采用了MWD无线随钻仪器，倒装钻具组合，优化了钻井参数，实现了精确中靶。
MWD tools were used, and by using of reversed BHA and optimizing of drilling parameters, precise target hitting was achieved.
采用了MWD无线随钻仪器，倒装钻具组合，优化了钻井参数，实现了精确中靶。
MWD tools were used, and by using of reversed BHA and optimizing of drilling parameters, precise target hitting was achieved.
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