CPC E21B 33/127 (2013.01) [E21B 33/12 (2013.01); E21B 33/1208 (2013.01)] | 20 Claims |
1. A system, comprising:
a shaft having a longitudinal length along a longitudinal axis extending in a borehole having an inner surface;
a packer surrounding the shaft at a predetermined position along the longitudinal length;
a protective member surrounding the shaft and vertically positioned above or below the packer;
a movement mechanism configured to move the protective member to the predetermined position in order to surround the packer, thereby protecting the packer; and
an expansion mechanism configured to expand the protected packer and the protective member to position the protective member in contact with the inner surface of the borehole.
|