Injection-production two-trip pipe string balanced well killing control method
作者： Yubao Sun , Haitao Liu , Tao Lin , Yongtao Sun , Jian Zou
DOI:
关键词: Production (economics) 、 Thermal 、 Control methods 、 Well intervention 、 Bottom hole pressure 、 Oil field 、 Flow (psychology) 、 Mathematics 、 Mechanics 、 C++ string handling
摘要: The invention provides an injection-production two-trip pipe string balanced well killing control method. method comprises the following steps of: (1) calculating productivity and formation pressure during flow period of a multiple thermal fluid huff-puff well; (2) determining time; (3) bottom hole killing; (4) density selecting fluid; (5) using quantity (6) way. According to provided by invention, can be timely converted from oil production mechanical production, energy in injection fully utilized; simultaneously, time effectiveness intervention operation minimized, pollution layer heat loss reduced greatest extent, high-speed high-efficient development offshore heavy field kept.
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