石油专业在线英语翻译 英译汉Acid gas injection operations represent a comm

石油专业在线英语翻译 英译汉
Acid gas injection operations represent a commercial analogue
for some aspects of geological CO2 storage. Acid gas is a
mixture of H2S and CO2, with minor amounts of hydrocarbon
gases that can result from petroleum production or processing.
In Western Canada, operators are increasingly turning to acid
gas disposal by injection into deep geological formations.
Although the purpose of the acid gas injection operations is to
dispose of H2S, significant quantities of CO2 are injected at the
same time because it is uneconomic to separate the two gases.
Currently, regulatory agencies in Western Canada approve
the maximum H2S fraction, maximum wellhead injection
pressure and rate and maximum injection volume. Acid gas is
currently injected into 51 different formations at 44 different
locations across the Alberta Basin in the provinces of Alberta
and British Columbia (Figure 5.13). Carbon dioxide often
represents the largest component of the injected acid gas
stream, in many cases, 14–98% of the total volume. A total of
2.5 MtCO2 and 2 MtH2S had been injected in Western Canada
by the end of 2003, at rates of 840–500,720 m3 day–1 per site,
with an aggregate injection rate in 2003 of 0.45 MtCO2 yr-1 and
0.55 MtH2S yr-1, with no detectable leakage.
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