Shallow Gas Standards
Shallow gas is defined as the gas encountered at such a depth that shut- in of the well cannot be carried out due to the potential for break down of the conductor shoe.This document provides the minimum requirements for operations (onshore and offshore) in areas with a high risk of shallow gas. A detailed procedure shall be prepared for each specific well specifying the procedures to be taken to mitigate the risk of shallow gas flows.
PLANNING
- A shallow seismic survey shall be carried out at any new location to determine the . . .