CN101643641B - Low solid phase and micro-foam drilling fluid or completion fluid capable of being used circularly - Google Patents

Low solid phase and micro-foam drilling fluid or completion fluid capable of being used circularly Download PDF

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Publication number
CN101643641B
CN101643641B CN2009100163760A CN200910016376A CN101643641B CN 101643641 B CN101643641 B CN 101643641B CN 2009100163760 A CN2009100163760 A CN 2009100163760A CN 200910016376 A CN200910016376 A CN 200910016376A CN 101643641 B CN101643641 B CN 101643641B
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low
foam
low density
solid phase
ratio
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CN101643641A (en
Inventor
隋跃华
关芳
成效华
张帅
崔亘宇
杨常胜
王莉莉
郭广木
隋彩云
于学强
陶开龙
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DONGYING TAIER PETROLEUM TECHNOLOGY Co Ltd
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DONGYING TAIER PETROLEUM TECHNOLOGY Co Ltd
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Publication of CN101643641A publication Critical patent/CN101643641A/en
Priority to CA2743637A priority patent/CA2743637C/en
Priority to PCT/CN2010/000572 priority patent/WO2010145188A1/en
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    • 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
    • C09K8/38—Gaseous or foamed well-drilling compositions

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  • 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)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Detergent Compositions (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a low solid phase and micro-foam drilling fluid or completion fluid capable of being used circularly, comprising the following components in portions by weight: 3-4 portions of micro-foam and low-solid phase composite treating agent SD-LGA capable of being used circularly, 0.5-1 portion of low-density and low-solid phase tackifier SD-LGV, 0.5-1 portion of low-density regulator SD-LFD, 0.5-1 portion of low-density foam stabilizer SD-LFS, 0.5-1 portion of low-density flowing type regulator SD-LFR and 100 portions of clear water. The preparation method comprises the following steps: sequentially adding the components into the clear water in a conventional preparation method according to the weight content of each component at normal temperature and normal pressure, and then, uniformly mixing and stirring the components for use. The drilling fluid or completion fluid has the advantages of low solid phase, low density, high foam stability, high structural strength, high fluid phase viscosity, high flexibility, high lubricity, very low toxicity, easy biodegradation, circular use, little influence on environment, little harm to a storage layer, high permeability recovery value, good effect on protection of an oil-gas layer and the like, and is widely applied to a drilling engineering technology of petroleum and geology.

Description

Low solid phase and micro-foam drilling fluid that can be recycled or well finishing liquid
One, technical field
The present invention relates to drilling fluid, well finishing liquid, particularly a kind of low solid phase and micro-foam drilling fluid that can be recycled or well finishing liquid.
Two, background technology
In low pressure, the exploration of hypotonic and exhausted hydrocarbon stratum, often use the circulative micro-foam drilling fluid technology.Chinese patent numbers 20041001323.7 is called in " residual active sludge protein is as application of foam drilling fluid and preparation method thereof ", discloses a kind of micro-foam drilling fluid, and its prescription and content do; Weight part: wilkinite 5; Tackifier 0.1, stablizer 0.2, whipping agent 0.5; Tackifier are Walocel MT 20.000PV; Stablizer is a SEPIGEL 305.Shortcoming or deficiency that this is technological are: 1. bentonite content is high, needs the prehydration bentonite slurry, and preparation is long between being, preparation procedure is complicated; 2. bentonite slurry adds the foam system internal loose that whipping agent is allotted, and foam is inhomogeneous, and system is unstable, and the foam stabilization performance is poor, and density refractory has increased and safeguarded the difficulty of handling with control; 3. be used for the low porosity and low permeability reservoir and, hydration swelling take place very easily, stop up vapour gas-bearing formation duct, reservoir is caused great injury, influenced oil recovery factor at mudstone stratum.
Three, summary of the invention
The purpose of this invention is to provide a kind of low solid phase and micro-foam drilling fluid that can be recycled or well finishing liquid; The employing solid load is low, stable performance, and configuration technology is easy; The prescription that can be recycled, the shortcoming or the deficiency that overcome effectively or avoid existing in the above-mentioned prior art.
Novel low solid phase and micro-foam drilling fluid that can be recycled of the present invention or well finishing liquid, its composition and content, content are weight part:
1. circulative micro-foam hangs down solid phase composite treating agent SD-LGA 3-4;
2. low density is hanged down solid-phase tack producing agent SD-LGV 0.5-1;
3. low density regulator SD-LFD 0.5-1;
4. low density foam stablizer SD-LFS 0.5-1;
5. low density flow pattern regulator SD-LFR 0.5-1;
6. clear water 100.
Wherein, the low solid phase composite treating agent SD-LGA of said 1. circulative micro-foam is with wilkinite: Na 2CO 3: the ratio of CMC-MV=1-3: 0.2-0.3: 0.3-1 is combined; 2. the low solid-phase tack producing agent SD-LGV of low density is with CMC-HV: the ratio of XC: HEC=0.5-2: 0.1-0.3: 0.5-2 is combined; 3. low density regulator SD-LFD is with AS: the ratio of ABS: polymeric alcohol: F873=1-4: 2-4: 6-10: 6-10 is combined; 4. low density foam stablizer SD-LFS is with DFD-140: the ratio of CMC-LV: PAC-HV=3-8: 6-10: 3-8 is mutually combined.5. low density flow pattern regulator SD-LFR is with the hydrolyzed polyacrylonitrile ammonium salt: the amphoteric ion polymer viscosity-depression agent: the ratio of acrylic amide and sodium acrylate copolymer=3-7: 6-10: 3-7 is combined.
Compound method: above-mentioned substance at normal temperatures and pressures, adds in the clear water with conventional compound method by its component and content successively, and mixing and stirring is for use
The present invention has following advantage or beneficial effect compared with prior art:
1, have lower solid load, the microbubble good stability is little to reservoir pollution;
2, microbubble good rheological property, large rock-carrying ability is strong; Has good lubricity;
3, form the foam stack, stop the solid phase liquid phase to get into reservoir, the protection hydrocarbon zone is effective;
4, the adjustable density scope is wide, according to reservoir pressure coefficient and downhole safety adjustment;
5, preparation is quick, does not need prehydration bentonite slurry and specific installation, can directly prepare at the scene, can be recycled;
6, have multifunctionality, but not only leakproof leakage but also can well protect reservoir not only is used for carbonate strata, can be used for again in the drilling completion on low pressure and low permeability leakiness stratum on coal seam and soft mudstone stratum.
Five, embodiment:
A kind of low solid phase and micro-foam drilling well or well finishing liquid, its composition and content, content are weight part:
1. microbubble is hanged down solid phase composite treating agent SD-LGA 3-4;
2. low density is hanged down solid-phase tack producing agent SD-LGV 0.5-1;
3. low density regulator SD-LFD 0.5-1;
4. low density foam stablizer SD-LFS 0.5-1;
5. low density flow pattern regulator SD-LFR 0.5-1;
6. clear water 100.
Wherein, the low solid phase composite treating agent SD-LGA of said 1. microbubble is with wilkinite: Na 2CO 3: the ratio of CMC-MV=1-3: 0.2-0.3: 0.3-1 is combined; 2. the low solid-phase tack producing agent SD-LGV of low density is with CMC-HV: the ratio of XC: HEC=0.5-2: 0.1-0.3: 0.5-2 is combined; 3. low density regulator SD-LFD is with AS: the ratio of ABS: polymeric alcohol: F873=1-4: 2-4: 6-10: 6-10 is combined; 4. low density foam stablizer SD-LFS is with DFD-140: the ratio of CMC-LV: PAC-HV=3-8: 6-10: 3-8 is mutually combined.5. low density flow pattern regulator SD-LFR is with the hydrolyzed polyacrylonitrile ammonium salt: the amphoteric ion polymer viscosity-depression agent: the ratio of acrylic amide and sodium acrylate copolymer=3-7: 6-10: 3-7 is combined.
Compound method: above-mentioned substance at normal temperatures and pressures, adds in the clear water with conventional compound method by its component and content successively, and mixing and stirring is for use.Provide specific embodiment below:
First example
1. the low solid phase composite treating agent SD-LGA of circulative micro-foam is 3 parts, by swelling: Na 2CO 3: CMC-MV=1: 0.2: 0.3 ratio is combined; 2. 0.5 part of low solid-phase tack producing agent SD-LGV is by CMC-HV: XC: HEC=0.5: 0.1: 0.5 ratio combination; 3. low density regulator SD-LFD is 0.5 part, by AS: ABS: polymeric alcohol: F873=1: 2: 6: 6 ratio combination; 4. low density stablizer SD-LFS is 0.5 part, by DFD-140: CMC-LV: PAC-HV=3: 6: 3 ratio combination; 5. low density flow pattern regulator SD-LFR0.5 part is by the hydrolyzed polyacrylonitrile ammonium salt: the amphoteric ion polymer viscosity-depression agent: the ratio combination of acrylic amide and sodium acrylate copolymer=3: 6: 3; 6. clear water 100.Above-mentioned substance by its component and content, at normal temperatures and pressures, is added in the clear water with conventional compound method successively, and mixing and stirring is for use.
Second example
1. the low solid phase composite treating agent SD-LGA of circulative micro-foam is 3.3 parts, by wilkinite: Na 2CO 3: CMC-MV=2: 0.7 part of the 2. low solid-phase tack producing agent SD-LGV of 0.22: 0.5 ratio combination, by CMC-HV: XC: HEC=1: 0.13: 1 ratio combination; 3. low density regulator SD-LFD is 0.7 part, by AS: ABS: polymeric alcohol: F873=2: 2.5: 7: 7 ratio combination; 4. low density stablizer SD-LFS is 0.7 part, by DFD-140: CMC-LV: PAC-HV=5: 8: 5 ratio combination; 5. low density flow pattern regulator SD-LFR0.7 part is by the hydrolyzed polyacrylonitrile ammonium salt: the amphoteric ion polymer viscosity-depression agent: the ratio combination of acrylic amide and sodium acrylate copolymer=4: 7: 4; 6. clear water 100.Above-mentioned substance by its component and content, at normal temperatures and pressures, is added in the clear water with conventional compound method successively, and mixing and stirring is for use.
The 3rd example
1. the low solid phase composite treating agent SD-LGA of circulative micro-foam is 3.6 parts, by wilkinite: Na 2CO 3: CMC-MV=2.5: 0.25: 0.7 ratio is combined; 2. 0.9 part of low solid-phase tack producing agent SD-LGV is by CMC-HV: XC: HEC=1.5: 0.17: 1.5 ratio combination; 3. low density regulator SD-LFD is 0.9 part, by AS: ABS: polymeric alcohol: F873=3: 3: 8: 8 ratio combination; 4. low density stablizer SD-LFS is 0.9 part, by DFD-140: CMC-LV: PAC-HV=7: 9: 7 ratio combination; 5. low density flow pattern regulator SD-LFR0.9 part is by the hydrolyzed polyacrylonitrile ammonium salt: the amphoteric ion polymer viscosity-depression agent: the ratio combination of acrylic amide and sodium acrylate copolymer=6: 9: 6.6. clear water 100.Above-mentioned substance by its component and content, at normal temperatures and pressures, is added in the clear water with conventional compound method successively, and mixing and stirring is for use.
The 4th example
1. microbubble composite treating agent SD-LGA is 4 parts, by wilkinite: Na 2CO 3: CMC-MV=3: 1 part of the 2. low solid-phase tack producing agent SD-LGV of 0.3: 1 ratio combination, by CMC-HV: XC: HEC=0.5: 0.1: 0.5 ratio group matches; 3. low density regulator SD-LFD is 0.5 part, and by AS: ABS: polymeric alcohol: F873=1: 2: 6: 6 ratio is combined; 4. low density stablizer SD-LFS is 0.5 part, by DFD-140: CMC-LV: PAC-HV=3: 6: 3 ratio combination; 5. low density flow pattern regulator SD-LFR is 0.5 part, and by the hydrolyzed polyacrylonitrile ammonium salt: the amphoteric ion polymer viscosity-depression agent: the ratio of acrylic amide and sodium acrylate copolymer=3: 6: 3 is combined; 6. clear water 100.Above-mentioned substance by its component and content, at normal temperatures and pressures, is added in the clear water with conventional compound method successively, and mixing and stirring is for use.
More than in each example, the 1st example, the 2nd example, the 3rd example are embodiment, the 4th example is a comparative example, its each item performance test data such as following table:
Embodiment Density g/cm 3 PV mPa.s Yield value Pa API filtration ml Foam stabilization rate %
The 1st example 0.85 10 6.5 9 93
The 2nd example 0.83 16 9 8 94
The 3rd example 0.74 23 13 5 95
The 4th example 0.81 27 11 5 96
Found out that by last table the present invention is as drilling well, well finishing liquid, performance is superior.

Claims (1)

1. low solid phase and micro-foam drilling fluid that can be recycled or well finishing liquid, its composition and weight part content are:
1. circulative micro-foam hangs down solid phase composite treating agent SD-LGA 3-4;
2. low density is hanged down solid-phase tack producing agent SD-LGV 0.5-1;
3. low density regulator SD-LFD 0.5-1;
4. low density foam stablizer SD-LFS 0.5-1;
5. low density flow pattern regulator SD-LFR 0.5-1;
6. clear water 100;
Wherein, the low solid phase composite treating agent SD-LGA of said 1. circulative micro-foam is with wilkinite: Na 2CO 3: the ratio of CMC-MV=1-3: 0.2-0.3: 0.3-1 is combined; 2. the low solid-phase tack producing agent SD-LGV of low density is with CMC-HV: the ratio of XC: HEC=0.5-2: 0.1-0.3: 0.5-2 is combined; 3. low density regulator SD-LFD is with AS: the ratio of ABS: polymeric alcohol: F873=1-4: 2-4: 6-10: 6-10 is combined; 4. low density foam stablizer SD-LFS is with DFD-140: the ratio of CMC-LV: PAC-HV=3-8: 6-10: 3-8 is mutually combined; 5. low density flow pattern regulator SD-LFR is with the hydrolyzed polyacrylonitrile ammonium salt: the amphoteric ion polymer viscosity-depression agent: the ratio of acrylic amide and sodium acrylate copolymer=3-7: 6-10: 3-7 is combined; Compound method: above-mentioned substance at normal temperatures and pressures, adds in the clear water with conventional compound method by its component and content successively, and mixing and stirring is for use.
CN2009100163760A 2009-06-18 2009-06-18 Low solid phase and micro-foam drilling fluid or completion fluid capable of being used circularly Active CN101643641B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2009100163760A CN101643641B (en) 2009-06-18 2009-06-18 Low solid phase and micro-foam drilling fluid or completion fluid capable of being used circularly
CA2743637A CA2743637C (en) 2009-06-18 2010-04-26 Recyclable low solid content micro-bubble drilling fluid or completion fluid
PCT/CN2010/000572 WO2010145188A1 (en) 2009-06-18 2010-04-26 Recyclable low solid content micro-bubble drilling fluid or completion fluid

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CN101643641B true CN101643641B (en) 2012-05-30

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Publication number Priority date Publication date Assignee Title
CN101643641B (en) * 2009-06-18 2012-05-30 东营泰尔石油技术有限公司 Low solid phase and micro-foam drilling fluid or completion fluid capable of being used circularly
CN101798499B (en) * 2010-03-30 2012-09-05 中国石油集团川庆钻探工程有限公司工程技术研究院 Strong inhibition type anti-collapse foam liquid for drilling
CN101955757B (en) * 2010-08-25 2012-07-18 石家庄华莱鼎盛科技有限公司 Hydrolyzed polyacrylonitrile-compound ammonium salt for drilling fluid
CN102604604B (en) * 2012-02-06 2014-01-29 北京探矿工程研究所 Drilling fluid material and preparation and application thereof
CN103820085B (en) * 2012-11-19 2016-07-06 北京宝沃石油技术有限责任公司 A kind of drilling fluid oil layer protective agent and production method thereof
CN103937469B (en) * 2013-08-14 2016-08-24 北京百利时能源技术有限责任公司 A kind of Solid Free micro-foam drilling fluid capable of circulation and preparation method thereof
CN104830293A (en) * 2015-04-24 2015-08-12 西南石油大学 Clay containing microfoam workover fluid, preparation method and application thereof
CN106047318A (en) * 2016-06-23 2016-10-26 中石化石油工程技术服务有限公司 Water swelling and plugging material and preparation method thereof
CN109294535B (en) * 2018-11-16 2021-02-23 中联煤层气有限责任公司 Preparation method and preparation equipment of foam drilling fluid for three-gas open-hole exploitation
CN109294536B (en) * 2018-11-16 2021-02-23 中联煤层气有限责任公司 Foam drilling fluid for three-gas open hole exploitation
CN112552883B (en) * 2020-12-16 2022-02-01 成都西油华巍科技有限公司 Lifting and cutting agent for solid-free completion fluid workover fluid for oil and gas well and preparation method thereof
CN116589988A (en) * 2023-03-30 2023-08-15 成都西油华巍科技有限公司 Weak gel tackifier for drilling fluid and preparation method and use method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4088583A (en) * 1976-12-02 1978-05-09 Union Oil Company Of California Composition and method for drilling high temperature reservoirs
CN101182409B (en) * 2007-10-27 2010-06-02 东营泰尔石油技术有限公司 Anti-collapse circulative micro-foam drilling fluid or well completion fluid
CN101643641B (en) * 2009-06-18 2012-05-30 东营泰尔石油技术有限公司 Low solid phase and micro-foam drilling fluid or completion fluid capable of being used circularly
CN101649192B (en) * 2009-06-18 2012-05-30 东营泰尔石油技术有限公司 Recyclable solid-free micro-foam drilling fluid or completion fluid

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CN101643641A (en) 2010-02-10
WO2010145188A1 (en) 2010-12-23
CA2743637C (en) 2016-10-11
CA2743637A1 (en) 2010-12-23

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