Raptor A New High-Technology, High-Value. Dr. Darryl Trcka Senior Research Scientist Raptor Interpretive Product Manager
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1 Raptor A New High-Technology, High-Value Pulsed Neutron Measurement from Weatherford Dr. Darryl Trcka Senior Research Scientist Raptor Interpretive Product Manager 2012 Weatherford. All rights reserved.
2 1964 Lane Wells 2012 Weatherford. All rights reserved. 2
3 1969 Slim tool Through tubing Schlumberger Baker Hughes Halliburton 2012 Weatherford. All rights reserved. 3
4 2003 Baker Hughes 2012 Weatherford. All rights reserved. 4
5 2010 Weatherford Raptor Casedhole Reservoir Evaluation Tool (CRE) 2012 Weatherford. All rights reserved. 5
6 2010 Weatherford Raptor 2012 Weatherford. All rights reserved. 6
7 Why four detectors? For Gas Saturation Measurements (We already know that.) Water-Oil Response Line Gas Response Line Raptor 5-Detector Tool 2012 Weatherford. All rights reserved. 7
8 Why four detectors? Wet Response Line Gas Response Raptor Standard 4-Detector 3-Detector Tool Tool Standard 3-Detector Tool Raptor 5-Detector Tool Standard 2-Detector Tool 2012 Weatherford. All rights reserved. 8
9 Raptor-CO Why use four detectors? We have four detectors instead of two. Which do you use for the CO measurement? 2012 Weatherford. All rights reserved. 9
10 Raptor-Sigma Why use four detectors? We have four detectors instead of two. Which do you use for the sigma measurement? 2012 Weatherford. All rights reserved. 10
11 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 logging g Brightest detector in the industry Less noise, more signal Sensitivity Calibration System Multi-point calibrator More accuracy, more confidence Efficiency Combinability PN+Bond+PL Memory Operation Field Test in Weatherford. All rights reserved. 11
12 The Road to High-Value Petrophysical Solutions High-Value Answer Products Distributed Analysis Production Petrophysics Characterization Algorithms Instrumentation 2012 Weatherford. All rights reserved. 12
13 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: Raptor-Sigma Basis for the Raptor-Gas product for gas saturation Diffusion corrected sigma (available 2012) High accuracy sigma 2012 Weatherford. All rights reserved. 13
14 The Road to High-Value Petrophysical Solutions High-Value Answer Products Distributed ib t Analysis Production Petrophysics Characterization Algorithms Instrumentation 2012 Weatherford. All rights reserved. 14
15 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 Drilling fluids Screens Gravel packs Blast joints Horizontal wellbores High-angle wellbores Invasion effects Partial saturation values Partial or mixed borehole holdup values Coning/cresting 2012 Weatherford. All rights reserved. 15
16 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 2012 Weatherford. All rights reserved. 16
17 The Road to High-Value Petrophysical Solutions High-Value Answer Products Distributed Analysis Production Petrophysics Characterization Algorithms Instrumentation 2012 Weatherford. All rights reserved. 17
18 The Road to High-Value Petrophysical Solutions High-Value Answer Products Distributed Analysis Production Petrophysics Characterization Algorithms Instrumentation 2012 Weatherford. All rights reserved. 18
19 The Road to High-Value Petrophysical Solutions High-Value Answer Products Distributed Analysis Production Petrophysics Characterization Algorithms Instrumentation 2012 Weatherford. All rights reserved. 19
20 Example Measuring Formation Gas Saturation in a Problem Gas Reservoir Problems Complex 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? 2012 Weatherford. All rights reserved. 20
21 Advantage #1: Instrumentation Raptor Gas Sensitivity Wet Response Line Gas Response Raptor Standard 4-Detector 3-Detector Tool Tool Standard 3-Detector Tool Raptor 5-Detector Tool Standard 2-Detector Tool 2012 Weatherford. All rights reserved. 21
22 Advantage #2: Characterization Raptor N-Vision High-Fidelity Gas Response Characterization 2012 Weatherford. All rights reserved. 22
23 Advantage # 3: Calibration Calibration of Tool Sensitivity and Characterization T100 N-Vision Calibration Calibration of three tools 2012 Weatherford. All rights reserved. 23
24 Advantage #4: Algorithms and Equations Analytical Shale Calibration and Handling 2012 Weatherford. All rights reserved. 24
25 Upcoming Publication of Results 2012 Weatherford. All rights reserved. 25
26 The Road to High-Value Petrophysical Solutions High-Value Answer Products Distributed Analysis Production Petrophysics Characterization Algorithms Instrumentation 2012 Weatherford. All rights reserved. 26
27 Raptor Not just high-technology by Weatherford standards, high technology by world standards Dr. Darryl Trcka Senior Research Scientist Raptor Interpretive Product Manager 2012 Weatherford. All rights reserved.
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