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The Role of Open Hole Memory Logging and Wireless Conveyance Systems in the Evaluation of Horizontal Wells

机译：裸眼记忆测井和无线传输系统在水平井评估中的作用

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摘要

Open hole formation evaluation logs are not run where thernperceived benefits are marginal. In many horizontal wells, thernbenefits are not fully assessed because cost and/or accessrndifficulties override other considerations. In these cases, subseismicrnlateral variations in reservoir properties can only berninferred - they are rarely measured. Small diameter batterypoweredrnlogging tools operating without a wireline haverncollected high quality data in a broad range of high anglernsituations. Wireless conveyance techniques are faster and saferrnthan wireline pipe conveyed logging, and have cost, accessrnand data quality benefits over logging while drilling (LWD).rnWireless tools have been conveyed in and on drill pipe, onrncoiled tubing without an electric line, and as part of a modifiedrncasing string. The tools can be deployed safely inrnunderbalanced wells.
机译：裸眼地层评价日志不会在获得的利益微乎其微的地方运行。在许多水平井中，由于成本和/或进入难度超过了其他考虑因素，因此并未充分评估其效益。在这些情况下，只能推断出储层物性的亚震侧向变化-很少测量到。小直径电池供电的测井工具无需电缆就能在各种高角度情况下收集高质量的数据。无线传输技术比有线管道传输测井更快，更安全，并且具有比随钻测井（LWD）更高的成本，访问权限和数据质量优势。rn无线工具已在钻杆内和钻具上传输，无电线的无油管也作为无线传输的一部分修改后的字符串。这些工具可以安全地部署在不平衡的井中。

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