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| 盐穴储气库表征渗透率研究 |
| Research on the Characterization Permeability of Salt Cavern Gas Storage |
| 投稿时间：2019-09-01 修订日期：2019-09-01 |
| DOI： |
| 中文关键词: 表征渗透率 盐穴储气库 腔体静溶 注水升压 |
| 英文关键词: characterizationpermeability salt cavern gas storage static solution water pressure test |
| 基金项目:中国石油天然气集团公司重大专项“地下储气库关键技术研究与应用”(编号2015E-40) |
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| 中文摘要: |
| 盐穴储气库近几年来受到越来越多的关注,其渗透性是注采运行的关键参数,建库层段存在夹层或微裂缝时,盐层的渗透性会受到很大影响。以整个盐腔为研究对象,通过对盐腔进行注水升压试验,记录升压后的压力变化数据,采用达西公式建立考虑腔体静溶的渗透率计算模型,选取3口盐穴储气库造腔井进行水试压试验,计算出试验井的渗透率为0.007mD-0.05mD,结合相关试验数据,验证了计算模型的准确性。计算模型需要的试验数据获取方法简单,计算结果对盐穴储气库的造腔层段存在微裂缝以及夹层时的渗透性可进行初步判断。 |
| 英文摘要: |
| Salt cavern UGS is getting more and more attention recent years, its permeability is an important factor for the operation of salt cavern gas storage, the existence of interlayer or micro-fracture can bring an increase of the permeability of salt cavern. Take the salt cavern as a whole unit, carry press test to the salt cavern and make a record on the pressure data after built-up, a model for salt cavern permeability considering the static solution is established based on Darcy law, three salt caverns are selected to experiment with calculated permeability range from 0.007mD-0.05mD, accuracy of model of the model is verified combined with other experiment data. The data which is needed for the model is easy to get, and the calculating results of the model is useful in estimating the permeability of the salt cavern when there is interlayer or micro-fracture in the leaching section. |
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