Wireline downhole annulus valve

Patent · Tue Feb 28 04:00:00 EST 1989

OSTI ID:6161656

Wilkins, R L

A tubing hanger is described, comprising: an annular hanger body having a tubular wall with a central bore and a counterbore below the bore, a sleeve positioned within the bore and having an external annular projection positioned within the counterbore and a rack secured on the exterior of the annular projection, means on the interior of the sleeve to receive a tool for the shifting of the sleeve axially in the bore, a passageway extending vertically through the wall of the hanger body with a chamber interrupting the passageway, a valve ball having a bore therethrough, positioned within the chamber and mounted for rotation in the chamber to align the valve ball bore with the passageway to allow flow through the valve ball bore in one position and to close the passageway in its second position, gear means being in engagement with the rack whereby when the sleeve with the rack thereon is moved axially within the bore and counterbore the valve ball is rotated between its positions to control flow through the passageway.

• Assignee: Cameron Iron Works USA, Inc., Houston, TX
• Patent Number(s): US 4807700
• OSTI ID: 6161656
• 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
DESIGN
DRILL PIPES
DRILLING EQUIPMENT
EQUIPMENT
FIELD PRODUCTION EQUIPMENT
FLOW REGULATORS
FLUID FLOW
GEARS
MACHINE PARTS
MECHANICAL STRUCTURES
NATURAL GAS WELLS
OIL WELLS
PIPES
SLEEVES
SUPPORTS
TUBES
VALVES
WELLS