CN103740344A - Well cementation displacement efficiency enhancement spacer fluid - Google Patents

Well cementation displacement efficiency enhancement spacer fluid Download PDF

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Publication number
CN103740344A
CN103740344A CN201310662688.5A CN201310662688A CN103740344A CN 103740344 A CN103740344 A CN 103740344A CN 201310662688 A CN201310662688 A CN 201310662688A CN 103740344 A CN103740344 A CN 103740344A
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China
Prior art keywords
spacer pad
well cementation
displacement
parts
efficiency
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CN201310662688.5A
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Chinese (zh)
Inventor
高飞
宋元洪
党冬红
和建勇
周涛
宋剑鸣
安然
李欢
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CNPC Bohai Drilling Engineering Co Ltd
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CNPC Bohai Drilling Engineering Co Ltd
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Priority to CN201310662688.5A priority Critical patent/CN103740344A/en
Publication of CN103740344A publication Critical patent/CN103740344A/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
    • C09K8/40—Spacer compositions, e.g. compositions used to separate well-drilling from cementing masses
    • 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
    • C09K2208/32—Anticorrosion additives

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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)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The invention discloses a well cementation displacement efficiency enhancement spacer fluid which comprises the following components by weight: 100 parts of water, 1-60 parts of lime kiln dust, 0-5 parts of a suspending agent, 0-50 parts of a lightening agent, 0-50 parts of a weighting agent, 0-5 parts of a retarder, 0-5 parts of a shale inhibitor, 0-5 parts of a corrosion inhibitor and 0-30 parts of a cementing material, and the spacer fluid density is 0.8-1.8g / cm<3>. Rheological properties of the spacer fluid are improved so as to further effectively improve the efficiency of a spacer fluid displacement drilling fluid in an annular space.

Description

A kind of spacer pad that strengthens well cementation efficiency of displacement
Technical field
The present invention relates to oil and gas well cementation field, particularly relate to a kind of spacer pad that strengthens well cementation efficiency of displacement.
Background technology
Well cementation spacer pad is generally used in well cementing operation, and Main Function is to keep apart drilling fluid and grout, prevents that it is in contact with one another pollution, avoids drilling fluid and grout blend to cause well cementation accident.Original adoption clear water is as spacer pad, but along with the development of drilling fluid system with to the improving constantly of separating liquid system performance requriements, clear water cannot meet construction demand.At some low-pressure stratums and water-sensitive formation, the use of spacer pad is also subject to some restrictions in addition.Therefore advance the research of separating liquid system significant for improving efficiency of displacement and promoting cementing quality.
The rheological property of spacer pad is one of its key property, comprises the rheological property parameters such as apparent viscosity, plastic viscosity, yield value.The density general requirement of spacer pad can regulate in a big way in addition, and general requirement is between drilling fluid and grout.Spacer pad also will have suspension solid phase particles and high-density weighting material, prevents well slough and suppress many-sided effects such as leakage.
Summary of the invention
Technical problem to be solved by this invention is that a kind of spacer pad of enhancing well cementation efficiency of displacement of the rheological property with optimization spacer pad is provided.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of spacer pad that strengthens well cementation efficiency of displacement, comprises the component of following weight part: 100 parts of water, 1～60 part of lime cellar for storing things dust, 0～5 part of suspension agent, 0～50 part of light-weight additive, 0～50 part of weighting agent, 0～5 part of retardant, 0～5 part of shale control agent, 0～5 part of corrosion inhibitor, 0～30 part of consolidating material, spacer pad density is 0.8～1.8g/cm 3.
The particle size range of described lime cellar for storing things dust is 60～500 orders.
Described suspension agent is a kind of in wilkinite, sodium hydroxyethyl cellulose, water glass, nanometer soil and hydratable clay.
Described light-weight additive is a kind of in hollow glass microbead, perlite and 3M microballon.
Described weighting agent is a kind of in powdered iron ore, barite, micro-manganese and superfine manganese.
Described retardant is a kind of in multiple copolymer, organophosphate and the gluconic acid salt that contains carboxylic acid.
Described shale control agent is a kind of in Sodium salts humic acids, potassium humate, Chrome-free sulfonated lignite, partially hydrolyzed polyacrylamide and sulfonated gilsonite.
Described corrosion inhibitor is a kind of in zinc subcarbonate, chelates of zinc, ammonium bisulfite and sulphite.
Described consolidating material is one or more in portland cement, superfine cement, slag, flyash, rice hull ash, volcanic ash and gypsum.
The invention has the beneficial effects as follows: in spacer pad, add lime cellar for storing things dust to optimize the rheological property of spacer pad, when spacer pad is used at the scene, can produce certain gel strength, the fluid in can better displacement bore hole annulus.Lime cellar for storing things dust water heat-transmission is simultaneously also lower, the byproduct of producing as lime cellar for storing things, and cost is not high yet.In spacer pad, also can add light-weight additive and reduce spacer pad density, for example glass microballon, perlite or 3M microballon and combination thereof.
Embodiment
The spacer pad of the enhancing well cementation efficiency of displacement that the present invention adopts, the component that comprises following weight part: 100 parts of water, 1～60 part of lime cellar for storing things dust, 0～5 part of suspension agent, 0～50 part of light-weight additive, 0～50 part of weighting agent, 0～5 part of retardant, 0～5 part of shale control agent, 0～5 part of corrosion inhibitor, 0～30 part of consolidating material, spacer pad density is 0.8～1.8g/cm 3.
The particle size range of described lime cellar for storing things dust is 60～500 orders.
Described suspension agent is a kind of in wilkinite, sodium hydroxyethyl cellulose, water glass, nanometer soil and hydratable clay.
Described light-weight additive is a kind of in hollow glass microbead, perlite and 3M microballon.
Described weighting agent is a kind of in powdered iron ore, barite, micro-manganese and superfine manganese.
Described retardant is a kind of in multiple copolymer, organophosphate and the gluconic acid salt that contains carboxylic acid.
Described shale control agent is a kind of in Sodium salts humic acids, potassium humate, Chrome-free sulfonated lignite, partially hydrolyzed polyacrylamide and sulfonated gilsonite.
Described corrosion inhibitor is a kind of in zinc subcarbonate, chelates of zinc, ammonium bisulfite and sulphite.
Described consolidating material is one or more in portland cement, superfine cement, slag, flyash, rice hull ash, volcanic ash and gypsum.
The major ingredient of described lime cellar for storing things dust is silicon-dioxide, aluminum oxide, ferric oxide, calcium oxide, magnesium oxide, sulphur trioxide, sodium oxide and potassium oxide.
Below principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Laboratory experiment method is as follows:
Embodiment 1
The spacer pad making method that contains lime cellar for storing things dust is as follows: each component of first weighing, and then put into a clean Glass Containers and be uniformly mixed with hand; The solid phase mixing is put into height and stir machine and add suitable quantity of water to stir, 4000rpm stirs after 25s, changes 12000rpm and stirs 35 seconds.The spacer fluid formulation that experiment is used is as follows:
Formula 1:500mL water+200g lime cellar for storing things dust+20g flyash+20g wilkinite
Formula 2:500mL water+150g lime cellar for storing things dust+20g flyash+20g wilkinite
Formula 3:500mL water+100g lime cellar for storing things dust+20g flyash+20g wilkinite
Basic rheological property is in Table 1.
Table 1 strengthens the basic rheological property of spacer pad
Figure BDA0000432244550000041
Embodiment 2
Preparation method is with embodiment 1.Experiment is used barite and hollow glass microbead that spacer pad is adjusted to different densities, and its fundamental property is in Table 2.
Table 2 different densities strengthens the basic rheological property of spacer pad
Figure BDA0000432244550000042
Embodiment 3
Preparation method is with embodiment 1.The spacer fluid formulation that experiment is used is as follows:
Formula 1:500mL water+200g lime cellar for storing things dust+20g flyash+20g wilkinite+5g zinc subcarbonate
Formula 2:500mL water+200g lime cellar for storing things dust+20g flyash+20g wilkinite+5g superfine cement
Formula 3:500mL water+200g lime cellar for storing things dust+20g flyash+20g wilkinite+5g sulfonated gilsonite
Basic rheological property is in Table 3.
The basic rheological property of table 3 spacer pad
Upper example shows, this spacer pad all has good rheological under different densities, and higher yield value shows that spacer pad has formed certain space grid structure, has certain toughness, can effectively improve efficiency of displacement.
Embodiment 4
The spacer fluid formulation that experiment is used is as follows:
500mL water+200g lime cellar for storing things dust+20g flyash+20g wilkinite+5g NaOH+5g zinc subcarbonate+5g superfine cement+5g potassium humate
The in the situation that of high-speed stirring, various solid phase materials are mixed and stirred, strengthen the fundamental property of spacer pad in Table 4.
Table 4 strengthens the basic rheological property of spacer pad
This spacer pad all has good rheological under different densities, and higher yield value shows that spacer pad has formed certain space grid structure, has certain toughness, can effectively improve efficiency of displacement.
In sum, content of the present invention is not limited in the above-described embodiment, and the knowledgeable people in same area can propose easily other embodiment within technical director's thought of the present invention, but this embodiment comprises within the scope of the present invention.

Claims (9)

  1. One kind strengthen well cementation efficiency of displacement spacer pad, it is characterized in that, comprise the component of following weight part: 100 parts of water, 1～60 part of lime cellar for storing things dust, 0～5 part of suspension agent, 0～50 part of light-weight additive, 0～50 part of weighting agent, 0～5 part of retardant, 0～5 part of shale control agent, 0～5 part of corrosion inhibitor, 0～30 part of consolidating material, spacer pad density is 0.8～1.8g/cm 3.
  2. 2. the spacer pad of enhancing well cementation efficiency of displacement according to claim 1, is characterized in that, the particle size range of described lime cellar for storing things dust is 60～500 orders.
  3. 3. the spacer pad of enhancing according to claim 1 well cementation efficiency of displacement, is characterized in that, described suspension agent is a kind of in wilkinite, sodium hydroxyethyl cellulose, water glass, nanometer soil and hydratable clay.
  4. 4. the spacer pad of enhancing according to claim 1 well cementation efficiency of displacement, is characterized in that, described light-weight additive is a kind of in hollow glass microbead, perlite and 3M microballon.
  5. 5. the spacer pad of enhancing according to claim 1 well cementation efficiency of displacement, is characterized in that, described weighting agent is a kind of in powdered iron ore, barite, micro-manganese and superfine manganese.
  6. 6. the spacer pad of enhancing according to claim 1 well cementation efficiency of displacement, is characterized in that, described retardant is a kind of in multiple copolymer, organophosphate and the gluconic acid salt that contains carboxylic acid.
  7. 7. the spacer pad of enhancing according to claim 1 well cementation efficiency of displacement, is characterized in that, described shale control agent is a kind of in Sodium salts humic acids, potassium humate, Chrome-free sulfonated lignite, partially hydrolyzed polyacrylamide and sulfonated gilsonite.
  8. 8. the spacer pad of enhancing according to claim 1 well cementation efficiency of displacement, is characterized in that, described corrosion inhibitor is a kind of in zinc subcarbonate, chelates of zinc, ammonium bisulfite and sulphite.
  9. 9. the spacer pad of enhancing well cementation efficiency of displacement according to claim 1, is characterized in that, described consolidating material is one or more in portland cement, superfine cement, slag, flyash, rice hull ash, volcanic ash and gypsum.
CN201310662688.5A 2013-12-06 2013-12-06 Well cementation displacement efficiency enhancement spacer fluid Pending CN103740344A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104962259A (en) * 2015-05-29 2015-10-07 成都欧美克石油科技有限公司 Double-effect isolation liquid for oil-based mud cementing, and preparation method thereof
CN104974723A (en) * 2015-06-18 2015-10-14 中石化石油工程技术服务有限公司 Weighted spacer fluid for well cementing at oilfields and preparation method of weighted spacer fluid
CN105154040A (en) * 2015-10-01 2015-12-16 中国石油集团西部钻探工程有限公司 Ultra-low-density water-based drilling fluid and preparation method thereof
CN105372296A (en) * 2014-08-22 2016-03-02 中国石油化工股份有限公司 Detection method of transition degree of oil-based drilling fluid
CN106085387A (en) * 2016-06-17 2016-11-09 湖南科技大学 A kind of mud for expansive stratum push pipe and preparation method thereof
CN106467728A (en) * 2015-08-21 2017-03-01 中国石油化工股份有限公司 A kind of anti-pollutant and preparation method thereof and a kind of water-based insulating liquid
CN108102621A (en) * 2017-11-20 2018-06-01 中石化石油工程技术服务有限公司 A kind of oil-well cement high pressure-bearing low-density palliative and its preparation, application process
CN110643334A (en) * 2019-10-08 2020-01-03 中国石油集团渤海钻探工程有限公司 Nanoparticle reinforced well cementation spacer fluid

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8435930B2 (en) * 2010-07-15 2013-05-07 Lafarge Low density cementitious compositions using lime kiln dust
US20130112405A1 (en) * 2005-09-09 2013-05-09 Halliburton Energy Services, Inc. Consolidating Spacer Fluids and Methods of Use
US20130233538A1 (en) * 2005-09-09 2013-09-12 Halliburton Energy Services, Inc. Methods and Systems for Evaluating a Boundary Between a Consolidating Spacer Fluid and a Cement Composition

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130112405A1 (en) * 2005-09-09 2013-05-09 Halliburton Energy Services, Inc. Consolidating Spacer Fluids and Methods of Use
US20130233538A1 (en) * 2005-09-09 2013-09-12 Halliburton Energy Services, Inc. Methods and Systems for Evaluating a Boundary Between a Consolidating Spacer Fluid and a Cement Composition
US8435930B2 (en) * 2010-07-15 2013-05-07 Lafarge Low density cementitious compositions using lime kiln dust

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105372296A (en) * 2014-08-22 2016-03-02 中国石油化工股份有限公司 Detection method of transition degree of oil-based drilling fluid
CN105372296B (en) * 2014-08-22 2018-04-10 中国石油化工股份有限公司 A kind of oil base drilling fluid conversion degree detection method
CN104962259A (en) * 2015-05-29 2015-10-07 成都欧美克石油科技有限公司 Double-effect isolation liquid for oil-based mud cementing, and preparation method thereof
CN104974723A (en) * 2015-06-18 2015-10-14 中石化石油工程技术服务有限公司 Weighted spacer fluid for well cementing at oilfields and preparation method of weighted spacer fluid
CN104974723B (en) * 2015-06-18 2017-11-24 中石化石油工程技术服务有限公司 A kind of reinforcing oil well exacerbation insulating liquid and preparation method thereof
CN106467728A (en) * 2015-08-21 2017-03-01 中国石油化工股份有限公司 A kind of anti-pollutant and preparation method thereof and a kind of water-based insulating liquid
CN106467728B (en) * 2015-08-21 2019-08-09 中国石油化工股份有限公司 A kind of anti-pollutant and preparation method thereof and a kind of water-based insulating liquid
CN105154040A (en) * 2015-10-01 2015-12-16 中国石油集团西部钻探工程有限公司 Ultra-low-density water-based drilling fluid and preparation method thereof
CN106085387A (en) * 2016-06-17 2016-11-09 湖南科技大学 A kind of mud for expansive stratum push pipe and preparation method thereof
CN108102621A (en) * 2017-11-20 2018-06-01 中石化石油工程技术服务有限公司 A kind of oil-well cement high pressure-bearing low-density palliative and its preparation, application process
CN110643334A (en) * 2019-10-08 2020-01-03 中国石油集团渤海钻探工程有限公司 Nanoparticle reinforced well cementation spacer fluid

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Application publication date: 20140423