CN105298415A - Processing technology of well drilling wastes - Google Patents
Processing technology of well drilling wastes Download PDFInfo
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- CN105298415A CN105298415A CN201510658972.4A CN201510658972A CN105298415A CN 105298415 A CN105298415 A CN 105298415A CN 201510658972 A CN201510658972 A CN 201510658972A CN 105298415 A CN105298415 A CN 105298415A
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Abstract
The invention discloses a processing technology of well drilling wastes, which comprises the steps that at the S1 step, one end of a well mouth is connected to an entrance end of a solid control vibration screen, and the other end of the well mouth is connected to a circulating tank; at the step S2, waste drilling chips generated in well drilling operations are processed; at the step S3, waste mud generated in the well drilling operations is processed; at the step S4, waste mud generated after the well drilling operations is processed; and at the step S5, a curing agent is added into a stirring machine, wherein rock chips B, rock chips C, rock chips D and the curing agent are mixed by stirring of the stirring machine, and the stirred mixture is conveyed by a conveying machine I into a brick press and then made into mold bricks. The processing technology of the well drilling wastes disclosed by the invention is beneficial in that the well drilling wastes can be fully circulated and utilized, and the processing technology is economic, environment-friendly and low in operation cost.
Description
Technical field
The technical field, particularly a kind for the treatment of process of drilling wastes of the discarded disposal of cuttings produced in discarded slurry, drillng operation in the discarded slurry produced after the present invention relates to brill completion, drillng operation.
Background technology
In petroleum natural gas exploration drilling process, inevitably produce a large amount of discarded object, form the potential pollution to environment, waste drilling mud is one of primary pollution source in In Oil Field Exploration And Development process, and it is the polynomial gel suspension system of a kind of argillaceous, heavy metal material, various chemical treatments, sewage, contaminated oil and drilling cuttings.At present, domesticly not yet develop suitable drilling fluid waste treating device, land, each oil field drillng operation generally adopts solidification, has bad luck, landfill, burning or concentrate the mode process waste drilling muds such as stacking, weathering, but these processing modes fundamentally do not eliminate oilfield drilling waste pollution on the environment, and permeated the ground by rainwater leaching after long-term stacking, soil to periphery, vegetation, surface water are caused severe contamination, also recycling is not carried out to drilling fluid simultaneously, cause the waste of drilling fluid.Therefore, these processing modes do not promote employing.
Summary of the invention
The object of the invention is to the shortcoming overcoming prior art, provide a kind of simple to operate, fully can recycle drilling wastes, the treatment process of drilling wastes that ecological, environmental protective, running cost are low.
Object of the present invention is achieved through the following technical solutions: a kind for the treatment of process of drilling wastes, it adopts drilling waste treatment device to carry out the process of discarded object, this treating apparatus comprises drilling equipment, landwaste collecting box, dry sieve and by mixer, the brick production line of conveyer I and brickmaking machine composition, described drilling equipment is by the solid controlling vibrosieve connected successively, fixed control centrifugal machine and circulating tank composition, the discharging opening of solid controlling vibrosieve is connected with the arrival end of landwaste collecting box, conveyer II is provided with between dry sieve and landwaste collecting box, drying grate liquid outlet is connected with the arrival end of high speed variable frequency centrifuge, the liquid outlet of high speed variable frequency centrifuge is communicated with circulating tank, it also comprises frequency-conversion high-speed centrifuge, retort, solid-liquid separating equipment and collecting tank, the arrival end of frequency-conversion high-speed centrifuge is connected with circulating tank, the liquid outlet of frequency-conversion high-speed centrifuge is connected with the arrival end of retort, pump is connected with between retort and solid-liquid separating equipment, the liquid outlet of solid-liquid separating equipment is communicated with collecting tank, described dry sieve, high speed variable frequency centrifuge, fixed control centrifugal machine, frequency-conversion high-speed centrifuge is all communicated with the arrival end of mixer with the discharging opening of solid-liquid separating equipment, the treatment process of this drilling wastes comprises the following steps:
S1, the arrival end of one end of well head with solid controlling vibrosieve to be connected, the other end of well head to be connected with circulating tank simultaneously;
S2, the process of the discarded drilling cuttings produced in drillng operation, discarded drilling cuttings is mainly from the discharge landwaste of solid controlling vibrosieve, solid controlling vibrosieve is discharged discarded landwaste and is fallen into collection in landwaste collecting box, discarded landwaste in landwaste collecting box is transported in dry sieve by conveyer II, landwaste A and filtrate A is obtained after the process of drying sieve, wherein landwaste A is discharged in mixer, and filtrate A enters in high speed variable frequency centrifuge and carries out Separation of Solid and Liquid, landwaste E and liquor B is produced after being separated, landwaste E is also discharged in mixer, now in mixer, add curing compound, mixer is by the landwaste A in it, after landwaste E and curing compound are fully uniformly mixed, be transported in brickmaking machine through conveyer I after stirring and manufacture shaped brick, and liquor B returns in circulating tank, recycle, thus finally achieve the process of the discarded drilling cuttings produced in drillng operation,
The process of the discarded slurry produced in S3, drillng operation, the discarded slurry produced in drillng operation directly pumps into frequency-conversion high-speed centrifuge, and landwaste C and filtrate E isolated by frequency-conversion high-speed centrifuge, and landwaste C is discharged in mixer; Filtrate E enters in retort, now, coagulant and disorderly solidifying agent is added in retort, filtrate E takes off after steady and flocculation through chemistry, starts pump, and chemistry takes off in the filtrate E suction solid-liquid separating equipment surely and after flocculation by pump, landwaste D and filtrate F is isolated in solid-liquid separating equipment, landwaste D is discharged in mixer, and filtrate F enters collection in collecting tank, thus achieves the process of the discarded slurry produced in drillng operation;
The process of the discarded slurry produced after S4, brill completion, the discarded slurry produced after boring completion enters in fixed control centrifugal machine and carries out pretreatment, and obtain filtrate D and landwaste B after process, landwaste B is discharged in mixer, and its filtrate D enters in circulating tank; In circulating tank, add coagulant and disorderly solidifying agent is pumped in frequency-conversion high-speed centrifuge again, landwaste C and filtrate E isolated by frequency-conversion high-speed centrifuge, and landwaste C is discharged in mixer; Filtrate E enters in retort, now, coagulant and disorderly solidifying agent is added in retort, filtrate E takes off after steady and flocculation through chemistry, starts pump, and chemistry takes off in the filtrate E suction solid-liquid separating equipment surely and after flocculation by pump, landwaste D and filtrate F is isolated in solid-liquid separating equipment, landwaste D is discharged in mixer, and filtrate F enters collection in collecting tank, thus the process of the discarded slurry produced after achieving brill completion;
S5, in mixer, add curing compound, landwaste B, landwaste C, landwaste D and curing compound are uniformly mixed by mixer, be transported in brickmaking machine manufacture shaped brick after stirring through conveyer I.
The present invention has the following advantages: (1) in drillng operation or bore the discarded drilling cuttings that produces after completion and discarded slurry separated, isolated filtrate enters in circulating tank and collects, and filtrate cycle is used for well site and recycles, prepares the dust-proof and flushing device in mud, road surface.(2) in drillng operation or bore the discarded drilling cuttings that produces after completion and discarded slurry separated; isolated landwaste is drained in mixer; now in mixer, add curing compound; after landwaste A in it, landwaste E and curing compound are fully uniformly mixed by mixer; be transported in brickmaking machine through conveyer I after stirring and manufacture shaped brick; the landwaste made full use of, and by abundant for the filtrate on landwaste filtering, well protect ecological environment.
Accompanying drawing explanation
Fig. 1 is the flow chart of process drilling wastes of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described, and protection scope of the present invention is not limited to the following stated:
As shown in Figure 1, a kind for the treatment of process of drilling wastes, it adopts drilling waste treatment device to carry out the process of discarded object, this treating apparatus comprises drilling equipment, landwaste collecting box, dry sieve and by mixer, the brick production line of conveyer I and brickmaking machine composition, described drilling equipment is by the solid controlling vibrosieve connected successively, fixed control centrifugal machine and circulating tank composition, the discharging opening of solid controlling vibrosieve is connected with the arrival end of landwaste collecting box, conveyer II is provided with between dry sieve and landwaste collecting box, drying grate liquid outlet is connected with the arrival end of high speed variable frequency centrifuge, the liquid outlet of high speed variable frequency centrifuge is communicated with circulating tank, it also comprises frequency-conversion high-speed centrifuge, retort, solid-liquid separating equipment and collecting tank, the arrival end of frequency-conversion high-speed centrifuge is connected with circulating tank, the liquid outlet of frequency-conversion high-speed centrifuge is connected with the arrival end of retort, pump is connected with between retort and solid-liquid separating equipment, the liquid outlet of solid-liquid separating equipment is communicated with collecting tank, described dry sieve, high speed variable frequency centrifuge, fixed control centrifugal machine, frequency-conversion high-speed centrifuge is all communicated with the arrival end of mixer with the discharging opening of solid-liquid separating equipment, the treatment process of this drilling wastes comprises the following steps:
S1, the arrival end of one end of well head with solid controlling vibrosieve to be connected, the other end of well head to be connected with circulating tank simultaneously;
S2, the process of the discarded drilling cuttings produced in drillng operation, discarded drilling cuttings is mainly from the discharge landwaste of solid controlling vibrosieve, solid controlling vibrosieve is discharged discarded landwaste and is fallen into collection in landwaste collecting box, discarded landwaste in landwaste collecting box is transported in dry sieve by conveyer II, landwaste A and filtrate A is obtained after the process of drying sieve, wherein landwaste A is discharged in mixer, and filtrate A enters in high speed variable frequency centrifuge and carries out Separation of Solid and Liquid, landwaste E and liquor B is produced after being separated, landwaste E is also discharged in mixer, now in mixer, add curing compound, mixer is by the landwaste A in it, after landwaste E and curing compound are fully uniformly mixed, be transported in brickmaking machine through conveyer I after stirring and manufacture shaped brick, and liquor B returns in circulating tank, recycle, thus finally achieve the process of the discarded drilling cuttings produced in drillng operation,
The process of the discarded slurry produced in S3, drillng operation, the discarded slurry produced in drillng operation directly pumps into frequency-conversion high-speed centrifuge, and landwaste C and filtrate E isolated by frequency-conversion high-speed centrifuge, and landwaste C is discharged in mixer; Filtrate E enters in retort, now, coagulant and disorderly solidifying agent is added in retort, filtrate E takes off after steady and flocculation through chemistry, starts pump, and chemistry takes off in the filtrate E suction solid-liquid separating equipment surely and after flocculation by pump, landwaste D and filtrate F is isolated in solid-liquid separating equipment, landwaste D is discharged in mixer, and filtrate F enters collection in collecting tank, thus achieves the process of the discarded slurry produced in drillng operation;
The process of the discarded slurry produced after S4, brill completion, the discarded slurry produced after boring completion enters in fixed control centrifugal machine and carries out pretreatment, and obtain filtrate D and landwaste B after process, landwaste B is discharged in mixer, and its filtrate D enters in circulating tank, be pumped in frequency-conversion high-speed centrifuge again add coagulant and disorderly solidifying agent in filtrate D after, landwaste C and filtrate E isolated by frequency-conversion high-speed centrifuge, and landwaste C is discharged in mixer, filtrate E enters in retort, now, coagulant and disorderly solidifying agent is added in retort, filtrate E takes off after steady and flocculation through chemistry, start pump, chemistry takes off in the filtrate E suction solid-liquid separating equipment after steady and flocculation by pump, landwaste D and the filtrate F of moisture content 30-50% is isolated in solid-liquid separating equipment, landwaste D is discharged in mixer, and filtrate F enters collection in collecting tank, flushing device etc. is done in part filtrate F reuse, remainder enters sewage reservoir and focuses on, the rear gained filtrate of process can be used for well site and recycles, preparation mud, dust-proof or the advanced treating qualified discharge in road surface, thus the process of the discarded slurry produced after achieving brill completion, take off surely at chemistry, if mud pH value is higher or lower, mud pH value need be made to control between 6-9 by pH adjusting agent, if mud density and viscosity higher, need gained water after additional clear water, waste water or flocculation treatment to dilute, can stirring property preferably when chemistry takes off steady, medicament is fully reacted.
S5, in mixer, add curing compound, landwaste B, landwaste C, landwaste D and curing compound are uniformly mixed by mixer, be transported in brickmaking machine manufacture shaped brick after stirring through conveyer I.
The above is only the preferred embodiment of the present invention, be to be understood that the present invention is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from the spirit and scope of the present invention, then all should in the protection domain of claims of the present invention.
Claims (1)
1. the treatment process of a drilling wastes, it adopts drilling waste treatment device to carry out the process of discarded object, this treating apparatus comprises drilling equipment, landwaste collecting box, dry sieve and by mixer, the brick production line of conveyer I and brickmaking machine composition, described drilling equipment is by the solid controlling vibrosieve connected successively, fixed control centrifugal machine and circulating tank composition, the discharging opening of solid controlling vibrosieve is connected with the arrival end of landwaste collecting box, conveyer II is provided with between dry sieve and landwaste collecting box, drying grate liquid outlet is connected with the arrival end of high speed variable frequency centrifuge, the liquid outlet of high speed variable frequency centrifuge is communicated with circulating tank, it also comprises frequency-conversion high-speed centrifuge, retort, solid-liquid separating equipment and collecting tank, the arrival end of frequency-conversion high-speed centrifuge is connected with circulating tank, the liquid outlet of frequency-conversion high-speed centrifuge is connected with the arrival end of retort, pump is connected with between retort and solid-liquid separating equipment, the liquid outlet of solid-liquid separating equipment is communicated with collecting tank, described dry sieve, high speed variable frequency centrifuge, fixed control centrifugal machine, frequency-conversion high-speed centrifuge is all communicated with the arrival end of mixer with the discharging opening of solid-liquid separating equipment, it is characterized in that: the treatment process of this drilling wastes comprises the following steps:
S1, the arrival end of one end of well head with solid controlling vibrosieve to be connected, the other end of well head to be connected with circulating tank simultaneously;
S2, the process of the discarded drilling cuttings produced in drillng operation, discarded drilling cuttings is mainly from the discharge landwaste of solid controlling vibrosieve, solid controlling vibrosieve is discharged discarded landwaste and is fallen into collection in landwaste collecting box, discarded landwaste in landwaste collecting box is transported in dry sieve by conveyer II, landwaste A and filtrate A is obtained after the process of drying sieve, wherein landwaste A is discharged in mixer, and filtrate A enters in high speed variable frequency centrifuge and carries out Separation of Solid and Liquid, landwaste E and liquor B is produced after being separated, landwaste E is also discharged in mixer, now in mixer, add curing compound, mixer is by the landwaste A in it, after landwaste E and curing compound are fully uniformly mixed, be transported in brickmaking machine through conveyer I after stirring and manufacture shaped brick, and liquor B returns in circulating tank, recycle, thus finally achieve the process of the discarded drilling cuttings produced in drillng operation,
The process of the discarded slurry produced in S3, drillng operation, the discarded slurry produced in drillng operation directly pumps into frequency-conversion high-speed centrifuge, and landwaste C and filtrate E isolated by frequency-conversion high-speed centrifuge, and landwaste C is discharged in mixer; Filtrate E enters in retort, now, coagulant and disorderly solidifying agent is added in retort, filtrate E takes off after steady and flocculation through chemistry, starts pump, and chemistry takes off in the filtrate E suction solid-liquid separating equipment surely and after flocculation by pump, landwaste D and filtrate F is isolated in solid-liquid separating equipment, landwaste D is discharged in mixer, and filtrate F enters collection in collecting tank, thus achieves the process of the discarded slurry produced in drillng operation;
The process of the discarded slurry produced after S4, brill completion, the discarded slurry produced after boring completion enters in fixed control centrifugal machine and carries out pretreatment, and obtain filtrate D and landwaste B after process, landwaste B is discharged in mixer, and its filtrate D enters in circulating tank; In circulating tank, add coagulant and disorderly solidifying agent is pumped in frequency-conversion high-speed centrifuge again, landwaste C and filtrate E isolated by frequency-conversion high-speed centrifuge, and landwaste C is discharged in mixer; Filtrate E enters in retort, now, coagulant and disorderly solidifying agent is added in retort, filtrate E takes off after steady and flocculation through chemistry, starts pump, and chemistry takes off in the filtrate E suction solid-liquid separating equipment surely and after flocculation by pump, landwaste D and filtrate F is isolated in solid-liquid separating equipment, landwaste D is discharged in mixer, and filtrate F enters collection in collecting tank, thus the process of the discarded slurry produced after achieving brill completion;
S5, in mixer, add curing compound, landwaste B, landwaste C, landwaste D and curing compound are uniformly mixed by mixer, be transported in brickmaking machine manufacture shaped brick after stirring through conveyer I.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105863561A (en) * | 2016-05-03 | 2016-08-17 | 中船重工重庆智能装备工程设计有限公司 | Environment-friendly treatment system capable of realizing harmless treatment of drilling waste |
| CN106082581A (en) * | 2016-08-19 | 2016-11-09 | 天津泛茵德泰石油环保科技发展股份有限公司 | Waste drilling mud minimizing zero-emission reutilization system and method |
| CN106930727A (en) * | 2017-05-05 | 2017-07-07 | 成都大有石油钻采工程有限公司 | A kind of device and method for not landing treatment with brill suitable for drilling well clean manufacturing discarded object |
| CN108455756A (en) * | 2018-03-20 | 2018-08-28 | 克拉玛依市广振石油技术服务有限责任公司 | Drilling fluid reclamation harmless treatment recycles technique |
| CN108531188A (en) * | 2018-04-28 | 2018-09-14 | 中国石油天然气集团有限公司 | A kind of inorganic agent and preparation method thereof of water-base drilling fluid drilling cuttings |
| CN111303890A (en) * | 2020-01-21 | 2020-06-19 | 新疆盛洁环境技术有限责任公司 | Curing agent for solid waste treatment and application thereof |
| CN111980606A (en) * | 2020-08-24 | 2020-11-24 | 大庆市翔泰石油机械设备制造有限公司 | Method for recycling drilling fluid |
| CN112008826A (en) * | 2020-08-31 | 2020-12-01 | 杨明儒 | Drilling solid waste treatment method |
| CN113000565A (en) * | 2021-03-14 | 2021-06-22 | 江汉油田京江实业潜江有限责任公司 | Preparation method of baking-free brick production line for water-based drilling cuttings in oil field drilling |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106930727A (en) * | 2017-05-05 | 2017-07-07 | 成都大有石油钻采工程有限公司 | A kind of device and method for not landing treatment with brill suitable for drilling well clean manufacturing discarded object |
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| CN108531188A (en) * | 2018-04-28 | 2018-09-14 | 中国石油天然气集团有限公司 | A kind of inorganic agent and preparation method thereof of water-base drilling fluid drilling cuttings |
| CN111303890A (en) * | 2020-01-21 | 2020-06-19 | 新疆盛洁环境技术有限责任公司 | Curing agent for solid waste treatment and application thereof |
| CN111980606A (en) * | 2020-08-24 | 2020-11-24 | 大庆市翔泰石油机械设备制造有限公司 | Method for recycling drilling fluid |
| CN112008826A (en) * | 2020-08-31 | 2020-12-01 | 杨明儒 | Drilling solid waste treatment method |
| CN113000565A (en) * | 2021-03-14 | 2021-06-22 | 江汉油田京江实业潜江有限责任公司 | Preparation method of baking-free brick production line for water-based drilling cuttings in oil field drilling |
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