Schlumberger Launches Innovative Diversion Stimulation Service

OpenPath Sequence service maximizes wellbore coverage to increase production in conventional and unconventional reservoir completions

HOUSTON, November 3, 2016—Schlumberger today announced the launch of OpenPath Sequence* diversion stimulation service. The new service sequentially diverts acid into additional clusters or zones to maximize wellbore coverage, resulting in more precise treatment placement and greater production when compared with conventional methods.

OpenPath Sequence service is the first in the industry to use degradable fibers to suspend multimodal particles that enable sequential stimulation of intervals in acid stimulations. Suitable for both cased and openhole completions, the service can be used for acid fracturing or matrix stimulations in carbonate reservoirs. The service is also suited for restimulation treatments in mature fields.

“With acid stimulations, it is often challenging to achieve the wellbore coverage needed to optimize recovery,” said Amir Nessim, president, Well Services, Schlumberger. “Often mechanical isolation is not a feasible option due to operational constraints. OpenPath Sequence service provides reliable, accurate zonal coverage with the added benefit of more streamlined operations for both cased and openhole completions.”

This acid diversion stimulation service has been tested in reservoirs in the Middle East and in North America, resulting in proven diversion and significantly improved production.

In the Middle East, a customer wanted to stimulate two separate zones with multiple clusters in a vertical well. Effective diversion using OpenPath Sequence service was indicated by an increase in diversion pressure and confirmed by injection logs. In addition, the productivity index improved by more than 300% with an increase in production to 1,200 bbl/d from 350 bbl/d.

In the Permian Basin, a customer needed to bring a vertical injector well with a 1,000-ft-interval and multiple perforation clusters back into production. After OpenPath Sequence service was used to treat the laminated carbonate formation, tracers confirmed diversion between stages as well as the stimulation of all perforated intervals. After the operation, the initial fluid production of the well was 600 bbl/d, exceeding operator expectations.

OpenPath Sequence service is the first release of a family of OpenPath* stimulation services aimed at maximizing well productivity in conventional and unconventional reservoirs.

For more information about the OpenPath Sequence diversion stimulation service, visit www.slb.com/OpenPath.

About Schlumberger

Schlumberger is the world's leading provider of technology for reservoir characterization, drilling, production, and processing to the oil and gas industry. Working in more than 85 countries and employing approximately 100,000 people who represent over 140 nationalities, Schlumberger supplies the industry's most comprehensive range of products and services, from exploration through production, and integrated pore-to-pipeline solutions that optimize hydrocarbon recovery to deliver reservoir performance.

Schlumberger Limited has principal offices in Paris, Houston, London and The Hague, and reported revenues of $35.47 billion in 2015. For more information, visit www.slb.com.

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*Mark of Schlumberger

For further information, contact:

Susan Ganz
Public Relations Manager–Western Hemisphere
Schlumberger
Tel:+1 713-939-2997
sganz1@slb.com

OpenPath Sequence Service

OpenPath Sequence Service

OpenPath Sequence diversion stimulation service sequentially plugs perforations in the near wellbore to maximize wellbore coverage.

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