Multi-stage adjustable layered gas injection quantitative regulation and control method

• Main Authors: HAO TAO, JI GONGMING, LI YUE, LI YINGSONG, CAI HONGMENG, LIAO CHAOHUI, YANG SHUKUN, ZHAO GUANGYUAN
• Format: Patent
• Language: Chinese; English
• Published: 17.10.2023
• 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 gas injection development, and discloses a multi-stage adjustable layered gas injection quantitative regulation and control method capable of realizing accurate regulation and control of layered gas injection. The multi-stage adjustable layered gas injection quantitative regulation and control method comprises the following steps that S1, before a multi-stage adjustable injection allocator enters a well, the size of a multi-stage adjustable gas nozzle of the injection allocator is quantitatively calculated according to the injection allocation amount range and gas suction capacity data of each gas injection layer; s2, the customized air tap is machined according to the step S1; s3, the multi-stage adjustable layered gas injection allocation device is connected with a hydraulic pipeline, an interlayer packer and a wellhead through seal, assembled and put into a well, and a ground hydraulic controller is connected; s4, in the layered gas injection process, accordi