1. Stable performance; 2. Subjected to the requirements of API 10; 3. The leaf spring is made of high quality spring steel, high in elasticity and better in centralizing effect; 4. Small tripping-in resistance; 5. It adopts woven structure design and a locking mechanism at its end, making it solid in structure and stable in operation; 6. The leaf spring is installed with a converging-diverging plate, which can produce fluid turbulence, not only improving the debris-carrying capability of the drilling fluid, but also enhancing the cementing quality.
1. Applicable casing size: 5 1/2", 9 5/8"; 2. Applicable borehole size: 8 1/2", 12 1/4"; 3. Max. OD: 230,335 mm; 4. Meet the requirements of API 10 D or not: met.
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