A Case Study in Oil-Gas Transportation through Subsea Pipeline in Liaohe Tanhai Oilfield

Abstract:

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The crude oil in Kuidong region of Liaohe Tanhai Oilfield is characterized by high oil viscosity, high density, high content of colloid asphalt, low content of wax and low freezing point. In the shallow region, the large current, high content of silt, long-distance subsea buried pipeline and drift ice in winter have brought great challenge to offshore construction and oil-gas transportation. In this paper, the investigations of offshore construction project and platform process are shown. Based on the well production rate, gas-oil ratio, water cut, wellhead back pressure and outlet temperature, the range of daily transportation volume was acquired, as well as the maximum inlet pressure and pressure difference of the pump. The paper also selected technically and economically feasible pumps, then designed the public projects, corresponding electric power and self-control facilities. The selected skidded twin screw multiphase pump system can smoothly transport produced liquid to the terminal systems onshore without any effect on the daily output.

Info:

Periodical:

Advanced Materials Research (Volumes 317-319)

Edited by:

Xin Chen

Pages:

2239-2243

DOI:

10.4028/www.scientific.net/AMR.317-319.2239

Citation:

Y. Liu et al., "A Case Study in Oil-Gas Transportation through Subsea Pipeline in Liaohe Tanhai Oilfield", Advanced Materials Research, Vols. 317-319, pp. 2239-2243, 2011

Online since:

August 2011

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Price:

$35.00

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