The validity of generic trends on multiple scales in rock-physical and rock-mechanical properties of the Whitby Mudstone, United Kingdom

Ambrose, 2008, Geologic factors controlling CO2 storage capacity and permanence: case studies based on experience with heterogeneity in oil and gas reservoirs applied to CO2 storage, Environ. Geol., 54, 1619, 10.1007/s00254-007-0940-2 Britt, 2009, The geomechanics of a shale Play: what makes a shale prospective Busch, A., Schweinar, K., Kampman, N., Coorn, A., Pipich, V., Feoktystov, A., Bertier, P., 2016. Shale Porosity-What Can We Learn from Different Methods?. In Fifth EAGE Shale Workshop. http://dx.doi.org/10.3997/2214–4609.201600391. Chesapeake, 2010 Coates, 1966, Experimental criteria for classification of rock substances, Int. J. Rock Mech. Min. Sci., 3, 181, 10.1016/0148-9062(66)90022-2 Dewhurst, 2006, Impact of fabric, microcracks and stress field on shale anisotropy, Geophys. J. Int., 165, 135, 10.1111/j.1365-246X.2006.02834.x Ewy, 2010 Fjær, 2014, The impact of heterogeneity on the anisotropic strength of an outcrop shale, Rock Mech. Rock Eng., 47, 1603, 10.1007/s00603-014-0598-5 Frimmel, 2004, Chemostratigraphy of the Posidonia Black Shale, SW Germany I. Influence of sea-level variation on organic facies evolution, Chem. Geol., 206, 199, 10.1016/j.chemgeo.2003.12.007 Gasparik, 2014, Geological controls on the methane storage capacity in organic-rich shales, Int. J. Coal Geol., 123, 34, 10.1016/j.coal.2013.06.010 Ghanizadeh, 2014, Experimental study of fluid transport processes in the matrix system of the European organic-rich shales: II. Posidonia Shale (Lower Toarcian, Northern Germany), Int. J. Coal Geol., 123, 20, 10.1016/j.coal.2013.06.009 Herber, 2010, Geoperspective oil and gas in The Netherlands – is there a future?, Neth. J. Geosci., 89, 91 Hesselbo, 2000, Massive dissociation of gas hydrate during a Jurassic oceanic anoxic event, Nature, 406, 392, 10.1038/35019044 Holt, 2011, 1 Holt, 2015, Brittleness of shales: relevance to borehole collapse and hydraulic fracturing, J. Pet. Sci. Eng., 131, 200, 10.1016/j.petrol.2015.04.006 Hornby, 1998, Experimental laboratory determination of the dynamic elastic properties of wet, drained shales, J. Geo. Res., 103, 29945, 10.1029/97JB02380 Houben, 2016, Microstructural characteristics of the Whitby Mudstone Formation (UK), Mar. Pet. Geol., 70, 185, 10.1016/j.marpetgeo.2015.11.011 Houben, 2016, Microstructures of early jurassic (toarcian) shales of Northern Europe, Int. J. Coal Geol., 165, 76, 10.1016/j.coal.2016.08.003 Houben, 2014, A comparative study of representative 2D microstructures in Shaly and Sandy facies of Opalinus Clay (Mont Terri, Switzerland) inferred form BIB-SEM and MIP methods, Mar. Pet. Geol., 49, 143, 10.1016/j.marpetgeo.2013.10.009 Hucka, 1974, Brittleness determination of rocks by different methods, Int. J. Rock Mech. Min. Sci., 11, 389, 10.1016/0148-9062(74)91109-7 Jarvie, 2007, Unconventional shale-gas systems: the Mississippian Barnett Shale of north-central Texas as one model for thermogenic shale-gas assessment, Am. Assoc. Pet. Geol. Bull., 91, 475 Jenkyns, 1985, The Early Toarcian and Cenomanian-Turonian anoxic events in Europe: comparisons and contrasts, Geol. Rundsch., 74, 505, 10.1007/BF01821208 Jin, 2014, Fracability evaluation in shale reservoirs-an integrated petrophysics and geomechanics approach, 1 Johnston, 1996, Seismic anisotropy of shales, Int. J. Rock Mech. Min. Sci. Geomech. Abstr., 33, 72A, 10.1016/0148-9062(96)83943-X Josh, 2012, Laboratory characterisation of shale properties, J. Pet. Sci. Eng., 88–89, 107, 10.1016/j.petrol.2012.01.023 Kanitpanyacharoen, 2012, Mineral preferred orientation and microstructure in the Posidonia Shale in relation to different degrees of thermal maturity, Clays Clay Min., 60, 315, 10.1346/CCMN.2012.0600308 Klaver, 2016, BIB-SEM pore characterization of mature and post mature Posidonia Shale samples from the Hils area, Germany, Int. J. Coal Geol., 158, 78, 10.1016/j.coal.2016.03.003 Klaver, 2015, BIB-SEM characterization of pore space morphology and distribution in postmature to overmature samples from the Haynesville and Bossier Shales, Mar. Pet. Geol., 59, 451, 10.1016/j.marpetgeo.2014.09.020 Klaver, 2012, BIB-SEM study of the pore space morphology in early mature Posidonia Shale from the hils area, Germany, Int. J. Coal Geol., 103, 12, 10.1016/j.coal.2012.06.012 Littke, 1991, Keys to the depositional history of the Posidonia Shale (Toarcian) in the Hils Syncline, northern Germany, Geol. Soc. Lond. Spec. Publ., 58, 311, 10.1144/GSL.SP.1991.058.01.20 Mathia, 2016, Evolution of porosity and pore types in organic-rich, calcareous, lower Toarcian Posidonia shale, Mar. Pet. Geol., 75, 117, 10.1016/j.marpetgeo.2016.04.009 Mavko, 2003, 17 Maxwell, 2011, Enhanced reservoir characterization using hydraulic fracture microseismicity Passey, 2010, From oil-prone source rock to gas-producing shale reservoir – geologic and petrophysical characterization of unconventional shale-gas reservoirs, 1707 Powell, 2010, Jurassic sedimentation in the cleveland basin: a review, Proc. Yorksh. Geol. Soc., 58, 21, 10.1144/pygs.58.1.278 Rexer, 2014, High-pressure methane adsorption and characterization of pores in posidonia shales and isolated kerogens, Energy Fuels, 28, 2886, 10.1021/ef402466m Rickman, 2008, A practical use of shale petrophysics for stimulation design optimization: all shale plays are not clones of the Barnett Shale, 1 Rybacki, 2016, What controls the mechanical properties of shale rocks? - part II Brittleness, J. Pet. Sci. Eng, 144, 39, 10.1016/j.petrol.2016.02.022 Rybacki, 2015, What controls the mechanical properties of shale rocks? - Part I: strength and Young's modulus, J. Pet. Sci. Eng., 135, 702, 10.1016/j.petrol.2015.10.028 Sayers, 2008, The effect of low aspect ratio pores on the seismic anisotropy of shales, 2750 Sondergeld, 2011, Elastic anisotropy of shales, Lead. Edge, 30, 324, 10.1190/1.3567264 Sone, 2013, Mechanical properties of shale-gas reservoir rocks - Part 1: static and dynamic elastic properties and anisotropy, Geophysics, 78, D381, 10.1190/geo2013-0050.1 Suarez-Rivera, 2006, Effect of layered heterogeneity on fracture initiation in tight gas shales Ter Heege, 2015, Sweet spot identification in underexplored shales using multidisciplinary reservoir characterization and key performance indicators: example of the Posidonia Shale formation in The Netherlands, J. Nat. Gas. Sci. Eng., 27, 558, 10.1016/j.jngse.2015.08.032 Thomsen, 1986, Weak elastic anisotropy, Geophysics, 51, 1954, 10.1190/1.1442051 Tsuneyama, 2005, Velocity anisotropy estimation for brine-saturated sandstone and shale, Lead. Edge, 24, 882, 10.1190/1.2056371 Van Bergen, 2013, Shale gas evaluation of the early jurassic posidonia shale formation and the carboniferous epen formation in The Netherlands, AAPG Hedb. Mem., 103, 1 Vanorio, 2008, Emerging methodologies to characterize the rock physics properties of organic-rich shales, Lead. Edge, 27, 780, 10.1190/1.2944163 Vernik, 1997, Velocity anisotropy in shales: a petrophysical study, Geophysics, 62, 521, 10.1190/1.1444162 Vernik, 1992, Ultrasonic velocity and anisotropy of hydrocarbon source rocks, Geophysics, 57, 727, 10.1190/1.1443286 Warpinski, 1987, Influence of geologic discontinuities on hydraulic fracture propagation (includes associated papers 17011 and 17074), J. Pet. Tech., 39, 209, 10.2118/13224-PA Yang, 2013, Comparison of brittleness indices in organic-rich shale formations, 1398 Zhubayev, 2016, Ultrasonic velocity and attenuation anisotropy of shales, Whitby, United Kingdom, Geophysics, 81, D45, 10.1190/geo2015-0211.1 Zijp, 2015, Shale gas formation research: from well logs to outcrop - and back again, First Break, 33, 99, 10.3997/1365-2397.33.2.79275