High-Risk to High-Value Magnus® Saker RSS Maximizes Reservoir Contact in High-Temperature Carbonate Layer, Saves 7.4 Days

Re‑enter and sidetrack the well to drill a horizontal producer in the thin carbonate reservoir.
Navigate high‑temperature, high‑strength carbonates while maintaining drilling stability.
Achieve precise wellbore placement within a narrow, structurally complex reservoir target.
Manage tight equivalent circulating density (ECD) and differential‑sticking risks under high mud weight.
Deliver the section quickly and reliably despite short‑notice planning and the requirement for source‑less directional tools.

Deployed the Magnus Saker rotary steerable system (RSS) for high‑torque steering, fast directional response, and smooth wellbore delivery in high‑strength carbonates.
Used CrossWave™ real‑time sonic to interpret dip continuously and steer confidently within the thin carbonate reservoir.
Adopted a source‑less directional workflow to meet customer requirements while minimizing survey‑related delays.
Monitored ECD and drilling dynamics in real time to maintain stability under high mud weight and avoid sticking risks.
Optimized the trajectory to maximize reservoir contact while honoring strict dogleg severity (DLS) limits for future intervention.
Provided 24/7 engineering support to ensure fast decisions and flawless execution under compressed timelines.

Saved 7.4 rig days, reducing operating costs by $440,000 USD, driven by a 71% ROP improvement over the field average.
Delivered a smooth, low‑tortuosity wellbore that supports efficient completion and future coiled‑tubing stimulation, protecting long‑term production value.
Maintained precise placement within the thin carbonate reservoir, increasing reservoir contact by approximately 5% and reducing dense‑formation crossing from approximately 500 to 205 ft (152.4 to 62.4 m).
Ensured stable, trouble‑free drilling in >270°F (132°C) high‑strength carbonates with zero nonproductive time (NPT) and no stuck‑pipe events, reducing operational risk.
Enabled confident real‑time geosteering through continuous sonic dip interpretation, helping the customer maximize reservoir exposure in a structurally complex, up‑dip environment.

Details

Location

Middle East

Well Type

Development, producer, horizontal

Formation

Carbonates

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High-Risk to High-Value