Novel concentric separate injection flow adjusting mechanism

• Main Authors: TIAN GENG, CAI KAIHUA, ZHANG YONGLI, LYU YINGZHU
• Format: Patent
• Language: Chinese; English
• Published: 18.01.2022
• 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 technical field of oilfield water injection and polymer injection, in particular to a novel concentric separate injection flow adjusting mechanism. The adjusting mechanism is used for underground layered water injection and polymer injection and comprises a first adjusting part and a second adjusting part. The first adjusting part comprises a positioning body and a transmission body arranged in the positioning body. One end of the first adjusting part is connected with one end of the second adjusting part; the second adjusting part comprises a base body and an adjusting rod, one end of the positioning body is connected with one end of the base body, the end, connected with the positioning body, of the base body is far away from the positioning body and is provided with a containing cavity in the length direction of the base body, the adjusting rod is arranged in the containing cavity, and one end of the adjusting rod is connected with the end, close to the base body, of the tr