Tool for running structures in a well

Patent · Tue Nov 14 04:00:00 EST 1989

OSTI ID:7229989

Ahlstone, A G

This patent describes a running tool for running a tubing hanger and packoff assembly into a subsea wellhead housing and setting the packoff assembly between the tubing hanger and wellhead housing. It comprises: an upper member having an upper generally tubular cylindrical body with a reduced diameter portion at its lower end, and a downwardly extending surrounding sleeve disposed on the body around the reduced diameter portion and extending beyond the lower end of the body, there being an annular space between the reduced diameter portion and the surrounding sleeve; A lower member having a lower generally tubular cylindrical body with an upper end portion telescopingly received in the annular space and a lower body portion; packoff setting means; packoff latching means; a tubular member; and hydraulic system means.

• Assignee: Cameron Iron Works USA, Inc., Houston, TX
• Patent Number(s): A; US 4880061
• Application Number: PPN: US 7-108377A
• OSTI ID: 7229989
• 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
DRILL PIPES
DRILLING EQUIPMENT
EQUIPMENT
MATERIALS HANDLING
MATERIALS HANDLING EQUIPMENT
NATURAL GAS WELLS
OIL WELLS
PACKINGS
PIPES
WELL COMPLETION
WELLHEADS
WELLS