Casing centralizer having spiral blades

Abstract

Description

FIG. 1 is a perspective view of a casing centralizer having spiral blades showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right-side elevational view thereof;

FIG. 5 is a left-side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view.

The broken lines showing a cylinder are included for the purposes of illustrating only and form no part of the claimed design.

Claims

The ornamental design of casing centralizer having spiral blades, substantially as shown and described.