balanced pressure drilling

Gas reservoir protection is obtained by applying near balanced drilling, adding.

针对这一情况,制定出一套有效的防漏堵漏技术,并通过近平衡压力钻井,钻井液中增加酸溶性固相、使用低密度低固相完井液等保护措施,解决了玛扎塔格地区的钻井液难题,降低了钻井液成本,取得了良好的经济效益和社会效益。

This problem is solved successfully after the underbalanced drilling (UBD) technique is taken.

近两年该地区应用了欠平衡压力钻井技术后 ,较好地解决了上述难题 ,为增储上产、扩大勘探区域起了积极的作用。

The formula, properties and applications of cyclable foam drilling & completion fluids in underbalanced drilling in Luo 151 11 Well are introduced.

介绍了可循环泡沫钻井完井液的配方、性能及在罗 1 5 1 - 1 1井欠平衡压力钻井中的应用情况。

The underbalanced drilling operation in this well is also introduced.

根据商 741块沙 3段火成岩裂缝性油气藏的地层特征 ,对商 741 -平 1井的的井身结构设计、井身剖面设计、完井设计进行了优化 ,介绍了该井欠平衡压力钻井的施工情况。

The principle of reaching balance drilling and under balanced drilling using foam mud in water well drilling in Karst formation was presented.

分析了岩溶地层水文水井施工中 ,泡沫实现平衡压力或欠平衡压力钻井的原理及影响泡沫钻井有效井眼压力的因素。