How oil

Substantially similar to terrestrial and submarine, submarine underwater case is more complicated to
Production of offshore oil expeller and extraction process is generally divided into two stages. Principles and methods of offshore exploration and exploration on land is basically the same, but also points the survey and exploration of two steps. Method is based on geophysical exploration and drilling exploration method based method, and its task is to construct proved oil and gas reservoirs, oil area and Reserves. Census is to start from the Geological Survey research, mainly through seismic, gravity and magnetic survey method machine for pellets and gas structures. Based on the census, using geophysical analysis to understand the distribution seabed underground rock, geological structure type, hydrocarbon traps, and thereby determine the exploration wells wells. Then, using the drilling exploration method to obtain geological data, analysis and evaluation to determine the geological structure whether oil, oil content and production value.