CA2433586A1 - Thinners for invert emulsions - Google Patents
Thinners for invert emulsions Download PDFInfo
- Publication number
- CA2433586A1 CA2433586A1 CA002433586A CA2433586A CA2433586A1 CA 2433586 A1 CA2433586 A1 CA 2433586A1 CA 002433586 A CA002433586 A CA 002433586A CA 2433586 A CA2433586 A CA 2433586A CA 2433586 A1 CA2433586 A1 CA 2433586A1
- Authority
- CA
- Canada
- Prior art keywords
- fluid
- compound
- well service
- number ranging
- drilling fluid
- 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
Links
- 239000000839 emulsion Substances 0.000 title claims 5
- 239000012530 fluid Substances 0.000 claims abstract 46
- 238000000034 method Methods 0.000 claims abstract 20
- 150000001875 compounds Chemical class 0.000 claims abstract 19
- 238000005553 drilling Methods 0.000 claims abstract 18
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract 9
- 229920006395 saturated elastomer Polymers 0.000 claims abstract 7
- 150000001298 alcohols Chemical class 0.000 claims 3
- 239000000203 mixture Substances 0.000 claims 3
- 230000009969 flowable effect Effects 0.000 claims 2
- 150000001336 alkenes Chemical class 0.000 claims 1
- 150000001733 carboxylic acid esters Chemical class 0.000 claims 1
- 150000005690 diesters Chemical class 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 150000002170 ethers Chemical class 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
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
- C09K8/36—Water-in-oil emulsions
Abstract
A method of reducing the viscosity of oil-based drilling fluids and well service fluids at low temperatures and a thinner compound for use in such drilling fluids and well service fluids is disclosed. The method comprises adding to said drilling fluids or well service fluids a thinner having the formula: R-(C2H4O)n(C3H6O)m(C4H8O)k-H where R is a saturated or unsaturated, linear or branched alkyl radical having about 8 to about 24 carbon atoms, n is a number ranging from about 1 to about 10, m is a number ranging from about 0 to about 10, and k is a number ranging from about 0 to about 10.
Claims (21)
1. A method of influencing the theology of a drilling fluid or well service fluid comprising an invert emulsion, said method comprising adding to said drilling fluid or well service fluid a compound having the formula:
R-(C2H4O)n(C3H6O)m(C4H8O)k-H
where R is a saturated or unsaturated, linear or branched alkyl radical having about 8 to about 24 carbon atoms, n is a number ranging from about 1 to about 10, m is a number ranging from about 0 to about 10, and k is a number ranging from about 0 to about 10.
R-(C2H4O)n(C3H6O)m(C4H8O)k-H
where R is a saturated or unsaturated, linear or branched alkyl radical having about 8 to about 24 carbon atoms, n is a number ranging from about 1 to about 10, m is a number ranging from about 0 to about 10, and k is a number ranging from about 0 to about 10.
2. The method of claim 1 wherein in said formula, k is zero and m is a number ranging from about 1 to about 10, or m is zero and k is a number ranging from about 1 to about 10.
3. The method of claim 1 wherein in said formula, n is a number ranging from about 1 to about 6, m is a number ranging from about 1 to about 6, and k is zero.
4. The method of claim 1 wherein said invert emulsion comprises a continuous oil phase comprising compounds or compositions flowable and pumpable at temperatures at least as low as about 40 degrees Fahrenheit.
5. The method of claim 1 wherein said invert emulsion comprises a continuous oil phase comprising compounds or compositions flowable and pumpable at temperatures above about 32 degrees Fahrenheit.
6. The method of claim 5 wherein said oil phase comprises compounds or compositions selected from the group comprising:
(f) carboxylic esters of the formula:
R'-COO-R"
where R' is a saturated or unsaturated, linear or branched, alkyl radical having about 1 to about 23 carbon atoms and R" is an alkyl radical, branched or unbranched, saturated or unsaturated, having about 1 to about 23 carbon atoms;
(g) linear or branched olefins having about 8 to about 30 carbon atoms;
(h) water-insoluble symmetric or asymmetric ethers of monohydric alcohols of natural or synthetic origin, said alcohols containing about 1 to about 24 carbon atoms;
(i) water-insoluble alcohols of the formula:
R"'-0 H
where R"' is a saturated, unsaturated, linear or branched alkyl radical having about 8 to about 24 carbon atoms; and (j) carbonic diesters.
(f) carboxylic esters of the formula:
R'-COO-R"
where R' is a saturated or unsaturated, linear or branched, alkyl radical having about 1 to about 23 carbon atoms and R" is an alkyl radical, branched or unbranched, saturated or unsaturated, having about 1 to about 23 carbon atoms;
(g) linear or branched olefins having about 8 to about 30 carbon atoms;
(h) water-insoluble symmetric or asymmetric ethers of monohydric alcohols of natural or synthetic origin, said alcohols containing about 1 to about 24 carbon atoms;
(i) water-insoluble alcohols of the formula:
R"'-0 H
where R"' is a saturated, unsaturated, linear or branched alkyl radical having about 8 to about 24 carbon atoms; and (j) carbonic diesters.
7. The method of claim 1 wherein said compound is added to said drilling fluid or well service fluid in an amount sufficient to effect a reduction in the viscosity of said drilling fluid or well service fluid.
8. The method of claim 1 wherein said compound is added to said drilling fluid or well service fluid in an amount sufficient to maintain the flowability and pumpability of said drilling fluid or well service fluid at temperatures less than about 50 degrees Fahrenheit.
9. The method of claim 1 wherein said compound is added to said drilling fluid or well service fluid in quantities ranging from about 0.5 pounds to about 15.0 pounds of said compound per barrel of said drilling fluid or well service fluid.
10. The method of claim 1 wherein said compound reduces the viscosity of said drilling fluid or well service fluid at low temperatures.
11. The method of claim 10 wherein said compound does not significantly affect the viscosity of said fluid at high temperatures.
12. The method of claim 1 wherein said compound is added to said fluid when said fluid is prepared.
13. The method of claim 1 wherein said compound is added to said fluid while said fluid is circulating in a wellbore.
14. A drilling fluid or well service fluid comprising a continuous oil phase, water dispersed in said oil phase, solids insoluble in said oil phase, and a compound having the formula:
R-(C2H4O)n(C3H6O)m(C4H7O)k-H
where R is a saturated or unsaturated, linear or branched alkyl radical having about 8 to about 24 carbon atoms, n is a number ranging from about 1 to about 10, m is a number ranging from about 0 to about 10, and k is a number ranging from about 0 to about 10.
R-(C2H4O)n(C3H6O)m(C4H7O)k-H
where R is a saturated or unsaturated, linear or branched alkyl radical having about 8 to about 24 carbon atoms, n is a number ranging from about 1 to about 10, m is a number ranging from about 0 to about 10, and k is a number ranging from about 0 to about 10.
15. The drilling fluid or well service fluid of claim 14 wherein said compound is added in sufficient amounts to reduce the viscosity of said fluid at low temperatures.
16. The drilling fluid or well service fluid of claim 14 having a density of from about 8 to about 18 lbs/gal.
17. The drilling fluid or well service fluid of claim 14 having a yield point of not more than about 75 lbs/100 ft2 at about 40°F.
18. A method of reducing the viscosity of an invert emulsion drilling fluid or well service fluid at low temperatures comprising adding to said fluid an effective amount of compound having the formula:
R-(C2H4O)n(C3H6O)m(C4H8O)k-H
where R is a saturated or unsaturated, linear or branched alkyl radical having about 8 to about 24 carbon atoms, n is a number ranging from about 1 to about 10, m is a number ranging from about 0 to about 10, and k is a number ranging from about 0 to about 10.
R-(C2H4O)n(C3H6O)m(C4H8O)k-H
where R is a saturated or unsaturated, linear or branched alkyl radical having about 8 to about 24 carbon atoms, n is a number ranging from about 1 to about 10, m is a number ranging from about 0 to about 10, and k is a number ranging from about 0 to about 10.
19. The method of claim 18 wherein said compound does not significantly affect the viscosity of the drilling fluid at high temperatures.
20. The method of claim 18 further comprising circulating said fluid in a wellbore and adding said compound to said fluid during said circulation.
21. The method of claim 18 further comprising preparing said fluid and adding said compound to said fluid during said preparation.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2000/035609 WO2002053675A1 (en) | 2000-12-29 | 2000-12-29 | Thinners for invert emulsions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2433586A1 true CA2433586A1 (en) | 2002-07-11 |
| CA2433586C CA2433586C (en) | 2010-03-30 |
Family
ID=21742112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2433586A Expired - Lifetime CA2433586C (en) | 2000-12-29 | 2000-12-29 | Thinners for invert emulsions |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US7435706B2 (en) |
| EP (1) | EP1356010B1 (en) |
| AR (1) | AR052749A1 (en) |
| AT (1) | ATE472583T1 (en) |
| AU (1) | AU2001226085B2 (en) |
| BR (1) | BR0017399B1 (en) |
| CA (1) | CA2433586C (en) |
| CY (1) | CY1111234T1 (en) |
| DE (1) | DE60044619D1 (en) |
| DK (1) | DK1356010T3 (en) |
| ES (1) | ES2345922T3 (en) |
| MX (1) | MXPA03005917A (en) |
| NO (1) | NO20032921L (en) |
| WO (1) | WO2002053675A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9574437B2 (en) | 2011-07-29 | 2017-02-21 | Baker Hughes Incorporated | Viscometer for downhole use |
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| US7799742B2 (en) | 2008-03-07 | 2010-09-21 | Elementis Specialties Inc. | Equivalent circulating density control in deep water drilling |
| US20090163386A1 (en) * | 2002-11-27 | 2009-06-25 | Elementis Specialties, Inc. | Compositions for drilling fluids useful to produce flat temperature rheology to such fluids over a wide temperature range and drilling fluids containing such compositions |
| US7871962B2 (en) | 2003-08-25 | 2011-01-18 | M-I L.L.C. | Flat rheology drilling fluid |
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| GB2517881B (en) * | 2012-07-09 | 2018-02-07 | M-I L L C | Oil-based wellbore fluid comprising surface-modified precipitated silica |
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| CA3052814A1 (en) | 2017-02-13 | 2018-08-16 | Q'max Solutions Inc. | Improved rheology drilling fluid and method |
| US10131622B1 (en) | 2018-01-03 | 2018-11-20 | Saudi Arabian Upstream Technology Company | N-hydroxyalkylated polyamines, methods of making N-hydroxyalkylated polyamines, and fluids containing an N-hydroxyalkylated polyamine |
| US10662365B2 (en) | 2018-06-06 | 2020-05-26 | Elementis Specialties, Inc. | Oil based drilling fluids useful having reduced change in high shear viscosity over a wide temperature range |
| US11814570B2 (en) | 2021-08-19 | 2023-11-14 | Schlumberger Technology Corporation | Amide emulsifier for high-temperature oil-based drilling fluid |
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-
2000
- 2000-12-29 EP EP00989596A patent/EP1356010B1/en not_active Expired - Lifetime
- 2000-12-29 ES ES00989596T patent/ES2345922T3/en not_active Expired - Lifetime
- 2000-12-29 DK DK00989596.2T patent/DK1356010T3/en active
- 2000-12-29 AU AU2001226085A patent/AU2001226085B2/en not_active Ceased
- 2000-12-29 US US10/432,787 patent/US7435706B2/en not_active Expired - Lifetime
- 2000-12-29 BR BRPI0017399-1A patent/BR0017399B1/en not_active IP Right Cessation
- 2000-12-29 AT AT00989596T patent/ATE472583T1/en not_active IP Right Cessation
- 2000-12-29 MX MXPA03005917A patent/MXPA03005917A/en active IP Right Grant
- 2000-12-29 DE DE60044619T patent/DE60044619D1/en not_active Expired - Lifetime
- 2000-12-29 CA CA2433586A patent/CA2433586C/en not_active Expired - Lifetime
- 2000-12-29 WO PCT/US2000/035609 patent/WO2002053675A1/en active Application Filing
-
2001
- 2001-12-28 AR ARP010106110A patent/AR052749A1/en active IP Right Grant
-
2003
- 2003-06-25 NO NO20032921A patent/NO20032921L/en not_active Application Discontinuation
-
2010
- 2010-07-07 CY CY20101100632T patent/CY1111234T1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9574437B2 (en) | 2011-07-29 | 2017-02-21 | Baker Hughes Incorporated | Viscometer for downhole use |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2345922T3 (en) | 2010-10-06 |
| MXPA03005917A (en) | 2005-02-14 |
| EP1356010A1 (en) | 2003-10-29 |
| BR0017399A (en) | 2006-03-01 |
| WO2002053675A1 (en) | 2002-07-11 |
| NO20032921D0 (en) | 2003-06-25 |
| US7435706B2 (en) | 2008-10-14 |
| CA2433586C (en) | 2010-03-30 |
| BR0017399B1 (en) | 2011-05-03 |
| ATE472583T1 (en) | 2010-07-15 |
| AR052749A1 (en) | 2007-04-04 |
| NO20032921L (en) | 2003-08-21 |
| EP1356010B1 (en) | 2010-06-30 |
| DE60044619D1 (en) | 2010-08-12 |
| US20060073987A1 (en) | 2006-04-06 |
| AU2001226085B2 (en) | 2007-11-01 |
| CY1111234T1 (en) | 2015-06-11 |
| DK1356010T3 (en) | 2010-10-18 |
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