CN204171067U - The oil-based drill cuttings of DWCS-OBM type collects separation harmless treatment device online - Google Patents

The oil-based drill cuttings of DWCS-OBM type collects separation harmless treatment device online Download PDF

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Publication number
CN204171067U
CN204171067U CN201420421541.7U CN201420421541U CN204171067U CN 204171067 U CN204171067 U CN 204171067U CN 201420421541 U CN201420421541 U CN 201420421541U CN 204171067 U CN204171067 U CN 204171067U
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oil
mud
collecting
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康勇
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CHENGDU CHINA CAC ENERGY ENGINEERING Co Ltd
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CHENGDU CHINA CAC ENERGY ENGINEERING Co Ltd
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Abstract

The oil-based drill cuttings that the utility model discloses DWCS-OBM type collects separation harmless treatment device online, carry stocking system and mud solid-liquid separation dehydration system to form by sewage collecting treatment system, landwaste, wherein sewage collecting treatment system comprises collecting tank unit, pans unit, dosing unit, reuse water pot unit, the unit for treating water of DWTS type, the unit for treating water of S-MSS type; Landwaste transport process system comprises feeder unit, conveying worm unit, surge tank unit, oil patch drying machine unit, the innoxious device unit of oil patch, oil storage tank unit, load wagon unit; Mud solid-liquid separation dehydration system comprises draws slush collecting pit unit, mud modified tank unit, solid-liquid separator unit, dehydrating agent dosing unit, super sludge dewatering equipment unit, dehydration slurry collecting device; The utility model can avoid secondary pollution, has saved drilling cost, achieves the harmless treatment of mud, has saved mud cost of transportation and processing cost, reduces land seizure.

Description

The oil-based drill cuttings of DWCS-OBM type collects separation harmless treatment device online
Technical field
Utility model relates to trade waste treating apparatus, and the line of the oil-containing solids discarded object particularly produced in oil and gas exploitation is collected, is separated, harmless treatment skid-mounted device.
Background technology
In petroleum gas body recovery process, use oil base drilling fluid (mud) in a large number, in production process, produce the solid waste such as a large amount of discarded slurry and landwaste.
The simple air storage of undressed industrial solid wastes, not only land occupation, destroy view, and poisonous, the harmful components in solid waste are easily propagated by air flowing, part pollutant also can enter soil, river or underground water source through rain drop erosion, the harm of its harmful components will be larger, and industrial solid wastes can become air, water body and Soil Environmental Pollution " source ".
Oil base drilling wastes is danger wastes, and content has the cacodorous noxious material such as a large amount of oil and benzene homologues, phenols, anthracene, pyrene.Its sludge volume is huge, if do not carried out rationally effectively process, can cause severe contamination to environment.Therefore, the give up pollution of solid waste of drilling well is carried out controlling and recycling, has become a difficult problem for puzzlement petroleum and petrochemical industry.
At present, the on-line processing method for the solid waste in oil natural recovery is:
1, oil plant process is sent after the oil slick in solid waste being collected;
2, remaining solid waste is deposited in well site, or adopts the processing method of adding chemical agent to be cured landfill;
3, after oily sludge being carried out pre-concentration process, the factory specified is sent to burn.
There is following problem in said method:
1). only effectively can not reduce the content of the mineral oil in solid waste to floating oil collecting, to environment, regeneration can not be realized to mineral oil simultaneously;
2). the method cost of transportation of burning and processing cost high, and transportation, burning process also can bring secondary pollution by environment;
3). solid-mud-water three phase separation is not carried out at scene, is directly mixed into cesspool;
4). sludge quantity increases---and drilling cuttings and waste mud directly land, and enter wastewater disposal basin, because aquation dispersion causes sludge volume to increase;
5). sewage quantity increases---wastewater disposal basin is collected after rainwater, causes sewage quantity to increase, transport and disposal cost large;
6). sewage disposal difficulty increases---and waste mud and sewage mixing mixing, to wastewater disposal basin, cause sewage disposal difficulty to increase, reuse difficulty, and reuse amount is little;
7). it is large that volume built by wastewater disposal basin, and before boring, investment is large;
8). the mud that lands fails separating and recovering, and waste is large.
9). to well site and around farmland, prairie soil cause very large pollution,
10). along with country is to the increasingly stringent of environmental requirement, will the inexorable trend of contained Mud Treatment Technology development be become because carrying out sewage sludge harmlessness, minimizing and recycling treatment a bit.
Utility model content
In order to overcome above shortcomings part in prior art, the purpose of this utility model is to provide a kind of drilling well solid wastes reduction, innoxious, processing equipment for recycling.Thus fundamentally solve Problems existing in conventional processes, reduce the drilling well of oil weather and exploit the environmental risk of producing.
In order to reach above-mentioned object, the utility model adopts following concrete technical scheme: the oil-based drill cuttings of DWCS-OBM type collects separation harmless treatment device online, stocking system and mud solid-liquid separation dehydration system is carried to form by sewage collecting treatment system, landwaste
Wherein sewage collecting treatment system comprises collecting tank unit, pans unit, dosing unit, reuse water pot unit, the unit for treating water of DWTS type, the unit for treating water of S-MSS type, and dosing unit is made up of dosing agitator tank and measuring pump;
Landwaste transport process system comprises feeder unit, conveying worm unit, surge tank unit, oil patch drying machine unit, the innoxious device unit of oil patch, oil storage tank unit, load wagon unit;
Mud solid-liquid separation dehydration system comprises draws slush collecting pit unit, mud modified tank unit, solid-liquid separator unit, dehydrating agent dosing unit, super sludge dewatering equipment unit, dehydration slurry collecting device;
Above-mentioned each unit is sled blocks design, and is connected by quick-connection pipeline.
The utility model advantage is compared with prior art:
1) the utility model realizes skid-mounted type block structure, and treatment scale is variable, can realize multiple sled block parallel processing amount large;
2) the utility model realizes solid waste and does not land process, avoids secondary pollution;
3) because the utility model is that when collecting online, crucial point is managed, the secondary that can realize useful drilling mud utilizes, and has saved drilling cost;
4) the utility model carries out online recycling to the mineral oil in discarded object, the actual regeneration of resource;
5) by processing online mud, guarantee that the sludge pollution thing index after processing reaches, Q/SYXN0276-2007 " Sichuan Gas Fields drilling wastes innoxious process for treating specification " and landfill yard perform GB18599-2001 " general industrial solid waste storage Environmental capacity standard " requirement, achieve the harmless treatment of mud;
5) mud after harmless process, after the process of two-stage degreasing unit, oil content reaches 0.3%, by super mud processed off-line, mud after process has moisture content to reach 30-50%, reduce further the oxious component in mud, drastically reduce the area the sludge treatment amount in drilling well production simultaneously, save mud cost of transportation and processing cost, reduce land seizure.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Detailed description of the invention
In order to explain the technical solution of the utility model further, below by specific embodiment, the utility model is elaborated.
Embodiment 1:
With reference to shown in Fig. 1, the oil-based drill cuttings of DWCS-OBM type collects separation harmless treatment device online, carries stocking system and mud solid-liquid separation dehydration system to form by sewage collecting treatment system, landwaste,
Wherein sewage collecting treatment system comprises collecting tank unit 10, pans unit 11, dosing unit 12, reuse water pot unit 13, the unit for treating water 14 of DWTS type, the unit for treating water 15 of S-MSS type, and dosing unit 12 is made up of dosing agitator tank and measuring pump;
Landwaste transport process system comprises feeder unit 20, conveying worm unit 21, surge tank unit, oil patch drying machine unit 2, the innoxious device unit 23 of oil patch, oil storage tank unit 24, load wagon unit;
Mud solid-liquid separation dehydration system comprises draws slush collecting tank unit 30, mud modified tank unit 31, solid-liquid separator unit 32, dehydrating agent dosing unit, super sludge dewatering unit 34;
Above-mentioned each unit is sled blocks design, and is connected by quick-connection pipeline.
Operation principle of the present utility model is as follows:
Sewage disposal: the sewage 1 coming from pump house, Fang Jing collection, flow automatically to the sewage oil interceptor of slurries collecting tank unit, pump into the unit for treating water 14 of middle water pot unit 11, DWTS type again, after secondary oil removal, oxidation, coagulation, in-depth filtration, enter drilling team's reuse water pot unit 13 for subsequent use; Sewage after finishing drilling does further advanced treating by the unit for treating water 15 of S-MMS type, can reach discharge standard.
Oil patch process: from landwaste and the silt of shale shaker, hydrocyclone, desilter, centrifuge, the conveyer dryer unit 2 of WDCS-CDE type is sent into by feeder unit 20, conveying worm unit 21, mud oil content is reduced to less than 3%, mud after separation enters the modified tank unit 31 of mud, is pumped into drilling team's reuse water pot unit 13; Isolated landwaste enters the oil base landwaste harmless treatment device unit 23 of DWCS-TCC type, and landwaste oil content is reduced to less than 0.3%, and after process, landwaste delivers to landfill yard landfill by load wagon, and isolated oil enters oil storage tank unit 24, delivers to oil plant.
Waste aluminum recycling: from side struggle against tank, mud circulation tank draw slush, and the mud on ground is returned out in well cementation, collecting slurries collecting tank unit 30 through collecting ditch, being risen to the solid-liquid separator 32 of DWCS-C type by mortar pump, after modified, entering the Dehydrator for Slurry 33 of DWCS-D type; The solid of separating and dehydrating is transported to surge tank unit 25 by conveying worm, the conveyer dryer unit 2 of WDCS-CDE type is entered after entering dosing after modified, mud oil content is reduced to less than 3%, isolated mud, is transported to drilling crew's slurry tank reuse by slush pump; Isolated mud enters the oil base landwaste harmless treatment device unit 23 of DWCS-TCC type again, and landwaste oil content is reduced to 0.3%, and after process, mud delivers to landfill yard landfill by load wagon.Isolated oil enters oil storage tank unit 24, delivers to oil plant.
The water separated enters reuse water pot unit 13, or the unit for treating water 14 pumping into DWTS type processes reuse more further, or the unit for treating water 15 entering S-MMS type does further advanced treating, qualified discharge.The bed mud of water treatment facilities enters DWCS-G super sludge dewatering equipment 34(moisture content less than 50%), deliver to landfill yard landfill by load wagon.
But above-mentioned detailed description of the invention is exemplary, being to better enable those skilled in the art understand this patent, can not being interpreted as it is restriction this patent being comprised to scope; As long as according to this patent disclose any equivalent change done or the modification of spirit, all fall into the scope that this patent comprises.

Claims (2)

  1. The oil-based drill cuttings of 1.DWCS-OBM type collects separation harmless treatment device online, carries stocking system and mud solid-liquid separation dehydration system to form, it is characterized in that by sewage collecting treatment system, landwaste:
    Described sewage collecting treatment system comprises the collecting tank unit, pans unit, dosing unit, reuse water pot unit, the unit for treating water of DWTS type and the unit for treating water of S-MSS type that are mutually connected by quick-connection pipeline;
    Described landwaste conveying stocking system comprises mutually connected by quick-connection pipeline feeder unit, conveying worm unit, surge tank unit, oil patch drying machine unit, the innoxious device unit of oil patch, oil storage tank unit and load wagon unit;
    Described mud solid-liquid separation dehydration system comprise mutually be connected by quick-connection pipeline draw slush collecting pit unit, mud modified tank unit, solid-liquid separator unit, dehydrating agent dosing unit, super sludge dewatering equipment unit and dehydration slurry collecting device.
    2. the oil-based drill cuttings of DWCS-OBM type collects separation harmless treatment device online as claimed in claim 1, it is characterized in that: described dosing unit is made up of dosing agitator tank and measuring pump.
CN201420421541.7U 2014-07-29 2014-07-29 The oil-based drill cuttings of DWCS-OBM type collects separation harmless treatment device online Active CN204171067U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104695881A (en) * 2015-03-31 2015-06-10 中石化胜利石油工程有限公司黄河钻井总公司 Integrated waste drilling mud treatment system capable of treating while drilling

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104695881A (en) * 2015-03-31 2015-06-10 中石化胜利石油工程有限公司黄河钻井总公司 Integrated waste drilling mud treatment system capable of treating while drilling
CN104695881B (en) * 2015-03-31 2017-09-15 中石化胜利石油工程有限公司黄河钻井总公司 Well drilling waste mud is with boring with controlling integrated processing system

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