CA2629765A1 - Delayed hydrocarbon gel crosslinkers and methods for making and using same - Google Patents
Delayed hydrocarbon gel crosslinkers and methods for making and using same Download PDFInfo
- Publication number
- CA2629765A1 CA2629765A1 CA002629765A CA2629765A CA2629765A1 CA 2629765 A1 CA2629765 A1 CA 2629765A1 CA 002629765 A CA002629765 A CA 002629765A CA 2629765 A CA2629765 A CA 2629765A CA 2629765 A1 CA2629765 A1 CA 2629765A1
- Authority
- CA
- Canada
- Prior art keywords
- cross
- linking
- fluid
- amount
- fracturing
- 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
- 238000000034 method Methods 0.000 title claims abstract 11
- 239000004215 Carbon black (E152) Substances 0.000 title 1
- 239000004971 Cross linker Substances 0.000 title 1
- 230000003111 delayed effect Effects 0.000 title 1
- 229930195733 hydrocarbon Natural products 0.000 title 1
- 150000002430 hydrocarbons Chemical class 0.000 title 1
- 238000004132 cross linking Methods 0.000 claims abstract 25
- 239000000203 mixture Substances 0.000 claims abstract 24
- 239000012530 fluid Substances 0.000 claims abstract 22
- 230000000979 retarding effect Effects 0.000 claims abstract 10
- 230000015572 biosynthetic process Effects 0.000 claims 16
- 150000001720 carbohydrates Chemical class 0.000 claims 9
- -1 polyol compound Chemical class 0.000 claims 9
- 125000004432 carbon atom Chemical group C* 0.000 claims 8
- 229920005862 polyol Polymers 0.000 claims 6
- 150000004676 glycans Chemical class 0.000 claims 5
- 150000002772 monosaccharides Chemical class 0.000 claims 5
- 229920000642 polymer Polymers 0.000 claims 5
- 239000005017 polysaccharide Substances 0.000 claims 5
- 229920001282 polysaccharide Polymers 0.000 claims 4
- 235000014633 carbohydrates Nutrition 0.000 claims 3
- 150000002016 disaccharides Chemical class 0.000 claims 2
- 229920001542 oligosaccharide Polymers 0.000 claims 2
- 150000002482 oligosaccharides Chemical class 0.000 claims 2
- 150000003077 polyols Chemical class 0.000 claims 2
- 235000000346 sugar Nutrition 0.000 claims 2
- ZEPAXLPHESYSJU-UHFFFAOYSA-N 2,3,4,5,6,7,8-heptahydroxyoctanal Chemical compound OCC(O)C(O)C(O)C(O)C(O)C(O)C=O ZEPAXLPHESYSJU-UHFFFAOYSA-N 0.000 claims 1
- 229920002472 Starch Polymers 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 150000002334 glycols Chemical class 0.000 claims 1
- 150000002386 heptoses Chemical class 0.000 claims 1
- 150000002402 hexoses Chemical class 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 150000002972 pentoses Chemical class 0.000 claims 1
- 150000004804 polysaccharides Polymers 0.000 claims 1
- 235000019698 starch Nutrition 0.000 claims 1
- 150000008163 sugars Chemical class 0.000 claims 1
- 150000003538 tetroses Chemical class 0.000 claims 1
- 150000003641 trioses Chemical class 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
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/62—Compositions for forming crevices or fractures
- C09K8/66—Compositions based on water or polar solvents
- C09K8/68—Compositions based on water or polar solvents containing organic compounds
- C09K8/685—Compositions based on water or polar solvents containing organic compounds containing cross-linking agents
Abstract
A cross-link delaying or retarding composition, a cross-linking system including the cross-link delaying or retarding composition, or a fracturing fluid including a cross-linking system and a cross-link delaying or retarding composition are disclosed along with methods for making and using the compositions.
Claims (13)
1. A cross-link delaying or retarding composition comprising one polyhydroxy or polyol compound or a plurality of polyhydroxy or polyol compounds.
2. A cross-link delaying or retarding composition comprising a monosaccharide, a disaccharide, a polysaccharide, a carbohydrate or mixtures or combinations thereof, provided that the polysaccharide and carbohydrates do not result in a significant increase in fluid viscosity due to intermolecular cross-linking.
3. A cross-linking system comprising:
a cross-linking effective amount of cross-linking composition and a delaying effective amount of a cross-link delaying or retarding composition, where the delaying effective amount is sufficient to delay cross-linking of a fluid including a cross-linkable material for a desired delay time and the cross-linking effective amount is sufficient to produce a desired viscosity increase in the fluid.
a cross-linking effective amount of cross-linking composition and a delaying effective amount of a cross-link delaying or retarding composition, where the delaying effective amount is sufficient to delay cross-linking of a fluid including a cross-linkable material for a desired delay time and the cross-linking effective amount is sufficient to produce a desired viscosity increase in the fluid.
4. A fracturing fluid comprising:
a hydratable polymer, a cross-linking amount of a cross-linking composition and a delaying amount of a cross-linking delaying or retarding composition, where the cross-linking amount is sufficient to result in a desired viscosity increase in the fluid and the delaying amount is sufficient to delay the cross-linking for a desired period of time.
a hydratable polymer, a cross-linking amount of a cross-linking composition and a delaying amount of a cross-linking delaying or retarding composition, where the cross-linking amount is sufficient to result in a desired viscosity increase in the fluid and the delaying amount is sufficient to delay the cross-linking for a desired period of time.
5. A method for fracturing a formation comprising steps of:
providing a fracturing fluid including a hydratable polymer, a cross-linking amount of a cross-linking composition and a delaying amount of a cross-link delaying or retarding composition, where the cross-linking amount is sufficient to result in a desired viscosity increase in the fluid and the delaying amount is sufficient to delay the cross-linking for a desired period of time, and injecting the fluid into a formation under conditions of temperature, pressure and time to result in a desired degree of formation fracturing.
providing a fracturing fluid including a hydratable polymer, a cross-linking amount of a cross-linking composition and a delaying amount of a cross-link delaying or retarding composition, where the cross-linking amount is sufficient to result in a desired viscosity increase in the fluid and the delaying amount is sufficient to delay the cross-linking for a desired period of time, and injecting the fluid into a formation under conditions of temperature, pressure and time to result in a desired degree of formation fracturing.
6. The method of claim 5, further comprising the step of:
introducing a breaking amount of a breaker into the formation during fracturing to break the viscosity of the fracturing fluid.
introducing a breaking amount of a breaker into the formation during fracturing to break the viscosity of the fracturing fluid.
7. A method for fracturing a formation comprising steps of:
providing a fracturing fluid including a hydratable polymer, a cross-linking amount of a cross-linking composition and a delaying amount of a cross-link delaying or retarding composition, where the cross-linking amount is sufficient to result in a desired viscosity increase in the fluid and the delaying amount is sufficient to delay the cross-linking for a desired period of time, injecting the fluid into a formation under conditions of temperature, pressure and time to result in a desired degree of formation fracturing, and introducing a breaking amount of a breaker into the formation during fracturing to break the viscosity of the fracturing fluid.
providing a fracturing fluid including a hydratable polymer, a cross-linking amount of a cross-linking composition and a delaying amount of a cross-link delaying or retarding composition, where the cross-linking amount is sufficient to result in a desired viscosity increase in the fluid and the delaying amount is sufficient to delay the cross-linking for a desired period of time, injecting the fluid into a formation under conditions of temperature, pressure and time to result in a desired degree of formation fracturing, and introducing a breaking amount of a breaker into the formation during fracturing to break the viscosity of the fracturing fluid.
8. The method of claim 5, 6 or 7, further comprising the step of:
injecting a proppant into the formation during fracturing, before breaking, during breaking or after breaking to prop open some of the fractures induced in the formation as a resulting of the fracturing step.
injecting a proppant into the formation during fracturing, before breaking, during breaking or after breaking to prop open some of the fractures induced in the formation as a resulting of the fracturing step.
9. A method for fracturing a formation comprising steps of:
providing a fracturing fluid including a hydratable polymer, a cross-linking amount of a cross-linking composition and a delaying amount of a cross-link delaying or retarding composition, where the cross-linking amount is sufficient to result in a desired viscosity increase in the fluid and the delaying amount is sufficient to delay the cross-linking for a desired period of time, injecting the fluid into a formation under conditions of temperature, pressure and time to result in a desired degree of formation fracturing, introducing a breaking amount of a breaker into the formation during fracturing to break the viscosity of the fracturing fluid, and injecting a proppant into the formation during fracturing, before breaking, during breaking or after breaking to prop open some of the fractures induced in the formation as a resulting of the fracturing step.
providing a fracturing fluid including a hydratable polymer, a cross-linking amount of a cross-linking composition and a delaying amount of a cross-link delaying or retarding composition, where the cross-linking amount is sufficient to result in a desired viscosity increase in the fluid and the delaying amount is sufficient to delay the cross-linking for a desired period of time, injecting the fluid into a formation under conditions of temperature, pressure and time to result in a desired degree of formation fracturing, introducing a breaking amount of a breaker into the formation during fracturing to break the viscosity of the fracturing fluid, and injecting a proppant into the formation during fracturing, before breaking, during breaking or after breaking to prop open some of the fractures induced in the formation as a resulting of the fracturing step.
10. The composition, system, fluid or method of any one of claims 1 to 9, wherein the polyhydroxy or polyol compounds are selected from the group consisting of mono-saccharides, di-saccharides, low molecular weight poly-saccharides, polyol oligomers, low molecular weight polyol polymers and mixtures or combinations thereof.
11. The composition, system, fluid or method of claim 10, the monosaccharides comprises trioses including 3 carbon atoms, tetrose including 4 carbon atoms, pentose including 5 carbon atoms, hexose including 6 carbon atoms, heptose including 7 carbon atoms, octose including 8 carbon atoms, nonose are monosaccharides including 9 carbon atoms, and monosaccharides with a larger carbon atom count, and mixture or combinations thereof.
12. The composition, system, fluid or method of any one of claims 1 to 11, wherein the polyhydroxy or polyol compounds are selected from the group consisting of glycols, saccharides or sugars, oligosaccharides, low molecular weight polysaccharides, low molecular weight carbohydrates, low molecular starches, low molecular weight hydroxypolymers, and mixtures or combinations thereof.
13. The composition, system, fluid or method of claim 12, wherein the saccharides or sugar comprise a single carbohydrate unit, disaccharide comprise two carbohydrate units, oligosaccharides comprise 3 to 10 carbohydrate units, and low molecular weight polysaccharide comprise 11-20 carbohydrate units.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/741,110 | 2007-04-27 | ||
| US11/741,110 US8158562B2 (en) | 2007-04-27 | 2007-04-27 | Delayed hydrocarbon gel crosslinkers and methods for making and using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2629765A1 true CA2629765A1 (en) | 2008-10-27 |
| CA2629765C CA2629765C (en) | 2012-02-21 |
Family
ID=39472270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2629765A Expired - Fee Related CA2629765C (en) | 2007-04-27 | 2008-04-24 | Delayed hydrocarbon gel crosslinkers and methods for making and using same |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8158562B2 (en) |
| AU (1) | AU2008201758B2 (en) |
| CA (1) | CA2629765C (en) |
| GB (1) | GB2448805B (en) |
| NO (1) | NO20081907L (en) |
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- 2008-04-22 AU AU2008201758A patent/AU2008201758B2/en not_active Ceased
- 2008-04-24 CA CA2629765A patent/CA2629765C/en not_active Expired - Fee Related
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| AU2008201758A1 (en) | 2008-11-13 |
| US8158562B2 (en) | 2012-04-17 |
| US20080269082A1 (en) | 2008-10-30 |
| GB2448805A (en) | 2008-10-29 |
| GB2448805B (en) | 2012-07-11 |
| CA2629765C (en) | 2012-02-21 |
| NO20081907L (en) | 2008-10-28 |
| AU2008201758B2 (en) | 2013-04-04 |
| GB0807009D0 (en) | 2008-05-21 |
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