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Certain questions about analysis of natural gas disolved in brine

Journal Article:

Abstract

The composition of the gaseous phase of stratum brines is determined and the analysis technique is described. Ordinary analysis is performed with the assumptions that the contents of small components (excluding C02 and N2) are ignorably small and that the gas contains no 02. The determined concentrations of 02 and the proportional share of N2 are calculated from results of analysis as bound with pollutants. The high sensitivity of modern analytical methods makes it possible to identify quite small and trace concentrations of components, but corrections for air contamination may partially depreciate these results. Data are cited from gas chromatographic identifications of the components of gases disolved in the stratum brines of a Japanese deposit. C2H6 is established in all samples and C3H8 in two thirds of the samples, where H2 and helium were not detected anywhere. The concentrations of the gas phase on the whole in the brine were low. 02 falls into the samples in a water dissolved state; this demands the use of unconventional proportion of 02 to N2 (1 to 3.55), which is characteristic for air and a proportion of 1 to 2 which is characteristic for disolved air. With the conventional ordinary technique the consideration  More>>
Publication Date:
Jan 01, 1983
Product Type:
Journal Article
Reference Number:
EDB-85-082486
Resource Relation:
Journal Name: Sekiyu Gijutsu Kyokaishi; (Japan); Journal Volume: 48:3
Subject:
02 PETROLEUM; 03 NATURAL GAS; BRINES; GAS ANALYSIS; JAPAN; NATURAL GAS DEPOSITS; PETROLEUM DEPOSITS; GEOCHEMISTRY; DISSOLVED GASES; GAS CHROMATOGRAPHY; GROUND WATER; NATURAL GAS; NITROGEN; OXYGEN; ASIA; CHEMISTRY; CHROMATOGRAPHY; ELEMENTS; ENERGY SOURCES; FLUIDS; FOSSIL FUELS; FUEL GAS; FUELS; GAS FUELS; GASES; GEOLOGIC DEPOSITS; HYDROGEN COMPOUNDS; MINERAL RESOURCES; NONMETALS; OXYGEN COMPOUNDS; RESOURCES; SEPARATION PROCESSES; SOLUTES; WATER; 020200* - Petroleum- Reserves, Geology, & Exploration; 030200 - Natural Gas- Reserves, Geology, & Exploration
OSTI ID:
5743530
Country of Origin:
Japan
Language:
Japanese
Other Identifying Numbers:
Journal ID: CODEN: SGKYA
Submitting Site:
HEDB
Size:
Pages: 238-246
Announcement Date:

Journal Article:

Citation Formats

Tezuka, M, Nakamura, M, and Omi, K. Certain questions about analysis of natural gas disolved in brine. Japan: N. p., 1983. Web.
Tezuka, M, Nakamura, M, & Omi, K. Certain questions about analysis of natural gas disolved in brine. Japan.
Tezuka, M, Nakamura, M, and Omi, K. 1983. "Certain questions about analysis of natural gas disolved in brine." Japan.
@misc{etde_5743530,
title = {Certain questions about analysis of natural gas disolved in brine}
author = {Tezuka, M, Nakamura, M, and Omi, K}
abstractNote = {The composition of the gaseous phase of stratum brines is determined and the analysis technique is described. Ordinary analysis is performed with the assumptions that the contents of small components (excluding C02 and N2) are ignorably small and that the gas contains no 02. The determined concentrations of 02 and the proportional share of N2 are calculated from results of analysis as bound with pollutants. The high sensitivity of modern analytical methods makes it possible to identify quite small and trace concentrations of components, but corrections for air contamination may partially depreciate these results. Data are cited from gas chromatographic identifications of the components of gases disolved in the stratum brines of a Japanese deposit. C2H6 is established in all samples and C3H8 in two thirds of the samples, where H2 and helium were not detected anywhere. The concentrations of the gas phase on the whole in the brine were low. 02 falls into the samples in a water dissolved state; this demands the use of unconventional proportion of 02 to N2 (1 to 3.55), which is characteristic for air and a proportion of 1 to 2 which is characteristic for disolved air. With the conventional ordinary technique the consideration of the air contamination leads to a substantial underestimate of the N2 results. At the same time, the incorrect introduction of corrections for N2 has no effect on the heat creativity of the disolved gas.}
journal = {Sekiyu Gijutsu Kyokaishi; (Japan)}
volume = {48:3}
journal type = {AC}
place = {Japan}
year = {1983}
month = {Jan}
}