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Register a new userThe Predict of optimal injection rate to prevent the gas hydrates formation in the natural gas transportation from the pipelines of Damascus North fields (Al Brij-1, Qara-1, Der Atih-1)
التنبؤ بمعدل الحقن الأمثل لمنع تشكل الهيدرات الغازية في خطوط نقل الغاز الطبيعي من حقول شمال دمشق (البريج و قارة ودير عطية)
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محمود أسعد( باحث )
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في هذا البحث تم توضيح أهداف هذه الدراسة و المشاكل التي تُسببها مشكلة تشكل الهيدرات الغازية في خطوط نقل الغاز المدروسة، و اعطاء لمحة عن الحقول المدروسة تتضمن كافة البيانات المطلوبة في هذا البحث.
This paper includes was clarified the objectives of this study and the problems caused by gas hydrate formation problem in the studied gas transportation lines, and submit of the studied fields, contains all the required data in this research.
References used
ALP، D.” Gas Production From Hydrate Reservoirs. Middle east technical university” (2005)،149 pages
(Sloan، E.D. Jr.’’Clathrate Hydrates of Natural Gases’’ Marcel Dekker، NY،(1990
Hammerschmidt، E.G.: “Formation of Gas Hydrates in Natural Gas Transmission Lines” Industrial & Engineering Chemistry
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In this paper, a proposal a chemical solvent to remove sulfur deposits within the tubes production of the wells that most suffer from this problem are done. Where the study was conducted on the referenced study about the characteristics and forms of
sulfur in the nature, and explain the Scheme phasic of sulfur and required conditions for the deposition of elemental sulfur within the tubes production. And has been clarified the mechanism of deposition and the outline of a simplified process for the nuclei of molecules from supersaturation sulfur vapor. Has also been depend on the field data of the studied wells /Jbissah-223, Jbissah-220/ (taken from the daily operational reports and Historical Biography of the wells), to conducting laboratory experiments in order to compare the between used solvent at field (NaOH) and proposed solvent (tallow amine activated diethyl disulfides) in this study in terms of the melt the deposited sulfur within the tubes production. and as a result, the curves resulting from the comparison process was drawn and recommending the use of the proposed solvent in treatment the acid gas wells in Jbissah fields that suffer from this problem where this solvent is the most effective and economical.
In this paper, detail technical and economic feasibility study are
implemented to use the improved solvent instead of the used
solvent in Syrian field (Sodium hydroxide, NaOH) until this time, to
prevent and remove the sulfur deposits in the gas w
ells that most
suffer from this problem.
Has also been confirmed on the technical best method for
suggested solvent injection and depend on the field data of the
studied wells /Jbissah-223, Jbissah-220/ to carrying out the required
economical calculations, and the sensitivity analyzing for changes
of economical with changes of dollar exchange rate and gas
production rate from studied wells are performed, and then the
curves of economic Feasibility study resulting from the
comparison process was drawing. And recommending the use of the
improved solvent where this solvent is the most economic solvent.
This research aims to study the process of natural gas condensate
stabilization by fractionation tower without reflux, and study the
effect of operating factors affecting the process such as the
operating pressure and temperature feed.
Shiranish formation in Sazaba Oil fields region had been divided by
Petrology study and well Logs measurements to three major members (lower –
middle – upper). Then these members have been divided to lithostratigraphic
units and subunits. This stu
dy showed that the lower member is formed of
clayey - limestone rocks rich in planktonic foraminifera and glaconitic sand.
The middle member consists of organic limestone facies, dolomitic-limestone,
sometimes clayey - limestone rocks with crystals of pyrite and glaconitic sand.
Organic- limestone rocks and detrital limestone are predominant in the upper
member interbeded by dolomitic-limestone and rare clayey – limestone. This
facies contains pelagic and planktonic foraminifera.
The role of diagenes phenomenon is evident on Shiranish’s facies through:
dolomitization according to burial and miksing processes. It is also clear
through chemical compaction, mechanical compaction, cemenation,
micretisation and silisification.
The ancient people had used and kept a lot of tools and most important of
all were clay cooking pots and dishes, etc.., and they left them as remains to tell
about the way they were living and feeding . So, it was quite important to carry
out some
analysis on the organic residue of archaeological clay sherds from
cooking pots or dishes from the area of Homs from the era of the Roman and
Islam. A Special attention was focused on the analysis of lipids, which have the
properties of resisting the effect of the environment after it is absorbed in the
clay matrix. Lipids can be extracted with suitable solvents, either total
extraction, or after the treatment of the undisolved portion of the clay with
alkaline. Analysis using gas chromatography and gas chromatography - mass
spectrometery, revealed the existence of mono and di carboxylic acids,
saturated and unsaturated fatty acids, alkanes, and mono, di, and tri glycerides.
The measurement of the ratio C١٦/C١٨ gave the indication to the use of animal
fats in these pots.
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