Description
The family of Hughes Christensen GT™, GTX™, GX™ and STX™ tricone drill bits from Baker Hughes has accumulated significant field experience over the last decade, becoming the drill bits of choice for many operators and contractors in a variety of applications. These bits are built upon field-proven technologies, using high-quality materials and a superior manufacturing processes to provide reliable and consistent drilling performance.
 
Applications
	
Conventional drilling applications
	
Rotary and motor applications
 
Features/Benefits
	
GX Hydraulics - GX bits offer both biased and unbiased hydraulic configurations fine-tuned for specific applications.
	
Engineered Compact Shapes - Compact attributes are adjusted to optimize cutter durability and aggressiveness for a specific formation and application.
	
Center Jet - A fourth jet is positioned in the center of the bit and utilized to prevent bit balling and the associated reduction in penetration rate.
	
Updrill Protection - Provides additional protection to the compensator and assists the drilling operation when backreaming is required.
	
Shirttail Compacts - Tungsten carbide compacts are added to the shirttail to reduce leg wear in abrasive formations and deviated or horizontal wellbores.
	
Motor Hardfacing - For additional protection in high-speed, directional, or abrasive applications, motor hardfacing can be applied. Tungsten carbide particle hardfacing is applied liberally along the shirttail and extended up the leading edge of the bit leg.
 
Specifications
	
Size: 12.25 in. (311.1 mm)
	
Bit Type: GX-C09
	
IADC: 437
	
Tooth Type: TCI
	
Bearing / Seal Package: Journal / Shrouded O-ring
	
Connection: 6-5/8 REG API
	
Max. Weight on Bit: 22 - 55 klb (10 - 24 tn or kdaN)
	
Rotational Speed: For Rotary and Motor Applications
	
Make-up Torque: 28.0 - 32.0 kft-lb (38 - 43.4 kNm)