A method for quickly constructing horizontal and super large salt cavern solution cavity storage

A super-large salt, flat-horizontal technology, applied in the direction of earth drilling, mining equipment, underground chambers, etc., can solve the problem of small cavity size, slow speed, well construction of inclined wells and the inability to fully utilize the cavity in the horizontal section, etc. problems, to achieve the effect of improving the recovery rate of rock salt and saving resources
CN110593917BActive Publication Date: 2022-02-08江苏省制盐工业研究所有限公司 +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
江苏省制盐工业研究所有限公司
Publication Date
2022-02-08

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Abstract

The invention relates to a method for quickly building a horizontal and super large salt cavern dissolution cavity storage, specifically through multi-well connection, utilization of multi-salt cavern dissolution cavity combination in series, multi-well combination large-flow water injection, multi-well group The combination of injection and drainage controls the shape of the cavity to realize the rapid construction of super large salt cavern solution cavity storage. The invention can realize large-flow injection and drainage, rapid cavity expansion, and achieve the purpose of artificially controlling the cavity upthrust and cavity development shape by adjusting different injection and drainage combinations of the well group, and realizing the rapid construction of super large salt cavern solution in layered rock salt. Cavity storage has the characteristics of short cavity construction period, large dissolved cavity volume, human intervention in the cavity development process, and high rock salt recovery rate.
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Description

technical field

[0001] The invention is a method for rapidly constructing a horizontal and super large salt cavern dissolution cavity storage, which belongs to the technical category of water-soluble mining of salt deposits, is suitable for underground salt deposit mining and salt cavern dissolution cavity construction, and is a kind of salt cavern dissolution cavity High-efficiency, large-volume, low-cost technical method for cavity construction. Background technique

[0002] In recent years, in order to solve the problem of oil and gas transportation in my country, many long-distance oil and gas pipelines have been built in China, but the supporting storage and adjustment of energy storage is relatively lagging behind. my country's energy reserves are far lower than those of developed countries, which seriously threatens the national energy strategic security. Some developed countries (the United States, Germany, Canada, France, etc.) use salt caverns to store oil and gas...

Claims

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