| 摘要 |
The invention relates to casings for the circulation of fluids, used at the bottom of oil wells, applicable in conventional systems for bottom completion in the oil industry. Specifically, it consists in the modification of the design of the casing in the form of the opening thereof, which is carried out by moving the sliding sleeve downwards, the aim of which is to solve the problem of the accidental closing of the casing as a jet pump enters same. |
