A drilling tool device for deep well dry process pore -forming

• Main Authors: XIA WENCHAO, LIU JUNYONG, YANG HAIPENG, XU YUCHUAN, YANG YUNAN, WANG HOUXING, SUN YUNQING
• Format: Patent
• Language: Chinese; English
• Published: 21.12.2016
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

The utility model relates to a drilling tool device for deep well dry process pore -forming is by drill bit, drill collar, ordinary drilling rod with take sediment barrel drill pole and constitute. It is the drill bit bottom, connects ordinary drilling rod through the drill collar, takes sediment barrel drill pole and connects the unit head and link to each other with ground air compressor machine, rig through ordinary drilling rod. Wherein, taking sediment barrel drill pole and taking a sediment section of thick bamboo by the welding of the outside suit of the ordinary drilling rod of single section and make, it be seamless steel pipe to take a sediment section of thick bamboo, the upper end opening, the lower extreme bottom is sealed, the upper end for the opening part support rib plate will take a sediment section of thick bamboo and ordinary drilling rod fastening connection. The utilization is taken the cyclic annular space of a sediment section of thick bamboo between with drilling rod and pore wall and