Agile methodology of well pad development
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ORIGINAL PAPER-PRODUCTION ENGINEERING
Agile methodology of well pad development Aleksandr Abramov1 Received: 13 July 2020 / Accepted: 24 August 2020 © The Author(s) 2020
Abstract Placing of wells in clusters with unequal number of thereof is an emerging concept of well pad development which still requires scrutiny even from a theoretical standpoint. The concept has its potential in improving economic efficiency of one of the most capital intensive processes in upstream sector of petroleum industry—the well pad drilling. To advocate and strengthen this profitability enhancing potential, this work integrates clustering of unequal number of wells into modern project management methodologies (agile project management), which has not been done before. It is shown that such symbiosis, which is called here the adaptive well pad development (or agile methodology of well pad development), has twofold benefit consisting of (1) managing of and accounting for uncertainties of real projects and (2) further improving economic performance of development projects in comparison with standalone well pad configurations with unequal number of wells. To exemplify these advantages, detailed simulations of well pad drilling projects were performed with equal and unequal number of wells in clusters. The simulation model accounting for more than 40 parameters and individual features of wells shows that combination of unequal well clustering configurations with adaptation of well pad designs to updates in project parameters results in significant improvements to the net present value (NPV). For three drilling scenarios studied in this work, the NPV increments ranged from 8 to 36%. Additionally, it was found that groupings with unequal number of wells consistently outperform groupings with equal number of wells in uncertain conditions, and NPV improvements from 10 to 20% have been obtained. These findings enrich understanding of the vast space of clustering schemes with unequal number of wells and demonstrate how these well pad configurations can be applied to use ever-changing environment to one’s advantage. On basis of this computational study, it is now valid to assert with high degree of certainty and confidence that industrial deployment of clustering with unequal number of wells in combination with proper organizational measures results in boost to the NPV of well pad development projects at the level of several to tens of percent. Keywords Multi-well pad · Drilling · Well clustering · Agile · Project management
Introduction and basic concepts Development of oil and gas fields from relatively small number of pads is recognized by the industry approach to reduce the surface footprint and environmental impact and increase overall economic efficiency of the upstream projects (Demong et al. 2013). Multi-well pad drilling technology has been experiencing its renaissance over the recent years because of active development of shale formations (Calderon et al. 2015). As will be shown in this section, many authors concentrate their efforts
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