... in the target. Due to the ultra-deep detection range of the technology (in excess of 200 ft), the landing point could be adjusted proactively and early enough to accommodate any unexpected OWC depth changes in the field. log analysis Upstream Oil & Gas pilot hole Reservoir Characterization...

...^ flank spe 28835 penetration upstream oil & gas directional drilling depth map field development objective forties formation geological uncertainty well path mapping scenario drilling operation forties pilot hole sidetrack geological risk scenario reservoir characterization...

... for Friedrichseck Z3 and Goldenstedt Z22 a pilot hole was planned. WELL PLANNING General Considerations For all planned drilling activities in the past, close co-operation between Geology, Reservoir Engineering and Operations existed to reensure the achievement of the common objectives. At an early stage...

... deposit history rapach spe 25047 conoco north valiant upstream oil & gas heterogeneity horizontal section drilling operation robertson pilot hole horizontal well compartmentalisation reservoir quality permeability vertical well reservoir characterization key learning...

... well control upstream oil & gas dump valve wellbore shallow gas hydrostatic pressure mud weight personnel shallow gas area pilot hole weight mud offshore flow check rig blowout well flow valve annular pressure drilling spe 15897 drilling operation procedure riser...