Drilling Oilfield Drilling Oilfield typically refers to the process of drilling wells to extract oil and gas from underground reservoirs in an oilfield. Here's a concise overview of how oilfield drilling works 1. Site Preparation Survey and permits: Geological surveys and environmental clearances are conducted. Land clearing: The area is cleared and leveled. Roads and infrastructure: Access roads and utilities are built. 2. Drilling Rig Setup Rig types: Land rigs, offshore rigs, or specialized r