Carbonate Pore Systems: New Developments and Case Studies
Lateral and Vertical Trends of Preferred Flow Pathways Associated with Bioturbated Carbonate: Examples From Middle to Upper Jurassic Strata, Central Saudi Arabia
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Published:January 01, 2019
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Hassan Eltom, Stephen T. Hasiotis, 2019. "Lateral and Vertical Trends of Preferred Flow Pathways Associated with Bioturbated Carbonate: Examples From Middle to Upper Jurassic Strata, Central Saudi Arabia", Carbonate Pore Systems: New Developments and Case Studies, Donald F. McNeill, Paul (Mitch) Harris, Eugene C. Rankey, Jean C.C. Hsieh
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Shallow to deeply penetrating bioturbation by organisms on carbonate shelves can alter the original depositional texture of carbonate sediments, rearrange and modify the primary porosity and permeability patterns, and effectively increase the overall flow properties in multiple intervals. To explore the impact of bioturbation on reservoir quality and its spatial and vertical patterns, this study examined sedimentologically, ichnologically, and geostatistically ubiquitous bioturbated strata throughout outcrops of the Middle Jurassic Tuwaiq Mountain Formation and Upper Jurassic Hanifa Formation in central Saudi Arabia. Each lithofacies within the studied intervals had an ichnofabric index (ii) range from nonbioturbated (ii1) to beds completely homogenized...
- Arabian Peninsula
- Asia
- biogenic structures
- bioturbation
- burrows
- carbonate rocks
- Demospongea
- fluid flow
- Glossifungites
- Hanifa Formation
- ichnofabric
- ichnofossils
- Jurassic
- Kimmeridgian
- Mesozoic
- Middle Jurassic
- Ophiomorpha
- Oxfordian
- paleoenvironment
- permeability
- Porifera
- porosity
- Rhizocorallium
- Saudi Arabia
- sedimentary rocks
- sedimentary structures
- shallow-water environment
- Skolithos
- Thalassinoides
- three-dimensional models
- two-dimensional models
- Upper Jurassic
- Cladocoropsis
- Jubaila Formation
- Tuwaiq Mountain Formation
- Ulayyah Member
- Hawtah Member