曙一区古潜山油藏气体压锥化学堵水技术研究与应用

Reserach of Gas Pressure Water Coning Technology In Shuguang ⅠBuried Hill Reservoir

曙光油田曙一区古潜山油藏,构造上位于辽河断陷西部凹陷西斜坡中段。属于边底水和裂缝发育的块状稠油潜山油藏,具有油稠、底水能量充足、纵横向裂缝均发育等特点。底水锥进已成为制约该区块开发的主要矛盾。随着油井吞吐轮次的增加,现有技术的局限性日渐凸。气体压锥化学堵水技术,通过气体筛选,配方堵剂及现场施工参数的优化设计,可大幅度增加堵剂的作用半径,提高油井的采收率,改善区块整体开发效果。

Shuguang I oilfield buried hill reservoir area, the structure is located in Western Depression, Liaohe rift west slope in the middle. Belongs edge and bottom water and heavy oil fractured massive hill reservoir with oil thick, bottom water sufficient energy, longitudinal and transverse cracks are developed and so on. Bottom water coning has restricted the development of the principal contradiction in the block. With the increase of oil throughput rounds, the limitations of existing technologies increasingly convex. Gas coning chemical water shutoff technology, through the gas filtering, optimization formulations blocking agents and on - site construction parameters, can greatly increase the radius of action of blocking agent to improve the oil recovery factor to improve the overall development of the block effect.