BlueFox Engineering

Project Overview

‍BlueFox Engineering was retained by Canadian Natural Resources Ltd. (CNRL) to develop the trenchless solution for two NPS 8 pipelines that had to cross the Smoky River in northwestern Alberta. Known for significant surficial sand, gravel, and cobble deposits, the BlueFox team assessed available geotechnical data and prepared a crossing design plan that necessitated a Horizontal Directional Drill (HDD) completed by intersect method.

Surface Casing Installation

‍Surface casing was installed on both the entry and exit sides of the crossing, with a 160,000lb rig specified for the exit side, and a 440,000lb rig on the entry side. Utilizing both rigs on a 24-hour/day construction schedule, the crossing was completed on budget and ahead of schedule.

Engineering and Design

‍BlueFox Engineering completed the preliminary trenchless engineering and detailed design for the HDD crossing plan/profile and a bundle pipeline pullhead with lifting and pullback details. BlueFox supported CNRL with HDD contractor tendering and provided on-site HDD inspection and engineering support during construction.

 
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Smoky River

Project Overview

Surface Casing Installation

Engineering and Design

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