Techno-economic analysis of offshore isothermal compressed air energy storage in saline aquifers co-located with wind power
Offshore wind power projects are increasingly attractive in many regions even though
capacity is impacted by intermittency as it is with other renewable power sources. We …
capacity is impacted by intermittency as it is with other renewable power sources. We …
Oil drilling rig diesel power-plant fuel efficiency improvement potentials through rule-based generator scheduling and utilization of battery energy storage system
This paper presents the development of a rule-based energy management control strategy
suitable for isolated diesel power-plants equipped with a battery energy storage system for …
suitable for isolated diesel power-plants equipped with a battery energy storage system for …
A retrofitting control system design suitable for deep borehole drilling using legacy draw-works mechanical brake hardware
Deep drilling operations are typically needed when producing deep wells for hydrocarbon
exploitation or geothermal energy applications. Since a notable portion of existing deep …
exploitation or geothermal energy applications. Since a notable portion of existing deep …
Understanding rig rate formation in the Gulf of Mexico
We examine the largest cost component in offshore development projects, rig rates. High rig
rates in recent years have restricted development of new oil and gas fields, as well as IOR …
rates in recent years have restricted development of new oil and gas fields, as well as IOR …
Modelling and forecasting rig rates on the Norwegian Continental Shelf
We analyze rig rate formation of floaters operating on the Norwegian Continental Shelf. We
first develop a simple bargaining model for rig markets. Then we examine empirically the …
first develop a simple bargaining model for rig markets. Then we examine empirically the …
[PDF][PDF] Booms, busts, and mismatch in capital markets: Evidence from the offshore oil and gas industry
N Vreugdenhil - Journal of Political Economy, Forthcoming, 2020 - nvreug.github.io
How efficiently do markets reallocate capital in booms and busts? Using a novel dataset of
offshore drilling contracts I examine the role of matching in shaping industry reallocation. Oil …
offshore drilling contracts I examine the role of matching in shaping industry reallocation. Oil …
Single-step auto-tuning of external active damping control strategy for a drill-string speed-controlled electrical drive
This paper presents a single-step automatic tuning procedure and an estimator of key
parameters of the drill-string system used in deep drilling applications. It is aimed at precise …
parameters of the drill-string system used in deep drilling applications. It is aimed at precise …
[PDF][PDF] Laboratory prototyping of control system retrofitting designs for oil drilling applications
This paper presents the design and detailed experimental verification of oil drilling
automation systems, which included draw-works hoist-based Weight-on-Bit/Rate-of …
automation systems, which included draw-works hoist-based Weight-on-Bit/Rate-of …
Automation systems design and laboratory prototyping aimed at mature petroleum drilling rig retrofitting
Sažetak This paper presents a control system design methodology for the drill-string rotary
drive and draw-works hoist system aimed at mature drilling rig retrofitting. The rotary drive is …
drive and draw-works hoist system aimed at mature drilling rig retrofitting. The rotary drive is …