A project in which existing 7-in. liners were tied back to surface then cemented stopped casing leaks in the Sarir and Messla oil fields in Libya. Many wells operated by Arabian Gulf Oil Co (AGOCO) in ...

Repair of a casing leak on a well in the Magid field in eastern Libya required engineers to examine multiple scenarios for what may have caused the failure. Repair of a casing leak on a well in the ...

Coiled tubing (CT) is a rig-less, live-well capable conveyance and pumping system used to safely kill wells, clean out debris, accurately place permanent barriers, remediate annular leaks, and verify ...

Concerns over hydraulic fracturing (fracking) shale deposits 10,000 feet to 15,000 feet below the earth’s surface gave rise to much US research into the potential for groundwater contamination. For a ...