Downhole tool inflatable packer assembly

Patent · Tue Jul 10 00:00:00 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
• Resource Relation: Patent File Date: Filed date 26 Aug 1982; Other Information: PAT-APPL-411799
• Country of Publication: United States
• Language: English

Related Subjects

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