Equipment
Specialized Equipment to maximize safety and productivity
Gregg Drilling, LLC. (Gregg) offers a wide range of services for environmental, geotechnical and marine site investigation and remediation. Since our inception, Gregg has been widely recognized as a leader and innovator in drilling, sampling, and subsurface investigation, providing clients in industry and government with the highest quality services.
We maintain our high standards through constant innovation, research and investing in training, quality equipment and new technologies.
The list below offers a highlight of Gregg’s equipment with specification sheets available to download. Jump to our Resources page for access to all our specification sheets as well as links to educational webinars.
Project Summaries
Membrane Interface Probe (MiHPT)
Gregg deploys an MiHPT tool which is a combination of the MIP probe and the hydraulic profiling tool. It can be partnered with the CPT to provide real-time “smart” characterization for a variety of...
CME45 Skid Mounted Drill
Gregg Drilling operates a CME45 skid mounted drill rig that can be mounted on any number of platforms. Commonly used on smaller barges, the CME45 is both light-weight and highly capable of drilling...
Barges & Near-shore Equipment
Over the past 20-years, Gregg has conducted a wide variety of near-shore and marine drilling and testing projects. In addition to Gregg’s boat the R/V Quin Delta, Gregg has used marine barges,...
Heliportable Equipment
Gregg Drilling offers unique solutions for difficult access areas, saving time and money by eliminating the need for access roads. Our heliportable drill rig splits into seven parts, each weighing...
Amphibian Platform
Gregg’s amphibious platform is a useful tool for difficult access sites such as marshes, sediment ponds, tailing impoundments, and inter-tidal zones. The amphibious platform can be outfitted with...
Quin Delta Drill Ship
Over the past 20-years, Gregg’s purpose built R/V Quin Delta has worked up and down the West Coast, from San Diego to Alaska. This versatile vessel has been used effectively in tidal mud flats and...
Air Vacuum Excavation Equipment
Gregg Drilling’s air vacuum system works by exploding the soil from within, using high pressure air. The soil is then vacuumed and stored in large canisters for easy backfilling. The operators are...
Remediation Platforms
Gregg’s Mobile Remediation injection platforms are self-contained and have integrated operator workstations. Gregg provides integrated mixing and pumping systems that can achieve injection rates up...
Limited Access Tracked Rhino
Watch the video below for a short demonstration one of our most popular limited access units, the Rhino. Gregg has used versions of the Rhino rig for many years as it is a versatile auger and direct...
Portable Direct Push (Ramset)
Gregg accomplishes direct-push and CPT work inside buildings and small spaces by utilizing our ramset CPT & direct push sampling unit. Common projects that deploy the ramset include:...
Limited Access Wharthog
Check out the video below for a demonstration our limited access unit, the Wharthog. This unit is particularly well suited for operation indoors as it is only three feet wide and can fit through a...
Limited Access Tracked Scorpion
Gregg utilizes a scorpion limited access track rig to provide a safe and effective means to conduct geotechnical and environmental site investigations. The scorpion rig allows for CPT testing in...
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...
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...
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...
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...
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...
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...
Auger Drills
Since 1985 Gregg Drilling has been providing auger drilling services to the environmental and geotechnical site investigation community. Gregg has a full range of both truck and track-mounted auger...
Have a question about the equipment we operate?
If something isn’t listed here, it doesn’t always mean we don’t provide that specific services. Please reach out to one of our experienced project managers – most have operated the equipment themselves and worked for Gregg for 20+ years!
