| 摘要 |
FIELD: oil and gas production. ^ SUBSTANCE: method involves landing of a profile shutter arranged between an upper seat and a calibrator with a setting tool in a space, extension of the shutter with using the calibrator and a flare bottom-up for tight and sealed pressing to well walls and removal of the setting tool from the well. Provided more than one isolation spaces, a number of similar shutters are mounted with their ends tightly overlapped above the upper seat and under the calibrator before descent, and distanced from each other and having a related length sufficient to provide installation oppositely to the appropriate isolation spaces. Before calibration, excess pressure sufficient for pre-spreading of the shutters to be fixed with respect to the well walls is generated inside of the profile shutters. ^ EFFECT: enhancement, higher quality and reliability of installation of the shutters, eliminated emergencies. ^ 3 cl, 2 dwg |
