Submersible Technology

394 Pages·1986·21.012 MB·English

by  H. B. Hansen, O. C. Andersen (auth.)

ADVANCES IN
UNDERWATER TECHNOLOGY,
OCEAN SCIENCE AND
OFFSHORE ENGINEERING
Volume 5
Submersible Technology
ADVANCES IN UNDERWATER TECHNOLOGY,
OCEAN SCIENCE AND
OFFSHORE ENGINEERING
Vol. 1 Developments in Diving Technology
Vol. 2 Design and Installation of Subsea Systems
Vol. 3 Offshore Site Investigation
Vol. 4 Evaluation, Comparison and Calibration of
Oceanographic Instruments
Vol. 5 Submersible Technology
ORGANISING COMMITTEE
Sir John Rawlins - Chairman T. A. Hollobone - Chairman
K. T. Bentley - Phillips Petroleum Co E-A Ltd F. J. Alexander - Total Oil Marine pIc
F. Bruen - Underwater Security Consultants Ltd
N. Chambers - Sub Sea QffshoTe Ltd
J. Dering - Ad1lliralty Research Establishment
S. Davey - COIIIKC Houlder Diving Ltd
C. Logan - Association of Offshore Diving
J. E. Hendrick - Shell UK Exploration &
Contractors
Production Ltd
R. Mavin - Department of Enwf'gy
G. Mills - Oceaneering International Services Ltd
R. Marsh - Bennico Ltd
C. Smith - Wharton Williams
D. J. Partridge - British Underwater Engineering
Ltd J. Smith - Che1J)"on Petl'Olelilll (UK) Ltd
D. W. Partridge - Qffshore Supplies Qffice G. Watson - BP Pet. Dev. Ltd.
J. Pritchard - Society for Underwater Technology
D. Wardle - Society for Underwater Technology
First published in 1986 by
Graham & Trotman Limited
Sterling House
66 Wilton Road
London SWIV IDE
UK
Graham & Trotman Inc.
13 Park Avenue
Gaithersburg
MD 20877
USA
British Library Cataloguing Publication Data
Subtech '85 (C01~ference: Aberdeen)
Submersible technology: proceedings of an
international conference (Sub tech '85).
(Advances in underwater technology, ocean science
and offshore enginering, v. 5)
1. Ocean Engineering 2. Underwater construction
I. Title II. Society for Underwater Technology
III. Series
627'.7 TCI645
ISBN-13: 978-94-010-8365-2 e-ISBN-13: 978-94-009-4203-5
DOl: 10.1007/978-94-009-4203-5
Libra1!! of Congress Cataloging in Publication Data is available.
© Society for Underwater Technology 1986
This -publication is protected by international copyright laws. All rights
reserved. No part of this publication may be reproduced, stored in a
retrieval system, or transmitted in any form or by any means,
electronic, mechanical, photocopying, recording or otherwise, without
the prior permission of the publishers.
by Robert Hartnoll (1985) Ltd., Bodmin, Cornwall
ADVANCES IN
UNDERWATER TECHNOLOGY,
OCEAN SCIENCE AND
OFFSHORE ENGINEERING
Volume 5
Submersible Technology
Proceedings of an international conference (SUBTECH '85, 'Designing for Intervention'
in association with 7th Underwater Engineering Symposium) organized by the
Society for Underwater Technology and the Association of Offshore Diving Contractors,
and held in Aberdeen, UK, 29-30 October 1985
Published by
Graham & Trotman Ltd.
Contents
Opening Address Xl
George C. Band
Part I
Drilling
CHAPTER 1 Evaluation of the last five years of ADS/ROV in drilling
operations 3
H. B. Hansen and O. C. Andersen
CHAPTER 2 Dual ROV-manned vehicles 7
S. B. Boulton
CHAPTER 3 Designing for intervention drilling-ROY 15
F. R. Frisbie
CHAPTER 4 Dedicated vehicle: A new remotely operated vehicle specifically
designed for support of exploration drilling 19
G. Hawkes, S. Earle and S. Etchemendy
Part II
Platform Cleaning
CHAPTER 5 Antifouling techniques 29
D. Sell
CHAPTER 6 Slippery paint 41
D. Miller
CHAPTER 7 Water jetting by an ROV 53
_ M. Clegg
CHAPTER 8 Hutton production risers-A novel cleaning problem 59
J. A. G. Tyson
v
vi ADVANCES IN UNDERWATER TECHNOLOGY
Part III
Commercial Aspects of Underwater Operations
CHAPTER 9 The real-life aspects of managing a lump sum contract 71
M. C. Seeley
CHAPTER 10 Difficult contract clauses 77
B. Moore
CHAPTER 11 Mobilization requirements for DSV s and diving systems 81
J. E. Hendrick
CHAPTER 12 The roles of the client's representative and the diving
superintendent 85
M. L. G. Dane
Part IV
Survey
CHAPTER 13 Recent and future developments in undersea survey and
intervention 97
B. Grandvaux
CHAPTER 14 Intelligent transponder surveying 119
N. C. Kelland
CHAPTER 15 Autonomous vehicles in survey 129
J. R. McFarlane, M. Mullin and E. Jackson
Part V
Subsea Production Facilities
CHAPTER 16 Subsea installation and intervention: How to utilise the
potential of ROV techniques 135
D. Schouw-Hansen
CHAPTER 17 ROV tooling technology: Montanazo D2 Field ROV
intervention system 147
D. Norman and D. Barnes
CHAPTER 18 The underwater shuttle 157
G. G. Santi
CHAPTER 19 A one-atmosphere transfer system for deep-water production
support 165
E. Sj~holm
CONTENTS VI!
175
CHAPTER 20 A swage pile connection technique
J. M. Lowes
Part VI
NDT
CHAPTER 21 NDE-Overview and legal requirements 183
H. Nordb~
CHAPTER 22 Improving subsea MPI consistency 189
K. P. Allen and A. W. Crawford
CHAPTER 23 ROV inspection system (ROVIS) 199
D. J. Brooker
CHAPTER 24 Electromagnetic inspection underwater 209
S. Hale
Part VII
Problems and Requirements
CHAPTER 25 Marine recovery of a hyperbaric rescue vehicle 219
M. N. Young
CHAPTER 26 The design and development of a new class of self-propelled
hyperbaric lifeboat for diver rescue 227
R. Morgan
CHAPTER 27 Hyperbaric evacuation 237
C. Logan
CHAPTER 28 Qualifications of offshore personnel: LSTs and diving
supervisors 247
P. Blewett
CHAPTER 29 Qualifications of offshore personnel: Inspection personnel 253
G. Mills
Part VIII
Inspection and Repair-Platforms/Pipelines
CHAPTER 30 The use of cofferdams for welded repairs to offshore structures 263
G. Harris
CHAPTER 31 Oil company view of future operations-Inspection and repair
of deepwater structures 271
N. Eikas
CHAPTER 32 Automatic stud welder for surface and underwater applications 283
C. Smith
viii ADVANCES IN UNDERWATER TECHNOLOGY
CHAPTER 33 Grouted clamps for platform repair 289
I. E. Tebbett
CHAPTER 34 Use of concrete mattresses 297
K. E. J. Miller
CHAPTER 35 Trenching and burial of submarine pipelines 305
A. C. Palmer
CHAPTER 36 Pipeline inspection by ROV 313
N. F. Braathen and A. J. Sandford
CHAPTER 37 Seahorse II 319
J. Haas
Part IX
Vehicle Development
CHAPTER 38 Beyond +2000 Feet 333
M. St. E. Cardew
CHAPTER 39 Designing reliability into systems 337
H. R. Talkington
CHAPTER 40 The low-cost remotely operated vehicle (LCROV) 343
D. Walsh
Part X
Non-Oil Related Engineering
CHAPTER 41 Environmental monitoring through the use of ROVs 355
R. L. Allwood
CHAPTER 42 Power cable repair underwater 361
A. Homer
CHAPTER 43 Oceanographic tasks and tools-A survey of some recent
developments 367
J. S. M. Rusby
Part XI
The Cost Effectiveness of Underwater Operations
CHAP.TER 44 Statistical analysis of the time taken for various underwater
tasks 385
G. W. Chew
CONTENTS ix
CHAPTER 45 Potential improvements in the efficiency of underwater
operations 393
S. Parfitt
CHAPTER 46 Are ROV s efficient? 399
J. D. Smith
CHAPTER 4 7 DAVID: A versatile multipurpose submersible support system
for remote control or diver-assisted performance 407
G. E. Marsland and K. Wiemer
The following papers presented at the conference were unfortunately not available for
publication:
Competition, N. Chambers
Case history of a major structural repair underwater, W. J. F. Thomas
The incidence of decompression sickness in the deep air diving range, T. Shields
Opening Address-SUBTECH '85
George Band, Director-General, UK Offshore Operators Association
Ladies and Gentlemen, rationalization brought about by the merger
of the Association of Offshore Diving Con
I am honoured to be asked to make the open tractors' (AODC) 7th Underwater Enginee1"
ing address atSUBTECH '85 in these splen ing Symposium and the Society for Under
did new and permanent Aberdeen Con water Technology's SUBTECH. These
ference facilities which were inaugurated organizations are to be congratulated in pro
only last month at the opening of Offshore ducing a complementary and balanced pro
Europe '85 by the Prime Minister. I was gramme. I hope this marks the start of a
particularly pleased to be able to say on that trend toward fewer but more topically
occasion that, by her presence, she was directed events.
recognizing the importance of the offshore It is essential that these gatherings, like
industry to the United Kingdom as a whole. your conference planning committee, attract
Earlier in the year at the Houston Offshore a good mix from both contractor and client
Technology Con:ference, I noted that half the companies. In the informal and hopefully
technical papers were devoted to activities in friendly atmosphere that they generate
the North Sea, and that the top award for there is an opportunity to make fresh con
Technology was made to Conoco for its tacts, improve communications and create a
development of the Tension Leg Platform in better understanding of each other's prob
the Hutton field. The North Sea is where lems. These problems can be particularly
many of the most exciting developments are sensitive in the area of commercial arrange
still taking place these days. ments where the client seeks to procure work
The theme of this conference is 'Designing at an attractive price and the contractor
for Intervention'. At a time when con seeks to win competitive tenders, carry them
ferences seem to be proliferating faster than out and remain successfully in business with
field developments, it is good to see the out verging on bankruptcy in the process. I
Xl