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Keywords: borehole
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Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the Gulf Rocks 2004, the 6th North America Rock Mechanics Symposium (NARMS), June 5–9, 2004
Paper Number: ARMA-04-503
... Upstream Oil & Gas äspö diorite strength skb report Reservoir Characterization stress magnitude shear zone experiment pillar stability experiment borehole heater experiment drift Stability Experiment reservoir geomechanics displacement brittle failure MPa äspö pillar...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the Gulf Rocks 2004, the 6th North America Rock Mechanics Symposium (NARMS), June 5–9, 2004
Paper Number: ARMA-04-497
...1. INTRODUCTION Coupled thermal and poromechanical processes play an important role in many geomechanics problems such as borehole stability analysis and studies of initiation and propagation of hydraulic fractures. Thermal effects, as well as poromechanical effects, can greatly change the stresses...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the Gulf Rocks 2004, the 6th North America Rock Mechanics Symposium (NARMS), June 5–9, 2004
Paper Number: ARMA-04-492
... of the drilling fluid s components on the rock grains. application of energy conservation law in the borehole during drilling operation. This was a novel approach compared with other works. They proposed that the change in internal energy of the borehole could be presented by the following Equation:(1) 1) where...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the Gulf Rocks 2004, the 6th North America Rock Mechanics Symposium (NARMS), June 5–9, 2004
Paper Number: ARMA-04-476
... increases the rotating time (RT) and bit cost (BT). Furthermore, in the case of running mud motor, additional trip is needed (increase in trip time, TT) and renting mud motor imposes additional cost. Hence, precise control of the borehole path can save ARMA/NARMS 04-476 Well Bore Washout and Under-balanced...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the Gulf Rocks 2004, the 6th North America Rock Mechanics Symposium (NARMS), June 5–9, 2004
Paper Number: ARMA-04-577
... well control annular pressure drilling Wellbore Design wedge wellbore integrity Upstream Oil & Gas fracture initiation Bridge fracture fracture tip initiation geometry in-situ stress Pressure improvement formation young fracture case borehole geometry hydraulic fracturing...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the Gulf Rocks 2004, the 6th North America Rock Mechanics Symposium (NARMS), June 5–9, 2004
Paper Number: ARMA-04-540
... Reservoir Characterization orientation well logging shear zone Upstream Oil & Gas physical property borehole San Andreas pilot hole macroscopic fracture breakout log analysis velocity anisotropy polarization direction Geophy Parkfield granite stress-induced seismic velocity...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the Gulf Rocks 2004, the 6th North America Rock Mechanics Symposium (NARMS), June 5–9, 2004
Paper Number: ARMA-04-570
... fracture characterization case 2 hydraulic fracturing borehole data Artificial Intelligence rectangular fracture Rock mechanics Intersection Type fracture Simulation Reservoir Characterization rectangle Mauldon Upstream Oil & Gas rock engineering diameter fracture length...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the Gulf Rocks 2004, the 6th North America Rock Mechanics Symposium (NARMS), June 5–9, 2004
Paper Number: ARMA-04-514
...-diameter boreholes. The overcoring cell was successfully tested down to 500-m depth [7]. The 500-m deep borehole was later used for hydraulic fracturing stress measurements by Stephansson and Ångman [8]. During testing of the SSPB stress measurement cell in the boreholes DBT-1 and DBT-3 just north of unit...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the Gulf Rocks 2004, the 6th North America Rock Mechanics Symposium (NARMS), June 5–9, 2004
Paper Number: ARMA-04-590
... Upstream Oil & Gas cohesion Reservoir Characterization Simulation Minneapolis perforation collapse test borehole Salt Wash North Sandstone job title loading version 4 Completion Installation and Operations confinement Itasca Consulting Group hydraulic loading MPa confinement...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the Gulf Rocks 2004, the 6th North America Rock Mechanics Symposium (NARMS), June 5–9, 2004
Paper Number: ARMA-04-521
... is a soft, inflatable stress measurement instrument that measures the strain changes on the wall of a borehole induced by stress changes in the rock mass. In each instrument, eighteen electrical resistance strain gauges of various orientations are pressure bonded directly onto the borehole wall. A multiple...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the Gulf Rocks 2004, the 6th North America Rock Mechanics Symposium (NARMS), June 5–9, 2004
Paper Number: ARMA-04-608
... reasonable penetration rates. However, high MW carries risks of lost circulation in non-salt zones, and this risk must be properly managed through knowledge of stresses. Salt does not present as serious drilling problems as fractured shale, but there are challenges such as washouts, rapid borehole closure...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-0019
...Pacific Rocks 2000. Girard, Liebman, Breeds & Doe (eds) © 2000 Salkema. Rotterdam, ISBN 90 5809 1554 Increasing drilling rate in deep boreholes by impulsive depressurization 11 Kolle Tempress Technologies Incorporated. Kent, Wash., USA ABSTRACT: Drilling rates decrease continuously with depth...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-0083
... soft rock were experimented. A series of boreholes extending to a maximum depth of 40 m were conducted. The conventional coring technique was modified to improve the quality of rock samples. Field Lugeon tests with in-the-hole water pressure measurement, hi~ stress pressuremeter tests (PMT) 83...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-0439
... and purity. In both the commonly used methods, the cross-measure boreholes and vertical gob wells, the factors affecting gas purity and capture efficiency are geologic and reservoir conditions, appropriate borehole siting, orientation and spacing, and bore-hole integrity. The best practices...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-0129
... tunnel 3 borehole specimen reservoir geomechanics Thickness marl investigation Reservoir Characterization support structure tunnel lining turmel Drilling observational method theoretical result lining permeablity girder Upstream Oil & Gas information diameter tunnel 1...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-0253
... in porous media isotropic plane borehole analytical solution University anisotropy coefficient parameter ratio Abousleiman poroelasticity Pacific Rocks 2000, Girard, Liebman, Breeds & Doe (eds) © 2000 Balkema, Rotterdam, ISBN 905809 1554 Porothermoelastic solutions for an inclined borehole...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-0715
... ABSTRACT ABSTRACT: A simple method for estimating fracture size from rock core or borehole images is presented. While the method presented in this paper is limited to circular fractures perpendicular to a borehole, generalizations to other cases are quite feasible. The approach utilizes data...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-0261
..., as follows: The results of the first step (excavation of the main borehole) were compared to Kirsch's solutions in the for a purely elastic analy- ses, or the analytical solutions of PBORE- 3D (Abousleiman et al., 1999) for the coupled pore fluid diffusion/deformation analyses. of the second step Figure 1...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-0823
... & Gas packer test borehole conductivity groundwater inflow Pacific Rocks 2000, Girard, Liebman, Breeds & Doe (edsJ O 2000 Balkema, Rotterdam, ISBN 90 5809 155 4 Estimation of block conductivity and scale-dependency on groundwater inflow into a tunnel in fractured rock K.Chang, E-Y. Lee, C-L. Kim...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-0641
... of the rock masses are selected as the main parameters to be determined. The so called back analysis shows that, after grouting, the stiffnesses of the filled joint are increased up to 6 times compared with those of the fresh joint. joint stiffness reinforcement borehole numerical approach shear...
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