Halliburton Introduces CoreVault™ System

First-of-its Kind Technology Delivers Early, Accurate Volume Measurements in Unconventional Resource Plays

HOUSTON – Aug. 25, 2014 – Halliburton's Wireline & Perforating business line (NYSE: HAL) today introduced the CoreVault™ system, a unique solution that provides a more accurate volumetric picture of the amount of oil and gas trapped in unconventional reservoir rocks. The system for the first time allows operators to contain and bring the reservoir fluids within rock samples to the surface, allowing for measurement of the volume of hydrocarbons-in-place.

David Topping, vice president of Wireline & Perforating, explained that "prior to the development of the CoreVault system, when traditional coring tools were used to bring samples to the surface, they allowed 50 to 70 percent of the hydrocarbons to escape from the rock as the samples depressurized. Building a model of the volume of oil and gas in a reservoir thus required operators to estimate this fluid loss rather than measure the fluids in place, and estimates were often inaccurate. By preserving 100 percent of the fluids within the core sample, the CoreVault system allows for an improved understanding of potential production within the reservoir."

The CoreVault system builds on the capabilities and reliability of the Halliburton Hostile Rotary Sidewall Coring (HRSCT-B™) Tool that recovers 1.5-inch-OD cores at temperatures up to 400°F (204°C) and pressures up to 25,000 psi. The CoreVault system, when combined with the HRSCT-B tool, allows up to 10 cores to be sealed at reservoir conditions in a single wireline run, saving time over full-hole coring and allowing more targeted samples to be taken.

Don Westacott, chief advisor, Global Unconventional Reservoirs, said, "The samples taken with the CoreVault system often reveal dramatically more oil and gas in place than previous estimates would indicate. The information obtained can significantly enhance economic value and reduce exploration and development risk for our customers." An operator in Ohio and West Virginia used the system to retrieve 150 samples in five wells, with measurements of the samples showing 2.5 times more oil and gas in place than had been previously estimated.

For more information and a video explaining how this new technology works, please visit our CoreVault system website.


Founded in 1919, Halliburton is one of the world's largest providers of products and services to the energy industry. With more than 80,000 employees, representing 140 nationalities in approximately 80 countries, the company serves the upstream oil and gas industry throughout the lifecycle of the reservoir – from locating hydrocarbons and managing geological data, to drilling and formation evaluation, well construction and completion, and optimizing production through the life of the field. Visit the company's website at www.halliburton.com. Connect with Halliburton on Facebook, Twitter, LinkedIn, Oilpro and YouTube.

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