Universal coupling mechanism for rotating guide drilling tools

• Main Author: DONG SHUPENG
• Format: Patent
• Language: English
• Published: 07.01.2015
• 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 invention relates to a universal coupling mechanism for rotating guide drilling tools. The universal coupling mechanism comprises a plurality of drill rods, cross sleeves and fastening blocks. Cylinders are arranged at the ends of the drill rods in a protruding way, and notches matched with the...