Oil pumping unit with bags

• Main Authors: WANG CHANGMIN, HE GUANZHONG, ZHANG QINGPING, LIU ZHEYUE, HAN XIUTING
• Format: Patent
• Language: Chinese; English
• Published: 14.09.2018
• 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 belongs to the field of oil field oil production equipment and particularly relates to an oil pumping unit with bags. The oil pumping unit comprises a driving wheel, a driven wheel, a flat belt, a positioning anchorage and an oil pool. The positioning anchorage is mounted in an oil production well, and a guide wheel is arranged at the top of the positioning anchorage. The flat belt penetrates through from the lower side of the guide wheel and then is connected in an end-to-end mode to form a closed annular structure. The flat belt is wound on the driving wheel and the driven wheel, and the driving wheel provides power for operating of the flat belt. The driven wheel enables the flat belt to be aligned at a wellhead of the oil production well, the cloth bags with openings consistent in orientation are densely distributed on one side of the flat belt, and the orientation of the openings of the cloth bags is consistent with the length direction of the flat belt. The oil poolis located under the dri