1. Environmental
Drilling Professionals
220 North East Street
Woodland, CA 95776
P: (530) 661-3600
C: (530) 681-3198
Tuan@PeneCore.com
www.PeneCore.com
Exceeding
Expectations
Geoprobe Direct Push Technology
Hollow Stem Auger Drilling
Monitoring Well Installation
Soil Sampling
Groundwater Sampling
Well Abandonment
Remedial Injection
Soil Vapor Sampling
Pressure Grouting
Concrete Coring & Flat Saw
Air Knife
We look forward to earning your business.

2. SERVICES
CONCRETE CORING & FLAT SAW
CONCRETE CORING (4’’-14’’)
DIRECT PUSH TECHNOLOGY (DPT)
DUAL-TUBE AND MACRO-CORE SOIL
SAMPLING
~HYDROPUNCH GROUNDWATER SAMPLING
~TEMPORARY WELL INSTALLATIONS
~PRE-PACK WELL INSTALLATIONS
~SOIL GAS SAMPLING
(POST RUN TUBING, VAPOR PROBES, SUB-
SLAB, PASSSIVE)
~REMEDIAL INJECTION
HOLLOW STEM AUGER (HSA)
WELL INSTALLATIONS (2’’ & 4’’ DIAMETER
WELLS)
SOIL SAMPLING
WELL ABANDONMENT
PRESSURE GROUTING
OVERDRILLING
SITE MAINTENANCE
WELL BOX REPAIRS AND REPLACEMENT
PeneCore’s capabilities include:
Soil Sampling, Soil Vapor Sampling, Pre-Packed Well
installations, Monitoring Well Installations, Well
Abandonment, Pressure Grouting, Well Development,
Limited Access Drilling, Air Knife, Concrete Coring, and
Technician Services.
Please feel free to contact Tuan Nguyen with any of
your environmental drilling needs. You may also visit
our website at www.penecore.com.
Flexible solutions for
all your environmental
needs
“YOU ARE GETTING UNMATCHED SERVICE
AND SUPPORT THAT YOU WON’T FIND
ANYWHERE ELSE.”
PeneCore offers a full range of Hollow
Stem Auger equipment
Including a High Torque CME 75 Drilling rig.
The high torque CME-75 offers up to 12,950 foot pounds
of torque for powerful and efficient drilling in most
conditions. With a compact foot print our CME-75
provides clients with a great everyday option for sampling
and well installations up to 6’’ in diameter.
• Up to 12’’ Borehole
• Well Installations up to 6’’
• Hydraulic Vertical Drive System
• 12,950 ft lbs of Torque
• Well Destruction
PeneCore offers a limited Access Rig
Geoprobe model 420M
The limited access rig is perfect for those tight drilling
needs. It is equipped with reliable GH42 soil probing
hammer and stabilization outriggers. The limited access
rig performs the same operations as larger probes
including concrete drilling, soil and groundwater sampling,
and conductivity logging. The machine weighs less than
425lbs. It has a compact size of 35’’ long X 29’’ wide X 32’’
high.
PeneCore Drilling provides the best in Air
Knife Equipment
With our Vacmasters 4000 air knifing rig. Our Vacmasters
4000 provides clients with the ability to use
Our Services
Environmental Drilling at its best, our goal is to exceed
your expectations no matter the project size. Our
equipment speaks for itself whether the project has
limited access or in the middle of a field we have the
right equipment and experience to provide you with
exceptional drilling services.
high pressure air to safely
clear boreholes prior to
drilling while minimizing
IDW. The system also has
the ability to use high
pressure water as an
alternate solution for
challenging digging
conditions. With the
Vacmasters 4000 we can
safely and efficiently clear
boreholes ranging from 3’’
to 30’’ diameter.
California Contractor’s License
C-57 License# 906899
California Public Utilities Commission
Certification# 9K00058
Industry Affiliations
National Groundwater Association
California Groundwater Association
Groundwater Resource Association
Society of American Military Engineers
About Us
EXCEEDING EXPECTATIO NS
PeneCore Drilling is a California based environmental
drilling company specializing in Direct Push and Hollow
Stem Auger drilling technologies. PeneCore’s
management team and field crews have the experience
clients need to complete projects safely and efficiently.
Our crews mobilize from Sacramento to support drilling
projects. PeneCore is a Certified Minority Business
Entity (MBE) and a Certified Small Business.
Tuan Nguyen, CEO
“Thank you for a great job done, your
crew worked safely and efficiently. We
are looking forward to having PeneCore
take care of our next drilling needs.”
~Corporate Oil Company
PeneCore Drilling featured in Geoprobe’s April
2014 Newsletter. 100 Club Membership.
Founded in 2009