Whirl Bow-spring Casing Centralizer
- Bow-springs and finlike whirl steels fitting the requirements are adopted.
- Finlike whirl steels are fixed on bows of bow-springs in the manner of right-hand rotation or left-hand rotation.
- The centralizer fit the most casings and wellbores specified in the standard API 10D.
- Whirl steels are heat treated spring steels.
- Generally it is installed under the stop collar.