Oil well pumping system

Patent · Tue Feb 23 04:00:00 EST 1988

OSTI ID:5174333

Weeks, B R

A well equipped to produce oil from a subterranean formation is described including a casing string cemented in a well bore penetrating the earth to a depth below the formation and having a multiplicity of perforations therein providing communication between the formation and the casing string, a packer sealed against the interior of the casing string above the formation, a tubing string inside the casing string extending upwardly to the surface and connected to the packer, a jet pump in the tubing string adjacent the packer and a tail pipe assembly in communication adjacent the packer and a tail pipe assembly in communication with the tubing string providing a suction inlet to the jet pump, the tail pipe assembly extending below the packer and below the perforations and comprising first and second tail pipe sections having openings therein adjacent the lower ends thereof, the first and second tail pipe sections extending to different depths in the well adjacent the formation.

• Assignee: Petro-Lift Development Corp., Corpus Christi, TX
• Patent Number(s): US 4726420
• OSTI ID: 5174333
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
COUPLINGS
DESIGN
ENERGY SOURCES
EQUIPMENT
FIELD PRODUCTION EQUIPMENT
FLUID MECHANICS
FLUIDS
FOSSIL FUELS
FUELS
HYDRAULICS
JETS
JOINTS
MECHANICS
OIL WELLS
OPERATION
PETROLEUM
PUMPING
PUMPS
RESERVOIR FLUIDS
THREADED JOINTS
WELL RECOVERY EQUIPMENT
WELLS