FBA Rapid Diagnostics and Rapid Lookbacks in the Permian Basin
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Subsurface Dynamics was tasked with performing a comparison of frac efficacy and reservoir quality on two Permian Basin wells.
The wells were part of a 10 well multi-bench pad, offsetting two Parent wells.
Client: Confidential
Field: Midland Basin
SSD utilized its proprietary flowback analysis (FBA) workflow and software platform to provide rapid, cost-effective diagnostics to differentiate between hydraulic fracture efficacy and reservoir quality.
Analysis utilized typical post-frac production test data previously collected by the operator and therefore no additional field costs were associated with the analysis. Both wells had comparable pumped completions.
Well 1 had ~5 days of flowback data and produced significant hydrocarbon volumes, while Well 2 had ~7 days of flowback data and produced primarily water and small amount of gas.
Comparison of Flowback Water Rates
Comparison of Flowback Hydrocarbon Rates
WELL 1 | RAW DATA AND DIAGNOSTIC PLOTS
WELL 1 | FRACSEED
WELL 1 | FRACSOLVE
WELL 1 and WELL 2 | RESULTS COMPARISON
CASE STUDY | RESULTS
The FBA diagnostic highlights the variability in achieved completion parameters with the same design for wells on the pad. An assessment of long-term productivity indicates that both executed frac parameters and reservoir heterogeneity are key drivers to well performance in the play.
The analysis identified the degree of reservoir heterogeneity anticipated over short distances within the asset. This detailed well-by-well assessment can be used to significantly improve the resolution of reservoir mapping, which is typically limited to a small number of vertical control points.
Understanding reservoir quality is critical for selecting a fit-for purpose design for a given location to maximize productivity and prevent over-capitalization.
Study provided critical insights into well performance and optimal completion design at a fraction of the cost of fully integrated analysis.
WELL 2 | FLOWBACK ANALYSIS
FBA is a state-of-the-art technique providing rapid diagnostics and rapid lookbacks to help you get ahead of capital spending. Without incurring additional field costs, it provides critical insights 6-12 months sooner than conventional methods.
FBA is a streamlined, simple-to-use cloud-based software package. It was developed with a focus on data integration, automation, and producing high-quality outputs from typical engineering workflows, with limited manpower and intervention.