US 11,920,956 B2
Obstruction detector assemblies, systems, and related methods for detecting obstructions along oil and gas equipment
David Lymberopoulos, Houston, TX (US); Andrew Allen Kadavy, Houston, TX (US); Peter Lanh Ly, Houston, TX (US); James Eric Amberg, Cleveland, TX (US); George F. Sullivan, III, Houston, TX (US); and Michael J. Pry, El Lago, TX (US)
Assigned to SAFOCO, INC., Houston, TX (US)
Filed by SAFOCO, INC., Houston, TX (US)
Filed on Feb. 3, 2022, as Appl. No. 17/592,076.
Prior Publication US 2023/0243669 A1, Aug. 3, 2023
Int. Cl. G01D 5/14 (2006.01); E21B 33/03 (2006.01); E21B 47/00 (2012.01)
CPC G01D 5/14 (2013.01) [E21B 33/03 (2013.01); E21B 47/00 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An obstruction detector assembly for wellhead structures, comprising:
a ring flange comprising:
a first outer surface,
a second outer surface,
a plurality of fastener openings extending from the first outer surface to the second outer surface,
a central opening,
a first inner surface,
a second inner surface, and
an inner circumferential recess separating the first inner surface and the second inner surface; and
a driver housing coupled to the ring flange and comprising an internal chamber;
a driver stem disposed at least partially in the internal chamber of the driver housing, the driver stem is movable partially out of the internal chamber of the driver housing; and
a driver head disposed outside of the driver housing and coupled to the driver stem, the driver head disposed in the inner circumferential recess and movable into and out of the central opening of the ring flange.