Editor’s note: Part I of the Forties Field special report appeared in December 2015’s E&P issue as well as online at epmag.com/special-report-big-4-0-829631.

Read each story of the "Forties at 40" Special Report Part II:

Surface Facilities: Building A Platform For Success

Life begins at 40, or so the saying goes. For the Forties Field, which arrived on the world stage in 1975 as part of the first global wave of multiplatform megaprojects, it has indeed begun its fifth decade.

Subsea Infrastructure: Delving Beneath The Surface

The Forties Field’s extensive subsea infrastructure may be out of sight but is never out of mind for Apache.

Producing Forties: Renovating Greatness

Like the grand castles of old, the Forties Field faced possible extinction, but inspired thinking breathed and continues to breathe fresh life into the grande dame of the U.K. North Sea.