CN2118811U - Treating device for oil field well washing acidifying waste liquid - Google Patents
Treating device for oil field well washing acidifying waste liquid Download PDFInfo
- Publication number
- CN2118811U CN2118811U CN 91224048 CN91224048U CN2118811U CN 2118811 U CN2118811 U CN 2118811U CN 91224048 CN91224048 CN 91224048 CN 91224048 U CN91224048 U CN 91224048U CN 2118811 U CN2118811 U CN 2118811U
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- China
- Prior art keywords
- waste liquid
- oil
- value
- jar
- neutralization reaction
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Abstract
The utility model relates to a treating device for oil field well washing acidifying waste liquid, which is composed of a pH measuring tank, a metering pump, a recovery pump, a microcomputer, a neutralization reaction tank and a medicine dissolving tank. The utility model treats about 15000 tons of acidifying waste liquid and recovers 1200 tons of oil every year, saves equipment and protects the environment simultaneously. The utility model is made into an integral and vehicle-mounted type and realizes automation in the whole process, with the advantages of convenient use, high efficiency and compactness.
Description
The utility model belongs to acidification of oil field liquid waste disposal technique field.
In oil extraction process, for improving the oil production of oil well, discharge a large amount of waste liquids after the pickling regularly to the oil well pickling, waste liquid mainly is salt acid+hydrofluoric acid and additive, the surface water, the mixed liquor of formation water and crude oil.Thisly contain sour oily waste liquor, then main line and postorder equipment are caused heavy corrosion, and influence the oil quality of whole oil filed because of containing acid as squeezing into the oil field main line; Waste liquid had both been wasted oil and water resource as discharging on the spot, had polluted surrounding environment again, though environmental administration does not allow to discharge on the spot, still this waste liquid had been discharged on the spot because of the most of oil fields of treatment technology that discovery is not good at present.
The purpose of this utility model is to provide a kind of oil field flushing acidifying liquid waste treating apparatus, to solve this waste liquid emission problem on the spot.
The utility model is achieved in that this oil field flushing acidifying liquid waste treating apparatus by pH value mensuration jar 1,2, and measuring pump 3, recovery pump 4, microcomputer 5, neutralization reaction jar 6, drug dissolving tank 7 constitute.It is characterized in that neutralization reaction jar and drug dissolving tank in this device are newly-designed.The neutralization reaction jar is made of blender 10, the reactor 11 of housing 8, band dividing plate, and drug dissolving tank is made of housing 12, rabbling mechanism 13, and Ca(OH is housed in the drug dissolving tank)
2Solution 14.At first choose Ca(OH)
2Or CaO makes nertralizer, and its is effective corrective matter both, does not produce waste residue again, do not influence the oil dehydrator electric field in and medicament.It is mixed with concentration is 50kg/m
3-150kgm
3Solution pack into standby in the drug dissolving tank, enter water ph value to measure in the jar after by oil pumper the acidifying waste liquid being sent into the treating apparatus pipeline then, the acidifying waste liquid is carried out pH value measure, pH value is measured the measurement range of jar between 0-10, because the pH value of acidified waste water is very low, minimum can reach 0.6.The 3rd step was that the pH value numerical signal of the former water that will record is sent into microcomputer, and microcomputer will calculate Ca(OH according to giving programming)
2Injected volume, to well and oil well respectively by following two formula throwing amounts:
Ca（OH）
2＝（ (PH)/11.2047 )- 1/0.5471 (g／h）
Ca（OH）
2＝( (PH)/11.2047 ) - 1/1.0542 （g／h）
At this moment the acidified waste water discharge value is generally 1m
3/ h, pH value 0.6-5.5, Ca(OH)
2The throwing amount is 100-1000kg/h.Microcomputer is given measuring pump with instruction after calculating the throwing amount according to above-mentioned formula.Measuring pump is opened after obtaining the microcomputer instruction automatically, extracts Ca(OH from drug dissolving tank)
2Solution is to the neutralization reaction jar, and the measures range of measuring pump is 100-1000kg/h, at this moment enters the acidifying waste liquid and the Ca(OH of neutralization reaction jar)
2Solution carries out neutralization reaction in the neutralization reaction jar, be provided with blender in the neutralization reaction jar, both fully mix in blender earlier, and the reactor that enters the neutralization reaction jar then carries out neutralization reaction, reaction time is 15-30 minute, and at this moment the pH value in the acidified waste water raises.The 6th step was to carry out pH value mensuration with sending into out through the acidifying waste liquid of neutralization reaction in the water ph value mensuration jar, and its measurement range is 0-10.The 7th step was the pH value numerical signal input microcomputer that will measure, and microcomputer is by after giving programming and calculating, to Ca(OH)
2Injected volume is revised, if pH value numerical value does not reach 6, microcomputer will instruct measuring pump to strengthen Ca(OH)
2Injected volume if pH value numerical value surpasses 9, then reduces Ca(OH)
2Injected volume, the pH value that makes the acidifying waste liquid after the processing is between 6-9.Microcomputer is to Ca(OH)
2The correction of injected volume is that control is carried out automatically, and erection rate is very fast, does not influence oil pumper and normally moves.The acidifying waste liquid that will reach 6-9 through pH value after the neutralization reaction reclaims pump lift and satisfies 2MPa, flow 0.1m by carrying out water-oil separating in the drain sump that reclaims the pump incoming trunk at last
3At this moment/mm finishes the processing of acidifying waste liquid, has reclaimed oil simultaneously, makes it to become product, and water can refill underground again, increases subsurface pressure to improve well oil output.
About 15000 tons of this device year processing acidifying waste liquids, 1200 tons of recovered oils are worth 300,000 yuans, very high economic worth is arranged, and, can increase oil production rate this water re-injection oil field, avoided the pollution of a large amount of waste discharges again, thereby protected environment, very high social benefit has been arranged; Waste liquid pH value after treatment reaches 6-9, prevents the corrosion of oil pipeline, and postorder equipment is played a protective role, and when waste liquid was unprocessed, oil field pipe used at most 2 years, can use more than 10 years after the processing, had saved equipment; This device is in order to satisfy the working in dispersion of oil well, and the roving characteristics for the treatment of apparatus manage integrated this device and vehicular during design, and realizes the automation of overall process.Both be user-friendly to like this, and made device efficient, compact again.
Elaborate the utility model with embodiment in conjunction with the accompanying drawings.
Accompanying drawing 1 is the structural representation of device.1, come water ph value to measure jar, 6, the neutralization reaction jar, 2, go out water ph value and measure jar, 7, drug dissolving tank, 3, measuring pump, 4, reclaim pump, 5, microcomputer, 8, housing 9, dividing plate, 10, blender, 11, reactor, 12, housing, 13, rabbling mechanism, 14, Ca(OH)
2Solution.
The following describes embodiment.Choose Ca(OH)
2, it is moved into diameter 1800mm, height is in the drug dissolving tank of 1100mm, adds water and makes 100kg/m with the mixer stirring
3The concentration solution for standby.Be drawn into water PH to measure the acidifying waste liquid by oil pumper and carry out PH mensuration in the jar, pH value is measured a jar diameter 300mm, and high 500mm records pH value and fluctuates between 0.6～5.5, and the pH value measurement range is 0-10; Then the pH value signal input microcomputer that records is calculated, Ca(OH)
2Injected volume is thrown in formula according to oil well and is calculated.Microcomputer is chosen microcomputerization numeral single-loop regulator can satisfy use, and this adjuster shock resistance is strong, digitlization output, and precision is ± 0.1%, resolution is ± 0.1%, adopts EXACT control and PH display system.Microcomputer is given measuring pump with instruction then, and measuring pump is opened automatically, throws in Ca(OH)
2Solution 100kg/m
3Carry out neutralization reaction with the acidifying waste liquid to the neutralization reaction jar, neutralization reaction jar diameter is 1400mm, and high 800mm is provided with the blender of being with dividing plate in jar, and diameter is 70mm, Ca(OH)
2Solution and acidifying waste liquid mix in blender earlier, rise up into then in the neutralization reaction jar reactor and carry out neutralization reaction, reaction time is 20 minutes, the acidifying waste liquid of process neutralization reaction enters out in the water ph value mensuration jar and carries out pH value mensuration, this jar measured jar specifications and models and acted on identical with coming water ph value, recording pH value numerical value is 6.2, and this numerical signal is sent in the digital single-loop regulator, assert after computing and need not revise Ca(OH)
2Injected volume is sent in the drain sump of main line by the acidifying waste liquid after reclaiming pump and will handling then and is carried out water-oil separating.The flow that reclaims pump is 0.1m
3/ mm, lift satisfies 2MPa.
Claims (1)
1, a kind of by pH value mensuration jar 1,2, measuring pump reclaims pump 4, microcomputer 5, the oil field flushing acidifying liquid waste treating apparatus that drug dissolving tank 7 is formed also comprises neutralization reaction jar 6 in it is characterized in that constituting, neutralization reaction jar 6 is with the blender 10 of dividing plate 9 by housing 8, and reactor 11 is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91224048 CN2118811U (en) | 1991-08-27 | 1991-08-27 | Treating device for oil field well washing acidifying waste liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91224048 CN2118811U (en) | 1991-08-27 | 1991-08-27 | Treating device for oil field well washing acidifying waste liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2118811U true CN2118811U (en) | 1992-10-14 |
Family
ID=4930588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91224048 Granted CN2118811U (en) | 1991-08-27 | 1991-08-27 | Treating device for oil field well washing acidifying waste liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2118811U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277081A (en) * | 2013-05-29 | 2013-09-04 | 北京惠博普能源技术有限责任公司 | Treatment process and device for oil-water well fractured and acidified flowback liquid |
| CN104912536A (en) * | 2015-05-08 | 2015-09-16 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Acidification method of recoverable quick-dissolving viscous acid |
| CN104948138A (en) * | 2015-04-28 | 2015-09-30 | 中石化石油工程设计有限公司 | Online detection and treatment method and system for acidizing fluid |
-
1991
- 1991-08-27 CN CN 91224048 patent/CN2118811U/en active Granted
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277081A (en) * | 2013-05-29 | 2013-09-04 | 北京惠博普能源技术有限责任公司 | Treatment process and device for oil-water well fractured and acidified flowback liquid |
| CN103277081B (en) * | 2013-05-29 | 2015-09-30 | 北京惠博普能源技术有限责任公司 | A kind of fracture in oil and water wells, acidifying return discharge opeing treatment process and equipment |
| CN104948138A (en) * | 2015-04-28 | 2015-09-30 | 中石化石油工程设计有限公司 | Online detection and treatment method and system for acidizing fluid |
| CN104948138B (en) * | 2015-04-28 | 2018-02-06 | 中石化石油工程设计有限公司 | The on-line checking and processing method and system of a kind of acidifying solution |
| CN104912536A (en) * | 2015-05-08 | 2015-09-16 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Acidification method of recoverable quick-dissolving viscous acid |
| CN104912536B (en) * | 2015-05-08 | 2017-07-04 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of acidization tool of recyclable instant viscous acid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| 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 |