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U.S. Department of Energy
Office of Scientific and Technical Information

Drilling choke

Patent ·
OSTI ID:6296048
A drilling choke is disclosed for controlling flow of drilling fluids from a well comprising: a body having an inlet and outlet and an intermediate cavity therebetween; a seat member coaxially disposed in the body outlet; an operator assembly removably attached to the body; and a stem assembly connected to the operator assembly for axial movement thereof. A portion of the stem assembly is removable, upon removal of the operator assembly from the body, without otherwise disturbing the operator assembly.
Assignee:
EDB-85-009908
Patent Number(s):
US 4470430
OSTI ID:
6296048
Country of Publication:
United States
Language:
English