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AT MAD DOG 2

Mad Dog Truss Spar

First oil 2005

Production facility truss spar

Facility name A-Spar

Production capacity100,000 barrels per day of oil and 60 million cubic feet per day of gas

Wells 10 production

Location Green Canyon block 782

Mad Dog 2 Semi

First oil 2021

Sanction 2016

Production facility semi-submersible

Facility name Argos

First oil 2021

Production capacity140,000 barrels per day of oil and 75 million cubic feet per day of gas

Wells14 production and eight water injection

Location Green Canyon block 780

A rendering of the completed Argos semi, which will produce reserves from Mad

Dog 2. The name Argos is a reference to

Odysseus’ loyal dog from The Odyssey.

Source: BP like a prolonged, scaled-up well test ahead of Mad Dog 2.

Seeing clearly

With the combination of reservoir management tech-

Improved seismic technology, such as full wave inver- niques like water? ooding and in? ll drilling, the potential sion and ocean bottom node surveying, have helped BP exists to produce between 500 million barrels and 1 bil- understand just how vast the Mad Dog reservoir is.

lion barrels with the Argos semi-submersible at Mad Dog

According to Emembolu, it’s been dif? cult to see the 2, Emembolu says. The Argos semi is designed to handle Mad Dog reservoir because of the large salt dome over it.

140,000 b/d and 75 million cubic feet per day of gas from

Emembolu says comparing 3D seismic data of the area 14 production wells. It will help extend the life of the su- from the late 1990s with current images “makes you won- per-giant Mad Dog oil ? eld beyond 2050.

der how anyone actually found oil there. We can see a lot

The reserves lie in three Miocene sands, and BP has lo- more about the structure now.” cated a Paleogene structure under that. While that is not

Using full wave inversion, BP discovered additional re- part of the current development plans, Emembolu says, sources at two other deepwater Gulf of Mexico ? elds – producing that structure could be a future project.

Thunder Horse and Atlantis. nOVEMBER/DECEMBER 2019 OFFSHORE ENGINEER 45