#1
ENHANCED WELLBORE PLACEMENT ACCURA...על ידי Helmerich & Payne
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101Azimuth corrections of 1 degree lead to changes in wellbore position of 200 feet and more at TD. Improved specification of the strength and dip of the geomagnetic field...
#2
THE END OF THE WORLDעל ידי LonelyGlider5241
5241It is said that a geomagnetic reversal could easily destroy the physical world around us. What defines our world? Definitely, not just the tall buildings or green trees...
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