自1927年地震勘探成为一种常规勘探方法以来，地震勘探技术始终处于不断改进之中。

The seismic exploration has become an ordinary exploration method since 1927 and seismic exploration techniques have always been continuously developed.

youdao

随后探讨了非地震勘探技术作为常规勘探技术的补充和辅助而在综合勘探中的地位，提出了其在油气勘探中的任务。

Then, the paper discusses the role that non—seismic work as a supplement and assistant tool can play in conventional exploration technique, suggesting its tasks in the exploration.

youdao

提取页岩气比从地面抽取其他碳氢化合物更具破坏性——比起生产同等的常规天然气需要下沉更多的勘探井。

Extracting shale gas is more disruptive than hoicking other hydrocarbons out of the ground-far more Wells must be sunk than are needed to produce the same quantity of conventional gas.

youdao