Well stimulation techniques like hydraulic fracturing, which can involve large financial investments, call for a basin- or reservoir-specific approach to maximize production. Integrated solutions use a performance-based process that integrates petrophysical and reservoir characterization expertise with production and completion knowledge by developing and refining more complete interpretation and completion models based on comprehensive data. This process includes the current service standard of design, execution, and evaluation, but goes far beyond basic well stimulation, which has historically used limited data. Another important feature of the integrated solutions is a proper risk assessment based on available data. Often, especially in old fields, information is out of date, limited, or unavailable. Combining together available pieces of information through the structured process helps put together the "big picture," which subsequently provides the support for engineering decisions.

Case histories discussed in this paper illustrate how distributed teams of experts use improved models to develop solutions for old wells and future development that focuses on ultimate productivity throughout well or reservoir productive life, regardless of boundaries between various technical disciplines. Cases of application for fracturing in Nurzhanov field, Kazakhstan, are discussed.

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