07/14/2026
9-1/2" Spiral Drill Collars
* Outside Diameter (OD): 9-1/2" (241.3 mm)
* Inside Diameter (ID): 3" (Standard)
* Connection Type: 7-5/8" API Regular (REG)
* Body Style: Spiral (Reduced Wall Contact)
* Average Weight: Approx. 217 lb/ft
* Standard Length: 30' – 31' (Range II)
Gemini said High-performance 9.5-inch spiral drill collars for maximum weight-on-bit.