Publications

Deepwater projects by nature are in complex environments and face multiple challenges, both technically and logistically. Not allowing shortcuts to success, clearly any technology helping to mitigate risks and increasing efficiency and reliability should be embraced. Eni Indonesias recent exploration campaign in the Kutei Basin is an excellent example of technology integration to minimize timescales and costs while improving efficiency in deepwater well construction and prospect identification and evaluation. The use of proven logging-while-drilling (LWD) technology enables drilling optimization and confident well placement and leads to a full acquisition for the final reservoir characterization.In deepwater exploration there are few chances to do things over, therefore, the chosen suite of logging tools must provide and satisfy multiple applications. A standard real-time triple combo delivers value for correlation purposes and quicklook analysis. A seamless data stream is essential for performing related real-time services such as pore pressure prediction.In highly deviated sections, formation pressure while drilling (FPWD) allows to understand the reservoir pore pressure regime in real time while simultaneously measuring fluid gradients. Not to be forgotten is the simple aspect of data assurance in cases of borehole integrity issues or borehole degradation over time.If the well does not allow further logging, LWD acquisition remains the kernel for interpretation, if the well is intact, the LWD base acquisition helps to finalize the complimentary wireline logging. Stateof- the-art LWD technology provides bit resistivity for instantaneous coring point selection to ensure full core sections by avoiding drilling too deeply into the prospect. The multifunction logging tool introduces spectroscopy and sigma into the LWD arena, completing the reservoir matrix and fluid evaluation.Using complementary logging technologies builds confidence by combining datasets based on measurements instead of acquisition conveyance. This integration of data, processes, and interpretation techniques added a new dimension to the reservoir characterization of four successfully drilled and fully evaluated deepwater wells.