Patent ID: 9708881
Date: 2017-07-18
CPC Classifications: E21B

Claim:
1. A tool for subterranean use, comprising: a packer body having a passage therethrough and a seal and at least one slip on the exterior of said body selectively engageable with a surrounding borehole wall; a support member disposed in said passage and axially extending the substantial length of and aligned with at least one of said seal and said slip to enhance differential pressure resistance of said body in at least one of burst and collapse pressure loading while leaving a flow path in said support member open when run in and when said seal or slip is radially extended to the surrounding borehole wall; said support member selectively removable from said passage by exposure to fluids in the borehole and after said seal and said at least one slip have radially extended to the borehole wall with said body remaining intact and said seal and slip engaged to the borehole wall for zone isolation for subsequent enlargement of said passage at said location.