Fracturing/pressure pumping

Completion Design Evaluated by Use of Field Offset Well-Pressure Measurements

Offset well-pressure measurements in the Permian Basin are analyzed to evaluate if a fracturing job is overstimulated.

Reservoir pressure profile of parent well production prior to child well stimulation.
Reservoir pressure profile of parent well production prior to child well stimulation.
SPE 201346

Increased injection volumes coupled with a suboptimal completion design can lead to overstimulation at current well-spacing densities. In the complete paper, the authors analyze offset well-pressure measurements in the Permian Basin to evaluate if a fracturing job is overstimulated. Additionally, numerical modeling studies are performed to evaluate the extent of overstimulation in different scenarios and provide recommendations to maximize the capital efficiency of a fracturing job. In their analysis, the authors focus on the scenario in which fracturing hits occur when child-well fractures intersect with the parent well.

Field Data Analysis

Pumping for the full designed volume and time (typically 90 minutes) according to well-stimulation procedures is currently common in the industry.

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