Raptor - Petroleum Club · Raptor A New High-Technology, High-Value Pulsed Neutron Measurement from...
Transcript of Raptor - Petroleum Club · Raptor A New High-Technology, High-Value Pulsed Neutron Measurement from...
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RaptorA New High-Technology, High-Value Pulsed Neutron Measurement from WeatherfordPulsed Neutron Measurement from Weatherford
Dr. Darryl TrckaSenior Research Scientist
© 2012 Weatherford. All rights reserved.© 2012 Weatherford. All rights reserved.
Raptor Interpretive Product Manager
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1964Lane Wells
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1969“Slim tool”
“Through tubing”Through tubing
SchlumbergerBaker Hughes
Halliburton
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2003Baker Hughes
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2010Weatherford
Raptor
© 2012 Weatherford. All rights reserved.© 2012 Weatherford. All rights reserved. 5Casedhole Reservoir Evaluation Tool (CRE)
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2010Weatherford
Raptor
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Why four detectors?For Gas Saturation Measurements (We already know that.)
Water-Oil Response Line
Gas Response Line
Raptor 5-Detector Tool
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Why four detectors?
Wet Response Line
Raptor 4-Detector ToolStandard 3-Detector Tool
Gas Response
Standard 3-Detector ToolRaptor 5-Detector Tool
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Standard 2-Detector Tool
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Raptor-COWhy use four detectors?
• We have four detectors instead of two. Which do you use for the CO measurement?
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Raptor-Sigma Why use four detectors?
• We have four detectors instead of two. Which do you use for the sigma measurement?g
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Hardware Summary
• Larger Detector Array
Senses more formation volume – Most sensitive tool in the industry
• New Detector Type
Fastest detector in the industry – High count rates, faster loggingy g , gg g
Brightest detector in the industry – Less noise, more signal
• Sensitivity Calibration System
Multi-point calibrator – More accuracy, more confidence
• EfficiencyEfficiency
Combinability – PN+Bond+PL
Memory Operation – Field Test in 2013
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The Road to High-Value Petrophysical Solutions
High-Value Answer Products
Distributed Analysis
Production Petrophysics
Characterization
Algorithms
© 2012 Weatherford. All rights reserved.© 2012 Weatherford. All rights reserved. 12Instrumentation
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New Algorithm Development
• Raptor-CO
New formation-view technique – Proof that the tool is seeing the formation
New shale and mineralogy handling – Lime, dolomite, sand, shale
• Raptor N-Vision Measurement (Gas Saturation Measurement)
Measurement method not based on CO or Sigma
Saturations are determined by measuring pore fluid density:
Basis for the Raptor-Gas product for gas saturation p p g
• Raptor-Sigma
Diffusion corrected sigma (available 2012) – High accuracy sigma
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The Road to High-Value Petrophysical Solutions
Di t ib t d A l i
High-Value Answer Products
Distributed Analysis
Production Petrophysics
Characterization
Algorithms
© 2012 Weatherford. All rights reserved.© 2012 Weatherford. All rights reserved. 14Instrumentation
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Characterization Problems in Artificial Pits
• Most conditions are impossible to characterize in artificial formation pits:
– Gas formations– Gas behind tubing– Foam cement– Formation gas and oil of variable density– Tubing and packers– EOR processes (floods, WAG, SAGD, CO2, N2)– Condensate– Washouts
D illi fl id– Drilling fluids– Screens– Gravel packs– Blast joints
Horizontal wellbores– Horizontal wellbores– High-angle wellbores– Invasion effects– Partial saturation values– Partial or mixed borehole holdup values
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Partial or mixed borehole holdup values– Coning/cresting
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Raptor Characterization with Monte Carlo Modeling
• Single-well, high-fidelity response characterization
– Each well is characterized for:
• Hole size
• Casing size, weight
• Sand, Lime, Dolomite
• Borehole fluid density/salinity
• Formation oil density
• Tubing strings
• Tubing/annulus fluids
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The Road to High-Value Petrophysical Solutions
High-Value Answer Products
Distributed Analysis
Production Petrophysics
Characterization
Algorithms
© 2012 Weatherford. All rights reserved.© 2012 Weatherford. All rights reserved. 17Instrumentation
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The Road to High-Value Petrophysical Solutions
High-Value Answer Products
Distributed Analysis
Production Petrophysics
Characterization
Algorithms
© 2012 Weatherford. All rights reserved.© 2012 Weatherford. All rights reserved. 18Instrumentation
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The Road to High-Value Petrophysical Solutions
High-Value Answer Products
Distributed Analysis
Production Petrophysics
Characterization
Algorithms
© 2012 Weatherford. All rights reserved.© 2012 Weatherford. All rights reserved. 19Instrumentation
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Example – Measuring Formation Gas Saturation in a Problem Gas Reservoir
• Problems
– Complex completions (logging behind production tubing in largeComplex completions (logging behind production tubing in large boreholes)
– Mixed salinity: sigma is unreliable
– Variable shales
– We want:
• Gas saturation
• Identification of thin bed pay
• Raptor advantages?
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Advantage #1: InstrumentationRaptor Gas Sensitivity
Wet Response Line
Raptor 4-Detector ToolStandard 3-Detector Tool
Gas Response
Standard 3-Detector ToolRaptor 5-Detector Tool
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Standard 2-Detector Tool
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Advantage #2: CharacterizationRaptor N-Vision High-Fidelity Gas Response Characterization
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Advantage # 3: CalibrationCalibration of Tool Sensitivity and Characterization
T100 N-Vision Calibration
Calibration of three tools
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Advantage #4: Algorithms and EquationsAnalytical Shale Calibration and Handling
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Upcoming Publication of Results
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The Road to High-Value Petrophysical Solutions
High-Value Answer Products
Distributed Analysis
Production Petrophysics
Characterization
Algorithms
© 2012 Weatherford. All rights reserved.© 2012 Weatherford. All rights reserved. 26Instrumentation
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Raptor –Not just high-technology by Weatherford standards, high technology by world standards
D D l T k
© 2012 Weatherford. All rights reserved.© 2012 Weatherford. All rights reserved.
Dr. Darryl TrckaSenior Research Scientist Raptor Interpretive Product Manager