First Results of Formalization of Drilling Knowledge by the Event Bush Method

First Results of Formalization of Drilling Knowledge by the Event Bush Method

Pavel Komar (Donetsk National Technical University, Donetsk People's Republic, formerly Ukraine), Alexander Khokhulia (Donetsk National Technical University, Donetsk People's Republic, formerly Ukraine) and Yuri Gatchin (ITMO University, Russia)
Copyright: © 2018 |Pages: 13
DOI: 10.4018/978-1-5225-5261-1.ch015

Abstract

Geological drilling, being one of the key methods of investigation of the earth's interior and extraction of hydrocarbons and groundwater, represents a highly promising, urgent, yet virtually uncovered area for dynamic knowledge representation. In one sense, it favors some straightforward solution; in another, it brings serious challenges – such as interdisciplinarity and difference in reasoning by formulae and by concepts. Most importantly, existing conceptual models developed in the static knowledge representation paradigm generally do not reflect the dynamic character of the process of drilling. This chapter aims only to start paving this road by examining whether, and how, the principal method of dynamic knowledge representation, the event bush, may work in the interdisciplinary domain of drilling.
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Geological Knowledge: Drilling With And Without Core Output

The first thing that occurs to one’s mind about drilling is consequent penetration of layers of rock. This idea, however trivial, is the basement of all our knowledge about the geological aspect of drilling. Hence, exactly this should be represented first of all in terms of the event bush (Figure 1).

Figure 1.

Event bush describing the drilling of a rock sequence without core output

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