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Reserves estimation of coalbed methane

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Journal Articles
J Can Pet Technol 42 (11).
Paper Number: PETSOC-03-11-01
Published: 01 November 2003
... not only revealed the production characteristics of a coalbed methane well but also provided us with a method for forecasting future production rates. Subsequently, this technique can be used to estimate the gas reserves for a coalbed methane well as illustrated in the example well. Introduction Material...
Journal Articles
J Pet Technol 43 (12): 1424–1518.
Paper Number: SPE-22024-PA
Published: 01 December 1991
... economics. A statistical model quantifies economic risk on the basis of uncertainty in relevant geologic properties. Introduction The purpose of this paper is to discuss a methodology for the estimation and classification of reserves from coalbed methane reservoirs and to present a technique for determining...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, March 15–18, 1998
Paper Number: SPE-39985-MS
.... It is shown that despite the conservative estimates of the reserves, coal bed methane production from the Zonguldak Basin is a feasible project. P. 227 coalbed methane complex reservoir information simulation reserve estimate reserves evaluation upstream oil & gas zonguldak basin coal...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Asia Pacific Unconventional Resources Technology Conference, November 18–19, 2019
Paper Number: URTEC-198274-MS
... Reserve and formation evaluation are the basis to the development of coalbed methane (CBM) reservoirs. To date, material balance methods and productivity analysis methods are mainly used to estimate the reserve and permeability, respectively. However, there are lack of methods for determining...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 22–24, 2012
Paper Number: SPE-158835-MS
... to fracking. Production and Reserves Most coalbed methane or shale gas plays that have limited data, estimates of reserves or potential production are typically evaluated using rock properties or compared to resources in other basins. The Cherokee Bain is an example. It has been producing since...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 23–26, 1990
Paper Number: SPE-20667-MS
... of the Raton Basin is considered prospective for coalbed methane in the long term. Potentially commercial areas contain an estimated ultimate natural gas reserve of up to roughly 1 trillion cubic feet (TCF). An "average" Raton Basin coalbed methane well (30 feet of producible coal with a gas content of 250 SCF...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-169006-MS
... or the recovery factor from coalbed methane formations when the analysis year is greater than 25 years ( Fig. 20 ). As such, we chose a 25-year production history to estimate TRR of coalbed methane reservoirs. Fig. 1 Flow chart and generalized division of resources and reserves categories ( Dong et al...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, June 28–30, 1993
Paper Number: SPE-26195-MS
... found in large reserve in the of Northwest Java basin, especially in Talang Akar formation. some of the coalbed methane layers found in Talang Akar posses overpressure condition. In this formation, it is found that the vitrine reflectance of coal, ranges from 0.5% to 1.9%. The gas resources from coalbed...
Proceedings Papers

Paper presented at the CIPC/SPE Gas Technology Symposium 2008 Joint Conference, June 16–19, 2008
Paper Number: SPE-114992-MS
... of CBM in-place is estimated to be between 3,500 and 95,000 Tcf (100 and 272 trillion m 3 ) ( Anderson et al. , 2003 ). CBM potential of the USA, Canada and Australia are as follows: Abstract Coalbed Methane (CBM), also known as Coal Seam Gas (CSG) or Coal Seam Methane (CSM) in Australia is fast...
Proceedings Papers

Paper presented at the SPE Hydrocarbon Economics and Evaluation Symposium, April 11–12, 1991
Paper Number: SPE-22026-MS
... of coalbed wells in the general vicinity and a peculiar geo- logic feature. Coalbed methane basins in the United States are estimated to contain 400 TCF of gas-in-place, of which 90 TCF are consid- ered recoverable under exiqring and cur- rently emerging technologyl J. Figure 1 illustrates the location...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, October 21–22, 1999
Paper Number: SPE-57443-MS
... so widely used in the past there may be significant potential for large gas-in-place and reserve estimate gains in many existing coalbed gas fields. desorption measurement resource in place estimate reserves evaluation analysis procedure tuscaloosa coal seam gas accuracy coalbed...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 9–12, 1990
Paper Number: PETSOC-90-106
... in the Cedar HM, Northeast Blanco Unit, and Ignacio Blanco fields of the northern San Juan e of Colorado and New Mexico. Reservoir deliverabwty in these areas with significant coalbed methane re-eces and reserves is less influenced by thickness, depth, completion technique, and measured and inferred pressure...
Proceedings Papers

Paper presented at the Canadian International Petroleum Conference, June 17–19, 2008
Paper Number: PETSOC-2008-081
... porosity cleat permeability co 2 free gas recovery coal seam gas complex reservoir coal layer coal bed methane adsorbed gas estimation injection information permeability upstream oil & gas methane production thickness coalbed methane total gas Abstract Bartin-Amasra...
Proceedings Papers

Paper presented at the SPE Unconventional Gas Recovery Symposium, May 16–18, 1982
Paper Number: SPE-10802-MS
... figures and from deep corehole information, we can estimate the reserves lying at depths too great to be of commercial interest to mine operators. From this approach, the following estimates of coalbed methane resources were developed (in Tcf): Basin Maximum Minimum Northern Appalachian 80 Central...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 9–12, 1990
Paper Number: PETSOC-90-101
... NO. CIMISPE 90-101 THIS IS A PREPRINT - SUBJECT TO CORRECTION FORMATION EVALUATION OF EXPLORATION COALBED METHANE WELLS BY MoJ. Mavor J.C. Close Rasourc. Enlerprl&QS, ine_ A.A. McBano Gaa Rssaarch instilutG PUBUCATION RIGHTS RESERVED THIS PAPER IS TO BE PRESENTED AT THE INTERNATIONAL TECHNICAL MEETING JOINTLY...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 4–7, 1992
Paper Number: SPE-24889-MS
... DEVELOPMENT AND GAS MARKETS SPE 24889 are believed to exist in tight sands, coal seams and Devonian shales. Gas-in-place estimates commonly cited are in the range of 6,000+ Tcf for tight gas, 400+ Tcf for coalbed methane and 1,000+ Tcf for Devonian-age shales. Given the low permeability and limited continuity...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 16–18, 2000
Paper Number: SPE-64457-MS
... of the basin has been prioritised for converting about 15 billion cubic meters of coalbed methane resources to reserves. Additional 15 billion cubic meters of methane resources could be converted to reserves from the adjoining areas. reservoir characterization seam evaluation coalbed methane spe...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources Conference, November 15–17, 2011
Paper Number: SPE-148365-MS
... in place rogner tight sand gas shale gas coalbed methane probability distribution oil and gas tcf Introduction As the world reserves of liquid hydrocarbons from conventional reservoirs peaks and begins to decline, natural gas will play an increasingly important energy supply role. However...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 23–26, 1979
Paper Number: SPE-8357-MS
... of the natural gas supply. The Methane Recovery from Coalbeds Project has estimated the coalbed methane resource from 8.5 to 19.8 Tm3 (300 to 700 Tcf). This paper presents project progress in resource verification, research and development, and technology systems tests. The resource verification activities...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-107308-MS
... Abstract Coalbed methane has become a significant source of U.S. natural gas production, contributing 9% of the country's supply and 10% of its proved reserves. The most active coalbed methane area is the Powder River basin of eastern Wyoming, with more than 20,000 wells completed in the last...

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