Collaboration between Oil Development and Water/Power Consumption in High-Water-Cut Oilfields

Deli Jia, Jiqun Zhang, Yufei Sun, Suling Wang, Sheng Gao, Meixia Qiao (), Yanchun Li and Ruyi Qu
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Deli Jia: PetroChina Research Institute of Petroleum Exploration and Development, Beijing 100083, China
Jiqun Zhang: PetroChina Research Institute of Petroleum Exploration and Development, Beijing 100083, China
Yufei Sun: The Fourth Oil Extraction Plant of Daqing Oilfield Company Limited, Daqing 163318, China
Suling Wang: School of Mechanical Science and Engineering, Northeast Petroleum University, Daqing 163318, China
Sheng Gao: School of Mechanical Science and Engineering, Northeast Petroleum University, Daqing 163318, China
Meixia Qiao: School of Mechanical Science and Engineering, Northeast Petroleum University, Daqing 163318, China
Yanchun Li: School of Mechanical Science and Engineering, Northeast Petroleum University, Daqing 163318, China
Ruyi Qu: School of Mechanical Science and Engineering, Northeast Petroleum University, Daqing 163318, China

Sustainability, 2023, vol. 15, issue 14, 1-24

Abstract: Waterflooding is the main development technique used in the vast majority of oilfields in the world. However, as the waterflood oilfields enter the stages with (ultra-)high water cut, the water/power consumption per ton of oil remains unabatedly high. This paper presents a systematic analysis of the development stages and strategies of some typical waterflood oilfields in the world and proposes the necessity to establish a mode and technical system of collaboration between oil development and water/power consumption in mature oilfields with (ultra-)high water cut. Then, taking a pilot test area of an ultra-high-water-cut oilfield in northeastern China as an example, this paper investigates its development mode and water/power consumption; optimizes the technical strategies from the aspects of fine reservoir analysis, artificial lift system and surface gathering system; and predicts the application results. It is found that the optimizations of fine reservoir analysis and development plans effectively reduce the water consumption per ton of oil and have a certain but not remarkable contribution to the power consumption per ton of oil. Moreover, the optimizations of the artificial lift system and surface gathering system significantly reduce the power consumption per ton of oil. Under conditions of low production and low efficiency, the optimization of the artificial lift system greatly improves the energy-saving effect, which will be a focus of future research. Finally, this paper recommends measures for collaboration between oil development and water/power consumption in high-water-cut oilfields.

Keywords: oil; waterflooding; reservoir analysis; separate-layer injection; artificial lift; water/power consumption; collaboration (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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