it is also discussed to the flow theory of the well-to-well tracer in detail and the flow character in the five-spot well system in the thesis;
同时本文也详细地论述了井间示蹤剂流动机理和在五点井网中的流动特征;
four branches should be taken for the radial multilateral horizontal in five-spot well pattern. at the same time, branch length should be long based on the drilling technology and drilling security.