drilling exploration meaning in English

钻孔勘探
钻探

Ocean - drilling exploration of life beneath the seafloor
大洋钻探对洋底以下生命的探索
Engineering geophysical method is a kind of high efficient and economical tool in solving a lot of practical engineering problems with the aid of drilling exploration
摘要工程物探是一种高效、经济的勘察手段，辅以少量的钻探工作可以解决大量的工程勘察实际问题。
Through drilling exploration for several years , the extra - low permeable reservoir of yanchang formation in pingbei area of ansai qilfield , has discovered the main oil reservoirs are chang4 + 5 ( subscript 2 ) layer , chang61 layer and chang6 ( subscript 2 ) layer , their pay thickness has reached over 20m , and the reservoir number , reservoir thickness , original oil in place and oil well production have been increased obviously
摘要安塞油田坪北区延长组特低渗透储层，通过这几年钻探发现主力油层为长4 + 5 (下标2 )层、长6 (下标1 )层和长6 (下标2 )层，油层厚度达20余米，油层层数、油层厚度、原始原油地质储量和油井产量都有明显增加。