Under Sand & Silt Rock
Propane is a gas and usually is found by mixing natural gas and deposits of petroleum.
Natural Gas
Underground.
Natural gas, CH4, is mainly known as methane; it is certainly a gas and usually it is from a natural source.
Helium is usually found in natural gas deposits underground. It is produced as a byproduct of the natural decay of radioactive elements, mainly uranium and thorium, which release helium gas as they break down.
If your question is "Is natural gas often found where crude oil is found?" then the answer is yes.
If your question is "Is natural gas often found where crude oil is found?" then the answer is yes.
Natural gas can be found in multiple states in the United States, with major production regions including Texas, Pennsylvania, Oklahoma, Louisiana, and Wyoming. Additionally, natural gas can be found in many other states throughout the country.
Natural Gas
Crude oil is found below natural gas reservoirs.
The natural gas is methane - CH4.
Gas is found underground and typically associated with oil deposits. It can be extracted through drilling wells in natural gas fields. Natural gas can also be found in underground shale formations or coal beds.