Technical Paper
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Automating Anti-Collision Calculations for Autonomous Drilling Systems
Abstract The complexity of calculation along with the high stakes of error has traditionally meant that efficient implementation of anti-collision procedures required an experienced operator…
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Mitigating and Understanding Stick-Slip in Unconventional Wells
Abstract Stick-slip is still present in most of the wells drilled today, especially in unconventional wells. Friction is an inevitable and important force along the…
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Towards a Novel Approach to Consider Casing Wear in Well Designs
Abstract This paper deals with an in-depth evaluation of the collapse pressure of a worn pipe (due to the casing wear) using a reliability-based approach…
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Use of Mechanical Specific Energy Calculation in Real-Time to Better Detect Vibrations and Bit Wear While Drilling
Abstract Mechanical Specific Energy (MSE) is now a well-known concept to quantify the cutting efficiency of the rock. Thanks to its simplicity, its utilization has…
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Using Aluminum Drill Pipe with Axial Oscillation Tools to Significantly Improve Drilling Performance
Abstract Aluminum drill pipe has already been proven as a viable alternative to steel drill pipe when drilling long horizontal wells thanks to its lighter…
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Using Autonomous Marine Vehicles to Enable Accurate Wellbore Placement in the Arctic
Abstract This paper describes a study using an autonomous marine vehicle with satellite communications, to accurately collect and deliver in real-time magnetic measurements, to calculate…
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Using Hybrid Propulsion Autonomous Marine Vehicles to Better Characterize Geomagnetic Fields Offshore
Abstract We present a study conducted to develop and validate new capabilities for offshore geomagnetic surveying that employs the autonomous marine vehicle (AMV) to map…
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Validation of Directional Survey Data Against Positional Uncertainty Models
Abstract Positional uncertainty is a critical component of managing collision risk while drilling. Ensuring that survey data meet the requirements of their uncertainty models has…
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Web-based Technologies for Real-time Directional Survey Quality Improvement
Abstract Directional surveys acquired by Measurement While Drilling (MWD) are subject to many errors that are not easily recognized by traditional Quality Control (QC) procedures.…
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When Slick is Not Smooth: Bottom-Hole Assembly Selection and Its Impact on Wellbore Quality
Abstract Appropriate selection of a bottom-hole assembly (BHA) is critical to the success of a drilling operation. In US Land drilling, these assemblies are often…
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Application of Purpose Built Rig Technology Results in Step Change in Drilling Time, Cost, and Opportunities
Abstract The Piceance Basin, located in Western Colorado, is a 6,000-square-mile basin consisting of vertically stacked sand-shale sequences. Gas-in-place estimates exceed 200 trillion cubic feet.…
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Application of a Forced Vibration Modeling Approach to Better Quantify the Role of Downhole Vibrations and Excitation Tools
Abstract Drilling operations can induce several external excitations to the drillstring and bottom-hole assembly (BHA) due, namely, to the drillstring-wellbore contacts, bit-rock interactions, fluid flow,…