Climate Change Data Portal
| DOI | 10.1306/03061917346 |
| Static connectivity of stacked deep-water channel elements constrained by high-resolution digital outcrop models | |
| Jackson A.; Jackson A.; Stright L.; Hubbard S.M.; Romans B.W. | |
| 发表日期 | 2019 |
| ISSN | 0149-1423 |
| 起始页码 | 2943 |
| 结束页码 | 2973 |
| 卷号 | 103期号:12 |
| 英文摘要 | High-resolution digital outcrop models of stacked deep-water channel elements are constructed from the Laguna Figueroa section of the well-exposed Upper Cretaceous Tres Pasos Formation in Chilean Patagonia. The models are based on greater than 1600 m (>5250 ft) of centimeter-scale measured sections, greater than 100 paleoflow measurements, and thousands of differential global positioning systempoints (10-cm [4-in.] accuracy) froman outcrop belt that is approximately 2.5 km (~1.5 mi) long and 130 m (425 ft) thick. The models elucidate the effects bed-togeobody-scale architecture has on static sandstone connectivity among a series of stacked deep-water channel elements and how that connectivity is altered by grid cell size. Static connectivity analyses show that channel element base drapes can strongly influence sandstone connectivity and that smaller channel element widths are more likely to produce disconnected sandstone geobodies. Net-to-gross (NTG) is not directly correlated with connectivity because of the presence of thin channel element base drapes, which do not significantly contribute to NTG. Upscaling the models consistently inc,reases channel element contact (up to 10%) but decreases sandstone connectivity (up to 2%-3%). Channel element stacking patterns strongly impact connectivity. For example, connectivity is reduced in cases of high lateral channel element offsets. Increasing drape coverage markedly decreases connectivity. Evaluating connectivity in a vertical, along-systemprofile is critical to understanding flow units and reservoir piping. Ultimately, this work constrains uncertainty related to the impact of subseismic-scale stratigraphic architecture on reservoir connectivity by providing concrete knowledge that can be used to guide the model building process. © 2019 The American Association of Petroleum Geologists. All rights reserved. |
| 关键词 | SandstoneStratigraphyBuilding processChannel ElementsConnectivity analysisDeep-water channelsGlobal positioningReservoir connectivitiesStacking patternsStratigraphic architectureReservoirs (water)channel flowconnectivitydeep waterdigital terrain modelGPSmeasurement methodoutcroppipingsandstoneChilePatagonia |
| 语种 | 英语 |
| 来源机构 | AAPG Bulletin |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/131696 |
| 推荐引用方式 GB/T 7714 | Jackson A.,Jackson A.,Stright L.,et al. Static connectivity of stacked deep-water channel elements constrained by high-resolution digital outcrop models[J]. AAPG Bulletin,2019,103(12). |
| APA | Jackson A.,Jackson A.,Stright L.,Hubbard S.M.,&Romans B.W..(2019).Static connectivity of stacked deep-water channel elements constrained by high-resolution digital outcrop models.,103(12). |
| MLA | Jackson A.,et al."Static connectivity of stacked deep-water channel elements constrained by high-resolution digital outcrop models".103.12(2019). |
| 条目包含的文件 | 条目无相关文件。 | |||||
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。
