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Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, May 10–12, 2016
Paper Number: ISRM-ISRS-2016-001
... Upstream Oil & Gas variation stability Reservoir Characterization McKINNON Finland Johansson lntematlonal symposium orientation geological structure seismic event ln-5hu rock stress stress condition stress measurement interaction structural geology information characteristic...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, May 10–12, 2016
Paper Number: ISRM-ISRS-2016-015
... measurements and displacement measurements with 2-D and 3-D numerical modeling. Continued rock stress measurements and rock stress change monitoring are actively used to calibrate the numerical models. This forms a tripod of information, which gives reliable modeling results used for active operation planning...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-055
... of the boreholes, core discing, and failing to be fractured, will be encountered in the stress measurements. The phenomena, including the brittle failures of the intact rock mass and core discing are directly related to high stress level. Hence, abundant information can be obtained by interpretation...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-013
... ABSTRACT: Downhole microseismics has gained in popularity in recent years as a way to characterize hydraulic fracturing sources and to estimate in-situ stress state. Conventional approaches only utilize part of the information contained in the microseismic waveforms such as the P/S amplitude...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-003
.... Together with geological and morphological information and borehole and drillcore data one establish the Best Estimate Stress Model (BESM). In the next step, called Stress Measurement Methods (SSM), newstress data from borehole methods and core-based methods are recorded and evaluated. Thereafter, data...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-135
..., and including the change compositions with extremely complex and meaningful information with very rich. The clear precursor change features and impending informations were remarkably demonstrated before some earthquakes with different epicentral distances and magnitudes. Specifically, there were some unloading...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-136
... measure seismic Reservoir Characterization well water level Earthquake roeloff strain change china earthquake network center water level information Geophy earthquake network center Wenchuan Earthquake correlation coefficient Rock Stress and Earthquakes Xie (ed.) © 2010 Taylor & Francis...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-131
... existed in strain waves. 1 GENERAL INSTRUCTIONS Most precursor instruments are digitalized in our country in this years, their sampling rate is 1 time per minute. Signals such as daily, monthly, yearly or longer periodic information are hided in the observational data. Under normal circumstances...

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