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Hoover Diana Deepwater Flowline Decommissioning

Sector: Fertilizers • Location: Galveston, Texas, United States

Source: Offshore Energy

Project
Awarded

EnerMech has secured a decommissioning contract for the subsea flowlines of the 25-year-old Hoover Diana oil and gas development in the U.S. Gulf of Mexico. The project involves flushing, pigging, and filling subsea pipelines to remove hydrocarbons and prepare for decommissioning, including flushing of the umbilical, pipeline flushing, seawater fill operations, nitrogen flushing via subsea vessel,

Status
Closed
Sector
Fertilizers, Oil and Gas
Location
Galveston, Texas, United States of America
Updated
22 Jul 2026
Source
Offshore Energy

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Project Information

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The project “Hoover Diana Deepwater Flowline Decommissioning” is an infrastructure initiative in the Fertilizers sector, located in Galveston, Texas, United States. Taiyo aggregates data on it from Offshore Energy.

Participants

Not available for this record.

Status

Original status

Awarded

Taiyo status

Closed

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

EnerMech has secured a decommissioning contract for the subsea flowlines of the 25-year-old Hoover Diana oil and gas development in the U.S. Gulf of Mexico. The project involves flushing, pigging, and filling subsea pipelines to remove hydrocarbons and prepare for decommissioning, including flushing of the umbilical, pipeline flushing, seawater fill operations, nitrogen flushing via subsea vessel, coiled tubing services, and final seawater filling for the Northern Diana flowline.

Original sector

Oil and Gas

Location

Country

United States of America (USA)

State

Texas

City

Galveston

Source

Source

Offshore Energy

URL

More Details

Record type

Project

Sector

Fertilizers, Oil and Gas

Article published date

2025-06-18

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