Non-welded bow-spring centralizer is available in the hinged style only. The bow springs of this centralizer are attached to the end rings without welding. The centralizer bow end is connected to the end rings with a locking tab that bears the load force on the centralizer. The centalizers are supplied in hinged segments joined by hinge pins in each segment. All non-welded centralizers meet or exceed the requirements of API Specification 10D, which dictates the minimum restoring and maximum starting forces for centralizers for various casing/hole size combinations.
All welded and non-welded bow spring centralizers are available in most common hole/casing sizes.
Casing Centralizer Features:
1. high strength centralizer suitable for deep wells, exploratory well , high deviated wells.
2. advanced technology , strong central performance.
3. safety with low drilling force and the maximum restoring force.
4. high quality ,convenient to use and easy transportation.
5. proper and consistent spring characteristics.
6. End collar hinges are folded toward inside.
7. A reinforcing rib stamped into the end collar. This way will strengthen and preserve it's round configuration during transport.
8. Several different spring bow heights that are available to accommodate most of casing.
9. Centralizers with built-in stop devices as well as those of uncommon sizes are available based on request
