A new drill which is being tested at Leona Valley Ranch is driven by a turbine engine which is propelled by liquid mud pumped into it from the surface.

 
  • 在得克薩斯州第里昂納谷地牧場(chǎng)進(jìn)行試驗第一臺新鉆機由渦輪機驅動(dòng),而渦輪機則由從地面上用泵打進(jìn)去打泥漿推動(dòng)。
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