Thomas L Upton

US Patent:

42589266, Mar 31, 1981

Filed:

Jun 13, 1979

Appl. No.:

6/047971

Inventors:

Thomas E. Upton - Deer Park TX

Assignee:

Dresser Industries, Inc. - Dallas TX

International Classification:

F16J 1520

US Classification:

2771164

Abstract:

A well packer has a mandrel assembly with a tubular packing element supported thereon between upper and lower support members that are arranged to telescopically compress the packing element upon setting of the packer. The packer is constructed to retain the mandrel assembly in a telescopically retracted position compressing the packing element longitudinally until released. The tubular packing element has a quantity of loosely packed, heat resistant, compressible material of a substantially inorganic composition. Upon setting of the packer, the packing material is compressed to a tightly compacted configuration in order to establish a fluid tight seal between the mandrel assembly and the well bore. Because of the configuration of the tubular packing element, this packer is suited for operation in wells where substantially high temperatures are prevalent.