徐深气田D区块火山岩气藏合理开发对策
Petroleum Geology & Oilfield Development in Daqing（2016）
Abstract
徐深气田D区块为含底水的火山岩气藏,部分边部气井产出地层水,影响气井产能和气田开发效果.针对D区块不同出水类型的气井,以“体考虑、分类治理”为原则,制定了适合该区块的合理开发对策.考虑压降单元、断层分割、储层连通,划分6个井区,在各井区实施“低排高控”整体开发对策,保持高部位气层的压力,减缓边、底水的锥进,对单井生产尽量做到“产气量、压力、产水量”三稳定,避免底水快速锥进.结果表明:D区块实施控水采气、合理配产后,延缓了边底水过快侵入气藏,延长了气井无水采气期.
MoreKey words
Xushen gasfield,volcanic gas reservoir,management,development strategy,reasonable/rational production allocation
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