It not only has a retro-looking folding carrying handle, it also sports a pair of functional analog VU meters that are backlit with a soft warm glow. For those of us who grew up enamored with the ...

The vertical depth of the well reaches over 5,300 meters with a 1,312-meter-long horizontal section, setting a new record for vertical depth of shale gas wells in China. The breakthrough will ...

but most of the resources are distributed in the ultra-deep field with a burial depth of over 4,500 meters, which is regarded as a "forbidden zone" because of the rapid changes in the velocity of ...

The vertical depth of the well reaches over 5,300 meters with a 1,312-meter-long horizontal section, setting a new record for vertical depth of shale gas wells in China. The breakthrough will boost ...