Jobsite Report 77

Customer
Phreatech

Place
Paris, France

Drilling Job
Supply of an office building of the company Schlumberger with geothermal energy for heating a total area of approx. 1500 m². In total 18 boreholes were drilled close to each other with different depths and drilling angles.

Drilling Method
Double head drilling rotary / rotary and DTH

• Drilling diameter 152 mm
• Drilling depths of 170 m, 200 m and 214 m
• Drilling angles 7°, 14° and 20°

Rods and casings are placed in the drilling axis by means of a handling device attached on a separate excavator.

Equipment

• Drill rig KLEMM KR 805-3GW, 129 kW
• Double head drilling unit KH 32G / KH 22 and preventer system
• Clamping and breaking device type H
• GAMMA water pump
• High pressure cleaner
• In-line lubricator for DTH
• Rod handling device HBR 180-1
• Crane type FASSI on board
• Radio remote control
• Drilling data recording system MBS 5
• Handling system HBR 120 D3H with 3 clamps as excavator attachment