Super seal valve with mechanically retained seal

Patent · Tue Nov 25 00:00:00 EST 1986

OSTI ID:7053075

Baldridge, M G; Sullaway, B L

This patent describes an improved valve assembly used in a well cementing tool in a well cementing operation or the like, the valve assembly comprising: an annular valve body housing retained within the cementing tool or the like, the annular valve body housing comprising: a valve seat portion having a bore therethrough; and a valve spring retainer portion secured to the valve seat portion and having a bore therethrough, the valve spring retainer portion comprising: an annular outer cylindrical member having a valve body guide retained therein by means of a plurality of supports extending from the outer cylindrical member to the valve body guide; and a valve body retained within the valve body housing, the valve body including; a valve body head adapted to engage a portion of the interior of the valve body housing, the valve body head comprising: a cylindrical member having a spherical end, frusto-conical outer surface and end surface having, in turn, a blind threaded bore therein; a valve body stem having one end secured to the valve body head, the valve body stem comprising: an elongated cylindrical member having a first threaded surface which releasably threadedly engages the blind threaded bore in the end surface of the valve body head, a first cylindrical surface, a second threaded surface which is slidably received and retained within the valve spring retainer portion of the annular valve body housing; and an elastomeric valve seal retained on the valve body stem in constant, uninterrupted, abutting relationship with the valve body head and adapted to sealingly engage a portion of the interior of the valve body housing, the eleastomeric valve seal comprising.

• Assignee: Halliburton Co., Duncan, OK
• Patent Number(s): US 4624316
• OSTI ID: 7053075
• Resource Relation: Patent File Date: Filed date 28 Sep 1984
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
03 NATURAL GAS
NATURAL GAS WELLS
CEMENTING
OIL WELLS
CYLINDERS
ELASTOMERS
FASTENERS
SEALS
SUPPORTS
THREADED JOINTS
VALVES
CONTROL EQUIPMENT
EQUIPMENT
FLOW REGULATORS
JOINTS
MECHANICAL STRUCTURES
POLYMERS
WELLS
020300* - Petroleum- Drilling & Production
030300 - Natural Gas- Drilling
Production
& Processing