The flowline for air or gas drilling.

Blooie line（气体钻井排岩屑管）.

With regard to the leakiness and the formation’s low bearing pressure ability of Jiulongshan structure, various leak stoppage plans were experimented.

优选了九龙山构造深井高密度钻井液体系，提出了改善高密度钻井液流变性措施。

While underbalance drilling spreads greatly, rotating blowout preventer, as a kind of high technical product, is the crucial equipment to control well pressure.

国内欠平衡钻井普遍实施,要用到旋转防喷器是关键设备,含量高。

Based on the laboratory experiments, MMH polymer MMH polysulfonate drilling fluids system is developed through analyzing the properties of positive colloid, polymers and polysulfonate muds.

通过对正电胶、聚合、聚磺钻井液特点进行分析,在室内实验基础上,设计研究了MMH聚合-MMH聚磺钻井液体系。

The drilling results and drill stem test result prove that the prediction results of seismic nonelastic effect completely coincide with the actual gas-bearing Situation in the reservoir.

钻井结果和中途测试结果证实，地震非弹性效应预测结果完全符合地下储层含气性实际情况。

The practice of subterrene drilling indicates that this method not only adapts to geothermal well, but also is a new pipeless reinforcement method to be applied widely.

热熔钻进实践证明，该方法不仅适用于地热钻井，而以作为一种新无套管护壁方法推广应用。

Fluid is conveied to bit nozzel through drill string from pump is a transient state flowing with pressure wave, which makes the fluid jetted out from nozzel has certain pulsation.

从钻井泵经过钻柱内部输送到钻头喷嘴流体是一种瞬态流动，存在着压力行波，使从普通喷嘴射出流体有一定程度脉动。

It is proved that the anti-collapse function of the treating chemical in fluid kerite in piedmont drilling is more and more obvious, and the application is more and more widely.

沥青类处理剂在山前钻井中防塌作用越来越重要,应用越来越广泛,但由于其基质沥青成分复杂性及由于各种改性手段应用,使沥青类处理剂室内评价指标与现场应用效果越来越难以统一。

The north of Wei Yuan area is in good condition of storage and in normal stratigraphic sequence.It has different drill display on this area, main of which is abnormal gasometry result.

威远北部地区地层层序正常，保存条件良好，区内钻井在须家河组均有不同程度显示，以气测异常为主，初步展示了该地区丰富油气资源并具多套储产层良好勘探前景。