... ABSTRACT: In this paper, the support vector machine model (SVM) was used to classify the earthquakes and blasting from the files recorded by an open pit copper mine seismic network. The database cleaning of false positive records (vibrations records not from blasting) must be supervised...

... this objective. The stability graph plots the hydraulic radius of the stope wall against its stability number N. In this context, the MineRoc® software is used to perform the back analysis of overbreak of stopes walls exploited through Sublevel Stoping in Chile. A database of over 600 cases is developed...

... on the MCF fit parameters were used to quantify the power law variability for each slope over time (as additional monitoring periods are added) and with the sequential addition of rockfalls to the database. The results of this research include guidelines for minimum rock slope monitoring time and database...

... and volume of rockfalls and creation of a high temporal resolution database. This database can then be leveraged to analyze trends in rockfall volume and frequency on an annual or seasonal basis. We provide an overview of the workflow applied for database development as well as preliminary results regarding...

... ABSTRACT: The Illinois Basin Decatur Project (IBDP) has piloted the process of large-scale injection of CO 2 into a deep saline reservoir. During the project, microseismic clouds were observed from locations that were not identified in any previous geological database. Based on the injection...

... and can be used for the construction of a comprehensive rockfall database. However, clustered change not representing true rockfalls is common, often accounting for the majority of identified objects. Identifying these erroneous clusters requires hours of manual verification; therefore, the search...

..., the stability number with water conditions is defined by N=AxBxCxQ′xJw. A database of 25 case histories is collected and analyzed for a mine with the presence of underground water with software MineRoc®. Stability boundaries are proposed based on the Equivalent Linear Overbreak/Slough (ELOS). The impact...

... that incorporates the field report into a unified database thereby improving the accuracy of estimated TBM utilization and updating the project schedule during the construction phase. INTRODUCTION AND BACKGROUND The growing need for tunnels in the present world demands a proficient method for construction...

..., scanning electron microscope (SEM), energy dispersive spectrometer (EDS), and atom force microscope (AFM) are used to measure the micromechanical properties of the shale. Then, the pyrite, feldspar, quartz, clay, calcite and OM are organized as the shale minerals database. The OM of the belt-like...

... reinforcement design it is necessary to take into account the differences between the behaviours of both the toe and collar zones. A generic reinforcement system configuration specification has been developed which clearly defines the geometric differences between these zones. In order to create a database...

... following the expansion of the original database and/or the re-calibration of the stability number factors. According to Madenova & Suorineni (2020), to date, five major stability graph variations exist: the Modified Mathews’ stability graph by Potvin (1988), the extended Mathews’ stability graph...

... planning well control pz6-3d geomechanical modeling annular pressure drilling drilling equipment well logging log analysis knowledge management digital technology optimize well planning high risk well reservoir geomechanics bha western china wei liu database bit selection tendency...

... vugs (e.g., vuggy limestone) affect rock elastic properties. Such macroporosity leads to challenges in deriving engineering properties of rock. This paper compiles an existing database for porosity and Young’s modulus of macroporous rocks. The database includes Young’s modulus determined from...

... authors do not understand the assumptions and purpose behind the tool. Such authors rely on application of statistics to the database with no idea of the practical implications of the outcome of their analysis. The downside of this is that so much confusion has been created in the mining industry...

... analysis of an in-situ database containing more than 110 minifrac tests and risk-based simulation analysis, this paper demonstrates the reliability of this safety factor at 80%. In the first part of this paper, we compiled a database containing more than 100 minifrac dataset across the Athabasca oilsands...

... as accompanying damage zones with a fracture density decreasing with distance from the fault core. This detailed fault zone model is automatically compared by using the Structural Similarity Index and difference images with a database of 432 models describing the fault zone as one uniform material homogenizing...

... the strength behavior of soft rocks. This paper focuses on the pile design improvement in soft rocks by relating SPT N-values to hammer blow counts at the end of driving (EOD), which are further related to pile resistances from CAPWAP, using eleven test piles from an electronic database (WyoPile). These two...

..., Niobrara wells were deviated, and the other shale plays were horizontal) in the created database were further processed by adding their production data to analyze the production data of the refractured wells and test the efficiency of refracturing as a stimulation technique to increase production. In terms...

... operation proven to help mitigate these issues. This paper discusses the WBS workflow implemented in the GoM to help minimize wellbore related non-productive time (NPT) events, building on previous published work (Tjioe & Husain, 2019). A GoM database comprising of subsurface information and drilling...

... rock strength properties based on petrographic indices that are easier to measure. In this study, a comprehensive literature review was performed to build a database containing petrographic and mechanical properties for sedimentary rock types. A subset of this database containing only sandstone rock...