directional drilling - a step in the right direction
TRANSCRIPT
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Directional Drilling
A Step in the Right Direction
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Directional Wells
• Horizontal – Short Radius– Medium Radius– Long Radius
• Slant– Straight, but at a predetermined angle
• Deviated– “S” Curve
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Single Wells-Multilateral Wells
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Slim Hole Mud Motor with Bent Sub
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Monel Drill Collars
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MWD Tools
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Self-contained Wire Line Unit
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MWD - “Measurement While Drilling”
• Real time directional surveys
• Rotational speed of the drillstring
• Mud flow volume
• Downhole temperature
• Torque and Weight on Bit
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LWD - ”Logging While Drilling”
• Measures– Formation density– Porosity– Resisitivity– Inclination at the Drill Bit– Magnetic Resonance– Formation Pressure
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Directional Driller’s Control Room
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MWD Toolbox
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Satellite Uplink
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Horizontal Wellbore
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Advantages
• Multiple wellheads on single pad
• Less surface and environmental disturbance
• Less roads and ROWs to maintain
• Drilling and production waste centralized to one site
• Centralization of facilities
• Lower operating costs
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Three wells - All directional to the same formation
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Four wells - One straight well and three directional wells - Same formation