Identifying Challenges in the Development of Subsea Petroleum Production Systems

Moreno-Trejo, Jorge; Markeset, Tore

doi:10.1007/978-3-642-33980-6_33

Cited by 2 publications

(4 citation statements)

References 21 publications

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“…118−120 The development of subsea systems needs to meet the design specifications and requires understanding of the oil production process, the possible environmental risks, reservoir flow, seabed conditions, costs, and performance requirements. 22 Moreover, the design of subsea equipment introduces several challenges, because installations are different from each other in terms of reservoir fluid composition, sea depth, pressure and flow, distance to shore, seabed topography, etc. As mentioned previously, some subsea separators and hydrocyclones are applied technologies, while subsea CFUs are still in the development stage.…”

Section: Challenges and Future Research Perspectivesmentioning

confidence: 99%

“…CFUs are a relatively recent advancement in the field of flotation and have largely been omitted in the literature. Moreover, we emphasize the recent improvements of subsea separation technology, as subsea petroleum production and processing facilities are increasingly used . Next, the collisions and attachment mechanisms of gas bubbles and oil droplets are outlined.…”

Section: Introductionmentioning

confidence: 98%

“…Moreover, we emphasize the recent improvements of subsea separation technology, as subsea petroleum production and processing facilities are increasingly used. 22 Next, the collisions and attachment mechanisms of gas bubbles and oil droplets are outlined. Finally, the importance of the interfacial properties and the impact of the chemical composition of the oil/water/ gas phases on the attachment process are highlighted.…”

Section: Introductionmentioning

confidence: 99%

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Gas Flotation of Petroleum Produced Water: A Review on Status, Fundamental Aspects, and Perspectives

et al. 2020

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Produced water is a major byproduct in oil production and the largest waste stream generated in the petroleum industry. At the Norwegian Continental Shelf, produced water is still mostly discharged to the sea, but some installations re-inject produced water into the reservoir for pressure support or disposal. Gas flotation is a separation technology widely used both onshore and offshore that generally reduces the oil concentration to <25 ppmv. It is also a promising technology for subsea water treatment. The aim of this review is to give an overview and provide a link between the industrial use and the fundamental aspects of gas flotation. The industrial analysis examines the development and design of gas flotation technologies: induced, dissolved, and compact flotation units. Several aspects of subsea water separation are also discussed. The fundamental aspects are dedicated to the fluid dynamics of bubble−droplet collisions and the phenomena involved after their encounter, i.e., film drainage, forces involved in this process, and spreading of oil on the surface of gas bubbles. Moreover, a detailed analysis of parameters that can affect gas flotation, like gas bubble and oil droplet sizes, droplet−bubble attachment mechanisms, interfacial properties, water composition, oil and gas properties, pressure, and temperature, is provided.

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Section: Challenges and Future Research Perspectivesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

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Gas Flotation of Petroleum Produced Water: A Review on Status, Fundamental Aspects, and Perspectives

et al. 2020

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“…Operators most often sign agreements and contracts with service companies specializing in subsea intervention to have vessels, equipment and spare parts ready for preventive maintenance activities [21]. Also, unexpected failures should be included in the strategy and agreements.…”

Section: Intervention Vessels and Equipment For Maintenancementioning

confidence: 99%

Identifying Challenges in the Maintenance of Subsea Petroleum Production Systems

Moreno-Trejo

Markeset

2012

Advances in Production Management Systems. Value Networks: Innovation, Technologies, and Management

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Abstract. Maintenance strategies for subsea oil and gas production installations entail the use of specialized equipment and vessels to carry out subsea interventions. The costs for carrying out preventive maintenance are significantly lower compared to the costs of unpredicted failures where in some cases it is necessary to reduce or stop the oil production. Based on a literature review and inputs from industrial experts, this paper discusses maintenance challenges for subsea oil and gas facilities.Keywords: Subsea petroleum production facilities, Maintenance challenges. IntroductionOil companies are trying to improve their performance to carry out more effective strategies in order to reduce interventions due to failures. Identifying some of the factors impacting the subsea production systems during the exposure on the seabed will allow them to maintain the integrity of facilities according to safety regulations as well as environmental and quality requirements. Maintenance strategies for the infrastructure of platforms in earlier projects were produced as an afterthought [1]; however, subsea facilities entail identifying alternatives to carry out preventive and corrective maintenance before the exploitation begins in order to plan individual maintenance activities and establish frame agreements with qualified service providers. Moreover, challenges are focused on reducing the possibility of failures in subsea production systems during the field life cycle. Subsea components are affected by the stress, environmental issues and individual conditions resulting from the geographic location where the production system has been installed. Environmental and reservoir factors are always impacting the equipment's performance, even though equipment is designed to work under extreme conditions. The deterioration of subsea equipment will be faster after it is deployed on the seabed and begins to work. Therefore, maintenance strategies should analyze the factors which could further affect the performance of subsea installations in order to identify possible solutions.The inspection of installations without the use of divers in fields located in deeper water has made for more complex interventions. Hence, the strategy to carry out integrity programs using ROVs (remotely operated vehicle), AUVs (autonomous underwater

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Identifying Challenges in the Development of Subsea Petroleum Production Systems

Cited by 2 publications

References 21 publications

Gas Flotation of Petroleum Produced Water: A Review on Status, Fundamental Aspects, and Perspectives

Gas Flotation of Petroleum Produced Water: A Review on Status, Fundamental Aspects, and Perspectives

Identifying Challenges in the Maintenance of Subsea Petroleum Production Systems

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