API 10D Integral Bow Spring Casing Centralizer 5-1/2 to 13-3/8 Inch One Piece Steel
One-piece integral bow spring centralizer for oil well cementing. Complies with API 10D for starting and restoring force. Offers high stand-off, 360° wall coverage, and greater centering efficiency. Available in sizes 4-1/2" to 13-3/8". Custom diameters supported.
1. Description of Single Piece Bow Spring Casing Centralizer
The Single Piece Bow Spring Casing Centralizer is newly designed integrated steel flexible Centralizer used to centralize casing during the cementing stage of oil wells. Fully integrated (SLIP-ON) centralizers are manufactured in any diameter and as per customer requirements.
The blades, top and bottoms rings are made of one piece to ensure the centralizer s integrity during rig operations.
The specifications comply with API Spec 10D for starting compression, running down hole and expansion force.
These centralizers offer high fatigue strength for axial forces and radial side loads on bows during tubular rotation.
More flexibility as comparison to other spring bow centralizer.
2. Features of Single Piece Bow Spring Casing Centralizer
1. Starting and restoring force confirm to API Standard.
2. More flexibility as comparison to other spring bow centralizer
3. Greater centering efficiency
4. Higher Stand Off.
5. 360° wall coverage for increased load bearing area.
Available Size: 4-1/2" to 13-3/8".
|
Model (in) |
Hooping In-Dia. (mm) |
Hooping thickness (mm) |
Total length (mm) |
Max.Out-Di (mm) |
Amount of spring (mm) |
| 5-1/2" x 8-1/2" | 142-148 | 3-5 | 650±50 | 225±5 | 5 |
| 7" x 9-5/8" | 181-186 | 3-5 | 650±50 | 255±5 | 6 |
| 7" x 8-1/2" | 181-186 | 3-5 | 650±50 | 235±5 | 6 |
| 8-5/8 x 12-1/4" | 223-228 | 3-5 | 650±50 | 330±5 | 8 |
| 9-5/8 x 12-1/4" | 250-255 | 3-5 | 650±50 | 330±5 | 8 |
| 10-3/4 x 12-1/4" | 274-276 | 3-5 | 650±50 | 330±5 | 9 |
| 13-3/8"x17-1/2" | 342-347 | 3-5 | 650±50 | 450±5 | 11 |
| 18-5/8"x24" | 475-477 | 3-5 | 600±50 | 610±5 | 12 |
| 20"x26" | 509-511 | 3-5 | 600±50 | 660±5 | 12 |
Puyang Zhongshi Group Co., Ltd is a professional manufacturer of various oilfield equipments and cementing accessories since 1997, restructured enterprise of SINOPEC. Our group have 10 years export experience and 9 subsidiary factories, more than 500 employees. We are the first-class supplier of resources market of SINOPEC and CNPC.
We have the certificates of API 5CT, API 10D, API 11E, API 6A, API 11AX, ISO 9001 and ISO 14001. Our foreign customers are mainly from America, Central Asia, Russia, Southeast Asia, Middle East, etc.
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