Schlumberger

AvantGuard Advanced Flowback Services

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Optimize productivity in fractured wells with integrated modeling, monitoring, and control

AvantGuard advanced flowback services optimize well performance from poststimulation operations through production. Ongoing, real-time monitoring ensures the well is being operated within a secure operating envelope—protecting both the hydraulic fractures and your ROI during the lifetime of the well.

Continuously operate within the zone of stability

AvantGuard services are based on the application of the secure operating envelope, which is a combination of operational parameters that preserve the connection between hydraulic fractures and the wellbore. Operational parameters are defined from real-time pressure and production data, including solids production monitoring. 

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Damage to the well and the formation is actively prevented by tailoring a predictive flowback design strategy with a defined secure operating envelope—compared with conventional rate transient analysis used for identifying postfracture impairment.

Minimize proppant flowback and solids production

Operational parameters are defined from real-time pressure and production data, including solids production monitoring. Changes in production rates are measured using the Vx Spectra surface multiphase flowmeter, which accurately captures multiphase flow dynamics in any flow regime for all fluid and solid types. Ongoing monitoring with real-time analysis minimizes proppant flowback and solids production.

Preserve connection between the hydraulic fractures and the wellbore

Application of AvantGuard services for predictive flowback design during the transition to production protects and stabilizes hydraulic fractures to efficiently enable all the clusters in each zone to produce without productivity impairment. Advanced characterization of well performance also enables an optimal choke management strategy that preserves the connection between both the hydraulic fractures and the wellbore—optimizing productivity in conventional and unconventional wells.

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Real-Time Monitoring Minimizes Flowback Completion Damage

Chart showing flowrates in Well 2 were within the recommended SOE limit.
AvantGuard services’ integration of geomechanical modeling, data analysis, and real-time solids monitoring enabled a Permian basin operator to preserve the connection established between the hydraulic fractures and the wellbore. 
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Industry’s Most Accurate Surface Multiphase Flowmeter

Vx Spectra Multiphase Flowmeter
Only the Vx Spectra surface multiphase flowmeter captures the full spectrum of gamma energy levels at high frequency from a single point in the venturi throat, ensuring the most accurate flow rate measurements in all flow conditions. Visit Vx Spectra Flowmeter page