Solid Body Centralizers & Spirolizers

Roller Centralizer Low Drag Type

EOT’s Low Drag Roller Centralizer is an advanced friction-reduction solution tailored for extended-reach wells. Designed to optimize drilling and casing operations, this centralizer minimizes operational challenges and enhances efficiency in directional and horizontal wellbores.

Key Features:

• Low Drag Design: Horizontal roller arrangement significantly reduces dragging force, enabling smoother casing movement in extended-reach wells.
• Friction Reduction: Reduces torque, drag, and casing wear while mitigating tool-joint wear and differential sticking issues.
• Enhanced Performance: Improves rate of penetration (ROP), directional control, and hole cleaning for more efficient wellbore operations.
• Durable Construction: Built to withstand challenging wellbore conditions and provide long-lasting reliability.
• Wide Size Range: Available in sizes ranging from 4 1/2″ to 9-5/8″, with customization options for special sizes or configurations.

EOT’s Low Drag Roller Centralizer offers a reliable and efficient solution for minimizing operational challenges in demanding wellbore conditions.

Aluminum Straight Blade Solid Rigid Centralizer

The EOT Aluminum Straight Blade Solid Rigid Centralizer is engineered for optimal primary cementing results, suitable for challenging well conditions like deviated and horizontal wells, liner overlaps, and shoe joints. Its robust, high-tensile cast aluminum construction ensures superior durability and resistance to shock, impact, and corrosion.

Features:

• Beveled Vane Ends: Vanes beveled at 30° relative to the casing centerline allow seamless entry into restrictions and minimize drag during operations.
• Material Advantage: Made from high-tensile solid cast aluminum, offering excellent corrosion and impact resistance.
• Load Distribution: Wide vanes efficiently spread the load across the wellbore without causing gouging or damage.
• Wellhead Protection: Constructed from softer material to prevent damage to wellhead equipment during casing running.
• Low Running Forces: Specially designed vanes reduce friction and keep running forces minimal for enhanced operational efficiency.
• Adaptable Applications: Effective in both cased and open-hole environments, ensuring versatility in use.
• Proven Performance: Delivers exceptional results in extended reach and horizontal applications, enhancing overall operational reliability.

Size Availability:

• Sizes: 2 7/8″ to 30″.
• Custom sizes and configurations are available upon request to meet specific operational requirements.

Carbon Steel Spiral Blade Solid Rigid Centralizer

EOT’s Carbon Steel Spiral Blade Solid Rigid Centralizer is a robust and efficient tool designed to enhance cementing operations by providing superior casing centralization. It features a spiral blade configuration similar to welded solid rigid centralizers, optimized for consistent performance in challenging wellbore conditions.

Features:

• Spiral Blade Design: Promotes turbulence in cement slurry, improving mud displacement and cement bonding. Ensures smooth casing movement through the wellbore.
• Carbon Steel Construction: Manufactured from durable carbon steel, offering high strength and resistance to deformation under load.
• Surface Treatment: Painted or coated with polyester powder for enhanced corrosion resistance and long service life.
• Wide Compatibility: Suitable for both open-hole and cased-hole applications in vertical, deviated, and horizontal wells.
• Customizable Options: Available in various sizes and configurations to meet specific operational requirements.

Size Availability:

• Sizes: 2 7/8″ to 30″.
• Special sizes or custom combinations are available upon request.

Slip-On Heavy Duty Straight Spirolizer

COS’s Slip-On Heavy Duty Straight Spirolizer is designed for demanding wellbore conditions, providing superior casing centralization and enhanced cementing efficiency. It features a durable steel construction with straight fins that reduce drag forces and optimize mud displacement. This tool is particularly effective in vertical, deviated, and horizontal wells, ensuring reliable performance in challenging environments.

Features:

• Heavy-Duty Steel Construction: Manufactured with steel for exceptional toughness and longevity. Welded with high-quality electrodes to ensure uniform strength and durability.
• Straight Fins: Designed to reduce drag forces during pipe running. Generate vortex flow for optimal mud displacement and minimal pressure drop. Yield to accommodate unexpected under-gauge sections of the open hole.
• Customizable Vane Profiles: Vanes are available in seven boat-profile depths to match various hole diameters.
• Slip-On Design: Allows direct installation on the casing by slipping on. Compatible with beveled stop collars positioned by set screws for secure placement.
• Pre-Assembled Shipping: Shipped in a fully assembled condition for ease of handling and installation.
• Surface Treatment: Coated with high-quality paint or polyester powder to resist corrosion and extend service life.

Size Availability:

• Sizes: 2 7/8″ to 30″.
• Custom sizes or configurations are available upon request.

Slip-On Welded Heavy Duty Positive Spirolizer

EOT’s Solid Heavy Duty Spirolizer is engineered for extreme load conditions in highly deviated horizontal wells and liner hanger applications. Its durable steel construction ensures superior toughness compared to other materials. The symmetrical spiral fins are securely welded to a one-piece rolled-formed sleeve under controlled conditions using low-hydrogen electrodes, providing exceptional strength and uniformity.

Key Features:

• Durable Steel Construction: High-grade steel for enhanced toughness and longevity.
• Symmetrical Spiral Fins: Optimized for even load distribution, vortex flow, superior mud displacement, and reduced pressure drop.
• Hydrodynamic Efficiency: Improves cement slurry displacement, reduces channeling, and enhances mud removal.
• Slip-On Installation: Easy setup with stop collars beveled on one side and secured by set screws.
• Customizable Vane Profiles: Available in seven boat-profile depths for different hole diameters.
• Wear Resistance: High resistance to wear and side loads in demanding wellbore conditions.
• Corrosion Protection: Coated with a corrosion-resistant layer like polyester powder or high-quality paint for extended durability.

Sizes:

Available in 2 7/8″ to 30″ sizes. Special sizes and configurations can be provided upon request.

Slip-On Stand-Off Band

COS’s Stand-Off Band is specifically designed to ensure positive stand-off for casings in both cased and open holes. The angled fins promote increased turbulence for efficient cement slurry flow. Ideal for liner applications, the band is particularly useful in close tolerance conditions between the casing and the borehole.

Key Features:

• Enhanced Flow Efficiency: Angled fins create turbulence to improve cement slurry displacement.
• Close Tolerance Solution: Designed for narrow gaps between casing and borehole.
• Versatile Application: Suitable for both cased and open holes, particularly liner applications.
• Operational Flexibility: Allows for reciprocation and rotation during cementing operations.
• Easy Installation: Can be installed between set screw stop collars for secure positioning.

Sizes:

Available in 2 7/8″ to 30″ sizes. Custom sizes and configurations can be provided upon request.

Heavy Duty Stand-Off Band

EOT’s Heavy Duty Stand-Off Band is engineered to ensure a positive stand-off for casing in both cased and open holes. It is particularly suitable for close-tolerance scenarios and liner applications, offering superior strength and reliability for vertical, highly deviated, and horizontal wells.

Key Features:

• Durable Construction: Made from one-piece, high-grade heavy-gauge steel for exceptional strength, toughness, and wear resistance.
• Enhanced Performance: Angled fins increase turbulent flow, improve cement slurry displacement, and reduce drag forces.
• Versatile Installation: Slip-on configuration for direct placement between stop collars and casing collars, or secured in place with integral set screws for non-rotating and non-reciprocating cementing operations.
• Designed for Tough Conditions: Withstands high axial loads, extreme well conditions, and remains functional throughout the well’s life.
• Friction Reduction: Lower friction factors with reduced drag and rotational torque.

Sizes:

Available in 4 1/2″ to 20″ sizes. Custom sizes or combinations can be made available upon request.

Zinc Spiral Blade Solid Rigid Centralizer

COS’s Zinc Spiral Blade Solid Rigid Centralizer is designed to deliver efficient performance in various industrial applications, ensuring reliable functionality during cementing operations. The centralizer features a zinc spiral vane design, providing smooth flow from the body to the height of the vane, effectively preventing scraping, gouging, or digging into the formation. This reduces the risk of balling between the vanes and ensures optimal performance.

Key Features:

• Zinc Spiral Vane Design: The zinc construction and spiral vane shape offer durability and smooth functionality.
• Prevents Scraping and Gouging: The gentle flow minimizes the risk of scraping or gouging the formation, ensuring optimal cementing performance.
• Balling Prevention: Designed to reduce balling between the vanes, which enhances operational efficiency.
• Reliable and Durable: Regularly checked for quality, ensuring high reliability and consistent performance across applications.
• Flexible Application: Extensively used for rough and fine polishing of metallurgical specimens, making it versatile for various industrial needs.
• Customizable Sizes: Available in sizes ranging from 2 7/8″ to 30″, with special sizes or combinations available upon request.

The Zinc Spiral Blade Solid Rigid Centralizer provides high functionality and reliability for cementing operations, ensuring better performance and reduced operational issues.

Roller Centralizer Low Torque & Low Drag Type

EOT’s Low Torque and Low Drag Type Roller Centralizers are engineered to optimize casing running efficiency in inclined and horizontal well sections. By reducing friction and impact forces, these centralizers ensure smooth operations while minimizing torque and wear.

Key Features

• Low Torque and Low Drag Design: Converts sliding friction between casing and borehole into rolling friction, significantly reducing drag and torque.
• Roller Alignment: Vertical alignment of rollers on the centralizer periphery provides torque reduction and enhances stability during operations.
• Impact Force Reduction: Rollers reduce the impact force exerted by irregular borehole walls on the spiral centralizer, improving durability and operational reliability.
• Optimized Dimensions: Rollers’ outside diameter is slightly larger than the centralizer fins’ outer diameter for efficient rolling action & Rollers’ inside diameter is slightly larger than the fins’ inner diameter to ensure seamless movement.
• Wide Size Range: Available in sizes from 4 1/2″ to 9-5/8″, with customization options for special sizes or configurations.

EOT’s Low Torque and Low Drag Roller Centralizers are the perfect choice for enhancing operational efficiency, reducing wear, and ensuring the smooth deployment of casings in challenging well environments.