ELECTROMAGNETIC MWD/LWD - WHERE AND WHY?
[摘要] Application of electromagnetics as a mean of data transfer from bottom hole assembly to the surface during deep well drilling is described. Particularly, it is convenient when drilling with foam, aerated mud or air drilling in...
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[效力级别] [学科分类] 地质学
[关键词] Measurement While Drilling (MWD);elektromagnetics (EM);historic development of EM and EM MWD;attenuation;skin effect [时效性]
