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Gravity displacement gas kick law in fractured carbonate formation
The gravity displacement gas kick often occurs due to the fractures developed in fractured carbonate formation. The improper control of the gravity...
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Statistical analysis of past kicks and blowouts occurred in a Middle Eastern oilfield
In 2017, blowouts and then explosions occurred in a Middle Eastern oilfield. A root cause of the incident is lack of study and investigation of the...
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Geomechanical model and wellbore stability analysis utilizing acoustic impedance and reflection coefficient in a carbonate reservoir
One of the most important oil and gas drilling studies is wellbore stability analysis. The purpose of this research is to investigate wellbore...
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Analysis and Research on Influence Factors of Leakage Caused by Surge Pressure
Post-accident tracing is necessary for risk assessment and prevention in oil drilling industry. The blowouts of the wellbore were triggered by...
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Experimental investigation of gas kick effects on dynamic drilling parameters
Blowout incidents not only lead to fatalities but also cause loss of assets, expensive clean-up, costly incident investigations and reports, and...
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Assessment of pore pressure in the Oligocene–Pleistocene stratigraphy of the West Delta Deep Marine, offshore Nile Delta, Egypt
One of the main drilling challenges in the offshore deep-water Nile Delta is the overpressured Tertiary shales, which causes formation fluid...
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The impact of dams and sand-gravel extractions on the downstream channel deformations (in the example of the Goychay River)
What are the consequences of building dams on rivers with a high gradient and removing sand and gravel from the channels? The main purpose of this...
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Impact of Lithoseismic Layering on Soil Compaction: Insights for Using Remoulded Geological Materials as Pavement Bases and Fillings
The present research assesses possible effect(s) of relative in situ compaction energy and grain size gradation on compaction parameters of remoulded...
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Pre-drill pore pressure prediction and safe well design on the top of Tulamura anticline, Tripura, India: a comparative study
The Tulamura anticline falls in the state Tripura, Northeast India. The anticline is extended up to neighbour country Bangladesh. The region is...
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Simulation of Shallow Gas Invasion Process During Deepwater Drilling and Its Control Measures
Shallow gas is considered one of the most serious geological hazards in deepwater drilling because it has the characteristics of suddenness and is...
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Severe wellbore instability in a complex lithology formation necessitating casing while drilling and continuous circulation system
Most of drilling hole problems are attributed to wellbore stability issues which adversely cause excessive lost time and cost millions of dollars....
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Earth’s Magnetic Declination Error Influence on Wellbore Positioning in Pakistan Region and Norwegian Sea. Case Study
AbstractThe ultimate goal of petroleum industry is to perform their routine operations with minimal risks. Nevertheless, the possibilities of...
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An innovative approach for investigation of overpressure due to hydrocarbon generation: a regional study on Kazhdumi formation, South-western Zagros Basin, Iran
Overpressure is always considered as a severe problem in the oil industry. Besides creating life risks through serious accidents while drilling,...
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Current Status and Prospects of Oil Production Engineering Technology for CO2 Flooding in Y Oilfield
The main development target layer of Y oilfield is low permeability Fuyang oil layer, which has poor water flooding development effect and low oil...
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Assessment of Environmental Degradation due to Processing of Cassava into Garri Flakes Using Pollution Indices
Processing of cassava into garri is a multi-staged process that causes adverse environmental impacts. This study aimed at assessing the environmental...
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Factorial analysis for the impact on filtration properties of water-based drilling fluid after the addition of graphene oxide, pure-bore, and sodium alginate
Drilling fluid is considered to be the backbone of any drilling activity. Therefore, proper formulation of this element is the key factor for any...
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Reservoir basin characterization using one-dimensional (1D) mechanical earth modeling (MEM) for wellbore stability (WBS) analysis
This study employed an extensive wellbore stability (WBS) analysis through the utilization of a one-dimensional (1D) mechanical earth model (MEM)....
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Probabilistic seismic hazard assessment framework for Uganda: a stochastic event-based modelling approach
Uganda lies between the eastern and western arms of the East African Rift System, the largest seismically active rift above sea level. With...
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Rock and Gas Outbursts in Copper Mines: Use of Brazilian Tests to Evaluate the Work of Disintegration of Rock Resulting from Stresses Produced by Gas Present in its Porous Structure
Rock and gas outbursts occur most frequently in coal mining. Gas-induced geodynamic events in dolomite are a new and unexplored phenomenon. In the...
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Empirical relationship of p-wave velocity, depth and shear strength parameters of remoulded geological materials from a sedimentary terrain in North-eastern Nigeria
To ascertain possible relationship between p-wave velocity (Vp), depth and shear strength parameters of remoulded geological materials, 10 locations...
