
Offshore technology
Definition A Riser is a pipe carrying up the subsea oil and gas from the wellheads on the seabed to the floating unit on the surface. The risers may be used for drilling or production purposes. Comments Drilling risers are categorised into two types: – Marine drilling risers used with subsea blow out preventer (BOP) and generally used […]
Statoil, ExxonMobil and ConocoPhillips rename Luva project into Aasta Hansteen During the concept selection Statoil estimated the development capital expenditure in the Aasta Hansteen field (formerly named Luva) at some $5.6 billion (NOK 34 billion). With a total hull weight of 45,000 ton, a length of 193 meters and a draught of 170 meters, the Aasta […]
Definition SPAR is the acronym for Single Point Anchor Reservoir (SPAR). This descriptive definition refers to a floating system with infield flow lines and associated subsea infrastructure to connect the subsea production and injection wells. Comments From design perspective a SPAR is a cylindrical, partially submerged offshore drilling and production platform that is particularly well-adapted […]
Mad Dog: BP’s second giant field in Gulf of Mexico In September 2011, BP announced the drilling of a successful appraisal well in a previously untested northern segment of the Mad Dog field in the US Gulf of Mexico. The well results confirm a significant resource extension for the Mad Dog Field complex, which includes […]
Saipem submitted $600 million change order to Saudi Aramco The Wasit Gas Development Program represents $4.6 billion capital expenditure to build an onshore grass-roots Central Processing Facility (CPF) to process 2.5 billion cf/d of gas from the Arabiyah & Hasbah offshore fields and produce approximately 1.75 billion cf/d of sales gas. Offshore gas wellhead production […]
A good option for ExxonMobil/BHP and Woodside ExxonMobil‘s affiliate Esso Australia Resources Pty Ltd is the operator of the Scarborough gas field, a 50/50 joint venture with BHP Billiton. The Scarborough field is one of the most remote of the Carnarvon Basin gas resources and the development remains challenging due to location in 900 metres […]
Shell proposes $1.8 billion cash to acquire Cove Since Shell and PTTEP from Thailand were competing to take over Cove Energy (Cove), Shell had made a first offer based on $0.195 per share, representing $1.57 billion capital expenditure for the acquisition. Then PTTEP submitted a $1.78 billion cash counter offer valued on $0.220 per share. Then Shell came back with a proposal based on $1.8 […]
After ExxonMobil and ENI, Rosneft extends its domino strategy to Statoil Rosneft and Statoil signed a cooperation agreement to jointly explore offshore and onshore fields in the Russian sections The cooperation agreement also provides Rosneft with an opportunity to acquire interests in selected Statoil exploration licences and assets in the North Sea as well as […]