged liquid return.
Description
Technical field
The utility model belongs to oil well repairing operation process machinery technical field, relates to a kind of oil-water well automatic control pressure release discharge opeing and discharging liquid pumping to the device of producing pipeline, is specially adapted to the step-down construction in the workover treatment of profit field.
Background technology
As everyone knows, the mode of displacement of reservoir oil by filling water is generally adopted in onshore oil field production, the water flooding middle and later periods, because stratum energy obtains to replenish and recover, spray on the liquid when therefore causing workover treatment, and cause environment pollution and bring difficulty to job execution.
Known oil-water well workover operation construction method has: band is pressed workover treatment method, kill job method, pressure release workover treatment method.
Band is pressed the workover treatment method, needs special blowout hookup, and the construction investment of blowout hookup processing at present needs more than 7,000 ten thousand yuan, and every blowout hookup price is up to more than 380-600 ten thousand yuan.Investment is big, the price height.
The kill job method, if well killing fluid density is excessive, or the well killing fluid oil reservoir that bleeds in a large number influences the ordinary production of oil reservoir at least, prolongs drain time during kill-job, severe patient can block oil reservoir, causes oil reservoir not fuel-displaced.If the density that well killing fluid is selected is crossed low can not pushing down oil reservoir, in construction, can cause blowout.
The method of known pressure release construction need be closed water injection well around the construction well, and liquid in the construction well is drained in the jar, pull away with tank car, or be stored in the jar, perhaps the well site dig pit spread Polypropylence Sheet after discharge liquid, then with being pumped on the tank car.Because jar and the finite capacity in hole, so repeatedly discharge opeing and with tank car in the pumping causes that to stop the well time long, energy consumption is big, and environment is had pollution, construction equipment is many, has also brought hidden danger to trouble free service, and operating cost is improved greatly.
Summary of the invention
The utility model discloses a kind of oil-water well pressure release discharge opeing and, press the investment of well workover blowout hookup big with band in the solution prior art, the price height discharging liquid pumping to the device of producing pipeline; Kill job well killing fluid density is excessive, or the well killing fluid oil reservoir that bleeds in a large number, prolongs drain time, influences ordinary production, and the severe patient oil reservoir blocks not fuel-displaced, and well killing fluid density is crossed etc. to hang down and can cause blowout in construction; Repeatedly discharge opeing and with tank car in the pumping of pressure release construction, it is long to stop the well time, and energy consumption is big, and environment is had pollution, and construction equipment is many, problems such as operating cost height.
The utility model comprises the normally closed electromagnetic valve of inlet, fluid reservoir, exports normally closed electromagnetic valve, centrifugal pump, electric control driving device, full liquid sensor, owes liquid sensor, respiratory siphon; The normally closed electromagnetic valve that enters the mouth is connected with the fluid reservoir suction line, and the fluid reservoir outlet is connected with the normally closed electromagnetic valve pipeline of outlet, exports normally closed electromagnetic valve and is connected with the centrifugal pump pipeline, and full liquid sensor, respiratory siphon are installed the top that is connected fluid reservoir; Owe the liquid sensor bottom that is connected fluid reservoir is installed, the top of fluid reservoir outlet; Full liquid sensor, owe the liquid sensor and be connected with the electric control driving device signal of telecommunication respectively; The normally closed electromagnetic valve that enters the mouth is connected with the electric control driving device signal of telecommunication with the normally closed electromagnetic valve of outlet.The driving shaft of electric control driving device drives with centrifugal multistage pump multiple centrifugal pump and is connected.
The centrifugal pump drive unit can adopt motor; Centrifugal pump can adopt centrifugal multistage pump multiple centrifugal pump.
The utility model also comprises the retaining oil fence; The retaining oil fence is installed in the fluid reservoir, and fluid reservoir is separated into fluid reservoir ante-chamber and fluid reservoir back cavity; Full liquid sensor is installed the top that is connected the fluid reservoir back cavity, and respiratory siphon is installed the top that is connected the fluid reservoir ante-chamber.Also comprise strainer; Strainer is connected between normally closed electromagnetic valve of outlet and the centrifugal pump by pipeline.
The utility model also comprises inlet union, outlet union; The inlet union is installed on the inlet of the normally closed electromagnetic valve of inlet, and the outlet union is installed in the centrifugal pump outlet.
The utility model also comprises flow meter; Flow meter is installed between outlet union and the centrifugal pump outlet.
The utility model requires the well head pipeline interface partly to have following structure, and the well head pipeline interface partly comprises sleeve pipe hand sluice valve, the threeway of oil well production pipeline, flow string gate valve, pressure meter, production wellhead, flow string one way valve; The sleeve pipe hand sluice valve is connected production wellhead with flow string gate valve pipeline in parallel; The flow string gate valve is connected with the threeway of oil well production pipeline, flow string one way valve series connection pipeline.The inlet union is connected with the sleeve pipe hand sluice valve, and centrifugal pump outlet union is connected with the production flow line threeway.
The course of work is as follows:
The utility model is transported the described well site of installing, the inlet union is connected with the sleeve pipe hand sluice valve, multistage centrifugal pump discharge union is connected with the production flow line threeway; Open sleeve pipe hand sluice valve and the normally closed electromagnetic valve of inlet, the profit in the oil sets annular space enters in the fluid reservoir by sleeve pipe hand sluice valve and the normally closed electromagnetic valve of inlet under the strata pressure effect; Oil slick is kept off the oil fence retaining at the fluid reservoir ante-chamber, can not enter the fluid reservoir back cavity, thereby has guaranteed the accurate of the interior liquid level of fluid reservoir back cavity; Along with constantly entering of profit, liquid level rises gradually; When liquid level rises to full liquid sensor, start the multistage centrifugal pump work, and open the normally closed electromagnetic valve of outlet simultaneously and close the normally closed electromagnetic valve of inlet, the liquid storage pot liquid is transported to produces in the pipeline through signal of telecommunication control; This moment, the liquid storage tank level began to descend, reduce to when owing the liquid sensor, centrifugal multistage pump multiple centrifugal pump quits work, and close the normally closed electromagnetic valve of outlet simultaneously and open the normally closed electromagnetic valve of inlet, the profit of down-hole begins again to leak in the fluid reservoir, when liquid level begins to rise to full liquid sensor again, through the multistage centrifugal pump work of signal of telecommunication control.So circulation, back and forth.When borehole pressure was reduced to normal pressure, till no longer including liquid and releasing, the pressure release operation promptly ended.
The utility model advantage is: provide a kind of and can utilize well head and underground utilities in the well site, realize fast, safety, the oil-water well pressure release of reduction of discharging and the liquid loop back device of discharge; This system makes the oil water mixture in the oil well, and by closed pipeline and storage tank interior and produce pipeline and be pumped to profit treatment plant, the pressure release operation is finished in disposable continuous operation.Shorten the construction operation time greatly, thus the water injection well closed-in time around having reduced improved water injection rate and oil well output, reduced the energy consumption of plant equipment and to the pollution of environment.
Description of drawings
Fig. 1 is the utility model structural representation;
Among the figure: the normally closed electromagnetic valve of 1 inlet, 2 fluid reservoirs, the normally closed electromagnetic valve of 3 outlets, 4 centrifugal multistage pump multiple centrifugal pumps, 5 electric control driving devices, 6 strainers, 7 flow meters, 8 outlet unions, 9 full liquid sensors, 10 are owed liquid sensor, 11 respiratory siphons, 12 inlet unions, 13 retaining oil fences; Well head pipeline interface part wherein: 14 sleeve pipe hand sluice valves, 15 oil well production pipeline threeways, 16 flow string gate valves, 17 pressure meters, 18 production wellheads, 19 flow string one way valves.
The specific embodiment
Below be an embodiment of the present utility model.
As shown in Figure 1: the utility model comprises the normally closed electromagnetic valve 1 of inlet, fluid reservoir 2, exports normally closed electromagnetic valve 3, centrifugal multistage pump multiple centrifugal pump 4, electric control driving device 5, strainer 6, flow meter 7, outlet union 8, full liquid sensor 9, owes liquid sensor 10, respiratory siphon 11, inlet union 12, retaining oil fence 13; The normally closed electromagnetic valve 1 that enters the mouth is connected with fluid reservoir 2 suction lines, fluid reservoir 2 outlets are connected with normally closed electromagnetic valve 3 pipelines of outlet, export normally closed electromagnetic valve 3 and be connected with centrifugal pump 4 pipelines, strainer 6 is connected between normally closed electromagnetic valve 3 of outlet and the centrifugal pump 4 by pipeline.Inlet union 12 is installed on the inlet of the normally closed electromagnetic valve 1 of inlet, and outlet union 8 is installed in centrifugal multistage pump multiple centrifugal pump 4 outlets; Between outlet union 8 and centrifugal multistage pump multiple centrifugal pump 4 outlets flow meter 7 is installed; Retaining oil fence 13 is installed in the fluid reservoir 2, and fluid reservoir 2 is separated into fluid reservoir ante-chamber and fluid reservoir back cavity; Full liquid sensor 9 is installed the top that is connected fluid reservoir 2 back cavities, and respiratory siphon 11 is installed the top that is connected fluid reservoir 2 ante-chambers; Owe liquid sensor 10 bottom that is connected fluid reservoir 2 is installed, the top of fluid reservoir 2 outlets; Full liquid sensor 9, owe liquid sensor 10 and be connected with electric control driving device 5 signals of telecommunication respectively.The normally closed electromagnetic valve 1 that enters the mouth is connected with electric control driving device 5 signals of telecommunication with the normally closed electromagnetic valve 3 of outlet.The driving shaft of electric control driving device 5 drives with centrifugal multistage pump multiple centrifugal pump 4 and is connected.
Present embodiment well head pipeline interface part comprises sleeve pipe hand sluice valve 14, oil well production pipeline threeway 15, flow string gate valve 16, pressure meter 17, production wellhead 18, flow string one way valve 19; Sleeve pipe hand sluice valve 14 is connected production wellhead 18 with flow string gate valve 16 pipelines in parallel; Flow string gate valve 16 is connected with oil well production pipeline threeway 15, flow string one way valve 19 series connection pipelines; Inlet union 12 is connected with sleeve pipe hand sluice valve 14, and centrifugal pump outlet union 8 is connected with production flow line threeway 15.
The present embodiment oil well course of work is as follows:
The utility model is transported to the well site, the utility model union 12 that enters the mouth is connected with sleeve pipe hand sluice valve 14, multistage centrifugal pump discharge union 8 is connected with production flow line threeway 15; Open sleeve pipe hand sluice valve 14 and the normally closed electromagnetic valve 1 of inlet, the profit in the oil sets annular space enters in the fluid reservoir 2 by sleeve pipe hand sluice valve 14 and the normally closed electromagnetic valve 1 of inlet under the strata pressure effect; Oil slick is kept off oil fence 13 retainings at fluid reservoir 2 ante-chambers, can not enter fluid reservoir 2 back cavities, thereby has guaranteed the accurate of the interior liquid levels of fluid reservoir 2 back cavities; Along with constantly entering of profit, liquid level rises gradually; When liquid level rises to full liquid sensor 9, start centrifugal multistage pump multiple centrifugal pump 4 work, and open the normally closed electromagnetic valve 3 of outlet simultaneously and close the normally closed electromagnetic valve 1 of inlet, liquid in the fluid reservoir 2 are transported to produce in the pipeline through signal of telecommunication control; Liquid level begins to descend in the fluid reservoir 2, reduce to when owing liquid sensor 10, centrifugal multistage pump multiple centrifugal pump 4 quits work, and close the normally closed electromagnetic valve 3 of outlet simultaneously and open the normally closed electromagnetic valve 1 of inlet, the profit of down-hole begins to leak in the fluid reservoir 2 again, liquid level begins again to rise, when liquid level rises to full liquid sensor 9, through centrifugal multistage pump multiple centrifugal pump 4 work of signal of telecommunication control.So circulation, back and forth.When borehole pressure was reduced to normal pressure, till no longer including liquid and releasing, the pressure release operation promptly declared to be finished.
Claims (7)
1. an oil-water well automatic control pressure release discharge opeing and discharging a liquid pumping to the device of producing pipeline is characterized in that: comprise the normally closed electromagnetic valve of inlet, fluid reservoir, the normally closed electromagnetic valve of outlet, centrifugal pump, electric control driving device, full liquid sensor, owe liquid sensor, respiratory siphon; The normally closed electromagnetic valve that enters the mouth is connected with the fluid reservoir suction line, and the fluid reservoir outlet is connected with the normally closed electromagnetic valve pipeline of outlet, exports normally closed electromagnetic valve and is connected with the centrifugal pump pipeline, and full liquid sensor, respiratory siphon are installed the top that is connected fluid reservoir; Owe the liquid sensor bottom that is connected fluid reservoir is installed, the top of fluid reservoir outlet; Full liquid sensor, owe the liquid sensor and be connected with the electric control driving device signal of telecommunication respectively; The normally closed electromagnetic valve that enters the mouth is connected with the electric control driving device signal of telecommunication with the normally closed electromagnetic valve of outlet; The driving shaft of electric control driving device drives with centrifugal multistage pump multiple centrifugal pump and is connected.
2. according to the described oil-water well automatic control of claim 1 pressure release discharge opeing with discharging liquid pumping, it is characterized in that: also comprise the retaining oil fence to the device of producing pipeline; The retaining oil fence is installed in the fluid reservoir, and fluid reservoir is separated into fluid reservoir ante-chamber and fluid reservoir back cavity; Full liquid sensor is installed the top that is connected the fluid reservoir back cavity, and respiratory siphon is installed the top that is connected the fluid reservoir ante-chamber.
3. according to the described oil-water well automatic control of claim 1 pressure release discharge opeing with discharging liquid pumping, it is characterized in that: also comprise strainer to the device of producing pipeline; Strainer is connected between normally closed electromagnetic valve of outlet and the centrifugal pump by pipeline.
4. according to the described oil-water well automatic control of claim 1 pressure release discharge opeing with discharging liquid pumping, it is characterized in that: also comprise inlet union, outlet union to the device of producing pipeline; The inlet union is installed on the inlet of the normally closed electromagnetic valve of inlet, and the outlet union is installed in the centrifugal pump outlet.
5. according to claim 1 or 2 or 3 or 4 described oil-water well automatic control pressure release discharge opeings with discharging a liquid pumping to the device of producing pipeline, it is characterized in that: also comprise well head pipeline interface part, the well head pipeline interface comprises sleeve pipe hand sluice valve, the threeway of oil well production pipeline, flow string gate valve, pressure meter, production wellhead, flow string one way valve; The sleeve pipe hand sluice valve is connected production wellhead with flow string gate valve pipeline in parallel; The flow string gate valve is connected with the threeway of oil well production pipeline, flow string one way valve series connection pipeline; The inlet union is connected with the sleeve pipe hand sluice valve, and centrifugal pump outlet union is connected with the production flow line threeway.
6. according to claim 1 or 2 or 3 or 4 described oil-water well automatic control pressure release discharge opeings with discharging a liquid pumping to the device of producing pipeline, it is characterized in that: centrifugal pump is a centrifugal multistage pump multiple centrifugal pump.
7. according to claim 1 or 4 described oil-water well automatic control pressure release discharge opeings with discharging a liquid pumping, it is characterized in that: also comprise flow meter to the device of producing pipeline; Flow meter is installed between outlet union and the centrifugal pump outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205359639U CN201835785U (en) | 2010-09-20 | 2010-09-20 | Oil-water well device capable of automatically controlling pressure relief and liquid discharge as well as pumping discharged liquid to production pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205359639U CN201835785U (en) | 2010-09-20 | 2010-09-20 | Oil-water well device capable of automatically controlling pressure relief and liquid discharge as well as pumping discharged liquid to production pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN201835785U true CN201835785U (en) | 2011-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205359639U Expired - Fee Related CN201835785U (en) | 2010-09-20 | 2010-09-20 | Oil-water well device capable of automatically controlling pressure relief and liquid discharge as well as pumping discharged liquid to production pipeline |
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| Country | Link |
|---|---|
| CN (1) | CN201835785U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156058A (en) * | 2015-07-29 | 2015-12-16 | 中国石油天然气股份有限公司 | Device and process for preventing backflow of incoming liquid of low-potential well group |
| 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 |
| CN111980595A (en) * | 2019-05-23 | 2020-11-24 | 中国石油天然气股份有限公司 | Production string and production method |
-
2010
- 2010-09-20 CN CN2010205359639U patent/CN201835785U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156058A (en) * | 2015-07-29 | 2015-12-16 | 中国石油天然气股份有限公司 | Device and process for preventing backflow of incoming liquid of low-potential well group |
| 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 |
| CN111980595A (en) * | 2019-05-23 | 2020-11-24 | 中国石油天然气股份有限公司 | Production string and production 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110518 Termination date: 20170920 |