Key Technologies and Equipment for the Fracturing Operation System of a 25 000 hp All-electric Fracturing Ship

doi:10.11885/j.issn.1674-5086.2025.09.16.03

Abstract

Abstract: The exploitation of marine low-permeability oil and gas resources has driven the development of advanced fracturing technologies, among which all-electric fracturing ships have emerged as a highly integrated solution. These ships offer signi-ficant advantages, including enhanced operational efficiency, reduced environmental impact, lower noise levels, and precise control, making them a pivotal direction for future large-scale marine volumetric fracturing operations. This study focuses on the transition of fracturing vessels from a mounted to an integrated design, conducting research on the key technologies and equipment essential for the fracturing operation system of a 25 000 hp all-electric fracturing ship. By analyzing the overall structural design of the vessel, 15 specialized subsystems for marine fracturing operations were systematically established. A three-tiered layout structure was further developed to optimize functional integration and spatial efficiency. The research emphasizes eight critical technological areas: fracturing power supply and distribution, fracturing pump injection, sand supply and mixing, mixing and proportioning, high-pressure manifold systems, hose reel mechanisms, acid mixing systems, and centralized control centers. Building on these advancements, a series of marine fracturing equipment was successfully developed, rigorously tested, and certified by the China Classification Society (CCS). A fracturing operation system has been developed that is suitable for various sea conditions, has the ability to operate continuously, and can achieve the automation of the entire fracturing process. This achievement not only lays a solid foundation for the development of integrated fracturing ships but also provides robust technical support for the efficient, environmentally sustainable, and safe exploitation of marine low-permeability oil and gas resources.

Key words: 25 000 hp all-electric, marine fracturing, integrated fracturing ship, electric fracturing equipment, fracturing operation system

CLC Number:

TE952

WANG Yunhai, HUANG Zhongwei, LEI Gang, LI Lili, WANG Xin'gen. Key Technologies and Equipment for the Fracturing Operation System of a 25 000 hp All-electric Fracturing Ship[J]. Journal of Southwest Petroleum University(Science & Technology Edition), 2026, 48(1): 166-174.

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