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Verlag: GRIN Verlag, 2014
ISBN 10: 3656746060ISBN 13: 9783656746065
Anbieter: AHA-BUCH GmbH, Einbeck, Deutschland
Buch
Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Technical Report from the year 2014 in the subject Engineering - Naval Engineering, Ocean Engineering, grade: A, Robert Gordon University Aberdeen (School of Engineering), course: Master of Science Oil and Gas Engineering, language: English, abstract: The Gazelle field is located offshore Kuwait in Iranian waters very close to Shat Al Arab. The field discovered with the initial exploration well in 1990. Oil production is via a steel piled jacket platform, and the export system is via FSO to a shuttle tanker. After a number of years of production, the oil rates have come off plateau with increasing amount of water cut. Field sensitivities require a new development of the Gazelle field.According to the project brief, three field developments options were proposed such as:-Refurbishment and upgrade of present system-Replacement of the oil export via the FSO and-Complete system replacementThe approach used to evaluate and recommend the most suitable development concept was based onEconomics (technical costs)Flexibility (project implementation) andAbandonment strategies.
Verlag: GRIN Verlag, 2014
ISBN 10: 3656611750ISBN 13: 9783656611752
Anbieter: AHA-BUCH GmbH, Einbeck, Deutschland
Buch
Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Technical Report from the year 2013 in the subject Materials Science, grade: B, Robert Gordon University Aberdeen, course: MSc Oil and Gas Engineering, language: English, abstract: A high pressure gas cooler located in an offshore platform have been operating for more than 10 years. Throughout that period the gas cooler have been subjected to several tube failures, the failures have caused gas leak from the tube side. Several materials upgrades have been used to contain the tube failure. The last choice was to use a more corrosion resistant material Hastelloy C22. Crevice corrosion has been reported as the primary failure mechanism. The tube and tube plate joined surfaces have been exposed to high temperature which is relatively higher than the critical crevice temperature of Hastelloy C22. There was a poor heat transfer between the shell side fluid and tube side due to a small heat transfer area and low fluid velocity in the affected zone. Stress corrosion and fatigue corrosion accounted for the secondary failure mechanism which ultimately caused a crack in the tubes. Other possible reason identified to cause crevice corrosion was the mechanical rolling expansion technique. Oftentimes it creates rear crevices on the tubes with enough geometry to develop crevice chemistry. Mitigation methods such as hydraulic expansion technique, heat treatment for residual stresses and baffle design enhancements have been proposed in this report.Key words: shell and tube heat exchanger failure; Hastelloy C22 material; tube failure; localized corrosion; crevice corrosion; internal pitting corrosion.
Verlag: GRIN Verlag, 2014
ISBN 10: 3656608067ISBN 13: 9783656608066
Anbieter: AHA-BUCH GmbH, Einbeck, Deutschland
Buch
Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Technical Report from the year 2013 in the subject Chemistry - Materials Chemistry, grade: A, Robert Gordon University Aberdeen, course: Master of Science in Oil and Gas Engineering, language: English, abstract: The corrosiveness of three different types of water was analysed through an experiment carried out with iron nails immersed in a bath for a period of 25 days. The types of water used during the experiment were respectively synthetic seawater, mineral water and sparkling water. The iron nails immersed in a bath of both synthetic seawater and mineral water suffered a corrosive attack characterized by the formation of reddish brown flakes which have adhered the surface of the iron nails. Whilst, on the other experiment, the iron nail immersed in the sparkling water suffered a very minimal corrosive attack owing to the formation of a protective layer which prevented the underlying steel from further dissolution.
Verlag: GRIN Verlag, 2014
ISBN 10: 3656623058ISBN 13: 9783656623052
Anbieter: AHA-BUCH GmbH, Einbeck, Deutschland
Buch
Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Technical Report from the year 2012 in the subject Geography / Earth Science - Geology, Mineralogy, Soil Science, grade: B, Robert Gordon University Aberdeen, language: English, abstract: This report has been written to describe the basic understanding of the petroleum system on the N'SANO field offshore Cabinda in Angola. The N'SANO field was discovered in 1992 and is located on Block 0 offshore of Cabinda province in Angola. The Block 0 is mainly divided into three source rock Megasystems which are associated with three distinct geologic packages. The Bucomazi formation is the most prolific source rock in the Area A of Block 0. The source rocks for the Bucomazi are kerogen of type I and type I-II, the migration is mostly fault related (vertical), the reservoirs are sandstones of synrift and postrift age, sealed by transgressive marine shales of Cenomanian-Eocene age.Key words: Petroleum geology; source rock; reservoir rock; migration; trap; seal.
Verlag: GRIN Verlag, 2014
ISBN 10: 3656713014ISBN 13: 9783656713012
Anbieter: AHA-BUCH GmbH, Einbeck, Deutschland
Buch
Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Technical Report from the year 2012 in the subject Geography / Earth Science - Geology, Mineralogy, Soil Science, grade: B, Robert Gordon University Aberdeen, course: MSc Oil and Gas Engineering, language: English, abstract: A new prospect is planned to be drilled by Kenmac Petroleum Corporation on a new licensed Molly field located in the North Sea on Block 14a/b. The tasks involved in well planning are as follows: (a) the estimation and evaluation of pore and fracture pressure and their impact on well planning, (b) a lithology study of the different formations and the steps taken to minimize the occurrence of drilling problems through all different formations, (c) a casing scheme design, (d) a mud programme design for the given well, and (e) a cement type suitable for the application in the given well.