Deformable metal-to-metal seal

Patent · Tue Jul 22 04:00:00 EDT 1986

OSTI ID:5376705

Haugen, D M

A metallic threadable connection is described for use in a subterranean well tool comprising first and second threadably interengagable cylindrical members, one member defining a threaded pin portion and the other member defining a threaded box portion; a non-threaded, axially extending peripheral surface on each cylindrical member. The surface is respectively formed adjacent the threaded pin and box portions and disposed in opposed, radially spaced apart relationship when the pin and box portions are fully threadably engaged; opposed transverse surfaces respectively formed on each of the first and second cylindrical members movable axially toward each other during threaded engagement of the pin and box portions; the peripheral surfaces and the transverse surfaces defining an annular cavity having a quadrilateral cross-section when the cylindrical members are fully threadably engaged.

• Assignee: Baker Oil Tools, Inc., Orange, CA
• Patent Number(s): US 4601498
• OSTI ID: 5376705
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
CYLINDERS
DEFORMATION
DRILL PIPES
DRILLING EQUIPMENT
ELEMENTS
EQUIPMENT
JOINTS
METALS
NATURAL GAS WELLS
OIL WELLS
PIPES
SEALS
SPACE DEPENDENCE
SURFACES
THREADED JOINTS
WELLS