Client
Location
Pipeline Surveys for Sweeny Hub Phase 2
Project overview
- 32 miles of 10- to 20-in. pipeline
- Six pipelines
- Congested corridor
- Four terminal facilities
Scope of work
- Preliminary pipeline survey
- Routing review
- Certified plats
- Permitting
- Alignment sheets
- Horizontal directional drilling (HDD) drawings
- As-built survey, alignment sheets, & certified plats
Project summary
Audubon provided pipeline surveys for Phillips 66 to support expansion of its award-winning Sweeny Hub natural gas liquid (NGL) facility. Located in Brazoria County, Texas, Sweeny Hub is the second-largest NGL-fractionation hub in the US. The pipeline survey project involved six pipelines totaling over 32 miles of pipe and four associated terminal facilities, including the Clemens Caverns terminal. The pipelines ranged from 10 to 20 inches in diameter and were laid in a congested pipeline corridor with 16 other lines—creating design and construction challenges.
Leveraging pipeline survey expertise and cutting-edge geographic information system (GIS) technology, Audubon supplied preliminary and as-built surveys, as well as routing and permitting services. Audubon’s precise data deliverables ensured design integrity and allowed construction crews to efficiently navigate the congested corridor. With Audubon’s survey expertise, Phillips 66 was able to quadruple fractionation capacity at Sweeny Hub and improve NGL gathering and processing on the Texas Gulf Coast.
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