China Single Piece Steel Bow Spring Casing Centralizer Bow Spring Centralizer Welded Bow Spring Cent

Bow spring centralizer, both welded and non-welded(woven type), which is widely used to help the casing center in the wellbore, allowing even distribution of the cement around casing during cementation operations, we have common sizes in stock 4 1/2" to 20".Features and advantage:1. Designed for high restoring force and low starting force
2. Easily to be assembled and fixed onto the casing together with Crane stop collars
3. Undergo special coating process to prevent from rust
4. Best choice for Tight Tolerance Casing Applications.

Oil well drilling and well completion, it's longevity and safe operation depends greatly on a good, complete cementing.High quality dual bow spring type centralizer for casingmight be the more economical choice.Deviated or fully horizontal casings relyon a proper standoff for a comFurniture Making Machine plete cementing which comes from usingoffer that insurance as they overcome the gravitational and axial forces of a casing.

Our Centralizersare manufactured to closely slide over your casing and have ample clearance between your well bore allowing the it to be inserted more easily and to prevent the string from becomingdeferentiallystuck.Uncommon sizes are available based on request, welcome.

Integral casing centralizer used for 7 5/8" casing and 9 7/8" hole

asing & Hole Diameter

HEIGHT

MM

φ88.9mm*φ117.5mm(3½″x4 5/8″)

365

φ101.6mm*φ117.5mm(4″x4 5/8″)

365

φ114mm*φ152.4mm(4½″x6″)

365

φ127mm*φ152.4mm(5″x6″)

365

φ139.7mm*φ215.9mm(5½″x8½″)

365

φ139.7mm*&phiMachinery for Packaging Supplies ;241.3mm(5½″x9½″)

365

φ168.3mm*φ215.9mm(6 5/8″x8½″)

365

φ177.8mm*φ215.9mm(7″x8½″)

365

φ177.8mm*φ241.3mmPackaging & Printing (7″x9½″)

460

φ193.7mm*φ241.3mm(7 5/8″x9½″)

460

φ193.7mm*φ250.8mm(7 5/8″x9 7/8″)

460

φ244.5mm*φ311.2mm(9 5/8″x12 1/4″)

460

φ273mm*φ333mm(10 3/4″x13 1/8″)

460

φ339.7mm*φ444.5mm(13 3/8″x17½″)

560

φ406.4mm*φ508mm(16″x20″)

560

φ508mm*φ660.4mm(20″x26″)

560