Downhole tool inflatable packer assembly

Patent · Tue Jul 10 04:00:00 EDT 1984

OSTI ID:6525703

Brandell, J T

A downhole tool inflatable packer assembly includes an upper packer shoe having a bypass mandrel connected thereto. A packer mandrel adapter has an upper end connected to a lower end of the bypass mandrel. A mandrel cover tube extends downwardly from the packer mandrel adapter. A packer mandrel has an upper portion connected to the packer mandrel adapter. A flow connector and a lower packer adapter are connected in that order below the packer mandrel. A packer flow tube has an upper end received in the bypass mandrel and a lower end received in the flow connector. An inflatable bladder has an upper end connected to the upper packer shoe and a lower end connected to a floating packer shoe which slidably engages the mandrel cover tube. A central flow passage, a packer bypass passage, and an inflation passage are disposed in the packer assembly.

• Assignee: Halliburton Company
• Patent Number(s): US 4458752
• OSTI ID: 6525703
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
42 ENGINEERING
420206 -- Engineering-- Mining & Drilling Equipment & Facilities-- (1980-1989)
CAVITIES
CLOSURES
CONTROL EQUIPMENT
DESIGN
DRILL PIPES
DRILLING EQUIPMENT
DRILLING FLUIDS
EQUIPMENT
FLOW REGULATORS
FLUIDS
INFLATABLE SEALS
PIPES
PUMPS
SEALS
TUBES
VALVES
WELLS