Paradigm Drilling Services Ltd Camiestone Road, Thainstone, Inverurie, Aberdeenshire, AB51 5GT Tel: +44 (0)1224 725888 drilling@paradigm.eu www.paradigm.eu/drilling Case Study Paradigm Drilling Torque Reduction Subs reduce torque and improve ROP - Delivering Outstanding Drilling Performance Overview An operator in the Arabian Gulf had a 4 development well drilling program, with 8 1/2” hole sections ranging 800 - 950 meters in length, with final inclinations up to 65 degrees and drilled to a total depth of approximately 5000 meters. Challenge Previous experiences were characterised by erratic and high drilling torque. The erratic torque effectively decreased drilling efficiency by reducing the ability to apply weight and consequently decreasing ROP. Maximum torque was limited by

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