分支水平井技术在胜利油田特殊油藏的应用

Multilateral Horizontal Well Technique and Its Application in Special Reservior in Shengli Oilfield

阐述了分支水平井的特点、适宜条件、技术优势和技术难点,介绍了胜利油田利用分支水平井技术开发“水上漂”油层及薄层状互层等特殊油藏的情况及自主开发的分支井系统、钻井液和塑性水泥固井等关键技术。

The characteristics, suitable formations, technique advantages and technical difficulties for multilateral horizontal drilling are summarized. The applications of multilateral horizontal drilling in fault block reservoir with edge and bottom water and thin layered formations in Shengli oilfield are described, as well as the key techniques, such as its multilateral drilling system, drilling fluids, plastic cement for window seal etc.