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  • Compass directional Guidance, Inc.
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14427 Interdrive W, Houston, TX 77032

Ph: +1(281)442-7484

Fax: 832-230-2145

MWD Kits


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Our field-ready mud pulse MWD kits are complete, modular systems. They are designed and packaged for easy assembly, use, and transport, while providing all of the critical features and options you would expect at a very cost-effective price. All MWD kits can be customized to fit your requirements.


MWD Kits Include:

  • Downhole Components

    • Directional Modules

    • Pulsers

    • Batteries

    • Interconnects

    • UBHO Subs

    • Muleshoe Assemblies

  • Surface Gear

    • Computers

    • Displays

    • Cables

    • Tool Stands

  • Fishing/Handling Tools

  • Consumables

  • Hand Tools

  • Testing Equipment

  • Transducer Assembly

  • Battery Back-Up

  • Computers w/ Software & Accessories (Printers, Cables, Paper)​​

MWD Kit Features:

  • Retrievable design can be reinserted without tripping

  • Critical hardware redundancy

  • Adaptable tool configuration and programming flexibility

  • Selection of operating mode without tripping

  • Easy-to-see Rig Floor Monitor with variable screen display and Safe Area Interface

  • Long downhole life, low maintenance

  • Easy-to-use, Windows® based software/firmware communication system

  • Long battery life, low power consumption


Related Datasheets:
MWD System Flyer
Directional Module
Compass Stepper Pulser
Solenoid Pulser
Battery Module
Gamma Module
EM/MWD System
Compass Receiver & Display
Wireless System & Display

EZ-Link Connection MWD Kits


Compass has developed a new connector system, EZ-Link. The unpredictable alignment of the standard connector has been eliminated. The interconnect has been replaced with the centralizer incorporated into the applicable module. This centralizer is very low cost versus what is standard on the original design. It also eliminates the ability to bend pins which lead to bad connections and are very often the cause of failures. The fewer connections, the higher the reliability.

The following pictures illustrate the new system. The sockets in which the pins go are floating to minimize the risk of bent pins or worn out pins and sockets that have historically been an issue in the old design. There is no issue with alignment as the pins are automatically aligned perfectly, making assembly of tools quick and easy. 
A special tool is required to install the rubber fins in this design, which is justifiable due to the much lower cost of the rubber fins, along with the lowered risk of failures.



Slim Hole MWD Kits

Compass’ own Slim Hole MWD System is capable of providing Directional and Gamma Ray services in many types of wells, including short-radius wells, at build rates not previously available through conventional MWD technology. It is the perfect tool for re-entry of wells where small production strings are used. For deeper drilling applications, the tool will facilitate keeping pressure losses to a minimum and flow to a maximum, for better cleaning and cooling. The tool has a long downhole life and is low maintenance, as well as having long battery life and low power consumption.


The tool is 19.7 ft in length and 78 lbs (directional only) and 23.1 ft in length and 83 lbs (directional + gamma). The tool OD is 1-3/8″.

Download Datasheet


MWD Surface Systems

Rig Floor Computer

Combining the latest in signal processing, noise cancellation, adaptive and digital communication technologies. Compass’ receiver systems provide you with the most advanced and cost-effective solutions for numerous difficult MWD applications, including deep drilling, high ROP drilling, and other applications such as logging-while-drilling capability.


Compatible with popular MWD tools and transducers.


Rig Floor Display

Rig Floor Display is designed with one goal in mind: to provide the driller with real-time drilling information that is easy to view in order to know exactly what is happening hole.


The driller and directional driller on the rig floor are the primary users of the system, so if recommendations are passed, they must be in terms of actions that can be made with the rig controls to improve performance.


To achieve the best possible drilling performance results with the system, a key requirement is the ability to combine real-time data to generate answers and drive recommendations at the rig floor by the use of Rig Floor Display.


Rig Floor Display depends on the clarity and visual appeal of the screens, with the ability to rapidly customize them to suit local environments. Regardless of the weather conditions the data can easily be seen.


Related Datasheets:



Compass over-molded MWD cable assemblies are designed for the rough drilling environments. Our cables are proven to reduce cable noise and prevent data loss.  Customizable to lengths up to 300 feet, if needed.


EM Cables & Accessories

The EM systems are used in the MWD applications because of their low service requirements (no moving parts), speed of data transmission, and independence from drilling fluids on the transmission of data. Below are key components available from Compass:

  • Surface Wiring

  • Antennas

  • Ground Rods

  • Gap Subs


Related Datasheets: