Well tubing handling apparatus

Patent · Tue Mar 17 04:00:00 EST 1987

OSTI ID:6892279

Asan-Dzhalalov, A G; Klimovich, E I; Shaginian, A S; Pevnev, A A; Androsenko, A P; Palkin, L N

This patent describes a frame for lifting well rods on an apparatus for handling elongated well elements, comprising: a cross-piece having a downwardly open groove and an opening provided on the axis of symmetry of the groove, a pair of oppositely-acting, spring-loaded clamp jaws pivotably received in the groove of the cross-piece, a hollow plunger rigidly secured in the opening of the cross-piece, extending upwardly of the same cross-piece, and having a collar portion acting as a piston provided on the upwardly extending portion, a split sleeve axially movable on the plunger and having a portion of an inner diameter corresponding to the outer diameter of the collar portion of the plunger defining a space to be filled with a pressure fluid, whereby the sleeve assembled with the plunger forms a power cylinder, link members for providing a kinematic connection of the sleeve with the clamp jaws, each of the link members being pivoted to the sleeve with one of its ends and to a respective one of the clamp jaws with the other, a centering guide for the upper end of a well rod rigidly connected to the cross-piece and arranged above the pair of clamp jaws.

• Assignee: Spetsialnoe Konstruktorskoe Bjuro Seismicheskoi Techniki, Gormel
• Patent Number(s): US 4650235
• OSTI ID: 6892279
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
AXIAL SYMMETRY
CYLINDERS
DRILL PIPES
DRILLING EQUIPMENT
EQUIPMENT
FASTENERS
FLUIDS
HOISTING
HOISTS
HYDRAULIC FLUIDS
MATERIALS HANDLING
MATERIALS HANDLING EQUIPMENT
NATURAL GAS WELLS
OIL WELLS
PIPES
PISTONS
POSITIONING
RODS
SYMMETRY
WELLS
WORKING FLUIDS