نتایج جستجو برای: resource estimation

تعداد نتایج: 470612  

Journal: :Journal of Petroleum Exploration and Production Technology 2014

2000
Andrew M. Peacock David S. Renshaw John M. Hannah

There is often a trade-off between the accuracy and the speed of optical flow techniques. Given similar computational resources, this trade-off results in some techniques making infrequent but accurate estimates of motion while others make more frequent but less accurate estimates. This paper proposes a novel method which enables the results of the more accurate techniques to be used to improve...

Nowadays, kriging has been accepted as the most common method of grade estimation in mineral resource evaluation stage. Access to the crisp assay data and a variogram model are the necessary means for the utilization of this method. Since fitting a crisp variogram model is generally difficult, if not impossible, the fitted theoretical model is usually tainted with uncertainty due to various rea...

Resource planning in large-scale construction projects has been a complicated management issue requiring mechanisms to facilitate decision making for managers. In the present study, a computer-aided simulation model is developed based on concurrent control of resources and revenue/expenditure. The proposed method responds to the demand of resource management and scheduling in shell material emb...

This paper presents the procedures used for determining and defining the tonnage and grade of the coalfields of Kangal basin from the developed GIS-aided block model. In this work, firstly, all the lithological logs of drill holes and chemical analysis data of core in the basin were analyzed with the help of geostatistics, and then the digital raster maps of each one of the attributes such as t...

2001
Lionel C. Briand Isabella Wieczorek

2011
Harsha Perera Tim B. Swartz

This paper investigates the suitability of the Duckworth-Lewis method as an approach to resetting targets in interrupted T20 cricket matches. Whereas the Duckworth-Lewis method has been adopted in both international T20 matches and in the Indian Premier League, there has been growing objections to its use in T20. In this paper, we develop methodology for the estimation of a resource table desig...

2003
Yujuan Bao Xiaobai Sun Kishor S. Trivedi

We present a framework of adaptive estimation and rejuvenation of software system performance in the presence of aging sources. The framework specifies that a degradation model not only describe an aging process but also enable the adaptation of model-based performance estimates to on-line measurements of data pertaining to the aging process. The adaptive estimation uses model-based a priori es...

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