as well as in workover jobs that require data transmittal Wireline Logs First developed by Conrad and Marcel Schlumberger in 1927, wireline logs measure formation properties in a well through ...

Schlumberger secures major drilling contracts ... drilling and completions fluids, completions, and wireline services. Last month, SLB disclosed that its OneSubsea joint venture won a contract ...

including wireline services, production testing, and logging-while-drilling. SLB, formerly known as Schlumberger, is the largest oilfield services provider in the world, with a product portfolio ...