A pattern of contractor selection for oil and gas industries in a safety approach using ANP-DEMATEL in a Grey environment

Sgraffito is an ancient decorative technique applied in walls, produced by using layers of cement plaster tinted in contrasting colours to a moistened surface. This decoration originated in Italy and has been expanded in different European cities or villages. Nowadays, this decoration technique has almost disappeared because of decomposition, inexperience, or lack of knowledge. The preservation and restoration of the sgraffito technique is the most challenging and vital task of cultural heritage buildings’ preservation. Consequently, the conservation of sgraffito depends not only on the historical and architectural knowledge, studies, and conservation projects of the cultural heritage buildings, but also demands the experience, proper qualification, and knowledge of the contractor. This paper presents six principal criteria. Three possible variants for contractor selection for sgraffito decoration of cultural heritage buildings are proposed, and six principal criteria for their evaluation are suggested. The research employs the Analytic Hierarchy Process (AHP), SWARA (Step-Wise Weights Assessment Ratio Analysis), and WASPAS-SVNS (Weight Aggregated Sum Product Assessment-Single- Valued Neutrosophic Set) methods.

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Contractor selection for renovation of cultural heritage buildings by PROMETHEE method

Archives of Civil and Mechanical Engineering ◽

10.1016/j.acme.2019.05.008 ◽

2019 ◽

Vol 19 (4) ◽

pp. 1056-1071 ◽

Cited By ~ 8

Author(s):

Zydrune Morkunaite ◽

Valentinas Podvezko ◽

Edmundas Kazimieras Zavadskas ◽

Romualdas Bausys

Keyword(s):

Cultural Heritage ◽

Contractor Selection ◽

Heritage Buildings ◽

Promethee Method ◽

Selection For

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Corrosion-Resistant Alloys for Tubings and Casings and Alloy Material Selection in Oil and Gas Wells

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.690-693.276 ◽

2013 ◽

Vol 690-693 ◽

pp. 276-279

Author(s):

Ling Feng Li

Keyword(s):

Oil And Gas ◽

Material Selection ◽

Influence Factors ◽

Gas Wells ◽

Corrosion Resistant ◽

Resistant Alloy ◽

Alloy Material ◽

Oil And Gas Wells ◽

Corrosion Resistant Alloy ◽

Selection For

This paper presents the technology background, the types and basic compositions of corrosion-resistant alloys for tubings and casings in oil and gas wells, modes of corrosion and influence factors for corrosion-resistant alloy, corrosion-resistant alloys material selection for tubings and casings in oil and gas wells. And the technology above has a good practicality for application .

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Design Aspects of Breakwaters for Cold Climate Oil and Gas Terminals

Volume 7A: Ocean Engineering ◽

10.1115/omae2017-61381 ◽

2017 ◽

Author(s):

Isabel Jimenez Puente ◽

Ove Tobias Gudmestad

Keyword(s):

Oil And Gas ◽

Barents Sea ◽

Cold Climate ◽

Wave Period ◽

Wave Parameter ◽

Special Importance ◽

Mean Wave Period ◽

The Mean ◽

Selection For

This paper focuses on design aspects regarding breakwaters for cold climate terminals, in particular, the different types of berm breakwaters, their stability, armour mobility criteria and armour size. A methodology is analyzed in order to determine the mean weight of the heaviest armour class as a function of wave parameters such as the significant wave height and the mean wave period, both for non-reshaping and reshaping stable berm breakwaters. The influence of the wave period on the stone mass required will be of special importance in the discussion. This methodology will enable us to determine the required median armour weight for a specific wave parameter, being easily able to compare the feasibility of different concepts or availability of the required stone size at the location. As a case study, the breakwater selection for the Melkøya terminal in the Norwegian Barents Sea, is assessed through a comparison of the necessary armour unit masses for the different berm breakwaters. The armour mobility criteria currently established is reviewed and a recommendation for an updated criterion for the statically stable non-reshaped berm breakwater category is proposed.

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Development Scenario and Riser Selection for West Africa’s Target Oil Field

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.430-432.1773 ◽

2012 ◽

Vol 430-432 ◽

pp. 1773-1776

Author(s):

Jun Peng Liu ◽

Xiao Lan Luo ◽

Meng Lan Duan ◽

Kai Tian ◽

Wei Feng

Keyword(s):

Oil And Gas ◽

Oil Industry ◽

Oil Field ◽

Basic Method ◽

The West ◽

Industry Development ◽

Target Field ◽

Selection For

Developing deepwater oil and gas resource is the trend of oil industry development. It is important to select a proper development scenario and riser system which works as a key tool to connect subsea equipment and surface body in a deepwater project. Based on the West Africa’s deepwater target field CNOOC owned, this paper designs a detailed development scenario-FPSO +SPS +Shuttle tanker according to the following factors: well, reservoir layout, environment, floaters availability, commercial considerations. Floater and riser selection interact with each other. Considering the development scenario, a basic method for selecting a proper riser system is presented. As a result, FSHR is selected from existing risers based on technology, reliability, risk and cost.

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Contractor’s Selection Criteria in Construction Works in Pakistan

Engineering, Technology & Applied Science Research ◽

10.48084/etasr.3334 ◽

2020 ◽

Vol 10 (2) ◽

pp. 5520-5523

Author(s):

N. U. I. Soomro ◽

A. H. Memon ◽

N. A. Memon ◽

K. R. Memon

Keyword(s):

Financial Stability ◽

Selection Criteria ◽

Successful Completion ◽

Contractor Selection ◽

Management Capability ◽

Equipment Availability ◽

Technical Capability ◽

Selection For ◽

Selection Of ◽

Construction Works

The contractor is the primary stakeholder in materializing a project concept. For the successful completion of any project, it is compulsory for the contractor to have relevant experience. The selection of the appropriate contractor depends on various criteria. This study aims to study these selection criteria. Based on 71 questionnaire forms received from representatives of contractor, consultant and client firms involved in execution works of construction activities it is found that quality, bid amount, technical capability, financial stability, and experience are five commonly adopted criteria for contractor selection in construction works in Pakistan. On the other hand, quality, technical capability, financial stability, equipment availability, and management capability are reported as the top five effective criteria for appropriate contractor selection for any construction project.

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