What is the T-type drilling?

T-type drilling Technical index

Horizontal hole size:    ≥￠114mm(139.7mm CSG); ￠152mm(177.8mm CSG)

 Radius of curvature：1m~10m(adjustable)

 T-type hole length： ≥100m

 The length of window： 24㎝(ellipse)

 Azimuth error ： ±3°

 Trajectory error： ±1%

 Hole measured： Multi point inclinometer

 Completion： Multiple completion methods