Packer assembly

Patent · Tue Mar 10 04:00:00 EST 1987

OSTI ID:6670890

Sanford, L; Stokley, C O; Turner, E C

A downhole packer assembly is described including a first packer tool, defining a central longitudinal flowway and comprising: a flexible tubular packer body disposed generally coaxial to the central flowway and radially extendable and retractable for contact with and release from a well bore wall; means defining a packer set chamber in pressure communicating relation with the packer body whereby the packer body may be radially extended by fluid pressure in the packer set chamber; a generally annular foundation coaxially connected to the upper end of the packer body; means defining a bypass flow system for permitting flow of fluid from the packer set chamber to the central flowway and from the central flowway radially outwardly through the packer foundation to the exterior of the assembly; and control means adjacent the packer foundation and movable with respect to the packer foundation between a first position, for opening the bypass system, and a second position, for closing the bypass system.

• Assignee: Tam International, Inc., Houston, TX
• Patent Number(s): US 4648448
• OSTI ID: 6670890
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
DESIGN
FLEXIBILITY
FLUID FLOW
FLUID MECHANICS
MECHANICAL PROPERTIES
MECHANICS
NATURAL GAS WELLS
OIL WELLS
PACKINGS
PRESSURE EFFECTS
TENSILE PROPERTIES
TUBES
WELLS