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- W4256356763 abstract "Summary The determination of the minimum horizontal (in-situ) stress (MHS) is one of the most-important aspects in the characterization of geomechanical behavior of petroleum reservoirs because a good knowledge of such stress is critical in many activities of practical importance, including design of hydraulic-fracturing treatments and estimation of the distribution of MHS for reservoir-simulation purposes. The main objective of the study is to calibrate well logs with available mini-frac data for estimating the MHS in the tight-gas Monteith formation, Nikanassin Group of the Western Canada Sedimentary Basin. For deep formations such as Monteith, the minimum stress is generally horizontal. Thus, the focus of this research is the MHS of the Monteith formation. First, actual values of the MHS at different well locations are acquired from the analysis of surface-pressure data during mini-frac treatments. Next, the estimates calculated from an existing correlation and from actual mini-frac data are matched for calibration purposes. Finally, vertical and horizontal Biot's constant values are determined to generate a correlation applicable to the Monteith formation. Vertical Biot's constant ranging between 0.1 and 0.45 is obtained in this study, whereas horizontal Biot's constant is found to vary from 0.94 to 1.0. Three vertical wells located in the same township with available compressional and shear sonic logs and mini-frac data are selected for this work. The Monteith was hydraulically fractured in these wells in isolation. This aspect is important because there are many commingled completions in the area from which selective Monteith data are not available. Five additional wells in the same general area are selected to assist in the analysis. It is concluded that assuming vertical and horizontal Biot's constants equal to 1.0 is not appropriate for the Monteith formation in the study area. The procedure presented in this paper, which uses real data, is robust and has the potential to help in obtaining more-reliable geomechanical values in other tight formations around the world." @default.
- W4256356763 created "2022-05-12" @default.
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- W4256356763 date "2015-04-07" @default.
- W4256356763 modified "2023-09-23" @default.
- W4256356763 title "Calibration of Well Logs With Mini-Frac Data for Estimating the Minimum Horizontal Stress in the Tight-Gas Monteith Formation of the Western Canada Sedimentary Basin: A Case Study" @default.
- W4256356763 cites W2032156129 @default.
- W4256356763 doi "https://doi.org/10.2118/168594-pa" @default.
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