135658 ⎘
Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells Gasification of minerals, e.g. for producing mixtures of combustible gases
METHODS FOR MICROBIAL GAS PRODUCTION AND USE AS ISOTOPIC TRACER
#2UNDERGROUND COAL GASIFICATION AND ASSOCIATED SYSTEMS AND METHODS
#3IN-SITU LARGE-AREA DRILLING AND FURNACE CONSTRUCTION METHOD FOR COAL GASIFICATION AND CO-MINING OF KEROSENE AND/OR COALBED METHANE
#4SYSTEM AND METHOD FOR ENERGY AND RESOURCE EXTRACTION WITH REDUCED EMISSIONS
#5METHODS OF GENERATING HYDROGEN IN A SUBSURFACE FORMATION
#6System and method for energy and resource extraction with reduced emissions
#7In-Situ Hydrogen Generation and Production From Petroleum Reservoirs
#8METHOD FOR REMINING RESIDUAL COAL PILLAR IN RESIDUAL MINING AREA BY COLLABORATION OF PILLAR-SIDE BACKFILLING AND IN-SITU GASIFICATION
#9SUITABILITY EVALUATION METHOD FOR DEVELOPING UNDERGROUND COAL GASIFICATION ENGINEERING BY UTILIZING DEEP COAL SEAM
#10METHODS FOR MICROBIAL GAS PRODUCTION AND USE AS ISOTOPIC TRACER
#11Method and systems for subsurface carbon capture
#12Process for controlled in-situ coal gasification and a filling device to operate the same
#13Thermal recovery construction method
#14INTEGRATED METHOD AND STRUCTURE FOR IN-SITU HYDROGEN PRODUCTION FROM COAL SEAMS AND COALBED METHANE EXPLOITATION
#15Underground gasifier pre-control structure, gasifier and gasification method
#16Underground coal gasification and associated systems and methods
#17Methods for microbial gas production and use as isotopic tracer
#18Underground coal gasification and associated systems and methods
#19Efficient gas hydrate production system using flue gas waste heat / solar absorption heat pump to compensate reservoir heat
#20System and apparatus for spallation drilling
#21Exploiting structure for natural gas hydrate reservoir and exploiting method for natural gas hydrate by injecting hydraulic calcium oxide via gas fracturing
#22In-situ process to produce hydrogen from underground hydrocarbon reservoirs
#23System and apparatus for spallation drilling
#24Process to produce hydrogen from underground geothermal reservoirs
#25Nozzle and injection device for use in underground coal gasification process and method for operating injection device
#26Ignition device for underground coal gasification process, and applications thereof
#27Production well apparatus for underground coal gasification and use thereof
#28Oxidizing agent injection equipment for underground coal gasification process and application thereof
#29System and apparatus for spallation drilling
#30COMPOSITIONS AND METHODS FOR IDENTIFYING AND MODIFYING CARBONACEOUS COMPOSITIONS
#31Compositions and methods for identifying and modifying carbonaceous compositions
#32Igniting underground energy sources
#33Igniting underground energy sources using propellant torch
#34Subterranean gasification system and method
#35Method for shortening an injection pipe for underground coal gasification
#36Method for increasing gas recovery in fractures proximate fracture treated wellbores
#37NOZZLE AND UNDERGROUND COAL GASIFICATION METHOD
#38UNDERGROUND GASIFICATION IGNITION METHOD
#39UNDERGROUND COAL GASIFICATION FURNACE AND UNDERGROUND COAL GASIFICATION METHOD
#40GAS INJECTION APPARATUS WITH CONTROLLABLE GAS INJECTION POINT, GAS INJECTION PROCESS, AND GASIFICATION METHOD
#41Method for producing synthetic gas by using solid acid
#42Method for recovering methane gas from natural gas hydrate by injecting CO2 and air mixed gas
#43Underground coal gasification well liner
#44UCG channel
#45System and apparatus for geothermal pyrolysis
#46ULTRASONIC WELLBORE DEWATERING DEVICE, SYSTEM AND METHOD
#47Method for optimizing in-situ bioconversion of carbon-bearing formations
#48DISPERSION OF COMPOUNDS FOR THE STIMULATION OF BIOGENIC GAS GENERATION IN DEPOSITS OF CARBONACEOUS MATERIAL
#49Method for shortening an injection pipe for underground coal gasification
#50Compositions and methods for identifying and modifying carbonaceous compositions
#51Method and apparatus for increasing the yield in a deposit
#52IN-SITU ELECTRICAL STIMULATION OF BIOCONVERSION OF CARBON-BEARING FORMATIONS
#53Method for optimizing in-situ bioconversion of carbon-bearing formations
#54In situ methanogenesis modeling and risk analysis
#55Methods for assessing a temperature in a subsurface formation
#56Method for recovering energy in-situ from underground resources and upgrading such energy resources above ground
#57Device for the thermal stimulation of gas hydrate formations
#58Method for optimizing in-situ bioconversion of carbon-bearing formations
#59PRODUCTION OF NATURAL GAS FROM HYDRATES
#60Harvesting hydrocarbons from coal, shale, peat and landfill seams
#61PRODUCTION OF NATURAL GAS FROM HYDRATES
#62Method of Using the Earth Mantle Substance for Hydrogen Production
#63Production of natural gas from hydrates
#64Production of natural gas from hydrates
#65Process and device for the thermal stimulation of gas hydrate formations
#66Production of natural gas from hydrates
#67Systems and methods for fuel-gas blending