The flowline for air or gas drilling.

Blooie line（气体钻井的排岩屑管）.

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的技术措施。

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

国欠平衡钻井普遍实施,要用到的旋转防喷器是关键设备,技术含量高。

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,实验的基础上,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.

钻井结果和中结果证实，地震非弹性效应预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.

热熔钻进的实践证明，该方法不仅适用于地热钻井，而且也可以作为一种新的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.

从钻井泵经过钻柱部输送到钻头喷嘴的流体是一种瞬态流动，存着压力行波，使从普通喷嘴射出的流体有一定程度的脉动。

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.

沥青类处理剂山前钻井中的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的复杂性及由于各种改性手段的应用,使沥青类处理剂的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，区钻井须家河组均有不同程度的显示，以气异常为主，初步展示了该地区丰富的油气资源并具多套储产层的良好勘探前景。