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Coelacanth

Online

Operator:

Walter Oil & Gas Corporation

Image Source: https://www.axiom.us.com (All rights belong to the original owner.)

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Type:

Oil & Gas

Design:

Fixed steel jacket

Installed:

2016

Facility:

Production

Water Depth:

362

meters

Country:

USA - New Orleans District

Block:

EWING BANK 60. Block 834

Intro

Coelacanth is a deepwater subsea development in the Gulf of Mexico, producing oil and gas via tie-back to a host floating production facility. It operates as a satellite field, relying entirely on external processing and export systems rather than standalone infrastructure.

Field

The Coelacanth field lies in the deepwater Gulf of Mexico and targets Miocene turbidite sandstone reservoirs. The field is modest in scale and developed as a subsea tie-back to maximize economic recovery using existing nearby infrastructure.

Facilities

The Coelacanth development consists of subsea wells tied into a manifold system and connected via flowlines to a host platform. Production fluids are transported to the host facility for separation, gas compression, and water treatment. Oil is exported via pipeline, while gas is compressed and transported through offshore networks. Subsea infrastructure includes umbilicals for control and chemical injection, subsea trees, and flow assurance systems. The development is remotely operated, with no permanent topside facilities. Thermal insulation and chemical injection systems mitigate hydrate and wax risks.

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Image Source: Williams and DCP Midstream Partners LP, "400 MMcf/d Ultra-Deepwater Pipeline System Enters Service (Joe Fisher)",[https://naturalgasintel.com/]. (All rights belong to the original owner.)

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