CN103277081B - A kind of fracture in oil and water wells, acidifying return discharge opeing treatment process and equipment - Google Patents
A kind of fracture in oil and water wells, acidifying return discharge opeing treatment process and equipment Download PDFInfo
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- CN103277081B CN103277081B CN201310206670.4A CN201310206670A CN103277081B CN 103277081 B CN103277081 B CN 103277081B CN 201310206670 A CN201310206670 A CN 201310206670A CN 103277081 B CN103277081 B CN 103277081B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 52
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- 230000018044 dehydration Effects 0.000 claims abstract description 16
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 16
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- 235000019198 oils Nutrition 0.000 claims description 36
- 239000000126 substance Substances 0.000 claims description 28
- 239000003513 alkali Substances 0.000 claims description 19
- 239000000701 coagulant Substances 0.000 claims description 14
- 235000019476 oil-water mixture Nutrition 0.000 claims description 10
- 239000000839 emulsion Substances 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 6
- 238000011010 flushing procedure Methods 0.000 claims description 4
- 238000007872 degassing Methods 0.000 claims description 3
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- 238000011017 operating method Methods 0.000 abstract description 2
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
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- 229920002401 polyacrylamide Polymers 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
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- 239000002699 waste material Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
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- 230000003137 locomotive effect Effects 0.000 description 1
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The present invention proposes a kind of fracture in oil and water wells, discharge opeing treatment process is returned in acidifying, desanding is carried out by discharge opeing will be returned, filter, adjust pH, gas-liquid separation, the operating procedure such as centrifugal, can be returned the degree of discharge opeing process to oil-feed field foul sewer system the initial stage, impact to existing foul sewer system, also the later stage can be returned discharge opeing depickling, desanding, dehydration, meet and enter crude oil exporting system requirements, simultaneously, the invention allows for a kind of fracture in oil and water wells, discharge opeing treatment facility is returned in acidifying, realize above activities, compact equipment, vehicle-mounted movable is equipped, be convenient to strange land resettlement, install.
Description
Technical field
The utility model relates to chemical process and apparatus field, and refer to a kind of fracture in oil and water wells especially, acidifying returns discharge opeing treatment process, the utility model also relates to a kind of fracture in oil and water wells, discharge opeing treatment facility is returned in acidifying.
Background technology
In oilfield exploitation procedure, pressure break, acidifying are conventional oil recovery factor Means To Increase Productions.But after pressure break, acidizing treatment, the pressure break of injection, acidifying solution need to return to flow back to ground, and this class I liquid I is referred to as and returns discharge opeing.Return and be drained through journey and be divided into two stages, the first stage, based on height containing acid, containing solid oily waste water, every mouthful of pressure break/acidifying well waste discharge every day hundreds of is to thousands of side.These sewage generally leave well site periphery nearby in, because waste water has dispersion and discontinuous feature, are difficult to unified focusing on.The liquid that second stage returns row is mainly containing sand and the crude oil Produced Liquid containing acid, this quasi-oil is unsuitable for directly entering crude oil exporting system, all that this part crude oil is directly burned at the scene in the past, just stop burning sending into multi-purpose station pipeline system after system requirements until exploitation crude oil out meets, the processing method of burning, not only waste valuable crude resources, and very large harm is brought to environment.
In order to the new situations that the organic wastes adapting to produce in current oilfield exploitation procedure is administered, return the structure and character of discharge opeing for oil-gas field fracturing acidifying, the treatment process of Environmental capacity on the spot and equipment that energy integrated treatment two stage heterogeneitys return discharge opeing must be researched and developed.At present, the mode comparatively commonly used about the disposal options of these distributing well site waste water is both at home and abroad Scatter Gather, centrally disposes, and just for the simple process of first stage waste water, is reported in media without any treatment technology for second stage is domestic.For these reasons, for the contamination characteristics of oil-gas field development, in units of pollutant emission point, carry out pollutant treatment in situ, set up the important channel that distributed processing system and Environmental capacity pattern are current oil field Environmental capacity.
Utility model content
The purpose of this utility model proposes a kind of fracture in oil and water wells, acidifying to return discharge opeing treatment process, is intended to solve or slow down that process in prior art is returned discharge opeing very complicated, easily polluted, the problem of waste etc.;
Another object of the present utility model is a kind of fracture in oil and water wells of proposition, discharge opeing treatment facility is returned in acidifying, is intended to realize above-mentioned process means, solves or slow down the above-mentioned problem mentioned
The technical solution of the utility model is achieved in that a kind of fracture in oil and water wells, discharge opeing treatment process is returned in acidifying, comprises the following steps:
(1) discharge opeing will be returned and carry out desanding, filtration;
(2) pH adjustment is carried out in the discharge opeing of returning after filtration, to neutral;
(3) discharge opeing will be returned and carry out gas-liquid separation;
(4) discharge opeing of returning after degassed is carried out centrifugal, collect centrifugal after the oil water mixture obtained.
(5): oil water mixture is separated.
Further, between step (3) and step (4), also have following steps:
A, the discharge opeing of returning after gas-liquid separation to be heated up, to 60 DEG C;
B, heated up after carry out degassed.
C, carry out ultrasonic emulsion breaking after degassing;
Discharge opeing of returning after d, ultrasonic emulsion breaking adds flocculant and coagulant.
A kind of fracture in oil and water wells, discharge opeing treatment facility is returned in acidifying, comprise by pipeline connect successively with lower device: hydrocyclone, strainer, pipe-line mixer, gas-liquid separator, profit lift pump, horizontal screw centrifuge, surge tank and profit output pump, also comprise alkali chemicals dosing plant, described alkali chemicals dosing plant is connected on the pipeline between described pipe-line mixer and described gas-liquid separator by pipeline, and described gas-liquid separator is all connected gas liquid knockout by extract duct with the upper end of described degassed surge tank, described gas liquid knockout is connected with torch again, described horizontal screw centrifuge also connects promising its provides the water pot of flushing water.
Further, described gas-liquid separator is also provided with pH automatic detector, described pH automatic detector is connected with described alkali chemicals dosing plant.
Further, between described gas-liquid separator and described profit lift pump, be also connected with electric heater and degassed surge tank by pipeline, the upper end of described degassed surge tank connects described gas liquid knockout by extract duct.
Further, between described profit lift pump and described horizontal screw centrifuge, ultrasonic dehydration machine is also provided with.
Further, described fracture in oil and water wells, acidifying are returned discharge opeing treatment facility and are also comprised flocculant chemicals dosing plant, coagulant drug-adding device on being connected between described ultrasonic dehydration machine and described horizontal screw centrifuge by pipeline pipeline.
Further, after described profit output pump, go back pipeline and be connected with three-phase centrifuge.
Further, described fracture in oil and water wells, acidifying are returned discharge opeing treatment facility and are also comprised and carry out with needing electric installation the diesel generating set be electrically connected.
Further, described fracture in oil and water wells, acidifying are returned discharge opeing treatment facility and are also comprised for instrument provides compressed-air actuated air compressor to prize.
Further, described fracture in oil and water wells, acidifying is returned discharge opeing treatment facility and is also comprised the first trailer and the second trailer, described first trailer is provided with described hydrocyclone, described strainer, described pipe-line mixer, described gas-liquid separator, described electric heater, described degassed surge tank, described profit lift pump, described ultrasonic dehydration machine, described horizontal screw centrifuge, described surge tank, described profit output pump, described water pot, described gas liquid knockout, described torch, described alkali chemicals dosing plant, described polyacrylamide chemicals dosing plant, described polymeric aluminum chemicals dosing plant and described three-phase centrifuge, described second trailer is provided with described diesel generating set and described air compressor sled.
Further, described first trailer is provided with upper and lower layer platform, wherein said horizontal screw centrifuge is located at upper platform, and the dosing pump of described gas-liquid separator, described degassed surge tank, described gas liquid knockout and described alkali chemicals dosing plant, described polyacrylamide chemicals dosing plant and described polymeric aluminum chemicals dosing plant all penetrates upper platform and arranges; Described hydrocyclone, described strainer, described pipe-line mixer, described electric heater, described profit lift pump, described ultrasonic dehydration machine, described surge tank, described profit output pump, described water pot, described torch and described three-phase centrifuge apparatus arrangement are at lower floor's platform.
Further, described second trailer is also provided with Central Control Room and rest room.
The beneficial effects of the utility model are: the utility model proposes a kind of fracture in oil and water wells, discharge opeing treatment process is returned in acidifying, desanding is carried out by discharge opeing will be returned, filter, adjust pH, gas-liquid separation, the operating procedure such as centrifugal, can be returned the degree of discharge opeing process to oil-feed field foul sewer system the initial stage, impact to existing foul sewer system, also the later stage can be returned discharge opeing depickling, desanding, dehydration, meet and enter crude oil exporting system requirements, therefore, not only can solve and returned the mishandling problem of environmental pollution that brings of discharge opeing but also can crude oil be reclaimed, economic benefit and social benefit have both, simultaneously, the utility model also proposed a kind of fracture in oil and water wells, discharge opeing treatment facility is returned in acidifying, realize above activities.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of fracture in oil and water wells of the utility model, discharge opeing treatment process is returned in acidifying and the first trailer plane structure schematic diagram in an embodiment of equipment;
Fig. 2 is a kind of fracture in oil and water wells of utility model, discharge opeing treatment process is returned in acidifying and the second trailer plane structure schematic diagram in an embodiment of equipment;
Fig. 3 is a kind of fracture in oil and water wells of utility model, technical process trend and main device annexation schematic diagram in discharge opeing treatment process and equipment are returned in acidifying.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, Figure 2 and Figure 3, a kind of fracture in oil and water wells, acidifying return discharge opeing treatment process, comprise the following steps:
(1) discharge opeing will be returned and carry out desanding, filtration;
(2) pH adjustment is carried out in the discharge opeing of returning after filtration, to neutral;
(3) discharge opeing will be returned and carry out gas-liquid separation;
(4) discharge opeing of returning after degassed is carried out centrifugal, collect centrifugal after the oil water mixture obtained.
(5): oil water mixture is carried out three phase separation
Further, between step (3) and step (4), also have following steps:
A, the discharge opeing of returning after gas-liquid separation to be heated up, to 60 DEG C;
B, heated up after carry out degassed.
C, carry out ultrasonic emulsion breaking after degassing;
Discharge opeing of returning after d, ultrasonic emulsion breaking adds flocculant and coagulant.
A kind of fracture in oil and water wells, discharge opeing treatment facility is returned in acidifying, comprise by pipeline connect successively with lower device: hydrocyclone 1, strainer 2, pipe-line mixer 3, gas-liquid separator 4, profit lift pump 7, horizontal screw centrifuge 9, surge tank 10 and profit output pump 11, also comprise alkali chemicals dosing plant 15, alkali chemicals dosing plant 15 is connected on the pipeline between pipe-line mixer 3 and gas-liquid separator 4 by pipeline, and the upper end of gas-liquid separator 4 connects gas liquid knockout 13 by extract duct, gas liquid knockout 13 is connected with torch 14 again, horizontal screw centrifuge 9 also connects promising its provides the water pot 12 of flushing water.
Further, gas-liquid separator 4 is also provided with pH automatic detector, pH automatic detector is electrically connected with alkali chemicals dosing plant 15.
Further, between gas-liquid separator 4 and profit lift pump 7, be also connected with electric heater 5 and degassed surge tank 6 by pipeline, the upper end of degassed surge tank 6 connects gas liquid knockout 13 by extract duct.
Further, between profit lift pump 7 and horizontal screw centrifuge 9, ultrasonic dehydration machine 8 is also provided with.
Further, this fracture in oil and water wells, acidifying are returned discharge opeing treatment facility and are also comprised flocculant chemicals dosing plant 16, coagulant drug-adding device 17 on being connected between ultrasonic dehydration machine 8 and horizontal screw centrifuge 9 by pipeline pipeline.
Further, after profit output pump 11, go back pipeline and be connected with three-phase centrifuge 20.
Further, this fracture in oil and water wells, acidifying are returned discharge opeing treatment facility and are also comprised and carry out with needing electric installation the diesel generating set 19 be electrically connected.
Further, this fracture in oil and water wells, acidifying are returned discharge opeing treatment facility and are also comprised for instrument provides compressed-air actuated air compressor to prize 18.
Further, this fracture in oil and water wells, acidifying is returned discharge opeing treatment facility and is also comprised the first trailer and the second trailer, first trailer is provided with hydrocyclone 1, strainer 2, pipe-line mixer 3, gas-liquid separator 4, electric heater 5, degassed surge tank 6, profit lift pump 7, ultrasonic dehydration machine 8, horizontal screw centrifuge 9, surge tank 10, profit output pump 11, water pot 12, gas liquid knockout 13, torch 14, alkali chemicals dosing plant 15, flocculant chemicals dosing plant 16, coagulant drug-adding device 17 and three-phase centrifuge 20, second trailer is provided with diesel generating set 19 and air compressor sled 18.
Further, first trailer is provided with upper and lower layer platform, wherein horizontal screw centrifuge 9 is located at upper platform, and the dosing pump of gas-liquid separator 4, degassed surge tank 6, gas liquid knockout 13 and alkali chemicals dosing plant 15, flocculant chemicals dosing plant 16 and coagulant drug-adding device 17 all penetrates upper platform and arranges; Hydrocyclone 1, strainer 2, pipe-line mixer 3, electric heater 5, profit lift pump 7, ultrasonic dehydration machine 8, surge tank 10, profit output pump 11, water pot 12, torch 14 and three-phase centrifuge 20 are arranged in lower floor's platform.
Further, the second trailer is also provided with Central Control Room 22 and rest room 21.
Now, utility model people is according to a concrete case study on implementation, with regard to this fracture in oil and water wells, cooperation between the concrete operations of discharge opeing treatment process and each device is returned in acidifying and effect makes a detailed description: present case is the fracturing outlet liquid process to oil field, the external Middle East one, return discharge opeing and enter hydrocyclone 1, effect is the sand removing that will return in discharge opeing, the sand returned in discharge opeing is discharged by bottom desander after hydrocyclone 1 processes, then after being filtered by strainer 2, liquid through in pipe-line mixer 3 with alkali lye and after enter gas-liquid separator 4, the effect of gas-liquid separator 4 is the associated gases sloughed in oil well produced liquid, possesses pH value automatic detection function simultaneously, detection signal can be fed back to alkali medicine system 15, the switch of dosing pump is regulated to realize Automatic Dosing, under the effect of gas-liquid separator 4, return discharge opeing slough associated gas wherein, oil water mixture heats up through electric heater 5, effect is that wet crude temperature is risen to 60 DEG C, meet the operation requirements of horizontal screw centrifuge 9, oil water mixture is through electric heater, temperature rises to 60 DEG C by 40 DEG C, again again degassed through degassed surge tank 6, Produced Liquid after degassed sends into ultrasonic dehydration machine 8 and coagulant through profit lift pump 7, flocculant mixes, in the present embodiment, coagulant is polymeric aluminum, flocculant is polyacrylamide, through ultrasonic dehydration machine 8 higher-order of oscillation, mainly utilize hyperacoustic mechanical shock effect and heat effect, reduce the mechanical strength of oil-water interface film and reduce viscosity of crude, realize the effect of breakdown of emulsion, accelerate oil, water, Gu three phase separation, enter horizontal screw centrifuge 9 again and remove solid small particles, mud is arranged outward, remove the oil water mixture after solid and enter surge tank 10, main technological process is delivered to after profit output pump 11 boosts, water pot 12 is responsible for centrifuge and provides flushing water, the gas that gas-liquid separator 4 and degassed surge tank 6 are deviate from is after gas liquid knockout 13 removes lime set, deliver to torch 14 to burn, also can as required, enter surge tank 10 after profit output pump 11 boosts at oil water mixture, send into three-phase centrifuge 20, carry out the meticulous separation of profit, isolated crude oil can reach outer defeated requirement, and isolated water can be arranged outward, regular deslagging.
Adopt the waste water after the said equipment process, crude oil all to meet outer defeated requirement, reduce environment pollution, economic benefit and social benefit have both.
The chemical agent sled that this fracture in oil and water wells, acidifying return the outfit of discharge opeing treatment facility comprises alkali chemicals dosing plant 15, flocculant chemicals dosing plant 16 and coagulant drug-adding device 17, alkali be in order in and Produced Liquid in acid, prevent the corrosion of acid to equipment and system pipeline, flocculant and coagulant are then conducive to the process of horizontal screw centrifuge 9, this equipment is also supporting simultaneously has air compressor to prize 18 for providing system meter compressed air, and diesel generating set 19, the present embodiment comprises diesel fuel tank and diesel-driven generator, for this equipment provides supply of electric power.
Said apparatus is arranged on two locomotives, and namely the first trailer and the second trailer, be vehicle-mounted movable, is convenient to strange land resettlement, is installed on operation on the spot.
Wherein, the first trailer size is: 15m*3m*5.2m, and the second car trailer size is: 15m*3m*5.4m.First trailer and the second trailer also assemble other attaching materials such as required connecting line, valve, instrument.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a discharge opeing treatment process is returned in fracture in oil and water wells, acidifying, it is characterized in that: comprise the following steps:
(1) discharge opeing will be returned and carry out desanding, filtration;
(2) pH adjustment is carried out in the discharge opeing of returning after filtration, to neutral;
(3) discharge opeing will be returned and carry out gas-liquid separation;
(4) discharge opeing of returning after degassed is carried out centrifugal, collect centrifugal after the oil water mixture obtained;
(5) oil water mixture is separated.
2. discharge opeing treatment process is returned in fracture in oil and water wells, acidifying as described in the appended claim 1, it is characterized in that: between step (3) and step (4), also has following steps:
A, the discharge opeing of returning after gas-liquid separation to be heated up, to 60 DEG C;
B, heated up after carry out degassed;
C, carry out ultrasonic emulsion breaking after degassing;
Discharge opeing of returning after d, ultrasonic emulsion breaking adds flocculant and coagulant.
3. discharge opeing treatment facility is returned in a fracture in oil and water wells, acidifying, it is characterized in that, comprise by pipeline connect successively with lower device: hydrocyclone, strainer, pipe-line mixer, gas-liquid separator, profit lift pump, horizontal screw centrifuge, surge tank and profit output pump, also comprise alkali chemicals dosing plant, described alkali chemicals dosing plant is connected on the pipeline between described pipe-line mixer and described gas-liquid separator by pipeline, described gas-liquid separator is also provided with pH automatic detector, and described pH automatic detector is connected with described alkali chemicals dosing plant; Also electric heater and degassed surge tank is connected with by pipeline between described gas-liquid separator and described profit lift pump; Ultrasonic dehydration machine is also provided with between described profit lift pump and described horizontal screw centrifuge; And described gas-liquid separator is all connected gas liquid knockout by extract duct with the upper end of described degassed surge tank, described gas liquid knockout is connected with torch again, and described horizontal screw centrifuge also connects promising its provides the water pot of flushing water.
4. discharge opeing treatment facility is returned in fracture in oil and water wells, acidifying as claimed in claim 3, it is characterized in that: also comprise flocculant chemicals dosing plant, the coagulant drug-adding device on being connected between described ultrasonic dehydration machine and described horizontal screw centrifuge by pipeline pipeline; After described profit output pump, go back pipeline be connected with three-phase centrifuge.
5. discharge opeing treatment facility is returned in fracture in oil and water wells, acidifying as claimed in claim 4, it is characterized in that: also comprise and provide compressed-air actuated air compressor to prize with the diesel generating set needing electric installation to carry out being electrically connected and for instrument.
6. fracture in oil and water wells as claimed in claim 5, discharge opeing treatment facility is returned in acidifying, it is characterized in that: also comprise the first trailer and the second trailer, described first trailer is provided with described hydrocyclone, described strainer, described pipe-line mixer, described gas-liquid separator, described electric heater, described degassed surge tank, described profit lift pump, described ultrasonic dehydration machine, described horizontal screw centrifuge, described surge tank, described profit output pump, described water pot, described gas liquid knockout, described torch, described alkali chemicals dosing plant, described flocculant chemicals dosing plant, described coagulant drug-adding device and described three-phase centrifuge, described second trailer is provided with described diesel generating set and described air compressor sled.
7. discharge opeing treatment facility is returned in fracture in oil and water wells, acidifying as recited in claim 6, it is characterized in that: described first trailer is provided with upper and lower layer platform, wherein said horizontal screw centrifuge is located at upper platform, and the dosing pump of described gas-liquid separator, described degassed surge tank, described gas liquid knockout and described alkali chemicals dosing plant, described flocculant chemicals dosing plant and described coagulant drug-adding device all penetrates upper platform and arranges; Described hydrocyclone, described strainer, described pipe-line mixer, described electric heater, described profit lift pump, described ultrasonic dehydration machine, described surge tank, described profit output pump, described water pot, described torch and described three-phase centrifuge apparatus arrangement are at lower floor's platform.
8. discharge opeing treatment facility is returned in fracture in oil and water wells, acidifying as recited in claim 7, it is characterized in that: described second trailer is also provided with Central Control Room and rest room.
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| CN201310206670.4A CN103277081B (en) | 2013-05-29 | 2013-05-29 | A kind of fracture in oil and water wells, acidifying return discharge opeing treatment process and equipment |
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| CN201310206670.4A CN103277081B (en) | 2013-05-29 | 2013-05-29 | A kind of fracture in oil and water wells, acidifying return discharge opeing treatment process and equipment |
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Address after: 100088, 16 floor, golden Australia International Building, No. 17 Madian East Road, Beijing, Haidian District Patentee after: Beijing Huibopu Energy Technology Co., Ltd. Patentee after: Daqing Huibopu Petroleum Machinery Equipment Manufacturing Co., Ltd. Address before: 100120 Beijing city Xicheng District Street No. 26 Hospital No. 1 Building 6 layer 709 Patentee before: Beijing Huibopu Energy Technology Co., Ltd. Patentee before: Daqing Huibopu Petroleum Machinery Equipment Manufacturing Co., Ltd. |