October 1999
Industry At A Glance
99-10_casing-tarr_fig1.html (Oct-1999)
A monthly magazine offering industry news, statistics and technical editorial to the oil and gas drilling, exploration and production industry.
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Schematic drawings and principal equipment features of nine proposed classifications of Casing-While-Drilling (CWD) downhole assemblies, including both No Casing Rotation (NCR) and Casing Rotated (CR) systems. |
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Copyright © 1999 World Oil
Copyright © 1999 Gulf Publishing Company
