... The ultimate challenge for shear-waves is to deliver amplitudes in depth and imaging reliability of P-waves, for estimation of reservoir quality, geomechanical parameters for well completion, and 3D/4D fluid-pressure characterization. Coherent converted P- to S-wave (PS-wave) depth imaging...

... Uncertainty quantification provides quantitative measures on the reliability of candidate solutions of ill-posed inverse problems. Due to their sequential nature, Monte Carlo sampling methods require large numbers of sampling steps for accurate Bayesian inference and are often computationally...

... of- predictions. In Bayesian modeling, there are two main types ten lacks interpretability and reliability due to the black-box of uncertainty, data/aleatoric uncertainty and model/epistemic nature of, for example, neural networks. In this paper, we uncertainty (Kiureghian and Ditlevsen, 2009). The data uncer...

... term inversion inverted model upstream oil & gas information seg international exposition reliability norm inversion Quantifying uncertainties of deterministic geophysical inversions using mixed Lp norms Xiaolong Wei and Jiajia Sun, Department of Earth and Atmospheric Sciences, University...

... on which scenarios DAS can successfully improve images of important structures in the subsurface, and presents an efficient method for obtaining reliability statistics. Presentation Date: Monday, October 12, 2020 Session Start Time: 1:50 PM Presentation Time: 4:20 PM Location: 362C Presentation Type...

... Seismic reliability is demonstrated using criteria based on data quality, rock physics analysis, seismic forward modeling, and seismic amplitude observations for reservoirs that exhibit direct hydrocarbon indicator (DHI) characteristics. When used for reserves bookings, seismic observations must...

... features in the node assists with size and weight, but also provides less points of failure to ensure operational reliability. The development history of this nimble node and the results of multiple field trials in various environments are reviewed. Presentation Date: Monday, October 15, 2018 Start Time...

... disciplines to design a system to meet the required output levels, distortion, and reliability. A discussion of governing physics, design trades, and measured acoustic and reliability performance is presented. Presentation Date: Wednesday, October 17, 2018 Start Time: 8:30:00 AM Location: 210C (Anaheim...

... Field, Alberta, Canada. Synthetic tests are carried out to investigate the reliability of moment tensor (MT) solutions, especially with respect to the seismic source location relative to the two monitoring wells. The tests show that a narrow region of unreliable solutions, exhibiting high bias...

... to the imbalance of reflection wave amplitude and consequently reducing the reliability of the thickness prediction of thin bed using reflection amplitude. In addition, the seismic data with random noise can affect the robustness of reflection amplitude used to identify the thickness of thin bed. To improve...

... Summary The azimuth information derived from prestack seismic data at target layers is very sensitive to many aspects of the analysis process, making reliability a serious issue. This is true for both AVAZ and VVAZ analysis. In this paper we analyze some of the major factors affecting...

... itself. There are several major technical challenges to flying node development that must be overcome including: Obtaining a sufficiently low cost, low volume node to make a single vessel 10,000 node crew practical. Obtaining a sufficiently high system and node reliability. Acquiring high quality...

... for AVA effect assessment and characterization. Introduction The detailed analysis of prestack data has proven to be a reliable way to increase drilling rate success. Simulating the AVA behavior, to match with the real seismic data, starts with a rock physics and fluid substitution sensitivity...

... an internal chamber. Our design process is based on advanced fluid-dynamics simulation to optimize acoustic performance, and mechanical finite-element simulation to ensure structural robustness. This is validated by physical tests to calibrate the models, improve reliability, and characterize the final...

... Summary The scale and complexity of seismic acquisition systems have increased by orders of magnitude over the last 30 years. Efficiency and economy of operation is facilitated by the evolution of miniature, high-reliability electronics, but conventional seismic sensors have now become...

... information and reflects some minor faults which can t be identified easily in original seismic data. We believe our method can effectively improve the accuracy and reliability of fault interpretation and meet the requirements of fracture system interpretation in different stages of exploration...

..., and as an additional benefit, storage throughput performance has improved. solid-state drive storage card algorithm overcome io challenge seg denver 2014 node compute node compute accelerator annual international meeting throughput reliability requirement upstream oil & gas configuration...

... complex overburden acquisition geometry subsurface location illumination subsurface model subsalt uncertainty upstream oil & gas seg houston 2013 ray fan trajectory duane dopkin paradigm reservoir characterization seismic data quality azimuth reliability Summary...

... Summary We explore the reliability of three-term AVO inversion under conditions of varying random noise and varying far offset source-receiver reflection angle. We use stochastic forward modeling with noise followed by AVO inversion which allows calculation of Bayesian probabilities for AVO...

.... This unprecedented operational performance is enabled through the unparalleled technical reliability of the autonomous nodes along with the application of blended source acquisition and a single sided survey geometry to reduce survey duration while maintaining the benefits of wide azimuth and long offset acquisition...