TOPICS OF INTEREST
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.
Well-Abandonment Solutions Use Bismuth and Thermite Effectively and Safely
This paper demonstrates a new way to create gas-tight seals during well abandonment, overcoming the limitations of traditional methods and reducing the operator’s liability and potential environmental impact after decommissioning has been completed.
Mature Fractured Reservoirs Can Be Repurposed for Gas Storage
This paper discusses studies conducted on two California offshore fields that may be abandoned in the near future. These studies examined the feasibility of repurposing these fields for offshore gas storage by using their reservoir voidage and existing pipeline facilities.
What Happens When Facebook Technology Meets Oil Well Records
The same tools that make it fun and easy for you to see a friend's updates online are also pretty good at tying together unconnected databases holding valuable well information.
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?
Coiled-Tubing Telemetry Intervention in Shut-In Conditions
When a new horizontal well in Asia was incapable of unassisted flow, coiled tubing (CT) was selected for the perforation and stimulation intervention. Mechanical isolation was required to ensure that the stimulation fluids entered only the new zones.
Operators Utilize Early, Strategic Planning for Successful Decommissioning
Many operators are taking a full-life-cycle approach to preparing for decommissioning—a shift borne of necessity amid cost and regulatory constraints.
System Cuts P&A Cost by Creating Rock-to-Rock Barrier in One Trip
Archer’s Stronghold Barricade well decommissioning system leaves the casing in place, while perforating, washing, and cementing the annulus to create a cement barrier in a single trip.
Decommissioning and Abandonment
The supply chain is now actively working to develop low-cost solutions and is gaining valuable experience through recent projects (as documented in many recent SPE papers). Owners need to engage the supply chain early with the relevant asset data for planning and execution of decommissioning.
Decommissioning Optimization in a Multioperator Landscape
The optimization model presented in the complete paper is the first multioperator offshore network-optimization model that considers decommissioning in the Netherlands.
Reducing Costs of Well Plugging and Abandonment While Verifying Risk
The complete paper describes how various P&A designs can be compared by use of a risk methodology that takes account of degradation mechanisms, potential flow rates, and the effect on the environment.
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.
Decommissioning and Footprint Reduction
When companies are rewarded for short-term performance, there is little incentive to deal with long-term risks such as decommissioning. It’s so much easier to leave it for the future; but increasingly, that future is now.
Cement Placement With Tubing Left in Hole During Plug-and-Abandonment Operations
This paper presents full-scale tests that show it is possible to obtain good cement placement when the tubing is left in the hole.
University Consortium Prepares for Spike in Decommissioning
A new university-led consortium aims to bring together industry and academia to help operators efficiently orchestrate the final days of deepwater developments.
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.
The Looming Market for Abandonment and Decommissioning
As the boom of the 1970s and 1980s makes way for the first tranche of major decommissioning projects, the market for abandonment and decommissioning has grown over the past 5 years. To deliver these projects in a safe and economic way, decommissioning needs to be accepted as a serious challenge.
Decommissioning and Abandonment
Our industry is governed by rules that require cleanup and closure of oil and gas facilities after they cease to produce. Unlike a capital project, decommissioning is not something that you can choose to do or not to do.
Risk-Based Abandonment-Prioritization Strategy for Inactive Subsea Wells
This paper describes how an exploration-and-production company successfully developed and applied a qualitative risk-based abandonment-prioritization strategy for an inventory of inactive subsea wells.
A New Recommended Practice for Fit-for-Purpose Well Abandonment
DNV GL is introducing a new, risk-based recommended practice for performing and qualifying well abandonments titled DNVGL-RP-E103, Risk-Based Abandonment of Offshore Wells.
Concurrent Decommissioning Method Enables Safer, Lower-Cost Process
With regulatory pressure and the cost of decommissioning increasing, many operators are seeking new and better decommissioning methods that could get more work done safely and at a lower cost.
Wireline Method Offers Faster, Cheaper Plugging for Deepwater Wells
A new method for accessing and cementing hard-to-reach spaces around complex offshore wells.
Decommissioning and Abandonment
With the current low-oil-price environment, the cost of decommissioning is seen as a key driver for the ongoing economic viability of the basin.
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.
Miniaturized Coiled-Tubing System Reduces Costs During Pipeline Decommissioning
This paper presents the challenges and obstacles faced in the use of a new technology for the plugging and deoiling of sections of unpiggable flowlines before decommissioning.
Behind-Pipe-Log-Evaluation Study: Deepwater Subsea Abandonments
Techniques for well-abandonment log evaluations have been studied in the Gulf of Mexico since 2012. The new methods described in this paper consist of adding nuclear sensors to supplement the acoustic measurements and introduce novel processing methods.
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.
Renaming of New Construction Vessel Offers a World War II History Lesson
Allseas Engineering’s giant new offshore construction vessel has a new name, prior to its first job. What was once the Pieter Schelte is now the Pioneering Spirit.
Decommissioning Costs Can Be Reduced
Many offshore decommissioning costs are higher than necessary because of decisions made during the initial engineering and construction for an oil or gas field.
Probabilistic Cost and Time Estimation of Rigless Plug and Abandonment
With a high demand for plug and abandonment (P&A) of subsea wells in the future on the Norwegian continental shelf, industry is challenged to find alternatives and rigless technologies that can make P&A operation more cost-effective and -efficient.
Permanently Plugging Deepwater Wells Challenges Standard Operating Procedures
Well plugging and abandoning on a limited budget is a lofty goal that forces the industry to consider new ways and new materials. Cost-effectively dealing with this global problem will require developing tools to carry out the decommissioning without bringing in a drilling rig.
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.
Winds of Change Reduce Cost of Removing Gulf of Mexico Platforms
A strong reason for removing old platforms from the Gulf of Mexico, rather than trying to squeeze more years of marginal production out of them, is hurricanes.
Searching for New Ways To Make the Cut
Much of the new technology development occurring now is aimed at finding better ways to sever the thick, tough steel structures and wellheads so that they can be removed.
Modeling Options for Drill-Cuttings Management
Advances in modeling techniques allow quantitative prediction of long-term trends in cuttings-pile characteristics and environmental risks, providing firm direction in mitigating risks.
Decommissioning and Abandonment
Industry perceives decommissioning projects as more risky and uncertain than capital projects. Several recent decommissioning projects delivered in an immature marketplace seem to support this view.
Environmental Risk Arising From Well-Construction Failure
The great majority of wells do not pollute.
Digital-Slickline Capability on Plug-and-Abandonment Conveyance Phases
P&A activities using digital slickline increase equipment, logistic, and marine-support efficiency.
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13 August 2019
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