TOPICS OF INTEREST
Supervised Autonomy Bridges the Gap in ROV Inspections
ROVs dominate the world of subsea inspections, maintenance, and repair, but as operators work in a post-downturn economy, autonomous systems have become more in demand. Autonomous inspections are possible today, but how can they help with light and heavy intervention?
Kreuz, Seamec Mobilize Vessel for ONGC Offshore Project
As part of a 2-year deal, the Kreuz Glorious will help with the inspection of offshore jackets in the Arabian Sea. Kreuz will also provide personnel for project management and offshore construction.
C-Innovation Opens New Dock Facility for Subsea Work
The Port Fourchon, Louisiana, facility will serve as the base for the company’s operations in the area. Its subsea services group has performed multiple hydrate remediation projects in the US Gulf of Mexico since its formation.
Development of Barrier-Fluid-Less Subsea Pumps Gains Momentum
The latest entrants to tackle the development of barrier-fluid-less subsea pumps are Saipem and Curtiss-Wright Corp., who agreed to collaborate in designing and building pumps for water treatment and injection.
AUVs Surface as Next-Gen Data Gathering Platforms
As operators look for cost-efficient ways to address the challenges in facility maintenance and deepwater exploration, autonomous underwater vehicles are being developed for complex data gathering and advanced tasks.
Subsea 7 Completes Acquisition of Siem Offshore Contractors
Subsea 7 completed the acquisition of Siem Offshore Contractors along with a cable-lay vessel and a support vessel.
Moving Away From Our “Eiffel Tower” Approach to Offshore Processing Equipment
We don’t include a structure like the Eiffel Tower with separators, pumps, and compressors on the top observation platform in an onshore development plan. And yet, how many jacket platforms are there around the world?
Swarming, Swimming Robots Make Their Debut
Aquabotix’s SwarmDiver technology marks a major milestone in the growing trend toward swarm-deployed underwater vehicles.
High-Voltage Subsea Pump Enables Low-Cost Boosting
Subsea pumps are used for gas/liquid separation, subsea compression, and subsea boosting. Solutions aiming at cost reductions are crucial to make subsea processing projects feasible. A cost- and complexity-reduction solution for the subsea electrical power supply is a critical consideration.
Selecting the Right Subsea Pump for Your Application
Operator or manufacturer’s reports and published papers are reviewed and a criterion is developed for subsea pump selection.
Subsea High-Boosting Multiphase Pumps Increase Oil Recovery in Aging Field (Includes presentation slides)
Production from an offshore Angola field has been decreasing because of subsea pressure declines amid water-cut increases and limited gas compressor capacity. The development process leading to the selection of high-boosting multiphase pumps is described.
Corinth Secures Subsea 7 Contracts for Aker BP Subsea Tiebacks
The steel pipe manufacturer agrees to deliver outer pipes for pipe-in-pipe flowlines for a pair of recently-announced Aker BP projects in the Norwegian Sea.
TechnipFMC Completes Kaombo Umbilicals Project
Completion of the umbilicals system marks another step toward startup for the Total-operated ultradeepwater development offshore Angola.
Executing Offshore Projects More Efficiently
Offshore project execution enhancement ideas are highlighted for debottlenecking, gas-hydrate-induced pipeline vibration, and the design of subsea systems for efficient startup.
Designing Subsea Systems for Efficient Startup To Mitigate Topside Downtime
The workflow aims to reduce the startup time of a subsea production system (SPS). A dynamic integrated model is used to adjust the scheduled SPS startup time. The model evaluates the dynamic simulation response of a large field startup by integrating a reservoir- and gathering-network model.
Regulatory Push Grows for Decommissioning of Subsea Equipment
The shutting in of unprofitable offshore wells and the requirements for their plugging and abandonment is attracting more attention to what is being done with the associated subsea equipment. The benefits of leaving subsea systems in place vs. recovering them are being considered.
C-Innovation Forms Subsea Projects Group
C-Innovation formed a turnkey subsea projects group based in Edison Chouest Offshore’s Houston office. The vertically integrated network of affiliate companies will provide support for complex projects.
All-Electric Subsea Processing Advances With Testing of Subsea Variable Speed Drive
A JIP turned the dial closer to achieving all-electric subsea processing with the underwater testing of a subsea variable speed drive in a harsh water environment.
GATE Energy Joins Ranks of Contract Awardees for Noble’s Leviathan Project
GATE Energy is the most recent contract awardee for Noble Energy’s Leviathan project offshore Israel. It will provide the commissioning of the production platform for the megaproject.
Reliance Awards McDermott Contract for KG-D6 Subsea Development
McDermott announced a letter of award for a contract from Reliance Industries for the deepwater KG-D6 subsea field development in the Krishna Godavari Basin.
TechnipFMC Awarded EPCI Contract for Husky’s West White Rose Project
Husky Energy awarded the EPCI contract for its $1.6-billion expansion project, West White Rose, to TechnipFMC. It includes the supply and installation of subsea equipment.
BP's Vessel Khankendi Completes Sea Trials in the Caspian
Baku Shipyard completed the sea trials of BP's subsea construction vessel Khankendi, which is being constructed for the Shah Deniz Stage 2 project.
New JIP Aims for Universal AUV Connection With Pinless Technology
WiSub will lead a consortium with Statoil, Kongsberg, Saab, and other companies and universities to develop a standardized interface for AUV docking with subsea structures, as well as bi-directional power transfer to help charge sensor networks.
M2 Subsea, Harvey Gulf Marine Form GOM Service Alliance
M2 Subsea, a provider of ROV services, formed an alliance with vessel operator Harvey Gulf Marine International to provide subsea ROV services in the Gulf of Mexico.
Design Tools for Arctic Subsea Pipelines
As the design methodologies evolve for arctic pipelines, strudel scour, permafrost thaw settlement, and ice gouging need to be factored in with environmental and geotechnical data, limit states, and trenching and backfilling activities.
Arctic Pipeline Route Selection
To reduce the risks to arctic pipelines from natural or geologic hazards, a more sophisticated approach to routing compared to traditional methods based on only the shortest length of pipe or connectivity to existing infrastructure is needed.
Taking on the Arctic With New Concepts
New approaches to arctic activities include a concept for an offshore ice-resistant LNG export terminal, the design of subsea pipelines, and the optimal routing for the pipelines to mitigate the unique risks in arctic regions such as ice-gouging and permafrost thaw.
DNV GL Adds a UK Research and Testing Facility
The expanded research and testing capabilities offer the only vertical test rig for subsea safety valves and one of the largest high-pressure natural gas test facilities in the world.
Subsea Processing: Asset Life Extension and Stranded Fields Development
Operators are increasingly using existing offshore infrastructure for asset life extension, and developing new marginal stranded fields rather than develop new large greenfields. Subsea processing is an enabling technology in this goal.
SwRI Adds New HP/HT Subsea Equipment and Systems Facility
Southwest Research Institute is adding a new facility to its capabilities in testing and evaluating subsea equipment and systems.
Applying Subsea Fluid-Processing Technologies for Deepwater Operations
Subsea processing is an evolving technology in ultradeepwater development and has the potential to unlock a significant amount of hydrocarbon resources. In this paper, the authors have reviewed the application of subsea systems in 12 deepwater fields and discussed the significance of each.
Statoil: Subsea Compression Systems To Extend Field Life
A closer look at the design and construction of Statoil’s subsea gas compression systems in the Åsgard and Gullfaks fields, the first of their kind in the oil and gas industry.
Finding New Ground in Subsea Integrity Management
Deepwater production has become more reliant on the integrity of subsea, umbilical, riser, and flowline (SURF) systems. A JIP explored cost-effective inspection and maintenance options.
Oversupply of Subsea Vessels To Continue Until Gradual Recovery in Operators' Spending
Douglas-Westwood (DW) expects the expenditure of subsea vessel operations to begin a gentle upswing after next year.
Performance Testing of an Inline Electrocoalescer Device With Medium and Heavy Crudes
To support subsea processing of heavy crudes, an inline electrocoalescer was tested for separation of water droplets dispersed in the crude oil.
Subsea Infrastructure Growth Tempered by Oil Price Collapse
Projects are being delayed or deferred due to low oil prices, which is affecting the market for subsea, umbilicals, risers, and flowlines (SURF).
Forging of Subsea Equipment: Standardization of Specifications Aims To Improve Delivery Time
To provide a best practice approach aimed aimed at reducing delivery time and production costs and improving material quality, a joint industry project led by DNV GL resulted in a recommended practice for steel forgings in subsea applications.
A Modular Subsea Direct-Current Electrical-Power System
Subsea power demand is growing to support various processing loads, including pumps and compressors. This paper presents a modular direct-current electrical-power system that is designed for use in a subsea field with medium or long step-out distance
Fast Production Recovery of a Typhoon-Damaged Oil Field in the South China Sea
After severe damage in a typhoon, the Huizhou oil field in the South China Sea was back on production in 5.5 months. This paper reviews how this feat was accomplished.
Increasing Activity, Complexity, and Water Depths To Push Subsea Vessels Operations Cost Higher
Over the next 5 years Douglas-Westwood (DW) expect USD 122 billion to be spent on global subsea vessel operations—an increase of 64% compared with the previous 5-year period.
Design and Performance Testing of a Subsea Compact Separation System for Deepwater Applications
Because of extremely high internal and external pressures, unconventional separator designs must be used in ultradeepwater applications. A major operator has qualified a number of subsea technologies covering a wide range of operating conditions and fluid properties that encompass its subsea portfol
How Much Would You Spend To Develop a New Technology?
The value of new technology, and its ROI, is examined. Understanding the value proposition is not a trivial matter. When investing in facilities technologies, we have traditionally looked to invest in those that will reduce Capex or Opex. But what about niche technologies?
Optimization of Integrated Template Structures for Arctic Subsea-Production Systems
This paper analyzes the various selection methods of integrated template structures (ITSs) for use in the Arctic environment. Operation and installation of subsea modules in the Barents Sea are also analyzed in this paper.
Global Subsea Hardware Market Forecast To Total USD 117 Billion From 2014 to 2018
As production from mature basins onshore and in shallow water declines, the development of deepwater reserves has become vital. Consequently, production and Capex are expected to rise.
Innovative Solutions Enable Production Start of China’s First Marginal Subsea-Tieback Oil Field
Linhua4-1 was China’s first tieback subsea development project. To develop this marginal oil field, a number of technical challenges were overcome through a series of new technologies, and their successful development and implementation.
Seafloor Factory Concept Drives Subsea Power Technology Development
As offshore development moves into deeper waters, harsh environments, and longer distances, the economic and practical advantages of moving as many components to the seafloor as possible has become a driving factor in technology development.
Design Method Combining API and ASME Codes for Subsea Equipment for HP/HT Conditions up to 25,000-psi Pressure and 400°F Temperature
This paper demonstrates a design methodology that combines the API and American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessels Code (BPVC) for designing an example subsea pressure containing component for HP/HT conditions greater than 15,000 psi and 250°F.
Reassessment of Multiphase Pump on Field-Case Studies for Marginal-Deepwater-Field Developments
This paper focuses on the applicability of subsea processing technology employing multiphase pumps to develop marginal fields commercially. Analytical methods were used to evaluate the pumps, and the results were validated through case studies in specific fields.
ROV Work-Class Operation Expenditure to Grow by 80%
Expenditure is forecast to increase more than operational days because of the move toward deeper waters and more complicated offshore field development programs, which demand higher specification, higher cost ROVs.
Subsea Vessel Operations Market Poised for Increase in Demand
The global subsea vessels market is expected to reach more than USD 100 billion in the next five years, with demand up by 23%.
Subsea Hardware Spend Forecast To Double From 2013 to 2017
Deepwater activity is booming in the Golden Triangle (Brazil, west Africa, and the Gulf of Mexico), which is forecast to account for 44% of total subsea hardware expenditure. Trunkline projects are of particular significance.
Deepwater Capital Expenditure of USD 223 Billion Forecast From 2013 to 2017
In 2013, as deepwater projects become increasingly capital intensive, there are economic challenges for exploration and production (E&P) companies and a potential prize for international oilfield service and equipment vendors. Deepwater represents a long-term opportunity.
Deepwater Developments and Increased Confidence Drive Growth in Subsea Vessel Operations
The market for subsea vessel operations in field development; inspection, repair, and maintenance (IRM); and subsea well intervention is expected to grow 63% during 2012 to 2016.
Standardization in Underwater Facilities Engineering
Complexity is now a day-to-day parameter in the world of the subsea engineer. We are not developing these systems for fun; huge value is associated with maximizing recovery from these deep, remote oil and gas reservoirs.
Offshore Asset Integrity Management Advances With New Technologies
Asset integrity management encompasses the design, operation, and maintenance of an asset to preserve its integrity at an acceptable level of risk throughout its operating life.
Measurement Technologies for Subsea Processing Systems
The OTC 2012 Spotlight on Technology awards highlighted subsea separation and boosting and subsea heavy oil and water separation technologies in deep water.
Compression Moves from Topsides to Seabed in North Sea
After approximately 25 years of development, subsea gas compression technology has advanced to a readiness level worthy of full implementation in the North Sea.
Pressure-Tolerant Power Electronics for Deep and Ultradeep Water
This paper presents results from an ongoing research project (SINTEF 2011) on pressure-tolerant power electronics. The main goal of the research is to provide and demonstrate solutions that enable power-electronic converters to operate in pressurized environments.
Comparison of Multiphase Pumping Technologies for Subsea and Downhole Applications
The selection criteria for multiphase boosting options remain somewhat subjective. A comprehensive literature review into the working principles of the major pump types identified the intrinsic advantages and limitations of each technology for subsea and downhole applications.
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24 October 2018
06 November 2018
24 October 2018
07 November 2018
ITEMS OF NOTE
07 August 2018
20 July 2018
16 February 2018
18 December 2017
28 November 2017