Evaluation of hydrogen sulfide concentrations in Norwegian reservoir fluids
Due to the character of the original source materials and the nature of batch digitization, quality control issues may be present in this document. Please report any quality issues you encounter to digital@library.tamu.edu, referencing the URI of the item. Includes bibliographical references: p. 79-...
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Texas A&M University
1998
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fttexasamuniv:oai:oaktrust.library.tamu.edu:1969.1/ETD-TAMU-1998-THESIS-H35 2023-07-16T04:00:12+02:00 Evaluation of hydrogen sulfide concentrations in Norwegian reservoir fluids Haland, Kjersti 1998 electronic application/pdf reformatted digital https://hdl.handle.net/1969.1/ETD-TAMU-1998-THESIS-H35 en_US eng Texas A&M University https://hdl.handle.net/1969.1/ETD-TAMU-1998-THESIS-H35 This thesis was part of a retrospective digitization project authorized by the Texas A&M University Libraries in 2008. Copyright remains vested with the author(s). It is the user's responsibility to secure permission from the copyright holder(s) for re-use of the work beyond the provision of Fair Use. petroleum engineering Major petroleum engineering Thesis text 1998 fttexasamuniv 2023-06-27T23:04:09Z Due to the character of the original source materials and the nature of batch digitization, quality control issues may be present in this document. Please report any quality issues you encounter to digital@library.tamu.edu, referencing the URI of the item. Includes bibliographical references: p. 79-80. Knowledge of the hydrogen sulfide content in produced hics. petroleum fluids is important for planning of [HaS] control measures and for material selection. The Norwegian Continental Shelf is known for producing sweet crude oils, and [HaS] has caused few problems due to low concentrations, usually below 10ppm. However, as the exploration was moved north into the Norwegian Sea, deeper exploration welts were drilled and an increase in the HZS concentrations were detected. Well test data clearly indicate that the concentration of HZS increases with depth of burials i.e. with increasing reservoir temperature. This thesis analyzes data from a large number of exploration welts drilled in sandstone reservoirs on the Norwegian Continental Shelf. Drill stem test of a duration of at least 10 hours are needed to get a stable and reliable level of [HaS] in the produced gas. However, the trend in the oil industry is that fewer exploration wells are tested and often only lifeline samples of reservoir fluids are available. Additionally, fast track field developments often require good estimates of expected [HaS] very early. The male objective was to establish an empirical correlation between [HaS] concentration in the reservoir fluids and the reservoir temperature. The amount of hydrogen sulfide generated by thermal cracking was believed to exibit an exponential relationship with reservoir temperature. A plot of the logarithm of the [HaS] concentration versus the inverse of the reservoir temperature was found to be linear to a good approximation. This indicates an exponential relationship between hydrogen sulfide and reservoir temperature. A certain scatter in the data can be explained by uncertainty in the [HZS] field ... Thesis Norwegian Sea Texas A&M University Digital Repository Norwegian Sea |
institution |
Open Polar |
collection |
Texas A&M University Digital Repository |
op_collection_id |
fttexasamuniv |
language |
English |
topic |
petroleum engineering Major petroleum engineering |
spellingShingle |
petroleum engineering Major petroleum engineering Haland, Kjersti Evaluation of hydrogen sulfide concentrations in Norwegian reservoir fluids |
topic_facet |
petroleum engineering Major petroleum engineering |
description |
Due to the character of the original source materials and the nature of batch digitization, quality control issues may be present in this document. Please report any quality issues you encounter to digital@library.tamu.edu, referencing the URI of the item. Includes bibliographical references: p. 79-80. Knowledge of the hydrogen sulfide content in produced hics. petroleum fluids is important for planning of [HaS] control measures and for material selection. The Norwegian Continental Shelf is known for producing sweet crude oils, and [HaS] has caused few problems due to low concentrations, usually below 10ppm. However, as the exploration was moved north into the Norwegian Sea, deeper exploration welts were drilled and an increase in the HZS concentrations were detected. Well test data clearly indicate that the concentration of HZS increases with depth of burials i.e. with increasing reservoir temperature. This thesis analyzes data from a large number of exploration welts drilled in sandstone reservoirs on the Norwegian Continental Shelf. Drill stem test of a duration of at least 10 hours are needed to get a stable and reliable level of [HaS] in the produced gas. However, the trend in the oil industry is that fewer exploration wells are tested and often only lifeline samples of reservoir fluids are available. Additionally, fast track field developments often require good estimates of expected [HaS] very early. The male objective was to establish an empirical correlation between [HaS] concentration in the reservoir fluids and the reservoir temperature. The amount of hydrogen sulfide generated by thermal cracking was believed to exibit an exponential relationship with reservoir temperature. A plot of the logarithm of the [HaS] concentration versus the inverse of the reservoir temperature was found to be linear to a good approximation. This indicates an exponential relationship between hydrogen sulfide and reservoir temperature. A certain scatter in the data can be explained by uncertainty in the [HZS] field ... |
format |
Thesis |
author |
Haland, Kjersti |
author_facet |
Haland, Kjersti |
author_sort |
Haland, Kjersti |
title |
Evaluation of hydrogen sulfide concentrations in Norwegian reservoir fluids |
title_short |
Evaluation of hydrogen sulfide concentrations in Norwegian reservoir fluids |
title_full |
Evaluation of hydrogen sulfide concentrations in Norwegian reservoir fluids |
title_fullStr |
Evaluation of hydrogen sulfide concentrations in Norwegian reservoir fluids |
title_full_unstemmed |
Evaluation of hydrogen sulfide concentrations in Norwegian reservoir fluids |
title_sort |
evaluation of hydrogen sulfide concentrations in norwegian reservoir fluids |
publisher |
Texas A&M University |
publishDate |
1998 |
url |
https://hdl.handle.net/1969.1/ETD-TAMU-1998-THESIS-H35 |
geographic |
Norwegian Sea |
geographic_facet |
Norwegian Sea |
genre |
Norwegian Sea |
genre_facet |
Norwegian Sea |
op_relation |
https://hdl.handle.net/1969.1/ETD-TAMU-1998-THESIS-H35 |
op_rights |
This thesis was part of a retrospective digitization project authorized by the Texas A&M University Libraries in 2008. Copyright remains vested with the author(s). It is the user's responsibility to secure permission from the copyright holder(s) for re-use of the work beyond the provision of Fair Use. |
_version_ |
1771548782199046144 |