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Home : Technical
Resources : Test Reports
DUOLINE is a well established
product having been used successfully in numerous countries in
any
and all oil field conditions, and as such, quality and safety trials
have been conducted on the full product range. We value the results
as part of the fundamental support of the quality and integrity
of our business. Please click on any one of the titles to view
the
article summary.
The testing summaries below illustrate a cross sampling of in-house
as well as customer funded testing that demonstrate DUOLINE’s
ability to perform in extreme conditions typically encountered by
oilfield tubulars.
RAPID
DEPRESSURISATION TEST, 240°F, 2500
psi
DUOLINE TECHNOLOGY, ODESSA, TEXAS
Two 3.5" OD 9.3ppf L-80 Nippon NSCT-FGL threaded pipe
sections internally lined with DUOLINE 20 were tested at 2500
psi and 240ºF while filled with 1/4 vol. Kerosene, 1/4
vol. NACE brinewater and 1/2 vol. gas mixture (1000 ppm H2S,
4.7% CO2, and bal. CH4) for a total of 7 days exposure with
3 rapid depressurization cycles at a rate of 500 psi/minute
while at 240ºF and 1 very aggressive depressurization
cycle at a rate of 1000 psi/minute while at 240ºF. RESULTS:
All liner components, including the liner, flares and PTFE
corrosion rings were in excellent condition after this test.
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