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对裂缝性储藏,许多钻井问题都是由于裂缝大,发生严重钻井液漏失造成的。在高度枯竭地层的钻进过程中,钻井液的过度漏失是一棘手问题。Quintana J L,Ivan C D和Blake L D开发了一种防止钻井液向地层漏失的aphron基钻井液。该钻井液,利用特定的表面活性剂和聚合物产生微泡(即aphron)微泡完全被包裹
For fractured reservoirs, many drilling problems are caused by large fractures and serious loss of drilling fluid. Over-leakage of drilling fluid is a thorny issue during drilling in highly depleted formations. Quintana J L, Ivan C D and Blake L D developed an aphron-based drilling fluid to prevent fluid loss into the formation. The drilling fluid, using a specific surfactant and polymer to generate microbubbles (ie, aphron) microbubbles completely wrapped