Here are some highlights from the history of ConocoPhillips Norway.
The Continental Oil Company (Conoco) was founded in Ogden, Utah
Phillips Petroleum was founded in Bartlesville, Oklahoma
Phillips Petroleum applies for an oil and gas licence on what is to become the Norwegian Shelf
The first licensing rounds on the Norwegian Shelf are announced
Phillips Petroleum makes its first discovery on the Norwegian Shelf, block 7/11 Cod
The Ekofisk discovery!
Conoco is awarded its first production license on the Norwegian Shelf 
Prime Minister Trygve Bratteli formally opens production on Ekofisk from Gulftide
The company’s office and base/quay facility in Tananger outside Stavanger is opened
Conoco acquires a considerable interest
in the Statfjord field
The first crude oil is transported through a pipeline to the Teesside terminal in the UK 
The gas terminal in Emden, Germany, is opened
The blowout on Ekofisk 2/4 B (the Bravo blowout)
The Eldfisk field enters production
The Alexander L. Kielland disaster
Seabed subsidence is found on Ekofisk
Conoco discovers the Heidrun field
Water injection starts from the 2/4 K platform
The Ekofisk Complex is jacked up six metres
The Embla field enters production
Heidrun starts production 
Ekofisk II. The Ekofisk 2/4 J platform starts up. The Ekofisk West, Edda, Albuskjell and Cod fields close down
Conoco and Phillips Petroleum announce a merger between the two companies
ConocoPhillips is established with headquarters in Houston – and a Norwegian head office in Tananger 
The first centre for integrated operations – a drilling centre on land – opens in Tananger
The removal of Ekofisk I has begun – light structures on Edda are removed
Norway celebrates 40 years since the Ekofisk discovery
Stortinget (Norwegian parliament) approves two major development projects, Ekofisk South and Eldfisk II
The integrated energy company splits its activity into two independent companies, the upstream company ConocoPhillips and the downstream company Phillips 66
The development project Ekofisk South is completed, with start-up from the Ekofisk 2/4 Z wellhead platform and the 2/4 VB seabed installation for water injection
The Eldfisk II development project is completed with the opening of the integrated platform Eldfisk 2//7 S at the Eldfisk Complex
