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Register a new userStudy of the temperature effect, pressure and geological times on the sedimentry rock in the Palmyrian folding zone the isolation and posipole hydrocarbonic formations
دراسة تأثير عوامل الحرارة، و الضغط، و الزمن الجيولوجي في التوضعات الصخرية في نطاق الطي التدمري بهدف تمييز التشكيلات التي يمكن أن تلعب دور التشكيلات المولدة للفحوم الهيدروجينية في هذا النطاق
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Damascus University ورقة بحثية
Publication date
1998
fields
Geology
and research's language is
العربية
Authors
علي عامر غبرة( باحث )
Created by
Shamra Editor
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انطلاقًا من أهمية هذا النطاق كمنطقة من مناطق الأمل، و من الأهمية العلمية و التطبيقية لتمييز التشكيلات المولدة للفحوم الهيدروجينية في أي حوض رسوبي، و من أن الصخور الرسوبية الحاوية كميات و نوعيات مناسبة من المواد العضوية لايمكن أن تتحول إلى تشكيلات مولدة، إلا إذا تعرضت لتأثيرات مناسبة من كل من عوامل الحرارة، الضغط و الزمن الجيولوجي، فقد قام الباحث بدراسة تأثير هذه العوامل في التوضعات الصخرية في منطقة الدراسة، و تمييز التشكيلات التي يمكن أن تكون قد استغلت طاقاتها، و قد بينت نتائج هذه الدراسة أن التشكيلات التي يمكن أن تكون قد لعبت الدور الأهم في توليد النفط في تحت نطاق الطي التدمري الشمالي، هي تلك التي تعود إلى الترياسي الأوسط، و إلى الباليوزوي بشكل عام . أما في تحت النطاق الجنوبي فهي تلك التي تعود إلى أعمار أقدم من البرمي.
Considering the importance of the Palmyrian folding zone as one of the promising zones, and the scientific and practical importance of the isolation of the matrix formation in any sedimentary basin or in any part of it, and that the sedimentary rocks, which have sufficient quantity and quality of organic materials cannot become matrixes until they undergo convnient conditions of temperature, pressure and geological time, the aim of this work is to study the effect of these factors on the sedimentary rocks of the investigated ones and to isolate the formations, which may be matrixes. According to the results of this study,the formations which may play the main role as matrix are these which have Middle Triassic age or Paleozoicin the northern Palmyrian subzone, and older than Permian age in the southern Palmyrian subzone .
References used
التقرير الستراتيغرافي والبتروغرافي لبئر الهيل- ١ الشركة السورية للنفط، 1978
التقرير السترتيغرافي والبتروغرافي لبئر أراك- ٢ الشركة السورية للنفط، ١٩٩٢
التقرير الستراتيغرافي والبتروغرافي لبئر ضبيات- ٢ الشركة السورية للنفط، 1992
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This research studies the economic importance of lower Cretaceous
clay deposits of South Palmyra folding zone. This study carried out
using appropriate research methods. The Palmyra sand formation,
which includes clays deposits, has divided into t
hree units depending
on its lithological facies. Its chemical and mineral composition and
physical properties had identified, it is mostly of Kaolinite, Illite, Quartz
and other secondary minerals.
The Petrological study of Clay deposits belonging to the lower
Cretaceous in the northern part of South Palmyra Folding Zone.
Showed they were formed as a result of weathering processes of
igneous rocks within Sedimentary continental climate is ho
t and wet
conditions, and formed lateritic iron soil, followed by enrich,
erosion and washing caused by watery agitate and re-replaced for
short distances within valleys or grooves or local karst cavities, and
later filled by crust erosion materials through the Cretaceous Sea
transgression.
This research aims to study the sedimentary and palaeogeographic
evolution of the Kurachina Dolomite Formation along Palmyrian belt zone.
Studying this formation in its Northern and Southern parts has shown that it
consists of two lithostratigraph
ic members, where each of them includes a
series of lithological units. The petrological study of the components of these
units shows that they are composed of four distinguished facies: Dolomitic
limestones, clayey limestones, clays and anhydrites, pure or mixed, and
deposited in repeated harmonic layers, gathered mostly in neutral sedimentary
sequences. Dolomitic limestones are the most common and important facies,
they are composed of micrite muds which have been subjected, in different
degrees to synsedimentary or late dolomitisation processes through pumping or
burial mechanisms. Dolomitisation intensity decreases downward the formation
and increases laterally from the south to the north of the Palmyrian chain.
This study conducted on 30 sample of ground water, spreaded over most of the Cretaceous formations in the studied area, in order to determine origin and quality of water and evaluate it for the purposes of irrigation and drinking.
The study showed t
hat samples taken are not of the same origin, but of the same hydrochemical type of hydrocarbons. Four sets of formed salts also detected. All samples of this study were valid for irrigation water. The samples taken from Bchuna, Al-Matn, Al- Maran, Kafrdabel, Kassaben sites were safe for drinking, the rest of the samples were not because of the increase of calcium ions concentration. The sample of Ain-Kataa site had an increase in concentration of bicarbonate and potassium ions. An exceeded concentration of the limit of these electrolytes values for drinking water according to the Syrian Standard Specificationswas noticed.
Due to the extensive and rapid processing of the Petrel program, we
have relied on it to construct a three-dimensional geological model of
the petrophysical properties of porosity, permeability, amount of
saturation of hydrocarbons, GRV (Gross Roc
k Volume), N/G, Bo, In
addition to determining the oil – water contact levels For the studied
area (Sabban field, - Ruttba and Malussa Formations) in order to
calculate the oil reserve in a specific way and compare it with
previous studies in order to deepen the oil understanding of the region
and identify potential drilling opportunities.
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