Downhole Probes
Mount Sopris offers the widest range of slimline downhole probes in the industry. Designed to standup to the harshest borehole environments, our small diameter sondes are also surprisingly lightweight and easy to handle. Most probes come in both stand-alone and stackable versions, saving you time and money. Please check out our standard probes below which are organized by measurement type. Don’t hesitate to Contact Us for assistance in selecting the best tools for your application.
Electrical
QL40-ELOG – Electrical Resistivity
Description The QL40-ELOG digital probe measures 8, 16, 32 and 64 inch normal resistivity, single point resistance (SPR) and spontaneous potential (SP) simultaneously. Users can log resistivity profiles with different depths of investigation and gain information about...
40GRP – Gamma + Resistivity
Description The 40GRP-1000 combination probe is ideal for slimline, one-pass, hydrogeological studies, lithology work, uranium exploration, and general borehole formation data. The totally digital probe combination measures 16, 64 inch (0.4, 1.6 meter) normal...
QL40-DLL3 – Dual Laterolog
Description The QL40-DLL3 Dual Laterolog tool provides a time multiples dual spacing focused resistivity measurement with two different depths of investigation, Shallow LL3S and Deep LL3D resistivity in Ohm.m. It is characterized by an excellent vertical resolution in...
QL40-IP – Induced Polarization
Description The QL40-IP Induced Polarization probe combines a quadruple spacing normal resistivity tool and dual spaced induced polarization tool to measure the electrical resistivity, spontaneous potential and chargeability of rocks. A high chargeability response is...
40LGR – Gamma + SP + SPR
Description The 40LGR-1000 Gamma, SP, and SPR probe is the most fundamental probe used in hydrogeological studies, lithology work, uranium exploration, and general borehole formation data. The totally digital probe combination measures single point resistance,...
Gamma
QL40-SGR-2G – Spectral Gamma
Description The QL40-SGR-2G is a new generation of borehole logging Spectral Gamma Tool. This new logging probe consists of a completely redesigned and ruggedized mechanical assembly, electronics and gamma module. It implements also the latest telemetry developments...
QL40-GR – Natural Gamma
Description The QL40-GR probe measures the amount of gamma radiation occurring naturally within the formations crossed by a borehole. Gamma rays are produced mainly by isotopes of potassium, thorium, and uranium. The gamma log is widely used in the groundwater and...
QL40-GR-CCL – Casing Collar Locator
Description The QL40-GR-CCL is a combination of a natural gamma ray (GR) assembly and casing collar locator (CCL). The natural gamma ray (GR) module measures the amount of gamma radiations occurring naturally within the formations crossed by a borehole. A...
2GHF-1000 – Triple Gamma
Description The 2GHF-1000 Triple Gamma Geiger probe was designed specifically for use in Uranium Exploration and Production. It measures natural gamma radiation from a Sodium Iodide scintillation crystal and a ZP1320 High-flux Geiger-Muller tube pair with...
32GR – Slim Natural Gamma
Description The 32GR probe is a new generation slim gamma logging tool from Mount Sopris Instruments. It is all digital with newly upgraded electronics, has a slim 32 mm (1.25") diameter, and measures the amount of gamma radiation occurring naturally within the...
19GR – Nano Gamma
Courtesy of Geosyntec Consultants Description The 19GR Nano Gamma is the slimmest downhole gamma probe in existence today. At only 19.05 mm...
QL43-ABI – Acoustic Televiewer
Overview The QL43 ABI is the latest generation of acoustic televiewer. Based on more than 10 years of experience and market leadership with BHTV technology, the new system consists of a completely redesigned acoustic head and new electronics in order to meet oil...
New! MSI-360 Digital Camera
The MSI-360 Digital Camera is the first of its kind in our industry! This is the first fully digital camera that works on up to 2000 meters (6562 ft) of standard 4-conductor wireline and displays high resolution downhole and side-view video in real time at the surface.
QL40-ABI-2G – Acoustic Televiewer
Description The QL40-ABI-2G is the latest generation of acoustic televiewers based on 20 years of experience and market leadership. The new system consists of a completely redesigned acoustic sensor and new electronics. The acoustic borehole imager records a...
QL40-OBI-2G – Optical Televiewer
The New 2nd Generation Optical Televiewer is Here! Description The QL40-OBI-2G and OBI40GR-2G are the new generation of Optical Borehole Imagers. The new televiewer comprises a completely redesigned optical assembly with new electronics. It implements a high...
Sonic
QL40-FWS – Full Waveform Sonic
Description The QL40-FWS Full Waveform Sonic tool is used extensively in the groundwater, mining, and geotechnical industries. Sonic logs are widely employed, often in combination with other logs, to provide porosity, permeability, and geo-mechanical properties. This...
Fluid Properties
QL40-SFM – Spinner Flowmeter
Description The QL40-SFM Spinner Flowmeter probe measures impeller rotation caused by groundwater flow in the borehole. It uses a magnetically coupled pick-up which drives a low friction, high resolution encoder located inside the lower pressure housing. The encoder...
QL40-OCEAN – Water Quality
Description The QL40-OCEAN Idronaut Ocean Seven 303 probe combines a multi-parameter sensing unit manufactured by Idronaut srl, Brugherio, ITALY. This water quality probe is specifically designed for groundwater and environmental investigations. It uses reliable,...
QL40-FTC – Fluid Temperature + Conductivity
Description The QL40-FTC, QL40-FTC-I, and 40FTC probes provide borehole temperature and fluid conductivity measurements. The standard temperature log, based on a thermister, is designed to provide a measure of the ambient geothermal gradient...
HFP-2293 – Heat Pulse Flowmeter
Description The HFP-2293 Heat Pulse Flowmeter is a unique flowmeter tool designed to measure low flow rates in the borehole environment. It will also give the direction of the flow of fluid vertically. To detect these low flow rates, measurements must be made while...
BHFS – Fluid Sampler
Description The BHFS probe is a discrete point fluid sampler tool. The probe is lowered to a specific interval within the borehole and the piston is opened. Once the 1 or 2-liter sample chamber is filled, the piston is closed, and the probe is brought to the surface....
Magnetic Resonance
QL40-BMR Borehole Nuclear Magnetic Resonance
Borehole Nuclear Magnetic Resonance (NMR or BMR) is an advanced geophysical logging tool available for rent from Mount Sopris in collaboration with NMR Services Australia (NMRSA) . This tool provides an accurate characterization of pore structure in the subsurface by...
Electro-Magnetic
QL40-IND – Dual Induction
Description The QL40-IND Dual Focused Induction probe provides two simultaneous conductivity logs, corresponding to “Medium” and “Deep” radii of investigation into the borehole. The two depths of penetration are useful in porous, permeable formations where...
QL40-HM – Magnetic Susceptibility
Description The QL40-HM borehole magnetic susceptibility tool is typically used in mining, geotechnical, and lithology applications. All electronic circuitry resides in a high strength non-magnetic enclosure. The operating frequency is chosen to be sufficiently low to...
Deviation and Mechanical
Axis Champ Gyroscopes
Mount Sopris is proud to be the distributor of Axis Champ Gyros in the United States. The Champ Gyro is an innovative North Seeking solid state gyro system that allows users to take high accuracy singleshot, multishot or orientation measurements at the push of a button.
QL40-CAL – 3-Arm Caliper
Description The QL40-CAL Caliper probe records a single continuous borehole diameter log by means of three mechanically coupled arms in contact with the borehole wall. The 3 arm caliper measurement is a useful first log to determine the borehole condition before...
QL40-DEV – Borehole Deviation
Description The QL40-DEV Borehole Deviation probe measures the direction relative to magnetic north, inclination and trajectory of the borehole. Measurements are based on the “Applied Physics Systems” 544 orientation sensor containing both a 3-axis fluxgate...
Nuclear
QL40-DEN – Dual Density + Caliper
Description The QL40-DEN Compensated Density & Caliper probe is a versatile wireline tool that can be used in a wide variety of logging applications. Measurements include SSD (short-spaced density), LSD (long-spaced density), Compensated density (dual density),...
QL40-NEU – Neutron Thermal Neutron
Description The QL40-NEU neutron probe utilizes a He-3 thermal neutron detector. It measures Neutron porosity in counts per second, which can be directly related to the porosity of the formation. The probe has been carefully designed to maximize the detector...
32DEN 4-Pi – Gamma-Gamma Density
Description The 32DEN 4-Pi Gamma-Gamma Density tool can be used to collect quantitative (when calibrated) density information of the material surrounding the borehole. It is most commonly used for geotechnical assessment of cement pile access tubes. Plots which graph...
Tools In Development
QL40-nGEN – Neutron Generator
Description Mount Sopris Instrument Company, together with Starfire Industries LLC, are developing a new neutron probe that eliminates the use of radioactive materials for neutron production. This innovative solution will provide a welcome addition for well loggers...
QL40-SIP – Spectral Induced Polarization
Description Mount Sopris Instrument Company, together with Ontash & Ermac and Rutgers University, are developing a new borehole probe based on Spectral Induced Polarization (SIP) technology. This SIP probe is directly relevant for subsurface investigations in...
