Centralizers
Prime Range — Economy Single-Piece Bow-Spring Centralizers
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The Prime Range from PDG represents our economy-focused series of single-piece bow-spring centralizers, engineered to deliver reliable casing centralisation for standard well conditions without the premium cost. These centralizers are designed specifically for non-complex wells — such as vertical and moderate deviation applications — where dependable performance and cost efficiency are key priorities.
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Economical Performance Where It Counts
Centralisation is fundamental to successful cement placement, uniform stand-off and zonal isolation in any well construction programme. The Prime Range achieves these objectives through a robust, one-piece bow-spring design that balances manufacturing simplicity with effective restoring force, giving operators a dependable tool suited to everyday drilling environments.
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Key Features
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Single-Piece Bow-Spring Construction — Eliminates welds and reduces weak points in the design, enhancing structural reliability while keeping cost down.
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Cost-Effective Solution — Positioned as PDG’s economy centralizer series, the Prime Range offers a strong performance-to-cost ratio for standard well profiles.
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Reliable Centralisation — Provides consistent stand-off to support uniform cement coverage and efficient displacement.
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Standard Compatibility — Available in a broad range of casing sizes to match common casing specifications.
Applications
The Prime Range is ideal for operators seeking a straightforward, reliable centralizer in wells where extreme doglegs, high-angle trajectories or specialised environments are not the dominant challenge. Typical uses include:
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Vertical wells
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Shallow deviated sections
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Cost-sensitive onshore drilling programs
Why Choose Prime Range?
By combining a simplified single-piece bow spring design with PDG’s commitment to quality, assurance, reliability and safety, the Prime Range gives drilling and cementing teams a cost-efficient option without compromising the core functional benefits of centralisation. Whether planning routine casing runs or specifying tools for repeat jobs, these centralizers deliver dependable performance where it’s needed most.
