| 摘要 |
FIELD: gas and oil production. ^ SUBSTANCE: packer cable system includes one or more packers lowered into production or injection well (with sealed or unsealed production string) above a bed and/or between beds on a pipe string with one or more bottomhole cable devices. The system can feature bypass system in the form of setting support with or without transverse bypass ducts, and bypass unit. Packer cable system is equipped with at least one articulated unit. External lengthwise slot along the full length of wellbore is made in the form of dovetail. At the area under sealing cups, the slot is rectangular, with safety bracket out of hard or soft material mounted and fixated over it. External lengthwise slot over the full external surface of cable at wellbore section under sealing cups is filled with elastic sealing material. Solid or cut rubber, fluoroplastic or other elastic materials are used as sealing material. ^ EFFECT: enhanced reliability both in installation and in operation of packer cable system in production and injection wells. ^ 4 cl, 13 dwg |
