... Abstract Because today's oil and gas industry recognizes the value of coalbed methane (CBM) resources, CBM exploration and development activities, once uniquely North American, are now under way on a global scale. Many publications address technically recoverable resources (TRR) of CBM in small...

... Abstract Coalbed methane (CBM) produced from subsurface coal deposits, has been produced commercially now for over 30 years in North America, and relatively recently in Australia, China and India. Historical challenges to predicting CBM well performance and long-term production have included...

... Abstract Nitrogen coiled tubing fracturing is the predominant method for completing and stimulating dry coalbed methane (CBM) formations, such as the Horseshoe Canyon in the Western Canadian Sedimentary basin. A typical well has an average of 20 pay zones that are stimulated individually...

... agencies and industry clients. In addition to discussing the complexities of acoustical engineering practices this presentation will also cover the most significant points of ERCB Directive 038 and COGCC Noise Regulations. Coalbed methane (CBM), also know as natural gas in coal (NGC), is natural...

... presents results of a simulation study designed to evaluate the applicability of Arps’ [1945] decline curve methodology for assessing reserves in coalbed methane reservoirs. We simulated various coal properties and well/operational conditions to determine their impact on the production decline behavior...

... Thousand Leagues Under the Sea" in 1870 where he envisions submarines, "Robur the Conqueror" in 1886 where he describes the precursor of helicopters, and "The Mysterious Island" in 1875 where he wrote: Introduction coalbed methane cumulative production GEM model coal seam gas complex reservoir...

... ). It is expected that CBM will contribute significantly to future natural gas supply. Currently, it is contributing nearly 10% of the U.S. gas needs. WHAT IS COALBED METHANE? Coalbed methane (CBM) is a natural byproduct of the coalification process, which converts organic matter like wood, and peat to coal...

... ABSTRACT A number of laboratory studies on coalbed methane (CBM) have provided data for the relative permeability of coal to gas and water, which are needed to analyze CBM reservoirs, particularly in numerical simulation. The relative permeability curves of coal to gas and water are determined...

... material balance equation for dry coalbed methane reservoirs ( King, 1990 , 1993 ): By taking partial differentiation of the LHS of equation (1-a) with respect to time, will get: (1-a) p ¯ z * = p i z i * ( G − G p G ) (1-b) z...

... coalbed methane flow in porous media fluid dynamics coal seam gas coal bed methane complex reservoir production logging reservoir surveillance formation damage pressure transient analysis reservoir characterization university production monitoring spe 114954 production control explicit...

... simulation hydraulic fracturing coal bed methane reservoir characterization pressure transient testing coalbed methane flow in porous media production control psia annual technical conference pressure transient analysis bk model Introduction Decline curve analysis has been a widely used...

... material balance pseudotime spinner survey permeability coal seam gas production monitoring Clarkson coalbed methane production control analytical simulation drilling operation coal bed methane reservoir characterization shut-in pressure complex reservoir reservoir surveillance reservoir...

... Abstract Commercial CBM production is almost exclusively through reservoir pressure depletion (primary recovery). Enhanced coalbed methane recovery (ECBM), involving injection of pure N 2 /CO 2 or a mixture of the two, such as power plant flue gas, is a technology that has the potential...

... coal seam gas drillstem/well testing History coalbed methane Upstream Oil & Gas reconnaissance program coal bed methane Drillstem Testing information prospect Modeling & Simulation complex reservoir reservoir pressure gas content Pilot Test reconnaissance well...

... studies have evaluated the merits of CO2 disposal in high-rank coals. The objective of this research is to determine the technical and economic feasibility of CO 2 sequestration in, and enhanced coalbed methane (ECBM) recovery from, low-rank coals in the Texas Gulf Coast area. Our research included...

... Abstract Coalbed methane (CBM) reservoirs commonly exhibit two-phase flow (gas+water) characteristics, however commercial CBM production is also possible from single-phase (gas) coal reservoirs, as demonstrated by the recent development of the Horseshoe Canyon coals of western Canada...

... hybrid fracture-stimulation project where the coals are slightly overpressured. coalbed methane coal seam gas hybrid fracture treatment concentration stimulation sandstone hydraulic fracturing Upstream Oil & Gas Reservoir Information coal bed methane complex reservoir hybrid fracture...

... Abstract The purpose of this paper is to show how to estimate geomechanical parameters and subsidence during coalbed methane production using the petrophysical algorithm in an integrated flow model. The integrated flow model has been extended to model production of gas from coalbeds...

... , which can accelerate coalbed methane production, offsetting the cost of sequestration. There is considerable risk both geologically and in the engineering design that can make the large investments required for sequestration uneconomic. This paper describes a program of successive pilots that can...

... Abstract LogFAC fracture detection software was used as the primary exploration tool to delineate a potential coalbed methane reservoir in Tertiary age Ardley coals of the Scollard Formation near Red Deer, Alberta. Drill results show a methane saturated coal with an average of 5.8 millidarcies...