钻井液用白色有机正电胶的开发与应用
Advances in Fine Petrochemicals(2008)
Abstract
与常规无机正电胶相比,新开发的白色有机正电胶(WPS)具有更强的正电性,能被水润湿分散,具有油溶性,与其他钻井液处理剂的配伍性好,具有更强的页岩抑制性、稳定井壁和保护油气层能力。白色有机正电胶聚合物钻井液体系分别在中原油田 P7-149、P2-侧508井等处进行了现场试验,取得了较好的现场应用效果,且具有较好的保护油气层效果。
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Key words
application,reservoir formation protection,drilling fluid additive,white organic positive sol,inhibiting property
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