... Ultrasonic measurements on rock samples are widely used for calibration of rock properties estimated from sonic log as well as surface and borehole seismic data. Analysis of these measurements involves picking traveltimes of P and S waves from waveforms recorded by ultrasonic transducers...

..., demonstrating super image quality in in-vivo diagnostic applications, with frame rates that are comparable to those of commercial ultrasound scanners. transducer health & medicine upstream oil & gas artificial intelligence deep learning reservoir characterization imaging real time system...

... monitoring fault reactivation upstream oil & gas seismicity transducer cycling american association reservoir characterization passive monitoring exploration geophysicist reactivation experiment international earthquake reactivation figure acoustic monitoring experiment applied...

... waves. upstream oil & gas transducer seismicity american association fracture characterization earthquake geophysics xfrac-h transducer reservoir characterization journal experiment society geophysical research-solid earth prejean international hydraulic fracturing frequency...

... geoscience transducer carbonate reservoir simulation chaves fm american association tensor sergipe-alagoas basin society brazil Comparative analysis between laboratory measurement and numerical simulation to evaluate anisotropy in Coquinas from Morro do Chaves Fm. A Brazilian pre-salt analog...

... ABSTRACT We have measured vibrational attenuation in rock salt (halite) using the ultrasonic pulse-transmission method in the lab. We undertook measurements on a variety of Gulf of Mexico (GoM) rock salt (>95% wt. of halite) samples using 1 MHz axial and shear transducers and estimated...

... ABSTRACT This paper presents a simplified analytic model of acoustic transducer based on acoustic wave theory and piezoelectric constitutive equations. This model can be used to analyze the frequency response characteristics of acoustic transducer comprised of different materials and optimize...

... transducer physical modeling experiment reservoir characterization geophysics ultrasonic measuring system accuracy new approach estimation university chichinina thomsen velocity anisotropy study Chichinina , T. I. , 2017 , Physical constraints on C 13 for transversely isotropic...

... Sciences transducer. Presentation Date: Wednesday, October 17, 2018 Start Time: 8:30:00 AM Location: 210C (Anaheim Convention Center) Presentation Type: Oral specification marine vibrator technology reservoir characterization mv jip marine vibrator reliability testing geophysical...

... Convention Center) Presentation Type: Oral surface area armature source level joint industry project specification daniel transducer specification reservoir characterization upstream oil & gas displacement physical science corp marine vibrator requirement reliability harmonic...

... probe frequency probe phase delay s-wave probe probe transducer orientation nonlinear interaction sample 3 relative orientation pump orientation seg seg international exposition time delay line correspond phase delay upstream oil & gas particle motion interaction How Fracture...

... Presentation Type: ORAL elastic property natural shale reservoir characterization coupling piston shale reservoir geomechanics fluid dynamics flow in porous media porosity experiment permeability oscillation compaction trend kaolinite correlation transducer artificial shale seg seg...

... detection climate change pipe leakage cloud transducer Akyildiz , I. F. , D. Pompili , and T. Melodia , 2004 , Challenges for efficient communication in underwater acoustic sensor networks : ACM Sigbed Review , 1 , 3 – 8 , 10.1145/1121776.1121779 . Artemov...

... transducers is 31% (an effective media average). The P-wave propagation direction parallel to foliation is influenced by layer thickness, while there is little sensitivity to layer thickness and composition in the direction perpendicular to foliation. We also study the velocity sensitivity to confining...

... trigger delay time characteristic reservoir characterization upstream oil & gas seg seg international exposition probe signal transducer Benson , P. M. , P. G. Meredith , E. S. Platzman , and R. E. White , 2005 , Pore fabric shape anisotropy in porous...

... and heated to 40°C. We were able to observe grain damage and porosity reduction due to applied confining pressure in clean quartz sand samples and quartz sand and bentonite samples. The pressure control system in combination with ultrasonic transducers will allow to visually observe pore scale changes...

... the experimental set-up caused by transmitted ultrasonic pulse. The results of the numerical modeling prove that transducers working in share mode also produce a compressional wave that propagates along the sample and can be recorded by a receiver. Simulated travel times of elastic waves are in a good agreement...

..., 2016 Start Time: 8:55:00 AM Location: 167 Presentation Type: ORAL seg seg international exposition salt sample mexico region gulf rock salt sample transducer ultrasonic lab measurement upstream oil & gas reservoir characterization well logging elastic property mexico well log...

... model with penny-shaped cracks. The printing material is ABS thermoplastic with a density of 1.04 g/cc, a P-wave velocity of 2179 m/s and a shearwave velocity of 887 m/s. The solid cube has porosity of about 4%. We use ultrasonic transducers (500 kHz) to measure both P- and shear-wave velocities. P-wave...

... specific nonlinear parameters, caused by the introduction of fluid into a Berea sandstone sample. pump signal upstream oil & gas interaction guyer probe experiment magnitude traveltime johnson seg denver 2014 amplitude transducer reservoir characterization nonlinear parameter renaud...