斯伦贝谢随钻仪器 IriSphere look-ahead-while-drilling service--SLB.pdfVIP

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斯伦贝谢随钻仪器 IriSphere look-ahead-while-drilling service--SLB.pdf

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IriSphere Look-ahead-while-drilling service APPLICATIONS IriSphere* look-ahead-while-drilling service combines deep directional measurements with ■ Vertical and deviated wells advanced automated inversion to accurately detect formation features ahead of the bit and land ■ Improved casing seat selection wells while managing drilling risks, optimizing casing placement and coring location. The look-ahead capability is delivered while drilling in real time by using multifrequency transmitter and multireceiver ■ Salt navigation directional subs. Electromagnetic (EM) signals are sent from the transmitter into the formation and ■ Optimized coring location retrieved by the receivers to enable the enhanced look-ahead sensitivity and resistivity profiles. ■ Ahead-of-the-bit detection of Operators can now drill ahead with confidence and reduce drilling uncertainties in real time. ● Formation tops Applications include detection ahead of the bit of formation features with potential pressure ● Early pressure transition differentials for integration in a standard pore pressure prediction workflow. Penetrating a ● Formation stringers high-pressure reservoir might result in stuck pipes, lost circulation, and other potential ● Fluid contact wellbore instability issues. BENEFITS