Water stop device for hydrogeological drilling and water pumping

• Main Authors: YAN SHAOLI, LI XIAOZHEN, YIN TAICHUANG, HE SHIDA
• Format: Patent
• Language: Chinese; English
• Published: 02.09.2022
• 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 the field of water stops, in particular to a water stop for hydrogeological drilling and water pumping. The water stop device for hydrogeological drilling and water pumping comprises a water stop device telescopic pipe, the water stop device telescopic pipe comprises a f...