CN110079284A - A kind of mud and drilling construction method for drilling construction - Google Patents

A kind of mud and drilling construction method for drilling construction Download PDF

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Publication number
CN110079284A
CN110079284A CN201810076524.7A CN201810076524A CN110079284A CN 110079284 A CN110079284 A CN 110079284A CN 201810076524 A CN201810076524 A CN 201810076524A CN 110079284 A CN110079284 A CN 110079284A
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mud
water
drilling
added
reducing agent
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毛卫南
丁士君
郑卫锋
崔强
满银
杨文智
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China Electric Power Research Institute Co Ltd CEPRI
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China Electric Power Research Institute Co Ltd CEPRI
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
    • C08G8/28—Chemically modified polycondensates
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/02—Well-drilling compositions
    • C09K8/04—Aqueous well-drilling compositions
    • C09K8/14—Clay-containing compositions
    • C09K8/18—Clay-containing compositions characterised by the organic compounds
    • C09K8/22—Synthetic organic compounds
    • C09K8/24—Polymers
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/06—Foundation trenches ditches or narrow shafts
    • E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
    • C09K2208/34—Lubricant additives
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00—Materials
    • E02D2300/0004—Synthetics
    • E02D2300/0018—Cement used as binder
    • E02D2300/0023—Slurry

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Dispersion Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)

Abstract

The present invention provides a kind of mud and drilling construction method for drilling construction, the mud includes following components as mass fraction: bentonite: 7~15；Soda ash；4~7；Water-reducing agent: 0.4~1.5；Water: 100.For the mud by being added water-reducing agent in mud prescription, the dosage of bentonitic dosage and water reduces by 50~60% and 25~35% respectively；The reduction of bentonite consumption enables the manpower and material resources in mud manufacturing process effectively to save, and reduces the influence to environment；Proportionate relationship between the reduction and component of water consumption not only ensure that the mobility of mud can meet construction requirement, but also improve mud density, to enhance retaining wall effect, reduce mud loss；Using mud provided by the invention, the security level of construction is further increased.

Description

A kind of mud and drilling construction method for drilling construction
Technical field
The present invention relates to drilling construction fields, and in particular to a kind of mud and drilling construction method for drilling construction.
Background technique
It is generally mechanical using borehole basis in the transmission line of electricity mechanized construction widelyd popularize, rotary drilling rig therein at The Pile Grouting in hole is very common.Because stratum is ever-changing, especially continuous layer of sand (i.e. compared with thick sand bed), rotary drilling rig is being filled Infuse more demanding to the mud property of required retaining wall in stake pore forming process, use during existing spiral-digging pore and pouring construction Mud materials configuration mud off exist pollution environment the defects of；And in transmission line foundation construction, there is also water supply Deficiency, therefore the water consumption of mud also usually perplex transmission line of electricity mechanization construction.
Therefore need to provide a kind of mud and drilling construction method for drilling construction.
Summary of the invention
In view of the deficiencies of the prior art, invention provides a kind of mud and drilling construction method for drilling construction；It should Mud greatly reduces the dosage of bentonitic dosage and water by the way that water-reducing agent is added in mud prescription；Bentonite consumption It reduces, so that the manpower and material resources in mud manufacturing process is effectively saved, and reduce the influence to environment；The reduction of water consumption Proportionate relationship between component not only ensure that the mobility of mud can meet construction requirement, but also improved mud density, from And retaining wall effect is enhanced, reduce mud loss；Using mud provided by the invention, the security level of construction is further mentioned It is high.
The purpose of the present invention is what is realized by following technical proposals:
The present invention provides a kind of mud for drilling construction, the mud includes following groups as mass fraction Point:
Bentonite: 7~15；Soda ash；4~7；Water-reducing agent: 0.4~1.5；Water: 100.
Preferably, the water-reducing agent includes:
Aminosulfonic water-reducing agent or amido sulfoacid series compound water-reducing agent with naphthalene system.
Preferably, the aminosulfonic water-reducing agent includes following components based on mass fraction:
Phenol: 15~25；Sodium hydroxide: 9~13；Formaldehyde: 20~30；P-aminobenzene sulfonic acid: 10~15.
Preferably, the preparation of the aminosulfonic water-reducing agent includes the following steps:
(1) sodium hydroxide is added in the water of 10 times of its quality and prepares sodium hydroxide solution；
(2) phenol is added in the sodium hydroxide solution, be added after stirring evenly sulfamic acid sodium and three/ One formaldehyde reacts 80~90min；
(3) formaldehyde of p-aminobenzene sulfonic acid and remaining 2/3rds is added in the solution of end of reaction in step (2), React 40min.
Preferably,
The formaldehyde of the one third in the step (2) is added using dropwise addition mode, and time for adding is 20~ 25min。
Preferably,
Remaining 2/3rds formaldehyde in the step (3) is added using dropwise addition mode, time for adding 2.5 ~3.5h.
Preferably, it includes following components as mass fraction that the amido sulfoacid series, which compound water-reducing agent with naphthalene system:
Naphthalene: the concentrated sulfuric acid that mass fraction is 90%: the sodium hydroxide that mass fraction is 50%: phenol: formaldehyde: urea: right Sodium p-aminobenzene sulfonat=16:16:20:15:17:2:10.
Preferably, the amido sulfoacid series include the following steps: with the preparation that naphthalene system compounds water-reducing agent
(1) naphthalene is heated to 175 DEG C~185 DEG C, reaches molten condition, the concentrated sulfuric acid that mass fraction is 98% is added Sulfonating reaction is carried out, into obtained sulfonated products plus reaction is hydrolyzed in water, obtains hydrolysate；
(2) phenol is added to mass fraction is to be stirring evenly and then adding into 50% sodium hydroxide solution to phenalgin sulfonic acid Sodium carries out condensation reaction, obtains condensation product；
(3) hydrolysate obtained in the step (1) mix simultaneously sufficiently with the condensation product that step (2) obtains Stirring, obtains mixed solution；
(4) temperature of the mixed solution is controlled at 90~95 DEG C, formaldehyde is added and reacts 3~5h, it is anti-to add urea Answer 3~5h；
(5) being eventually adding sodium hydroxide solution and adjusting pH value is 9~11, obtains amido sulfoacid series with naphthalene system and compounds diminishing Agent.
Preferably, the mud includes following components as mass fraction:
Bentonite: 7；Soda ash；4；Water-reducing agent: 0.4；Water: 100.
Based on unified inventive concept, the present invention also provides a kind of drilling construction method using above-mentioned mud, the sides Method includes the following steps:
(1) it is successively proportionally added into water, bentonite, soda ash and water-reducing agent in mud pit and stirs evenly, prepares mud extraction Slurry, the mud is added in the positioning pit dug in advance；
(2) drilling is drilled at positioning pit using rotary drilling rig, while the mud in the mud pit is passed through into drill bit not It is disconnected to be injected into drilling；
(3) when the mud in the drilling is saturated, stop the mud in the mud pit being injected into drilling by drill bit, The mud in the drilling is injected into drill bit simultaneously, makes the mud in the interior constantly circulation of drill bit and drilling；
(4) it when mud unsaturation in the drilling, repeats step (2) and (3).
Compared with closest to the prior art, the beneficial effects of the present invention are:
1, technical solution provided by the invention, by the way that water-reducing agent, the dosage point of bentonite and water are added in mud prescription 50~60% and 25~35% are not reduced；The reduction of bentonite consumption enables the manpower and material resources in mud manufacturing process to have Effect is saved, and reduces the influence to environment；Proportionate relationship between the reduction and component of water consumption, both ensure that the stream of mud Dynamic performance enough meets construction requirement, and improves mud density, to enhance retaining wall effect, reduces mud loss；It uses The security level of mud provided by the invention, construction further increases.
2, the water-reducing effect of technical solution provided by the invention, the aminosulfonic water-reducing agent is obvious, general up to 25 ~30%；And in its preparation process, its heat demand can be met by chemically reacting generated heat, be avoided unnecessary Energy dissipation.
3, technical solution provided by the invention, the water-reducing effect that the amido sulfoacid series compound water-reducing agent with naphthalene system is obvious, General reachable 30~35%；And preparation process is convenient, simple.
4, technical solution provided by the invention, using the drilling construction method of mud provided by the present application, first can have Effect guarantees the lubrication between drill bit and the wall of a borehole；Second can guarantee the protection to the side wall of drilling, effectively prevent its collapsing；The Three realize the recycling of mud, improve the utilization rate of mud, have saved construction cost.
Specific embodiment
Carry out clear, complete below with reference to specific formula design extremely effect, technical solutions in the embodiments of the present application Site preparation description.
Embodiment 1
The present invention provides a kind of mud for drilling construction, the mud includes following groups as mass fraction Point:
Bentonite: 7；Soda ash；4；Water-reducing agent: 0.4；Water: 100.
The water-reducing agent includes:
Aminosulfonic water-reducing agent.
The aminosulfonic water-reducing agent includes following components based on mass fraction:
Phenol: 15；Sodium hydroxide: 13；Formaldehyde: 20；P-aminobenzene sulfonic acid: 15.
The preparation of the aminosulfonic water-reducing agent includes the following steps:
(1) sodium hydroxide is added in the water of 10 times of its quality and prepares sodium hydroxide solution；
(2) phenol is added in the sodium hydroxide solution, be added after stirring evenly sulfamic acid sodium and three/ One formaldehyde reacts 80~90min；
(3) formaldehyde of p-aminobenzene sulfonic acid and remaining 2/3rds is added in the solution of end of reaction in step (2), React 40min.
The formaldehyde of the one third in the step (2) is added using dropwise addition mode, and time for adding is 20~ 25min。
Remaining 2/3rds formaldehyde in the step (3) is added using dropwise addition mode, time for adding 2.5 ~3.5h.
By being added water-reducing agent in mud prescription, the dosage of bentonite and water reduces 50% and 25% respectively；Swelling The reduction of native dosage enables the manpower and material resources in mud manufacturing process effectively to save, and reduces the influence to environment；Water is used Proportionate relationship between the reduction and component of amount not only ensure that the mobility of mud can meet construction requirement, but also improve mud Pulp density reduces mud loss to enhance retaining wall effect；Use mud provided by the invention, the security level of construction It further increases.
The water-reducing effect of the aminosulfonic water-reducing agent is obvious, general up to 25%；And in its preparation process, chemistry is anti- Heat caused by answering can meet its heat demand, avoid unnecessary energy dissipation.
Embodiment 2
The present invention provides a kind of mud for drilling construction, the mud includes following groups as mass fraction Point:
Bentonite: 7；Soda ash；4；Water-reducing agent: 0.4；Water: 100.
The water-reducing agent includes:
Aminosulfonic water-reducing agent.
The aminosulfonic water-reducing agent includes following components based on mass fraction:
Phenol: 25；Sodium hydroxide: 9；Formaldehyde: 30；P-aminobenzene sulfonic acid: 10.
The preparation of the aminosulfonic water-reducing agent includes the following steps:
(1) sodium hydroxide is added in the water of 10 times of its quality and prepares sodium hydroxide solution；
(2) phenol is added in the sodium hydroxide solution, be added after stirring evenly sulfamic acid sodium and three/ One formaldehyde reacts 80~90min；
(3) formaldehyde of p-aminobenzene sulfonic acid and remaining 2/3rds is added in the solution of end of reaction in step (2), React 40min.
The formaldehyde of the one third in the step (2) is added using dropwise addition mode, and time for adding is 20~ 25min。
Remaining 2/3rds formaldehyde in the step (3) is added using dropwise addition mode, time for adding 2.5 ~3.5h.
By being added water-reducing agent in mud prescription, the dosage of bentonite and water reduces 60% and 35% respectively；Swelling The reduction of native dosage enables the manpower and material resources in mud manufacturing process effectively to save, and reduces the influence to environment；Water is used Proportionate relationship between the reduction and component of amount not only ensure that the mobility of mud can meet construction requirement, but also improve mud Pulp density reduces mud loss to enhance retaining wall effect；Use mud provided by the invention, the security level of construction It further increases.
The water-reducing effect of the aminosulfonic water-reducing agent is obvious, general up to 30%；And in its preparation process, chemistry is anti- Heat caused by answering can meet its heat demand, avoid unnecessary energy dissipation.
Embodiment 3
The present invention provides a kind of mud for drilling construction, the mud includes following groups as mass fraction Point:
Bentonite: 10；Soda ash；5；Water-reducing agent: 1.0；Water: 100.
The water-reducing agent includes:
Aminosulfonic water-reducing agent.
The aminosulfonic water-reducing agent includes following components based on mass fraction:
Phenol: 20；Sodium hydroxide: 10；Formaldehyde: 24；P-aminobenzene sulfonic acid: 13.
The preparation of the aminosulfonic water-reducing agent includes the following steps:
(1) sodium hydroxide is added in the water of 10 times of its quality and prepares sodium hydroxide solution；
(2) phenol is added in the sodium hydroxide solution, be added after stirring evenly sulfamic acid sodium and three/ One formaldehyde reacts 80~90min；
(3) formaldehyde of p-aminobenzene sulfonic acid and remaining 2/3rds is added in the solution of end of reaction in step (2), React 40min.
The formaldehyde of the one third in the step (2) is added using dropwise addition mode, and time for adding is 20~ 25min。
Remaining 2/3rds formaldehyde in the step (3) is added using dropwise addition mode, time for adding 2.5 ~3.5h.
By being added water-reducing agent in mud prescription, the dosage of bentonite and water reduces 55% and 28% respectively；Swelling The reduction of native dosage enables the manpower and material resources in mud manufacturing process effectively to save, and reduces the influence to environment；Water is used Proportionate relationship between the reduction and component of amount not only ensure that the mobility of mud can meet construction requirement, but also improve mud Pulp density reduces mud loss to enhance retaining wall effect；Use mud provided by the invention, the security level of construction It further increases.
The water-reducing effect of the aminosulfonic water-reducing agent is obvious, up to 28%；And in its preparation process, institute is chemically reacted The heat of generation can meet its heat demand, avoid unnecessary energy dissipation.
Embodiment 4
The present invention provides a kind of mud for drilling construction, the mud includes following groups as mass fraction Point:
Bentonite: 15；Soda ash；7；Water-reducing agent: 1.5；Water: 100.
The water-reducing agent includes:
Amido sulfoacid series compound water-reducing agent with naphthalene system.
It includes following components that the amido sulfoacid series, which compound water-reducing agent with naphthalene system:
Sodium hydroxide that the concentrated sulfuric acid that naphthalene, mass fraction are 98%, mass fraction are 50%, phenol, formaldehyde, urea and right Sodium p-aminobenzene sulfonat；
The ratio of said components are as follows:
Naphthalene: the concentrated sulfuric acid that mass fraction is 90%: the sodium hydroxide that mass fraction is 50%: phenol: formaldehyde: urea: right Sodium p-aminobenzene sulfonat=16:16:20:15:17:2:10.
The amido sulfoacid series include the following steps: with the preparation that naphthalene system compounds water-reducing agent
(1) naphthalene is heated to 175 DEG C~185 DEG C, reaches molten condition, the concentrated sulfuric acid that mass fraction is 98% is added Sulfonating reaction is carried out, into obtained sulfonated products plus reaction is hydrolyzed in water, obtains hydrolysate；
(2) phenol is added to mass fraction is to be stirring evenly and then adding into 50% sodium hydroxide solution to phenalgin sulfonic acid Sodium carries out condensation reaction, obtains condensation product；
(3) hydrolysate obtained in the step (1) mix simultaneously sufficiently with the condensation product that step (2) obtains Stirring, obtains mixed solution；
(4) temperature of the mixed solution is controlled at 90~95 DEG C, formaldehyde is added and reacts 3~5h, it is anti-to add urea Answer 3~5h；
(5) being eventually adding sodium hydroxide solution and adjusting pH value is 9~11, obtains amido sulfoacid series with naphthalene system and compounds diminishing Agent.
By being added water-reducing agent in mud prescription, the dosage of bentonite and water reduces 60% and 35% respectively；Swelling The reduction of native dosage enables the manpower and material resources in mud manufacturing process effectively to save, and reduces the influence to environment；Water is used Proportionate relationship between the reduction and component of amount not only ensure that the mobility of mud can meet construction requirement, but also improve mud Pulp density reduces mud loss to enhance retaining wall effect；Use mud provided by the invention, the security level of construction It further increases.
The water-reducing effect that the amido sulfoacid series compound water-reducing agent with naphthalene system is obvious, up to 35%；And preparation process convenience, Simply.
Embodiment 5
Based on unified inventive concept, the present invention also provides a kind of drilling construction method using above-mentioned mud, the sides Method includes the following steps:
(1) it is successively proportionally added into water, bentonite, soda ash and water-reducing agent in mud pit and stirs evenly, prepares mud extraction Slurry, the mud is added in the positioning pit dug in advance；
(2) drilling is drilled at positioning pit using rotary drilling rig, while the mud in the mud pit is passed through into drill bit not It is disconnected to be injected into drilling；
(3) when the mud in the drilling is saturated, stop the mud in the mud pit being injected into drilling by drill bit, The mud in the drilling is injected into drill bit simultaneously, makes the mud in the interior constantly circulation of drill bit and drilling；
(4) it when mud unsaturation in the drilling, repeats step (2) and (3).
It can effectively ensure that between drill bit and the wall of a borehole using the drilling construction method of mud provided by the present application, first Lubrication；Second can guarantee the protection to the side wall of drilling, effectively prevent its collapsing；Third realizes the recycling of mud, The utilization rate for improving mud, has saved construction cost.
Finally it should be noted that: described embodiment is only some embodiments of the present application, rather than whole realities Example is applied, based on the embodiment in the application, those skilled in the art are obtained without making creative work All other embodiment, shall fall in the protection scope of this application.

Claims (10)

1. a kind of mud for drilling construction, which is characterized in that the mud includes following components as mass fraction:
Bentonite: 7~15；Soda ash；4~7；Water-reducing agent: 0.4~1.5 and water: 100.
2. a kind of mud for drilling construction according to claim 1, which is characterized in that the water-reducing agent includes:
Aminosulfonic water-reducing agent or amido sulfoacid series compound water-reducing agent with naphthalene system.
3. a kind of mud for drilling construction according to claim 2, which is characterized in that the amido sulfoacid series diminishing Agent includes following components based on mass fraction:
Phenol: 15~25；Sodium hydroxide: 9~13；Formaldehyde: 20~30；P-aminobenzene sulfonic acid: 10~15.
4. a kind of mud for drilling construction according to claim 3, which is characterized in that the amido sulfoacid series diminishing The preparation of agent includes the following steps:
(1) sodium hydroxide is added in the water of 10 times of its quality and prepares sodium hydroxide solution；
(2) phenol is added in the sodium hydroxide solution, sulfamic acid sodium and one third is added after stirring evenly Formaldehyde reacts 80~90min；
(3) formaldehyde of p-aminobenzene sulfonic acid and remaining 2/3rds, reaction is added in the solution of end of reaction in step (2) 40min。
5. a kind of mud for drilling construction according to claim 4, which is characterized in that
The formaldehyde of the one third in the step (2) is added using dropwise addition mode, and time for adding is 20~25min.
6. a kind of mud for drilling construction according to claim 4, which is characterized in that
Remaining 2/3rds formaldehyde in the step (3) is added using dropwise addition mode, and time for adding is 2.5~ 3.5h。
7. a kind of mud for drilling construction according to claim 3, which is characterized in that the amido sulfoacid series and naphthalene System's compounding water-reducing agent includes following components as mass fraction:
Naphthalene: the concentrated sulfuric acid that mass fraction is 98%: the sodium hydroxide that mass fraction is 50%: phenol: formaldehyde: urea: to amino Benzene sulfonic acid sodium salt=16:16:20:15:17:2:10.
8. a kind of mud for drilling construction according to claim 7, which is characterized in that the amido sulfoacid series and naphthalene The preparation of system's compounding water-reducing agent includes the following steps:
(1) after naphthalene being heated to 175 DEG C~185 DEG C meltings, after the concentrated sulfuric acid progress sulfonating reaction that mass fraction is 98% is added Water is added to obtain hydrolysate；
(2) phenol is added to mass fraction is to be stirring evenly and then adding into sodium sulfanilate in 50% sodium hydroxide solution, into Row condensation reaction, obtains condensation product；
(3) hydrolysate obtained in the step (1) is mixed with the condensation product that step (2) obtains and is sufficiently stirred It mixes, obtains mixed solution；
(4) formaldehyde is added in 90~95 DEG C of the mixed solution and reacts 3~5h, add 3~5h of urea reaction and obtain instead Answer liquid；
(5) adjusting pH value with addition sodium hydroxide solution in the reaction solution is 9~11, obtains amido sulfoacid series and compounds with naphthalene system Water-reducing agent.
9. a kind of mud for drilling construction according to claim 1, which is characterized in that the mud includes pressing quality Following components of score meter:
Bentonite: 7；Soda ash；4；Water-reducing agent: 0.4；Water: 100.
10. a kind of drilling construction method using the described in any item mud of claim 1 to 9, which is characterized in that the method Include the following steps:
(1) it is successively proportionally added into water, bentonite, soda ash and water-reducing agent in mud pit and stirs evenly, prepares mud, it will The mud is added in the positioning pit dug in advance；
(2) drilling is drilled at positioning pit using rotary drilling rig, while the mud in the mud pit constantly being infused by drill bit Enter into drilling；
(3) when the mud in the drilling is saturated, stop the mud in the mud pit being injected into drilling by drill bit, simultaneously Mud in the drilling is injected into drill bit, makes the mud continuous circulation in drill bit and drilling；
(4) it when mud unsaturation in the drilling, repeats step (2) and (3).
CN201810076524.7A 2018-01-26 2018-01-26 A kind of mud and drilling construction method for drilling construction Pending CN110079284A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102211910A (en) * 2011-04-08 2011-10-12 马清浩 Cement-based grouting material containing modified naphthalene-series water reducing agent and preparation method thereof
CN103183486A (en) * 2013-03-01 2013-07-03 王中 Amino-sulfonic acid and naphthalene compound water reducing agent and preparation method thereof
CN103254878A (en) * 2013-04-15 2013-08-21 中交路桥华南工程有限公司 Slurry for bridge construction, and preparation method and application thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102211910A (en) * 2011-04-08 2011-10-12 马清浩 Cement-based grouting material containing modified naphthalene-series water reducing agent and preparation method thereof
CN103183486A (en) * 2013-03-01 2013-07-03 王中 Amino-sulfonic acid and naphthalene compound water reducing agent and preparation method thereof
CN103254878A (en) * 2013-04-15 2013-08-21 中交路桥华南工程有限公司 Slurry for bridge construction, and preparation method and application thereof

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