1. Initial segment
of relief well installed.
2. Relief well nears leaking well during drilling.
3. Relief well passes eaking well to identify its location.
4. Relief well drilled next to
leaking well for easier to intercept.
5. The relief well is drilled through the leaking well. Mud and other fluids are pumped into the well to ‘kill’ it and stop the flow of gas. Cement is then pumped into the well to plug it.
Source: Southern California Gas Co.