Mohsen Aleali

• Islamic Azad University,

The Late Albian-Early Cenomanian Sarvak Formation is a significant oil reservoir in the Zagros region of southwestern Iran. This study examines the reservoir characteristics, sedimentary environment, and modeling of the Sarvak Formation using seismic data from an Iranian field. A total of 11 facies were identified based on allocomes and orthocomes,...

The Asmari succession is among the greatest productive hydrocarbon-bearing rock units in the Middle East. This paper examines the biostratigraphy, sedimentary environment, and depositional sequence of the Asmari reservoir in the Haft-Kel Field. This succession in the Haft-Kel Field contains limestones, dolostones, anhydrites, and argillaceous limes...

The purpose of this research is to use the Concentration-Distance (C-D) fractal model to determine the relationship between the concentrations of ƩREEs and faults in coal seams of the North Kochakali coal deposit. For this purpose, three Concentration-Distance fractal models including: ƩREEC–DDF, ƩREEC-DSF, and ƩREEC– DTF were created based on ƩREE...

The sedimentary-structural zone of the Kopet-Dagh Basin with a NWW to SEE trend is located in the northeast of Iran, east of the Caspian Sea and enters Afghanistan after passing through Turkmenistan and Iran. The Early Cretaceous (Neocomian-Barremian) Formation of the Shurijeh consists of predominantly red detrital clastic and carbonate facies exte...

The lower Triassic Kangan Formation is one of the most important carbonate reservoir rocks in southern Iran and the Persian Gulf. This formation is part of the Dehram Group and consists of a carbonate-evaporite sequence, including limestone, dolomite and anhydrite. This carbonate sequence has been deposited on a gently-sloping homoclinal carbonate...

The Early Triassic Kangan Formation in southern Iran and Persian Gulf, equivalent to the Upper Khuff Formation in the neighboring Arab countries hosts vast natural gas resources in the Persian Gulf. The current study discusses sedimentary facies, diagenesis, depositional setting and reservoir characteristics of the Triassic Kangan Formation within...

Electrofacies analysis conducted the distribution effects throughout the reservoir despite the difficulty of characterizing stratigraphic relationships. Clustering methods quantitatively define the reservoir zone from non-reservoir considering electrofacies. Asmari Formation is the most significant reservoir of the Mansouri oilfield in SW Iran, gen...

Rock types are the reservoir's most essential properties for special facies modeling in a defined range of porosity and permeability. This study used clustering techniques to identify rock types in 280 core samples from one of the wells drilled in the Asmari reservoir in the Mansouri field, SW Iran. Four hydraulic flow units (HFUs) were determined...

The crucial parameters influencing drilling operations, reservoir production behavior, and well completion are lithology and reservoir rock. This study identified optimal reservoir rocks and facies in 280 core samples from a drilled well in the Asmari reservoir of the Mansouri field in SW Iran to determine the number of hydraulic flow units. Reserv...

The aim is to use the Concentration-Volume (C-V) fractal model to identify high-quality parts of coal seams based on sulfur and ash concentrations. In the K1 and K7 coal seams in the North Kochakali coal deposit, 5 and 6 different populations of ash and sulfur content were obtained based on the results. According to this model, sulfur and ash conce...

تفکیک گروه های سنگی نیاز به مطالعه نمونه های مغزه و اندازه گیری پارامترهای تخلخل و تراوایی در آزمایشگاه دارد. در این مطالعه از تکنیک خوشه بندی به روش میان مرکز فازی به عنوان یک دیدگاه جدید جهت تعیین گروه های سنگی در ۲۸۰ نمونه مغزه به دست آمده از یکی از چاه های حفاری شده در مخزن آسماری واقع در میدان منصوری استفاده شده است. به طوری که هر خوشه ساخته ش...

پژوهش حاضر بر روی مهمترین سازند مخزن ایران (سازند آسماری) در میدان نفتی منصوری در جنوب غربی ایران انجام شده است. این سازند عموما از سنگ شناسی کربناته تشکیل شده، اما در برخی زون ها دارای لایه های ماسه سنگ است. همچنین جوانترین سنگ مخزنی ایران نیز می باشد. این مطالعه بر اساس ۲۸۰ نمونه مغزه حاصل حفاری یک حلقه چاه در مخزن آسماری به انجام رسیده است. در م...

In the Zagros fold-thrust belt, the Fars region is affected by the basement left-lateral strike-slip faults such as the Nezamabad, Razak, and Hendurabi faults which these faults have affected on the folding system of this area and the effect of these faults activity is one of the factors in the folding diversity. Also, the Fars region anticlines ar...

Rock types are the reservoir's most essential properties and show special facies with a defined range of porosity and permeability. This study used the fuzzy c-means clustering technique to identify rock types in 280 core samples from one of the wells drilled in the Asmari reservoir in the Mansouri field, SW Iran. Four hydraulic flow units were det...

Rock types are the reservoir's most essential properties and show special facies with a defined range of porosity and permeability. This study used the fuzzy c-means clustering technique to identify rock types in 280 core samples from one of the wells drilled in the Asmari reservoir in the Mansouri field, SW Iran. Four hydraulic flow units were det...

The carbonate strata of the Burdigalian Guri Member are located in the Dezful Embayment along the northern Persian Gulf shore. Ichnofabric analysis and paleoecology of the Guri Member in the Dezful Embayment are described by investigating three outcrop sections. The facies features of the Guri Member show a very shallow marine environment with high...

The Cenomanian Sarvak oil reservoirs are distributed over large areas of the Persian Gulf basin. The purpose of this study is analyzing the geochemical characteristics of the Sarvak oil reservoirs and their inter-relationships in the Persian Gulf, classification of the Sarvak oil samples and investigation of the possible causes of the genetic diffe...

Rock types are the reservoir's most essential properties and show special facies with a defined range of porosity and permeability. This study used the fuzzy c-means clustering technique to identify rock types in 280 core samples obtained from one of the wells drilled in the Asmari reservoir located in the Mansouri field. Four hydraulic flow units...

Rock types are the reservoir's most essential properties and show special facies with a defined range of porosity and permeability. This study used the fuzzy c-means clustering technique to identify rock types in 280 core samples from one of the wells drilled in the Asmari reservoir in the Mansouri field, SW Iran. Four hydraulic flow units were det...

Rock types are the reservoir's most essential properties for special facies modeling in a defined range of porosity and permeability. This study used the fuzzy c-means clustering technique to identify rock types in 280 core samples from one of the wells drilled in the Asmari reservoir in the Mansouri field, SW Iran. Four hydraulic flow units were d...

The present research was performed on Iran's most crucial reservoir formation (Asmari Formation) in the Mansouri oil field in southwest Iran. This Formation is generally composed of carbonate lithologic, but it has sandstone layers in some zones. It is also the youngest reservoir rock in Iran. In the first step, the lithology of the Asmari Formatio...

Asmari Formation is the most significant reservoir of the Mansouri oil field in SW Iran. This Formation is generally composed of carbonate lithologic but has sandstone layers in some zones. It is also the youngest reservoir rock in Iran. Cross-lithology diagrams determined the lithology of the Asmari Formation by applying 280 core samples from one...

Electrofacies analysis conducted the distribution effects throughout the reservoir despite the difficulty of characterizing stratigraphic relationships. Clustering methods quantitatively define the reservoir zone from non-reservoir considering electrofacies. Asmari Formation is the most significant reservoir of the Mansouri oilfield in SW Iran, gen...

The South Tethyan Phosphogenic Province, a vast carbonate-dominated stratum that stretches across the Middle East, has phosphate resources in southwestern Iran. The Tethyan phosphorites of Iran are classified as low-grade ore deposits globally and date to the Eocene-Oligocene (Pabdeh Formation). The Pabdeh Formation was formed on a carbonate ramp s...

In this research, biostratigraphy of the Taleh Zang Formation, located in northern Lorestan, SW Iran, is discussed. The benthic foraminiferal contents of the upper Paleocene successions were examined in a carbonate platform setting in the context of European standard zonation (Shallow Benthic Zones). The co-occurrence of Glomalveolina levis (Hottin...

Oligo-Miocene depositional succession of the Zagros Basin is one of the most significant petroliferous systems in the Middle East. This study deals with facies analysis and paleoenvironmental reconstruction of the shallow-water carbonate successions (Asmari Formation) outcropping in the northwest of Zagros Basin. The Asmari carbonate system has bee...

In this study, our attempt is to integrate sedimentological and petrophysical data for reservoir evaluation in the sequence stratigraphic framework. Petrographic analysis of the Late Jurassic–Early Cretaceous Fahliyan Formation reservoirs of two oilfields in the northwest of the Persian Gulf led to recognition of twelve microfacies. They can be cla...

Zagros fold and thrust belt is associated with a foreland basin and represents the oldest and richest hydrocarbon zone in the area. The deep-marine Pabdeh Formation with hemipelagic-pelagic calcareous shale, marl, and lime mudstone with subordinate argillaceous limestone was deposited in the Zagros proforeland basin during the Early Eocene to Oligo...

Zagros fold and thrust belt is associated with a foreland basin and represents the oldest and richest hydrocarbon zone in the area. The deep-marine Pabdeh Formation with hemipelagic-pelagic calcareous shale, marl, and lime mudstone with subordinate argillaceous limestone was deposited in the Zagros proforeland basin during the Early Eocene to Oligo...

Quaternary sediments of the Haji Arab River catchment located in Qazvin Plain, northwestern Iran, were studied in terms of sedimentology and geochemistry to determine the sedimentary environment and rock weathering. Discrimination diagrams show that the source rock of these sediments is granite and their tectonic setting is the active continental m...

The study area is the Southern Caspian Sea. Three rivers, Chalous, Sardabroud and Namak Abroud, are effective in this area. Sediment loads carried by these three rivers are the source of environmental pollution in this area’s seabed sediments. To identify environmental pollution in this research, a total amount of 80 samples were collected from sed...

The Rectogordius (Foraminifera) abundance zone is described in the east of the Shishtu village in the Ozbak Kuh Mountain. The samples were collected in the Zaladou Formation., which is 60 m thick and composed of shales, sandstones, sandy limestones, microconglomerate, bioclastic limestones, coral limestone and fusulinid limestones. The Rectogordius...

Wetlands as unique, rich, and fertile ecosystems are among the most vital environments in the world. Quaternary sediments of wetlands are the main components of our environment and an essential source of clastic, organic, and chemical substances that can be caused by natural processes and erosion or created by human intervention. This article broad...

Phosphate deposits in south-western Iran are part of the South Tethyan Phosphogenic Province, a huge carbonate-dominated strata that extends to the Middle East. The Tethyan phosphorites of Iran are dated Eocene-Oligocene (Pabdeh Formation) and categorized as low-grade ore deposits on a global scale. Depositional conditions of the facies indicate th...

The location of the Fenced Lagoon in the urban basin of Bandar Anzali, which should be considered due to its impact on the lives of the people of the region in terms of the conservation of the wetland and its environmental issues, and, on the other hand, the potential of this area to be introduced as a geotourism center determine the need to invest...

Main purpose of this study is to determine the spatial distribution of the field’s petrophysical parameters, including porosity and permeability by determining and identifying the hydraulic flow units. By identifying hydraulic flow units as well as rock types and investigating the distribution of porosity and permeability variables, it is possible...

The location of the Fenced Lagoon in the urban basin of Bandar Anzali, which should be considered due to its impact on the lives of the people of the region in terms of the conservation of the wetland and its environmental issues, and, on the other hand, the potential of this area to be introduced as a geotourism center determine the need to invest...

The Permian Jamal Formation characterized as one of the most significant successions in the Central Iran basin and constitutes a thick section (as much as 180 m) of limestone, dolomitic limestone, and dolomite in southeastern Kharu village in Tang-e Sarve area. The facies analysis of Jamal Formation leads to the identification of 11 microfacies, wh...

Kashkan Formation is located in Merk watershed in the southeast of Kermanshah, Iran, at a distance of 35 km. The age of the studied formation ranges from upper Paleocene to middle Eocene. This formation is located between two shallow-environment carbonated formations (Teleh-Zang Formation at the bottom and Shahbazan Formation at the top). While the...

We studied four sections of Dorud Formation in eastern, central and western parts of Central-South Alborz subzone and separated of rock units and compared them with previous proposed units. As well as vertical and horizontal expansion of Dorud Formation rock units trend were considered. Based on the results, with emphasizing of previous researchers...

Sarvak Formation, a thick carbonate succession with the age of Middle Cretaceous, is one of the most significant hydrocarbon reservoirs in the Zagros basin. The Tang-e Solak section of the Sarvak Formation in the Bangestan anticline with a total thickness of about 850 m has been studied, in order to determinate its microfacies types, depositional s...

Microbiostratigraphy, microfacies and depositional environments of the Sarvak and Ilam formations have been studied in the Gachsaran Oilfield (well no. 335). The thickness of the Sarvak and Ilam formations are 95.5 and 66.5 meters respectively and they consist of limestone with minor shale. Biostratigraphic analysis of these formations has resulted...

Investigation of diversity of Permian foraminifera based on litho and biostratigraphy showed a constant increasing from Asselian to Murgabian with the exception of late Yakhtashian. The highest diversity of foraminifera is seen in the Murgabian that is comparable with Kamura high Ca productivity. The main decrease in foraminiferal species richness...

Species richness of foraminifera assemblages in the Permian succession, contains Dorud, Ruteh and Nessen Formations, in Central Alborz—North of Iran, was estimated and studied based on lithostratigraphy and microbiostra-tigraphy of Permian. We used four non-parametric estimators to investigate the species richness: Chao 2, Jackknife 1, Jackknife 2...

The study area is located in the Fars area (Interior Fars sub-basin). This area, which is part of the Zagros fold-thrust belt, is located in Zagros simple folded sub zone. It is known as one of the most important regions in the world Gas rich. In this area, anticlinal folds are a different orientation of such as the North Western-South Eastern, Eas...

The Sarvak Formation in Bi Bi Hakimeh oil field with the thickness of 324 m consists of limestone in Cenomanian-Turonian period. The upper boundary of the Sarvak Formation is in the form of disconformity with the Gurpi Formation. The lower boundary of Sarvak Formation is not clear because of lack of sequential excavation. According to microbiostrat...

Background/Objectives: Since sediment and sedimentation are very significant in civil projects specifically in dams’ reservoirs, it is essential to scrutinize this issue and its influential conditions and parameters. Climatic conditions are identified as one of the important factors in this regard. Hence, this study aims to investigate these condit...

As sediments are produced and accumulated in sedimentary basins especially in dams' reservoirs and they highly affect the reservoirs life span, it is essential to scrutinize the effect of lithology and types of geological formations of an area on the life span of reservoirs specifically from the viewpoints of the erodability of these formations due...

The upstream water catchments are the main source providing sediments in rivers and sedimentary basins. The balance between the erosion phenomenon and the amount of sediment entering into the basin relies on the geometrical specifications and the morphology of the river along the water catchment direction and the amount and type of the sediments. T...

The Sarvak Formation is the second major oil-bearing reservoir in the south and south west of Iran. The Middle Cretaceous Sarvak formation in the Zagros Mountains (Zagros Basin) is mainly composed of carbonate sequences. Based on facies studied, thirteen microfacies were recognized in the studied area, which were categorized in the three facies gro...

Some paleobiodiversity indices such as total diversity, stand diversity, origination and extinction rates of Permian (Yakhtashian- Dzhulfian) small foraminifera were analyzed based from an outcrop in Abe-Garm area, Gazvin. Some important bizones that recognized by Taraz (1969), Taraz et al. (1981), Kobayashi (1997), Shabanian (2010), Stiger (1966),...

The present study was an attempt to investigate the differences in the accessibility of phonological, semantic, and orthographic aspects of words in L2 vocabulary learning. For this purpose, a sample of 119 Iranian intermediate level EFL students in a private language institute in Karaj was selected. All of the participants received the same instru...