Conoco, Tesco commercialize casing-drilling technology

Conoco Inc., Houston and Tesco Corp., Calgary, commercialized the Casing-Drilling process by signing a multiyear, multiwell contract, which they say is their first for Casing-Drilling services.The companies announced in February plans to build three new drilling rigs specifically designed to drill with casing, a technology that Tesco has been developing for the past 5 years. Tesco's Calgary facilities will build the rigs.Under the $30-million contract, Tesco will operate the three rigs for Conoco to perform a 2 year, development-drilling program in Conoco's South Texas Lobo natural gas trend.The companies expect the first rig to be operating by Sept. 1, 2002, with the other two ri...

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