This bit cuts through layers of rock, creating a borehole lined with steel casing to prevent collapse. Tertiary Recovery: Advanced Technology Unlocks Reserves Thermal and Chemical Enhanced Methods To access the remaining 60% to 70% of oil that is difficult to reach, the industry employs tertiary, or enhanced oil recovery (EOR), techniques.
From Drilling to Pumping: The Crude Oil Extraction Pathway
Surface Operations: Separating the Raw Materials Once the oil reaches the surface, it does not emerge as pure liquid. The gas is captured and can be used to power the extraction equipment or sent via pipeline.
Similarly, gas injection, often using natural gas or carbon dioxide, reduces the viscosity of the oil, making it flow more easily to the extraction point. The Drilling Process: Reaching the Reservoir Regardless of the recovery stage, the physical act of drilling is the critical first step in accessing crude oil.
From Drilling to Pumping: The Crude Oil Extraction Pathway
This stage involves injecting substances back into the reservoir to displace the oil. Environmental and Safety Considerations Modern extraction practices are governed by strict regulations to protect workers and the environment.
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