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Methods of Optimizing Well Spacing for Shale Gas Development
Methods of Optimizing Well Spacing for Shale Gas Development
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机译:页岩气开发井距优化方法
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摘要
This disclosure provides a method of optimizing well spacing for shale gas development. It belongs to the technical field of hydrocarbon reservoir exploration and development. The method comprises: firstly verifying block area based on the explored geological structure; analyzing the connection situation of a shale reservoir, identifying the minimum developing area units; calculating the recoverable reserves of the units, confirming the candidate units; drilling representative shale cores and analyzing related physical properties; calculating seepage field and pressure field using unified multi-field, multi-flow-regime, and multi-scale mathematical models; calculating the effective recoverable area of each well; and arranging wells based on the rule that the interference among wells is not larger than 10%. Considering the fluid-solid coupling effects, this method can define appropriately well spacing for shale gas exploration and enhance effectively the output of shale gas.
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