1887

Abstract

Summary

Middle Marrat is a primary Jurassic tight carbonate reservoir with enhanced porosities granted by crystalline dolomites and homogeneous gamma/resistivity response, which means geosteering with traditional LWD methods in this formation is a challenge; a new approach is necessary in this case.

Detailed geochemical characterization using XRF/XRD analysis from cuttings, advanced gas analysis (C1-C8), and LWD logs are all integrated in real-time using StarSteer, a powerful software solution which allows visualizing, interpret and integrate all the geosteering techniques (Model-Based, Strat-Based, Multi-well and Multi-log) in one window simultaneously.

Using this method, it was possible to land, navigate, and reach well TD safely along 965 ft of horizontal section with 97% inside the objective, giving the client better information to make decisions in real-time and save costs avoiding incurring in additional delays.

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/content/papers/10.3997/2214-4609.202131007
2021-03-01
2024-04-24
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References

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