CN110317587A - A kind of high performance water-based drilling fluid and preparation method thereof - Google Patents
A kind of high performance water-based drilling fluid and preparation method thereof Download PDFInfo
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- CN110317587A CN110317587A CN201810262940.6A CN201810262940A CN110317587A CN 110317587 A CN110317587 A CN 110317587A CN 201810262940 A CN201810262940 A CN 201810262940A CN 110317587 A CN110317587 A CN 110317587A
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- 238000005553 drilling Methods 0.000 title claims abstract description 163
- 239000012530 fluid Substances 0.000 title claims abstract description 155
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910001868 water Inorganic materials 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000000654 additive Substances 0.000 claims abstract description 46
- 230000000996 additive effect Effects 0.000 claims abstract description 46
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 43
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 36
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 26
- 239000011248 coating agent Substances 0.000 claims abstract description 20
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 239000003112 inhibitor Substances 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 235000017550 sodium carbonate Nutrition 0.000 claims abstract description 13
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 13
- 235000011121 sodium hydroxide Nutrition 0.000 claims abstract description 12
- ONCZQWJXONKSMM-UHFFFAOYSA-N dialuminum;disodium;oxygen(2-);silicon(4+);hydrate Chemical compound O.[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Na+].[Na+].[Al+3].[Al+3].[Si+4].[Si+4].[Si+4].[Si+4] ONCZQWJXONKSMM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229940080314 sodium bentonite Drugs 0.000 claims abstract description 10
- 229910000280 sodium bentonite Inorganic materials 0.000 claims abstract description 10
- 230000005764 inhibitory process Effects 0.000 claims abstract description 9
- 150000003839 salts Chemical class 0.000 claims abstract description 9
- 238000003900 soil pollution Methods 0.000 claims abstract description 6
- 230000001050 lubricating effect Effects 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 5
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims abstract description 4
- 231100000252 nontoxic Toxicity 0.000 claims abstract description 4
- 230000003000 nontoxic effect Effects 0.000 claims abstract description 4
- 230000036571 hydration Effects 0.000 claims abstract description 3
- 238000006703 hydration reaction Methods 0.000 claims abstract description 3
- 229920000642 polymer Polymers 0.000 claims description 54
- 238000003756 stirring Methods 0.000 claims description 44
- 150000001412 amines Chemical class 0.000 claims description 26
- 229920002521 macromolecule Polymers 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 8
- 239000010428 baryte Substances 0.000 claims description 8
- 229910052601 baryte Inorganic materials 0.000 claims description 8
- 239000004816 latex Substances 0.000 claims description 8
- 229920000126 latex Polymers 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 5
- 238000005461 lubrication Methods 0.000 claims description 5
- 229920005615 natural polymer Polymers 0.000 claims description 5
- 239000004927 clay Substances 0.000 claims description 4
- 239000000706 filtrate Substances 0.000 claims description 4
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 2
- 230000032683 aging Effects 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 7
- 239000002585 base Substances 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- 235000012216 bentonite Nutrition 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000002574 poison Substances 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 239000002981 blocking agent Substances 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 239000002173 cutting fluid Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
- C09K8/504—Compositions based on water or polar solvents
- C09K8/506—Compositions based on water or polar solvents containing organic compounds
- C09K8/508—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
- C09K8/514—Compositions based on water or polar solvents containing organic compounds macromolecular compounds of natural origin, e.g. polysaccharides, cellulose
-
- 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
- C09K2208/12—Swell inhibition, i.e. using additives to drilling or well treatment fluids for inhibiting clay or shale swelling or disintegrating
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a kind of high performance water-based drilling fluid and preparation method thereof, including clear water, sodium bentonite, soda ash, caustic soda, drilling fluid coating inhibitor, shale-control agent for drilling fluid, drilling fluid temperature resistance fluid loss additive, drilling fluid sealing agent, drilling fluid cut fluid loss additive and fluid loss additive for boring fluid with mentioning.The drilling fluid adapts to the drilling fluid demand of bad ground, has outstanding rejection, effectively inhibition shale hydration, it is resistant to high temperatures up to 180 DEG C, salt resistance to saturated brine, anti-stick soil pollution effects are good, wellbore stability performance is good, high lubricating effect, the controllable 1.00g/cm of density3‑1.80g/cm3, really realize rapid drilling and zero-emission, significantly reduce drilling period, substantially reduce pollution of the drilling fluid to environment；Bored material is nontoxic, fundamentally reduces the pollution to environment.
Description
Technical field
The present invention relates to a kind of drilling fluid composition fields, and in particular to a kind of high performance water-based drilling fluid and its production side
Method.
Background technique
All there is rings for traditional polymeric system, polysulfonate potassium system, oil base drilling fluid system and brine drilling liquid system
The problem of guarantor's problem and safe, high-quality, low consumption, rapid drilling, by larger constraint in terms of economy and environment, research and development are promoted
Novel amine base high-performance water-base drilling fluid is each oil company's optimal selection.In recent years, although external each major oil companies ground
Have issued it is high inhibit water-base drilling fluid, be able to solve site operation problem, but at high price, be difficult to apply to Cost Competition compared with
In big block.
Summary of the invention
The object of the invention is that providing a kind of high performance water-based drilling fluid and its production to solve the above-mentioned problems
Method, to solve the above problems.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
The present invention provides a kind of high performance water-based drilling fluid and preparation method thereof, including clear water, sodium bentonite, soda ash,
Caustic soda, drilling fluid coating inhibitor, shale-control agent for drilling fluid, drilling fluid temperature resistance fluid loss additive, drilling fluid block
Agent, drilling fluid cut fluid loss additive and fluid loss additive for boring fluid with mentioning, and the clear water is 100 parts, the sodium bentonite is 2-4
Part, the soda ash be 0.3-0.5 parts, the caustic soda is 0.1-0.3 parts, the drilling fluid with coating inhibitor is 0.5-1 parts, institute
State that shale-control agent for drilling fluid is 2-3 parts, the drilling fluid with temperature resistance fluid loss additive is 0.5-3 parts, drilling fluid envelope
Blocking agent is 2-3 parts, the drilling fluid cuts that fluid loss additive is 0.5-2 parts and the fluid loss additive for boring fluid is 0.5-3 parts with mentioning,
Its production method:
Step 1: taking 100 parts of the clear water to be put into a mixing bowl, and the revolving speed of a mixing bowl is 11000r/min；
Step 2: 2-4 parts of the sodium bentonite is added into 100 parts of the clear water and stirs 10 minutes；Then it is added
The caustic soda of the soda ash and 0.1-0.3 of 0.3-0.5 part, is stirred 20 minutes；Room temperature conserves 24 hours, adds 0.5-1
The drilling fluid of part coating inhibitor, is stirred 10 minutes；The shale-control agent for drilling fluid for adding 2-3 parts, is stirred
It mixes 5 minutes；0.5-3 parts of the drilling fluid temperature resistance fluid loss additive is added, is stirred 5 minutes；Add 2-3 parts of the brill
Well liquid sealing agent stirs 5 minutes；It adds 0.5-2 parts of the drilling fluid and cuts fluid loss additive with mentioning；Stirring 5 minutes；Again plus
Enter 0.5-3 parts of the fluid loss additive for boring fluid, stirs 5 minutes；
Step 3: barite, adjustment density to 1.30g/cm is added3, stir 20 minutes.
As a preferred technical solution of the present invention, the drilling fluid is that macromolecule amido polymerize with coating inhibitor
Object；The shale-control agent for drilling fluid is amine based polymer；The drilling fluid is deformable polymer with temperature resistance fluid loss additive；
The drilling fluid is deformable polymer latex with sealing agent；With mentioning, to cut fluid loss additive be modified natural polymer to the drilling fluid
Polymer；The fluid loss additive for boring fluid is multiple copolymer.
As a preferred technical solution of the present invention, the drilling fluid is macromolecule amine based polymer with coating inhibitor
It is amine based polymer, the suppression of the macromolecule amine based polymer and the amine based polymer with the shale-control agent for drilling fluid
Property processed solves the problems, such as that clay disperses caused borehole well instability.
As a preferred technical solution of the present invention, the drilling fluid is deformable polymer with temperature resistance fluid loss additive,
The drilling fluid is deformable polymer latex with sealing agent, solves closure, anti-collapse, lubrication, filtrate reducing and high-temperature stability
Problem.
As a preferred technical solution of the present invention, which adapts to the drilling fluid demand of bad ground, has excellent
Elegant rejection, effectively inhibition shale hydration, resistant to high temperatures 180 DEG C reachable, salt resistance to saturated brine, anti-stick soil pollution effects
Good, wellbore stability performance is good, high lubricating effect, the controllable 1.00g/cm of density3-1.80g/cm3, really realize rapid drilling and zero
Discharge significantly reduces drilling period, substantially reduces pollution of the drilling fluid to environment；Bored material is nontoxic, fundamentally drops
The low pollution to environment.
The beneficial effects obtained by the present invention are as follows being: the device is a kind of high performance water-based drilling fluid and preparation method thereof,
(1) the macromolecule amine based polymer coating agent in the high performance water-based drilling fluid, middle molecule amine based polymer press down by force
Preparation, deformable polymer fluid loss additive, deformable closure polymer etc. are used as main inorganic agent, resistant to high temperatures up to 180 DEG C.
(2) the drilling fluid requirement of various bad grounds can be met；In case of special formation on the basis of this system appropriate adjustment
The dosage of portioned product is just able to satisfy the construction needs at scene；Temperature resistance, salt resistance, anti-stick soil pollution and wellbore stability performance are good, nothing
Poison is harmless, fundamentally reduces the pollution to environment.
(3) drilling fluid system inhibition with super strength and the big characteristic of shear thinning behavior two, dehydration wave making machine is good, inhibits
Yield is strong, blocks anti-collapse.
(4) lubrication needs in drilling process can be met by not needing individually to add lubricant in system, reduce lubricant
Pollution to environment, easy conversion and maintenance processing is good in economic efficiency, is conducive to rapid drilling.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described, it should be understood that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
Embodiment 1
The present invention provides a kind of high performance water-based drilling fluid and preparation method thereof, including clear water, sodium bentonite, soda ash, burning
Alkali, drilling fluid with coating inhibitor, shale-control agent for drilling fluid, drilling fluid temperature resistance fluid loss additive, drilling fluid sealing agent,
Drilling fluid cuts fluid loss additive and fluid loss additive for boring fluid with mentioning, and clear water is 100 parts, sodium bentonite is 2-4 parts, soda ash 0.3-
0.5 part, caustic soda be 0.1-0.3 parts, drilling fluid with coating inhibitor is 0.5-1 parts, shale-control agent for drilling fluid is 2-3 parts,
Drilling fluid with temperature resistance fluid loss additive is 0.5-3 parts, drilling fluid with sealing agent is 2-3 parts, drilling fluid is cut fluid loss additive and is with mentioning
0.5-2 parts are 0.5-3 parts with fluid loss additive for boring fluid, production method:
Step 1: taking 100 parts of clear water to be put into a mixing bowl, and the revolving speed of a mixing bowl is 11000r/min；
Step 2: 2-4 parts of sodium bentonite is added into 100 parts of clear water and stirs 10 minutes；Then it is added 0.3-0.5's
Soda ash and 0.1-0.3 parts of caustic soda stir 20 minutes；Room temperature conserves 24 hours, adds 0.5-1 parts of drilling fluid coating suppression
Preparation stirs 10 minutes；2-3 parts of shale-control agent for drilling fluid is added, is stirred 5 minutes；Add 0.5-3 parts of drilling well
Liquid temperature resistance fluid loss additive stirs 5 minutes；2-3 parts of drilling fluid sealing agent is added, is stirred 5 minutes；Add 0.5-2
Part drilling fluid cut fluid loss additive with mentioning；Stirring 5 minutes；0.5-3 parts of fluid loss additive for boring fluid is added, is stirred 5 minutes；
Step 3: barite, adjustment density to 1.30g/cm is added3, stir 20 minutes.
Drilling fluid is macromolecule amine based polymer with coating inhibitor；Shale-control agent for drilling fluid is amine based polymer；
Drilling fluid is deformable polymer with temperature resistance fluid loss additive；Drilling fluid is deformable polymer latex with sealing agent；Drilling fluid is used
Mentioning and cutting fluid loss additive is modified natural polymer polymer；Fluid loss additive for boring fluid is multiple copolymer.
Drilling fluid is macromolecule amine based polymer with coating inhibitor and shale-control agent for drilling fluid is amine based polymer,
The inhibition of macromolecule amine based polymer and amine based polymer solves the problems, such as that clay disperses caused borehole well instability.
Drilling fluid is deformable polymer with temperature resistance fluid loss additive, and drilling fluid is deformable polymer latex with sealing agent,
Solve the problems, such as closure, anti-collapse, lubrication, filtrate reducing and high-temperature stability.
The drilling fluid adapts to the drilling fluid demand of bad ground, has outstanding rejection, effectively inhibits mud shale water
Change, it is resistant to high temperatures that up to 180 DEG C, salt resistance to saturated brine, anti-stick soil pollution effects are good, and wellbore stability performance is good, high lubricating effect,
The controllable 1.00g/cm of density3-1.80g/cm3, really realize rapid drilling and zero-emission, significantly reduce drilling period, substantially reduce
Pollution of the drilling fluid to environment；Bored material is nontoxic, fundamentally reduces the pollution to environment.
Embodiment 1
A kind of high performance water-based drilling fluid and preparation method thereof: 400 milliliters of clear water are measured, in high-speed stirred (11000r/
Min in the case where), 8 grams of sodium bentonites are added, stir 10 minutes；Then 0.96 gram of soda ash, 1.2 grams of caustic soda is added, stirs 20 points
Clock；Room temperature conserves for 24 hours.It adds 2.0g drilling fluid coating inhibitor macromolecule amine based polymer (JMZ-102) and stirs 10 points
Clock；12g shale-control agent for drilling fluid amine based polymer (JMZ-103) is added to stir 5 minutes；It adds 2g drilling fluid and uses and resist
Temperature drop fluid loss agents deformable polymer (JMZ-202) stirs 5 minutes；Add 8g drilling fluid sealing agent deformable polymer cream
Glue (JMZ-301) stirs 5 minutes；It adds 2g drilling fluid and is cut fluid loss additive-modified natural polymer polymer (VIF) and stirred with mentioning
It mixes 5 minutes；4g fluid loss additive for boring fluid multiple copolymer (JMZ-201) is added to stir 5 minutes；It is eventually adding barite
(adjustment density to 1.30g/cm3) stirring 20 minutes.
The prepared high performance water-based drilling fluid of the present embodiment performance after 120 DEG C of aging 16h is as shown in table 1, shape after rolling
State is that prepared drilling fluid in 120 DEG C of aging 16h, is being then cooled to room temperature measurement performance respectively.PV is indicated: plasticity is viscous
Degree；AV is indicated: apparent viscosity YP is indicated: yield value；GEL: gel strength；FLAPI: dehydration is pressed in room temperature；FLHTHP: high temperature and pressure is lost
Water；Heat is rolled back yield: being the method for the inhibition of appraisal drilling liquid, heat yield of rolling back is higher, indicates that inhibition is stronger.
Property of drilling fluid measuring method is executed according to following petroleum industry standard:
1, industrial gas oil drilling fluid on-the-spot test first part water-base drilling fluid GB/T16783.1-2006 (PV,
YP, GEL, API, LSRV, HTHP parameter are executed according to this standard)
2, lubricant for drilling fluids assessment process SY/T6094-94 (lubricating coefficient is executed according to this standard)
3, shale control agent evaluation method SY/T6335-1997 (heat roll back yield executed according to this standard)
4, drilling fluid with bridge joint plugging material Experimental Method in Laboratory SY/T5840-2007, (hold according to this standard by casting bed depth
Row)
120 DEG C of basic performances of 1 high performance water-based drilling fluid of table
Embodiment 2
The preparation method of high performance water-based drilling fluid: 400 milliliters of clear water are measured, in the feelings of high-speed stirred (11000r/min)
Under condition, 16 grams of sodium bentonites are added, stir 10 minutes；Then 0.96 gram of soda ash, 1.2 grams of caustic soda is added, stirs 20 minutes；Room temperature
Maintenance is for 24 hours.1.2g drilling fluid coating inhibitor macromolecule amine based polymer (JMZ-102) is added to stir 10 minutes；Again plus
Enter 8g shale-control agent for drilling fluid amine based polymer (JMZ-103) to stir 5 minutes；Add 8g drilling fluid temperature resistance filtrate reducing
Agent deformable polymer (JMZ-202) stirs 5 minutes；Add 12g drilling fluid sealing agent deformable polymer latex (JMZ-
301) it stirs 5 minutes；It adds 2g drilling fluid and is cut fluid loss additive-modified natural polymer polymer (VIF) and stirred 5 points with mentioning
Clock；4g fluid loss additive for boring fluid multiple copolymer (JMZ-201) is added to stir 5 minutes；Being eventually adding barite, (adjustment is close
It spends to 1.30g/cm3) stirring 20 minutes.
The prepared Anti-leakage type high performance water-based drilling fluid performance of the present embodiment is in 150 DEG C of heat rolling aged properties such as tables 2
Shown, each meaning of parameters and test method are same as Example 1.
150 DEG C of basic performances of 2 high performance water-based drilling fluid of table
Embodiment 3
The preparation method of high performance water-based drilling fluid: 400 milliliters of clear water are measured, in the feelings of high-speed stirred (11000r/min)
Under condition, 16 grams of sodium bentonites are added, stir 10 minutes；Then 0.96 gram of soda ash, 1.2 grams of caustic soda is added, stirs 20 minutes；Room temperature
Maintenance is for 24 hours.1.2g drilling fluid coating inhibitor macromolecule amine based polymer (JMZ-102) is added to stir 10 minutes；Again plus
Enter 12g shale-control agent for drilling fluid amine based polymer (JMZ-103) to stir 5 minutes；Add the drop filter of 12g drilling fluid temperature resistance
Agent deformable polymer (JMZ-202) is lost to stir 5 minutes；Add 12g drilling fluid sealing agent deformable polymer latex
(JMZ-301) it stirs 5 minutes；It is eventually adding barite (adjustment density to 1.30g/cm3) stirring 20 minutes.
The prepared Anti-leakage type high performance water-based drilling fluid performance of the present embodiment is in 180 DEG C of heat rolling aged properties such as tables 3
Shown, each meaning of parameters and test method are same as Example 1.
180 DEG C of performances of 3 high performance water-based drilling fluid of table
For the anti-salt property for further measuring high performance water-based drilling fluid, the resulting drilling fluid of Examples 1 and 2 is added
60gNaCl, stirring add barite (adjustment density to 1.30g/cm after twenty minutes3) stirring 20 minutes.Respectively at 120 DEG C,
150 DEG C of heat rolling aging 16h, obtained experimental result such as table 4.
4 drilling fluid of table is in 120 DEG C, 150 DEG C of heat rolling aging 16h anti-salt properties
It can be seen that the system after salt pollution from 4 experimental data of table, performance still keeps good.It can satisfy drilling engineering
Needs.
For the anti-Property of Clay for further measuring high performance water-based drilling fluid, 5g is added in the resulting drilling fluid of embodiment 2
Salt, stirring add barite (adjustment density to 1.30g/cm after ten minutes3) stirring 20 minutes.Respectively at 120 DEG C, 150 DEG C
Heat rolling aging 16h, obtained experimental result such as table 5.
5 wellbore fluid of table ties up to heat at 120 DEG C, 150 DEG C and rolls anti-stick native pollutant performance after aging 16h
It can be seen that the anti-stick native pollution capacity of the system is good from 5 experimental data of table.It can satisfy the needs of drilling engineering.
By table 1-5 it is found that high performance water-based drilling fluid of the present invention has good temperature resistance, salt resistance, anti-stick native pollution
Can, the properties after high temperature ageing are still stable, can satisfy the needs of drilling engineering.
The beneficial effects obtained by the present invention are as follows being: the device is a kind of high performance water-based drilling fluid and preparation method thereof,
(1) the macromolecule amine based polymer coating agent in the high performance water-based drilling fluid, middle molecule amine based polymer press down by force
Preparation, deformable polymer fluid loss additive, deformable closure polymer etc. are used as main inorganic agent, resistant to high temperatures up to 180 DEG C.
(2) the drilling fluid requirement of various bad grounds can be met；In case of special formation on the basis of this system appropriate adjustment
The dosage of portioned product is just able to satisfy the construction needs at scene；Temperature resistance, salt resistance, anti-stick soil pollution and wellbore stability performance are good, nothing
Poison is harmless, fundamentally reduces the pollution to environment.
(3) drilling fluid system inhibition with super strength and the big characteristic of shear thinning behavior two, dehydration wave making machine is good, inhibits
Yield is strong, blocks anti-collapse.
(4) lubrication needs in drilling process can be met by not needing individually to add lubricant in system, reduce lubricant
Pollution to environment, easy conversion and maintenance processing is good in economic efficiency, is conducive to rapid drilling.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (5)
1. a kind of high performance water-based drilling fluid and preparation method thereof, including clear water, sodium bentonite, soda ash, caustic soda, drilling fluid packet
Agent, shale-control agent for drilling fluid, drilling fluid temperature resistance fluid loss additive, drilling fluid sealing agent, drilling fluid is suppressed to be cut with mentioning
Fluid loss additive and fluid loss additive for boring fluid, which is characterized in that the clear water is 100 parts, the sodium bentonite is 2-4 parts, institute
State that soda ash is 0.3-0.5 parts, the caustic soda is 0.1-0.3 parts, the drilling fluid with coating inhibitor is 0.5-1 parts, the brill
Well liquid with shale control agent is 2-3 parts, the drilling fluid with temperature resistance fluid loss additive is 0.5-3 parts, the drilling fluid sealing agent
Cut that fluid loss additive is 0.5-2 parts and the fluid loss additive for boring fluid is 0.5-3 parts with mentioning for 2-3 parts, the drilling fluid, system
Make method:
Step 1: taking 100 parts of the clear water to be put into a mixing bowl, and the revolving speed of a mixing bowl is 11000r/min；
Step 2: 2-4 parts of the sodium bentonite is added into 100 parts of the clear water and stirs 10 minutes；Then 0.3- is added
The caustic soda of 0.5 soda ash and 0.1-0.3 part, is stirred 20 minutes；Room temperature conserves 24 hours, adds 0.5-1 parts
Drilling fluid coating inhibitor, is stirred 10 minutes；2-3 parts of the shale-control agent for drilling fluid is added, stirs 5 points
Clock；0.5-3 parts of the drilling fluid temperature resistance fluid loss additive is added, is stirred 5 minutes；Add 2-3 parts of the drilling fluid
With sealing agent, stir 5 minutes；It adds 0.5-2 parts of the drilling fluid and cuts fluid loss additive with mentioning；Stirring 5 minutes；It adds
0.5-3 parts of the fluid loss additive for boring fluid stirs 5 minutes；
Step 3: barite, adjustment density to 1.30g/cm is added3, stir 20 minutes.
2. a kind of high performance water-based drilling fluid according to claim 1 and preparation method thereof, which is characterized in that the drilling well
Liquid is macromolecule amine based polymer with coating inhibitor；The shale-control agent for drilling fluid is amine based polymer；The drilling well
Liquid is deformable polymer with temperature resistance fluid loss additive；The drilling fluid is deformable polymer latex with sealing agent；The drilling well
With mentioning, to cut fluid loss additive be modified natural polymer polymer to liquid；The fluid loss additive for boring fluid is multiple copolymer.
3. a kind of high performance water-based drilling fluid according to claim 1 and preparation method thereof, which is characterized in that the drilling well
Liquid is macromolecule amine based polymer with coating inhibitor and the shale-control agent for drilling fluid is amine based polymer, the high score
The inhibition of sub- amine based polymer and the amine based polymer solves the problems, such as that clay disperses caused borehole well instability.
4. a kind of high performance water-based drilling fluid according to claim 1 and preparation method thereof, which is characterized in that the drilling well
Liquid is deformable polymer with temperature resistance fluid loss additive, and the drilling fluid is deformable polymer latex with sealing agent, solution closure,
The problem of anti-collapse, lubrication, filtrate reducing and high-temperature stability.
5. a kind of high performance water-based drilling fluid according to claim 1 and preparation method thereof, which is characterized in that the drilling fluid
The drilling fluid demand of bad ground is adapted to, there is outstanding rejection, effectively inhibition shale hydration, it is resistant to high temperatures up to 180
DEG C, salt resistance to saturated brine, anti-stick soil pollution effects are good, and wellbore stability performance is good, high lubricating effect, the controllable 1.00g/ of density
cm3-1.80g/cm3, really realize rapid drilling and zero-emission, significantly reduce drilling period, substantially reduce drilling fluid to environment
Pollution；Bored material is nontoxic, fundamentally reduces the pollution to environment.
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Cited By (1)
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| CN112080260A (en) * | 2020-08-14 | 2020-12-15 | 中国石油天然气集团有限公司 | Polyamine strong-inhibition water-based drilling fluid system and preparation method thereof |
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