CA2566627A1 - Compositions and methods for water control and strengthening unconsolidated formations - Google Patents

Compositions and methods for water control and strengthening unconsolidated formations Download PDF

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Publication number
CA2566627A1
CA2566627A1 CA002566627A CA2566627A CA2566627A1 CA 2566627 A1 CA2566627 A1 CA 2566627A1 CA 002566627 A CA002566627 A CA 002566627A CA 2566627 A CA2566627 A CA 2566627A CA 2566627 A1 CA2566627 A1 CA 2566627A1
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CA
Canada
Prior art keywords
aluminum
organoaluminum compound
drilling fluid
subterranean formation
water
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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
CA002566627A
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French (fr)
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CA2566627C (en
Inventor
Eric A. Davidson
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Halliburton Energy Services Inc
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Halliburton Energy Services, Inc.
Eric A. Davidson
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Publication of CA2566627A1 publication Critical patent/CA2566627A1/en
Application granted granted Critical
Publication of CA2566627C publication Critical patent/CA2566627C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • C09K8/32—Non-aqueous well-drilling compositions, e.g. oil-based
    • C09K8/34—Organic liquids
    • 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
    • C09K8/56—Compositions for consolidating loose sand or the like around wells without excessively decreasing the permeability thereof

Abstract

The present invention relates, in general, to subterranean fluids, and more particularly, to subterranean drilling fluids that may be useful for reducing the production of water from a portion of a subterranean formation and/or stabilizing an unconsolidated portion of a subterranean formation while drilling. In some embodiments, the present invention provides methods of reducing the flow of water from a portion of a subterranean formation that comprise contacting the portion of the subterranean formation with an organoaluminum compound, the organoaluminum compound being capable of forming a reaction product in the presence of water. The present invention also includes methods of drilling a well bore in a subterranean formation, methods of enhancing the stability of an unconsolidated portion of a subterranean formation, methods of stabilizing an unconsolidated portion of a subterranean formation, and drilling fluids.

Claims (58)

1. A method of reducing the flow of water from a portion of a subterranean formation comprising:
contacting the portion of the subterranean formation with an organoaluminum compound, the organoaluminum compound being capable of forming at least one reaction product in the presence of water.
2. The method of claim 1 further comprising allowing the organoaluminum compound to react with water present in the subterranean formation so as to form the at least one reaction product.
3. The method of claim 2 wherein the at least one reaction product reduces the flow of water from the subterranean formation.
4. The method of claim 1 wherein the at least one reaction product comprises a complex, a precipitate, or a combination thereof.
5. The method of claim 1 wherein the at least one reaction product comprises aluminum hydroxide.
6. The method of claim 1 wherein the organoaluminum compound comprises a stearate.
7. The method of claim 6 wherein the stearate comprises an aluminum oxystearate.
8. The method of claim 1 wherein the organoaluminum compound comprises an aluminum-bis-(2 butoxide)-ethylacetoacetate, an aluminum-(2 butoxide)-bis-(ethylacetoacetate), or a mixture thereof.
9. The method of claim 1 wherein the organoaluminum compound comprises an aluminum oxystearate, an aluminum alcoholate, an aluminum alcoxide, an aluminum butoxide, a long chain fatty acid, an aluminum tri-isopropoxide, an aluminum sec-butoxide di-isopropoxide, an aluminum tri-isoproxide octanol, an aluminum ethylacetoacetate di-isopropoxide, an aluminum ethylacetoacetate di-octoxide, a polyoxo aluminum octoate, an aluminum carboxylate, an aluminum oleate, or a combination thereof.
10. The method of claim 1 wherein the organoaluminum compound is a component of a drilling fluid, wherein the drilling fluid comprises an oil-based fluid and the organoaluminum compound.
11. The method of claim 10 wherein the oil-based fluid comprises a mineral oil, a synthetic oil, an esters, or a combination thereof.
12. The method of claim 10 wherein the oil-based fluid comprises a refined hydrocarbon.
13. The method of claim 10 wherein the drilling fluid comprises a sufficient amount of the organoaluminum compound to have an aluminum concentration in the range of from about 0.005% to about 10% weight of aluminum by volume of the drilling fluid.
14. The method of claim 10 wherein the drilling fluid comprises a sufficient amount of the organoaluminum compound to have an aluminum concentration in the range of from about 0.05% to about 5% weight of aluminum by volume of the drilling fluid.
15. The method of claim 10 wherein the drilling fluid comprises a sufficient amount of the organoaluminum compound to have an aluminum concentration in the range of from about 0.1% to about 1% weight of aluminum by volume of the drilling fluid.
16. The method of claim 10 wherein the drilling fluid comprises a sufficient amount of the organoaluminum compound to have an aluminum concentration of about 0.5%
weight of aluminum by volume of the drilling fluid.
17. The method of claim 1 further comprising drilling a borehole into the subterranean formation.
18. A method of enhancing the stability of an unconsolidated portion of a subterranean formation that comprises water, comprising:
contacting the unconsolidated portion of the subterranean formation with an organoaluminum compound, the organoaluminum compound being capable of reacting with the water in the unconsolidated portion of the subterranean formation to at least partially enhance the stability of the unconsolidated portion of the subterranean formation.
19. The method of claim 18 further comprising allowing the organoaluminum compound to react with the water in the unconsolidated portion of the subterranean formation to at least partially enhance the stability of the unconsolidated portion of the subterranean formation.
20. The method of claim 18 wherein the organoaluminum compound comprises an aluminum alcoholate.
21. The method of claim 20 wherein the aluminum alcoholate comprises an aluminum butoxide.
22. The method of claim 18 wherein the organoaluminum compound comprises an aluminum-bis-(2 butoxide)-ethylacetoacetate, aluminum-(2 butoxide)-bis-(ethylacetoacetate), or a mixture thereof.
23. The method of claim 18 wherein the organoaluminum compound comprises a stearate.
24. The method of claim 18 wherein the organoaluminum compound comprises an aluminum oxystearate, an aluminum alcoholate, an aluminum alcoxide, an aluminum butoxide, a long chain fatty acid, an aluminum tri-isopropoxide, an aluminum sec-butoxide di-isopropoxide, an aluminum tri-isoproxide octanol, an aluminum ethylacetoacetate di-isopropoxide, an aluminum ethylacetoacetate di-octoxide, a polyoxo aluminum octoate, an aluminum carboxylate, an aluminum oleate, or a combination thereof.
25. The method of claim 18 wherein the organoaluminum compound is a component of a drilling fluid, wherein the drilling fluid comprises an oil-based fluid and the organoaluminum compound.
26. The method of claim 25 wherein the oil-based fluid comprises a mineral oil, a synthetic oil, an ester, or a combination thereof.
27. The method of claim 25 wherein the oil-based fluid comprises a refined hydrocarbon.
28. The method of claim 25 wherein the drilling fluid comprises a sufficient amount of the organoaluminum compound to have an aluminum concentration in the range of from about 0.005% to about 10% weight of aluminum by volume of the drilling fluid.
29. The method of claim 25 wherein the drilling fluid comprises a sufficient amount of the organoaluminum compound to have an aluminum concentration in the range of from about 0.05% to about 5% weight of aluminum by volume of the drilling fluid.
30. The method of claim 25 wherein the drilling fluid comprises a sufficient amount of the organoaluminum compound for the drilling fluid to have a concentration of the aluminum content of the organoaluminum compound in the range of from about 0.1% to about 1%
weight of the aluminum content by volume of the drilling fluid.
31. The method of claim 25 wherein the drilling fluid comprises a sufficient amount of the organoaluminum compound to have an aluminum concentration of about 0.5%
weight of aluminum by volume of the drilling fluid.
32 The method of claim 17 further comprising drilling a borehole into the unconsolidated portion of the subterranean formation.
33. A method of drilling a well bore in a subterranean formation, comprising:
providing a drilling fluid that comprises an oil-based fluid and an organoaluminum compound; and drilling the well bore using the drilling fluid.
34. The method of claim 33 wherein the organoaluminum compound reacts with water present in the subterranean formation to produce at least one reaction product that reduces the flow of water from the subterranean formation.
35. The method of claim 33 wherein the organoaluminum compound reacts with water present in an unconsolidated portion of the subterranean formation to produce at least one reaction product that at least partially stabilizes the unconsolidated portion.
36. A method of drilling a well bore in a subterranean formation, comprising:
providing a first drilling fluid that comprises an oil-based fluid and a first organoaluminum compound, the first organoaluminum compound being capable reacting with water to stabilize an unconsolidated section of sand, wherein the unconsolidated section of sand includes the water;
drilling the well bore using the first drilling fluid;
providing a second drilling fluid that comprises an oil-based fluid and a second organoaluminum compound, the second organoaluminum compound being capable of reacting with water present in a water-bearing section of the subterranean formation to reduce the flow of water therefrom; and drilling the well bore using the second drilling fluid.
37. The method of claim 36 wherein the first organoaluminum compound comprises an aluminum alcoxide or an aluminum alcoholate.
38. The method of claim 36 wherein the second organoaluminum compound comprises an aluminum oxystearate.
39. A method of reducing the flow of water from a portion of a subterranean formation, comprising:
allowing an organoaluminum compound to react with water present in the portion of the subterranean formation to form at least one reaction product that at least partially blocks pore spaces in the portion of the subterranean formation.
40. The method of claim 39 further comprising contacting the portion of the subterranean formation with the organoaluminum compound.
41. The method of claim 39 wherein the organoaluminum compound is a component of a drilling fluid.
42. A method of stabilizing an unconsolidated portion of a subterranean formation that comprises water, comprising:

allowing an organoaluminum compound to react with the water to form at least one reaction product that acts to at least partially stabilize the unconsolidated portion of the subterranean formation.
43. The method of claim 42 further comprising contacting the unconsolidated portion of the subterranean formation with the organoaluminum compound.
44. The method of claim 42 wherein the organoaluminum compound is a component of a drilling fluid.
45. A drilling fluid comprising:
an oil-based fluid; and an organoaluminum compound, wherein the organoaluminum compound is capable of reacting with water to form at least one reaction product.
46. The drilling fluid of claim 45 wherein the organoaluminum compound comprises an aluminum alcoholate.
47. The drilling fluid of claim 46 wherein the aluminum alcoholate comprises an aluminum butoxide.
48. The drilling fluid of claim 45 wherein the organoaluminum compound comprises a stearate.
49. The drilling fluid of claim 48 wherein the stearate comprises an aluminum oxystearate.
50. The drilling fluid of claim 48 wherein the organoaluminum compound comprises an aluminum-bis-(2 butoxide)-ethylacetoacetate, aluminum-(2 butoxide)-bis-(ethylacetoacetate), or a mixture thereof.
51. The drilling fluid of claim 45 wherein the organoaluminum compound comprises an aluminum oxystearate, an aluminum alcoholate, an aluminum alcoxide, an aluminum butoxide, a long chain fatty acid, an aluminum tri-isopropoxide, an aluminum sec-butoxide di-isopropoxide, an aluminum tri-isoproxide octanol, an aluminum ethylacetoacetate di-isopropoxide, an aluminum ethylacetoacetate di-octoxide, a polyoxo aluminum octoate, an aluminum carboxylate, an aluminum oleate, or a combination thereof.
52. The method of claim 45 wherein the oil-based fluid comprises a mineral oil, a synthetic oil, an ester, or a combination thereof.
53. The method of claim 45 wherein the oil-based fluid comprises a refined hydrocarbon.
54. The drilling fluid of claim 45 wherein the drilling fluid comprises a sufficient amount of the organoaluminum compound to have an aluminum concentration in the range of from about 0.005% to about 10% weight of aluminum by volume of the drilling fluid.
55. The drilling fluid of claim 45 wherein the drilling fluid comprises a sufficient amount of the organoaluminum compound to have an aluminum concentration in the range of from about 0.05% to about 5% weight of aluminum by volume of the drilling fluid.
56. The drilling fluid of claim 45 wherein the drilling fluid comprises a sufficient amount of the organoaluminum compound to have an aluminum concentration in the range of from about 0.1% to about 1% weight of aluminum by volume of the drilling fluid.
57. The drilling fluid of claim 45 wherein the drilling fluid comprises a sufficient amount of the organoaluminum compound to have an aluminum concentration of about 0.5%
weight of aluminum by volume of the drilling fluid.
58. The drilling fluid of claim 45 wherein the drilling fluid further comprises a viscosifying agent, a fluid loss agent, a polar activator, a desiccating agent, a supplementary viscosity agent, a fluid loss agent, a breaker, a lost circulation material, or a combination thereof.
CA002566627A 2004-06-15 2005-05-23 Compositions and methods for water control and strengthening unconsolidated formations Expired - Fee Related CA2566627C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/868,562 2004-06-15
US10/868,562 US7501385B2 (en) 2004-06-15 2004-06-15 Compositions and methods for water control and strengthening unconsolidated formations
PCT/GB2005/002034 WO2005123870A1 (en) 2004-06-15 2005-05-23 Compositions and methods for water control and strengthening unconsolidated formations

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CA2566627A1 true CA2566627A1 (en) 2005-12-29
CA2566627C CA2566627C (en) 2010-01-12

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EP (2) EP1786882B1 (en)
CA (1) CA2566627C (en)
NO (1) NO20065567L (en)
WO (1) WO2005123870A1 (en)

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Also Published As

Publication number Publication date
EP1786882B1 (en) 2016-04-13
NO20065567L (en) 2007-02-26
US8138126B2 (en) 2012-03-20
US20090126931A1 (en) 2009-05-21
US8143199B2 (en) 2012-03-27
US20090126999A1 (en) 2009-05-21
US7501385B2 (en) 2009-03-10
US20050284667A1 (en) 2005-12-29
CA2566627C (en) 2010-01-12
WO2005123870A1 (en) 2005-12-29
EP3040394A1 (en) 2016-07-06
EP1786882A1 (en) 2007-05-23

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