Logistics of Marcellus Shale Stimulation: Changing the Face of Completions in Appalachia

Abstract The Appalachian Basin has long been known for its relatively shallow and associatively economical wells. However, in the fairly recent past the Marcellus Shale has caused a buzz in the industry reaching from the small independents of West Virginia to the established majors of Texas and beyond. This creates a two-fold problem for those parties interested in exploring this play. Firstly, how can the independents justify breaking into a tier of spending not typical of Appalachian Basin operations, and secondly, how can the majors create economical situations in an unfamiliar and challenging environment. Although uniquely different, the path to each solution is similar, both attempting to create an economical and successful project. This begins with careful planning, and a realistic approach. For those familiar with the terrain and environmental challenges, a focus upon fiscal planning and careful economic research is necessary to walk the fine line between feasibility and cutting yourself short. Others may be familiar to large-scale projects, but inexperienced in the challenge that is Appalachia terrain. All of this plays a direct impact on what may arguably be the most crucial aspect of the entire project – the stimulation design. Without proper planning and execution of site and approach construction, the majority of designs are moot. The facts are that Marcellus Shale wells demand large volumes of materials, delivered at a high rate. This paper will explore the logistic challenges that any operator could expect to encounter in the Marcellus Shale, and will discuss stimulation design options shown by field experience in over 150 stimulations.