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Note: Due to emission requirements, this machine is no longer a standard production model. Visit our drilling rigs for current production models, including the 8150LS.

Video: Geoprobe® 8140LC Sonic

Mid-Size Sonic with Low Clearance

Low clearance sonic drill rig boasts full rotary capabilities with our patented sonic head. Impressive power in a compact package.

Features & Options

  • Designed, manufactured, & supported by Geoprobe Systems®
  • Full-rotational drilling capabilities
  • Modular head designed to simplify maintenance & repair
  • Swing-arm control panel w/ advanced diagnostics system
  • Variable location control panel per operator preference & safety
  • Digital display screen w/ multi-function output
  • Electric over hydraulic system
  • Variable speed controls for drilling operations
  • Integrated frame rail system for optional features
  • Rear stabilizer blade and drop rack tooling systems
  • Easy engine access for general maintenance & repair
  • Maneuvered w/ wireless or tethered remote systems
  • Breakout system holds casing sizes 2 inch - 12 inch

With drill rig service shops in North Carolina, Pennsylvania, Florida, and Kansas, you’ll have service support nearby for your routine maintenance or more in-depth remounting and refurbishment work. Our service technicians are backed by our team of engineers to ensure solutions not bandaids to issues. And our production processes mean your sonic drill rig is constructed consistently and tested thoroughly to ensure easier service support.
 

Specs

Specifications are subject to change without notice.

Standard Specifications  
Weight (standard machine)19,350 lb.8 777 kg
Width80 in.2 032 mm
Length (folded)186 in.4 724 mm
Length (unfolded)193 in.4 902 mm
Height (folded)110 in.2 794 mm
Height (Folded for transport)110 in2 794 mm
Height (unfolded - minimum standard working height)192 in.4 877 mm
Height (unfolded - w/Rigid Break Out Option168 in.4 267 mm
Height (unfolded - winch mast up)249 in.6 325 mm
Extension (fore and aft)15 in.381 mm
Lateral Swing±8 degrees 
Oscillation±10 degrees 
Fuel Capacity (diesel)40 gal151 L
Engine (diesel) CAT®4-cylinder turbocharged 
Engine Power (continuous)120 hp90 kW
Surface Load Pressure (standard machine)7.5 psi52 kPa
Hydraulic Oil Reservoir55 gal 208 L
Hydraulic Flow (max)100 gpm376 Lpm
Hydraulic System Pressure (max)4,000 psi276 bar
Auxiliary Hydraulic Outlets Flow0 - 12 gpm0 - 45 Lpm
Auxiliary Hydraulic Outlet Pressure3,000 psi207 bar
Winch Pull Back2,500 lb1 134 kg
Winch Line Speed0 - 140 fpm0 - 43 mpm
Winch Mast Stroke63 in.1 600 mm
Ground Speed 2.5 mph4 kph
Front Outriggers (travel below drill mast)16 in 406.4 mm
Single Rear Stabilizer Blade (travel below tracks)12 in 304.8 mm
Additional Wireline Winch  
Converts primary winch system to wireline140fpm42.67mpm
(enough cable to run a wireline 375 ft bgs.)  
Second Winch Set Up2,000 lbf2 976.33 kgm
Line Speed110fpm33.53 mpm
GV4 Sonic Head  
Vertical Travel (GV4 Sonic Head)92 in. 2 337 mm
Side Shift Travel (GV4 Sonic Head)26 in.660 mm
Head Tip Out25 degrees 
Oscillator Freq0-130 Hz 
Down Force20,000 lbs 
Retraction Force20,000 lbs 
Torque (high torque/low speed)4,000 ft-lbs 
Torque (low torque/high speed)2,500 ft-lbs 
Rotation speed (low speed/high torque)80 rpm 
Rotation speed (high speed/low torque)120 rpm 
Break Out System: (12” w/ Rigid Mount**)  
Vertical Travel9 in.228.6 mm
Clamp Force (adjustable)0-21,000 lbs 
Breakout Torque13,500 ft-lbs 
Casing Size Compatible2 in. - 12 in.50.8 mm - 304.8 mm
**Rigid mount option (for low clearance setup)  
*Unit specifications are subject to change without notice.  

Specs

Click below to view standard specifications. Specifications are subject to change without notice.

Standard Specifications  
Weight (standard machine)19,350 lb.8 777 kg
Width80 in.2 032 mm
Length (folded)186 in.4 724 mm
Length (unfolded)193 in.4 902 mm
Height (folded)110 in.2 794 mm
Height (Folded for transport)110 in2 794 mm
Height (unfolded - minimum standard working height)192 in.4 877 mm
Height (unfolded - w/Rigid Break Out Option168 in.4 267 mm
Height (unfolded - winch mast up)249 in.6 325 mm
Extension (fore and aft)15 in.381 mm
Lateral Swing±8 degrees 
Oscillation±10 degrees 
Fuel Capacity (diesel)40 gal151 L
Engine (diesel) CAT®4-cylinder turbocharged 
Engine Power (continuous)120 hp90 kW
Surface Load Pressure (standard machine)7.5 psi52 kPa
Hydraulic Oil Reservoir55 gal 208 L
Hydraulic Flow (max)100 gpm376 Lpm
Hydraulic System Pressure (max)4,000 psi276 bar
Auxiliary Hydraulic Outlets Flow0 - 12 gpm0 - 45 Lpm
Auxiliary Hydraulic Outlet Pressure3,000 psi207 bar
Winch Pull Back2,500 lb1 134 kg
Winch Line Speed0 - 140 fpm0 - 43 mpm
Winch Mast Stroke63 in.1 600 mm
Ground Speed 2.5 mph4 kph
Front Outriggers (travel below drill mast)16 in 406.4 mm
Single Rear Stabilizer Blade (travel below tracks)12 in 304.8 mm
Additional Wireline Winch  
Converts primary winch system to wireline140fpm42.67mpm
(enough cable to run a wireline 375 ft bgs.)  
Second Winch Set Up2,000 lbf2 976.33 kgm
Line Speed110fpm33.53 mpm
GV4 Sonic Head  
Vertical Travel (GV4 Sonic Head)92 in. 2 337 mm
Side Shift Travel (GV4 Sonic Head)26 in.660 mm
Head Tip Out25 degrees 
Oscillator Freq0-130 Hz 
Down Force20,000 lbs 
Retraction Force20,000 lbs 
Torque (high torque/low speed)4,000 ft-lbs 
Torque (low torque/high speed)2,500 ft-lbs 
Rotation speed (low speed/high torque)80 rpm 
Rotation speed (high speed/low torque)120 rpm 
Break Out System: (12” w/ Rigid Mount**)  
Vertical Travel9 in.228.6 mm
Clamp Force (adjustable)0-21,000 lbs 
Breakout Torque13,500 ft-lbs 
Casing Size Compatible2 in. - 12 in.50.8 mm - 304.8 mm
**Rigid mount option (for low clearance setup)  
*Unit specifications are subject to change without notice.  

Resources

Click on a section below to view information.

GEOTEK ALASKA began with a 54DT and environmental drilling as their bread and butter. Through the years the Alaska company has diversified by opening a second location — in Hawaii — and completing a 50/50 mix of environmental and geotechnical drilling. As

ID: 13414 | Date:

The success of their first Geoprobe® 8140LS Rotary Sonic rig and associated tooling led McMillan Drilling to...

ID: 5323 | Date:

Jim Nidzgorski, of HD Sonic Drilling in East Palestine, OH, mobilized their Geoprobe® 8140LC Rotary Sonic inside an...

ID: 5216 | Date:

While Geoprobe® sonic machines effectively core rock, sonic does tend to induce fractures in the sample. So if the job calls for accurate...

ID: 5203 | Date:

“As far as rig performance goes, I have to say it did very well,” Randy Crandell, Driller for Major Drilling in Salt Lake City, UT, said recently...

ID: 4580 | Date:

Depend on Team Geoprobe®

Since 1987, Geoprobe® has manufactured innovative drilling rigs and tooling - engineered for efficiency and safety - simplifying drillers’ jobs and empowering their companies to succeed as productive and profitable leaders in the industry. When you partner with Geoprobe® you receive:

Customer-inspired Innovation

Engineering and building industry-leading drilling rigs, tooling, and techniques for the technical driller based on your needs to work safer and more efficiently.

Exceptional Value

Ensuring drilling rigs and tooling are created in conjunction – with consistent quality – to collect the highest-quality information with the most accurate result to get you to, into, and through the job efficiently.

Superior Service

Equipping you to do your best job and keeping you in the field via one-on-one expert sales and service technicians manning live support phone lines, shipping necessary parts same-day.