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Systematic experimental and modeling approaches to designing a safe operating strategy for a 5-km deepwater-subsea-flowline case study are presented to address unplanned shutdown and restart events for waxy-crude production.

The three papers in this issue compare the options available for multiphase pumping in both downhole and subsea environments, discuss design of electronics in deep water, and provide a case study on enhancing recovery.

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.

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.

In an SPE webinar, “Foaming in Separators: Handling and Operation,” Wally Georgie, principal consultant at Maxoil Solutions, presented an overview of foam generation and how the design of processes and chemical management can exacerbate its detrimental effects in separators.

The 2013 SPE ATCE to be held 30 September–2 October in New Orleans features technical and special sessions, and a dinner event spotlighting projects, facilities, and construction.

This month's papers address one of the effects of an alkaline-surfactant-polymer flood on changes to the emulsion rheology, the conservation of flared associated gas from two onshore Tunisian fields despite high H2S and CO2 content, and minimizing HSE impacts for pipelines in the Baltic Sea.

The present work describes the development of a 1D steady-state isothermal reservoir/surface gas-pipeline-network model. The developed model is an extension of the general pipeline-network model in which the deliverability from the wells is calculated.

During the design of two parallel gas pipelines from Russia to Germany through the Baltic Sea, major design changes were made to minimize project impacts, resulting in rapid approval by all five affected countries.

In this paper, the authors report results from experiments as well as modeling of water/oil-emulsion rheology that can form during alkaline/surfactant/polymer injections for enhanced recovery.