孤岛油田 Ng1 + 2油层含油面积 37.2 km2 ,地质储量 2 73× 1 0 5t;油藏埋深 1 　1 30～ 1 　1 90 m,平均厚度 4.6m;油层主要由一套粉砂和细粉砂岩组成 ,粒度中值 0 .0 6～ 0 .1 6mm,胶结疏松 ,泥质含量9.9%。在生产中油层易出砂 ,绕丝筛管堵塞严重 ,致使产能低下 ,急需处理。1 Gudao Oilfield oil layer Ng1 + 2 oil area of ​​37.2 km2, the geological reserves of 2 73 × 105t; reservoir depth of 1130 ~ 1190m, the average thickness of 4.6m; reservoir is mainly composed of a set of silt and fine siltstone , The median size of 0. 0 6 ~ 0 1 6mm, loose cement, mud content of 9.9%. Oil production in the production of sand, wire sieve plugging serious, resulting in low productivity, urgent need to deal with. 1