摘要
油气井防砂工具素有"油井之肾"之称。尤其是储层为疏松泥质砂岩,前期研究结果表明对于这种储层必须采取先期防砂才能投产,防砂工艺主要存在两个难点:(1)粒度分布不均匀,d40/d90>6.5;(2)防砂井防砂段长施工难度大。因此开展了免充填防砂工艺技术研究。
Oil and gas well sand control tool known as the "well of the kidney" said. In particular, the reservoir is loose argillaceous sandstone, and the preliminary research results show that sand control must be carried out in advance for such a reservoir before it can be put into production. There are two major difficulties in sand control technology.(1)Uneven particle size distribution, d40/d90>6.5.(2)Great difficulty in sand control well sand control section construction.Therefore,the research on sand control technology without filling was carried out.
引文
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