Drilling & WellsVerified
EBOS meaning in oil and gas
EBOS means Emergency Back-Out Sub. A sub sometimes run in a casing string, which will allow the retrieval, re-space out, re-running and re-connection of the casing string above it. This could be required when a casing…
Definition
Emergency Back-Out Sub
A sub sometimes run in a casing string, which will allow the retrieval, re-space out, re-running and re-connection of the casing string above it. This could be required when a casing string gets stuck off bottom.