How to Drill a Well Alex Vaughan Pioneer
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Transcript of How to Drill a Well Alex Vaughan Pioneer
![Page 1: How to Drill a Well Alex Vaughan Pioneer](https://reader034.fdocuments.net/reader034/viewer/2022051502/577cca1a1a28aba711a560d9/html5/thumbnails/1.jpg)
How to drill a well in FIVE easy steps
Alex Vaughan, Senior Drilling EngineerAOGA Legislative Seminar
Dec. 11, 2012
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How to Drill a Well in 5 Easy Steps
Identify where the oil is.Not here
Not here
Or here
A little here
Some here
Back to nothing
Not here
Not here either
We thought so but, NO.
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How to Drill a Well in 5 Easy Steps
Identify where the oil is.
Rent yourself a rig.
FOR RENT CHEAPYours for only
$300,000 a day
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How to Drill a Well in 6 Easy Steps
Identify where the oil is.
Rent yourself a rig.
Drill a hole
Our wells may take 60 Days or longer & approx.$15MM
to Drill and Case
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How to Drill a Well in 5 Easy Steps
Identify where the oil is.
Rent yourself a rig.
Drill a hole
Run casing & cement
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How to Drill a Well in 5 Easy Steps
Identify where the oil is.
Rent yourself a rig.
Drill a hole
Run casing & cement
Run your completion
“Completing” a well can take another $15MM to execute the program
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Half-time Takeaways
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Expensive art, science, and luck
Drilling does not equal production
Very technical and regulated process
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Semi-Detailed look at drilling a Well
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Identifying a target.
Design the directional path to reach the target.
Select tools and services required.
Design a complete program to drill to target
Install a completion to achieve the wells objective.
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Identifying an objective & target.What do you want out of your well?
Disposal well
Injector or producer well
Data collection
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Where should you drill it?
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Design a directional path to reach the target.
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1.3 Miles of Oil bearing formation
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Design a directional path to reach the target.
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Select tools and services required.
Drilling Rig
Drillstring Fluid System
Casing
Cement
Completion
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Design & Execution of the Drilling Program
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Design & Execution of the Drilling Program
Drill Surface Hole
Run Surface Casing
Cement Surface Casing
Drill Next Hole Section
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Drillstring: The Bit and Motor
Bit
– Cuts or crushes rock
Motor (simple)
– Orients the bit in the desired direction
Rotary Steerable (smooth)
– Orients the bit in the desired direction while continuously rotating
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Drillstring: MWD/LWD
Measurement While Drilling
– Pressure, temperature, & wellbore position in 3D
– “Downhole GPS”
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What is going on down there?
Where are we relative to the rig?
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Logging While Drilling
– Provides real-time information on formation characteristics.
– Allows us to determine where the bit is relative to the formation we are drilling.
– Helps define well placement and predict drilling hazards
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Drillstring: MWD/LWD
What is going on down there?
Where are we relative to the formations we are drilling?
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Drilling Mud
Drilling fluid, known as mud, has several different functions essential to drilling an oil or gas well, including
– Subsurface pressure control
– Cuttings removal and transport to the surface
– Suspend solids
– Helps suspends weight of the drillstring and casing
– Lubrication & cooling of the drillstring & bit
– Wellbore stability
– Transmit hydraulic energy to downhole tools
The life blood of the modern drilling operations
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Casing Protect freshwater
formations
Isolate formations with significantly different pressure gradients
Isolate unstable formations or zones of lost returns
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Cement
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Protects & seals the wellbore
Isolate fluids from moving between formations
Isolate unstable formations
Plug off unwanted wellbore
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Cutting Edge Technology We Use
Logging tools– Formation pressure sampling.
– Perpendicular cores from the borehole.
Real time down-hole data streaming– Formation data streamed anywhere in the world.
Managed pressure drilling– High tech pressure control
Radio Frequency ID downhole tools– Digital chip tool activation.
Survey management– Crustal Anomalies
– Gravitational field shifts
– Solar flares
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