...-to-noise ratio and serious nonlinear trace-totrace time difference. In this abstract, we propose a feature template based nonlinear trace time difference (FT-NltD) correction method to correct nonlinear time difference, turning the nonlinear time difference to linear. Then, we propose geometric structure...

... both vertical and horizontal time differences) between corresponding event in the observed and synthetic wavefields, due to inaccuracies in the background velocity model. In this abstract, we introduce a unified nonlinear time difference detection inverse problem based on template matching and image...

... with greater flexibility and resilience. geologist artificial intelligence energy hpc orchestrator geology cloud computing information fusion reservoir characterization marketplace workflow management application interoperability hpc application exploration geophysicist extension template...

... thin coal layers. reservoir geomechanics exploration geophysicist template saturation porosity proportion scenario rock-physics template upstream oil & gas background sandstone reservoir international qi solution ltd reservoir characterization american association interpreting...

... have developed models based on effective-medium theories and triple-porosity equations in the acoustic case, to simulate the response to total and soft (crack) porosities and clay content. The results show that these properties play a significant role. Then, a 3D rock-physical template is built...

... hits (frac-hits) with an offset monitoring well on the same pad. Figure 1: The frac-hit template (a), the ORB keypoints (green Typically, frac-hits are identi ed by either manual inspection circles) detected on the template (b), and the ORB keypoints or as the maximum cumulative strain change...

... interference may adversely affect production. We propose the use of image-based algorithms such as template matching and convolutional neural network (CNN) on lowfrequency signals of distributed acoustic sensing (DAS) data to detect precursor events leading to a fracture hit. production control...

... Exploration & Development-Northwest, Petrochina, Lanzhou Summary sensitive dynamic parameters template is established. Meanwhile, seismic time-frequency analysis is conducted Karst fracture-cave reservoirs controlled by carbonate high- to obtain the time-frequency distribution characteristics of energy phase...

..., we have performed measurements on limestone samples under different confining pressures, and used the self-consistent approximation model and Biot-Rayleigh theory to simulate. Based on the dependence of seismic Q on the cracks, a multiscale attenuation template (RPT) is built, based on P-wave...

... stress and porosity on the wave response are described by the Biot-Rayleigh double-porosity model. By combining seismic wave attenuation, P-wave impedance and VP /VS ratio, temperature-pressure-porosity three-dimensional rock physics templates are developed. These templates are calibrated for a range...

... exposition reservoir surveillance template exploration geophysicist 10 track earthquake activity martin karrenbach acoustic sensing system production control upstream oil & gas production monitoring catalog aftershock fiber rapid deployment on-demand das monitoring sensor array das system...

... ABSTRACT Texas Seismological Network (TexNet) has been established to investigate patterns of induced seismicity across Texas. We improve detection sensitivity of TexNet to locatable events in West Texas using template matching. We use three earthquakes from three clusters as our templates...

.... The effects of these variations on seismic velocities can be modeled under different geologically plausible scenarios to understand the dynamism within a reservoir during recovery, and to monitor the reservoir throughout its production life history. In this study, rock physics template modeling, constrained...

... ABSTRACT A rock physics study is an important tool for the reservoir’s characterization. In this paper, we created a rock physics template for the anisotropic sand-shale interval as a function of porosity, impedance as variable parameters. These templates are basically cross-plots of acoustic...

... physics model that is calibrated for the changes in kerogen porosity and moduli of solid kerogen as a function of maturity in order to construct a rock physics template for organic-rich marl. The template incorporates the variations in maturity, kerogen content, lithology, and fluid saturation. We tested...

... porosity and permeability. Through the rock physics modelling, we build a template to distinguish the clean sandstone from the tuffaceous sandstone, as well as from the shale. Based on the characteristics of these three types of rocks, we select the corresponding rock physics models to calculate their P...

... physics templates (RPT) we propose a new fluid indicator by combining normalized ?? attribute with Poisson impedance. The new fluid indicator compromises the merits of the two attributes and effectively distinguishes the good quality reservoir zones from the tight sands and brain-saturated sands...

... clustering algorithms and that template matching can be used for detecting specific events. Presentation Date: Tuesday, September 26, 2017 Start Time: 2:40 PM Location: Exhibit Hall C, E-P Station 2 Presentation Type: EPOSTER annual meeting artificial intelligence urban area fantine huot...

... prediction, we firstly use theoretical model analysis to quantize the gas influence including the range and extent. Then, we build many models to achieve pre-stack forward modeling and acquire a series of correction templates which can be applied to quantitatively depth correction. According to our research...

... – 186 . Aki , K. , and P. G. Richards , 1980 , Quantitative seismology: Theory and methods , v. 1 : W. H. Freeman and Co . seismic data workflow qi parameter parameter choice reference list geological property template point coloured geological template seg seg...