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Motor Bend Affects Stick-Slip Vibrations: Modeling and Case Study
This technical publication models the relationship of motor bend and stick-slip vibrations during unconventional well drilling. A case study is included.
FOOTHILLS DRILLING PERFORMANCE IMPROVEMENT – A NEW TRANSVERSAL APPROACH
Total E&P initiated a drilling campaign in 2018 near the foothills of Bolivia where wells can be extremely challenging and lengthy to drill. These wells mandate exhaustive planning due to the geological complexity and abrasive environment prone to…
RSS and Motor Directional Analysis: Modelling the Effect of Local Doglegs on…
This paper aims to present a methodology that allows the anticipation of problems such as mechanically stuck pipe or lock up situations when running in hole casing or completion strings.
Axial and Surface Oscillation Tools: Tool Face Control
Two solutions used to overcome friction forces are axial oscillation tools (AOT) and surface oscillation tools (SOT), especially in unconventional well trajectories.
Assessing Stabilizer Design for Drillstring Vibration
A technical publication assessing the effect of stabilizer design on drillstring vibrations through detailed dynamics modeling. Testing stabilizers can be costly.
Drilling Three-Mile Laterals with Magnetic Reference Technique
This article discusses the challenges of wellbore positioning and anti-collision when drilling three-mile laterals in onshore US drilling operations.
Fluid Circulation Effects on Torque and Drag Results
Hydraulic effects on torque and drag modeling have been thoroughly studied, yet their interpretation causes misunderstandings. Historical models disregard circulation effects.
Casing Wear in the Culzean Field: A Technical Analysis
This paper presents measured vs. predicted wear for six wells in the high-pressure, high-temperature Culzean field, located in the central North Sea.
Modeling Axial Rotary Drilling Dynamics for Drilling Automation
Analysis of low-frequency axial drilling dynamics shows significant regional variation from block velocity input to surface weight on bit (SWOB) or differential pressure outputs.
Jay Kesan | Professor, University of Illinois College of Law
Jay Kesan is the Director of the Program in Intellectual Property and Technology Law at The University of Illinois at Urbana-Champaign. Author.