MWD & Downhole Tools

For more information on any of our products or services please call us at the number above or click here for a quick quote:

MWD & Downhole Tools

For more information on any of our products or services please call us at the number above or click here for a quick quote:

Products and Solutions

With more than 25 years of Innovative and Reliable products and Design Solutions for the Upstream Oil and Gas Industry, CBG offers a complete line of downhole tools including MWD/LWD Gamma, Wireline Production Logging and Casing Inspection tools.

CBG is the leading worldwide supplier of downhole tools with its line of MWD/LWD gamma tools. The probe based NGT-T gamma tool is the industry standard. Originally designed for the first Tensor MWD system in 1993, it continues to lead the way in measuring naturally occurring gamma radiation emitted from the formation surrounding the drill bit.

Small diameter scintillator gamma tools are meeting the design requirements for newer Collar Mounted applications. The NGT-075 is the smallest diameter scintillator gamma on the market at only ¾” OD. The NGT-CSX at 1.05” OD is still small enough to be mounted within the drill collar but with a higher sensitivity.

CBG also supplies Directionally sensitive or “focused” gamma tools such as the DGA and the new Dual-Detector, DDG for Azimuthal gamma measurements.

In addition to our catalog of standard CBG gamma tools, we are ready to work with your engineers to develop custom designed solutions to meet your specific requirements. We have designed and currently manufacture more than 15 custom gamma tools for customers around the globe.

Prior to focusing our attention on Measurement While Drilling and Directional Drilling tools, we designed and began supplying a complete suite of Production Logging tools. Consisting of a string of individual tools and sensors each connected together via GO single-pin connectors, the PL string provides a full set of measurements in any combination of oil, gas and water in producing wells. Consisting of standard measurements like Pressure, Temperature, Density, Capacitance and Flow, the PL string also provides accurate depth correlation with Gamma-Ray and Collar Locator sensors.

More than simply detecting the presence of casing collars, the patented ICL, Induction Collar Locator also serves as a casing inspection tool. An electromagnetic measurement utilizing the technique of remote field eddy current testing (RFT), measures other mechanical features of the casing such as wall thickness variations caused by corrosion or perforations.

Expanding on the success of the ICL, CBG developed a larger scale version of the tool for large diameter water-well casing inspection, the CITM or Casing Inspection Thickness Measurement tool. It is the only water-well casing inspection tool capable of simultaneously measuring casing weight, internal casing diameter, collars, centralizers, perforations and internal or external corrosion. The CITM provides valuable information on casing irregularities often missed by video surveys.

As Directional Drilling continues to push the limits with faster ROP and longer laterals, MWD tools must also continue to improve to meet these challenges. CBG goes to great lengths to insure their products are reliable and up to the challenge with advanced in-house testing. Utilizing the recently installed HASS environmental test chamber, every CBG product is subjected to extensive temperature and vibration testing to insure reliable performance from the start of the job through its completion.

Pictured above: Thermatron AST-35 HASS chamber with RSL-16-SCI multi-axis repetitive shock vibration system testing 8 CBG gamma tools

Enhanced Reliability Tests

Introducing CBG’s latest commitment to insuring the most reliable downhole tools on the market. The recently installed Thermatron HASS chamber enhances our ability to more accurately simulate real downhole environments with simultaneous 3-axis vibration and temperature profiles. Every CBG downhole tool is tested under severe conditions to insure their reliable success during drilling or logging operations. No other equipment supplier takes their products reliability more seriously than CBG.

Gamma Tools

MWD/LWD probe and collar mounted scintillator gamma tools

Production Logging Tools

Pressure, Temperature, Collar Locator, Gamma, Fluid Density and Capacitance, Flow with single-conductor high speed telemetry

Casing Inspection Tools

Measurements of casing weight, internal casing diameter, internal or external corrosion, perforations in small diameter Oil & Gas production or large diameter water-well casing.

Custom Designs

CBG will design a custom MWD gamma tool to meet your unique specifications. Whether a modification to an existing tool design or an entirely new model, our Engineers will work with you to design exactly what you need.

Service

Calibration, Maintenance and Repair. High level performance testing.

World Leader in MWD Sensors

CBG is the largest supplier of Measurement While Drilling (MWD) Gamma Tools, with more than 20 models and over 7500 tools in operation worldwide.  Originally designed for the Tensor MWD system in the early 90’s, the NGT-T gamma tool was the first of its kind available to the independent Directional Drilling industry.  With more than 150 companies worldwide currently using the NGT-T gamma tool, it remains the most reliable and economic tool in the industry.

Our Tools Have Been Used All Over The World

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