balanced drilling

常见例句

Air drilling is a kind of under-balanced drilling technology with air, whose rock breaking form is different from conventional mud drilling.
空氣鑽井技術是以空氣作爲循環介質的欠平衡鑽井技術，其鑽頭的破巖形式與常槼泥漿鑽井有很大的區別。
From the points of technical principles and construction flow diagram, the paper expounds the effects of under-balanced drilling on gas logging.
前言：從欠平衡鑽井的工藝原理和施工流程角度出發，闡述了欠平衡鑽井對氣測錄井的影響。
The under-balanced drilling technology is based on how to control the bottom negative pressure which is related to the pressure computation of multiphase flow in annulus .
井底負壓值控制是欠平衡鑽井技術的基礎，而井底負壓值的大小與環空多相流的有關壓力計算有關。