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Keywords: dolomite
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1358
... ABSTRACT: This paper establishes an analytical model for dolomite acid-etched damage at the laboratory scale with the combination of reaction kinetics of acid-rock and damage mechanics, where the damage variable is defined as the reduction of effective bearing area. In addition, the expression...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1152
... in order to figure out that. The result shows that under the same experimental condition, brittle deformation occurs in tight dolomite, while plastic deformation appears in tight limestone; in addition, compressive strength and Young's modulus of dolomite surpass limestone. The deformation mechanism...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-180
... government Reservoir Characterization carbonate reservoir florida carbonate-rock specific gravity fdot database Upstream Oil & Gas quartz porosity bulk porosity specimen complex reservoir strength carbonate content Overview x-ray diffraction aragonite mineral dolomite calcite dry unit...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0311
... core Apatite Reservoir Characterization 54-cm core silicate porosity carbonate vertebra organic matter dolomite interior tomography shale gas resolution Imaging diameter calcite reconstruction pyrite 1. INTRODUCTION The unconventional hydrocarbon plays from mudrocks or shales...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0216
... Oil & Gas international journal complex reservoir strength shale gas Engineering composition dolomite hardness waterjet drilling structural geology breaking hole sandstone calcite humidity waterjet erosion mechanics moisture diameter mineral Feldspar 1. INTRODUCTION...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0896
... velocity, and magnetic susceptibility properties. The core was characterized as being a graphite carbonate phyllite with the carbonates being both calcite and dolomite. Regular variations with depth in the acoustic velocities were recognized and will provide information to inform the analysis...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-243
... Abstract: Shear along rock faults is always associated with wear of the sliding blocks that commonly results in the production of fine powder called gouge. We experimentally analyzed intensity of wear-rate and frictional strength during shear of dolomite and granite samples at slip-velocity...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-549
... in fracture aperture observed with CT images. Results of µXRF, µXANES and µXRD analyses reveal that preferential calcite dissolution and the spatial distribution of relatively insoluble dolomite and silicate minerals produced the non-uniform aperture widening. These results clearly point to the need...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-624
... shear test dolomite limestone strength normal stress strength parameter shear strength salt rock mudstone shear stress drop plane Shear Strength Parameter 1. INTRODUCTION Through direct shear tests, the shear stress-strain curves of rocks are drawn. With these curves, we can observe...
Proceedings Papers

Paper presented at the DC Rocks 2001, The 38th U.S. Symposium on Rock Mechanics (USRMS), July 7–10, 2001
Paper Number: ARMA-01-0663
... modeling fractures, dolomite barriers, and conductive olian bedding planes. In addition, the DFN approach is used to address the geometry of hydraulic compartments formed by networks of discrete features I INTRODUCTION The Oregon Basin in Wyoming contains major oil and gas reservoirs, with production from...
Proceedings Papers

Paper presented at the DC Rocks 2001, The 38th U.S. Symposium on Rock Mechanics (USRMS), July 7–10, 2001
Paper Number: ARMA-01-1251
..., Dunham dolomite, Solenhofen limestone, Shirahama sandstone and Yuubari shale. In this paper we present the results and analysis for the Dunham Dolomite and Shirahama Sandstone. The polyaxial data of Dunham dolomite was obtained from Mogi (1971), and the data for the Shirahama Sandstone was obtained from...
Proceedings Papers

Paper presented at the Vail Rocks 1999, The 37th U.S. Symposium on Rock Mechanics (USRMS), June 7–9, 1999
Paper Number: ARMA-99-0063
... an uplifted, box shaped, horst, which is separated ?om the valley floor by steep slopes at least 250 meters high. The rock mass, which consists of bedded dolomites and limestones, is intensely ?actured by two closely spaced, orthogonal, sub-vertical, and very persistent joint sets striking roughly parallel...
Proceedings Papers

Paper presented at the The 35th U.S. Symposium on Rock Mechanics (USRMS), June 5–7, 1995
Paper Number: ARMA-95-0367
... from two different dolomite rip-rap sites that have begun to seriously and prematurely deteriorate. For comparison, we also tested a clastic siliceous rock, Berea Sandstone, and a crystalline calcitic rock, Carthage Limestone. Seismic tests were consistently sensitive to structural anisotropy...
Proceedings Papers

Paper presented at the The 30th U.S. Symposium on Rock Mechanics (USRMS), June 19–22, 1989
Paper Number: ARMA-89-0529
... the ground, in an area of southern Austria where rock bursting is common in mines. Samples taken from the mines for standard laboratory experiments employing a triaxial stress system show rock failure along axial extension fractures. The rocks, mainly dolomites, are too brittle under these conditions to fail...
Proceedings Papers

Paper presented at the The 30th U.S. Symposium on Rock Mechanics (USRMS), June 19–22, 1989
Paper Number: ARMA-89-0563
... are controlled by geological changes. One example of this arose in the underground tests. A second hole was drilled to intersect an earlier hole at an angle of some 10 °. Upstream Oil & Gas dolomite abrasive jet drilling waterjet drill Drilling Equipment rotary coupling MPa granite Drilling...
Proceedings Papers

Paper presented at the The 25th U.S. Symposium on Rock Mechanics (USRMS), June 25–27, 1984
Paper Number: ARMA-84-0865
... in Silurian dolomite approximately 91 m below the ground surface. The caverns are oriented N-S with a 24-m-wide pillar between them. Prior to construction, rock mechanics studies were conducted in an L-shaped test adit at the location of the west cavern. The purpose of the rock mechanic studies...
Proceedings Papers

Paper presented at the The 25th U.S. Symposium on Rock Mechanics (USRMS), June 25–27, 1984
Paper Number: ARMA-84-0417
... Oil & Gas specimen application anhydrite Reservoir Characterization geophysics Rock mechanics dolomite Poisson log analysis borehole productivity dynamic poisson geophysical well log Permian Basin webster engineering corporation elastic property acoustic log repository bulk...
Proceedings Papers

Paper presented at the The 24th U.S. Symposium on Rock Mechanics (USRMS), June 20–23, 1983
Paper Number: ARMA-83-0309
... ABSTRACT The resistant Cedarville Dolomite forms natural cantilevers with overhangs of up to 3.7 m. Since the cantilevers are self-loaded, tensile stresses may be computed. Cantilevers measured in the field suggest a tensile strength of 0.33 MPa, while laboratory tests give an average...
Proceedings Papers

Paper presented at the 20th U.S. Symposium on Rock Mechanics (USRMS), June 4–6, 1979
Paper Number: ARMA-79-0225
... discontinuities in the rock combine unfavorably in places and lead to the loosening of blocks from the roof. Stabilization of the roof rock is necessary because of operational and safety considerations. The geologic section penetrated by the bore consists of massive, excellent quality Niagaran Dolomites...
Proceedings Papers

Paper presented at the The 18th U.S. Symposium on Rock Mechanics (USRMS), June 22–24, 1977
Paper Number: ARMA-77-0334
..., and an arch must have formed. Further instrumented tests are being run to adapt the principle of the yielding-pillar/pressure arch to the various requirements of both development and production panels. : The mining horizon is one of several beds of rocksalt interspersed with beds of shale and dolomite...

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