Organization
Research Institute of Petroleum Engineering, SINOPEC, Beijing 100101, China
Abstract
In order to meet the high efficiency, low cost development for shale gas, low permeability oil and gas, coal-bed methane, and other unconventional resources, more and more domestic and foreign institutions are carrying out full-bore and unlimited multistage fracturing technology research for horizontal wells, which have formed a complete set of tools and supporting onsite construction technology. This paper describes the emerging domestic and international full-bore principle of staged fracturing technology, the key tool composition and structural characteristics, and field application for horizontal well in unconventional reservoirs. Considering the domestic unconventional reservoir development needs, focus on the next step research of key technologies was analyzed. From innovative tool design, development of new engineering materials, and improving other aspects of performance testing tools, it is very urgent to make full-bore and unlimited multistage fracturing tools by ourselves, which will provide technical support for efficient oil field development and capacity building.
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