TOPICS OF INTEREST
New Innovations Enable Autonomous Pipeline Inspections
As companies look to reduce the time it takes to inspect a subsea pipeline, as well as the costs involved in the operation, autonomous systems have become a more desirable option. How close are they to becoming the norm?
DNV GL Issues New Recommended Practice for Subsea Welding
Aimed at streamlining manufacturing processes and significantly reducing costs, the practice provides standardized operator requirements that DNV GL says will ensure consistency in the fabrication of subsea pressure retaining equipment such as wellheads, manifolds, and jumpers.
Saipem Considering Merger With Subsea 7
Bloomberg reports that Saipem is seeking to bulk up and weather an industry downturn. A potential deal could create an oilfield service giant with more than $12.4 billion in revenue.
Will Faster Robots Improve Subsea Pipeline Inspections?
Sensors, robots, and artificial intelligence have made their way into a number of areas within the industry, including pipeline inspections. Shell has begun to examine the innovative technologies that could shift the inspection paradigm.
TechnipFMC’s Newly Named E&C Player To Focus on LNG
Technip Energies will work on a backlog comprising more than 50% in LNG-related business. Retaining the TechnipFMC name, RemainCo will generate nearly 90% of its revenue outside the US and Canada.
Equinor Awards Milestone Wireless Subsea Drone Contract
The $43-million deal with Saipem will utilize a wireless underwater intervention drone and an ROV for intervention work on the Njord field in the Norwegian North Sea. Equinor said the contract is the first ever from an operator for advanced wireless drone services.
Equinor Installs Templates for Troll, Other North Sea Fields
After seeing a significant increase in the price level for subsea equipment, Equinor says it is realizing the ways in which standardized subsea templates help build financial competitiveness. The new standard allowed for the installation of 14 templates in one month.
Subsea Pipelines, Umbilicals Installed for Nova Field
The completion of the subsea installation marks another major step for one of several projects scheduled to tie back to the Gjøa platform in the Norwegian North Sea. Production for the Wintershall Dea-operated project is expected to start up in 2021.
Subsea Markets Face High Stakes if Oil Prices Slide
In a $60 to $70 oil environment, the subsea market is poised to grow around 7% annually up to 2025. But a significant portion of this activity is at risk if the price of Brent crude falls to $50 per barrel.
Swire Seabed Completes Autonomous Pipeline Inspection for Equinor
The subsea operations company said its most recent campaign is the first fully unmanned offshore pipeline inspection completed “over the horizon,” surveying up to 100 km from the shore.
Shell Sanctions Deepwater PowerNap Project
The subsea tieback is expected to start up in 2021. This is Shell’s second major development on a tieback in the US Gulf of Mexico, following Kaikias’ startup in May.
Neptune Begins Subsea Installation Work on Duva Field
The Neptune-operated project is on track to start drilling later this year, with first oil scheduled for the end of 2020. The Norwegian North Sea field is expected to produce 30,000 BOE/D at its peak.
McDermott Completes First Installation Campaign for R-Cluster Project Offshore India
Completion comes despite two cyclones disrupting the project area during installation, McDermott said.
BHGE Launches Multimodal Facility Expansion in Angola
The facility will serve as a hub to support customers and projects in the Angola and Southern Africa region.
Addressing the Gaps in Subsea Produced Water Treatment
Operators are looking for ways to better handle water coming from subsea wells, which is typically treated at topside facilities. Subsea separation systems are not equipped to discharge water back into the reservoir, so how do companies close the gaps?
Ashtead Technology Acquires Aqua-Tech Solutions
Ashtead Technology has acquired Louisiana-based subsea equipment rental and cutting services specialist, Aqua-Tech Solutions, as part of the company’s international growth plans in the US.
Aker Solutions and FSubsea Aim for Increased Oil Recovery With FASTSubsea
Aker Solutions and FSubsea have agreed to a joint venture, named FASTSubsea, to help operators increase oil recovery.
Equinor To Install Underwater Drone at Asgard Field
Called Eelume, the underwater drone will perform subsea inspection, maintenance, and repair work.
Subsea is Back in Black
From its record high in 2014, purchases of subsea equipment and SURF fell around 50% until reaching a low in 2018. New data suggest that the subsea market will be a top-performing oilfield service segment.
Subsea Production Systems—Will 2019 Be a Tipping Point?
The past year ended with a surge of subsea tree awards as E&P operators locked in lower supply-chain cost. Will demand continue to grow in 2019 and allow subsea OEMs to build backlogs and take back pricing power?
Trendsetter Completes Delivery of Production Equipment for Leviathan Project
Trendsetter Engineering completed its 2-year design and build work for Noble Energy’s Leviathan project.
LLOG Awards McDermott Subsea Tiebacks Contract for Stonefly in Gulf of Mexico
LLOG’s subsea pipeline tiebacks and structures connecting the Stonefly development to the Ram Powell platform are scheduled to be installed in Q3 2019.
Saudi Aramco Awards EPCI Contracts for Pair of Major Projects
The new deal covers production deck manifolds and subsea pipelines for Zuluf and Berri, two large fields undergoing expansion projects.
DNV To Oversee Bolt Fatigue Testing Program Focused on Subsea Systems
Testing will be performed at DNV’s labs in Columbus, Ohio, and Norway and overseen by experts in fatigue of subsea equipment, bolting connections, cathodic protection, and instrumented tests.
Dawn of the Drone: A New Method for Delivering IRM Services Subsea
Subsea inspection/repair/maintenance services have traditionally relied on vessel-based, ROV, or diver operations. In the longer term, identifying significant incremental savings in these operations is not sustainable and an innovative approach deploying digital technologies is being investigated.
Equinor Starts Production From Aasta Hansteen Gas Field
A project of “firsts,” Equinor’s Aasta Hansteen spar platform began producing gas on 16 December, opening a new region for gas export to Europe and the UK.
Sustained Subsea Hardware Investment Projected for Near Term
Westwood forecasts a recovery in the subsea market backed by a new wave of offshore investment. Subsea vessel operations and hardware expenditure are expected to total $152 billion from 2019 to 2023.
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.
Swarming, Swimming Robots Make Their Debut
Aquabotix’s SwarmDiver technology marks a major milestone in the growing trend toward swarm-deployed underwater vehicles.
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?
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.
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ITEMS OF NOTE
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