Well drilling trip -out drilling rod inner wall mud scrapping device

• Main Authors: LIU CHANGDONG, FENG LIANG, WANG YUCHUN, QI ZHIMIN, ZHANG SIHUI, CUI DAIYONG
• Format: Patent
• Language: Chinese; English
• Published: 01.06.2016
• 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 discloses a well drilling trip -out drilling rod inner wall mud scrapping device, a well drilling trip -out drilling rod inner wall mud scrapping device, its characterized in that includes a suspension section of thick bamboo, scrapes mud piece, support column and buffer beam, a suspension section of thick bamboo be the hollow tube, and suspension section of thick bamboo upper end is equipped with the upper seal plug, and the axle center position is equipped with opening screw outwards on the upper seal plug, and the support column be three to ten, and the support column lower extreme is connected with the little screw rod of diameter ratio support column external diameter, and the support column upper end is equipped with the screw hole, and each support column passes through screw rod and screw hole end -to -end connection, respectively scrape the screw rod that mud piece passed through each support column of jogged joint respectively on, the distribution that misplaces of the adjacent scr