HOLE PROTECTION SYSTEM AND METHOD FOR COAL SEAM SLOTTING AND FRACTURING COMBINED DRAINAGE

Disclosed are a hole protection system and a method for coal seam slotting and fracturing combined drainage. The system includes a hydraulic slotting subsystem, a hydraulic fracturing subsystem and a flexible hole protection system. The hydraulic slotting subsystem includes an ultra-high pressure wa...

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Hauptverfasser:	Chongqing University, Hancheng Zaozhuang Industrial Co., Ltd
Format:	Patent
Sprache:	eng
Online-Zugang:	Volltext bestellen
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