... in capltal expenditure on new offshore production systems The capital spend profile of the 1970s and 1980s was shaped by fixed platforms and thelr topsldes and thelr associated lnstallatlon and hookup techniques and equipment The profile of the winnlng contractors was naturally the same The profile...

... vehlcle trunkllne platform gooder auv mlsslon power source recovery operator cost remote marine operation technology autonomous underwater vehlcle vehicle veh cle whlch offshore operator upstream oil & gas subsea system wlth AN AUV FOR PIPELINE SURVEYS-THE NEXT STEP...

... and economlc advantage m installation and mantenance tasks, p~pellne surveys and general lnspectlon So that ROV's may be hlly integrated into offshore hydrocarbon production by facll~tating the replacement of dlvers for Non-Destructwe Testing (NDT) of structural members and nodes in steel jacket platforms...

...DEVELOPING THE TROLL PROJECT O.R. MARTINSEN A/S Norske Shell P.O.Box 40 4056 Tananger Norway ABSTRACT. Since the TROLL FIELD was declared commercial, many different development concepts have been considered based on a fully integrated offshore drilling, production and accommodation platform. Norske...

...When planmng the conf1gurat10n of an offshore product10n fac1hty certam chent reqmrements am f1eld layouts resulted m spe(afyl1lCJ a sul:sea p1pelme 1SOlat1on valve m close proXl1lll.ty to the platform. In the UK sector of the North sea only 7 valves of th1s type were mstalled at platform...

... in a pipeline system As a result, operators are now considering the installation of seabed emergency shutdownlisolation valves, in close proximity to the platform, thereby isolating the topsides from the main pipeline inventory. 2. Requirement for Subsea ESDVs Before addressing the design of SSIV installations...

... upstream oil & gas underwater service contractor engineering hydraulic jet pump subsea system expenditure platform DIVING AND UNDERWATER SERVICES - AN OVERVIEW JOHN WESTWOOD Douglas-Westwood Associates Whitebeams Pett Bottom Canterbury CT4 6EH England ABSTRACT. In 1982 the diving...

... to a complete assessment of an installation, which may form part of a Formal Safety Assessment, nsk assessment techn~ques can be applied to specific safety related systems on a platform This paper presents the results of a study of the nsks associated with the hyperbanc rescue of divers It includes...

... In another fleld, Cormorant, and we were able to look agaln at the Idea of reachlng Gannet's valuable reserves The result IS a development conslstlng of four separate flelds contalnlng In total approximately 170 mllllon barrels of 011 A host drllllng and productlon platform will servlce clusters...

... Submersible n g s 2 5 PRODUCTION SYSTEMS a Product ion P la t fo rm - Steel b Product ion P la t fo rm - Concrete c Tension Leg Platforms d Semi submersible product ion p la t forms e Subsea product ion systems 2 6 SUPPORT VESSELS a Dynamic P o s i t i o n i n g Systems b Standby Vessels 2 7 DIVING OPERATIONS...

... as 1887 However the placement of the Christmas tree on the lake bed rather than on the drilling platform was a significant advance In the 1950s major breakthroughs were made in deepwater drilling technology, although the impact of these on oil and gas production was not felt until the early 1960s...

... The improvement in our understanding of the fatigue lives of offshore welded tabular structures has led to a change in our inspection philosophy For the older platforms we are able to predict very accurately where and when trouble can be expected The newer structures have been designed to ensure...

... used on infield flowhnes where the vehicle's abilitv to manoeuvre close into the subsea ~ -~ structure and to other submarine pipelines has been an advantage The ability to operate from a single dynamic positioning vessel close to existing platforms without the use of anchors is also a major advantage...