... that was sampled. The effluent samples were stored at 2°C until further analysis on the following day. The field experiments were performed at the Røgen site, Jutland, Denmark. Two 25-m 2 plots were located at a tile-drained field with a structured sandy loam (Typic Hapludalf) soil type. Average clay...

... of Petroleum Geologists. All rights reserved. 2011 Velocity-porosity relationships have been extensively studied ( Wyllie et al., 1956 ; Raymer et al., 1980 ; Nur et al., 1998 ; Prasad and Dvorkin, 2001 ; Røgen et al., 2005 ), whereas velocity-permeability relationships have received less attention...

... porosity, and high friability ( Anderskouv et al. 2007 ; Hjuler and Fabricius 2009 ). Fig. 1.— A) Maastrichtian chalk sampled for disaggregation at B) Sigerslev quarry located on C) Stevns Peninsula, Denmark. The sampled chalk belongs to the Sigerslev Member ( Surlyk et al. 2006...

... ( φ 8 2 π 3 − 1 ) + 4 3 π ) + 4 ) − 1 . Røgen and Fabricius (2002) also show applicability of Kozeny's equation for chalk on a larger data set. In this study of North Sea chalk, we use specific surface to predict cementation factor. We also...

... properties of chalk , in B. Røgen, ed., 2002 , North Sea chalk—Textural, petrophysical, and acoustic properties : Ph.D. thesis, Technical University of Denmark, Kgs . Lyngby, Denmark , p. 13 – 47 . Ruddy , I. , M. A. Andersen , P. D. Patillo , M. Bishlawi , and N...

..., and, hence, is appropriate for the study of chalk microporosity ( Røgen & Fabricius 2002 ; Fabricius et al. 2007 ; Faÿ-Gomord et al. 2016 ). However, MICP provides no information on pore-body geometry and spatial porosity distribution, in addition to being sample-destructive and environmentally...

... nannofossil zonation at the Cretaceous/Tertiary boundary in Denmark . In : Birkelund , T. & Bromley , R.G. (eds) Cretaceous–Tertiary Boundary Events Symposium ., 1979 . 115 – 135 University of Copenhagen , Copenhagen . Røgen , B. , Fabricius , I.L. , Influence of clay...

... 9 2007 15 10 2007 Copyright ©2008. The American Association of Petroleum Geologists. All rights reserved. 2008 Ida Lykke Fabricius is an associate professor at the Department of Environment and Resources, Technical University of Denmark. She works within petrophysics and rock...

... , B. North Sea chalk – textural, petrophysical and acoustic properties . PhD thesis 2002 . Technical University of Denmark (DTU) . Røgen , B. , Fabricius , I.L. , Influence of clay and silica on permeability and capillary entry pressure of chalk reservoirs in the North Sea...

... hydrostatic pressure of 7 – 10 MPa . The estimated uncertainty on each data type is as follows: porosity, 0.01%; permeability, 4%; v p , 80 m / s ; and v s , 30 m / s . The first data set was from the Geological Survey of Denmark and Greenland laboratory...

..., which can be integrated to simultaneously estimate the porosity and saturation of the chalk. Finally, we analyze the uncertainty of our method and discuss the potential applications. The study area is located at Boesdal, Sjælland, Eastern Denmark, where field measurements were obtained...

... et al. 2002 ). This was a collaborative project between the Geological Survey of Denmark and Greenland (GEUS) and the Technical University of Denmark (DTU),with input from the Danish Geotechnical Institute. The project steering committee included representatives from theoperator and the Danish...

... of the low confining pressure and stiff samples. Porosities, densities, and acoustic velocities are given in Table 1 , in which data from Røgen et al. (2004) are included because they have not been tabulated previously. Table 1. Porosity, density of dry and water-saturated chalk, and acoustic...

... distribution in the North Sea chalk reservoirs . Marine and Petroleum Geology , 1 , 211 – 238 . Fabricius I.L. 2007 . Chalk: composition, diagenesis and physical properties . Bulletin of the Geological Society of Denmark , 55 , 97 – 128 . Fabricius I.L. Røgen B. Gommesen...

... OC 90 Lst c 8 Kenter et. al., 2002 Western GBB, ODP 166 Mio/Pliocene BH 306 Lst(dolo-calc) m 9 Rafavich et. al., 1984 North Dakota, U.S.A. Carboniferous BH 93 Lst(dolo-calc) c 10 Rogen et. al., 2005 North Sea, Denmark Cretaceous BH 56 Lst g 11 Schwab...

... Liège, Stevns Klint and Aalborg Chalk type Liège Stevns Klint Aalborg Quarry Hallembaye,Belgium Sigerslev,Denmark Roerdal,Denmark Age Campanian Maastrichtian Maastrichtian Silica content (%) <2 c . 1 2–7 Porosity (%) 40 45–50 45 Permeability (mD) 1–2 2–5 3–5...

... History and the Future 1977 London Methuen Lundqvist G. Bescrivning till Karta över landisens avsmältning och högsta Kustlinjen i Sverige. Sver. geol. Unders 1961 BA 18 Lundqvist J. Problems of the so-called Rogen moraine Sver. geol. Unders 1969 C648 1 32...

... for geothermal production and gas storage in Denmark ( Røgen et al., 2015 ; Kristensen et al., 2016 ; Vosgerau et al., 2016 , 2017 ). In addition, we evaluate the reservoir potential of a local lower Jurassic sandstone unit that overlies the Gassum Formation. Our results show that we are able to distinguish...

... et al., 1997 ) and 12 columns from Exp. 2. All 21 soil columns were collected at the depth of 2 to 22 cm at the Røgen field station in the northeastern part of Jutland, Denmark. The soil is a sandy loam developed from moraine deposits and is classified as a Typic Hapludalf. Clay, silt, sand...

... to the explanation of what circumstances are responsible for the chalk in several localities to have become very important fine-grained aquifers and petroleum reservoirs (e.g., Burland et al., 1990 ; Røgen and Fabricius, 2002 ; Fabricius et al., 2007 ; Anderskouv and Surlyk, 2012 ). Therefore, nonreservoir...