Report: The Roles of Fluid Properties, Half-Cycle Slug Size, …
The cores used, 1-in diameter and 10.5-in long, were drilled from a homogeneous Berea sandstone block, the permeability of which was about 150 mD. It was water wet and had low clay content. The core was saturated with an artificial connate brine and then aged for over 12 hours before flooded with oil to obtain certain oil saturation.
Efficiency of enhanced oil recovery using polymer-augmented low salinity …
Core samples of Berea and Bentheimer sandstones were used as porous mediums for ﬂooding process. Dimensions and physical properties of the samples are listed in Table 2. X-ray diffraction (XRD) analysis of both sandstone rocks (Figs. 1, 2) unveils rocks
Permeability and electrical conductivity changes due to …
The U.S. Department of Energy''s Office of Scientific and Technical Information OSTI.GOV Journal Article: Permeability and electrical conductivity changes due to hydrostatic stress cycling of Berea and Muddy J sandstone
Berea Sandstone Cores | Cleveland Quarries
Berea Sandstone™ Petroleum Cores. For over 25 years, the Petroleum Industry has been using Berea Sandstone™ as the sandstone test material of choice. The Berea Sandstone™ has excellent, uniform material properties. Researchers throughout the world have performed thousands of core flooding tests using the Berea Sandstone™ to characterize ...
The Bluestone Formation is a geologic formation in West ia. It is the youngest unit of the Upper Mississippian-age Mauch Chunk Group. A pronounced unconformity separates the upper boundary of the Bluestone Formation from sandstones of the overlying Pennsylvanian-age Pocahontas Formation. Two formally named subunits of the Bluestone ...
Experimental measurements of the streaming potential and …
Berea sandstone saturated with NaCl solutions of different conductivities. We present the laboratory set-up for quan-titative measurements of the seismoelectric voltage induced with single or multi-cycle sine bursts after the acoustic pres-sures are quantitatively ...
Field Guide to Berea Sandstone Outcrops in the Black River Valley …
Berea Sandstone at 12 stops along the Black River in Elyria, OH (Figs. 1, 2). Using informal names, the Elyria section comprises Berea Sandstone, over red "Red Bedford" Shale, over grey Bedford Shale (with siltstones), over Cleveland Shale (Fig. 3). Their ages
Zhan et al. (2009) investigated Berea sandstone using direct laboratory measurements and digital technique for porosity, permeability, specific internal surface, and electrical properties. Figure 2.45 shows on the left side a core sample. For the investigation, it was subdivided into sub-volumes 1–5.
Effect of Cyclic Formation-Pressure Changes on …
For Berea sandstone, the results obtained using a pressurization cycle duration of 60 minutes are shown in Fig. 5. It is noted here that no change in permeability was observed for cycle durations of less than 60 minutes. From Fig. 5, it can be seen that the P. 91^
(PDF) Study of low-salinity waterflooding for single-and …
Permeability in Berea sandstone is a function of clay content (Mungan, 1965;Sharma et al., 1985) with lower permeability samples having higher clay mineral content . We interpret the observations of lower sensitivity to low salinity injection as reflecting the lower clay content of the higher permeability Berea.
Reconstruction of Berea sandstone and pore-scale modelling of wettability effects. Journal of Petroleum Science and Engineering 39 177199.]. The model was further tested on a carbonate sample from subsurface Oman for which it is not possible to identify grains easily.
Resonant Ultrasound Spectroscopy studies of Berea …
· Berea sandstone is a relatively soft, porous material that is highly attenuating to sound and attributes most of its mechanical properties to quartz, which is its major constituent. Berea sandstone has a porosity of 13% to 23% and is composed of 93.13% silica, 3.86% alumina, 0.54% ferrous oxide, 0.25% magnesia, 0.11% ferric oxide, and 0.10% calcium oxide ( ).
Effects of water content and loading rate on the mechanical properties of Berea Sandstone
300 points, Berea Sandstone has a median grain size of 0.15 mm with a sorting coefficient of 0.74. Based on the Folk sandstone classification, Berea Sandstone is classified as a subarkose containing 72% quartz, 6% feldspar, and 4.3% other rock type
Berea Cores at Kocurek Industries Texas, Leading Berea …
Berea cores for oil field research. Very tight tolerance core surface matching, highest quality at the best price. Contact Kocurek Industries for Berea cores. Kocurek Industries INC. Hard Rock Division 8535 State Highway 36 S Caldwell, TX 77836 Phone: (979) 596-3504 ...
EarthRef Reference Database (ERR) -
Permeabilities dropped by 30% for Berea sandstone and 90% for Muddy J sandstone after thre cycles; however, total pore volume always returned to its initial value; after each cycle. Water salinity had little effect on these results.
Berea Sandstone Cores | Cleveland Quarries
To see a full selection of petroleum core samples, please email [email protected] . Cleveland Quarries supplies Berea Sandstone™ Cores in a wide variety or shapes and sizes; raw core blocks for customer cutting, cut core blocks, cylindrical cores (1/2" and up), and dimensioned cores (rectangular, square, and irregular shapes).
Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones make up about 20 to 25 percent of all sedimentary rocks. Most sandstone is composed of quartz or feldspar (both silicates) because they are the most resistant minerals to weathering processes at the Earth''s surface, as seen in the Goldich dissolution series.
Supercritical CO2 core flooding and imbibition in Berea …
· This paper reports a numerical simulation study of a full CO 2 core flooding and imbibition cycle on a Berea sandstone core (measured 14.45 cm long and 3.67 cm in diameter). During the test, supercritical CO 2 (at 10 MPa and 40 C) and CO 2-saturated brine was injected into one end of the horizontal core and a X-ray CT scanner (with a resolution of 0.35 mm × 0.35 mm) was employed to …
The Roles of Fluid Properties, Half-Cycle Slug Size, and …
Coreflood experiments were performed in Berea sandstone core, from which the WAG performance, such as percent oil recovery, tertiary recovery factor, and CO 2 /Gas utilization factor were determined. The core flooding experiments were conducted at 60 o C and at miscible condition, i.e., 20% above the minimum miscible pressure (MMP) of the oil sample.
A magnetic resonance study of pore ﬁlling processes …
A magnetic resonance study of pore ﬁlling processes during spontaneous imbibition in Berea sandstone Quan Chen MRI Centre, Department of Physics, P.O. Box 4400, University of New Brunswick, Fredericton, New Brunswick E3B 5A3, Canada Murray K. Gingras ...
DEVELOPMENTS IN CENTRIFUGE MEASUREMENTS OF RELATIVE …
cycle starts with secondary drainage and proceeds with spontaneous imbibition. Four strongly water wet Berea sandstone core plugs and three chalk core plugs with variable wettability were used in the experimental program. The results show that in the case of ...
Dynamic acousto-elasticity in Berea sandstone: …
· To this purpose, we perform acousto-elasticity on a sample of Berea sandstone and a glass beads pack, oscillating them from 0.001 to 10 Hz. These results are then compared to DAE measurements made in the kHz range.
Supercritical CO2 core flooding and imbibition in Berea …
Abstract This paper reports a numerical simulation study of a full CO 2 core flooding and imbibition cycle on a Berea sandstone core (measured 14.45 cm long and 3.67 cm in diameter). During the test, supercritical CO 2 (at 10 MPa and 40 °C) and CO 2 -saturated brine was injected into one end of the horizontal core and a X-ray CT scanner (with a resolution of 0.35 mm × 0.35 mm) was employed ...
Berea Sandstone Cycle
Berea Sandstone Cycle berea-sandstone-cycle 1618 Berea Sandstone Quarries The quotBig Quarryquot 11 1718 Dunham Tavern 10 1818 Berea District Seven School 10 1882 First Congregational United Church of Christ of Berea 4 1918 University Circle 12 2018 The Berea Triangle 12 2118 Hiram House 11 2218 The Stearns Homestead 11 2318 Lyceum Square 7 2418 Bain Park Cabin 5
SILURIAN, DEVONIAN, AND MISSISSIPPIAN HYDROCARBON-RICH …
21. Measured section of Berea Sandstone (cliff stone)..... 29 22. Ball-and-pillow structures near base of Berea Siltstone, Alexandria-Ashland Highway . 30 23. Asymmetrical ball …
International Journal of Greenhouse Gas Control
MPa in a Berea sandstone core. Carbon dioxide saturation data were collected using the steady-state ... 2 saturation of each cycle was greater than that of the previous cycle. During the injection of acycle,CO 2 displacedwaterin wetting-phasedrainageprocess 2 ...
Elastic wave attenuation and velocity of Berea …
· Using measurements in the frequency domain we have measured quality factor Q and travel times of direct and side‐reflected elastic waves in a 1.8 m long sample of Berea sandstone. The frequency domain travel time (FDTT) method produces the continuous‐wave ...
A constitutive relationship for mechanical hysteresis of …
· Each type of sandstone displays distinctive features like the local maxima at low stress values and large excitation amplitude in Berea- and Pietra Serena sandstone. However, it appears that they all share properties, which are common also to the theoretical curves of figure 7 .
Wettability and Adsorption Characteristics of Crude-Oil …
Langmuir-type adsorption on Berea sandstone was observed in adsorption studies of the asphaltene and polar fractions. Additional analysis with brine-saturated Berea sandstone resulted in adsorption values up to three times less than that for dry Berea.
Evaluation of multistage triaxial testing on Berea sandstone
However, critical to the recovery of meaningful data is the definition of the stress cycle termination point. We propose a new approach to defining the termination point. In this study, plugs from a common block of Berea sandstone were tested using both conventional and multistage triaxial testing methods.
Prediction of three-phase relative permeabilities of Berea …
· Three-phase flows through a pore network of Berea sandstone are studied numerically under critical interfacial tension conditions. Results show that the relative permeability of each fluid increases as its own saturation increases. The specific interfacial length ...
Li Ning, Zhang Ping, Cheng Guodong .Study on the low-cycle dynamic test of frost-fracture sandstone[J].Natural Science Progress,2001,11（11）：1175-1180. 27 .[D].：
Berea Grit Sandstone – Berea Historical Society
Berea Grit is sandstone which forms the middle layer of the Waverly group of geological rock formations in Ohio, outcropping in the northern part of the state. Berea Grit is sandwiched between two other layers of stone: below it lies red Bedford limestone, while immediately above it is Berea Shale and Cuyahoga Shale, each about 10 or 15 feet thick.
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