A new adjustable way was developed first time which use cluster well to decrease drilling cost and increase benefit in deep imbedded, low permeability, high pressure reservoir.
首次提出在深层高压低渗油藏采用分支井技术降低钻井成本、提高开发效益的调整手段。
Reservoir rocks are characterized with low porosity and permeability, due to weak karstification and deep burial.
低孔、低渗是该储层的特点，原因是岩溶作用强度不够和埋藏较深。
The main characteristics of Gunan 131 fault block oil reservoir in Gudao oilfield are deep burial, low permeability, difficult water injection, low recovery percent and low recovery efficiency.
孤岛油田孤南131断块油藏的主要特征是埋藏深、渗透率低、注水困难、采出程度低、采收率低。
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