Lijun You Yili Kang
Southwest Petroleum University
University of Calgary
Xiao Niu Faqiang Luo
Sinopec Northwest Co.
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...