The Permian Basin continues to serve as a testing ground for advanced well construction methods as operators pursue longer and more technically demanding wells. World Oil reports that SLB field deployments involving drilling fluids, rotary steerable systems, measurement-while-drilling tools, and digital workflows are improving the delivery of extended laterals. In several wells, a high-temperature fluid system maintained stable properties through 10,000-foot lateral sections, supported smooth casing runs, and reduced drilling-fluid costs by as much as 37%. These advances are especially relevant as modern horizontal drilling programs extend four miles or more and require tighter control of pressure, hole cleaning, and wellbore placement.
Performance gains were also recorded in the Midland and Delaware basins. An advanced rotary steerable system improved drilling speed by 48% in a Midland field trial and shortened the program by 2.9 days compared with nearby wells. In the Delaware, deployments reduced curve-drilling time by 43%, improved overall curve-and-lateral drilling speed by 50%, lowered cumulative tortuosity by 18%, and extended average run lengths by 60%. A purpose-built fluid system also helped operators drill four-mile laterals while meeting cost-per-foot and schedule targets below authorized spending levels. The results show how integrated equipment, real-time monitoring, and digital drilling tools can support more repeatable well delivery, stronger cost control, and improved project economics.
Source: World Oil
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