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Probing Times Articles

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Geoprobe® 8150LS Rotary Sonic Rig
Switch to Sonic? No Way!

The Geoprobe® sonic rig has really done some incredible things” Robert said. “Everywhere we’ve gone it’s really impressed everyone...

Probing Times Fall 2016
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Geoprobe® Sonic Weighted Wireline System
Geoprobe® Sonic Weighted Wireline - A Real Game Changer for the Sonic Industry

Moving things forward. That’s what the sonic weighted wireline tooling from Geoprobe Systems® does. Call it raising the bar...

Probing Times Fall 2016
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This three-week sampling and well installation project is part of the early phase of a 332-acre redevelopment agreement for the site.
Stearns Drilling On Site of Possible Vehicle Research Center

Stearns Drilling mobilized their Geoprobe® 8140LS rotary sonic to the former Willow Run Powertrain Plant in Ypsilanti Township in Michigan, the site...

Probing Times Fall 2016
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With conventional sonic 4x6 sampling, water comes in direct contact with the sample core and dramatically reduces the ability to collect a confirmatory bedrock sample.
Sonic Double Wall 4.5 in. (SDW45) Sampling System

The Sonic Double Wall 4.5-in. (SDW45) tooling system compliments the conventional sonic 4x6 system. It’s a simple and effective tooling system...

Probing Times Fall 2016
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(l to r) Randy Crandell (at the controls), Shaun Biggs, and Chris Ruschmeyer add a stick of 6-in. casing to be advanced over a 4-in. core barrel using the 8140LC rotary sonic on a barge.
8140LC Sonic: Unmatched Versatility

“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...

Probing Times Fall 2016
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The indexing rack includes a basic frame system with large fork pockets in the base making drill site navigation a cinch. Load it up, pick it up, put it on the truck, and head to the site.
Indexing Rack for 10-Foot Sonic Tooling

With a few basic movements and one ‘touch’ of the drill stem, sonic tooling can be loaded into the rig’s rod loader, and the machine’s functions take over...

Probing Times Fall 2016
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Geoprobe® Coring Head for Diamond Drilling.
High-Speed Coring Head for Geoprobe® Sonics

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

Probing Times Fall 2016
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Nick Kolenda (left) and Tom Hartwell, Drillers for Active Environmental Technologies, use a 3230DT to install 2-inch monitoring wells in a residential area.  Monitoring wells were installed to determine potential groundwater impact.
3230DT Helps Expand Services for Active Environmental Technologies

Our goal at Active Environmental Technologies, Inc. was to expand the drilling division to provide a much broader range of services to...

Probing Times Fall 2016
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Spring Assisted Swivel Pull Cap (left, pin) 217609 and (box) 226053. Options for pin up and pin down applications.
Spring Assisted Swivel Pull Cap

This is one of my favorite accessory tools. It’s simple and effective. This is a true impact-making, gotta-see-it-to-believe-it...

Probing Times Fall 2016
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A Geoprobe® 7822DT, connected to an air compressor, is used to install monitoring wells at an underground storage tank site by Cory Walker, Owner of CORTEK Drilling.
Air Rotary Drilling with a 7822DT

Never underestimate the capability of the 7822DT! Every day, customers become aware of applications they can offer their clients based on the power...

Probing Times Fall 2016
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Percussion hammer power translates into tool advancement rates. Here’s one example ... during informal testing in our backyard, our 7822DT could drive a 3.75-in. rod string to approximately 30 feet in 21 minutes. The 3230DT advanced the 3.75-in. rods to 30 feet in well under 6 minutes. Both had a solid drive point on the lead end.
Customers Find Success with Geoprobe® 3.75 in. Tooling

Geoprobe® 3.75 in. tooling was designed in conjunction with the Geoprobe® 2.0-in. Slim Prepacks to create a more efficient...

Probing Times Fall 2016
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Removing drill stems from 162-ft. bgs.
7822DT Uses Air Rotary for Geothermal Loop Installation

During the last 23 years, Tony Poulter, Vice President and Co-Owner of RAZEK in Louisburg, KS, has operated a Geoprobe® machine...

Probing Times Fall 2016
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CJ, Driller, and Dalles, Helper, collect MC5 samples with a 7822DT in Cambridge, Ontario.
Brothers Find Employees and Geoprobe® Valuable to Grow Business

In 2005, Andrew and Tony Armstrong set forward to challenge themselves by starting their own company, Direct Environmental Drilling...

Probing Times Fall 2016
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Drayko welds two sections of pipe together under the overhang of a pump station. The maneuverability of the 6620DT permitted a battered installation under the buried sewer main to ensure a ‘solid’ frozen curtain.
GeoTek Hawaii Helps Introduce Ground Freezing Technology to Paradise

GeoTek Hawaii was recently retained by Drayko Construction in Honolulu, HI, to complete an innovative project for the City and County...

Probing Times Fall 2016
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Very little head room. The vertical work space for this 7822DT was only 13 feet, but it was enough for Hynes & Associates to collect foundation information for structural modifications for the building.
Limited Head Space for 7822DT

Hynes & Associates, in Salisbury, MD, recently completed another difficult drilling project using a Geoprobe® 7822DT...

Probing Times Fall 2016
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GeoTest Services collected approximately 30-in. long concrete cores with a 420M as part of the project for five limited access borings at the University of Houston inside the main auditorium of the Hofheinz Pavilion. The concrete coring was through hard rock aggregate concrete found in the older structures in Houston.
GeoTest Services in San Antonio Knows How to Dial In...Limited Access Machines

GeoTest Services in San Antonio, TX, completed five limited access interior borings to +/- 20 feet at the University of Houston Cougars...

Probing Times Fall 2016
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54TR mounted on Kubota BX2370 subcompact utility tractor.
54TR Mounting Options

Are you looking for a limited access, specialty direct push machine? Our 54TR combines the proven 54 Series probe assembly...

Probing Times Fall 2016
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Vladislav Knytl is the MIP Operator for Dekonta.
MIP Logging Used to Investigate Site Contaminated by Mixture of VOCs

Dekonta company, a central/eastern European environmental company in Prague, completed both research and commercial activities...

Probing Times Fall 2016
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Figure 1: Background Log -  Purple = Corrected HPT Pressure; Black = EC; Orange = Groundwater Specific Conductance; Yellow = Sodium; and Green = Chloride.
Using HPT Logs for Identifying Brine Impact on Fresh Water Aquifers

Last summer Wes McCall and Geoprobe® summer intern Mateus Evald conducted field tests with the Hydraulic Profiling Tool–Groundwater...

Probing Times Fall 2016
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Cross-section of HPT logs showing HPT pressure (green) and EC. Cross sections like this are useful in high resolution site characterization (HRSC).
Geoprobe® DI Team Posts HPT Logging Services Specification

Hydraulic Profiling Tool (HPT) Logging is getting a lot of use these days. HPT logs are a good tool for evaluating site stratigraphy...

Probing Times Fall 2016
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Gert Ghysels, PhD. student at the Department of Hydrology and Hydraulic Engineering at Vrije Universiteit Brussel.
Riverbed Characterization on Aa River in Belgium

Students and a Professor from the Free University of Brussel (Vrije Universiteit Brussel) used a Geoprobe® Pneumatic Slug Test Kit to perform slug tests inside the Aa...

Probing Times Fall 2016
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7822DT - Before
Machine Refurbish Makes Good Cents

The timing is right for 7822DTs, 8040DTs, and even some sonic rigs to come in for a refurb or repairs, especially if you continue to run one of the older...

Probing Times Fall 2016
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Regular fuel system maintenance is important for a happy machine. Remember: NEVER pre-fill a fuel filter for your Geoprobe® rig, and ALWAYS fill your rig’s fuel tank at the end of the day.
What’s an easy way to keep your Geoprobe® machine running at peak performance?

We get calls every week, “the engine cranks but will not start or will not run well.” The number one cause is improper fuel system maintenance...

Probing Times Fall 2016
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The bike group
The Bikes on Broadway

Ever present on the North Campus of Geoprobe Systems® (located on Broadway Blvd) but seldom seen by the public, these men and their ‘machines’ ride...

Probing Times Fall 2016
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