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Posted on in New Products

The Ultrasonic Cement Analyzer (UCA) uses the change in velocity of an acoustic signal to determine the compressive strength of a well cement over time. The Static Gel Strength Measurement Device (SGSM) uses a vaned bob submerged in the slurry to determine the static gel strength over time. Together, these two instruments provide a more complete picture of the physical properties of a well cement as the slurry sets.

The all new Model 4005 Automated Twin Cell UCA with optional SGSM automatically controls the temperature and pressure in each cell independently, bringing a new level of precision and control to your cement lab. With the new touch-screen display, you can now run an entire test in standalone mode, without the need for computer software, although the software is still included with the instrument.

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Posted on in Tradeshows

OFI Testing Equipment, Inc. will be exhibiting at the Abu Dhabi International Petroleum Exhibition and Conference November 13 – 16 at stand 7432 hall 7. Stop by and see our Model 2040 Automated HTHP Consistometer, which tests the thickening time of oilwell cement at up to 40,000 psi and 500°F. We will also be showing our single cell Ultrasonic Cement Analyzer and Static Gel Strength Measurement Device (which measure the compressive strength and gel strength of cement over time).

We will also be discussing our partnership with Salunda Limited to distribute the new MudChecker, a solid state probe that measures the oil, water, and solids content as well as salinity of oil based drilling fluids in just a few minutes. A Salunda representative will be on hand to answer questions and provide hands-on demonstrations. We are excited about the opportunity to bring this new technology to the drilling fluids testing industry.

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Posted on in Knowledgebase

Cement slurries that are placed in gas bearing formations as part of the well completion process are at risk of gas migration under the right conditions. Gas migration refers to the annular flow of natural gas from the formation up through the cement column. As the gas moves through the cement matrix, it carves a channel that becomes permanent once the cement sets. This permanent channel becomes a conduit that allows for natural gas to continuously bleed from the formation.

After cement placement operations have stopped, the cement slurry begins to develop gel strength under static conditions. The amount of gel strength development and the speed at which it occurs are two of the main factors that describe a cement slurry’s ability to resist gas intrusion. Generally, gas intrusion begins when cement slurries develop 100 lbf/100 ft2 (48 Pa). Gas intrusion ends when the cement develops 500 lbf/100 ft2 (240 Pa). The transition time is defined as the time it takes the slurry to go from 100 lbf/100 ft2 (48 Pa) to 500 lbf/100 ft2 (240 Pa). The shorter the transition time is, the less risk there is for the cement sheath to lose well control.

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Posted on in New Products

Model 4020-SG Automated UCA/SGSM

The all new Model 4020-SG Automated UCA/SGSM is a revolutionary instrument that combines two powerful cement measurement methods into a single, easy-to-use device. First, the UCA provides a non-destructive method of testing the compressive strength of a well cement. Second, the SGSM directly measures the static gel strength of the slurry. And both are combined to create the only self-contained Ultrasonic Cement Analyzer / Static Gel Strength Measurement (UCA/SGSM) device on the market.

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Posted on in New Products

Cement Static Gel Strength Measurement DevicePrimarily intended for use in the oilfield industry, the OFITE Static Gel Strength Measurement Device (SGSM) is designed to measure the gel strength development of cement after pumping operations have ceased. The unique design of the SGSM, combined with the advanced data acquisition software, provides users with a true mechanical static gel strength measurement.

 

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