14+ Oil And Natural Gas Extraction US. Miscible gasses dissolve co2, propane, methane or other gasses in the oil to lower its viscosity and increase flow. The gas expands, pushing the oil to the surface.
There are two principle techniques for removing ngls from the natural gas stream:
A short animation explaining how gas is being traditionally extracted. In this inhospitable environment, extracting oil and gas is more difficult, as an oil rig that can be anchored to the sea bed, is required. Hydrogen sulphide is an extremely toxic, colourless, flammable gas which is heavier than air and soluble in water. Geologists and geophysicists use seismic surveys to search for geological structures that may form oil reservoirs.