CN202109210U - Device for utilizing produced liquid of high water cut oil-producing wells to reduce gather and delivery resistance of low water cut oil-producing wells - Google Patents
Device for utilizing produced liquid of high water cut oil-producing wells to reduce gather and delivery resistance of low water cut oil-producing wells Download PDFInfo
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- CN202109210U CN202109210U CN2011201953938U CN201120195393U CN202109210U CN 202109210 U CN202109210 U CN 202109210U CN 2011201953938 U CN2011201953938 U CN 2011201953938U CN 201120195393 U CN201120195393 U CN 201120195393U CN 202109210 U CN202109210 U CN 202109210U
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Abstract
A device for utilizing produced liquid of high water cut oil-producing wells to reduce gather and delivery resistance of low water cut oil-producing wells is applied to gather and delivery of ground pipes of oilfields. An oil, gas and water separator, a heating furnace, centrifugal pumps and a flowmeter are fixed on a skid-mounted seat, an inlet of the oil, gas and water separator is connected with a high water cut oil-producing well liquid-yielding pipeline, a crude oil outlet pipeline of the oil, gas and water separator is connected with the heating furnace, and an outlet of the heating furnace is connected with a crude oil delivery pipeline. A blow-off valve is fixed at the bottom of the oil, gas and water separator. A water outlet on the lower portion of the oil, gas and water separator is connected with a liquid inlet of a filter via a pipeline, a liquid outlet of the filter is parallelly connected with the two centrifugal pumps via pipelines, outlet pipelines of the two centrifugal pumps are connected onto a separating water output pipeline, the separating water output pipeline is connected with the flowmeter, and a pressure gauge is fixed on the separating water output pipeline. The device has the advantage of capability of utilizing water separated from produced liquid of a local high water cut oil-producing well to reduce gather and delivery resistance of a low water cut oil-producing well.
Description
Technical field
The utility model relates to oil recovery technique field, oil field, particularly a kind of device that reduces the defeated resistance of oil well surface duct collection.
Background technique
For many years, in order to reduce Gao Ning, the defeated resistance of heavy crude well surface duct collection, most widely used in the past method is to concentrate tens of mouths even up to a hundred mouthfuls of oil well liquid-producings in multi-purpose station or transfer station; After separating, dewatering; To sewage supercharging, the heating of deviating from, then, the system's water mixing line transportation through special use is to the metering station that needs water mixing companion hot-zone piece; Again after the water mixing valve set of dispense through metering station, the metering; Again through individual well water mixing line transportation to the oil well that needs water mixing, mix with oil well liquid-producing, to reduce the defeated resistance of this type of oil well surface duct collection.This mode is called concentrates separation to supply to mix pattern or the concentrated system of mixing that supplies that separates.This pattern is suitable for the oil field block at scale development initial stage, and companion's heat that a cover concentrates separation to supply the system of mixing often to be responsible for hundreds of mouthfuls of oil wells supplies to mix supporting tens of kilometers watering pipe network.
Yet; Prolongation along with the oil field development time; The part oil well gets into high water-cut development period; The hot watering quantity of companion that needs tails off even the part oil well no longer need be accompanied hot water mixing, and the supporting concentrated separation of initial stage of development supplies to mix the pattern scale and becomes superfluous, shows that mainly former supporting watering pipe network bore is bigger than normal, the pump ability superfluous, the oven load is excessive.Like this, supplied the system of mixing if continue this concentrated separation of operation, the system effectiveness that is bound to is low, energy consumption is high, maintenance cost is big.In addition; When this concentrated separation supplies to mix system's operation, as the water mixing of the hot usefulness of companion, the conveying that long distance moves in circles between oil well and multi-purpose station, separate, dehydration, supercharging, heating; Not only because of temperature, the pressure loss have increased operating cost on the way; And, because of the water mixing hot soak condition, cause that the watering pipe network corrosion and scaling is serious, maintenance cost is high.
The model utility content
The purpose of the utility model is: provide a kind of high-water-cut oil-producing well production fluid that utilizes to reduce the defeated resistance device of low aqueous well collection; Adopt high-water-cut oil-producing well output liquid in the block of oil field; After the oil-water separation simply through the scene; With isolated water, near directly being delivered to after centrifugal pump supercharging, the metering, need the low aqueous well of water mixing on the spot, thereby realize utilizing the high-water-cut oil-producing well production fluid to reduce the purpose of the defeated resistance of low aqueous well collection.
The technological scheme that the utility model adopts is: utilize the high-water-cut oil-producing well production fluid to reduce the defeated resistance device of low aqueous well collection, mainly by oil gas water separator, one-way valve, oven, crude oil export pipeline, filter, centrifugal pump, flowmeter, pressure gauge with separate the water delivery pipe line and form.It is characterized in that: oil gas water separator, oven, centrifugal pump and flowmeter are fixed on the sledge seat; Inlet at oil gas water separator is connected with high-water-cut oil-producing well production fluid pipeline, and the high-water-cut oil-producing well production fluid can get in the oil gas water separator, and in oil gas water separator, isolate crude oil, natural G&W.Crude exports at oil gas water separator are connected with pipeline, on the crude exports pipeline, are connected with an oven, can heat crude oil.Crude exports at oven are connected with the crude oil export pipeline, can the crude oil of separating be sent to gathering line.Gas outlet on oil gas water separator top is connected with natural gas line, and the other end of natural gas line is communicated with the pipeline between oil gas water separator and oven, and on natural gas line, is fixed with an one-way valve.Bottom at oil gas water separator is fixed with blowdown valve.Water out connects the liquid entering hole of filter through pipeline in the oil gas water separator bottom, at the liquid outlet of filter through pipeline and be connected with two centrifugal pumps; The outlet line of two centrifugal pumps is connected one to be separated on the water delivery pipe line, on separation water delivery pipe line, is connected with flowmeter, on separation water delivery pipe line, is fixed with pressure gauge.
On the inlet line of two centrifugal pumps and outlet line, be connected with manually operated valve respectively.On the inlet line of flowmeter and outlet line, be connected with manually operated valve respectively.
Do not influence production when keeping in repair flowmeter, a bypass line is arranged separating the water delivery pipe line, the manually operated valve at bypass line and flowmeter and flowmeter two ends also connects.
Utilize the high-water-cut oil-producing well production fluid to reduce the water that the defeated resistance device of low aqueous well collection is separated, be transported to low aqueous well, can reduce the resistance of gathering line.
The beneficial effect of the utility model: the utility model utilizes the high-water-cut oil-producing well production fluid to reduce the defeated resistance device of low aqueous well collection, can utilize the isolated water of local high-water-cut oil-producing well production fluid, reduces the defeated resistance of low aqueous well collection.Improve gathering system efficient, cut down the consumption of energy.Saved concentrated separation when supplying to mix mode operation, accompanied the hot water mixing conveying that long distance moves in circles between oil well and multi-purpose station, separate, dehydration, supercharging, heating, not only reduced, also reduced operating cost because of temperature, the pressure loss on the way; And, dwindled superfluous water mixing system scale, reduced problems such as the piping corrosion fouling that causes because of water mixing is serious, maintenance cost height.
Description of drawings
Fig. 1 utilizes the high-water-cut oil-producing well production fluid to reduce the defeated resistance device structural representation of low aqueous well collection.
Among the figure, 1-high-water-cut oil-producing well production fluid pipeline, 2-oil gas water separator, 3-safety valve, 4-natural gas line; The 5-one-way valve, 6-oven, 7-crude oil export pipeline, 8-blowdown valve, 9-filter; The 10-centrifugal pump, the 11-flowmeter, the 12-pressure gauge, 13-separates the water delivery pipe line.
Embodiment
Embodiment 1: utilize the high-water-cut oil-producing well production fluid to reduce the defeated resistance device of low aqueous well collection with one and be example, the utility model is done further explain.
Utilize the high-water-cut oil-producing well production fluid to reduce the defeated resistance device of low aqueous well collection, mainly by oil gas water separator 2, one-way valve 5, oven 6, crude oil export pipeline 7, filter 9, centrifugal pump 10, flowmeter 11, pressure gauge 12 with separate water delivery pipe line 13 and form.Oil gas water separator 2, oven 6, centrifugal pump 10 and flowmeter 11 are existing products.
Oil gas water separator 2, oven 6, centrifugal pump 10 and flowmeter 11 are fixed on the sledge seat of a shaped steel welding.The high-water-cut oil-producing well production fluid pipeline 1 that is connected with 1, three mouthful of well of high-water-cut oil-producing well production fluid pipeline of three mouthfuls of wells at the inlet of oil gas water separator 2 converges to the inlet that is connected to oil gas water separator 2 together.The high-water-cut oil-producing well production fluid can get in the oil gas water separator 2.Isolate crude oil, natural G&W at the wet crude of oil gas water separator 2 interior three mouthfuls of wells.
Crude exports at oil gas water separator 2 are connected with a pipeline, on the crude exports pipeline, are connected with an oven 6.Crude exports at oven 6 are connected with crude oil export pipeline 7.Gas outlet at oil gas water separator 2 is connected with natural gas line 4, and the other end of natural gas line 4 is connected on the pipeline between oil gas water separator 2 and the oven 6.On natural gas line 4, be fixed with an one-way valve 5.A blowdown valve 8 is arranged in the bottom of oil gas water separator 2.
Connect a filter 9 at oil gas water separator 2 bottom water outs through pipeline, in the outlet of filter 9 through pipeline and be connected with two centrifugal pumps 10.On the inlet line of two centrifugal pumps 10 and outlet line, be connected with a manually operated valve respectively.The outlet line of two centrifugal pumps 10 is connected one to be separated on the water delivery pipe line 13, on separation water delivery pipe line 13, is fixed with a pressure gauge 12.Two centrifugal pumps 10 are connected with frequency variator, and frequency variator is that centrifugal pump 10 provides power supply.Be connected with a flowmeter 11 separating on the water delivery pipe line 13, on the inlet line of flowmeter 11 and outlet line, be connected with a manually operated valve respectively.At separation water delivery pipe line 13 bypass line is arranged, the manually operated valve at bypass line and flowmeter 11 and flowmeter 11 two ends also connects.
After operation is on probation, three mouthfuls of well liquid measure 304m
3/ d comes 70 ℃ of liquid temps, and is moisture 96%, gets into oil gas water separator 2, the sewage 110m that tells
3/ d, 70 ℃ of temperature are directly via discharge capacity 6m
3/ h water mixing pump pressure-raising is used for the purpose that 10 mouthfuls of oil wells reduce to collect defeated resistance.Oil gas water separator 2 isolated rock gases mix the back entering with isolated crude oil have the defeated main line of collection defeated outward.
The trial run of this system has not only guaranteed the ordinary production of this block gathering system, has also saved the water mixing system pipeline simultaneously and has invested 660,000 yuan, has saved because of the pollution of pipe leak and has compensated about 100,000 yuan, has saved 4.75 * 104m
31.9 ten thousand yuan of the about 90,000 degree of/a water mixing reciprocal transportation electricity charge, about 140,000 sides of water mixing heating gas amount, dehydration medicament expenses.
Claims (3)
1. one kind is utilized the high-water-cut oil-producing well production fluid to reduce the defeated resistance device of low aqueous well collection, mainly by oil gas water separator (2), one-way valve (5), oven (6), crude oil export pipeline (7), filter (9), centrifugal pump (10), flowmeter (11), pressure gauge (12) with separate water delivery pipe line (13) and form; It is characterized in that: oil gas water separator (2), oven (6), centrifugal pump (10) and flowmeter (11) are fixed on the sledge seat; Inlet at oil gas water separator (2) is connected with high-water-cut oil-producing well production fluid pipeline (1); Crude exports at oil gas water separator (2) are connected with pipeline; On the crude exports pipeline, be connected with an oven (6); Crude exports at oven (6) are connected with crude oil export pipeline (7); Gas outlet on oil gas water separator (2) top is connected with natural gas line (4), and the other end of natural gas line (4) is communicated with the pipeline between oil gas water separator (2) and oven (6), and on natural gas line (4), is fixed with an one-way valve (5); Be fixed with blowdown valve (8) in the bottom of oil gas water separator (2); Water out connects the liquid entering hole of filter (9) through pipeline in oil gas water separator (2) bottom, at the liquid outlet of filter (9) through pipeline and be connected with two centrifugal pumps (10); The outlet line of two centrifugal pumps (10) is connected one to be separated on the water delivery pipe line (13), on separation water delivery pipe line (13), is connected with flowmeter (11), on separation water delivery pipe line (13), is fixed with pressure gauge (12).
2. the high-water-cut oil-producing well production fluid that utilizes according to claim 1 reduces the defeated resistance device of low aqueous well collection, it is characterized in that: on the inlet line of two centrifugal pumps (10) and outlet line, be connected with manually operated valve respectively; On the inlet line of flowmeter (11) and outlet line, be connected with manually operated valve respectively.
3. the high-water-cut oil-producing well production fluid that utilizes according to claim 1 reduces the defeated resistance device of low aqueous well collection; It is characterized in that: at separation water delivery pipe line (13) bypass line is arranged, the manually operated valve at bypass line and flowmeter (11) and flowmeter (11) two ends also connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201953938U CN202109210U (en) | 2011-06-10 | 2011-06-10 | Device for utilizing produced liquid of high water cut oil-producing wells to reduce gather and delivery resistance of low water cut oil-producing wells |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201953938U CN202109210U (en) | 2011-06-10 | 2011-06-10 | Device for utilizing produced liquid of high water cut oil-producing wells to reduce gather and delivery resistance of low water cut oil-producing wells |
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| Publication Number | Publication Date |
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| CN202109210U true CN202109210U (en) | 2012-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201953938U Expired - Lifetime CN202109210U (en) | 2011-06-10 | 2011-06-10 | Device for utilizing produced liquid of high water cut oil-producing wells to reduce gather and delivery resistance of low water cut oil-producing wells |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244826A (en) * | 2012-02-08 | 2013-08-14 | 中国石油天然气股份有限公司 | Jet-type crude oil and associated gas pressurizing mixing transportation process and device |
| CN103292157A (en) * | 2013-06-27 | 2013-09-11 | 中国石油化工股份有限公司 | Method for adding drag reducer on site |
| CN107816636A (en) * | 2017-06-21 | 2018-03-20 | 陕西星辰石油科技有限责任公司 | One kind is used for oil-well measurement station supercharging device and boosting method |
| CN108119755A (en) * | 2017-12-20 | 2018-06-05 | 申娟 | A kind of heavy oil pipeline conveying test device based on Internet of Things |
-
2011
- 2011-06-10 CN CN2011201953938U patent/CN202109210U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244826A (en) * | 2012-02-08 | 2013-08-14 | 中国石油天然气股份有限公司 | Jet-type crude oil and associated gas pressurizing mixing transportation process and device |
| CN103292157A (en) * | 2013-06-27 | 2013-09-11 | 中国石油化工股份有限公司 | Method for adding drag reducer on site |
| CN103292157B (en) * | 2013-06-27 | 2016-04-20 | 中国石油化工股份有限公司 | A kind of friction-reducing additive scene adds the method for agent |
| CN107816636A (en) * | 2017-06-21 | 2018-03-20 | 陕西星辰石油科技有限责任公司 | One kind is used for oil-well measurement station supercharging device and boosting method |
| CN107816636B (en) * | 2017-06-21 | 2024-01-30 | 陕西星辰石油科技有限责任公司 | Supercharging device and supercharging method for oil well metering station |
| CN108119755A (en) * | 2017-12-20 | 2018-06-05 | 申娟 | A kind of heavy oil pipeline conveying test device based on Internet of Things |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120111 |
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| CX01 | Expiry of patent term |