STRESS, BOREHOLE STABILITY, AND HYDROCARBON LEAKAGE IN THE NORTHERN NORTH SEA

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" STRESS, BOREHOLE STABILITY, AND HYDROCARBON LEAKAGE IN THE NORTHERN NORTH SEA "

Document Type	:	Latin Dissertation
Language of Document	:	English
Record Number	:	149708
Doc. No	:	ET21500
Main Entry	:	David Wiprut
Title Proper	:	STRESS, BOREHOLE STABILITY, AND HYDROCARBON LEAKAGE IN THE NORTHERN NORTH SEA
Note	:	This document is digital این مدرک بصورت الکترونیکی می باشد
Abstract	:	Knowledge of the state of stress in hydrocarbon reservoirs is critical for maintainingwellbore stability as well as for understanding the processes of hydrocarbon migration andleakage. The principal goals in this dissertation are to constrain the full in-situ stress tensorusing drilling-induced tensile fractures and wellbore breakouts; to determine optimaltrajectories for maintaining wellbore stability; and to evaluate potential hydrocarbonleakage and migration pathways in the context of dynamic mechanisms which control fluidflow. I analyze data in four fields in the northern North Sea.In the Visund field west of the Viking graben, stress analysis obtained using drilling-induced tensile fractures indicates the field has a consistently orientated stress tensor aswell as magnitudes of the principal stresses consistent with the strike-slip to reversefaulting stress field observed from earthquake focal piane mechanisms. Analysis ofwellbore stability shows that horizontal wells drilled in the direction of the maximumhorizontal stress in this field are the most successful.tested for theQ1 PC1 bus cardBoth these projects mere sofixare des elopment efforts tonards contributing to dlfferentaspects of Roboucs and lZ1echatronics projects m the Controls and Roboucs Group..
Subject	:	Electericl tess
	:	برق
electronic file name	:	TL44672.pdf
Title and statement of responsibility and	:	STRESS, BOREHOLE STABILITY, AND HYDROCARBON LEAKAGE IN THE NORTHERN NORTH SEA [Thesis]