Branching technology in a long horizontal sidetrack
In a multilayered tight limestone reservoir with permeability ranging from 0.1–3 mD, the operator needed to overcome limited vertical connectivity and improve gas flow across a 3,500 ft / 1,070 m horizontal sidetrack. Conventional stimulation methods had delivered limited production, creating the need for a more effective reservoir access strategy.
Fishbones deployed a 4.5” liner equipped with 40 Fishbones Jetting Subs, creating a total of 160 branches into the formation. By combining varying needle lengths from 26–40 ft / 8–11.5 m with precise reservoir access, the system enabled improved stimulation coverage across the multilayered formation. Needle clean-out operations were successfully performed using coil tubing.
Proven production increase
The well achieved production of 9 MMscf gas, compared to 0.4 MMscf prior to the sidetrack and Fishbones installation.
Reliable installation and operations
The Fishbones system was installed successfully and executed according to plan in a technically demanding horizontal well environment.
Efficient intervention capabilities
Successful needle clean-out operations with coil tubing demonstrated operational flexibility and long-term accessibility.
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