Finger nut setting tool and liner hanger assembly

Patent · Tue Dec 24 04:00:00 EST 1991

OSTI ID:5665488

Allwin, R P

This patent describes a setting tool for setting a liner hanger in a well bore where the liner hanger is adapted for coupling to a liner and the setting tool is adapted for coupling to a string of pipe extending to the earth's surface. It comprises an elongated, tubular setting tool mandrel; nut means; a tubular clutch housing; and release means. This patent also describes a liner hanger for use in hanging a liner in a well bore and for permitting rotation of the liner after the liner hanger is set in a well casing. It comprises a tubular member; an internally annular locking recess; support means; and rotative connection means. This patent also describes a method of hanging and rotating a liner in a well casing during a completion operation. It comprises lowering a setting tool and a liner hanger into a well bore; hanging the liner hanger in the well casing; and manipulating the string of pipe to unlock the coupling nut means.

• Assignee: Lindsey Completion Systems, Inc., Houston, TX (United States)
• Patent Number(s): US 5074362; A
• Application Number: PPN: US 7-579653
• OSTI ID: 5665488
• Country of Publication: United States
• Language: English

Related Subjects

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47 OTHER INSTRUMENTATION
BOREHOLES
CAVITIES
COUPLINGS
EQUIPMENT
FOOD
FRUITS
LINERS
MOTION
NUTS
OIL WELLS
PIPES
ROTATION
SOILS
TOOLS
WELL LOGGING
WELL LOGGING EQUIPMENT
WELLS