The key characteristics of the L700THD drilling rig are as follows:

1. Mounting: The L700THD drilling rig is truck-mounted, providing mobility and ease of transportation to various job sites.

2. Versatility in Applications: Ideal for geophysical drilling, mineral exploration, and water wells, the L700THD is suitable for a wide range of drilling operations across different industries.

3. Pullback Capacity: The rig has a rated pullback capacity ranging from no less than 11,500 kg (25,350 lbs) to no less than 14,000 kg (30,865 lbs), providing substantial force for efficient drilling operations.

4. Drilling Methods: Designed primarily for mud rotary and diamond rotary drilling in vertical and angle modes, the rig also supports air blast and vertical D.T.H hammer drilling when fitted with suitable options. This versatility allows for adaptation to various geological formations and project requirements.

5. Drilling Specifications:
   - Hole Size: Capable of drilling up to 1050m (3445 ft) depth.
   - Pulldown Force: 11,500 kg (25,300 lb).
   - Pullback Force: 11,500 kg (25,300 lb).
   - Variable Head Speeds: Head low speed at 134 RPM, with corresponding torque rating of 4100 lb/ft; head high speed at 1100 RPM, with corresponding torque rating of 450 lb/ft.

6. Adaptability and Customization: The L700THD can be fitted with suitable options such as different drilling tools to enhance its functionality and meet specific drilling requirements.

Overall, the L700THD drilling rig offers robust pullback capacity, versatility in drilling methods, and adaptability to various drilling applications, making it suitable for geophysical drilling, mineral exploration, and water well projects.