Centralizers
Centralizers PHAZER™
Vulcan's centralizer range for casing and liner running, spanning one-piece, bow-spring, solid-body and non-metallic constructions for under-reamed, ERD, gauge-hole and casing-while-drilling (CWD) applications
PHAZER™ ECO
Fabricated steel slip-on solid-body gauge-hole centralizer suitable for intermediate wellbores.
Features:
· One-piece steel, heavy-duty centralizer.
· Suitable for intermediate wellbores.
· Positive stand-off & maximized flow-by.
· Free-flow solid blade design improves cement placement.
· Bi-directional fitment.
· Excellent side loading > 20 tonnes.
· Spiral bladed or straight blade options available.
· Integral stop collar option available.
· Design options available for Casing While Drilling (CWD) applications.
· Size range: 2-7/8" to 30".
PHAZER™ FLEX
Patented under-reamed centralizer designed to glide through previous cased-hole restrictions and open to provide a high level of stand-off in the open hole.
Features:
· Engineered for under-reamed application.
· Innovative variable blade design; each blade works independently during insertion and RIH.
· Superior stand-off guarantees improved zonal isolation.
· Significantly reduced running forces reduce accumulative drag forces during RIH.
· API testing and beyond – operator testing requirements will be met.
· One-piece robust construction, suitable for rotation, withstanding high radial & axial loads.
· Proprietary manufacturing process and high-strength spring steel material perform equally in close-tolerance cased hole and open hole.
· Sizes tested and available: 5-1/2" to 24".
PHAZER™ SUB
In-line centralizer sub specifically designed for passing through long sections of previous casing with annular clearances under 0.25" and recovering to provide the best conditions for good zonal isolation in under-reamed open-hole sections.
Features:
· Engineered for under-reamed application.
· Innovative variable blade design; each blade works independently during insertion and RIH.
· Superior stand-off guarantees improved zonal isolation.
· Significantly reduced running forces reduce accumulative drag during RIH.
· API testing and beyond.
· Robust construction, suitable for rotation, withstanding high radial & axial loads.
· Proprietary manufacturing process and high-strength spring steel material.
· Sizes tested and available: 5-1/2" to 24".
PHAZER™ SR
One-piece heavy-duty centralizer specifically designed for gauge-hole centralization, offering 100% stand-off.
Features:
· Heavy-duty one-piece construction providing flexibility and strength.
· Suitable for rotation, withstanding high radial & axial loads.
· Zero starting & running forces.
· Maximized stand-off & flow-by.
· High restoring force exceeding API requirements; superior stand-off guarantees improved zonal isolation.
· Suitable for onshore installation, reducing health and safety risk and rig time.
· Split & hinged option available upon request.
· Sizes tested and available: 4-1/2" to 30".
PHAZER™ SB
Range of API-qualified welded & non-welded bow-spring centralizers.
Features:
· Engineered hinged welded & non-welded spring-bow centralizers.
· Blade variants: Positive, Tandem Rise, Conventional.
· API 10D certified.
· High restoring force; low starting & running forces.
· API & ISO 9001:2015 rated manufacturing and quality control.
· Size range: 2-7/8" to 30".
PHAZER™ Z - Line
Low-friction solid-body centralizer, a combination of zinc alloy and carbon-Kevlar composite, designed specifically to reduce torque and drag in ERD wellbores.
Variants:
ZR (standard)
ZRD ("the low drag centralizer", friction-reducing external pads)
ZRT ("the low torque bearing centralizer", low-torque internal bearing).
Features:
· Combination of zinc alloy and bulletproof carbon-Kevlar ultra-low friction durable materials.
· Exceptionally low coefficient of friction providing low torque and drag during RIH.
· High-strength carbon-Kevlar composite with extremely low wear properties.
· Suitable for extreme ERD and highly deviated applications.
· High strength for axial and radial loading.
· Exceptionally durable materials suitable for high-temperature wellbores and long-life cycles.
· Full 360° passive spiral blade, maintaining maximum flow-by area.
· Free-flow solid blade design provides excellent cement placement and guaranteed stand-off.
· Centralizer placement / T&D analysis available.
· Fully machinable for bespoke design and reduced OD sizes.
· Sizes available: 4-1/2" to 13-3/8".
PHAZER™ FUSION
Low-friction, non-metallic centralizer designed specifically to reduce torque and drag in challenging wellbores.
Features:
· High compressive strength & high impact resistant.
· Durable and wear resistant.
· Low friction offering torque and drag reduction.
· Proprietary, non-metallic, lightweight low-density material.
· Steel band swage rings reinforce the lateral load strength.
· Designed to be rotated during RIH and throughout cement displacement.
· Suitable for deviated and ERD applications.
· Free-flow solid blade design provides on average 85% guaranteed stand-off and cement placement.
· Spiral and straight blade configurations available.
· Sizes available: 2-7/8" to 9-5/8".
PHAZER™ CWD
Vulcan's cutting-edge Casing While Drilling (CWD) centralizers.
Features:
· Options available for all levels of CWD applications.
· Durable and wear resistant.
· Low friction offering torque reduction.
· High compressive strength & high impact resistant.
· Enhanced drilling efficiency: reduces friction and torque, resulting in faster and more efficient operations.
· Reduced drilling costs: less wear on equipment and enhanced efficiency deliver substantial cost savings over the life of the well.
· Spiral and straight blade configurations available.
· Advanced, wear-resistant material to withstand the harshest drilling environments.
· Compatible with industry-standard casing sizes and drilling equipment.
· Suitable for oil & gas wells, geothermal & horizontal drilling.
PHAZER™ CC
Ingeniously engineered heavy-duty steel centralizer crafted to address the challenge of centralizing large-bore casing within risers.
Features:
· Robust construction ensuring reliability and longevity in demanding operational scenarios.
· Elevated holding force that effectively secures the casing in place.
· Superior axial loading management during casing installation.
· Advanced high-tensile stainless-steel, anti-vibration bolting system.
· Tailored placement services and comprehensive Torque & Drag (T&D) analysis available.
· Diverse size range: 16 inches to 36 inches.
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