PraOil - Pipeline leakage detection test completed with Smartec's fibre optic solution

    ST-LAMBERT, QC, Oct. 9 /CNW Telbec/ - Smartec SA, a wholly owned
subsidiary of Roctest Ltd (TSX: RTT) announced today that it has provided, in
conjunction with the Italian company Electronic News Srl, an on-field leakage
detection test exclusively based on fibre optic technology. The demonstration
test was successfully performed during June 2007 at the PraOil premises in
Sannazzaro de' Burgondi (Italy). PraOil Company is a subsidiary of ENI, the
Italian National Company for oil & gas exploitation and supply.
    An optical fibre sensing cable (250m length), containing two optical
fibers, was buried in a small layer of sand at approximately 1.5 m below
ground. Successively, a polyethylene pipe was placed above the cable, in a
serpentine, and provided with taps allowing a controlled injection of water in
the ground. Several taps were installed with varying horizontal and vertical
distances to the sensing cable. Each tap was also instrumented with a
flowmeter to assess the leak volume and capacity. The temperature of the
injected water could also be adjusted to simulate different operational
conditions. This test simulates leakage along a pipeline with a diameter
between 12 and 32 inches and a flow rate between 300 and 3 500 cubic meters
(m3) per hour. Average flow rate of the leakage is 0,6 m3 per hour,
corresponding to a detected leakage of 0,1-0,01% of the transported volume.
This is significantly better than any available volume balance method
currently available. Detection time was between 1 and 80 minutes and the
accuracy in leakage localization was better than 2m. In a particular test, the
temperature difference between fluid and ground was only 4 degrees C, but the
detection time remained in the order of one hour for a leakage of 0.01%.
    Smartec SA has also signed an agreement with Electronic News Srl, an
Italian system integrator mainly specialized in industrial applications, for
the commercialization in Italy of the leakage detection solutions based on the
DiTemp distributed temperature system.
    "Smartec has a long experience in monitoring many civil and industrial
structures. This was the first time that we carried out a full scale dedicated
demonstration test for leakage detection. Our systems will contribute to
real-time diagnosis of oil & gas pipelines with particular reference to the
localization of every possible leakage", said Nicoletta Casanova, CEO of
Smartec. "This successful y performed test has confirmed the quality of the
Smartec solutions. We believe that Smartec technologies will continue to be
implemented in numerous applications in the oil & gas field and contribute to
Roctest Group's growth in new and challenging market segments", added François
Cordeau, President and CEO of Roctest Ltd.

    About Roctest

    Roctest designs, manufactures and markets sensors and high-precision
measuring instruments for the civil engineering, energy, healthcare and
industrial control markets. The Company is recognized for its leading-edge
technology, the quality of its technical expertise and its products
development capabilities for chal enging and demanding environments. Its
products are mainly sold internationally. The Company has more than
140 employees and its shares are listed on the Toronto Stock Exchange under
the symbol RTT.

    About Smartec

    Smartec is a leading developer, producer and distributor of measurement
and structural health monitoring systems that set standards for innovation,
quality, ease of use and durability. Smartec supports and trains its customers
in the design, installation and use of monitoring systems, as well as in the
management and analysis of the resulting data. The product range consists of
sensors (fibre optic, GPS and conventional), data acquisition systems and
software for data management and analysis. Its domains of expertise covers
civil and geotechnical engineering, structural engineering, oil and gas
industry and energy distribution.

    Forward-Looking Statements

    Except for historical information provided herein, the press release may
contain information and statements of a forward-looking nature concerning the
future performance of the Company. These statements are based on suppositions
and uncertainties as well as on management's best possible evaluation of
future events, and as such involve a number of risk factors. Such factors may
include, without excluding other considerations, risks related to foreign
exchange fluctuations, evolution in customer demand for the Company's products
and services, the impact of price pressure from competitors and general market
trends, economics and geopolitical changes. A more complete discussion of the
risks and uncertainties facing the Company appears in Roctest's 2006 Annual
Report under Management's Discussion and Analysis of Operating Results and
Financial Position for fiscal 2006 and the 2006 Annual Information Form
available at As a result, readers are advised that actual
results may differ from expected results. The Company is not required to
update or revise publicly its forward-looking statements, except as may be
required under applicable law.

For further information:

For further information: François Cordeau, President and Chief Executive
Officer, Roctest Ltd., (450) 465-1113,,;
Nicoletta Casanova, Chief Executive Officer, SMARTEC SA, +41 91 610 18 00,,

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