宝浪油田注水井调剖封堵裂缝水窜技术探索
Plugging of Fracture Water Channeling Through Injector Profile Correction in Baolang Oilfield
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摘要: 针对宝浪油田油藏低孔低渗、微裂缝发育及地层温度高的特点,选择了耐温高、高强度、与地层配伍性良好的强凝胶调剖剂;B1306井调剖现场试验表明,调剖后注水启动压力上升,吸水指数下降,注水剖面改善良好,为下步对宝浪油田水窜井的治理打下了基础。Abstract: In viewing of the characteristics of low porosity and low permeability, well developed micro - fissures and high formation temperature in Baolang oilfield, we selected a strong gel profile correction agent with high temperature tolerance, large strength and good compatibility with the formations. Field experiment in Well B1306 reveals that water injection starting pressure goes up, water adsorption index lowers and injection profile is well improved after profile correction operation.