Specifications
Lake provides various non-welded bow spring centralizers, which are designed and manufactured as per API Spec 10D.
Spring Casing Centralizer The popular styles available are non-welded single bow spring centralizer, and double-bow spring centralizer with high reliable quality, which can be used to replace Weatherford centralizer. Spring Centralizer Characters • Super-strengthen spring steel • Model processing, no rivet, no welding •3-section structure for easy transport •Starting and resetting force conform to API standard •Easy for installation
Rigid Casing Centralizer As one useful cement tool, rigid centralizer enables casing run easily in wellbore with its shape of stream-lined. There are two kinds of Rigid Centralizer available: spiral blade rigid centralizer and straight blade centralizer. The material for both kinds of centralizers can be cast steel or cast aluminum.
Technical specifications of Non-welded Bow Spring Centralizer
| Centralizer Spec. (in) | 20 | 18-5/8 | 16 | 14 | 13-3/8 | 12-3/4 | 10-3/4 | 9-5/8 | 7-5/8 | 7 | 6-5/8 | 5-1/2 | 5 | 4-1/2 |
| Casing Size (in) | 20 | 18-5/8 | 16 | 14 | 13-3/8 | 12-3/4 | 10-3/4 | 9-5/8 | 7-5/8 | 7 | 6-5/8 | 5-1/2 | 5 | 4-1/2 |
| Open Hole Size (in) | 24 26 | 22 24 | 20 22 | 18 | 17-1/2 | 17-1/2 | 12-1/4 | 12-1/4 | 9-7/8 | 8-1/2 | 8-1/2 | 8-1/2 | 6-1/2 | 6 |
| Max. O.D. (mm) | 650 714 | 590 680 | 550 613 | 484 | 470 | 466 | 370 | 375 | 273 | 252 | 245 | 256 | 190 | 181 |
Technical specifications of Rigid Centralizers
| Rigid Centralizers Specification (in) | 13-3/8 | 10-3/4 | 9-5/8 | 7-5/8 | 7 | 5-1/2 | 5 | 4-1/2 | 4 |
| I.D. (mm) | 343 | 276 | 247 | 197 | 180 | 143 | 130 | 117 | 104 |
| Max. O.D. (mm) | 400 | 308 | 308 | 243 | 212 | 213 | 151 | 148 | 118 |
| Height (mm) | 130 | 120 | 120 | 120 | 120 | 120 | 120 | 100 | 80 |
The information you may like to know before order
1. Methods of Payment
T/T (Telegraphic Transfer) sor Western Union or L/C at sight
2. Handling time for an order
Based on order quantity, normally it takes 25 days for production.
Only 2 or 3 days if we have stock on your request size.
3. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.
4. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
5. After Services
1. Our sales team will response for your question within 24 hours (Holidays Excluded)
2. Technical Support will be available in any time
3. Free replacement will provide once the failure confirmed caused by our product quality
Lake Petro company is a professional supplier of various oilfield equipment, including oil drilling and service equipment, oil production equipment, OCTG, wellhead & downhole tools and spare parts. Our products have already been exported, South America, Africa, Middle East, and some other countries (regions). Lake Petro company has become VIP (assigned) supplier and built strategic partnership with some countries' national petroleum companies.
For more information, just feel free to contact me

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Step 1
Payment and order readiness
Minimum order: 10 Units
Payment terms, specifications, and order details are confirmed before preparation begins.
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Step 2
Preparation
Lead time will be confirmed with your quotation.
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Step 3
Packaging and dispatch
Packaging details are available on request.
Final packing, freight, and delivery dates are confirmed before dispatch.
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