| Underground gas storage is an important method for natural gas storage and peak regulation,there are mainly four types: depletion reservoir,aquifer,salt cavern and abandoned mine storage.Because of the depletion reservoir gas storage has the advantage of mature technical and low investment,the paper study the related supporting technical of depleted reservoir conversion to gas storage,take surface engineering as the main research aspect.It is also analysis the effecting factor during underground ground storage construction,build the gas injection,withdrawal and auxiliary supporting technical,as well as takes the research of gas compressor,faculty of gather pipeline selection,performance computation and optimal allocation.The paper takes Wen23 depleted converse gas reservoir conversion to gas storage as an example,according to surface supporting technical,injection equipment selection,gathering pipeline option,construction performance economic benefit.Based on Wen23 gas storage proposes the viewpoint of wellhead methanol injection to hydrate prevention technology,expansion refrigeration and refrigeration hydrocarbon processing technology,put forward the adoption of electrical-drive reciprocal compressor and injection corollary equipment.This paper apply for Wen23 gas storage,as the reference data is from it,part of data in the paper also through in-situ application,so it played a positive role in engineering construction smoothly. |
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