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E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
E21B43/34—Arrangements for separating materials produced by the well
E21B43/40—Separation associated with re-injection of separated materials
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
C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
C09K8/582—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of bacteria
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
Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y02E50/00—Technologies for the production of fuel of non-fossil origin
Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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Engineering & Computer Science (AREA)
Mining & Mineral Resources (AREA)
Geology (AREA)
Chemical & Material Sciences (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Fluid Mechanics (AREA)
Physics & Mathematics (AREA)
Environmental & Geological Engineering (AREA)
Oil, Petroleum & Natural Gas (AREA)
Materials Engineering (AREA)
Organic Chemistry (AREA)
Preparation Of Compounds By Using Micro-Organisms (AREA)
Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Liquid Carbonaceous Fuels (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
1. A process for introducing microorganisms to carbonaceous material in an anaerobic environment, the process comprising: extracting formation water from a geologic formation; removing at least a portion of an extractable material from the formation water to make amended formation water; and introducing the amended formation water to the carbonaceous material.
2. The process of claim 1, wherein the extractable material comprises a hydrocarbon, carbon dioxide, or a sulfur compound.
3. The process of claim 1, wherein the process further comprises adding a growth enhancer to the amended formation water.
4. The process of claim 1, wherein the process further comprises adding an additional microorganism to the amended formation water.
5. The process of claim 1, wherein the anaerobic environment comprises the geologic formation from which the formation water is extracted.
6. The process of claim 1, wherein the anaerobic environment comprises a subterranean formation remotely located from the geologic formation.
7. The process of claim 1, wherein the carbonaceous material is selected from the group consisting of coal, oil, kerogen, peat, lignite, oil shale, tar sands, bitumen, and tar.
8. The process of claim 1, wherein the hydrocarbon removed from the formation water is selected from the group consisting of methane, propane, ethane, butane and oil.
9. The process of claim 1, wherein the formation water is extracted through a well bore formed in the geologic formation.
10. The process of claim 9, wherein the well bore was used previously to extract oil or natural gas from the geologic formation.
11. The process of claim 1, wherein additional water is introduced to the carbonaceous material following the introduction of the amended formation water.
12. The process of claim 11, wherein the additional water comprises unamended formation water.
13. A process for increasing biogenic hydrocarbon production in a geologic formation containing a carbonaceous material, the process comprising:
extracting formation water from the formation; removing at least a portion of one or more hydrocarbons from the formation water to make amended formation water, and reintroducing the amended formation water to the geologic formation.
14. The process of claim 13, wherein one or more microorganisms are present in the amended formation water.
15. The process of claim 13, wherein the one or more microorganisms include at least one species that is not indigenous to the geologic formation.
16. The process of claim 13, wherein the formation water is extracted through a first well drilled into the formation, and the amended formation water is reintroduced through a second well drilled into the formation.
17. The process of claim 13, wherein the first and second well are fluidly coupled by a conduit and pump that circulates the formation water from the first to the second well.
18. The process of claim 13, wherein the conduit diverts the formation water to an extraction unit where the hydrocarbons are removed, before transferring the amended formation water to the second well.
19. The process of claim 18, wherein the amended formation water leaving the extraction unit is transferred to an addition unit that adds at least one additive to the amended formation water before the conduit transfers the amended water to the second well.
20. The process of claim 13, wherein additional water is introduced to the geologic formation following the reintroduction of the amended formation water.
21. The process of claim 20, wherein the additional water comprises unamended formation water.
22. A process for transporting formation water between geologic formations, the process comprising: extracting the formation water from a first formation; removing at least a portion of a hydrocarbon from the formation water to make amended formation water; transporting the amended formation water to a second geologic formation; and introducing the amended formation water to the carbonaceous material in the second geologic formation.
23. The process of claim 22, wherein the amended formation water includes at least one microorganism that is not indigenous to the second geologic formation.
24. The process of claim 22, wherein the amended formation water is transported to the second geologic formation with a vehicle.
25. The process of claim 22, wherein the amended formation water is transported to the second geologic formation through a pipeline.
26. The process of claim 22, wherein additional water is introduced in the second geologic formation following the introduction of the amended formation water.
27. The process of claim 26, wherein the additional water comprises unamended formation water.
CA2611434A2005-05-032005-05-03Biogenic fuel gas generation in geologic hydrocarbon depositsExpired - LifetimeCA2611434C (en)
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