soquete tipo bombeio de haste especial para bomba de para parafuso

• Main Authors: ZHANG, JUGUO, XIN, MINCHANG
• Format: Patent
• Language: Portuguese
• Published: 08.11.2016
• 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

A sucker rod, including: a rod; a threaded casing disposed outside the rod; a wedge-shaped groove disposed at one end of the rod; an outer connecting screw thread close to the wedge-shaped groove and disposed outside the rod; a wedge-shaped bulge disposed at the other end of the rod; a positioning n...