ပင္မစာမ်က္ႏွာ ျမန္ျပည္သတင္း နိဳင္ငံတကာသတင္း ဓာတ္ပံု ဗီဒီယို ေဆာင္းပါး ၀တၱဳ ကဗ်ာ ဟာသ ျမင္ကြင္း ပ်ဳိး

Saturday, March 17, 2012

ေဘးတိုက္ ေရနံတူးစနစ္

Horizontal Drilling
By Lynn Helms






ABBREVIATIONS:
FNL - Feet from north line TD - total depth
FSL - feet from south line BH - bottom hole
FEL - feet from east line BHL - bottom hole location
FWL - feet from west line TVD - total vertical depth
FTMD - feet mesasured depth FJ - flush joint

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