SCHLUMBERGER has introduced the MS Recon high-fidelity microseismic surface acquisition system, which the company says addresses the challenges of detecting small microseismic signals emitted during hydraulic fracturing at the surface and near-surface locations.

This new microseismic system for surface and shallow grid microseismic surveys provides improved imaging of the hydraulic fracture geometry by optimising the microseismic signal quality.

“The MS Recon system improves signal-to-noise ratio during acquisition enabling the detection of many more microseismic events than conventional systems,” Schlumberger microseismic services vice president and general manager Joseph Elkhoury said.

“This provides our customers with a better understanding of their stimulation operations, allowing them to optimise completion design and potentially increase production.”

The microseismic system features an industry-first proprietary geophone accelerometer and ultra-low noise electronics to produce the widest range of signal detectability in the industry. The nodal-based wireless acquisition system also provides customers increased flexibility in designing and deploying the surface and near-surface arrays. GPS-synchronised data are acquired continuously and transmitted to a real-time operations support centre, providing customers with data processing and expert interpretation.

In field trials were conducted at an operator well site in Texas, with an MS Recon system and a conventional system deployed to monitor hydraulic fracture treatments in a horizontal shale completion. According to Schlumberger, the field data analysis concluded the microseismic system improved the sensitivity to smaller microseismic events by boosting the signal-to-noise ratio more than two-fold compared to the conventional system.