P.E. Pilkington Conoco Inc. Houston Evaluating cement between two strings of casing can be a problem. The signal from the outer string of casing can interfere with amplitude measurement if the inner ...

The other day, I received an email from a representative of an international oil company, which is wholly owned by the government and reports to the Department of Energy. The email contained this ...

A study compared the cement casing standards of intermediate and production casing strings with analogous cement casing operations in Iran. Well integrity testing is vital in well design, construction ...

NEW ORLEANS, May 23 (UPI) -- Experts say flaws in a cement encasement meant to seal the BP well in the Gulf of Mexico may have caused the April 20 explosion, the Los Angeles Times reported. At least a ...

Once a well has been drilled, if it is to become a production well, the well must undergo completion. While drilling a well cuts through the rock formations and allows drilling engineers to reach the ...

CALGARY, Alberta--(BUSINESS WIRE)--NCS Energy Services introduced today a closable version of the company’s GripShift cemented casing sleeve, a new addition to the Multistage Unlimited frac-isolation ...

Cement is a mixture of several different types of rocks, crushed and heated to very high temperatures, and then ground to a superfine dust to use in the production of concrete. Typically, cement ...

Conductor casing Conductor casing is the first string set below the structural casing (i.e., drive pipe or marine conductor run to protect loose near-surface formations and to enable circulation of ...