Wellbore instability management using geomechanical modeling and wellbore stability analysis for Zubair shale formation in Southern Iraq
RH Allawi, MS Al-Jawad - Journal of Petroleum Exploration and …, 2021 - Springer
Wellbore instability problems cause nonproductive time, especially during drilling operations
in the shale formations. These problems include stuck pipe, caving, lost circulation, and the …
in the shale formations. These problems include stuck pipe, caving, lost circulation, and the …
What controls the mechanical properties of shale rocks?–Part I: Strength and Young's modulus
We performed mechanical tests on several, mainly European black shales with different
mineralogical composition, porosity and maturity. The uniaxial and triaxial compressive …
mineralogical composition, porosity and maturity. The uniaxial and triaxial compressive …
Wellbore stability analysis and well path optimization based on the breakout width model and Mogi–Coulomb criterion
The failure criterion is a very important aspect of the wellbore stability analysis. But the Mohr–
Coulomb criterion, a most commonly used failure criterion, is usually too conservative, due …
Coulomb criterion, a most commonly used failure criterion, is usually too conservative, due …
Wellbore stability analysis to determine the safe mud weight window for sandstone layers
A Darvishpour, MC Seifabad, DA Wood… - Petroleum Exploration …, 2019 - Elsevier
The wellbore stability of a vertical well through the sandstone reservoir layers of the Asmari
oil-bearing formation in south-west Iran is investigated. The safe drilling-fluid density range …
oil-bearing formation in south-west Iran is investigated. The safe drilling-fluid density range …
Investigation of present-day in-situ stresses and pore pressure in the south Cambay Basin, western India: Implications for drilling, reservoir development and fault …
SS Ganguli, S Sen - Marine and Petroleum Geology, 2020 - Elsevier
This work presents the assessment of present-day stresses and pore pressures in a prolific
onshore hydrocarbon bearing field located in the southern Cambay Basin, western India …
onshore hydrocarbon bearing field located in the southern Cambay Basin, western India …
Intelligent decisions to stop or mitigate lost circulation based on machine learning
AK Abbas, AA Bashikh, H Abbas, HQ Mohammed - Energy, 2019 - Elsevier
Lost circulation is one of the frequent challenges encountered during the drilling of oil and
gas wells. It is detrimental because it can not only increase non-productive time and …
gas wells. It is detrimental because it can not only increase non-productive time and …
[HTML][HTML] Implementing artificial neural networks and support vector machines to predict lost circulation
AK Abbas, NA Al-haideri, AA Bashikh - Egyptian Journal of Petroleum, 2019 - Elsevier
Lost circulation is one of the major challenges encountered during drilling operations. The
events related to the lost circulation can be responsible for losses of hundreds of millions of …
events related to the lost circulation can be responsible for losses of hundreds of millions of …
Mechanical earth modeling for a vertical well drilled in a naturally fractured tight carbonate gas reservoir in the Persian Gulf
In this study, a comprehensive integrated geomechanical analysis has been performed for
the construction of a one-dimensional Mechanical Earth Model (MEM) for a vertical well …
the construction of a one-dimensional Mechanical Earth Model (MEM) for a vertical well …
[HTML][HTML] Assessment of reservoir stress state and its implications for Paleozoic tight oil reservoir development in the Oued Mya Basin, northeastern Algerian Sahara
Abstract The Cambrian and Ordovician clastic reservoirs of the Oued Mya Basin exhibit
significant vertical thickness and extensive lateral continuity, despite being tight. These …
significant vertical thickness and extensive lateral continuity, despite being tight. These …
Assessment of pore pressure, wellbore failure and reservoir stability in the Gabo field, Niger Delta, Nigeria-Implications for drilling and reservoir management
This work investigates a 3400m thick Tertiary succession from the prolific Gabo hydrocarbon
field in the Niger Delta and presents a well-scale geomechanical model to address the pore …
field in the Niger Delta and presents a well-scale geomechanical model to address the pore …