Schlumberger Introduces At-Bit Steerable System for Drilling Horizontal Wells in a Single Run | SLB
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NeoSteer At-Bit Steerable System
The NeoSteer ABSSs improve horizontal well drilling performance by providing high-dogleg capability and increased rate of penetration in the curve and the lateral.
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Publication Date
9/30/2019
Article Topics
Directional & Extended-Reach Drilling Bottomhole Assemblies
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Schlumberger Introduces At-Bit Steerable System for Drilling Horizontal Wells in a Single Run

NeoSteer at-bit steerable system design integrates a unique cutting structure and steering mechanisms

CALGARY, October 1, 2019—Schlumberger introduced today the NeoSteer* at-bit steerable system (ABSS) at Society of Petroleum Engineers Annual Technical Conference and Exhibition (SPE ATCE). The NeoSteer ABSSs improve horizontal well drilling performance by providing high-dogleg capability and increased rate of penetration in the curve and the lateral.

Developed as a fit-for-basin solution, NeoSteer ABSSs leverage digital technologies by combining the latest trajectory control algorithms, and machine-learning and data analytics to provide our customers improved planning and execution performance.

“The NeoSteer family is a real game changer for the industry. We have combined cutting structures with steering systems, enabled through digital technology, to drill steeper curves, longer and straighter laterals,” said Tarek Rizk, president, Drilling & Measurements, Schlumberger. “Our customers will benefit from improved performance by increasing rate of penetration, accurate well placement and a high-quality wellbore, which reduces overall well construction costs.”

The NeoSteer ABSSs have drilled a combined total of more than 2.6 million ft [792,480 m] during 250 runs in the unconventional reservoirs in North America land and Argentina. The fastest well drilled was in the DJ Basin and drilled shoe to shoe, vertical, curve and lateral totaling 15,123 ft [4609.5 m] in 29 on-bottom hours with an average ROP of 523 ft/h [159.4 m/h].

In the Marcellus Shale, the fit-for-basin NeoSteer CLx* extreme curve and lateral ABSS enabled an operator to drill difficult tangents, high-DLS curves and long lateral sections through hard formations while maintaining low tortuosity. Conventional methods would have required two BHAs to overcome drilling through challenging abrasive sandstone sections. However, the NeoSteer CLx ABSS was able to drill three sections, totaling 13,819 ft [4,212 m], at a higher ROP and in a single run.

In the DJ Basin, SRC Energy used the NeoSteer CL* curve and lateral ABSS to drill a 12-well pad targeting vertical curves and lateral sections in a single run. The customer was able to increase ROP by 20%, saving as much as 21 hours in a single well while targeting various zones in the unconventional Niobrara shale formation.

For more information on the NeoSteer CL curve and lateral at-bit rotary steerable system and NeoSteer CLx extreme curve and lateral at-bit rotary steerable system, visit www.slb.com/neosteer.

About Schlumberger

Schlumberger is the world's leading provider of technology for reservoir characterization, drilling, production, and processing to the oil and gas industry. With product sales and services in more than 120 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 executive offices in Paris, Houston, London, and The Hague, and reported revenues of $32.82 billion in 2018. For more information, visit www.slb.com.

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*Mark of Schlumberger

For further information, contact:

Joao Felix
Director of Corporate Communication
Schlumberger Limited
Tel: +1 (713) 375-3535
communication@slb.com

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