Device for releasably connecting well tools

Patent · Tue Jun 14 04:00:00 EDT 1988

OSTI ID:6720032

Gazda, I I

A connector device is described for releasably connecting well tools together, comprising: (a) tubular housing means having means at its lower end for attachment of a lower well tool and having a first internal annular intermediate its ends and spaced apart first and second downwardly facing shoulders above the internal annular recess; (b) prong means having means at its upper end for attachment of an upper well tool and having an external annular recess above its lower end; (c) latch means for latching the prong means in the housing means, the latch means; (d) spring means in the housing means surrounding the prong means and having its upper end supported against a washer engaged with the first downwardly facing shoulder and having its lower end engaged with the annular carrier means and applying a downward force thereto, the washer and the second downwardly facing shoulder in the housing means forming a second internal annular recess therebetween in the housing means above the spring means; and (e) control means on the prong means and in the housing means conengageable for limiting upward movement of the prong means in the housing means between lower, intermediate, and upper, releasing positions, permitting the prong means to be lifted to is upper, release position therein only after it has been lifted to its intermediate position a plurality of times, the control means including: (i) continuous zig-zag control slot means formed in the surface of the prong means, the control slot being formed with short and long legs, there being a plurality of short legs for each long leg, and (ii) a control ring mounted in the second annular recess in the housing means for free rotational movement.

• Assignee: Otis Engineering Corp., Dallas, TX
• Patent Number(s): US 4750560
• OSTI ID: 6720032
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
CONTROL EQUIPMENT
EQUIPMENT
FASTENERS
FIELD PRODUCTION EQUIPMENT
MACHINE PARTS
MATERIALS HANDLING
MATERIALS HANDLING EQUIPMENT
NATURAL GAS WELLS
OIL WELLS
RINGS
SPRINGS
TOOLS
WELLS