Systems Approach and Quantitative Decision Tools for Technology Selection in Environmentally Friendly Drilling

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Title: Systems Approach and Quantitative Decision Tools for Technology Selection in Environmentally Friendly Drilling
Author: Yu, Ok Y.
Abstract: One of the petroleum industry ?s goals is to reduce the environmental impact of oil and gas operations in environmentally sensitive areas . To achieve this , a number of Environmentally Friendly Drilling (EFD ) technologies have been developed to varying degrees . For example , the use of an elevated platform as an alternative to the gravel pad is less intrusive and leads to a more environmentally friendly approach to drilling operations . Elevated drilling platforms will require the use of piles . Another alternative to the gravel pad is the use of composite mats . Since the demand of low impact technologies for drill site construction has rapidly increased , the parametric study for the feasibility of using pile foundations and composite mats is conducted in this research . Even though a number of EFD technologies have already been developed to varying degrees , few have been integrated into a field demonstrable drilling system (i .e . , combination of technologies ) compatible with ecologically sensitive areas . In general , it is difficult to select the best combination of EFD technologies for a given site because there are many possible combinations and many different evaluation criteria . The proposed technology evaluation method is based on a systems analysis that can be used for integrating current and new EFD technologies into an optimal EFD system . An optimization scheme is suggested based on a combination of multi -attribute utility theory and exhaustively enumerating all possible technology combinations to provide a quantitative rationale and suggest the best set of systems according to a set of criteria , with the relative importance of the different criteria defined by the decision -maker . In this research , the sensitivity of the optimal solution to the weight factors and the effects of the uncertainty of input scores are also discussed using a case study . An application of the proposed approach is described by conducting a case study in Green Lake at McFaddin , TX . The main purpose of this case study is to test the proposed technology evaluation protocol in a real site and then to refine the protocol . This research describes the results of the case study which provided a more logical and comprehensive approach that maximized the economic and environmental goals of both the landowner and the oil company leaseholder .
URI: http : / /hdl .handle .net /1969 .1 /ETD -TAMU -2009 -05 -515
Date: 2010-01-16

Citation

Systems Approach and Quantitative Decision Tools for Technology Selection in Environmentally Friendly Drilling. Available electronically from http : / /hdl .handle .net /1969 .1 /ETD -TAMU -2009 -05 -515 .

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