Project Summary
Subsurface Dynamics was tasked with identifying the critical performance drivers on a series of offsetting Duvernay wells showing dramatically different productivity over the first 18 months of production.
client : Artis Exploration
FIELD : TWINNING, ALBERTA
DATE : 2022-2023
Scope of Work
STAGE 01 : SSD utilized its proprietary flowback analysis (FBA) workflow and software platform (Athena FBA) 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 Artis (0 added field costs).
STAGE 02 : SSD implemented simplified numerical simulation to provide confirmation that the critical fracture and matrix parameters estimated from the short- term flowback data could reproduce the productivity trends observed in the field, without sacrificing on execution time or cost.
18- Month Oil Rate-Cumulative for 3 Study Wells
FBA History-Match on Top Per forming Study Well
RESULTS
- The executed completions and petrophysical formation properties of the study wells were comparable. Outperforming well was completed with tighter cluster spacing – remains critical to avoid over-capitalization and detrimental cluster interference while pumping.
- Based on the rapid FBA diagnostic, the out- performing well showed moderately higher residual fracture conductivity (after damage) and matrix permeability, while showing significantly larger conductive fracture area.
- Analysis indicates that well performance is driven primarily by hydraulic fracture conductive area. No degradation in fracture conductivity or geometry associated with tighter cluster spacing.
- Study provided critical insights into well performance and optimal completion design at a fraction of the cost of fully integrated analysis.
Comparison of Fracture and Matrix Parameters Estimated Using FBA
ABOUT ATHENA FBA
FBA (Flowback Analysis) 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.
Athena FBA is a streamlined, simple-to-use cloud-based software package that is integrated into SSD’s AETHEN.IO platform. AETHEN.IO was developed with a focus on data integration, automation, and producing high-quality outputs from typical engineering workflows, with limited manpower and intervention.
