CN2720094Y - Well-washing vehicle for oil-field water-injection well - Google Patents
Well-washing vehicle for oil-field water-injection well Download PDFInfo
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- CN2720094Y CN2720094Y CN 200420053171 CN200420053171U CN2720094Y CN 2720094 Y CN2720094 Y CN 2720094Y CN 200420053171 CN200420053171 CN 200420053171 CN 200420053171 U CN200420053171 U CN 200420053171U CN 2720094 Y CN2720094 Y CN 2720094Y
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- oil
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- washing
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Abstract
The utility model provides a well-washing vehicle for an oil-field water-injection well, comprising a vehicle, a polyurethane insulation vehicle body, a reciprocation pump, an engine tail gas radiating tube, a fine filtration tank, a double vortex separator, a horizontal oil-water separator, and an oil-water separator. The utility model is characterized in that the well-washing vehicle for oil-field water-injection well is provided with a low temperature oil removing device; the water inlet of the low temperature oil removing device is communicated with the water outlet of the double vortex separator, and the water outlet of the low temperature oil removing device is communicated with the water inlet of the horizontal oil-water separator. The well-washing vehicle for oil-field water-injection well has been tested by the Daqing oilfield well-washing more than two years, the technical performance reaches to the single-vehicle output well-washing equipment, the vehicle 30 MP reciprocation pump, 40 cubic / h circulation water-washing quantity (comprises micro spray 10m< 3 >/h), the vehicle net weight is less than 10 tons, and the index of the processed circulating water reaches to the oil-containing in water < =5mg/l, suspension < =5mg/l. Compared with the well-washing vehicle at present, the well-washing vehicle for oil-field water-injection well has the advantages of minimum volume and best performance.
Description
Technical field
The utility model relates to a kind of vehicular water injection well in oil fields well-flushing car.
Background technology
A kind of water injection well in oil fields circulation well cleanup car that has been 02237902.9 Patent publish in a patent No., it has horizontal oil water separator, water storing tank and well-flushing pump, is communicated with I and II oil expeller, two walnut shell filters, I and II fine filter between horizontal oil water separator and water storing tank in regular turn; The filler polypropylene GRANULES is arranged in the container of one-level oil expeller, and particle diameter 3-4mm is a filler with 20 order polythene nets in the container of secondary oil expeller, loads thick walnut shell in the container of each walnut shell filter, fixing one deck screen cloth on the sieve tray after making into round; Adopt 3DG23/20.5 type well-flushing pump; Outside the chassis upper container, be with insulation cladding, electric heating piece is housed on the car.The shortcoming of this well-flushing car is, along with the continuation exploitation of oil, can not finish the well-flushing task of poly-oil, oil strain to the half grade of milk well-flushing car of receiving in the oily waste water, makes that receiving half grade of suspension directly sees through the fibrous nodules filtering layer of walnut shell filtering layer and I and II filter.Existing well-flushing car eddy flow mine distributor separates rough back fine sand mud and stops up the filler of oil content coarse filtration, smart filter.Worsened the condition of work of oily filtration.Make the well-flushing car can't normally finish the well-flushing task, do not reach the purpose of water injection well in oil fields well-flushing.In addition, also have some well-flushing cars, but along with going deep into of oilfield exploitation, oil rock water filling resistance and sewage quality more and more worsen, require vehicle-mounted high-pressure pump of well-flushing car and water processing establishment performance to catch up with the development that produce oil is produced, when promptly handling the load raising, reduce mobile unit weight again, implement clean-out service so that can reach the oil well place of any adverse circumstances in oil field.
Summary of the invention:
The purpose of this utility model provides a kind of vehicular water injection well in oil fields well-flushing car, and it can overcome the above-mentioned shortcoming of prior art.
A kind of vehicular water injection well in oil fields well-flushing car has automobile, and diesel fuel tanks, generator are housed under the car; But the polyurethane heat-insulation compartment of installation or removal is housed on the car; Also be equipped with reductor, reciprocating pump, Electric Appliance Cabinet, can dismounting motor exhaust radiating tube, medicinal cupping, measuring pump, smart filter tank, sump oil water tank, water purification baffle-box, double vortex separator, horizontal oil water separator, oil water separator, it is characterized in that having a low temperature oil expeller, its water inlet is communicated with the delivery port of double-current eliminator, and its delivery port is communicated with the water inlet of horizontal oil water separator.
The utility model is through the well-flushing test in 2 years much celebratings oil fields, and its technical performance reaches: 8000 * 2500X * 800 (length * wide * height) bicycle well-flushing is equipped with; The reciprocating type water injecting pump of vehicle-mounted 30MPa, 40 cubic meters/hours of circulation well cleanup water yields (comprise little spray 10m
3/ h); Vehicle-mounted net weight is less than 10 tons; Cycle of treatment water index reaches oil-containing≤5mg/L in the water, suspension≤5mg/L, is volume minimum in the present well-flushing car; The water injection well in oil fields well-flushing car that performance is best.The utility model uses radiating tube to utilize engine exhaust heat to carry out heating in the incubator cleverly, has avoided the problem of common generating heating, confirms by Daqing oil field clean-out service in winter: can normal operation under the open-air subzero 40 ℃ of environment of this well-flushing car.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model.
Accompanying drawing 2 is its plan structure schematic diagram.
Accompanying drawing 3 is its low temperature oil expeller structural representation.
The specific embodiment:
When using the utility model, it is reached the scene, mine water is connected with well-flushing car water treatment import by high-pressure rubber pipe through exploitation tree outlet valve, flushing fluid carries out initial gross separation by silt particle and the part suspension in 13 pairs of flushing fluids of bispin flow liquid solid-liquid separator, separation accuracy reaches 30 μ m, and isolated solid silt particle drains into sump oil water tank 11; Flushing fluid after the preliminary Separation of Solid and Liquid adds the oil content auxiliary agent by medicinal cupping 5 and measuring pump 7, enter low temperature oil expeller 14, sewage can enter low temperature oil expeller 14 through double vortex separator 13, filter cloth 26 by whirl cylinder 21 upper ends is discharged, oil is separated with impurity, oil is discharged by oil drain out 27, and the water that filter cloth 26 leaches is discharged by delivery port 28, and silt is discharged by mud discharging mouth 20.Utilize eddy flow one side breakdown of emulsion of machine-building to form the poly-oil in fluid center on one side, drain in the flushing fluid 90% oil slick to sump oil water tank 11 through the top oil exit pipe, sewage causes horizontal filtration and eddy flow water body to wash away filter screen simultaneously, filter mud (comprising the crystallization wax oil of separating out under the low temperature) enters sump oil water tank 11 from center mud pipe in the net, at this moment, the suspension separation accuracy reaches below the 10 μ m, nets outer sewage and adds auxiliary agent 2 again by medicinal cupping 6 and measuring pump 8 flow into horizontal oil expeller 16 behind pipe-line mixer, sewage baffle-box; The sewage current stabilization that enters horizontal oil expeller 16 is by efficient swash plate group, and oppositely the little oil droplet low coverage behind the breakdown of emulsion is deposited on the swash plate, imports in the oil pooling cylinder, by self-timing control, enters fuel reserve tank 11; Go through above three grades of desilts, divide oil processing, removed most of visible suspension, oil droplet, pass through oil water separator 15 again, twice filtration oil strain flushing fluid of smart filter tank 9 can reach the purpose of water purification well-flushing fully.The filtrate that filters the oil strain use for twice is respectively extraordinary resin and the mixing filtrate with oxidation, regeneration function, and their common feature is that oleophylic clear water index is placed in the middle, is difficult for hardening, and is convenient to backwash; Finish clear water that Pyatyi removes Fender oil to water purification baffle-box 17 by continuation well-flushing under the water injecting pump reinjection well; In the washing well process, regulate the flow pressure head of water injecting pump and sediment outflow amount, the water amount of blowdown 2m of preceding I and II respectively
3/ h～10m
3/ h can cause the little spray phenomenon of well-flushing water inlet less than water outlet, satisfactorily finishes the well-flushing task.
Claims (2)
1 one kinds of vehicular water injection well in oil fields well-flushing cars have automobile (1), and diesel fuel tanks (4), generator (10) are housed under the car; But the polyurethane heat-insulation compartment (12) of installation or removal is housed on the car; Also be equipped with reductor (2), reciprocating pump (3), Electric Appliance Cabinet (18), can dismounting motor exhaust radiating tube (19), medicinal cupping (5), (6), measuring pump (7), (8), smart filter tank (9), sump oil water tank 11, water purification baffle-box (17), double vortex separator (13), horizontal oil water separator (16), oil water separator (15), it is characterized in that having a low temperature oil expeller (14), its water inlet (22) is communicated with the delivery port of double-current eliminator (13), and its delivery port (28) is communicated with the water inlet of horizontal oil water separator (16).
2 well-flushing cars as claimed in claim 1, it is characterized in that described low temperature oil expeller (14) has water inlet (22), delivery port (28), oil drain out (27) is arranged at top, mud discharging mouth (20) is arranged at the bottom, circular or square whirl cylinder (21) are arranged in the urceolus (23), the latter's a side connects water inlet (22), and an end of whirl cylinder (21) is by dress filter cloth (26), and the other end and urceolus (23) are tightly connected; Eddy flow plate (24) is housed in the whirl cylinder (21), has in the eddy flow plate (24) and fall stream pipe (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420053171 CN2720094Y (en) | 2004-08-19 | 2004-08-19 | Well-washing vehicle for oil-field water-injection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420053171 CN2720094Y (en) | 2004-08-19 | 2004-08-19 | Well-washing vehicle for oil-field water-injection well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2720094Y true CN2720094Y (en) | 2005-08-24 |
Family
ID=35009055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420053171 Expired - Fee Related CN2720094Y (en) | 2004-08-19 | 2004-08-19 | Well-washing vehicle for oil-field water-injection well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2720094Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103288288A (en) * | 2013-06-24 | 2013-09-11 | 赵刚 | Moveable well washing water wellhead circulation treatment apparatus |
| CN107100590A (en) * | 2017-06-14 | 2017-08-29 | 大庆市福安石油科技有限公司 | It is a kind of to heat environment-friendly type sump oil, sewage recycling and processing device applied to oil field |
-
2004
- 2004-08-19 CN CN 200420053171 patent/CN2720094Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103288288A (en) * | 2013-06-24 | 2013-09-11 | 赵刚 | Moveable well washing water wellhead circulation treatment apparatus |
| CN107100590A (en) * | 2017-06-14 | 2017-08-29 | 大庆市福安石油科技有限公司 | It is a kind of to heat environment-friendly type sump oil, sewage recycling and processing device applied to oil field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |