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    • 7. 发明申请
    • METHODS AND APPARATUS FOR PLANNING AND DYNAMICALLY UPDATING SAMPLING OPERATIONS WHILE DRILLING IN A SUBTERRANEAN FORMATION
    • 方法和装置,用于在下层形成过程中钻孔时的采样和动态更新
    • WO2010062635A3
    • 2010-07-22
    • PCT/US2009062303
    • 2009-10-28
    • SCHLUMBERGER CA LTDSCHLUMBERGER TECHNOLOGY BVPRAD RES & DEV LTDSCHLUMBERGER SERVICES PETROLSCHLUMBERGER HOLDINGSPOP JULIAN JCHANG YONG
    • POP JULIAN JCHANG YONG
    • E21B47/00
    • E21B49/08E21B21/08G05B13/048
    • Methods and apparatus for planning and dynamically updating sampling operations while drilling in a subterranean formation are described. An example method of planning a sampling while drilling operation for a subterranean formation includes identifying a plurality of processes and related parameters, the processes including drilling and sampling processes and the related parameters including drilling and sampling parameters. The example method also involves processing the parameters for each of the processes via a simulation engine to generate predictions associated with sampling the formation, the simulation engine including at least one of a wellbore hydraulics simulator, a mudcake simulator, a formation flow simulator, or a tool response simulator. The example method also involves ranking the predictions associated with sampling the formation based on at least one of a sample fluid quality, a sampling process duration, a sampling process efficiency or a cost of sampling, and planning the sampling operation based on the ranked predictions.
    • 描述了在地下地层钻探时规划和动态更新取样操作的方法和装置。 在对地下地层进行钻井操作时规划采样的示例性方法包括识别多个过程和相关参数,所述过程包括钻井和采样过程以及相关参数,包括钻井和采样参数。 该示例性方法还涉及通过模拟引擎处理每个过程的参数以产生与采样地层相关联的预测,所述模拟引擎包括井筒液压模拟器,泥饼模拟器,地层流动模拟器或 工具响应模拟器。 该示例方法还包括基于样本流体质量,采样过程持续时间,采样过程效率或采样成本中的至少一个以及基于排序的预测来规划采样操作中的至少一个来对与地层采样相关联的预测进行排序。