Search Results - "Marrett, Randall"

Correlation analysis of fracture arrangement in space by Marrett, Randall, Gale, Julia F.W., Gómez, Leonel A., Laubach, Stephen E.

“…We present new techniques that overcome limitations of standard approaches to documenting spatial arrangement. The new techniques directly quantify spatial…”
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Rigorizing the use of the coefficient of variation to diagnose fracture periodicity and clustering by Hooker, John N., Marrett, Randall, Wang, Qiqi

“…The coefficient of variation (CV), or ratio of a population standard deviation to mean, can distinguish regular spacing (CV < 1) or clustering (CV > 1) from…”
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Analysis of spatial arrangement of fractures in two dimensions using point process statistics by Corrêa, Rodrigo S.M., Marrett, Randall, Laubach, Stephen E.

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The nature and origins of decametre-scale porosity in Ordovician carbonate rocks, Halahatang oilfield, Tarim Basin, China by Ukar, Estibalitz, Baqués, Vinyet, Laubach, Stephen E., Marrett, Randall

“…At >7 km depths in the Tarim Basin, hydrocarbon reservoirs in Ordovician rocks of the Yijianfang Formation contain large cavities (c. 10 m or more), vugs,…”
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Microfracture spacing distributions and the evolution of fracture patterns in sandstones by Hooker, J.N., Laubach, S.E., Marrett, R.

“…Natural fracture patterns in sandstone were sampled using scanning electron microscope-based cathodoluminescence (SEM-CL) imaging. All fractures are…”
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The nature and origins of decametre-scale porosity in Ordovician carbonate rocks, Halahatang oilfield, Tarim Basin, China by Ukar, Estibalitz, Baqués, Vinyet, Laubach, Stephen E., Marrett, Randall

“…At >7 km depths in the Tarim Basin, hydrocarbon reservoirs in Ordovician rocks of the Yijianfang Formation contain large cavities (c. 10 m or more), vugs,…”
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The nature and origins of decameter-scale porosity in Ordovician carbonate rocks, Halahatang oilfield, Tarim Basin, China by Ukar, Estibalitz, Baqués, Vinyet, Laubach, Stephen E, Marrett, Randall

“…At 7+ km depths in the Tarim Basin, hydrocarbon reservoirs in Ordovician rocks of the Yijianfang Formation contain large cavities (∼10 m or more), vugs,…”
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Quantifying opening-mode fracture spatial organization in horizontal wellbore image logs, core and outcrop: Application to Upper Cretaceous Frontier Formation tight gas sandstones, USA by Li, J.Z., Laubach, S.E., Gale, J.F.W., Marrett, R.A.

“…The Upper Cretaceous Frontier Formation is a naturally fractured gas-producing sandstone in Wyoming. Regionally, random and statistically more clustered than…”
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Microfractures in bed-parallel veins (beef) as predictors of vertical macrofractures in shale: Vaca Muerta Formation, Agrio Fold-and-Thrust Belt, Argentina by Ukar, Estibalitz, Lopez, Ramiro G., Laubach, Stephen E., Gale, Julia F.W., Manceda, René, Marrett, Randall

“…Shales of the Upper Jurassic-Lower Cretaceous Vaca Muerta Formation are the main source rock for petroleum in the Neuquén Basin, Argentina and an important…”
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Fracturing and fluid flow in a sub-decollement sandstone; or, a leak in the basement by Hooker, John N, Larson, Toti E, Eakin, Autumn, Laubach, Stephen E, Eichhubl, Peter, Fall, András, Marrett, Randall

“…Crack-seal texture within fracture cements in the Triassic El Alamar Formation, NE Mexico, shows that the fractures opened during precipitation of quartz…”
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Correlation analysis of fracture arrangement in space by Marrett, Randall, Gale, Julia F. W., Gómez, Leonel A., Laubach, Stephen E.

“…We present new techniques that overcome limitations of standard approaches to documenting spatial arrangement. The new techniques directly quantify spatial…”
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Quantifying diagenetic and stratigraphic controls on fracture intensity in platform carbonates: An example from the Sierra Madre Oriental, northeast Mexico by Ortega, Orlando J., Gale, Julia F.W., Marrett, Randall

“…Normalized fracture intensity measured along 1D scanlines was used to compare fracture intensity for different sedimentary facies, stratigraphic position, bed…”
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Microfractures in bed-parallel veins (beef) as predictors of vertical macrofractures in shale: Vaca Muerta Formation, Agrio Fold-and-Thrust Belt, Argentina by Ukar, Estibalitz, Lopez, Ramiro G., Laubach, Stephen E., Gale, Julia F. W., Manceda, René, Marrett, Randall

“…Not provided…”
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Spatial arrangement and size distribution of normal faults, Buckskin detachment upper plate, Western Arizona by Laubach, S.E., Hundley, T.H., Hooker, J.N., Marrett, R.A.

“…Fault arrays typically include a wide range of fault sizes and those faults may be randomly located, clustered together, or regularly or periodically located…”
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Determining brittle extension and shear strain using fault-length and displacement systematics: Part I: Theory by Twiss, Robert J., Marrett, Randall

“…We derive the exact equations by which the continuum approximation to the extensional and shear strains can be determined from measurements of fault-lengths or…”
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Late Miocene–early Pliocene onset of N–S extension along the southern margin of the Central Andean Puna Plateau: Evidence from magmatic, geochronological and structural observations by Montero Lopez, M.C., Hongn, Fernando D., Strecker, Manfred R., Marrett, Randall, Seggiaro, Raúl, Sudo, Masafumi

“…Extensional faulting typifies many of the Earth's Cenozoic orogenic plateaus. The Altiplano–Puna Plateau in the southern central Andes is the world's second…”
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Determining brittle extension and shear strain using fault length and displacement systematics: Part II: Data evaluation and test of the theory by Twiss, Robert J., Marrett, Randall

“…We use the theoretical relations developed in Part I of this work to evaluate the self-consistency of fault-length and fault-displacement data gathered in…”
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Response of intracontinental deformation in the central Andes to late Cenozoic reorganization of South American Plate motions by Marrett, Randall, Strecker, Manfred R.

“…New stratigraphic, chronologic, and fault kinematic data from the Quebrada del Toro in northwestern Argentina provide a detailed view of late Cenozoic…”
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Prediction of macrofracture properties using microfracture information, Mesaverde Group sandstones, San Juan basin, New Mexico by Ortega, Orlando, Marrett, Randall

“…A better understanding of relationships between microfractures and macrofractures is prerequisite to the extrapolation of observed microfracture properties as…”
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Aggregate properties of fracture populations by Marrett, Randall

“…Empirical studies indicate that the individual attributes of both faults and extension fractures follow power-law scaling. Aggregate properties of fracture…”
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