What is “Background Gas”?

While we are drilling, there is a stable gas reading that is not connected with either bottoms up gas or drilled gas is generally called “Background Gas”. The background gas always shows every time while drilling and it is not a sign of considerable risk to well control situation. Nevertheless, we must always check changes in background gas value because it is able to help recognize underbalance situation while drilling, especially drilling into high pressure zone.

Remember – PLEASE ALWAYS KEEP TRACKING YOUR BACKGROUND GAS

Reference book: Well Control Books

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