Real-Time Analysis of Fluids
in the Process Pipeline

The OLR utilizes a unique implementation of squeeze flow technology providing a quick and rich measurement of the elastic and flow properties of the fluid. The operator can then make informed process decisions about the quality of the material in the pipe and make appropriate changes.

Your Complete Oilfield Testing
Equipment Solution

We strive to be an indispensable resource to our customers by truly understanding their business, responding to their requests, and by becoming the recognized leader in instrument technology and service.

previous arrow
next arrow
  • Dynamic Filtration Testing

    Traditional filtration testing has always been limited by testing static conditions. Yet most of the time, drilling fluid is circulating through the wellbore. The movement of the fluid can have significant effects on the filter cake that are not measured by static filtration tests. The OFITE Dynamic HTHP Filter Press (#170-95) is designed to correct this oversight. A shaft and paddle extend down into the test cell and circulate the fluid during a test. The speed is adjustable, and the motor can be started and stopped periodically to better simulate drilling conditions. This instrument also includes an integrated cooling system. When the test is complete, water or coolant can be circulated around the cell body, quickly cooling the cell to safe temperatures inside the heating jacket. Once the cell is cool, you can then safely release pressure and remove the cell without risking injury or ...

  • Evaluating Lubricity

    Excessive torque and drag is a common problem in the drill string. It can cause a variety of problems that negatively impact well efficiency. The primary cause of often mechanical friction between the wellbore and tubulars. The solution is usually to add lubricants to the drilling fluid. Prior to choosing any lubricant, it is important to evaluate all available options to see which one lubricates the best and has the best chemical compatibility with the drilling fluid. The most direct test method involves determining the coefficient of friction of the base fluid and comparing it to the coefficient of friction with the lubricant. The Lubricity Evaluation Monitor (LEM) is the most versatile instrument for testing the coefficient of friction of drilling fluids. During a test, a wellbore or casing sample is pressed against a rotating steel bob while immersed in a circulating bath of test f ...

  • Introducing the OLR OnLine Rheometer

    Real-Time Analysis of Fluids in the Process Pipeline. The OLR utilizes a unique implementation of squeeze flow technology providing a quick and rich measurement of the elastic and flow properties of the fluid. The operator can then make informed process decisions about the quality of the material in the pipe and make appropriate changes. The OnLine Rheometer (OLR) is designed to continuously measure, plot, and report the rheological properties of drilling, completion, and fluids within a system. The OLR uses a squeezeflow technique; it measures storage and loss moduli by imposing a small cyclic deformation on a liquid sample at a variety of frequencies, from 1-100 Hz. Quality control parameters and user interface are based on η* (complex viscosity [Pa s]), as measured by the OLR. The response of the liquid is measured and displayed in terms of G’ (storage modulus [Pa]), G” (loss ...

  • New Partnership with Teledyne ISCO

    OFITE is excited to announce a new partnership with Teledyne ISCO to distribute ISCO pumps to the energy industry in North America. Teledyne ISCO manufactures industry-leading syringe and reciprocating pumps for a wide range of applications. These rugged, do-anything pumps solve your toughest fluid delivery problems, from micro-flow to scale-up and pilot plant, pumping corrosive liquids, and safe operation in explosive atmospheres with the HLf Series. ​ Teledyne ISCO D-Series precision syringe pumps give you flow and pressure control throughout a broad operating range. D-Series syringe pumps can be metered with great accuracy and do not exhibit pulsation or flow anomalies typically associated with other pump types. The ReaXus reciprocating pump product line provides many options to meet your application needs. If space is tight, constant pressure is required, continuous flow is a key p ...

  • OFITE and Sequoia Scientific Deliver LISST-Portable|XR’s for Oil & Gas Drilling in the North Sea

    OFITE and Sequoia Scientific, Inc. have completed delivery of two LISST-Portable|XR instruments to Norway for use in the North Sea. The technology is commonly used to accurately monitor size changes to particles found in drilling fluids. The LISST-Portable|XR allows analysis of particle size distribution and concentration data during the active drilling process, completed at the rig and often under rugged environmental conditions. Dependable real-time data is critical and allows operators to see anomalies in the distribution curve which may indicate a failure or alert them to take-action if a threshold is crossed. Using industry proven laser diffraction secured inside an impact resistant enclosure, the LISST-Portable|XR allows operators to obtain lab quality data in the field, learn more here. OFI Testing Equipment with offices in Houston, Texas and Dubai, UAE supports the global drill ...

View more blog entries


We offer a complete line of products for testing the physical and chemical properties of drilling fluids, cement, and reservoir cores. Choose a product line below to learn more.


Using the resources we have developed over the last 30 years, we strive to offer innovative solutions beyond our products.


We have been providing outstanding service to the industry for over 30 years. We repair, maintain, and calibrate our products, as well as products from other manufacturers.


With over 30 years in the industry, we are able to provide quality training on our equipment as well as relevant industry topics.

Your Complete Oilfield Testing Equipment Solution

For over 30 years OFI Testing Equipment (OFITE) has provided instruments and reagents for testing drilling fluids, well cements, completion fluids, and wastewater. In addition to these product lines we also offer a range of instruments for core analysis. From our manufacturing facility in Houston, TX we provide customers all over the world with quality products and exceptional service.

Our drilling fluids testing equipment product line includes innovative designs such as the Model 900 Viscometer, which showcases our ability to develop new technology to meet customer and industry demands. We also offer Retorts, Aging Cells, Roller Ovens, Mud Balances, Filter Presses, and all other instruments required to evaluate drilling fluid properties according to API Recommended Practice 13B-1 and 13B-2.

Our cement testing equipment product line includes innovative designs such as the Static Gel Strength Measurement Device (SGSM), a true OFITE innovation. We also offer Ultrasonic Cement Analyzers (UCA), Constant Speed Blenders, Automated HTHP Consistometers, and all other instruments required to evaluate cement properties according to API Specification 10.

Our extensive line of core analysis equipment includes equipment for preparing core samples, routine testing, and advanced analysis.