Autonomous Directional Drilling Boosts ROP by 13% | Schlumberger
Case Study
Location
Middle East, Asia
Background
An operator in the Middle East used Neuro autonomous solutions to autonomously drill a well from 22° to 90° inclination with a 2,500-ft curve section and a 5,400-ft lateral section. For both sections, the operator used autonomous-capable rotary steerable systems that contributed to the balance between surface and downhole autonomy, enabling a 36% reduction in downlinks compared with offset wells drilled in manual mode while achieving a 13% increase in ROP.
Autonomous Directional Drilling
Illustration of the PowerDrive Orbit G2 guided by the autonomous system
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Autonomous Directional Drilling Boosts ROP by 13%

Neuro autonomous solutions increases footage drilled between downlinks by 36%

Improve efficiency and stay on target

The wells present challenging steering decisions in order to stay on target. The operator had goals to maintain performance, to minimize delays by reducing the number of downlinks to the BHA, and to improve ROP throughout the well.

Enhance performance of well construction activities

Schlumberger recommended using a BHA with Neuro autonomous solutions, which comprises a group of enhanced technologies to perform well construction activities in the most efficient, effective, and consistent manner possible. Leveraging an AI steering advisor to balance surface and downhole control, Neuro solutions technology delivers better verticals, steeper curves, less tortuous tangents, and more accurate laterals.

Increase footage between downlinks

Using Neuro solutions, the operator drilled an entire 6⅛-in lateral section from 9,417-ft MD to 14,828-ft TD with less than 21 downlinks, averaging one downlink sent every 258 ft.

Neuro solutions minimized the amount of downlink commands necessary to meet all primary targets. Compared with offset wells in the same area that did not use the technology, in the section that used Neuro solutions, the average length between downlinks was 36% higher. Additionally, Neuro solutions reduced the time spent for off-bottom downlinks by more than 80%, bringing the total time to only 10 min for the well.

Vertical and horizontal plots of well trajectory with Neuro solutions downlink commands highlighted.
Drilled wellbore versus initial plan with markers highlighting downlink commands sent from Neuro autonomous solutions.
Vertical and horizontal plots of well trajectory without Neuro solutions has many downlink commands.
Drilled wellbore versus initial plan on an offset well in the same area drilled without Neuro solutions technology.

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