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1. WO2006099399 - DETERMINATION OF COAL BED NATURAL GAS PRODUCTION FACTORS AND A SYSTEM TO DETERMINE SAME

Publication Number WO/2006/099399
Publication Date 21.09.2006
International Application No. PCT/US2006/009087
International Filing Date 14.03.2006
IPC
E21B 47/10 2012.01
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
47Survey of boreholes or wells
10Locating fluid leaks, intrusions or movements
CPC
E21B 43/006
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
43Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
006Production of coal-bed methane
E21B 47/10
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
47Survey of boreholes or wells
10Locating fluid leaks, intrusions or movements
E21B 49/087
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
49Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
08Obtaining fluid samples or testing fluids, in boreholes or wells
087Well testing, e.g. testing for reservoir productivity or formation parameters
G01V 9/007
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS
9Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00
007by detecting gases or particles representative of underground layers at or near the surface
Applicants
  • WELLDOG, INC. [US]/[US] (AllExceptUS)
  • POPE, John [US]/[US] (UsOnly)
  • COX, rick [US]/[US] (UsOnly)
  • BUTTRY, Daniel [US]/[US] (UsOnly)
Inventors
  • POPE, John
  • COX, rick
  • BUTTRY, Daniel
Agents
  • ACKERMAN, William
Priority Data
60/661,15214.03.2005US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) DETERMINATION OF COAL BED NATURAL GAS PRODUCTION FACTORS AND A SYSTEM TO DETERMINE SAME
(FR) DETERMINATION DE FACTEURS DE PRODUCTION DE GAZ NATUREL DE HOUILLE ET SYSTEME PERMETTANT D'EFFECTUER UNE TELLE DETERMINATION
Abstract
(EN)
This invention relates to a method and system of determining gas content, critical desorption pressure, and/or other reservoir and operational variables, referred to as production factors, for coalbed natural gas wells. In particular, this invention relates to a method and system for measuring a partial pressure of methane or a predictor substance or a methane concentration for a coalbed natural gas reservoir and determining production factors therefrom.
(FR)
L'invention concerne un procédé et un système permettant de déterminer la teneur en gaz, la pression de désorption critique et/ou des variables de réservoir et fonctionnelles, définies comme facteurs de production, pour des puits de gaz naturel de houille. Plus précisément, l'invention concerne un procédé et un système permettant de mesurer la pression partielle de méthane ou une substance prédictrice ou une concentration en méthane pour un réservoir de gaz naturel de houille et de déterminer des facteurs de production à partir de ceux-ci.
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