Well apparatus

Patent · Tue Aug 12 04:00:00 EDT 1986

OSTI ID:5310386

Akkerman, N H

For use in a well conduit having a seat therin and an internal groove thereabout, an apparatus is described comprising a running tool adapted to be raised and lowered within the well conduit, a well tool, means for connecting the well tool to the running tool to permit the well tool to be raised and lowered with the running tool locking means carried by the well tool for radial expansion and contraction with respect thereto. The well tool has a shoulder thereon engagable with the seat to dispose the locking means opposite the groove in the well conduit, means shiftable in one vertical direction, following engagement of the shoulder with the seat, for causing the locking means to be expanded into locking position within the grove. Also included are means operable upon further shifting of the shiftable means in the one vertical direction, following expansion of the locking means into locking position, for locking the siftable means against movement in the opposite direction in response to an axial force in the opposite vertical direction, and means automatically responsive to locking of the shiftable means for disconnecting the running tool from the well tool in order to permit retrieval of the running tool from the well conduit.

• Assignee: AVA International Corp., Houston, TX
• Patent Number(s): US 4605064
• OSTI ID: 5310386
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
CONTRACTION
DRILLING EQUIPMENT
EQUIPMENT
EXPANSION
FABRICATION
FASTENERS
FASTENING
HOISTING
HOISTS
JOINING
MATERIALS HANDLING
MATERIALS HANDLING EQUIPMENT
NATURAL GAS WELLS
OIL WELLS
POSITIONING
WELLS