CA2524620A1 - Cement compositions with improved mechanical properties and methods of cementing in subterranean formations - Google Patents

Cement compositions with improved mechanical properties and methods of cementing in subterranean formations Download PDF

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Publication number
CA2524620A1
CA2524620A1 CA002524620A CA2524620A CA2524620A1 CA 2524620 A1 CA2524620 A1 CA 2524620A1 CA 002524620 A CA002524620 A CA 002524620A CA 2524620 A CA2524620 A CA 2524620A CA 2524620 A1 CA2524620 A1 CA 2524620A1
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Prior art keywords
cement
cement composition
amount
present
composition
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Granted
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CA002524620A
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French (fr)
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CA2524620C (en
Inventor
Lance E. Brothers
Krishna M. Ravi
Anthony V. Palmer
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Halliburton Energy Services Inc
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Individual
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/34—Compositions 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 cold phosphate binders
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Abstract

The present invention provides foamed cement compositions with improved mechanical properties and methods of cementing in subterranean formations, particularly in conjunction with subterranean well operations. The foamed cement compositions comprise carbon fibers, a hydraulic cement material, sufficient water to form a slurry, an expanding additive, and optionally other ingredients including a weighting agent, a retarding or accelerating agent, or the like.

Claims (62)

1. A method of cementing in a subterranean formation comprising the steps of:
providing a cement composition capable of being foamed, the cement composition comprising a hydraulic cement, water, carbon fibers and an expanding additive;
allowing the cement composition to foam;
placing the foamed cement composition in the subterranean formation; and allowing the foamed cement composition to set therein.
2. The method of claim 1 wherein the cement composition comprises Portland cements, pozzolana cements, gypsum cements, high alumina content cements, silica cements or high alkalinity cements.
3. The method of claim 1 wherein the hydraulic cement is a calcium phosphate cement.
4. The method of claim 1 wherein the carbon fibers are present in an amount of from about 1% to about 15% by weight of the cement in the cement composition.
5. The method of claim 1 wherein the carbon fibers have a mean length of about 150 microns.
6. The method of claim 1 wherein the cement composition further comprises a surfactant, a retardant, an accelerant, a fluid loss agent, or a weighting agent.
7. The method of claim 1 wherein the cement composition has a tensile strength greater than about 115 psi.
8. The method of claim 1 wherein the expanding additive comprises one or more gases.
9. The method of claim 8 wherein the expanding additive comprises air, nitrogen or a mixture thereof.
10. The method of claim 9 wherein the expanding additive is present in an amount in the range of from about 0.01% to about 60% by volume of the cement in the cement composition.
11. The method of claim 1 wherein the carbon fibers are present in an amount of from about 1% to about 15% by weight of the cement in the cement composition, and wherein the expanding additive is present in an amount in the range of from about 0.01% to about 60% by volume of the cement in the cement composition.
12 12. The method of claim 1 wherein the water is present in the cement composition in an amount in the range of from about 25% to about 100% by weight of cement.
13. The method of claim 1 wherein the water is present in the cement composition in an amount in the range of from about 30% to about 50% by weight of cement.
14. The method of claim 1 wherein the carbon fibers have a mean length of about 150 microns and are present in an amount of from about 1% to about 15% by weight of the cement in the cement composition, wherein the expanding additive is a gas present in an amount in the range of from about 0.01% to about 60% by volume of the cement in the cement composition, wherein the water is present in the cement composition in an amount in the range of from about 30% to about 50% by weight of cement, and wherein the tensile strength of the foamed cement is greater than about 115 psi.
15. A method of cementing in a subterranean formation comprising the steps of:
providing a cement composition capable of being foamed, the cement composition comprising a hydraulic cement, water, carbon fibers, and an expanding additive;
placing the cement composition into the subterranean formation; and allowing a reaction to occur within the cement composition, wherein the reaction involves at least one component of the cement composition, and the reaction generates a gas within the cement composition before the cement composition develops substantial compressive strength.
16. The method of claim 15 wherein the hydraulic cement comprises Portland cements, or a cement having a pH above about 12.
17. The method of claim 15 wherein the carbon fibers are present in an amount of from about 1% to about 15% by weight of the cement in the cement composition.
18. The method of claim 15 wherein the carbon fibers have a mean length of about 150 microns.
19. The method of claim 15 wherein the cement composition further comprises a dispersant, a retardant, an accelerant, a fluid loss agent, or a weighting agent.
20. The method of claim 15 wherein the cement composition has a tensile strength greater than about 258 psi.
21. The method of claim 15 wherein the expanding additive comprises an aluminum powder, gypsum, or deadburned magnesium oxide.
22. The method of claim 15 wherein the water is present in the cement composition in an amount in the range of from about 25% to about 100% by weight of cement.
23. The method of claim 15 wherein the water is present in the cement composition in an amount in the range of from about 30% to about 50% by weight of cement.
24. The method of claim 15 wherein the expanding additive is an aluminum powder, wherein the carbon fibers have a mean length of about 150 microns and are present in an amount in the range of from about 1% to about 15% by weight of the cement in the cement composition, wherein the water is present in the cement composition in an amount in the range of from about 30% to about 50% by weight of cement, and wherein the cement composition has a tensile strength greater than about 258 psi.
25. A method of cementing in a subterranean formation comprising the steps of:
providing a cement composition capable of being foamed, the cement composition comprising a hydraulic cement, water, and carbon fibers;
placing the cement composition in the subterranean formation;
introducing an expanding additive to the cement composition; and allowing a gas to become incorporated within the cement composition before the cement composition develops compressive strength.
26. The method of claim 25 wherein the expanding additive comprises one or more gases.
27. The method of claim 26 wherein the expanding additive comprises air, nitrogen or a mixture thereof.
28. The method of claim 27 wherein the expanding additive is present in an amount in the range of from about 0.01% to about 60% of the volume of cement in the cement composition.
29. The method of claim 26 wherein the hydraulic cement comprises Portland cements, pozzolana cements, gypsum cements, high alumina content cements, silica cements or high alkalinity cements.
30. The method of claim 27 wherein the cement composition further comprises a surfactant.
31. The method of claim 25 wherein the cement composition further comprises a retardant, an accelerant, a fluid loss agent, or a weighting agent.
32. The method of claim 25 wherein the carbon fibers are present in an amount of from about 1% to about 15% by weight of the cement in the cement composition.
33. The method of claim 25 wherein the carbon fibers have a mean length of about 150 microns.
34. The method of claim 26 wherein the cement composition has a tensile strength greater than about 115 psi.
35. The method of claim 25 wherein the water is present in the cement composition in an amount in the range of from about 25% to about 100% by weight of cement.
36. The method of claim 25 wherein the water is present in the cement composition in an amount in the range of from about 30% to about 50% by weight of cement.
37. The method of claim 25 wherein the expanding additive comprises an aluminum powder, gypsum or deadburned magnesium oxide.
38. The method of claim 37 wherein the hydraulic cement comprises Portland cement or any other cement having a pH higher than about 12.
39. The method of claim 37 wherein the cement composition has a tensile strength greater than about 258 psi.
40. The method of claim 25 wherein the carbon fibers have a mean length of about 150 microns and are present in an amount in the range of from about 1% to about 15% by weight of a cement component in the cement composition, wherein the water is present in the cement composition in an amount in the range of from about 30% to about 50% by weight of cement, and wherein the cement composition has a tensile strength greater than about 115 psi.
41. A method of enhancing the tensile strength of a cement composition that is capable of being foamed comprising the step of adding carbon fibers to the cement composition.
42. The method of claim 41 wherein the carbon fibers have a mean length of about 150 microns.
43. The method of claim 41 wherein the carbon fibers are present in an amount of from about 1% to about 15% by weight of a cement component of the cement composition.
44. The method of claim 41 wherein the strengthened cement composition has a tensile strength greater than about 115 psi.
45. The method of claim 41 wherein the fibers are added after the cement composition has been foamed.
46. The method of claim 41 wherein the carbon fibers have a mean length of about 150 microns and are present in an amount of from about 1% to about 15% by weight of a cement component of the cement composition, and where the strengthened cement composition has a tensile strength greater than about 115 psi.
47. A cement composition comprising:
a hydraulic cement;
carbon fibers;
water present in an amount sufficient to form a cement slurry; and an expanding additive present in an amount sufficient to foam the composition.
48. The cement composition of claim 47 wherein the expanding additive comprises one or more gases.
49. The cement composition of claim 48 wherein the expanding additive comprises air, nitrogen or mixtures thereof.
50. The cement composition of claim 49 wherein the expanding additive is present in an amount in the range of from about 0.01% to about 60% by volume of the cement composition.
51. The cement composition of claim 48 wherein the carbon fibers are present in an amount of from about 1% to about 15% by weight of the cement in the cement composition, and wherein the expanding additive is present in an amount in the range of from about 0.01% to about 60% by volume of the composition.
52. The cement composition of claim 48 wherein the hydraulic cement is selected from the group consisting of Portland cements, pozzolana cements, gypsum cements, high alumina content cements, silica cements, high alkalinity cements, and calcium phosphate cements.
53. The cement composition of claim 48 further comprising a surfactant, a fluid loss agent, a weighting agent, an accelerant, or a retardant.
54. The cement composition of claim 47 wherein the expanding additive is a powder.
55. The cement composition of claim 54 wherein the hydraulic cement is a Portland cement or a cement having a pH greater than about 12.
56. The cement composition of claim 47 wherein the carbon fibers have a mean length of about 150 microns.
57. The cement composition of claim 47 wherein the carbon fibers are present in an amount of from about 1% to about 15% by weight of a cement component of the cement composition.
58. The cement composition of claim 47 wherein the cement composition has a tensile strength greater than 115 psi.
59. The cement composition of claim 54 wherein the cement composition has a tensile strength greater than 258 psi.
60. The cement composition of claim 47 further comprising a fluid loss agent, a weighting agent, an accelerant, or a retardant.
61. The cement composition of claim 47 wherein the water is present in an amount in the range of from about 25% to about 100% by weight of cement.
62. The cement composition of claim 47 wherein the water is present in an amount in the range of from about 30% to about 50% by weight of cement.
CA2524620A 2003-05-09 2004-04-15 Cement compositions with improved mechanical properties and methods of cementing in subterranean formations Expired - Fee Related CA2524620C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/435,297 US7441600B2 (en) 2003-05-09 2003-05-09 Cement compositions with improved mechanical properties and methods of cementing in subterranean formations
US10/435,297 2003-05-09
PCT/GB2004/001636 WO2004099101A2 (en) 2003-05-09 2004-04-15 Cement compositions with improved mechanical properties and methods of cementing in subterranean formations

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CA2524620A1 true CA2524620A1 (en) 2004-11-18
CA2524620C CA2524620C (en) 2012-01-03

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US (2) US7441600B2 (en)
EP (1) EP1622846A2 (en)
CA (1) CA2524620C (en)
MX (1) MXPA05012047A (en)
NO (1) NO20055329L (en)
WO (1) WO2004099101A2 (en)

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Publication number Publication date
CA2524620C (en) 2012-01-03
US20050178296A1 (en) 2005-08-18
WO2004099101A3 (en) 2004-12-23
NO20055329D0 (en) 2005-11-11
EP1622846A2 (en) 2006-02-08
US20040221991A1 (en) 2004-11-11
WO2004099101A2 (en) 2004-11-18
US7282093B2 (en) 2007-10-16
MXPA05012047A (en) 2006-02-22
NO20055329L (en) 2005-12-09
US7441600B2 (en) 2008-10-28

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