Technical Paper
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How Motor Bend Affects Stick-Slip Vibrations: Modeling and Case Study
Abstract Contact friction along drill string is one of root causes of stick-slip vibrations, especially when drilling an unconventional well with a long lateral section.…
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How the Bit Profile and Gages Affect the Well Trajectory
Abstract The importance of wellbore deviation is well recognized by the drilling industry. An analysis of the directional behavior of a drilling system must include…
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Improving Directional Survey Accuracy through Real-Time Operating Centers
Abstract Standard directional surveying practices are subject to numerous error sources which can cause inaccurate placement of the wellbore. This is problematic because inaccurate wellbore…
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Improving Surface Oscillation Tools Performance Using Time-Domain Dynamics and Torque and Drag Models
Abstract Overcoming friction in sliding mode represents a challenging task when drilling an unconventional well with a long lateral section. Among the possible ways to…
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Improving Wellbore Placement Accuracy Using Stratigraphic Misfit Heatmaps
Abstract Accurate wellbore placement is of key importance in producing and developing unconventional resources. For cost reasons, unconventional wells areusually drilled with gamma radiation data…
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Learning Curve Benefits Resulting From the Use of a Unique BHA Directional Behavior Drilling Performances Post-Analysis
Abstract With the current market’s high prices for drilling units and sophisticated directional and formation assessment services, low systems reliability or poor directional performance in…
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Magnetic Referencing and Real-Time Survey Processing Enables Tighter Spacing of Long-Reach Wells
Abstract Positional uncertainty in wellbores is caused by numerous error sources and propagates in magnitude along the measured depth of the wellbore. This can be…
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Micro Dogleg Detection with Continuous Inclination Measurements and Advanced BHA Modeling
Abstract Micro doglegs are a natural effect of any vertical or directional well that can explain a wide variety of down hole problems, from additional…