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Keywords: coefficient
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Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-086
... = coefficient of thermal expansion for cylinder. Solving the equation, assuming that the tempera- ture is constant within the immediate area surround- ing the instrument, results in: 01 TTbbu c = (5) Following a similar derivation, and considering the borehole can be approximated as a hollow cylinder...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-056
... of the fluid and ionic species are linearly related to the various relevant potential gradients and they are all one dimensional. (3) Isothermal conditions exist.(4) The sample is isotropic and homogeneous. (5) All coefficients of conductivity with respect to different gradients are constant with time...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-082
... image experiment hydraulic fracturing injection cycle MPa test ctc08 fracture geometry reservoir geomechanics x-ray ct technique porosity pressure diagnostic fracture shut-in period coefficient closure pressure open-hole interval geometry square-root plot g-function plot 1...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-103
... Abrasivity Coefficient (ABR or LAC) can be used as a measure for both the abrasivity of the material and the influence of the grain size. A calibration chart has been established using different artificial and natural granular materials, containing both rounded and angular grains, different rock materials...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-074
... stress intensity factor initial crack length specimen hydraulic fracturing construction materials typical method dimension ratio analytical method subcritical crack growth interpolation corrective method coefficient rock panel crack length relaxation test dolomite specimen...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-122
.... 2002). However, it was not comprehensively and systematically studied in the past. stability analysis gully coefficient slope surface composition debris flow sediment Field Experiment solver Artificial Intelligence debris flow fan experiment slip surface sediment artificial rainfall...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-208
... is then estimated to be 205 tonnes. The length of the sliding section L at each end of a failed casing can be obtained from: (2) where s is the static coefficient of friction between the casing and the rock mass [0.7], n is the normal stress on the outside of the casing [unknown], and is a parameter defining...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-211
... reflection coefficient (e.g. Lomba et al. 2000). However, the membrane effi- ciency tells only part of the story. It is becoming in- creasingly clear that one must account for the cou- pling between fluid/ion transport and the mechanical response of the shale, for example using chemoporoe- lastic theory...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-213
... coefficient of a = 1. A strong pressure dependence of penetration depth exists in Berea sandstone for confining pres- sures up to 3000 psi. The data in Figure 2 is divided into data from experiments without pore pressure and with varying levels of pore pressure; the effec- tive stress is calculated assuming...