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裂缝性低渗透油藏是我国的一类主要油藏,随着石油需求的增大,对这类油藏的开采得到了广泛关注。本文首先对这类油藏的定义、特性以及开采难度进行了简要介绍,然后对不稳定性注水技术在裂缝性低渗透油藏开采中的应用原理、相关参数选择以及能够提升油藏采收率的原因进行了讨论与研究。
Fractured low-permeability reservoirs are a kind of major reservoirs in our country. With the increase of petroleum demand, the exploitation of such reservoirs has been widely concerned. In this paper, the definition, characteristics and difficulty of exploitation of these reservoirs are briefly introduced. Then the application of unstable waterflooding technology in fractured low permeability reservoirs, the choice of relevant parameters and the ability to enhance oil recovery The reasons for the discussion and research.