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Title: Biogenic methane production enhancement systems

Patent ·
OSTI ID:1531659

Systems for enhanced in-situ or perhaps even ex-situ biogenic methane production from hydrocarbon-bearing formations (1) including coal seam, oil shale, coal, coal derivates and the like are presented in embodiments such as but not limited to: increasing and perhaps even selection of microbial populations (2), amending CBM water and other microbe-containing media, diminishing sulfate reduction competition, enhancing organic matter concentrations and generation of biogenic methane (10), universally treating hydrocarbon-bearing formations, and introducing amendments (3) to hydrocarbon-bearing formations.

Research Organization:
Univ. of Wyoming, Laramie, WY (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FC26-98FT40322
Assignee:
University of Wyoming Research Corporation (Laramie, WY)
Patent Number(s):
7,832,475
Application Number:
11/990,417
OSTI ID:
1531659
Resource Relation:
Patent File Date: 2006-08-14
Country of Publication:
United States
Language:
English

References (23)

Process for Producing Product from Fossil Fuel patent July 1974
Foam transport process for in-situ remediation of contaminated soils patent April 2001
High-yield methane production process by culture of Methanobacterium thermoautotrophicum or any other methanogenic bacterium having the same physiological growth properties patent November 1989
Biochemically reacting substrates in subterranean cavities patent July 1989
Isolation of expressed genes in microorganisms patent July 2000
Process for stimulating microbial activity in a hydrocarbon-bearing, subterranean formation patent April 2003
Extremely halophilic methanogenic archaebacteria patent September 1994
Method for the in-situ extraction of gas from coal seams patent June 2003
In situ biological beneficiation of peat in the production of hydrocarbon fuels patent November 1982
Method of sequestering carbon dioxide while producing natural gas patent-application October 2004
Method for microbially decomposing organic compounds and method for isolating microorganism patent July 1999
Biological production of humic acid and clean fuels from coal patent September 1997
Controlled-release microbe nutrients and method for bioremediation patent August 1994
Process for recovering and upgrading hydrocarbons from oil shale patent April 1979
Method for in situ biological conversion of coal to methane patent June 1995
Generation of Hydrogen from Hydrocarbon Bearing Materials patent-application October 2007
Streamlined methane gas generation system patent-application March 2005
Production of Methane by Bacterial Action patent February 1972
Method for enhancing methane production from coal seams patent-application April 2005
Method for stimulating a coal seam to enhance the recovery of methane from the coal seam patent February 1996
Method of generating and recovering gas from subsurface formations of coal, carbonaceous shale and organic-rich shales patent-application February 2004
Biochemically reacting substrates in subterranean cavities patent May 1989
Method for recovering methane from a solid carbonaceous subterranean formation patent October 1996

Cited By (6)

Method for optimizing in-situ bioconversion of carbon-bearing formations patent February 2016
Process for enhancing biogenic methane production from a carbonaceous material using a nutrient composition with low nitrogen/high phosphorus concentrations patent October 2017
In situ methanogenesis modeling and risk analysis patent March 2019
Methods for increasing methanogenesis in subsurface reservoirs patent November 2015
Well treatment fluids containing an ylide or a vitamin B and methods of using the same patent July 2015
Biogasification of coal to methane and other useful products patent August 2015

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