Digital Twins Mature in the North Sea
A proving ground for the use of digital twins has emerged in the North Sea. There, operators Total, Aker BP, and Shell have each developed and deployed twins that they expect to pay big dividends.
Premier Oil Makes Gas Strike in UK North Sea
Development of the Tolmount East discovery will be fast-tracked, the operator said.
Neptune Energy to Buy Edison E&P’s North Sea Assets
The deal is contingent on Energean Oil and Gas completing its acquisition of Edison E&P, announced in July.
For Subsea Technology, “Necessity is the Mother of Invention”
Subsea advancements in the works include longer tiebacks, an underwater drone that lives on the seafloor, and a robotic manifold capable of actuating dozens of valves. Do these new capabilities, born of necessity, signal a sea change in industrywide technology development?
North Sea Still a Big Part of Total’s Future
Recent exploration success in the North Sea has motivated Total to invest some $10 billion in the basin over the next 5 years.
Optimization Framework Improves Mariner Field Development
The growing popularity of model-based optimization work flows has resulted in an increase in their application to field cases.
New OGA Wells Strategy Focuses on Improving Economics of UKCS Oil and Gas
The strategy supports the Maximise Economic Recovery from UK Oil & Gas Strategy and Vision 2035, whose goal is to achieve £140 billion additional gross revenue from UKCS production by that time.
Hurricane Hits First Oil From Basement Reservoir in North Sea
This new development is the first to recover commercial quantities of oil in the UK from reservoirs that are generally considered non-productive.
Thirty Firms Awarded Blocks in UK’s 31st Offshore Licensing Round
The round marked a continuation of a recent trend on the UKCS in which lesser-known firms and newcomers have gained stature, replacing more-familiar, bigger operators that have pared down their North Sea positions.
Interwell EOR Pilot Proves Advantages of Polymer Flooding
This paper discusses an enhanced-oil-recovery (EOR) polymer-flood pilot at the Captain field in the UK North Sea during 2011–2013.
Chevron Sells UK North Sea Assets
There is a new, big independent in the UK North Sea, Delek Group. Its UK North Sea arm, Ithaca, bought most of Chevron’s holdings in the sector in a $2 billion deal.
ConocoPhillips to Exit UK E&P Business in $2.7-Billion Sale
With the purchase, the growing, privately-held Chrysaor Holdings will expand its UK North Sea production to 185,000 BOE/D.
UK Releases 130 Terabytes of Oil and Gas Data
Data from the UK Oil and Gas Authority’s new data repository cover 12,500 offshore wellbores, 5,000 seismic surveys, and 3,000 pipelines.
CNOOC’s “Major Find” In North Sea Is Biggest In 11 Years
The state-run offshore company has found a gas and condensate field that holds an estimated 250 million BOE.
Wintershall, Seadrill To Use Automated Drilling on Newest Rig
The latest example of the offshore sector's march toward automated wellbore construction will take shape later this year in the North Sea.
UK’s Latest Licensing Round Aims for Offshore Frontiers
Just 2 months after issuing more than a hundred licenses, the Oil and Gas Authority begins the process again for a whole new set of blocks.
Chevron Prepares To Sell Central North Sea Assets
The company announced it would “initiate the process” of marketing its UK Central North Sea fields as part of a portfolio review.
The UK North Sea: How To Manage an Aging Basin
A recent spike in production has engendered a cautiously optimistic outlook for the UKCS, but will it do anything to stave off the overall decline of the mature basin?
Old CaTS Technology Learns a New Trick
Acquiring data from an abandoned subsea well has been done before, but never quite like this.
North Sea Acreage Awarded to 61 Firms in UK Licensing Round
UK’s active 30th Licensing Round resulted in the award of 123 licenses to a diverse set of 61 companies—an outcome that UK government officials hailed as more proof that interest is picking up in the aging North Sea.
ConocoPhillips Considering Sale of North Sea Assets?
The potential sale could net as much as $2 billion, depending on which assets were made available. The company has not launched a formal process but is said to be testing the waters, according to a new report by Reuters.
Integrating Managed-Pressure Drilling Into HP/HT-Well Planning
An early commitment to integrate MPD into an HP/HT drilling operation can make MPD more than just an enabling tool and turn it into a performance tool that offers significant operational benefits.
TechnipFMC Delivers Subsea Systems for Lancaster EPS
Hurricane Energy is still on pace for first oil in 2019 for the Lancaster field, which may lead to more significant development in the UK North Sea.
North Sea Discoveries Highlight Rebound in the Slumbering Sea
BP announced two North Sea discoveries, adding to signs of a revival in play that was looking old, tired, and overpriced a couple years ago.
Shell’s Penguins Redevelopment a Step Forward in North Sea Revival
The long-term decommissioning of the historic Brent field has necessitated redevelopment of the younger Penguins field in the North Sea, where the UK hopes to see more revival projects in the coming years.
Multiwell Deployment of a New Abandonment System
A new downhole-tool-based abandonment system was developed and deployed successfully on four wells for a major operator on a field in the North Sea.
Case Study: Drone Technology Inspection of UK North Sea Facility
Intel and Cyberhawk released a case study outlining the successful inspection of a gas terminal near the coast of Scotland using commercially available drone technology.
BP and Shell Agree: A New Energy Future Is Coming
The world still needs oil and gas, but it is also making room for renewable energy which will change how upstream companies do business.
Total Acquires Maersk Oil in $7.5-Billion Deal, Boosts North Sea Presence
Total’s acquisition of Maersk Oil includes holdings in the North Sea Johan Sverdrup and Culzean projects. Total will become the second-largest operator in the northwest Europe offshore region. Maersk’s strategy shifts to its transport and logistics division.
First Oil From Kraken: Offshore Project To Increase UK Production by 15%
30 years after being discovered in the North Sea, this heavy-oilfield is now flowing.
Shell CEO Ben van Beurden To Speak at SPE Offshore Europe 2017
Royal Dutch Shell CEO Ben van Beurden is to speak at the opening plenary session at SPE Offshore Europe 2017, which is being held in Aberdeen from 5–8 September.
SPE Offshore Europe: BP CEO Bob Dudley to Lead Opening Plenary
CEO Bob Dudley, who calls BP’s UK North Sea business one of its “crown jewels”, will address hundreds of delegates at the opening plenary session at Europe’s foremost exploration and production technical conference and exhibition.
Energy Policy Uncertain in the Wake of Brexit Referendum
With an uncertain future spawning from the Brexit referendum, the British government is seeking to maintain as much consistency in its energy policy as possible.
New Approach Tests Cement-Sheath Integrity During Thermal Cycling
Operators in the North Sea have been concerned about the ability of the cement sheath to maintain sealing integrity because of the increasing number of reported failures in mature wells. This paper presents results from a new laboratory setup to visualize the source of issues.
Tandem Downhole-Isolation-Valve System Eliminates Snubbing
The operator of an offshore jackup rig in the North Sea required safe and efficient deployment of the completion string without killing the well during tripping.
Faster Rate of Penetration in Hard Chalk: Proving a New Hypothesis for Drilling Dynamics
Large areas of the North Sea contain Cretaceous sediments, which form a massive hard layer of chalk that historically has presented a major drilling risk and expense to operators in the area.
Plasma-Based Tool Facilitates Plugging and Abandonment
This paper presents current advances in the development of a plasma-based milling tool and its use in casing-section milling for P&A.
Offshore Europe Review: North Sea’s Problems Driving Push For Change
The global industry is feeling the pain of the oil price plunge, but the UK feels it more acutely. Exploration drilling is at rock bottom levels, the offshore UK Continental Shelf is one of the world’s most expensive from which to produce a barrel of oil, and investment spending is expected to fall.
Offshore Europe: Endgame in the North Sea Inspires Creative Thinking
In a down market, plugging and abandoning North Sea wells looks like an opportunity. The cost for operators is reduced because the government is paying more than half of the cost of the work, and many service companies hungry for work are offering discounts.
Dynamic Fault-Seal Breakdown - Investigation in the North Sea Egret Field
The ability to predict the effect of faults on locating remaining hydrocarbon is critical to optimal well-placement, reservoir-management, and field development decisions.
Evolution of Multistage-Fracture Completions in a North Sea Environment
This paper reviews two newly developed novel completion systems that significantly reduce time spent performing multistage stimulation in environments where cost and consequence of failure are high.
Development of a Stranded Tight Gas Field in the North Sea With Hydraulic Fracturing
There are more than 100 accumulations in the southern North Sea that are flagged as stranded fields. One of these stranded tight gas fields, the Kew field, has been developed successfully with the use of a subsea well, horizontal drilling, and hydraulic fracturing.
Modeling Formation Damage and Completion Geometry in the Gyda Reservoir
This study concerns the mature Gyda reservoir, where some recent production wells have underperformed relative to equivalent initial wells.
Moorings Replacement and Hookup for a Damaged North Sea FPSO
This paper describes the measures put in place so that the mooring system of the Gryphon Alpha FPSO could be replaced and reconnected on an efficient schedule.
Aging Offshore Fields Demand New Thinking
When he started his firm focused on removing obsolete offshore structures, Brian Twomey chose the name: Reverse Engineering Services. The thinking was that taking out a structure is like building it, but in reverse.
Sonar Metering Optimizes Production in Liquid-Loading-Prone Gas Wells
This paper discusses the use of clamp-on sonar flowmeters to minimize losses associated with well testing and to gain the subsequent benefits seen with respect to production optimization and well deliquefication.
Reusable Filtration Technology Under Development
A new type of organically modified silica glass that can remove a wide variety of oils and contaminants from produced and flowback water is showing promising results as it undergoes field trials.
ECD-Management Strategy Solves Lost Circulation Issues
Drilling horizontal infill wells in the Pierce field in the UK central North Sea is challenging because of a narrow drilling window caused by depletion in a highly fractured reservoir.
Pioneering Subsea Gas Compression Offshore Norway
The world's first full-scale subsea gas compression system is the final stages of construction and is on schedule to be installed in the Åsgard gas field offshore Norway by year's end.
Comparing North Sea and Deepwater Gulf of Mexico Produced-Water-Treating Systems
In terms of platform technologies and extraction strategies, there are fundamental differences between the North Sea and the deepwater Gulf of Mexico (GOM).
A Geosteering Success Story From the North Sea
The Nini East field represents a significant drilling challenge.
Rigless Intervention Case Studies in the North Sea and Equatorial Guinea
There are considerable benefits to conducting rigless subsea well intervention from specialized monohull vessels.
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