Woodford Shale

Lambert M. W. (1993) Internal stratigraphy and organic facies of the Devonian-Mississippian Chattanooga (Woodford) Shale in Oklahoma and Kansas. In Source Rocks in a Sequence Stratigraphic Framework, AAPG Studies in Geology 37. American Association of Petroleum Geologists, Tulsa, OK. pp. 163-176. 

Lewan, M.D., 1987. Petrographic study of primary migration in the Woodford Shale and related rock units. In Doligez, B. (ed.), 1987. Migration of hydrocarbons in sedimentary basins. 3rd IFP Exploration and Production Research Conference, 1987. Editions Technip, Paris, pp. 113—130... 

Michels R., Landais P., Philp R.P., Torkelson B.E. (1995) Influence of pressure and the presence of water on the evolution of the residual kerogen during confined, hydrous pyrolysis, and high-pressure hydrous pyrolysis of Woodford Shale. Energy Fuels 9, 204—15. 

Lewan MD (1983) Effects of thermal maturation on stable organic carbon isotopes as determined by hydrous pyrolysis of Woodford Shale. Geochim Cosmochim Acta 47 1471-1479 Lovelock JE, Whitfield M (1982) Lifespan of the biosphere. Nature 296 561-563... 

The Woodford Shale play is located in south-central Oklahoma it ranges in depth from 6000 to 11,000 feet (Table 5.6). This formation is a Devonian-age shale bounded by limestone (Osage Limestone) above and undifferentiated strata below (Figure 5.6). Natural gas production in the Woodford Shale began in 2003 and 2004 with vertical well completions only (Cardott, 2004) however, horizontal drilling has been adopted in the Woodford Shale, as in... 

Stratigraphy of the Woodford Shale. (Adapted from Cardott, B., Overview of Woodford Gas-Shale Play in OkJahorm, Oklahoma Geological Survey, Norman, OK, 2007 AAPG, Correlation of Stratigraphic Units of North America (CASUNA) Project, American Association of Petroleum Geologists, Tulsa, OK, 1987.)... 

Vulgamore, T, Clawson, T, Pope, C., Wolhart, W, Mayerhofer, M., and Waltman. C. (2007). Applying Hydratdic Fracture Diagnostics to Optimize Stimulations in the Woodford Shale, SPE-110029. Society of Petroleum Engineers, Allen, TX. 

Fig. 8. Changes in kerogen, bitumen, and expelled oil through an isothermal heating series of hydrous pyrolysis experiments conducted on aliquots of Woodford Shale...

Sierra et al. (2010) investigated the influence of lithofacies on the elastic properties of Woodford shale (Table 6.15). They found that clay has a particularly stTOTig influence on the shear anisotropy y. 

TABLE 6.15 Elastic Stiffness, Thomsen s Parameters, and Clay Content from Woodford Shale... 

Harris, N.B., Miskimins, J.L., Minich, C.A., 2011. Mechanical anisotropy in the woodford shale, peimian basin origin, magnitude, and scale. Lead. Edge 30, 2841-2891. March. 

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