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Small is beautiful: AGL physical modeling and salt measurements

Small is beautiful: AGL physical modeling and salt measurements. N. Dyaur, R. Stewart, and L. Huang. Houston May 16, 2013. Introduction & motivation. Why physical modeling? AGL physical modeling system Scaled models of resource interest laser-etched glass 3D printed materials

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Small is beautiful: AGL physical modeling and salt measurements

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  1. Small is beautiful: AGL physical modeling and salt measurements N. Dyaur, R. Stewart, and L. Huang Houston May 16, 2013

  2. Introduction & motivation • Why physical modeling? • AGL physical modeling system • Scaled models of resource interest • laser-etched glass • 3D printed materials • Inclusions and injection • Fracture results • Ultrasonic measurements on salt & sediments

  3. Schematic diagram of ultrasonic system 100 kHz to 5 MHz sources and receivers Use 10,000 factor to compare to seismic: 100 kHz = 10 Hz, 5MHz = 500 Hz Receiver Source Source Receiver Source Receiver Land System Measurement system Marine System Receiver stations Source Microseismic experiment

  4. AGL Ultrasonic Research Systems Marine system Land System Ultrasonic measurement system

  5. Glass models Part of Models Azimuthal acquisition Fracture Modeling Injection Model 3D printed Models Large Model with fracture domain

  6. Example of CMP profiles inultrasonic experiment in laser fractured glass (processed by Bode Omoboya) P-wave Reflection from Top of Fracture P-wave Reflection from Base of Fracture Direct Arrival P-Wave Reflection from Glass Bottom C-Wave Reflection from Glass Bottom Shear-Wave Reflection from Glass Bottom Shear-Wave Reflection from Glass Bottom OFF Fracture ON Fracture

  7. 3D printed models Prism B VTI 51 mm 51 mm Prism A 51 mm HTI

  8. Hydraulic fracture model with horizontal well Model PM 4 (real) Model PM 4 (drawing) Y X 137.7 mm Z 200 mm 152.4 mm Image patch of fracture in PM 3 (microscope)

  9. Future of Modeling with 3D printed material Tilted fractures Horizontal fracture Vertical fractures 3D printed Material Combination of fracture systems

  10. Halite Core from a salt dome. 763mm 101.6 mm Core as it was delivered to AGL Core 1 Core 2 This part of core was cut for ultrasonic measurements

  11. Velocity of Compressional wave (Vp) and Shear wave (Vs) along of axis of Salt core. Density. Table 1. Results of three tests : Velocity Vp and Vs, and Vp/Vs ratio Ultrasonic transducers for P- and S-wave Velocity measurements with central frequency 500 kHz Density: Core 1 – 2.124 g/ cm3 Core 2 – 2.054 g/ cm3 Ro of salt core – 2.09±0.04 g/ cm3

  12. Salt core in device for anisotropy measurement. Salt core Device a) Front view Angle meter (Azimuth) Salt core b) Top view Ultrasonic transducers , Used Shear wave transducers – 0.5 MHz central frequency

  13. Azimuthal velocity of Compressional (Vp1) and Shear (Vs1) waves for section 1 of salt core-2 Azimuth was taken a confidential. Vp Vs Velocity, km/s Section 1

  14. Pressure dependent velocity (Vp and Vs) measurement within sample of core 2 (De-hua-Han Rock Physics Lab, UH, AGL) Halite cylindrical sample (D=36.84mm, L=50.36mm) Vp Vs Vp and Vs of Salt core 2 under Confining pressure Vp/Vs versus confining pressure

  15. Conclusions: • AGL physical modeling Laboratory has 3 Ultrasonic research systems: • a) Marine, b) Land, c) Ultrasonic measurement system. • They are used for modeling seismic survey, microseismic monitoring tests, time-lapse seismic, and characterization of rocks and material elastic properties. • Seismic physical modeling solve the geophysical problems in more economical and fast way. • Study properties of rocks support in interpreting field data • 3D printing material gives new opportunity for physical modeling of reservoir or rocks containing tectonic or hydraulic fractures in anisotropic medium.

  16. Acknowledgements: ConocoPhillips, AGL Dr. Peter Copeland Mr. Jose Baez-Franceschi Students of AGL Dr. De-hua Han Mr. Q. Yao Mr. F. Yan

  17. Thank you !

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