CN108316873A - Water-based drilling waste harmless treatment device and method and purposes - Google Patents
Water-based drilling waste harmless treatment device and method and purposes Download PDFInfo
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- CN108316873A CN108316873A CN201810101299.8A CN201810101299A CN108316873A CN 108316873 A CN108316873 A CN 108316873A CN 201810101299 A CN201810101299 A CN 201810101299A CN 108316873 A CN108316873 A CN 108316873A
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- 238000005553 drilling Methods 0.000 title claims abstract description 204
- 238000011282 treatment Methods 0.000 title claims abstract description 202
- 239000002699 waste material Substances 0.000 title claims abstract description 139
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 48
- 239000007790 solid phase Substances 0.000 claims abstract description 167
- 239000007791 liquid phase Substances 0.000 claims abstract description 89
- 230000008929 regeneration Effects 0.000 claims abstract description 38
- 238000011069 regeneration method Methods 0.000 claims abstract description 38
- 238000012545 processing Methods 0.000 claims abstract description 35
- 238000004064 recycling Methods 0.000 claims abstract description 23
- 239000004570 mortar (masonry) Substances 0.000 claims description 40
- 239000003795 chemical substances by application Substances 0.000 claims description 32
- 230000008569 process Effects 0.000 claims description 32
- 239000007788 liquid Substances 0.000 claims description 30
- 238000000926 separation method Methods 0.000 claims description 23
- 239000012530 fluid Substances 0.000 claims description 19
- 238000005520 cutting process Methods 0.000 claims description 18
- 239000007787 solid Substances 0.000 claims description 18
- 238000007790 scraping Methods 0.000 claims description 13
- 239000012071 phase Substances 0.000 claims description 10
- 239000004575 stone Substances 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 7
- 239000000654 additive Substances 0.000 claims description 6
- 230000000996 additive effect Effects 0.000 claims description 6
- 239000011449 brick Substances 0.000 claims description 6
- 238000013019 agitation Methods 0.000 claims description 5
- 239000003344 environmental pollutant Substances 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 5
- 231100000719 pollutant Toxicity 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 4
- 230000005518 electrochemistry Effects 0.000 claims description 3
- 238000004148 unit process Methods 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 10
- 239000002689 soil Substances 0.000 abstract description 10
- 239000004566 building material Substances 0.000 abstract description 3
- 238000009412 basement excavation Methods 0.000 abstract description 2
- 238000005119 centrifugation Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 241001074085 Scophthalmus aquosus Species 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 239000003814 drug Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000002105 nanoparticle Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000004035 construction material Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002343 natural gas well Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000012857 radioactive material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010532 solid phase synthesis reaction Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/068—Arrangements for treating drilling fluids outside the borehole using chemical treatment
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Treatment Of Sludge (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention provides a kind of water-based drilling waste harmless treatment device and methods and purposes.The water-based drilling waste harmless treatment device includes not landing collector unit, liquid phase regeneration treatment unit and solid phase harmless treatment unit；Collector unit is not landed to be respectively connected with liquid phase regeneration treatment unit and solid phase harmless treatment unit；Liquid phase regeneration treatment unit is connected with solid phase harmless treatment unit.The water-based drilling waste harmless treatment device and method of the present invention has saved soil and processing cost, saves the expenses such as drilling wastes harmless treatment, landfill pond excavation and antiseepage；The indexs such as base soil, pH, COD of baking-free building block leachate, coloration, petroleum-type are prepared after drilling wastes harmless treatment and have reached environmental requirement, and baking-free building block, base soil reach related building material standard, realizes drilling wastes regeneration and recycling.
Description
Technical field
The invention belongs to oilfield drilling environmental protection technical fields in petrochemical industry, are related to a kind of water-based drilling waste
Harmless treatment device and method and purposes.
Background technology
Water-based drilling waste is one of the main waste that oil-gas exploration and development drillng operation generates, and accounts for drilling wastes
Total amount 99% is divided into polymer drilling fluid, polymer-KCl drilling fluids, sulphonated polymer mud etc. according to the difference of drilling fluid system
Type drilling wastes.Water-based drilling waste is rejected well drilling liquid and drilling cuttings mixture, contains clay, weighting material, various
Chemical treatments, sewage and drilling cuttings etc. have polluting properties, especially the polysulfonate drilling wells such as coloration height, COD high, pH value height discarded
The deep-wells complex drilling waste such as object is always the difficult point of water-based drilling offal treatment.With new《Law on Environmental Protection》Implement with
And the enhancing of common people's environmental consciousness, the disposition that is effectively treated of drilling wastes is that oil and gas enterprise needs solve one important to ask
Topic.
Traditional water-based drilling offal treatment mode is to dig pit to cure landfill and natural evaporation on the spot in well site.Traditional approach
It takes up a large area, each well landwaste pond and wastewater disposal basin take up an area 2~3 mu；Environmental risk is big, cures the mud pit of landfill because of geology calamity
Evil it is possible that cracking, effluent seepage the phenomenon that, cause Soil Surrounding, water pollution；The wasting of resources is larger, and waste mud is not again
It makes profits use, drilling cuttings is also without carrying out recycling.
Currently, drilling well cleanly production is gradually implemented in full does not land processing with brill, main processing mode is that " dosing is broken
The processing mode of the de- steady-press filtration separation of glue ".This technique can be realized does not land processing and simple system drilling waste with brill
Processing, but drilling fluid is also needed to be further processed and could be discharged or re-injection after the de- steady separation of broken glue, not only wastes resource, but also
Increase cost；Without broad spectrum activity, nothing cannot preferably be realized for the deep-wells complex drilling waste such as polysulfonate drilling wastes
Evilization processing.
Invention content
In order to solve the above-mentioned technical problem, the purpose of the present invention is to provide a kind of water-based drilling waste harmless treatments
Device and method and purposes.
The purpose of the present invention is achieved by the following technical programs：
On the one hand, the present invention provides a kind of water-based drilling waste harmless treatment device, the water-based drilling waste without
Evilization processing unit includes not landing collector unit, liquid phase regeneration treatment unit, solid phase harmless treatment unit；
It is described do not land collector unit respectively with the liquid phase regeneration treatment unit and the solid phase harmless treatment unit
It is connected；The liquid phase regeneration treatment unit is connected with the solid phase harmless treatment unit.
In above-mentioned water-based drilling waste harmless treatment device, the brill for not landing collector unit for that will collect
Well waste is tentatively separated by solid-liquid separation, and the liquid phase of separation enters liquid phase regeneration treatment unit, the solid phase of separation enter solid phase without
Evilization processing unit；For the liquid phase entered to be further separated by solid-liquid separation, the solid phase of separation enters admittedly liquid phase regeneration treatment unit
The liquid phase of phase harmless treatment unit, separation is up to standard rear for recycling；What solid phase harmless treatment unit was used to enter
It is recycled after solid phase harmless treatment.
In above-mentioned water-based drilling waste harmless treatment device, it is preferable that the collector unit that do not land includes double
Spiral collects sled and solid phase plunger pump；
The top that the double helix collects sled is provided with the first mortar pump, first mortar pump at the liquid phase regeneration
Reason unit is connected, and first mortar pump is used to upper phase drilling wastes being pumped into the liquid phase regeneration treatment unit
In；
The bottom that the double helix collects sled is provided with double auger and bed mud scraping blade, and the double helix collects sled
End is connected with the solid phase plunger pump；The bed mud scraping blade is for stirring lower layer's solid phase drilling wastes, the double helix
Lower layer's solid phase drilling wastes for being delivered in the solid phase plunger pump by conveyer；The solid phase plunger pump and the solid phase
Harmless treatment unit is connected.
In above-mentioned water-based drilling waste harmless treatment device, double helix collects double helix device in sled and is installed on collection
The bottom of sled.Double helix act as two-way stirring, prevents drilling wastes in the lower part desilting accumulation for collecting sled；Collect sled bottom
The bed mud scraping blade of portion's setting is accumulated for stirring lower layer's solid phase drilling wastes further for drilling wastes desilting is prevented.
In above-mentioned water-based drilling waste harmless treatment device, it is preferable that the solid phase plunger pump is set to described
Double helix is collected in sled.The pump pressure of the solid phase plunger pump is up to 20MPa or more；The material of the rotor of the solid phase plunger pump is
Metal material.Double helix of the present invention, which collects sled and the collocation use of the solid phase plunger pump, can solve low-water-content
(30%-40%) solid-phase material cannot convey and the problems such as rotor abrasion.
In above-mentioned water-based drilling waste harmless treatment device, it is preferable that first mortar pump and the liquid phase
It is provided with flowmeter on the pipeline that regeneration treatment unit is connected.
In above-mentioned water-based drilling waste harmless treatment device, it is preferable that the collector unit that do not land further includes
Spiral receives conveyer, and collecting sled with the double helix is connected, for receiving desanding desilter and drilling crew centrifuge row
The drilling cuttings that goes out simultaneously is delivered to the double helix and collects in sled.
In above-mentioned water-based drilling waste harmless treatment device, it is preferable that the collector unit that do not land further includes
Drilling well solid controlling vibrating screen collects sled with the double helix and is connected, described double for falling into drilling wastes by sliding slot
Spiral is collected in sled.
In above-mentioned water-based drilling waste harmless treatment device, it is preferable that the double helix collects sled positioned at described
Below drilling well solid controlling vibrating screen.The drilling wastes of drilling well solid controlling vibrating screen discharge fall into double helix by sliding slot and collect sled, double
Spiral collects that sled is located at below drilling well solid controlling, volume can reach the side 5-10, can preferably solve situ of drilling well and running pulp occur to overflow
Phenomena such as stream, effectively prevent mud to land.
In above-mentioned water-based drilling waste harmless treatment device, it is preferable that the liquid phase regeneration treatment unit includes
High G vibrating screens, general pump advanced in years；
The solid-phase outlet of the high G vibrating screens is connected with the general pump advanced in years, and the general pump advanced in years is innoxious with the solid phase
Processing unit is connected；It is described not land the liquid phase that collector unit transfers out and be connected with the high G vibrating screens.
In above-mentioned water-based drilling waste harmless treatment device, it is preferable that the liquid phase regeneration treatment unit also wraps
Variable frequency centrifuge is included, the liquid-phase outlet of the high G vibrating screens is connected with the variable frequency centrifuge；The variable frequency centrifuge is consolidated
Mutually outlet is connected with the general pump advanced in years；
In above-mentioned water-based drilling waste harmless treatment device, it is preferable that the liquid phase regeneration treatment unit also wraps
Electrochemical treatments machine is included, the liquid-phase outlet of the variable frequency centrifuge is connected with the electrochemical treatments machine；At the electrochemistry
The solid-phase outlet of reason machine is connected with the general pump advanced in years.
In above-mentioned water-based drilling waste harmless treatment device, it is preferable that the liquid-phase outlet of the high G vibrating screens with
The second mortar pump is provided on the pipeline that the variable frequency centrifuge is connected, second mortar pump is used to vibrate the high G
The liquid phase that the liquid-phase outlet of sieve obtains is pumped into the variable frequency centrifuge.
In above-mentioned water-based drilling waste harmless treatment device, it is preferable that the liquid-phase outlet of the variable frequency centrifuge
Third mortar pump is provided on the pipeline being connected with the electrochemical treatments machine, the third mortar pump is used for the frequency conversion
The liquid phase that the liquid-phase outlet of centrifuge obtains is pumped into the electrochemical treatments machine.
In above-mentioned water-based drilling waste harmless treatment device, it is preferable that the solid phase harmless treatment unit packet
It includes level-one and weighs and puddle screw machine and innocent treatment agent throwing device；
The solid phase that the liquid phase regeneration treatment unit transportation goes out is weighed with the level-one to be puddled screw machine and is connected, it is described not
The solid phase that transfers out of landing collector unit is weighed with the level-one to be puddled screw machine and is connected, and the innocent treatment agent adds dress
It sets to weigh with the level-one and puddles screw machine and be connected.
In above-mentioned water-based drilling waste harmless treatment device, it is preferable that the solid phase harmless treatment unit is also
Screw machine is puddled including two level, and the level-one, which weighs to puddle screw machine and puddle screw machine with the two level, to be connected.
In above-mentioned water-based drilling waste harmless treatment device, it is preferable that the innoxious place of water-based drilling waste
Reason device further includes solid phase recycling unit, and the solid phase recycling unit will be for that will pass through the solid phase harmless treatment unit
Treated, and solid phase is prepared into baking-free building block.
In above-mentioned water-based drilling waste harmless treatment device, it is preferable that the solid phase recycling unit includes matching
Material machine, blender, belt conveyor, full-automatic palletizing machine and full-automatic brick machine.The process for preparing baking-free building block is this field
Routine operation.
On the other hand, the present invention also provides a kind of water-based drilling waste harmless treatment process, use above-mentioned water base
Drilling wastes harmless treatment device comprising following steps：
After not landing collector unit and collecting separation, liquid phase enters liquid phase regeneration treatment list for drilling wastes and drilling cuttings
Member, solid phase enter solid phase harmless treatment unit, obtain innoxious liquid phase after liquid phase regeneration treatment cell processing, are used for back
It receives and utilizes；Solid phase after liquid phase regeneration treatment cell processing enters solid phase harmless treatment unit, harmless treatment unit
In solid phase and innocent treatment agent mixed processing after, obtain the solid phase after harmless treatment cell processing, be used to prepare and pave the way
Foundation stone and/or baking-free building block；
In above-mentioned water-based drilling waste harmless treatment process, it is preferable that include the following steps：
The drilling wastes of drilling well solid controlling vibrating screen discharge fall into double helix by sliding slot and collect sled, drilling crew centrifuge row
The drilling cuttings gone out is received to send to double helix to collect after conveyer receives and be prized by spiral, after caching preliminary be separated by solid-liquid separation, upper layer
Liquid phase drilling wastes (liquid holdup is more than 60%) are pumped by the first mortar pump in high G vibrating screens, are pumped into speed and are passed through flow
Meter is controlled, and lower layer's solid phase drilling wastes (liquid holdup is less than 60%) are delivered to solid phase plunger pump by double auger
In；When the more serious influence mobility of bottom desilting, bed mud scraping blade agitation lower layer solid phase drilling wastes are opened, lower layer is improved
The mobility of solid phase drilling wastes；
Liquid phase of the high G vibrosieves from after enters the buffer tank of lower section, and is pumped into variable frequency centrifuge via the second mortar pump
In continue to detach, solid phase of the high G vibrosieves from after is delivered to level-one and is weighed and puddled in screw machine by general pump advanced in years；Frequency conversion centrifuges
Solid phase after machine separation is delivered to level-one and is weighed by general pump advanced in years to be puddled in screw machine, the liquid phase index after variable frequency centrifuge separation
If failing the performance indicator for reaching water-base drilling fluid reuse, it is pumped into electrochemical treatments machine using third mortar pump and carries out depth
Processing, until obtaining the liquid phase of harmless treatment up to standard, the solid phase of simultaneous electrochemical processor separation is conveyed by general pump advanced in years
It weighs and is puddled in screw machine to level-one；
It weighs to puddle to level-one by innocent treatment agent throwing device and launches innocent treatment agent in screw machine, via one
Grade weighs and puddles screw machine, two level is puddled after screw machine puddled, the solid phase that obtains that treated；
Solid phase that treated carries out pollutant monitoring, is used as foundation stone of paving the way for place mat well site road after qualified；Or, processing
Solid phase afterwards enter solid phase recycling unit be used to prepare it is non-burning brick fast.
In above-mentioned water-based drilling waste harmless treatment process, the electrochemical treatments machine individually applied for patent,
Number of patent application is 201710804281.X, which is the Electrochemical adsorption processing dress in individually applying for a patent
It sets, is incorporated by reference in its entirety.
In above-mentioned water-based drilling waste harmless treatment process, it is preferable that the additive amount of the innocent treatment agent with
It is 1 that the level-one, which weighs and puddles the mass ratio of the solid phase in screw machine,：(0.1-0.15).
In above-mentioned water-based drilling waste harmless treatment process, additive amount between the innocent treatment agent and solid phase
Ratio is the optimal proportion that the long-term creative work of inventor obtains.When device handles solid phase waste, enters puddle each time
Solid phase moisture content in screw machine is different, and the ratio regular meeting of inappropriate innocent treatment agent (cannot meet in the presence of " undercuring "
Environmental requirement) or the case where " excess processes " (increase processing cost), and under the ratio, environmental protection and processing cost can be taken into account
It is required that.Using the optimal proportion combination in the present invention, pollutant is less than standard of soil environment quality in innoxious rear solid phase, leaches
Liquid is：PH 6-9, coloration≤50, COD≤100mg/L, petroleum-type≤5mg/L, can reach GB8978-1996《National sewage
Comprehensive discharge standard》First discharge standard can be used as construction material or be used directly to place mat well site.
In above-mentioned water-based drilling waste harmless treatment process, the innocent treatment agent is independent research medicament, is adopted
With water solution polymerization process, to containing non-ionic monomer, anionic monomer, waste liquid of drilling decolorising agent aqueous solution in be added oxidant and
Reducing agent reacts under the first redox system initiation conditions, post-processing obtain the water-based drilling waste solid phase without
Evilization treatment agent.Harmless treatment medicament is mainly first fixed or is converted to harmful substance in the solid phases waste such as drilling cuttings low
Poison or innocuous substance have only reached environmental protection standard requirement, just to reach the standard requirement in country or place in environmental protection index
Recycling can further be carried out.The innocent treatment agent had applied for patent, will application No. is 201710701578.3
It is incorporated by reference in its entirety.
In above-mentioned water-based drilling waste harmless treatment process, it is preferable that the sieve of the high G vibrating screens selects 200-
230 mesh screens.
In above-mentioned water-based drilling waste harmless treatment process, it is preferable that the variable frequency centrifuge is being separated by solid-liquid separation
In the process, the rotating speed for obtaining liquid phase up to standard is 2800 revs/min -3400 revs/min.
In above-mentioned water-based drilling waste harmless treatment process, collector unit is not landed tradition solidification of digging pit has been abandoned and fill out
Mode is buried, environment hidden danger is eliminated, overcomes and solves using the collection sled of assembly mortar pump, double auger and bed mud scraping blade
There is the case where lower part solid phase accumulation causes the solid phase to be difficult to convey discharge because collecting caching.
In above-mentioned water-based drilling waste harmless treatment process, the liquid phase after liquid phase regeneration treatment unit harmless treatment
It is not added with medicament, it is small to the destruction of drilling fluid active ingredient, it solves routine and does not land treatment technology because dosing causes to discard with brill
The problem of drilling fluid resource recycling not yet in effect, so that drilling fluid resource is recycled, saved drilling cost.
In above-mentioned water-based drilling waste harmless treatment process, the innoxious rear solid phase in solid phase harmless treatment unit
Middle pollutant is less than standard of soil environment quality, and leachate is：PH 6-9, coloration≤50, COD≤100mg/L, petroleum-type≤
5mg/L can be used as construction material or be used for place mat well site.
In above-mentioned water-based drilling waste harmless treatment process, the first mortar pump, the second mortar pump and third mortar pump
It can be vertical structure.
The present invention is the water-based drilling waste harmless treatment device and technique of complete set, wherein：(1) each unit it
Between take skid and modularization, quick coupling connection can be used in piping connection between prying body, needs to carry out using according to scene
Appropriately combined deformation；It is 630m that device, which always takes up an area,2, floor space has been saved under the premise of can play preferred process；(2) liquid
Electrochemical treatments machine is significant element in phase processor, still cannot be removed effectively waste water-base drilling liquid after front end is separated by solid-liquid separation
The harmful solid phase and Nanoparticle of middle grain size≤10 μm, when recycling property of drilling fluid being caused to be unable to reach drilling team's reuse requirement,
Unlatching electrochemical treatments machine is just needed to carry out advanced treating to the liquid phase of solid-liquid separation, solid phase inferior is to reach in removal liquid phase
To the index request of drilling team's reuse；(3) the solid phases waste such as drilling cuttings generated after separation of solid and liquid, it is necessary to pass through innoxious place
Reason agent is handled, to make solid phase all reach concerned countries or professional standard in environmental-protecting performance and two aspect of building materials performance.
The two uses simultaneously, can play synergistic effect, compared with single technology, can carry out harmless treatment to liquid phase and solid phase simultaneously,
50% or more offal treatment amount is reduced, inorganic agent dosage reduces by 20% or more.
In another aspect, the present invention also provides above-mentioned water-based drilling waste harmless treatment process, treated that solid phase is used for
Prepare the application in pave the way foundation stone and/or baking-free building block.
The water-based drilling waste harmless treatment device and method of the present invention can solve conventional curing landfill disposal side
Formula takes up a large area the problem of (2-3 mus), environmental risk big, non-recycling, eliminates environment hidden danger；It solves conventional with boring not
Landing treatment technology causes rejected well drilling liquid resource reclaim profit not yet in effect because dosing destroys property of drilling fluid and system stability
The problem of using；It solves routine and does not land treatment technology to the deep-wells complex drilling waste such as polysulfonate drilling wastes nothing not yet in effect with brill
The problem of evilization processing；Solve conventional solid controlling facility or equipment for separating liquid from solid because cannot be removed effectively grain size in water-base drilling fluid≤
10 μm of harmful solid phase and Nanoparticle causes to recycle the problem of property of drilling fluid is unable to reach drilling team's reuse requirement；It solves
The rough processing mode of conventional drilling offal treatment, this technique can precisely measure drilling wastes emission reduction, Deal With Drilling Fluid
The innoxious dosage of reuse amount, solid phase, can be for different well's conditions, difference come doses adjusting process.
The water-based drilling waste harmless treatment device and method of the present invention has following advantages：
(1) soil and processing cost have been saved.Drilling well site need not excavate landfill pond and carry out traditional landfill disposal again,
Soil has been saved, the expenses such as drill chip innocent processing, landfill pond excavation and antiseepage, individual well (well depth 5000-6000m) section are saved
About take up an area 2~3 mu, saves money about 1,500,000 yuan or more；
(2) it is innoxious to realize drilling wastes processing.Base soil, the unburned block prepared after drilling wastes harmless treatment
The indexs such as pH, COD, coloration, the petroleum-type of block leachate reach the requirement of GB8978-1996 level-ones, and environment protection standard realizes harmless
Change is handled；
(3) drilling wastes regeneration and recycling are realized.Waste liquid of drilling is not added with chemicals treatment, and drilling fluid passes through object
Reach drilling team's reuse standard after reason processing；Baking-free building block, base soil prepared by the solid phase after harmless treatment reaches related building material mark
Standard meets preliminary work for spudding construction usage building standard requirement, can be used for new well preliminary work for spudding and builds Bilge, barricade, sets temporarily
Apply basis and as purposes such as pedestrian-way roadbeds；
(4) drilling wastes processing precision is realized.Processing procedure, by flowmeter to drilling fluid reclamation using counting
Amount control；Add medicament using meausring apparatus carry out metering weigh, can according to mud system, the adjustment in real time of drilling cuttings lithology handle
The dosage of medicament.
Description of the drawings
Fig. 1 is water-based drilling waste harmless treatment device process flow chart in the embodiment of the present invention 1；
Fig. 2 is not land collector unit process flow chart in the embodiment of the present invention 1；
Fig. 3 is liquid phase regeneration treatment cell process flow chart in the embodiment of the present invention 1；
Fig. 4 is solid phase harmless treatment cell process flow chart in the embodiment of the present invention 1；
Accompanying drawings symbol description：
1 does not land collector unit, 2 liquid phase regeneration treatment units, 3 solid phase harmless treatment units, 4 solid phase recycling lists
Member, 5 drilling well solid controlling vibrating screens, 6 desanding desilters, 7 drilling crew's centrifuges, 8 double helixs collect sled, 9 first mortar pumps, 10 flows
Meter, 11 spirals receive conveyer, and 12 solid phase plunger pumps, 13 high G vibrating screens, 14 variable frequency centrifuges, 15 electrochemical treatments machines, 16 is general
Pump is stepped, 17 level-ones, which are weighed, puddles screw machine, and 18 two levels puddle screw machine, 19 innocent treatment agent throwing devices.
Specific implementation mode
In order to which technical characteristic, purpose and the advantageous effect to the present invention are more clearly understood, now to the skill of the present invention
Art scheme carry out it is described further below, but should not be understood as to the present invention can practical range restriction.
Embodiment 1
The present embodiment provides a kind of water-based drilling waste harmless treatment devices, as shown in Figure 1, the water-based drilling is discarded
Object harmless treatment device includes not landing collector unit 1, liquid phase regeneration treatment unit 2, solid phase harmless treatment unit 3 and consolidating
Phase recycling unit 4；
As shown in Fig. 2, it includes that double helix collects sled 8, solid phase plunger pump 12, spiral reception conveying not land collector unit 1
Device 11 and drilling well solid controlling vibrating screen 5.As shown in figure 3, liquid phase regeneration treatment unit 2 includes high G vibrating screens 13, variable frequency centrifuge
14, electrochemical treatments machine 15 and Pu Mai pumps 16；Solid phase harmless treatment unit 4 as shown in Figure 4 is weighed including level-one puddles spiral
Machine 17, two level puddle screw machine 18 and innocent treatment agent throwing device 19.
The top that double helix collects sled 8 is provided with the first mortar pump 9, and the first mortar pump 9 is connected with high G vibrating screens 13,
Flowmeter 10 is provided on its pipeline being connected, the first mortar pump 9, which is used to upper phase drilling wastes being pumped into high G, to be vibrated
In sieve 13.The bottom that double helix collects sled 8 is provided with double auger and bed mud scraping blade (not shown in attached drawing), double helix
The end for collecting sled is connected with solid phase plunger pump 12；For bed mud scraping blade for stirring lower layer's solid phase drilling wastes, double helix is defeated
Send device for lower layer's solid phase drilling wastes to be delivered in solid phase plunger pump 12；Solid phase plunger pump 12 weighs with level-one and puddles spiral shell
Rotation machine 17 is connected.
Spiral receives conveyer 11 and is connected with double helix collection sled 8, for receiving desanding desilter 6 and drilling crew's centrifugation
The drilling cuttings of the discharge of machine 7 is simultaneously delivered in double helix collection sled 8；Drilling well solid controlling vibrating screen 5 collects sled 8 with double helix and is connected, and uses
It is collected in sled 8 in drilling wastes to be fallen into double helix by sliding slot.
The solid-phase outlet of high G vibrating screens 13 is connected with general pump 16 advanced in years, and liquid-phase outlet and the frequency conversion of high G vibrating screens 13 centrifuge
Machine 14 is connected, and the solid-phase outlet of variable frequency centrifuge 14 is connected with general pump 16 advanced in years, liquid-phase outlet and the electricity of variable frequency centrifuge 14
Chemical treatment machine 15 is connected；The solid-phase outlet of electrochemical treatments machine 15 is connected with general pump 16 advanced in years, and general pump 16 advanced in years claims with level-one
Screw machine 17 is puddled again to be connected.
It is (attached it to be provided with the second mortar pump on the pipeline that the liquid-phase outlet of high G vibrating screens 13 is connected with variable frequency centrifuge 14
Do not shown in figure), the second mortar pump is used to the liquid phase that the liquid-phase outlet of high G vibrating screens 13 obtains being pumped into variable frequency centrifuge
In 14；It is (attached that third mortar pump is provided on the pipeline that the liquid-phase outlet of variable frequency centrifuge 14 is connected with electrochemical treatments machine 15
Do not shown in figure), third mortar pump is used to the liquid phase that the liquid-phase outlet of variable frequency centrifuge 14 obtains being pumped at electrochemistry
In reason machine 15.
Level-one, which weighs to puddle screw machine 17 and puddle screw machine 18 with two level, to be connected, innocent treatment agent throwing device 19 with
Level-one, which is weighed, to be puddled screw machine 17 and is connected；The two level puddles screw machine 18 and is connected with solid phase recycling unit 4, described solid
Treated that solid phase is prepared into pave the way foundation stone and/or baking-free building block for that will pass through solid phase harmless treatment for phase recycling unit 4.
Solid phase recycling unit 4 includes more in proportioning machine, blender, belt conveyor, full-automatic palletizing machine and full-automatic brick machine
Kind equipment.
Embodiment 2
The present embodiment also provides a kind of water-based drilling waste harmless treatment process, the water for using embodiment 1 to provide
Base drilling wastes harmless treatment device handles certain conventional gas well polymeric system drilling wastes, including following step
Suddenly：
The drilling wastes that drilling well solid controlling vibrating screen 5 is discharged fall into double helix by sliding slot and collect in sled 8, drilling crew's centrifugation
The drilling cuttings that machine 7 is discharged is received to send to double helix after conveyer 11 receives and be collected in sled 8 by spiral, by caching preliminary solid-liquid point
From rear, upper phase drilling wastes (liquid holdup is more than 60%) are pumped by the first mortar pump 9 in high G vibrating screens 13, are pumped into
Speed is controlled by flowmeter 10, and lower layer's solid phase drilling wastes (liquid holdup is less than 60%) are defeated by double auger
It send into solid phase plunger pump 12；When the more serious influence mobility of bottom desilting, opens bed mud scraping blade agitation lower layer solid phase and bore
Well waste improves the mobility of lower layer's solid phase drilling wastes；
Liquid phase after high G vibrating screens 13 detach enters the buffer tank of lower section, and is pumped into frequency conversion centrifugation via the second mortar pump
Continue to detach in machine 14, the solid phase after high G vibrating screens 13 detach by general pump 16 advanced in years is delivered to level-one and weighs and puddles screw machine 17
In；Solid phase after variable frequency centrifuge 14 detaches is delivered to level-one and is weighed and puddles in screw machine 17 by general pump 16 advanced in years, by harmless
Change inorganic agent throwing device 19, which weighs to puddle in screw machine 17 to level-one, launches innocent treatment agent, weighs via level-one and puddles spiral shell
Rotation machine 17, two level are puddled after screw machine 18 puddled, the solid phase that obtains that treated.Wherein the additive amount of innocent treatment agent with
It is 1 that level-one, which weighs and puddles the mass ratio of the solid phase in screw machine 17,：0.1, the sieve of high G vibrating screens 13 selects 200 mesh screens.
This implementation also provides above-mentioned harmless treatment process treated the application that solid phase is used to prepare in paving the way foundation stone.It will
Solid phase after harmless treatment carries out pollutant monitoring, is used as foundation stone of paving the way for place mat well site road after qualified.
Embodiment 3
This implementation provides a kind of water-based drilling waste harmless treatment process, the water base brill for using embodiment 1 to provide
Well waste harmless treatment device handles certain shale gas well KCl- polymeric system drilling wastes, includes the following steps：
The drilling wastes that drilling well solid controlling vibrating screen 5 is discharged fall into double helix by sliding slot and collect in sled 8, drilling crew's centrifugation
The drilling cuttings that machine 7 is discharged is received to send to double helix after conveyer 11 receives and be collected in sled 8 by spiral, by caching preliminary solid-liquid point
From rear, upper phase drilling wastes (liquid holdup is more than 60%) are pumped by the first mortar pump 9 in high G vibrating screens 13, are pumped into
Speed is controlled by flowmeter 10, and lower layer's solid phase drilling wastes (liquid holdup is less than 60%) are defeated by double auger
It send into solid phase plunger pump 12；When the more serious influence mobility of bottom desilting, opens bed mud scraping blade agitation lower layer solid phase and bore
Well waste improves the mobility of lower layer's solid phase drilling wastes；
Liquid phase after high G vibrating screens 13 detach enters the buffer tank of lower section, and is pumped into frequency conversion centrifugation via the second mortar pump
Continue to detach in machine 14, the solid phase after high G vibrating screens 13 detach by general pump 16 advanced in years is delivered to level-one and weighs and puddles screw machine 17
In；Solid phase after variable frequency centrifuge 14 detaches is delivered to level-one and is weighed and puddles in screw machine 17 by general pump 16 advanced in years, by harmless
Change inorganic agent throwing device 19, which weighs to puddle in screw machine 17 to level-one, launches innocent treatment agent, weighs via level-one and puddles spiral shell
Rotation machine 17, two level are puddled after screw machine 18 puddled, the solid phase that obtains that treated.Wherein the additive amount of innocent treatment agent with
It is 1 that level-one, which weighs and puddles the mass ratio of the solid phase in screw machine 17,：0.15, the sieve of high G vibrating screens 13 selects 230 mesh screens.
This implementation also provides above-mentioned harmless treatment process treated the application that solid phase is used to prepare in baking-free building block.It will
Solid phase after harmless treatment enters in solid phase recycling unit 4, and baking-free building block is prepared using conventional method, is used for place mat
Neighbouring platform drifting road facing wall.
Embodiment 4
This implementation provides a kind of water-based drilling waste harmless treatment process, the water base brill for using embodiment 1 to provide
Well waste harmless treatment device handles certain natural gas well polysulfonate system drilling waste, includes the following steps：
The drilling wastes that drilling well solid controlling vibrating screen 5 is discharged fall into double helix by sliding slot and collect in sled 8, drilling crew's centrifugation
The drilling cuttings that machine 7 is discharged is received to send to double helix after conveyer 11 receives and be collected in sled 8 by spiral, by caching preliminary solid-liquid point
From rear, upper phase drilling wastes (liquid holdup is more than 60%) are pumped by the first mortar pump 9 in high G vibrating screens 13, are pumped into
Speed is controlled by flowmeter 10, and lower layer's solid phase drilling wastes (liquid holdup is less than 60%) are defeated by double auger
It send into solid phase plunger pump 12；When the more serious influence mobility of bottom desilting, opens bed mud scraping blade agitation lower layer solid phase and bore
Well waste improves the mobility of lower layer's solid phase drilling wastes；
Liquid phase after high G vibrating screens 13 detach enters the buffer tank of lower section, and is pumped into frequency conversion centrifugation via the second mortar pump
Continue to detach in machine 14, the solid phase after high G vibrating screens 13 detach by general pump 16 advanced in years is delivered to level-one and weighs and puddles screw machine 17
In；Solid phase after variable frequency centrifuge 14 detaches is delivered to level-one and is weighed and puddles in screw machine 17 by general pump 16 advanced in years, frequency conversion centrifugation
If the liquid phase index after machine 14 detaches fails the performance indicator for reaching water-base drilling fluid reuse, electricity is pumped into using third mortar pump
Advanced treating is carried out in chemical treatment machine 15, isolates the harmful solid phase and Nanoparticle of grain size≤10 μm in drilling fluid, directly
To the liquid phase for obtaining harmless treatment up to standard, it is used as drilling fluid reuse；The solid phase that simultaneous electrochemical processor 15 detaches passes through
Pu Mai pumps 16, which are delivered to level-one and weigh, to be puddled in screw machine 17；It is weighed and is puddled to level-one by innocent treatment agent throwing device 19
Innocent treatment agent is launched in screw machine 17, weighs via level-one and puddles screw machine 17, two level is puddled screw machine 18 and puddled
Afterwards, treated solid phase is obtained.Wherein the additive amount of innocent treatment agent weighs with level-one and puddles the solid phase in screw machine 17
Mass ratio is 1：0.15, the sieve of high G vibrating screens 13 selects 230 mesh screens.
This implementation also provides above-mentioned harmless treatment process treated the application that solid phase is used to prepare in baking-free building block.It will
Solid phase after harmless treatment enters in solid phase recycling unit 4, and baking-free building block is prepared using conventional method, is used for place mat
Neighbouring platform drifting road facing wall.
Liquid phase after the present embodiment harmless treatment and solid phase method of evaluating performance
1, leachate evaluation method and its harmless treatment performance evaluation
The monitoring of drilling cuttings resource product leachate (preparing the leachate after baking-free building block) index of correlation is pressed《Water and waste water
Method for monitoring and analyzing》The execution such as standard.Analysis project is：PH, chemical oxygen consumption (COC) (COD), coloration, petroleum-type.PH value according to
GB6920-1986《The measurement glass electrode method of water quality pH value》Detection, COD is according to GB11914-1989《Water chemical oxygen demand
Measurement potassium dichromate method》Detection, petroleum-type is according to HJ637-2012《The infrared survey of the measurement of water-quality petroleum and animals and plants oils
Oil process》Detection, coloration is according to GB11903-89《The measurement extension rate method of water quality coloration》Detection.
2, the detection method of compression strength of baking-free building block
According to GBT2542-2012《Test methods for wall bricks》It is detected.
3, the radioactive detection methods of baking-free building block
According to GB 6566-2010《Radioactive material radionuclides limitation》It is detected.
Experimental result is shown in Table shown in 1, table 2 and table 3.Table 1 is to leach liquid pollution-free index performance test results, and table 2 is to bore
Well liquid recyclability testing result, table 3 are drilling cuttings resource product (baking-free building block) performance indicator testing result.
Table 1
Table 2
Table 3
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of water-based drilling waste harmless treatment device, it is characterised in that：The water-based drilling waste harmless treatment
Device includes not landing collector unit, liquid phase regeneration treatment unit and solid phase harmless treatment unit；
The collector unit that do not land is connected with the liquid phase regeneration treatment unit and the solid phase harmless treatment unit respectively
It is logical；The liquid phase regeneration treatment unit is connected with the solid phase harmless treatment unit.
2. water-based drilling waste harmless treatment device according to claim 1, it is characterised in that：It is described not land receipts
Collection unit includes that double helix collects sled and solid phase plunger pump；
The top that the double helix collects sled is provided with the first mortar pump, first mortar pump and the liquid phase regeneration treatment list
Member is connected, and upper phase drilling wastes for being pumped into the liquid phase regeneration treatment unit by first mortar pump；
The bottom that the double helix collects sled is provided with double auger and bed mud scraping blade, and the double helix collects the end of sled
It is connected with the solid phase plunger pump；The bed mud scraping blade is for stirring lower layer's solid phase drilling wastes, the double helix conveying
Lower layer's solid phase drilling wastes for being delivered in the solid phase plunger pump by device；The solid phase plunger pump and the solid phase are harmless
Change processing unit to be connected.
3. water-based drilling waste harmless treatment device according to claim 2, it is characterised in that：First mortar
It pumps and is provided with flowmeter on the pipeline being connected with the liquid phase regeneration treatment unit；
Preferably, the collector unit that do not land further includes that spiral receives conveyer, and collecting sled with the double helix is connected,
Drilling cuttings for receiving desanding desilter and the discharge of drilling crew centrifuge is simultaneously delivered to the double helix and collects in sled；
Preferably, the collector unit that do not land further includes drilling well solid controlling vibrating screen, and collecting sled with the double helix is connected,
It is collected in sled for drilling wastes to be fallen into the double helix by sliding slot.
4. water-based drilling waste harmless treatment device according to claim 1, it is characterised in that：The liquid phase regeneration
Processing unit includes high G vibrating screens, general pump advanced in years；
The solid-phase outlet of the high G vibrating screens is connected with the general pump advanced in years, the general pump advanced in years and the solid phase harmless treatment
Unit is connected；It is described not land the liquid phase that collector unit transfers out and be connected with the high G vibrating screens；
Preferably, the liquid phase regeneration treatment unit further includes variable frequency centrifuge, the liquid-phase outlet of the high G vibrating screens with it is described
Variable frequency centrifuge is connected；The solid-phase outlet of the variable frequency centrifuge is connected with the general pump advanced in years；
Preferably, the liquid phase regeneration treatment unit further includes electrochemical treatments machine, the liquid-phase outlet of the variable frequency centrifuge with
The electrochemical treatments machine is connected；The solid-phase outlet of the electrochemical treatments machine is connected with the general pump advanced in years；
Preferably, the second sand is provided on the pipeline that the liquid-phase outlet of the high G vibrating screens is connected with the variable frequency centrifuge
Stock pump, second mortar pump are used to the liquid phase that the liquid-phase outlet of the high G vibrating screens obtains being pumped into the frequency conversion and centrifuge
In machine；
Preferably, third is provided on the pipeline that the liquid-phase outlet of the variable frequency centrifuge is connected with the electrochemical treatments machine
Mortar pump, the third mortar pump are used to the liquid phase that the liquid-phase outlet of the variable frequency centrifuge obtains being pumped into the electrochemistry
In processor.
5. water-based drilling waste harmless treatment device according to claim 1, it is characterised in that：The solid phase is harmless
It includes that level-one weighs and puddles screw machine and innocent treatment agent throwing device to change processing unit；
The solid phase that the liquid phase regeneration treatment unit transportation goes out is weighed with the level-one to be puddled screw machine and is connected, described not land
The solid phase that collector unit transfers out is weighed with the level-one to be puddled screw machine and is connected, the innocent treatment agent throwing device with
The level-one, which is weighed, to be puddled screw machine and is connected；
Preferably, the solid phase harmless treatment unit further includes that two level puddles screw machine, the level-one weigh puddle spiral and
The two level puddles screw machine and is connected.
6. water-based drilling waste harmless treatment device according to claim 1, it is characterised in that：The water-based drilling is useless
Gurry harmless treatment device further includes solid phase recycling unit, the solid phase recycling unit for will pass through the solid phase without
Solid phase after evilization processing unit processes is prepared into baking-free building block.
7. water-based drilling waste harmless treatment device according to claim 6, it is characterised in that：The solid phase resource
It includes proportioning machine, blender, belt conveyor, full-automatic palletizing machine and full-automatic brick machine to change unit.
8. a kind of water-based drilling waste harmless treatment process uses any one of claim 1-7 water-based drillings useless
Gurry harmless treatment device, includes the following steps：
After not landing collector unit and collecting separation, liquid phase enters liquid phase regeneration treatment unit for drilling wastes and drilling cuttings, Gu
Mutually enter solid phase harmless treatment unit, innoxious liquid phase is obtained after liquid phase regeneration treatment cell processing, for recycling profit
With；Solid phase after liquid phase regeneration treatment cell processing enters solid phase harmless treatment unit, in harmless treatment unit
Solid phase obtains the solid phase after harmless treatment cell processing, is used to prepare foundation stone of paving the way with after innocent treatment agent mixed processing
And/or baking-free building block；
Preferably, which includes the following steps：
The drilling wastes of drilling well solid controlling vibrating screen discharge fall into double helix by sliding slot and collect in sled, drilling crew's centrifuge discharge
Drilling cuttings receive to send to double helix after conveyer receives by spiral and collect in sled, after caching preliminary be separated by solid-liquid separation, upper layer
Liquid phase drilling wastes are pumped by the first mortar pump in high G vibrating screens, are pumped into speed and are controlled by flowmeter, lower layer is solid
Phase drilling wastes are delivered to by double auger in solid phase plunger pump；When the more serious influence mobility of bottom desilting
When, bed mud scraping blade agitation lower layer solid phase drilling wastes are opened, the mobility of lower layer's solid phase drilling wastes is improved；
Liquid phase of the high G vibrosieves from after enters the buffer tank of lower section, and is pumped into variable frequency centrifuge relaying via the second mortar pump
Continuous separation, solid phase of the high G vibrosieves from after, which by general pump advanced in years is delivered to level-one, weighs and puddles in screw machine；Variable frequency centrifuge point
Solid phase from after, which by general pump advanced in years is delivered to level-one, weighs and puddles in screw machine, if the liquid phase index after variable frequency centrifuge separation is not
The performance indicator of water-base drilling fluid reuse can be reached, then be pumped into electrochemical treatments machine using third mortar pump and carry out depth
Reason, until obtaining the liquid phase of harmless treatment up to standard, the solid phase of simultaneous electrochemical processor separation is delivered to by general pump advanced in years
Level-one, which is weighed, to be puddled in screw machine；
It weighs to puddle to level-one by innocent treatment agent throwing device and launches innocent treatment agent in screw machine, claim via level-one
Spiral is puddled again, two level is puddled after screw machine puddled, the solid phase that obtains that treated；
Solid phase that treated carries out pollutant monitoring, is used as foundation stone of paving the way for place mat well site road after qualified；Or, treated
Solid phase enter solid phase recycling unit be used to prepare it is non-burning brick fast.
9. water-based drilling waste harmless treatment process according to claim 8, it is characterised in that：The innoxious place
It is 1 that the additive amount of reason agent, which weighs with the level-one and puddles the mass ratio of the solid phase in screw machine,：(0.1-0.15)；
Preferably, the sieve of the high G vibrating screens selects 200-230 mesh screens；
Preferably, the variable frequency centrifuge is in separation of solid and liquid process, and the rotating speed for obtaining liquid phase up to standard is 2800 revs/min-
3400 revs/min.
10. treated that solid phase is used to prepare base of paving the way for the water-based drilling waste harmless treatment process of claim 8 or 9
Application in stone and/or baking-free building block.
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| CN109396156A (en) * | 2018-09-21 | 2019-03-01 | 李康敏 | A kind of harmless minimizing processing method of danger wastes |
| CN110318696A (en) * | 2019-06-25 | 2019-10-11 | 河南省地质矿产勘查开发局第四地质矿产调查院 | Harmless treatment process for water-based waste drilling fluid |
| CN111360029A (en) * | 2020-03-18 | 2020-07-03 | 中国石油天然气集团有限公司 | Classification treatment and utilization method of water-based solid waste of petroleum and natural gas exploration drilling |
| CN111927357A (en) * | 2019-05-13 | 2020-11-13 | 中国石油天然气集团有限公司 | Waste drilling fluid treatment device |
| CN112044916A (en) * | 2020-07-14 | 2020-12-08 | 中国石油天然气集团有限公司 | Quality-based combined resource utilization method for water-based drilling solid waste of oil and gas drilling |
| CN112282679A (en) * | 2020-11-16 | 2021-01-29 | 陕西延长石油（集团）有限责任公司 | Method and device for generating water-based drilling waste residue curing treatment formula |
| CN113121166A (en) * | 2019-12-31 | 2021-07-16 | 中国石油化工股份有限公司 | Drilling solid waste treatment method and application |
| CN113266288A (en) * | 2020-02-17 | 2021-08-17 | 中国石油天然气集团有限公司 | Water-based drilling rock debris while-drilling harmless treatment device and method |
| CN116065985A (en) * | 2021-12-22 | 2023-05-05 | 中国石油天然气集团有限公司 | Harmless advanced treatment method for solid-liquid waste of water-based drilling fluid |
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| CN110318696B (en) * | 2019-06-25 | 2021-10-26 | 河南省地质矿产勘查开发局第四地质矿产调查院 | Harmless treatment process for water-based waste drilling fluid |
| CN113121166A (en) * | 2019-12-31 | 2021-07-16 | 中国石油化工股份有限公司 | Drilling solid waste treatment method and application |
| CN113266288A (en) * | 2020-02-17 | 2021-08-17 | 中国石油天然气集团有限公司 | Water-based drilling rock debris while-drilling harmless treatment device and method |
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| CN112044916A (en) * | 2020-07-14 | 2020-12-08 | 中国石油天然气集团有限公司 | Quality-based combined resource utilization method for water-based drilling solid waste of oil and gas drilling |
| CN112282679A (en) * | 2020-11-16 | 2021-01-29 | 陕西延长石油（集团）有限责任公司 | Method and device for generating water-based drilling waste residue curing treatment formula |
| CN116065985A (en) * | 2021-12-22 | 2023-05-05 | 中国石油天然气集团有限公司 | Harmless advanced treatment method for solid-liquid waste of water-based drilling fluid |
| CN116065985B (en) * | 2021-12-22 | 2024-01-30 | 中国石油天然气集团有限公司 | Harmless advanced treatment method for solid-liquid waste of water-based drilling fluid |
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