Workflow for Probabilistic Resource Estimation: Jafurah Basin Case Study (Saudi Arabia)

This study provides a workflow and preliminary estimations of the estimated ultimate recovery (EUR) volumes for natural gas and condensate liquids in the Tuwaiq Mountain Formation, the principal target in the Jafurah Field development project in Saudi Arabia. The strategic need for the field development is reviewed and the field characteristics are outlined based on public data sources complemented with data from analogous reservoirs. The target zone in the Jafurah Basin is a carbonaceous shale, being developed with up to 10,000-ft-long multistage-fractured laterals with 30 ft perforation cluster spacing and an assumed typical 1250 ft well spacing. The field will come on stream in 2024, when the gas-gathering pipeline system, natural gas processing plant, and underground gas storage facilities will all be in place. The range of uncertainties in the key reservoir parameters is taken into account to estimate preliminary EUR volumes (P90, P50, and P10) for both gas and condensates. Based on the present and prior EUR estimations, it can be concluded that the Jafurah Basin comprises one of the largest unconventional field development projects outside of North America.

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Application of Mechanical and Electrical Equipment in a Natural Gas Processing Plant

Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations ◽

10.1115/87-gt-182 ◽

1987 ◽

Author(s):

R. P. Lang ◽

B. B. McCullough

Keyword(s):

Control System ◽

Natural Gas ◽

Heat Recovery ◽

Electrical Equipment ◽

Pipeline System ◽

Processing Plant ◽

Steam Generators ◽

Power Generator ◽

Gas Processing ◽

Turbo Expander

In 1984 the Northwest Pipeline Corporation purchased and installed equipment for their Ignacio, Colorado, gas processing plant to extract ethane and heavier hydrocarbons from the gas arriving at their pipeline system from various natural gas producing sources. In addition to the basic turbo-expander required to achieve the very low gas temperatures in the process, the equipment includes gas turbine driven compressors, heat recovery steam generators, and a steam turbine driven electric power generator. This paper reviews the process itself, the various mechanical and electrical equipment involved, and some of the control system utilized to tie it all together.

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Effect of Amine Structure on the Corrosivity of a Carbon Steel Natural Gas Processing Plant

10.2118/203626-ms ◽

2020 ◽

Author(s):

Jessica Narku-Tetteh ◽

Pailin M Muchan ◽

Teeradet Supap ◽

Raphael Idem

Keyword(s):

Carbon Steel ◽

Natural Gas ◽

Processing Plant ◽

Gas Processing ◽

Natural Gas Processing ◽

Amine Structure

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Installation Engineering Challenges of the World's Heaviest Topside on Steel Substructure

10.2118/208078-ms ◽

2021 ◽

Author(s):

Prasad Kunnathully Prabhakaran ◽

Cibu Varghese ◽

Faris Ragheb Kamal

Keyword(s):

Weight Control ◽

Oil And Gas ◽

Load Transfer ◽

Development Project ◽

Design Stage ◽

Gas Treatment ◽

Field Development ◽

Gas Processing ◽

Transfer Method ◽

Load Transfer Method

Abstract As part of a green field development project for ADNOC offshore, NPCC here in after called as "contractor", successfully completed installation of an oil and gas processing super complex at offshore Abu Dhabi. This super complex consisted of four large interconnected platforms of different functionalities and an accommodation platform. Associated flare structures and interconnecting bridges were also installed as part of this project. Weights of the topsides in this project were varying from 7,000MT to a ∼32,000 MT. All these topsides were installed by float-over method using contractors own cargo /launch barge fleet. Gas treatment platform topside installed as part of the above project is the world's heaviest single-module topside Installed by float-over on a fixed steel jacket. Float-over is the process of installing the topside on a preinstalled jacket by ballasting and/or by other methods of load transfer such as hydraulic jacks. This installation method is widely used for heavy topsides, due to its cost effectiveness and efficiency. By float over installation method, the topside can be installed as a single integrated unit after completion of all hookup and commissioning works onshore. This paper outlines installation engineering challenges during EPC phase for the gas treatment platform topside. Design of this topside went through phenomenal changes in terms of its size and weight during EPC phase and posed several challenges to install this unit as a single module. This paper presents the installation method, and various parameters considered during installation and also includes discussion on selection of float-over barge, importance of weight control & layout design, finalization of topside support height on barge and installation aids. This paper also presents various installation engineering analyses required during design stage. Float-over installation of the gas treatment platform was carried out by the conventional load transfer method (by ballasting) and using normal spread mooring arrangement.

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