International Trade Fair And Conferences Gothenburg, Sweden—February 25-March 1 Offshore Goteborg '85, Sweden's third offshore exhibition and conference, will be held February 25 to March 1 in the Swedish Trade Fair Foundation's Exhibition and Congress Centre at Gothenburg. It is expected to be even larger and more comprehensive than its two predecessors held in 1981 and 1983.

At Offshore Goteborg '81, 527 companies were represented on 134 stands, and there were some 14,000 visitors. At Offshore Goteborg '83, 676 companies, exhibiting on 233 stands, attracted 16,400 visitors from 39 countries. More than 2,500 delegates took part in the two conferences.

It is already clear these figures will be exceeded by this year's event, not only because of the success of the earlier exhibitions but also because of active and growing cooperation between East and West—most notable between the USSR and the Scandinavian countries— in the Barents, Laptev, Kara, and Siberian Seas, with Japan also becoming increasingly interested in arctic offshore exploration.

Political tension in Central America and the Middle East, which has cast a shadow over two of the world's most important sources of petroleum products, must inevitably focus even greater attention on operations in northern, and especially arctic, waters, where Swedish technology has always been preeminent.

To meet this upsurge of interest, the Swedish Trade Fair Foundation has under way a major program of reconstruction and expansion, both in exhibition space and other facilities, all to be completed in time for Offshore Goteborg '85, which will be the first show to benefit from them.

A total of 20,000 square meters of stand space will be provided by replacing the existing Hall A with a much larger hall with 4,100 square meters of stand space and a roof height of 10.3 meters (almost 34 feet). Congress facilities will include seven large lecture halls for up to 900 people, and a number of smaller rooms for conferences, meetings, and receptions—all provided with the latest telecom systems, including simultaneous translation.

The new Sara Hotel Gothia will form part of the reconstructed complex, standing beside the main entrance, with its lobby opening onto the 600-foot-long gallery overlooking and connecting exhibition Halls A, B, and C.

Offshore Goteborg '85 exhibition and conference will cover every aspect of offshore technology, including such recent developments as icebreaking tankers, ice-borne and seaborne refineries and methanol plants, planning and management of the sea bed, remote radio control of hydraulically operated valves on seabed wells, problems connected with seabed permafrost, and icescouring of the ocean floor.

International Conferences "Advantage Offshore," the third international conference to be held as part of Goteborg '85, will open at 1:00 pm Monday, February 25, with speeches by P.G. Gyllenhammer, president of AB Volvo, and by the conference chairman, Fred H. Atkinson, head of the Offshore Division of Lloyd's Register of Shipping.

During the four days of the conferences there will be 18 sessions, at which a total of 84 papers will be presented. Two additional sessions will comprise discussions by panels of experts. On Tuesday evening from 6:00 to 10:00 there will be a special conference organized in cooperation with Trygg-Hansa, where topics of particular interest to a Nordic audience will be discussed.

The first main conference session on Monday afternoon will present an overview of oil and gas market developments, and will attempt to relate these developments to plans for Norway, the North Sea, and other areas around the world. The session chairman will be Gunnar Agfors of Swedish Petroleum Exploration AB, with Prof. Jan Stefenson of Chalmers University of Technology, Gothenburg, as cochairman.

A keynote paper titled "Oil and Gas Market and Likely Price Developments— View from IEA" will be delivered by Herman Franssen, chief economist to the International Energy Agency, France. Other speakers will present views from Norway and Southeast Asia. In par- ticular, Odd S. Haraldsen of the Norwegian Ministry of Oil and Energy, and Ole-Jacob Kvinnsland, managing director of Noroil, will speak for Norway; Michael Morrow, managing director of Petroleum News SEA, Hong Kong, will cover the Southeast Asian scene, while Dr. Tongchat Hongladaromp and Pratkal Oudomugsorn, respectively governor and deputy director of the Petroleum Authority of Thailand, will deal with oil exploration and production in their country.

Of the following conference sessions, three will be devoted to Deep Diving and two each to Station Keeping, Computer Applications, and Offshore Lifts. Ten single sessions will cover a wide spectrum of subjects relevant to the surveying of ocean areas; to the design, construction, commissioning, operating, maintenance, and safety of platforms and pipelines; and to project planning and administration.

Conference Highlights Sessions on Deep Diving—Operations on Tuesday morning, chaired by Oistein Martinsen of Stolt- Nielsen Seaway Contracting A/S, Norway, and on Deep Diving— Equipment on Wednesday morning, chaired by Dr. Bjorn H. Hjertager, head of research at the Chr.

Mikkelsen Institute, Norway, will be rounded off on Wednesday afternoon by a panel discussion on Deep Diving—Divers or ROVs?

Panel members will include: O.

Chr. Andersen, manager, diving technology, Statoil, Norway; Bernard Debano, project manager, Comex Services, France; Dr. Hans Ornhagen, senior researcher, FOA 58, Sweden; Capt. Bob Fitch, Stena (UK) Ltd.; Don McGregor, manager, Stolt-Nielsen Seaway Contracting A/S, Norway; Norman Chambers, Sub Sea Offshore Ltd., U.K.; and Rolf Asplund, managing director, SUTEC, Sweden. Chairman of the panel debate will be Erik Hultmark, director of the National Marine Resources Commission, Sweden.

A session on Tuesday morning entitled Onboard Computer Systems will deal with practical applications including the training of offshore installation teams, dynamic positioning in survey operations, process control, and computer-assisted design. The chairman will be Ralph Norrby of KaMeWa AB, Sweden.

The first of five papers will be one from Roger Bostrom of ASEA, Sweden, on an integrated process control and monitoring system.

R.T.C. Austin and Dr. P.E. Duncan of John Brown Offshore Structures Ltd., U.K., will discuss the installation of an offshore structure and the use of portable microcomputers for analysis and training.

On Wednesday afternoon, under the chairmanship of R. Lewis Ridings, Lewis Technical Services, Inc., U.S., the subject will be Computer Analysis in the Offshore Industry.

A total of six papers will describe new roles for computers in supervision and control, in preventive maintenance, in integrated management systems yielding new kinds of information, and in solving technical problems too complicated to be attempted by traditional methods of calculation.

Among the speakers will be David Lloyd of Racal-Norsk Ltd., U.K., who will discuss artificial intelligence systems applied to the offshore industry, while Alan Jardine of P.A. Computers and Telecommunications, U.K., will present a paper entitled Computers and the Leading Edge.

In what promises to be an extremely interesting session on Tuesday morning, six papers will be presented to show how the flexibility afforded by floating and semisubmersible structures can reduce capital expenditure and lead times for offshore oil and gas production plants. Advances in design may enable marginal fields to become economically viable.

This session, chaired by Arne Berglie, technical director of Gotaverken Arendal AB, Sweden, will include a paper from Peter Metcalf of Canocean Resources (UK) Ltd. titled Commissioning and Maintenance of Subsea Systems.

Bernard Barthelemy of Coflexip, Norway, assisted by Christophe Perrenati of Coflexip, France, will present a paper on Flexible Risers for Early Production and Testing Vessels. Paul E. Sullivan, chief engineer of Murdock Engineering Company, U.S., will speak on high-technology elastomeric devices, and Hans Petter Jacobsen, principal surveyor of Det norske Veritas, Norway, will wind up the session with some observations on the classification and certification of floating production systems.

Eivald M.Q. Roren, executive vice president of Det norske Veritas, will chair a special session on Tuesday morning that will focus on methods and technology for periodical inspections. The economy and safety aspects of system surveys will also be covered. Among papers to be presented at this session are Deep Sea Production Systems—Trends in Surveillance and Repair, from Bjorn Husemoen of Kongsberg Vapenfabrikk, Norway, and Quality Assurance through Verification, from Bjorn Blaker, head of offshore activities at DnV.

On Tuesday afternoon Prof. Tom Floden, associate professor at the University of Stockholm, will preside over a session at which papers will be presented on new methods in three-dimensional seismic surveying, developments in airborne surveillance systems, and the interpretation of data.

In a paper on new methods for 3- D seismic data acquisition, M.

Brink, head of R&D at the Geophysical Company of Norway A/S, will consider how two separate streamers towed by a single vessel can collect data from two adjacent lines in one pass, and the advantages of using two vessels to circumvent obstructions and save time.

Cdr. Staflfan Kvarnstrom of the Swedish Coastguard Service will read a paper titled Aerial Surveillance of Coastal Waters—New Airborne Systems Developed by the Swedish Coastguard.

During morning sessions on Wednesday and Thursday a total of 10 papers will describe different positioning, anchoring, and mooring systems.

Pontus Clason of GVA, Sweden, and Ingvar Rask of SSPA, Sweden, will discuss Resonance of Semisubmersible Mooring Systems Due to First Order Wave Forces. Kaj Wendel of Chalmers University of Technology, Sweden, will examine the use of probability analysis in the dimensioning of anchoring systems. A paper from D.

Kypke of Brown & Root (UK), S.

Guy of Heerema Ltd., U.K., J.

Chivvis of Conoco (UK) Ltd., and L. Bystrom of SSPA, on successful installation of the first tension-leg platform in July 1984 in the Hutton Field of the North Sea, is likely to be of particular interest.

A panel session on Wednesday morning will discuss the relative merits of steel and concrete for plat- form fabrication, and the next generation of platforms for very deep waters. The session will be chaired by Hans Lindgren, managing director, SSPA Maritime Consulting AB, Sweden. Participants will include: Prof. S. Bernander, SKANSKA, Sweden; J. Brian Cook, engineering manager of Shell (UK) Exploration and Production; Dr. Svein Fjeld, vice presidenttechnology and products, A/S Veritec, Norway; Andrew F. Hunter, supervisor marine engineering, Conoco Inc., U.S.; Sven Plahte, vice president-technology and projects, Norsk Hydro A/S, Norway; and Jay B. Weilder, senior vice president, Brown & Root Inc., U.S.

Four papers will be presented on Wednesday morning to highlight the supreme importance of materials administration for any prospective supplier of hardware to the offshore industry, and to provide guidance on how material of the right quality can be made available in the right quantity at the right place and time. Prof. Dag Ericsson of Resuradministration Dag Ericsson AB and Chalmers University of Technology, Sweden, will chair the session.

He will also deliver a paper on Materials Administration—A Top Management Philosophy. Papers on similar themes will be presented by Sven Eigil Hoberg of Bedriftsokonomisk Institute, Norway, and Hans M. Daastol of Norsk Hydro, Norway, while Lars Backman, export manager of Wermex, Sweden, will describe his company's endeavors to become a competitive supplier to the offshore industry through materials administration.

Two sessions on Wednesday will be devoted to seven papers and a discussion of problems and solutions in the design, construction, and use of floating cranes and sheerlegs and their associated slings. The implications for the design of structures to be lifted will also be considered.

The chairman for both sessions will be Peter H.B. Mitchell, consulting naval architect of Brown & Root (UK) Ltd.

Among papers to be presented will be one on lifting considerations in the design of heavy offshore modules, by I.R. Horgan, senior manager- structural and marine engineering at Brown & Root (UK) Ltd.

The design of very large cranes for offshore construction will be examined by Bruce A. Copp, chief project structural engineer at Clyde, U.S., while naval architect Ulrich Dischler of Neptun, West Germany, will discuss economies in direct costs and time achieved by using advanced floating sheerlegs for inshore and offshore erection of assemblies before moving to site.

The subject of marine pipelines will be dealt with on Wednesday afternoon under the chairmanship of Malcolm Mitchell, engineering manager of Hamilton Bros. Ltd., U.K., who will also offer a paper, in conjunction with Dr. Raj Jain and Stephen Williams of Brown & Root Engineering Ltd., U.K., on the Esmond pipeline, the first to be laid in the Dogger Bank area of the North Sea. The line passes through a treacherous environment, requiring extensive hindcast, plus mathematical modelling. A number of new design concepts for stability, cathodic protection, mechanical connectors, and pipeline crossings will be discussed.

Peter Hinstrup, head of the Offshore Department of DHI, Denmark, and Helge Gravesen, senior hydraulic engineer of Ramboell og Hannemen, Consulting and Planners A/S, Denmark, will speak on Submarine Pipeline Design. Johan Peter Schwartz of Seanor Engineering A/S, Norway, will discuss deepwater flowlines and alternative methods of installation, tie-in, and repair. Max Eliasson of Sydgas, Sweden, will speak on Sweden's access to North Sea gas via the Oresund Pipeline. Dr. W.J. Supple and J.P. Kenny of the U.K., and T.

Thronsen of Saga Petroleum, Norway, will deliver a paper on The Potential of J-Lay for the Troll Field.

On Thursday morning, four papers will be presented at a session chaired by Odd Tveit of Statoil, Norway. The first, from Dr. Mark Pyman of Technica A/S, Norway, will deal with the use of risk analysis techniques in the evaluation of plat- form emergency systems, and new methods of breaking down evacuation systems into separate steps.

A paper from I. Ciarambina, S.

Messina, and R. Rubina of Snamprogetti S.p.A., Italy, will describe onshore and offshore plant safety procedures, with experience gained from both manned and unmanned platforms that may lead to development of an integrated software program for system analysis.

Magne Torhaug, chief engineer of A/S Veritec, Norway, will speak on safety and available analyses of subsea product.^n systems.

A paper will also be presented by Scott Little of Shell Canada Resources Ltd., who was a member of the Offshore Safety Task Force that researched and prepared a comprehensive report on the status of offshore operational safety on the East Coast of Canada. The recommendations in this report have provided valuable guidance for industry and governmental/industry coordination.

Mr. Little now chairs the safety subcommittee of the East Coast Operations Management Committee, OOD/CPA.

Erik Jeppe Magnusson, head of research at ESAB AB, Sweden, will take the chair on Thursday morning when six papers on the vital topic of welding and steel selection will be presented. Among them will be one from Prof. Herman S. Wintermark of Oslo on metallurgical backgrounds for modern structural steel used in offshore and Arctic applications. Submerged arc welding will be covered by Svein Tandberg of ESAB A/S, Norway. The practical application of explosive welding technology to the fabrication of offshore pipelines will be the subject of a review by Ingemar Persson, head of R&D at Exploweld, Sweden.

Under the chairmanship of Alistair Fleming, Clyde Project manager for Britoil pic, U.K., papers on hook-up and commissioning will be presented on Thursday morning by J. Barry Saunders, Beatrice "C" construction manager, Britoil pic, who will set the scene by showing the relationship of the hook-up and commissioning phase to the design, procurement, and construction work. Mike Barden, director of the Taywood Santa Fe Morecambe Bay Project, will address the broader and more fundamental management planning required. David Odling, sales and marketing director of AOC International Ltd., U.K., will concern himself with forms of contract, productivity trends, and work quality, and with some ideas on necessary changes to make this phase more cost effective. Finally, George Pillans, senior surveyor, Lloyd's Register of Shipping, will discuss the statutory requirements for final approval and certification.

Sven Erik Rawall of Stena AB, Sweden, will preside over a session on Thursday morning during which four papers will cover the multi-disciplinary techniques involved in the servicing of undersea wells. Messrs.

Berthier of TGP, France, and D.

Lebouteiller of Comex Services, France, will deliver a paper on The SWIM System—A New Subsea Well-Servicing and Maintenance System Operated from a DSV.

A paper from Rene Quin of Total Marine Norsk A/S, Norway, and A. Wilson of Total Oil Marine pic, U.K., will describe a scheme for emergency repairs to the twin gas pipelines from the Frigg Field to St.

Fergus, as well as a technique known as "cold tapping" for repairing pipelines or adding connections to existing pipelines under water.

Maritime Reporter Magazine, page 12,  Feb 15, 1985

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