Centralizers
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Bow Spring Centralizers
Centralizers with flexible bow-shaped springs between two end collars that compress to pass through restrictions and expand to contact the borehole, providing high standoff in open hole and over-gauge sections.
Rigid (Solid Body) Centralizers
One-piece or bolted centralizers with fixed-diameter blades that do not flex, delivering positive, predictable standoff in cased hole and tight clearances where running force is less of a concern.
Spiral Blade Centralizers
Rigid or semi-rigid centralizers with helically arranged blades that impart rotational flow to the cement slurry and mud, improving mud removal and displacement efficiency around the pipe.
Solid-Body Thermoplastic / Composite Centralizers
Molded non-metallic centralizers made from engineered thermoplastics or composites, offering corrosion resistance, low friction, and reduced casing wear, often used in horizontal and reservoir sections.
Stop Collars
Casing accessories that clamp or set-screw onto the pipe body to axially restrain centralizers, preventing them from sliding as the string is run; supplied as hinged, slip-on, or set-screw types.
Drill-String Centralizers
Centralizers mounted on drill collars or the drill string to stabilize the bottomhole assembly, control hole deviation, and reduce contact between the string and the borehole wall.
Wireline Centralizers
Compact bow or finger-type centralizers that center logging, perforating, and other wireline tools in the casing or open hole to improve measurement accuracy and tool passage.
Centralizer Elastomer Pads
Replaceable elastomeric wear pads or inserts fitted to centralizer blades to cushion contact with casing or tubing, reduce wear, and protect coated or chrome pipe.
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