Extraction and Chromatographic Analysis of Gases Dissolved in Water Base Mud

Three water base mud samples (HW-1, HW-2 and HW-3) were collected from Hellenic Egyptian Petroleum Company in Al-Keram-1x at different Reservoir depths 3666 m, 3393 m and 3304 m respectively. The gases dissolved in theses water samples were extracted through lowering the Reservoir Pressures for each water sample. The gas water ratio was determined by counting the volumes of water and extracted gas using gas meter. The extracted three gas samples were analyzed using gas chromatography for complete composition of gas samples. The calculation of molecular weight and relative density were achieved depending on the gas composition analysis. In addition to the calculation of gross and net Calorific heat Values for each gas samples according to the standard method ASTM.