Sidetracking horizontal wells were used successfully to control the water coning occurred in Hongnan oil field, hence the development and the economy benefits of the block were improved.

• 红南边底水油田在开采过程中出现了锥进问题,通过应用侧钻水平井新技术治理底水锥进获得了成功,提高了区块开发效果,获得了较好经济效益,为同类油藏的开发提供了可借鉴经验。