CN106995717A - The oil field produced liquid separating apparatus of central treating station and oil-water separation method - Google Patents
The oil field produced liquid separating apparatus of central treating station and oil-water separation method Download PDFInfo
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- CN106995717A CN106995717A CN201710420226.0A CN201710420226A CN106995717A CN 106995717 A CN106995717 A CN 106995717A CN 201710420226 A CN201710420226 A CN 201710420226A CN 106995717 A CN106995717 A CN 106995717A
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- Prior art keywords
- water
- tank
- oil field
- oil
- oily
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G53/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes
- C10G53/02—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only
Abstract
The present invention relates to oily-water seperating equipment technical field, it is a kind of oil field produced liquid separating apparatus of central treating station and oil-water separation method, the device includes separating water pot, once sedimentation water pot, secondary settlement water pot before tank before oily-water seperating equipment, chemicals dosing plant, one-level settling tank, the two of at least one grades of settling tanks, tanks.Reasonable and compact in structure of the present invention, before oil field mining liquid enters one-level settling tank, first oil field mining liquid is sent into before tank in oily-water seperating equipment, large quantity of moisture in oil field mining liquid is first separated, improve settling efficiency, improve tank body utilization rate, effectively reduce later stage consumption of chemical agent, reduce cost, and can effectively reduce thermal energy consumption, save energy, the oil field mining liquid Jing Guo preliminary water-oil separating is in separation process simultaneously, oil emulsion is demulsified, so that the oil emulsion in oil field mining liquid after preliminary water-oil separating, the materials such as oil vacuole are effectively reduced, the burden of aftertreatment systems can effectively be mitigated.
Description
Technical field
It is a kind of oil field produced liquid separating apparatus of central treating station and oil the present invention relates to oily-water seperating equipment technical field
Water separating method.
Background technology
After oil Produced Liquid is produced through oil pumper, through conveyance conduit, collect and be transported to central treating station.Focusing on
Stand, current traditional handicraft process is to handle oil field mining liquid as follows：As shown in Figure 2, the first step, substantial amounts of oil
Field Produced Liquid is introduced into one-level settling tank 3, is settled through long-time, oil water separation process is completed, in this step, in order to accelerate to sink
Reduction of speed degree realizes other functions, it is necessary to be adopted before oil field mining liquid enters one-level settling tank 3 by chemicals dosing plant 2 to oil field
Go out in liquid and add a large amount of chemical agents, in the winter time in order to avoid oil field mining liquid freezes to ensure effect of settling, also tank body is added
Heat；Second step, the fluid obtained by the sedimentation separation of one-level settling tank 3 enters the second-order separation tank 4, and fluid is in the second-order separation tank 4
In again pass through prolonged infall process, while in order to ensure effect of settling, still needing to add substantial amounts of medicament；3rd step,
The fluid obtained by two grades of sedimentation separations of settling tank 4 enters subsequent treatment process.But the biography of oil field mining liquid is handled at present
Unite technique there is a problem in that：1st, due to having large quantity of moisture in oil field mining liquid, one-level settling tank is directly entered, it is necessary to heavy
Drop for a long time, wastes tank body service efficiency；2nd, large quantity of moisture can reduce chemical concentration, if in order to ensure that reaction is filled
Point, it is necessary to excess chemical medicament is added, increases unnecessary cost, and cause chemical residue medicine in the moisture after sedimentation
Agent, is subsequent treatment increase difficulty, there is the hidden danger of pollution environment；3rd, in the winter time in order to avoid Produced Liquid freezes to ensure sedimentation effect
Really, also tank body is heated, but heating process can expend a large amount of heat energy；4th, due in oil recovery process, special process or arrange
Apply to underground and add various medicaments or gas so that containing gases such as nitrogen, carbon dioxide in oil field mining liquid, while with big
Oil emulsion, oil vacuole etc. are measured, sedimentation difficulty is added.
The content of the invention
The invention provides a kind of oil field produced liquid separating apparatus of central treating station and oil-water separation method, overcome above-mentioned
There is sedimentation time length, sedimentation hardly possible in the deficiency of prior art, its traditional handicraft that can effectively solve processing oil field mining liquid at present
The problem of degree is big, tank body utilization rate is low, chemical agent addition is big and consumes energy high.
One of technical scheme is realized by following measures：A kind of central treating station oil field mining liquid point
Separated from before oily-water seperating equipment, chemicals dosing plant, one-level settling tank, the two of at least one grades of settling tanks, tanks before device, including tank
Water pot, once sedimentation water pot, secondary settlement water pot；Oil field mining liquid feed liquor is communicated with before tank on the inlet of oily-water seperating equipment
It is connected before pipe, tank between the discharging opening and the inlet of one-level settling tank of oily-water seperating equipment by pipeline, the profit before tank
Chemicals dosing plant is serially connected with pipeline between separator and one-level settling tank, the discharging opening of one-level settling tank sinks with two grades every
It is connected respectively by pipeline between the inlet for dropping tank, flowline has been respectively communicated with the discharging opening of every two grades of settling tanks,
It is connected before tank between water inlet of the delivery port of oily-water seperating equipment with separating water pot before tank by pipeline, in one-level sedimentation
It is connected between the delivery port of tank and the once water inlet of sedimentation water pot by pipeline, the delivery port difference of every two grades of settling tanks
It is connected between the water inlet of secondary settlement water pot by pipeline.
Here is the further optimization and/or improvements to one of foregoing invention technical scheme：
The above-mentioned delivery port and secondary settlement for also including the delivery port of separation water pot before separation supply mains, tank, once settling water pot
The delivery port of water pot is connected with separating supply mains by pipeline respectively.
Oily-water seperating equipment is cyclonic separator or centrifugal oily-water seperating equipment or centrifugal profit point before above-mentioned tank
From device.
Above-mentioned chemicals dosing plant is measuring pump.
Above-mentioned chemicals dosing plant is chemical feed pipe, the pipeline and chemical feed pipe before tank between oily-water seperating equipment and one-level settling tank
Outlet is connected, and the metering device for being capable of First Astronautic Research Institute for Measurement and Test's addition medicament dose is serially connected with chemical feed pipe.
The two of technical scheme are realized by following measures：One kind is oil field produced using central treating station
Liquid separating apparatus carries out oil field mining liquid oil-water separation method, it is characterised in that carry out in the steps below：The first step, it is oil field produced
Liquid is first delivered to before tank in oily-water seperating equipment by oil field mining liquid feed tube, and oil field mining liquid enters before tank in oily-water seperating equipment
The preliminary water-oil separating of row, isolates the large quantity of moisture in oil field mining liquid, the moisture separated, which is delivered to, separates water pot before tank
In, the oil field mining liquid after separation moisture is delivered to after the dosing of chemicals dosing plant in one-level settling tank；Second step, delivers to one-level
Oil field mining liquid in settling tank carries out one-level sedimentation in one-level settling tank, and the moisture separated after one-level is settled is sent
To one-level sedimentation water pot, the oil field mining liquid separated after one-level is settled continues to deliver in two grades of settling tanks；3rd
Step, delivers to the oil field mining liquid in two grades of settling tanks and two grades of sedimentations is carried out in two grades of settling tanks, separated after two grades settle
Moisture out is delivered in two grades of sedimentation water pots, and subsequent treatment is delivered to by flowline by two grades of fluid separated after settling
Process.
Reasonable and compact in structure of the present invention, it is easy to use, before oil field mining liquid enters one-level settling tank, first oil field is adopted
Go out before liquid feeding tank in oily-water seperating equipment, oil field mining liquid is carried out to preliminary water-oil separating, will be a large amount of in oil field mining liquid
Moisture is first separated, and improves settling efficiency, is improved tank body utilization rate, is effectively reduced later stage consumption of chemical agent, reduce cost,
And thermal energy consumption can be effectively reduced, energy is saved, while the oil field mining liquid by preliminary water-oil separating is in separation process, breast
Carburetion is demulsified so that the material such as the oil emulsion in oil field mining liquid, oil vacuole after preliminary water-oil separating is obtained effectively
Reduce, can effectively mitigate the burden of aftertreatment systems.
Brief description of the drawings
Accompanying drawing 1 is the process structure schematic diagram of preferred embodiment.
Accompanying drawing 2 is the current traditional handicraft process structure schematic diagram for handling oil field mining liquid.
Coding in accompanying drawing is respectively：1 is oily-water seperating equipment before tank, and 2 be chemicals dosing plant, and 3 be one-level settling tank, and 4 are
Two grades of settling tanks, 5 is separate water pot before tank, 6 is once settle water pot, and 7 be secondary settlement water pot, and 8 be oil field mining liquid feed liquor
Pipe, 9 be flowline, and 10 be separation supply mains.
Embodiment
The present invention is not limited by following embodiments, can technique according to the invention scheme and actual conditions it is specific to determine
Embodiment.
In the present invention, for the ease of description, the description of the relative position relation of each part is according to Figure of description 1
Butut mode be described, such as：The position relationship of upper and lower, left and right etc. is that the Butut direction of foundation Figure of description is come
Determine.
With reference to embodiment and accompanying drawing, the invention will be further described：
As shown in Figure 1, the oil field produced liquid separating apparatus of the central treating station includes oily-water seperating equipment 1, chemicals dosing plant before tank
2nd, water pot 5, once sedimentation water pot 6, secondary settlement water pot are separated before one-level settling tank 3, the two of at least one grades of settling tanks 4, tanks
7；The discharging of oily-water seperating equipment 1 before oil field mining liquid feed tube 8, tank is communicated with before tank on the inlet of oily-water seperating equipment 1
Mouthful with being connected between the inlet of one-level settling tank 3 by pipeline, before tank oily-water seperating equipment 1 and one-level settling tank 3 it
Between pipeline on be serially connected with chemicals dosing plant 2, between the discharging opening of one-level settling tank 3 and the inlet of every two grades of settling tanks 4 point
It is not connected by pipeline, flowline 9 has been respectively communicated with the discharging opening of every two grades of settling tanks 4, water-oil separating is filled before tank
Put and be connected by pipeline between the water inlet of 1 delivery port with separating water pot 5 before tank, one-level settling tank 3 delivery port with
Once be connected between the water inlet of sedimentation water pot 6 by pipeline, the delivery port of every two grades of settling tanks 4 respectively with secondary settlement
It is connected between the water inlet of water pot 7 by pipeline.Before oil field mining liquid enters one-level settling tank 3, first by oil field mining liquid
Before feeding tank in oily-water seperating equipment 1, oil field mining liquid is carried out to preliminary water-oil separating, by large quantity of moisture in oil field mining liquid
First separate, shorten the sedimentation time, improve settling efficiency, improve tank body utilization rate, effectively reduce later stage consumption of chemical agent,
Cost is reduced, and can effectively reduce thermal energy consumption, energy is saved, can be by oil field mining liquid more than 80% using the measure
Moisture is discharged in advance, and oil content is less than 500ppm in the water discharged by oily-water seperating equipment before tank；Simultaneously by preliminary oil
The oil field mining liquid of water separation is in separation process, and oil emulsion is demulsified so that oil field produced after preliminary water-oil separating
The materials such as oil emulsion, oil vacuole in liquid are effectively reduced, and can effectively mitigate the burden of aftertreatment systems.
The oil field produced liquid separating apparatus of above-mentioned central treating station further can be optimized or/and be changed according to actual needs
Enter：
As shown in Figure 1, in addition to separation supply mains 10, the delivery port of separation water pot 5 before tank, once settle the water outlet of water pot 6
The delivery port of mouth and secondary settlement water pot 7 is connected with separating supply mains 10 by pipeline respectively.Increase separation supply mains 10, makes
Delivery port, the once delivery port of sedimentation water pot 6 and the delivery port of secondary settlement water pot 7 of water pot 5 are separated before tank respectively with separating
Supply mains 10 is connected by pipeline, water pot 5 can will be separated before tank, once sedimentation water pot 6 and secondary settlement water pot 7 are discharged
Water it is unified deliver to subsequent technique by separating supply mains 10 and handled, optimize technique design saves line equipment and installs input.
According to actual needs, before tank oily-water seperating equipment 1 be cyclonic separator or centrifugal oily-water seperating equipment or from
Core type oil water separator.Cyclonic separator or centrifugal oily-water seperating equipment or centrifugal oil-water separator are existing known
Equipment in technology.Can be preferable using cyclonic separator or centrifugal oily-water seperating equipment or centrifugal oil-water separator
Remove the substantial amounts of water blended in oil field mining liquid.
According to actual needs, chemicals dosing plant 2 is measuring pump.Measuring pump be in existing known technology more common collection metering and
Feed the equipment being integrated, and uses measuring pump while the problem of solving dosing, metering and provide power resources for dosing.
According to actual needs, chemicals dosing plant 2 is chemical feed pipe, the pipe before tank between oily-water seperating equipment 1 and one-level settling tank 3
Line is connected with the outlet of chemical feed pipe, and the metering device for being capable of First Astronautic Research Institute for Measurement and Test's addition medicament dose is serially connected with chemical feed pipe.Using
Chemical feed pipe, equipment is installed more convenient.
This carries out oil field mining liquid oil-water separation method using the oil field produced liquid separating apparatus of central treating station, and its feature exists
In carrying out in the steps below：The first step, oil field mining liquid first delivers to oily-water seperating equipment 1 before tank by oil field mining liquid feed tube 8
In, oil field mining liquid carries out preliminary water-oil separating before tank in oily-water seperating equipment 1, isolate a large amount of in oil field mining liquid
Moisture, the moisture separated is delivered to before tank and separated in water pot 5, and the oil field mining liquid after separation moisture is by chemicals dosing plant 2
Delivered to after dosing in one-level settling tank 3；Second step, delivers to the oil field mining liquid in one-level settling tank 3 and enters in one-level settling tank 3
Row one-level is settled, and the moisture separated after one-level is settled is delivered in one-level sedimentation water pot 6, is separated after one-level is settled
Oil field mining liquid out continues to deliver in two grades of settling tanks 4；3rd step, the oil field mining liquid delivered in two grades of settling tanks 4 exists
Two grades of sedimentations are carried out in two grades of settling tanks 4, are delivered to by two grades of moisture separated after settling in two grades of sedimentation water pots 7, warp
Cross the fluid separated after two grades of sedimentations and subsequent treatment process is delivered to by flowline 9.
Above technical characteristic constitutes embodiments of the invention, and it has stronger adaptability and implementation result, can basis
The non-essential technical characteristic of increase and decrease is actually needed, to meet the demand of different situations.
Claims (8)
1. a kind of oil field produced liquid separating apparatus of central treating station, it is characterised in that including oily-water seperating equipment, dosing dress before tank
Put, one-level settling tank, separation water pot, once sedimentation water pot, secondary settlement water pot before the two of at least one grades of settling tanks, tanks；Tank
The discharging opening and one-level of oily-water seperating equipment before oil field mining liquid feed tube, tank are communicated with the inlet of preceding oily-water seperating equipment
It is connected between the inlet of settling tank by pipeline, is gone here and there on the pipeline before tank between oily-water seperating equipment and one-level settling tank
Chemicals dosing plant is connected to, is connected respectively by pipeline between the discharging opening of one-level settling tank and the inlet of every two grades of settling tanks
It is logical, flowline is respectively communicated with the discharging opening of every two grades of settling tanks, before tank before the delivery port and tank of oily-water seperating equipment
It is connected between the water inlet for separating water pot by pipeline, in the water inlet of the delivery port and once sedimentation water pot of one-level settling tank
Between be connected by pipeline, the delivery port of every two grades of settling tanks passes through pipe between the water inlet of secondary settlement water pot respectively
Line is connected.
2. the oil field produced liquid separating apparatus of central treating station according to claim 1, it is characterised in that also including separation water
The delivery port of the delivery port of separation water pot, the delivery port for once settling water pot and secondary settlement water pot is respectively with dividing before house steward, tank
It is connected from supply mains by pipeline.
3. the oil field produced liquid separating apparatus of central treating station according to claim 1 or 2, it is characterised in that profit point before tank
It is cyclonic separator or centrifugal oily-water seperating equipment or centrifugal oil-water separator from device.
4. the oil field produced liquid separating apparatus of central treating station according to claim 1 or 2, it is characterised in that chemicals dosing plant is
Measuring pump.
5. the oil field produced liquid separating apparatus of central treating station according to claim 3, it is characterised in that chemicals dosing plant is meter
Measure pump.
6. the oil field produced liquid separating apparatus of central treating station according to claim 1 or 2, it is characterised in that chemicals dosing plant is
Pipeline before chemical feed pipe, tank between oily-water seperating equipment and one-level settling tank is connected with the outlet of chemical feed pipe, on chemical feed pipe
It is serially connected with the metering device for being capable of First Astronautic Research Institute for Measurement and Test's addition medicament dose.
7. the oil field produced liquid separating apparatus of central treating station according to claim 3, it is characterised in that chemicals dosing plant is to add
Pipeline before pencil, tank between oily-water seperating equipment and one-level settling tank is connected with the outlet of chemical feed pipe, is gone here and there on chemical feed pipe
It is connected to the metering device for being capable of First Astronautic Research Institute for Measurement and Test's addition medicament dose.
8. a kind of oil field produced liquid separating apparatus of central treating station using according to claim 1 to 7 carries out water-oil separating
Method, it is characterised in that carry out in the steps below：The first step, oil field mining liquid is first delivered to oily before tank by oil field mining liquid feed tube
In water separation device, oil field mining liquid carries out preliminary water-oil separating before tank in oily-water seperating equipment, isolates oil field produced
Large quantity of moisture in liquid, the moisture separated is delivered to before tank and separated in water pot, and the oil field mining liquid after separation moisture is by adding
Delivered to after the dosing of medicine device in one-level settling tank；Second step, the oil field mining liquid delivered in one-level settling tank is settled in one-level
One-level sedimentation is carried out in tank, the moisture separated after one-level is settled is delivered in one-level sedimentation water pot, settled by one-level
The oil field mining liquid separated afterwards continues to deliver in two grades of settling tanks；3rd step, is delivered to oil field produced in two grades of settling tanks
Liquid carries out two grades of sedimentations in two grades of settling tanks, is delivered to by two grades of moisture separated after settling in two grades of sedimentation water pots,
Subsequent treatment process is delivered to by flowline by two grades of fluid separated after settling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710420226.0A CN106995717A (en) | 2017-06-06 | 2017-06-06 | The oil field produced liquid separating apparatus of central treating station and oil-water separation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710420226.0A CN106995717A (en) | 2017-06-06 | 2017-06-06 | The oil field produced liquid separating apparatus of central treating station and oil-water separation method |
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| CN106995717A true CN106995717A (en) | 2017-08-01 |
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| CN201710420226.0A Pending CN106995717A (en) | 2017-06-06 | 2017-06-06 | The oil field produced liquid separating apparatus of central treating station and oil-water separation method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107353932A (en) * | 2017-08-09 | 2017-11-17 | 胜利油田华滨实业有限公司石油机械滨州分公司 | The breaking dehydrating method of oil field mining liquid |
| CN109852416A (en) * | 2018-12-13 | 2019-06-07 | 新疆科力新技术发展股份有限公司 | Oil field central treating station Produced Liquid cryogenic seal interface fast dewatering method and device |
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| CN206902081U (en) * | 2017-06-06 | 2018-01-19 | 克拉玛依市创铭石油科技有限公司 | The oil field produced liquid separating apparatus of central treating station |
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| CN102836574A (en) * | 2011-10-25 | 2012-12-26 | 南通天华和睿科技创业有限公司 | Crude oil dehydration device |
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| WO2016127273A1 (en) * | 2015-02-09 | 2016-08-18 | 华东理工大学 | Method and apparatus for strengthening oil-water separation and coupled desalting functions in cold low pressure separator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107353932A (en) * | 2017-08-09 | 2017-11-17 | 胜利油田华滨实业有限公司石油机械滨州分公司 | The breaking dehydrating method of oil field mining liquid |
| CN107353932B (en) * | 2017-08-09 | 2019-07-23 | 胜利油田华滨实业有限公司石油机械滨州分公司 | The breaking dehydrating method of oil field mining liquid |
| CN109852416A (en) * | 2018-12-13 | 2019-06-07 | 新疆科力新技术发展股份有限公司 | Oil field central treating station Produced Liquid cryogenic seal interface fast dewatering method and device |
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Application publication date: 20170801 |