扶余油田油层水淹特征及堵水技术

Reservoir waterflooding characteristics and water plugging technology in Fuyu Oilfield

刘沛玲 潘兆光 陈光新 于德军 李丽辉 宋艳茹

吉林油田分公司扶余采油厂，吉林  松原  138000

Fuyu Oil Production Plant, Jilin Oilfield Company, CNPC, Songyuan 138000, China

扶余油田是一个已开发40多年的老油田，经过近几年的井网调整，目前含水率达到86.55%，可采储量采出程度达到72.1%，油田总体进入高含水、高采出阶段，油层的非均质性影响给油田上产和稳产带来了很大困难。通过对油层水淹特征的认识，结合堵水实践，目前已形成了堵水系列配套技术。生产实践表明：这些技术的应用，有效指导了老油田控制含水率上升速度、优化注采结构、减缓开发矛盾、控制无效注水、提高地下存水率，为老油田稳产上产和效益开发积累了宝贵经验。

As a maturing oilfield, Fuyu Oilfield has been developed over 40 years. At present, the water cut has reached 86.55% and the recovery degree of recoverable reserves has attained 72.1%after the well pattern adjustment in recent years. The oilfield comes into a stage of high water cut and high percent of recovery. The influence of reservoir heterogeneity results in the great difficulties to oilfield producing and production maintenance. Based on the analysis of reservoir waterflooding characteristics and water plugging technology, a series of matching technology on water plugging have been created. The production practice shows that the technology
effectively controls the water cut increase of maturing oilfield, optimizes the injection -production construction, relaxes the development contradictions, controls the unavailable water injection, increases the water ratio maintained in formation, which accumulates the valuable experience for the production maintenance and benefit improvement of maturing oilfield.