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Abstract

Al-Khafji Joint Operations is developing the offshore Khafji Field in the X-Neutral Zone by drilling horizontal wells. These<br>wells encounter shale formations namely Ahmadi Shale and Wara Shale before reaching the pay zones, and Intermediate<br>Shale between KB-1 and KB-2 Sands. While drilling these shale formations, severe time-dependent wellbore instability<br>problems due to shale sloughing were experienced. These problems have led to several stuck pipes and sidetracks.

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/content/papers/10.3997/2214-4609-pdb.151.iptc13541
2009-12-07
2021-01-23
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609-pdb.151.iptc13541
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