Patent ID: 11946349
Assignee: PETROCHINA COMPANY LIMITED
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 1:
2. The downhole throttling device based on wireless control according to claim 1, wherein the throttling assembly (2) comprises an upper adapter sleeve (201), a middle adapter sleeve (202), a static valve (203), and a moving valve (204), wherein the upper adapter sleeve (201) is respectively connected to the inlet nozzle (1) and the middle adapter sleeve (202), the middle adapter sleeve (202) is respectively connected to the electrical sealing cylinder (3) and the gas guide cylinder (4), the static valve (203) is arranged in the upper adapter sleeve (201), the moving valve (204) is arranged in the upper adapter sleeve (201) and the middle adapter sleeve (202), and the moving valve (204) is connected to the middle adapter sleeve (202) via a bearing.