Evaluation of hydrogen sulfide concentrations in Norwegian reservoir fluids /

Additionally, fast track field developments often

Bibliographic Details
Main Author: Haland, Kjersti
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1998.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:Additionally, fast track field developments often
amount of hydrogen sulfide generated by thermal
and an increase in the HZS concentrations were
concentration of HZS increases with depth of burials
contribution is considered of particular importance
control measures and for material selection. The
correlation between [HaS] concentration in the
correlations were developed in this work allowing a
cracking was believed to exibit an exponential
detected. Well test data clearly indicate that the
due to low concentrations, usually below 10ppm.
duration of at least 10 hours are needed to get a
exploration welts drilled in sandstone reservoirs on
exponential relationship between hydrogen sulfide and
fewer exploration wells are tested and often only
for planning [HZS] control strategies and for
gas. However, the trend in the oil industry is that
However, as the exploration was moved north into the
i.e. with increasing reservoir temperature.
inverse of the reservoir temperature was found to be
Knowledge of the hydrogen sulfide content in produced hics.
lifeline samples of reservoir fluids are available.
linear to a good approximation. This indicates an
logarithm of the [HaS] concentration versus the
loss and removal of [HZS] in the reservoirs, due to
Norwegian Continental Shelf is known for producing
Norwegian Sea, deeper exploration welts were drilled
petroleum fluids is important for planning of [HaS]
produced gas. One is based on the assumed exponential
production management.
reasonably accurate estimate of the expected [HZS] in
relationship between [HZS] and reservoir temperature,
relationship with reservoir temperature. A plot of the
require good estimates of expected [HaS] very early.
reservoir fluids and the reservoir temperature. The
reservoir temperature. A certain
scatter in the data can be explained by uncertainty in
stable and reliable level of [HaS] in the produced
sweet crude oils, and [HaS] has caused few problems
the [HZS] field measurements and by differences in
The male objective was to establish an empirical
the Norwegian Continental Shelf. Drill stem test of a
the others include additional fluid parameters. This
the presence of iron and water. Several empirical
This thesis analyzes data from a large number of
Item Description:"Major subject: Petroleum Engineering".
Vita.
Physical Description:xiii, 133 leaves : illustrations ; 28 cm.
Also available online.
Bibliography:Includes bibliographical references: pages 79-80.