Overview

The support of subsea oil and gas production operations involves the use of many underwater work systems. Divers can be used for support tasks in water depths to 300 m, but at more extreme depths operations become restrictively expensive and the efficiency of task performance is reduced. Remote controlled unmanned vehicles can replace the diver to a limited extent, performing inspection and maintenance tasks and supporting drilling opera­ tions. Operations in deepwaters performed by remote controlled vehicles and one man submersible vehicles, such as JIM and WASP, are more cost effective than the use of divers. The areas of operation of the more complex multi-manned submersibles and bells are today generally restricted to their use for diver lock-out operations, manned intervention to subsea enclosures and the deployment of other underwater work systems. Oil and gas exploration activity is being undertaken in progres­ sively deeper waters. In the North Sea, Shell have discovered a large gas accumulation off the Norwegian coast in 323 m water depth and B. P. have made oil finds West of the Shetlands in 500 m and West of Eire in 450 m. Exploration drilling is today being carried out in many areas of the world in water depths greater than 1000 m, i. e. Western Mediterranean, Offshore Argentina, Offshore Western Australia and in the Niger Basin, West Africa. The existing discoveries of Shell and B. P.

Full Product Details

Author:   M. Jones
Publisher:   Springer
Imprint:   Springer
Edition:   Softcover reprint of the original 1st ed. 1983
Dimensions:   Width: 15.50cm , Height: 0.70cm , Length: 23.50cm
Weight:   0.213kg
ISBN:  

9789400966574

ISBN 10:   9400966571
Pages:   129
Publication Date:   07 October 2011
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand  
We will order this item for you from a manufactured on demand supplier.

Table of Contents

1 Introduction.- 2 The Environment of Operations.- 2.1 Introduction.- 2.2 The Ocean Environment.- 2.3 Ocean Environmental Parameters: Continental Slope.- 3 Operational Requirements and Systems Constraints.- 3.1 Introduction.- 3.2 Operational Parameters.- 3.3 Operational Requirements.- 3.4 System Constraints.- 3.5 Candidate Logistic Support Systems.- 3.6 Critical Operational Areas.- 4 Transit and Emplacement of Structures.- 4.1 Introduction.- 4.2 Site Preparation and Assessment.- 4.3 Towing.- 4.4 Emplacement at Site Location.- 5 Logistic Support Loads.- 5.1 Introduction.- 5.2 Costs of Support Operations.- 5.3 Liberal Design of the Complex.- 5.4 Logistic Payloads.- 5.5 Logistic Support Operating Philosophy.- 6 Support Vehicle.- 6.1 Introduction.- 6.2 Submersibles: General.- 6.3 Operational Role of the Submersible.- 6.4 Submersible Features.- 6.5 Bells.- 6.6 Autonomous Submarine.- 7 Ingress/Egress System for Complex.- 7.1 Introduction.- 7.2 Basic Philosophy of the Ingress/ Egress System.- 7.3 Ingress/Egress System Concept.- 7.4 Access Chamber.- 7.5 Resupply Operations.- 7.6 Potential Hazards.- 8 Surface and Subsea Support Systems.- 8.1 Introduction.- 8.2 Underwater Vehicle Launch and Recovery.- 8.3 Support System Concepts.- 8.4 Inverted Support System Concept.- 8.5 Conclusion.- 9 Conclusions.- 10 Recommendations.- References.

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