摘要:
A system and method is provided for improving the life and/or function of downhole tools that operate in adverse subterranean environments. Polymeric components, such as seals, are formed with nano-scale filler material. The nano-scale filler material is dispersed in the polymeric material to substantially improve desired material properties.
摘要:
A subsurface annular safety barrier for controlling fluid flow in the tubing-casing annulus in an annular flow well. The barrier may be positioned proximate the top of a formation to block fluid flow through the annulus upon loss of casing integrity. An embodiment of the annular safety barrier includes a packer and a valve, wherein the valve is operated to a closed position without mechanical manipulation of the tubing.