... on the final casing design. Based on the results, the operator chose an aggressive casing design in order to reach the target sands with the optimum borehole size and a minimum number of casing strings. Reservoir Characterization wellbore integrity drilling operation Wellbore Design Upstream Oil...

...] investigated the effect of wellbore geometry on the stability of multilateral junctions using the elasticity theory. wellbore integrity Directional Drilling drilling operation Wellbore Design Upstream Oil & Gas orientation mainbore wellbore stability junction area junction stability...

.... However, this work will only address the change in azimuth (bit walk). Of course, in every drilling operation, there is some deviation from the planned path. But depending upon the target size, certain deviation is acceptable. If the deviation is so large that the target is going to be missed...

.... Rather these methods predict the onset of rock failure and thus the completion design errs on the side of safety. Reservoir Characterization reservoir geomechanics Directional Drilling drilling operation completion equipment Upstream Oil & Gas shear band strength lateral depletion...

... and the Central Graben area and more southern parts of the North Sea. drilling fluid chemistry Reservoir Characterization drilling fluid selection and formulation drilling fluid property drilling fluids and materials drilling operation drilling fluid formulation Upstream Oil & Gas OBM...

... cracks is unlikely and large-scale instability is not expected to occur. metals & mining drilling operation tension crack inter-ramp slope angle displacement highwall design horizontal displacement stability analysis back analysis slope section northwest sector horizontal movement...

... Characterization metals & mining drilling operation structural geology Upstream Oil & Gas strength seam prediction collapse debris bedrock Engineer assumption landfill subsidence equilibrium analysis rock mass construction case study exploration settlement clubhouse site Clubhouse...

... design drilling operation Upstream Oil & Gas stick-slip oscillation regime oscillation correspond experiment rotation torque coefficient torsional vibration bit-rock interaction law coupling stick-slip vibration contact length cleaning RPM interaction angular velocity bit-rock...

... on the stress redistribution, within the realm of the coupled theory of poroelasticity due to the creation of the junction. Reservoir Characterization reservoir geomechanics Directional Drilling drilling operation Upstream Oil & Gas elastic solution stress Redistribution lateral pore pressure...

... geomechanics drilling operation Upstream Oil & Gas size effect strength axial stress Simulation synthetic sandstone particle axial strain experiment damage effect compaction sandstone laboratory stress state stress release loading laboratory experiment discrete particle bond strength...

... stress reasonable well compared with the standard overcoring method. Reservoir Characterization metals & mining drilling operation Upstream Oil & Gas relation orientation specimen hi cell measurement stress tensor core specimen Kaiser effect Deformation Rate analysis loading...

... of loss of drilling circulation, the mechanism is tensile failure. Reservoir Characterization wellbore integrity drilling operation Wellbore Design Upstream Oil & Gas pseudo-3d stress analysis strength stability analysis Proc mud wt Rotterdam completion borehole Applicability...

... the bedrock, mostly the Theresa Formation, before discharging to the Turgeon River or to the Chateauguay River. Reservoir Characterization flow in porous media hydraulic fracturing complex reservoir drilling operation structural geology Upstream Oil & Gas Fluid Dynamics open fracture pore...

... directions. This is discussed in the light of the influence of in-situ microcracks on core-based stress orientation techniques. Reservoir Characterization reservoir geomechanics drilling operation Upstream Oil & Gas maximum strain orientation microcrack thermal strain relaxation maximum...

... if the crack damage resulted solely from stress relief mechanisms after coring. Reservoir Characterization drilling operation Upstream Oil & Gas compressibility orientation microcrack crack strain tensor microcrack tensor differential strain analysis technique porosity strain tensor...