Optimized fluids improve production in Tarim horizontal wells

Lijun You Yili Kang Southwest Petroleum University Chengdu Zhangxin Chen University of Calgary Calgary Xiao Niu Faqiang Luo Sinopec Northwest Co. Urumqi China Based on a presentation to the SPE European Formation Damage Conference and Exhibition, June 5-7, 2013, Noordwijk, the Netherlands. Well productivity is reduced by formation damage caused by drilling fluids, especially in horizontal wells. The mechanisms, consequences, and remediation technologies of formation damage have been studied in depth over the years. However, the damage to Triassic, high-permeable reservoirs—in which horizontal drilling is used to great effect—has received little attention. Generally, this is because h...

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