Direct Push & Limited Access

Direct Push & Limited Access

Direct push technology allows Gregg Drilling LLC to collect continuous logs and undisturbed samples in less time and at a lower cost. Gregg operates a range of truck mounted, track mounted, and limited access direct push sampling rigs. Unlike conventional drilling,...
Well Development

Well Development

Gregg Drilling provides quality well development and testing services to the environmental site investigation community. Our Smeal 5 Ton, 8 Ton, and MARL pump/development rigs are equipped with features that assure the fast and efficient development and sampling of...
Sonic Drill – Track Mounted

Sonic Drill – Track Mounted

Gregg Drilling has added sonic drilling to our suite of capabilities. The Mid-Roto Sonic 50K (MRS) features a full size sonic head on a compact crawler with typical depth capabilities of 6” casing to 300’ through nearly any geology. The MRS also features true 100% rod...
Sonic Drill – Truck Mounted

Sonic Drill – Truck Mounted

Gregg Drilling has expanded the sonic drilling fleet with the addition of a new Fraste FS250 truck mounted sonic drill rig. It is ideal for high production and deep geotechnical, environmental, and exploration projects. The built-in automated rod handling, triple...
Cone Penetration Testing (CPT)

Cone Penetration Testing (CPT)

Since 1992 Gregg Drilling has been a leading provider of CPT services in the Western US. Gregg’s CPT trucks are designed and built in-house and provide 30-tons of push capacity. Our CPT equipment includes standard trucks, 6×6 off-road truck vehicles, track mounted...
Mud Rotary Drills

Mud Rotary Drills

Gregg Drilling prides itself in providing the right drilling solution for geotechnical site investigations. Gregg’s diverse range of equipment and capabilities can tackle diverse soil conditions and terrain. We offer standard mud rotary, reverse circulation and...