CA2621627A1 - Methods of formulating a cement composition - Google Patents

Methods of formulating a cement composition Download PDF

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Publication number
CA2621627A1
CA2621627A1 CA002621627A CA2621627A CA2621627A1 CA 2621627 A1 CA2621627 A1 CA 2621627A1 CA 002621627 A CA002621627 A CA 002621627A CA 2621627 A CA2621627 A CA 2621627A CA 2621627 A1 CA2621627 A1 CA 2621627A1
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CA
Canada
Prior art keywords
rubber
cement composition
ratio
adjusted
optimized
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002621627A
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French (fr)
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CA2621627C (en
Inventor
Barireddy Raghava Reddy
Krishna M. Ravi
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Halliburton Energy Services Inc
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Individual
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Publication of CA2621627A1 publication Critical patent/CA2621627A1/en
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Publication of CA2621627C publication Critical patent/CA2621627C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/42Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
    • C09K8/428Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells for squeeze cementing, e.g. for repairing
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B40/00Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/0028Aspects relating to the mixing step of the mortar preparation
    • C04B40/0032Controlling the process of mixing, e.g. adding ingredients in a quantity depending on a measured or desired value
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/10Sealing or packing boreholes or wells in the borehole
    • E21B33/13Methods or devices for cementing, for plugging holes, crevices, or the like
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2290/00Organisational aspects of production methods, equipment or plants
    • C04B2290/10Business methods aspects

Abstract

A method of cementing a wellbore in a subterranean formation, comprising formulating a cement composition that may be suitable for long-term zonal isolation of the subterranean formation by evaluating a subterranean formation, preparing a base cement composition, determining the compressive strength of the base cement composition, determining the tensile strength of the base cement composition, and adjusting the ratio of compressive strength to tensile strength as need to within a first optimizing range to form a first optimized cement composition, and placing the optimized cement composition in the wellbore.

Claims (22)

1. A method of cementing a wellbore in a subterranean formation, comprising:

formulating a cement composition that may be suitable for long-term zonal isolation of the subterranean formation by evaluating a subterranean formation, preparing a base cement composition, determining the compressive strength of the base cement composition, determining the tensile strength of the base cement composition, and adjusting the ratio of compressive strength to tensile strength as need to within a first optimizing range to form a first optimized cement composition; and placing the optimized cement composition in the wellbore.
2. The method of claim 1 wherein the first optimizing range is from about 5 to about 9.
3. The method of claim 1 wherein the ratio of compressive strength to tensile strength is adjusted by adding plastic fibers, carbon fibers, glass fibers, or combinations thereof.
4. The method of claim 1 further comprising determining the elastic modulus of the first optimized cement composition and adjusting the elastic modulus as needed to within a second optimizing range to form an adjusted first optimized cement composition.
5. The method of claim 4 wherein the second optimizing range from about 30 %
to about 70 % of the elastic modulus of the base cement composition.
6. The method of claim 4 wherein the elastic modulus is adjusted by adding an elastomer, a rubber, or combinations thereof.
7. The method of claim 6 wherein the elastomer, rubber, or combinations thereof are present in an amount of from about 5 to about 50 percent by weight of cement.
8. The method of claim 4 wherein the elastic modulus is adjusted by adding polyisoprene;
polybutadiene; polyisobutylene; polyether; polyester; polystyrene;
poly(methacrylate); isotactic polypropylene; polyurethane; natural rubber; styrene/butadiene rubber; cis-1,4-polybutadiene rubber; high styrene resin; butyl rubber; ethylene/propylene rubbers; neoprene rubber; nitrile rubber; cis-1,4-polyisoprene rubber; silicone rubber; chlorosulfonated rubber;
polyethylene rubber; epichlorohydrin rubber; fluorocarbon rubber; fluorosilicone rubber;
polyurethane rubber; polyacrylic rubber; polysulfide rubber; or combinations thereof.
9. The method of claim 4 wherein the ratio of compressive strength to tensile strength and elastic modulus are repeatedly adjusted as needed until both are within the first and second optimized ranges to form a second optimized cement composition.
10. The method of claim 9 further comprising determining Poisson's ratio of the second optimized cement composition and adjusting Poisson's ratio as needed to within a third optimizing range to form an adjusted second optimized cement composition.
11. The method of claim 10 wherein the third optimizing range is equal to or less than about 0.18
12. The method of claim 10 wherein the third optimizing range is from about 0.09 to about 0.18.
13. The method of claim 10 wherein Poisson's ratio is adjusted by adding flexible compressible beads, a resilient material, or combinations thereof.
14. The method of claim 13 wherein the resilient material is a non-aqueous fluid or a solid.
15. The method of claim 13 wherein the resilient material has a thermal expansion coefficient equal to or greater than about 1×10-4 K-1.
16. The method of claim 13 wherein the flexible compressible beads are present in an amount of from about 1 to 200 percent by weight of cement.
17. The method of claim 10 wherein Poisson's ratio is adjusted by adding a gas.
18. The method of claim 10 wherein Poisson's ratio is adjusted by adding resilient graphite.
19. The method of claim 16 wherein the resilient graphite is present in an amount of from about 1 to about 50 volume percent.
20. The method of claim 10 wherein Poisson's ratio is adjusted by adding natural rubber, styrofoam beads, styrene-butadiene copolymer, neoprene, synthetic rubbers, vinyl plastisol thermoplastics, nitrile rubber, butyl rubber, polysulfide rubber, EPDM rubber, silicone rubber, polyurethane rubber, or combinations thereof.
21. The method of claim 10 wherein the ratio of compressive strength to tensile strength, elastic modulus, and Poisson's ratio are repeatedly adjusted as needed until all three are within the first, second, and third optimized ranges to form a third optimized cement composition.
22. The method of claim 1 wherein the method of cementing a wellbore is cement squeeze.
CA2621627A 2005-09-16 2006-09-13 Methods of formulating a cement composition Expired - Fee Related CA2621627C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/228,099 US7913757B2 (en) 2005-09-16 2005-09-16 Methods of formulating a cement composition
US11/228,099 2005-09-16
PCT/GB2006/003378 WO2007031736A1 (en) 2005-09-16 2006-09-13 Methods of formulating a cement composition

Publications (2)

Publication Number Publication Date
CA2621627A1 true CA2621627A1 (en) 2007-03-22
CA2621627C CA2621627C (en) 2011-01-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2621627A Expired - Fee Related CA2621627C (en) 2005-09-16 2006-09-13 Methods of formulating a cement composition

Country Status (5)

Country Link
US (1) US7913757B2 (en)
EP (1) EP1928976A1 (en)
CA (1) CA2621627C (en)
NO (1) NO343421B1 (en)
WO (1) WO2007031736A1 (en)

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Also Published As

Publication number Publication date
US7913757B2 (en) 2011-03-29
EP1928976A1 (en) 2008-06-11
NO20081356L (en) 2008-06-16
NO343421B1 (en) 2019-03-04
CA2621627C (en) 2011-01-04
US20070062691A1 (en) 2007-03-22
WO2007031736A1 (en) 2007-03-22

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