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新立油田新218区块在1993年投入开发,2005年进行井网调整以来,区块油田产量大幅度提高,但随着区块进入“双高”开发阶段,区块稳产状况逐年变差。而新218区块有丰厚的地下资源,为此我们开展了地质特征再认识与深化水驱规律研究工作。在取得“两水井间存在有剩余油”认识的基础上,开展水井排井间加密试验。
The Xin 218 block of Xinli Oilfield was put into operation in 1993. Since the adjustment of the well pattern in 2005, the output of the block oil fields has been greatly increased. However, as the block enters the development stage of “double high”, the steady state of the block changes year by year difference. The New 218 block has rich underground resources, so we carried out the geological characteristics of the re-understanding and deepening of water law research. On the basis of obtaining the understanding that there is remaining oil between two water wells, we carried out an encryption test between wells.