Gradually-set and perforated fracturing pipe column and application method thereof
作者： Gan Zhenwei , Teng Wenjiang , Chen Chen , Wang Qiang , Liu Tao
DOI:
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摘要: The invention provides a gradually-set and perforated fracturing pipe column an application method thereof. comprises plurality of slide sleeves which are connected with oil in series, spraying sealing integrated tools, wherein each sleeve corresponding to one tool; the bottom end is top tools matched use. following steps: (1) assembling column; (2) putting into well enabling upper leaking channel grade correspond positions nozzle reservoir stratum section on (3) two times starting balls sequence aiming at from top; after fluke-shaped ball forming seat by first time, enter opening pressure conveying hole setting rubber barrel; second time so as realize large-displacement construction simultaneously pumping annular space.
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