Holstein
Holstein is a deepwater spar production platform in the Gulf of Mexico, installed in 2004. It produces oil and gas from subsea wells and serves as a host for additional tie-back developments. The facility is permanently moored and connected to regional export pipelines, functioning as a central processing hub.
Operator: Anadarko
Status: Online
Image Source: https://commons.wikimedia.org/ (All rights belong to the original owner.)
Production: Oil & Gas
Operations start: 2004
Water depth: 1311 m
Country: USA - Houma District
Block: GREEN CANYON 60. Block 645
Type: Spar
Field
The Holstein field is located in Green Canyon, Gulf of Mexico, producing from Miocene turbidite sandstone reservoirs. The field is moderate in scale and includes multiple reservoir compartments typical of deepwater channel and fan systems. Development incorporates subsea wells tied back to the spar.
Facilities
Holstein is based on a classic deep-draft spar platform supporting subsea tie-backs via steel catenary risers. Subsea wells are connected through manifolds and flowlines, with production transported to the platform for processing. Topside facilities include multi-stage oil and gas separation, gas compression, and produced water treatment. Oil is stabilised and exported via the Poseidon Oil Pipeline system, while gas is compressed and exported through offshore gas pipeline networks. Produced water is treated prior to discharge. Subsea infrastructure includes electro-hydraulic umbilicals for control, chemical injection, and flow assurance. Power is generated onboard using gas turbines. The spar hull provides stability for risers and topside systems, enabling efficient handling of multiple production streams and integration of additional tie-backs over time.
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