Drilling choke

Details Drilling choke Drilling choke

1981-05-26

1984-09-11

Walton, George L.

Fluid handling

With repair, tapping, assembly, or disassembly means

Assembling, disassembling, or removing cartridge type valve

137556, 166 91, 166 97, 166320, 175 38, 175218, 251214, 251291, 251360, F16K 4300

Patent

active

044704305

ABSTRACT:
A drilling choke 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.

REFERENCES:
patent: 990111 (1911-04-01), Coon et al.
patent: 4257442 (1981-03-01), Claycomb
patent: 4281678 (1981-08-01), Claycomb
patent: 4342363 (1982-08-01), Reed

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