3D digital photorealistic models from the field to the lab

Alfarhan, Mohammed; Alhumimidi, Mansour S.; Cline, Jarvis; White, Lionel; Aiken, Carlos L. V.

doi:10.1007/s12517-020-05517-1

Cited by 3 publications

(4 citation statements)

References 14 publications

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“…3D laser scanning is a measurement technology based on laser ranging, which can collect densely distributed point clouds from the surface of objects and record relevant information such as shape, reflectivity, texture, etc. Its resolution can attain the millimeter scale [33,53]. However, it might be difficult to extract fracture characteristics from point clouds [28].…”

Section: Doms Generationmentioning

confidence: 99%

“…These developments have facilitated production workflows for obtaining large-scale DOMs. Some scholars detailed the specific workflows for DOMs data acquisition and processing using LiDAR technology [28][29][30][31][32][33]. In addition, the rapid development of digital photogrammetry has promoted the emergence of alternative methods to build DOMs with less expensive costs and fast data acquisition [34][35][36][37][38].…”

Section: Introductionmentioning

confidence: 99%

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A Workflow for Interpretation of Fracture Characteristics Based on Digital Outcrop Models: A Case Study on Ebian XianFeng Profile in Sichuan Basin

Liang,

Liu,

et al. 2023

Lithosphere

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Collecting information about fracture attributes through outcrops measurement is crucial for analyzing the scale, distribution, orientation, and spatial arrangement of fractures. The emergence of digital outcrop models (DOMs) provides a new technology for quantitative interpretation of fractures. However, large-scale DOMs pose additional challenges to the practical application, particularly in the interpretation of geological elements (e.g. fractures). This research proposes a workflow for fracture characteristics interpretation based on DOMs. First, DOMs are generated using light detection and ranging scanning technology. Then, a 3D visualization platform is developed based on OpenSceneGraph. We use level-of-detail technology to reconstruct DOMs for multiscale fast visualization of large-scale models. Finally, in order to realize the quantitative interpretation of fractures, we propose the best-plane fitting and the feature information (orientation, length, spacing, etc.) extraction methods for two types of fractures (exposed fracture walls and fracture traces). The proposed methods are applied to extract attributes of fractures in Dengying Formation (second member), Ebian, Xianfeng, southwest Sichuan Basin, China. The results provide the basis for reservoir evaluation in this area.

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Section: Doms Generationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A Workflow for Interpretation of Fracture Characteristics Based on Digital Outcrop Models: A Case Study on Ebian XianFeng Profile in Sichuan Basin

Liang,

Liu,

et al. 2023

Lithosphere

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“…Three-dimensional laser scanning is a measuring technique that relies on laser ranging and is commonly used in geoscience. The 3D coordinates, reflectivity, and texture of dense spots on the surface of the scanned object may be accurately captured using 3D laser scanning, and the resolution of 3D laser scanning can reach millimeters [38,40]. In this study, the 3D laser point cloud data of the whole research region was obtained using the Austrian Riegl-vz400 laser scanner.…”

Section: Creation Of Digital Outcrop Modelsmentioning

confidence: 99%

“…Then, with the mesh model matched with the high-resolution picture, the 3D digital outcrop texture realistic model can be obtained. Nowadays, many geological researchers prefer the 3D digital outcrop texture model developed using lidar scanning because it has greater accuracy and can fulfill object modeling with high complexity [23,[38][39][40]. However, the interpretation of the high-precision 3D digital outcrop texture model created by lidar scanning is mostly manual or semiautomatic [41][42][43].…”

Section: Introductionmentioning

confidence: 99%

3D Quantitative Characterization of Fractures and Cavities in Digital Outcrop Texture Model Based on Lidar

et al. 2022

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The combination of lidar and digital photography provides a new technology for creating a high-resolution 3D digital outcrop model. The digital outcrop model can accurately and conveniently depict the surface 3D properties of an outcrop profile, making up for the shortcomings of traditional outcrop research techniques. However, the advent of digital outcrop poses additional challenges to the 3D spatial analysis of virtual outcrop models, particularly in the interpretation of geological characteristics. In this study, the detailed workflow of automated interpretation of geological characteristics of fractures and cavities on a 3D digital outcrop texture model is described. Firstly, advanced automatic image analysis technology is used to detect the 2D contour of the fractures and cavities in the picture. Then, to obtain an accurate representation of the 3D structure of the fractures and cavities on the digital outcrop model, a projection method for converting 2D coordinates to 3D space based on geometric transformations such as affine transformation and linear interpolation is proposed. Quantitative data on the size, shape, and distribution of geological features are calculated using this information. Finally, a novel and comprehensive automated 3D quantitative characterization technique for fractures and cavities on the 3D digital outcrop texture model is developed. The proposed technology has been applied to the 3D mapping and quantitative characterization of fractures and cavities on the outcrop profile for the Dengying Formation (second member), providing a foundation for profile reservoir appraisal in the research region. Furthermore, this approach may be extended to the 3D characterization and analysis of any point, line, and surface objects derived from outcrop photos, hence increasing the application value of the 3D digital outcrop model.

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Incorporating outcrop observations and laboratory measurements in 3D reservoir models: An integrated study to enhance the workflow of modeling bioturbated carbonate reservoirs

Eltom

Yassin

Cline

et al. 2023

Marine and Petroleum Geology

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3D digital photorealistic models from the field to the lab

Cited by 3 publications

References 14 publications

A Workflow for Interpretation of Fracture Characteristics Based on Digital Outcrop Models: A Case Study on Ebian XianFeng Profile in Sichuan Basin

A Workflow for Interpretation of Fracture Characteristics Based on Digital Outcrop Models: A Case Study on Ebian XianFeng Profile in Sichuan Basin

3D Quantitative Characterization of Fractures and Cavities in Digital Outcrop Texture Model Based on Lidar

Incorporating outcrop observations and laboratory measurements in 3D reservoir models: An integrated study to enhance the workflow of modeling bioturbated carbonate reservoirs

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