CN105298415B - A kind of handling process of drilling wastes - Google Patents

A kind of handling process of drilling wastes Download PDF

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Publication number
CN105298415B
CN105298415B CN201510658972.4A CN201510658972A CN105298415B CN 105298415 B CN105298415 B CN 105298415B CN 201510658972 A CN201510658972 A CN 201510658972A CN 105298415 B CN105298415 B CN 105298415B
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landwaste
filtrate
mixer
solid
processing
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CN105298415A (en
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郑强
王奇
游云武
阳建平
熊礼方
刘涛
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West Of Chengdu Petroleum Equipment Ltd Co
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West Of Chengdu Petroleum Equipment Ltd Co
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  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses a kind of handling process of drilling wastes, S1, one end of well head is connected with the arrival end of solid controlling vibratory sieve, while the other end of well head is connected with circulating tank;The processing of caused discarded drilling cuttings in S2, drillng operation;The processing of caused discarded slurry in S3, drillng operation;S4, the processing for being drilled caused discarded slurry after well;S5, curing agent is added into mixer, landwaste B, landwaste C, landwaste D and curing agent are stirred by mixer, are transported after stirring through conveyer I and shaped brick is manufactured into brickmaking machine.The beneficial effects of the invention are as follows:Drilling wastes can fully be recycled, ecological, environmental protective, running cost it is low.

Description

A kind of handling process of drilling wastes
Technical field
Produced by being drilled after well in caused discarded slurry, drillng operation in discarded slurry, drillng operation Discarded disposal of cuttings technical field, particularly a kind of handling process of drilling wastes.
Background technology
In petroleum natural gas exploration drilling process, a large amount of discarded objects are inevitably generated, are formed to environment Potential pollution, waste drilling mud are one of primary pollution source during In Oil Field Exploration And Development, and it is a kind of argillaceous, a huge sum of money Belong to the polynomial gel suspension system of material, various chemical treatments, sewage, contaminated oil and drilling cuttings.At present, it is domestic not yet to open Suitable drilling fluid waste treating device is sent, each oil field land drillng operation, which typically uses, to be solidified, has bad luck, filling, burning Or concentrate the modes such as stacking, weathering to handle waste drilling mud, but these processing modes are not inherently eliminated oil Field drilling wastes pollution on the environment, and being permeated the ground after long-term stack by rainwater leaching, by the soil on periphery, Vegetation, surface water cause seriously to pollute, while also do not carry out recycling to drilling fluid, cause the waste of drilling fluid. Therefore, these processing modes do not promote use.
The content of the invention
The shortcomings that it is an object of the invention to overcome prior art, there is provided it is a kind of it is simple to operate, can be to drilling wastes Fully recycled, the handling process for the drilling wastes that ecological, environmental protective, running cost are low.
The purpose of the present invention is achieved through the following technical solutions:A kind of handling process of drilling wastes, it is using brill Well waste treatment apparatus carry out discarded object processing, the processing unit include drilling equipment, landwaste collecting box, dry sieve and The brick production line being made up of mixer, conveyer I and brickmaking machine, described drilling equipment are vibrated by the solid controlling being sequentially connected Sieve, fixed control centrifugal machine and circulating tank composition, the discharging opening of solid controlling vibratory sieve is connected with the arrival end of landwaste collecting box, dry sieve and Conveyer II is provided between landwaste collecting box, drying grate liquid outlet is connected with the arrival end of high speed variable frequency centrifuge, at a high speed The liquid outlet of variable frequency centrifuge connects with circulating tank, and it also includes frequency-conversion high-speed centrifuge, retort, solid-liquid separating equipment and receipts Collect tank, the arrival end of frequency-conversion high-speed centrifuge is connected with circulating tank, the liquid outlet of frequency-conversion high-speed centrifuge and the entrance of retort End connection, is connected with pump, the liquid outlet of solid-liquid separating equipment connects with collecting tank, described between retort and solid-liquid separating equipment Dry sieve, high speed variable frequency centrifuge, fixed control centrifugal machine, the discharging opening of frequency-conversion high-speed centrifuge and solid-liquid separating equipment is with stirring The arrival end connection of machine is mixed, the handling process of the drilling wastes comprises the following steps:
S1, one end of well head is connected with the arrival end of solid controlling vibratory sieve, while the other end of well head and circulating tank are connected Connect;
The processing of caused discarded drilling cuttings in S2, drillng operation, discard discharge of the drilling cuttings essentially from solid controlling vibratory sieve Landwaste, the discarded landwaste of solid controlling vibratory sieve discharge, which is fallen into landwaste collecting box, to be collected, and conveyer II will be discarded in landwaste collecting box Landwaste is transported in dry sieve, and landwaste A and filtrate A are obtained after dry sieve is handled, and wherein landwaste A is discharged into mixer, And filtrate A enters progress separation of solid and liquid in high speed variable frequency centrifuge, produce landwaste E after separation and liquor B, landwaste E are also discharged into Into mixer, curing agent is now added into mixer, the landwaste A in it, landwaste E and curing agent are sufficiently stirred by mixer Transported after mixing, after stirring through conveyer I and shaped brick is manufactured into brickmaking machine, and liquor B is returned in circulating tank, is recycled, So as to finally realize the processing of caused discarded drilling cuttings in drillng operation;
The processing of caused discarded slurry in S3, drillng operation, caused discarded slurry is pumped directly into change in drillng operation Frequency supercentrifuge, frequency-conversion high-speed centrifuge isolate landwaste C and filtrate E, and landwaste C is discharged into mixer;Filtrate E enters In retort, now, coagulant and disorderly solidifying agent being added into retort, filtrate E starts pump after chemistry takes off steady and flocculation, The de- steady filtrate E with after flocculation of chemistry is pumped into solid-liquid separating equipment by pump, and landwaste D and filter are isolated in solid-liquid separating equipment Liquid F, landwaste D are discharged into mixer, and filtrate F enters collection in collecting tank, it is achieved thereby that caused by drillng operation The processing of discarded slurry;
S4, the processing for being drilled caused discarded slurry after well, caused discarded slurry enters fixed control centrifugal machine after being drilled well Inside pre-processed, filtrate D and landwaste B are obtained after processing, landwaste B is discharged into mixer, and its filtrate D enters circulating tank It is interior;Coagulant is added into circulating tank and disorderly solidifying agent is pumped into frequency-conversion high-speed centrifuge again, and frequency-conversion high-speed centrifuge is isolated Landwaste C and filtrate E, landwaste C are discharged into mixer;Filtrate E enters in retort, now, is added into retort de- steady Agent and disorderly solidifying agent, filtrate E start pump after chemistry takes off steady and flocculation, and pump is solid by the filtrate E suction after chemical de- steady and flocculation In liquid separation equipment, landwaste D and filtrate F are isolated in solid-liquid separating equipment, landwaste D is discharged into mixer, and filtrate F Collected in into collecting tank, it is achieved thereby that after being drilled well caused discarded slurry processing;
S5, curing agent is added into mixer, landwaste B, landwaste C, landwaste D and curing agent are stirred, stirred by mixer Transported after mixing through conveyer I and shaped brick is manufactured into brickmaking machine.
The present invention has advantages below:(1)In drillng operation or it is drilled caused discarded drilling cuttings and discarded slurry after well It is separated, the filtrate isolated, which enters in circulating tank, is collected, and filtrate cycle is recycled for well site, prepares mud, road surface is prevented Dirt and flushing device.(2)Caused discarded drilling cuttings and discarded slurry are separated in drillng operation or after being drilled well, isolate Landwaste is drained into mixer, now adds curing agent into mixer, and mixer is by the landwaste A in it, landwaste E and curing agent After being thoroughly mixed, the landwaste that shaped brick is manufactured into brickmaking machine, is made full use of is transported through conveyer I after stirring, and by rock Filtrate on bits fully filters out, and protects ecological environment well.
Brief description of the drawings
Fig. 1 is the flow chart of the processing drilling wastes of the present invention.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings, and protection scope of the present invention is not limited to as described below:
As shown in figure 1, a kind of handling process of drilling wastes, it carries out discarded object using drilling waste treatment device Processing, the processing unit includes drilling equipment, landwaste collecting box, dry sieve and by mixer, conveyer I and brickmaking unit Into brick production line, described drilling equipment is made up of solid controlling vibratory sieve, fixed control centrifugal machine and the circulating tank being sequentially connected, Gu The discharging opening of control vibratory sieve is connected with the arrival end of landwaste collecting box, and conveyer is provided between dry sieve and landwaste collecting box II, drying grate liquid outlet are connected with the arrival end of high speed variable frequency centrifuge, the liquid outlet and circulating tank of high speed variable frequency centrifuge Connection, it also includes frequency-conversion high-speed centrifuge, retort, solid-liquid separating equipment and collecting tank, the entrance of frequency-conversion high-speed centrifuge End is connected with circulating tank, and the liquid outlet of frequency-conversion high-speed centrifuge and the arrival end of retort are connected, and retort is set with separation of solid and liquid Be connected with pump between standby, the liquid outlet of solid-liquid separating equipment connects with collecting tank, described dry sieve, high speed variable frequency centrifuge, The discharging opening of fixed control centrifugal machine, frequency-conversion high-speed centrifuge and solid-liquid separating equipment connects with the arrival end of mixer, the drilling well The handling process of discarded object comprises the following steps:
S1, one end of well head is connected with the arrival end of solid controlling vibratory sieve, while the other end of well head and circulating tank are connected Connect;
The processing of caused discarded drilling cuttings in S2, drillng operation, discard discharge of the drilling cuttings essentially from solid controlling vibratory sieve Landwaste, the discarded landwaste of solid controlling vibratory sieve discharge, which is fallen into landwaste collecting box, to be collected, and conveyer II will be discarded in landwaste collecting box Landwaste is transported in dry sieve, and landwaste A and filtrate A are obtained after dry sieve is handled, and wherein landwaste A is discharged into mixer, And filtrate A enters progress separation of solid and liquid in high speed variable frequency centrifuge, produce landwaste E after separation and liquor B, landwaste E are also discharged into Into mixer, curing agent is now added into mixer, the landwaste A in it, landwaste E and curing agent are sufficiently stirred by mixer Transported after mixing, after stirring through conveyer I and shaped brick is manufactured into brickmaking machine, and liquor B is returned in circulating tank, is recycled, So as to finally realize the processing of caused discarded drilling cuttings in drillng operation;
The processing of caused discarded slurry in S3, drillng operation, caused discarded slurry is pumped directly into change in drillng operation Frequency supercentrifuge, frequency-conversion high-speed centrifuge isolate landwaste C and filtrate E, and landwaste C is discharged into mixer;Filtrate E enters In retort, now, coagulant and disorderly solidifying agent being added into retort, filtrate E starts pump after chemistry takes off steady and flocculation, The de- steady filtrate E with after flocculation of chemistry is pumped into solid-liquid separating equipment by pump, and landwaste D and filter are isolated in solid-liquid separating equipment Liquid F, landwaste D are discharged into mixer, and filtrate F enters collection in collecting tank, it is achieved thereby that caused by drillng operation The processing of discarded slurry;
S4, the processing for being drilled caused discarded slurry after well, caused discarded slurry enters fixed control centrifugal machine after being drilled well Inside pre-processed, filtrate D and landwaste B are obtained after processing, landwaste B is discharged into mixer, and its filtrate D enters circulating tank It is interior;It is pumped into again in frequency-conversion high-speed centrifuge after adding coagulant and disorderly solidifying agent into filtrate D, frequency-conversion high-speed centrifuge is isolated Landwaste C and filtrate E, landwaste C are discharged into mixer;Filtrate E enters in retort, now, is added into retort de- steady Agent and disorderly solidifying agent, filtrate E start pump after chemistry takes off steady and flocculation, and pump is solid by the filtrate E suction after chemical de- steady and flocculation In liquid separation equipment, moisture content 30-50% landwaste D and filtrate F are isolated in solid-liquid separating equipment, landwaste D, which is discharged into, to be stirred Mix in machine, and filtrate F enters collection in collecting tank, flushing device etc. is done in a part of filtrate F reuses, and remainder enters cesspool Focus on, gained filtrate can be used for well site to recycle, prepare mud after processing, road surface is dust-proof or advanced treating row up to standard Put, it is achieved thereby that after being drilled well caused discarded slurry processing;Before chemistry is de- surely, if mud pH value is higher or lower, The control of mud pH value need to be made by pH adjusting agent between 6-9;If mud density and viscosity are higher, need additional clear water, waste water or Gained water is diluted after flocculation treatment, and preferably stirring property can be obtained when chemistry is de- steady, medicament is obtained fully Reaction.
S5, curing agent is added into mixer, landwaste B, landwaste C, landwaste D and curing agent are stirred, stirred by mixer Transported after mixing through conveyer I and shaped brick is manufactured into brickmaking machine.
Described above is only the preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein Form, the exclusion to other embodiment is not to be taken as, and can be used for various other combinations, modification and environment, and can be at this In the text contemplated scope, it is modified by the technology or knowledge of above-mentioned teaching or association area.And those skilled in the art are entered Capable change and change does not depart from the spirit and scope of the present invention, then all should be in the protection domain of appended claims of the present invention It is interior.

Claims (1)

1. a kind of handling process of drilling wastes, it carries out the processing of discarded object using drilling waste treatment device, at this Reason device includes drilling equipment, landwaste collecting box, dry sieve and the brickmaking life being made up of mixer, conveyer I and brickmaking machine Producing line, described drilling equipment are made up of solid controlling vibratory sieve, fixed control centrifugal machine and the circulating tank being sequentially connected, solid controlling vibratory sieve Discharging opening is connected with the arrival end of landwaste collecting box, and conveyer II is provided between dry sieve and landwaste collecting box, drying grate Liquid outlet is connected with the arrival end of high speed variable frequency centrifuge, and the liquid outlet of high speed variable frequency centrifuge is connected with circulating tank, and it is also wrapped Frequency-conversion high-speed centrifuge, retort, solid-liquid separating equipment and collecting tank are included, arrival end and the circulating tank of frequency-conversion high-speed centrifuge connect Connect, the liquid outlet of frequency-conversion high-speed centrifuge and the arrival end of retort connect, and are connected between retort and solid-liquid separating equipment Pump, the liquid outlet of solid-liquid separating equipment connect with collecting tank, described dry sieve, high speed variable frequency centrifuge, fixed control centrifugal machine, change Arrival end of the discharging opening of frequency supercentrifuge and solid-liquid separating equipment with mixer connects, it is characterised in that:The drilling well is given up The handling process of gurry comprises the following steps:
S1, one end of well head is connected with the arrival end of solid controlling vibratory sieve, while the other end of well head is connected with circulating tank;
The processing of caused drilling wastes in S2, drillng operation, discharge of the drilling wastes essentially from solid controlling vibratory sieve Landwaste, the discarded landwaste of solid controlling vibratory sieve discharge, which is fallen into landwaste collecting box, to be collected, and conveyer II will be discarded in landwaste collecting box Landwaste is transported in dry sieve, and landwaste A and filtrate A are obtained after dry sieve is handled, and wherein landwaste A is discharged into mixer, And filtrate A enters progress separation of solid and liquid in high speed variable frequency centrifuge, produce landwaste E after separation and liquor B, landwaste E are also discharged into Into mixer, curing agent is now added into mixer, the landwaste A in it, landwaste E and curing agent are sufficiently stirred by mixer Transported after mixing, after stirring through conveyer I and shaped brick is manufactured into brickmaking machine, and liquor B is returned in circulating tank, is recycled, So as to finally realize the processing of caused drilling wastes in drillng operation;
The processing of caused discarded slurry in S3, drillng operation, caused discarded slurry is pumped directly into frequency conversion height in drillng operation Fast centrifuge, frequency-conversion high-speed centrifuge isolate landwaste C and filtrate E, and landwaste C is discharged into mixer;Filtrate E enters reaction In tank, now, coagulant and disorderly solidifying agent are added into retort, filtrate E is de- surely with after flocculation by chemistry, starts pump, pump will The de- steady filtrate E with after flocculation of chemistry is pumped into solid-liquid separating equipment, and landwaste D and filtrate F are isolated in solid-liquid separating equipment, Landwaste D is discharged into mixer, and filtrate F enters collection in collecting tank, it is achieved thereby that caused discarded in drillng operation The processing of mud;
S4, the processing for being drilled caused discarded slurry after well, caused discarded slurry enters in fixed control centrifugal machine after being drilled well Row pretreatment, obtains filtrate D and landwaste B after processing, landwaste B is discharged into mixer, and its filtrate D enters in circulating tank; Coagulant is added into circulating tank and disorderly solidifying agent is pumped into frequency-conversion high-speed centrifuge again, and frequency-conversion high-speed centrifuge isolates landwaste C and filtrate E, landwaste C are discharged into mixer;Filtrate E enter retort in, now, into retort add coagulant and Disorderly solidifying agent, filtrate E is after chemical de- steady and flocculate, startup pump, and the de- steady filtrate E with after flocculating of chemistry is pumped into solid-liquid point by pump From landwaste D and filtrate F in equipment, is isolated in solid-liquid separating equipment, landwaste D is discharged into mixer, and filtrate F enters Collect in collecting tank, it is achieved thereby that after being drilled well caused discarded slurry processing;
S5, curing agent is added into mixer, landwaste B, landwaste C, landwaste D and curing agent are stirred by mixer, after stirring Transported through conveyer I and shaped brick is manufactured into brickmaking machine.
CN201510658972.4A 2015-10-14 2015-10-14 A kind of handling process of drilling wastes Active CN105298415B (en)

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CN105863561B (en) * 2016-05-03 2018-12-18 中船重工重庆智能装备工程设计有限公司 A kind of achievable brill gives up innoxious environment-friendly disposal system
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
CN108531188B (en) * 2018-04-28 2020-09-04 中国石油天然气集团有限公司 Water-based drilling fluid drill cutting treating agent and preparation method thereof
CN111303890B (en) * 2020-01-21 2022-03-08 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
CN112008826B (en) * 2020-08-31 2021-09-14 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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