Antelope Oil Tool & Mfg. Co.

Troy McDaniel

Jean P Buytaert

Eugene Edward Miller

Christopher M Penry

Jesse Neel

A centralizer assembly includes a centralizer configured to centralize a tubular in a wellbore. The centralizer includes a first end collar, a second end collar, and ribs extending between the first and second end collars. The assembly also includes a first stop collar disposed adjacent the first end collar and including an anchor. The anchor defines a generally rectangular anchor window extending therethrough. The anchor is configured to bear on an anchoring material secured to the tubular and received through the anchor window. The anchor material includes a thermal spray applied to the tubular. The first end collar is prevented from rotation with respect to the first stop collar.

Low-clearance centralizer

An apparatus to alter the flow of a fluid (e.g., drilling fluid, mud, cement, etc.) in a wellbore by creating turbulence in the flowing fluid. The apparatus includes a plurality of blade members extending outward from an elongated member. The elongated member is attached to the exterior surface of a tubular that is then positioned in a wellbore.

Device and method for affecting the flow of fluid in a wellbore

One-piece centralizer with an axial seam and windows

One-piece centralizer with an axial seam

One-piece centralizer with an axial seam and end-collar tabs

Embodiments of the disclosure provide a rigid centralizer having at least one annular band with radially extending embossed flutes spaced around an outer surface of the at least one annular band and a plurality of elongated connecting posts welded to an inner surface of the at least one annular band to form a tubular receiving annulus.

Rigid centralizer

Growing community of inventors

Weatherford, TX, United States of America

Troy McDaniel