Sedimentology and depositional system of a transitional shallow marine – coastal complex, Lower Visean deposits in the Central Volga-Ural Petroleum Province, Orenburg

Sebők, Szilvia Szilágyi; Csató, István; Nemes, István

doi:10.1556/24.2021.00006

Cited by 3 publications

(2 citation statements)

References 30 publications

(23 reference statements)

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“…The environment of the lagoon is limited and salinity increases due to its location behind the Reef/Greenstone dams. The diversity of organisms in this environment is low but its frequency is high [38].…”

Section: Collection Of Microscopic Facies Of Wetland Environment (A) ...mentioning

confidence: 99%

Sedimentological Studies of Marine Oil Fields in Order to Reduce Drilling Risk and Environmental Pollution: A Case Study of South of Iran

Abbasi¹,

Pourmorad²,

Mohanty³

et al. 2023

BIJCEES

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Detailed studies of sedimentology and petrology of oil ﬁelds, especially oil ﬁelds located in the seas, play a very important role in reducing the risk of danger, increasing harvest, and reducing the amount of environmental pollution. The South Pars gas ﬁeld in the waters of the Persian Gulf on the joint border line of Iran and Qatar and on the south coast of Iran has been used as a comprehensive model for this type of study. In these studies, the sedimentary environment and sequential stratigraphy of the Scorpion and Sarvak Formations in the South Pars gas ﬁeld in wells 1 and 3 have been investigated. Microscopic studies and analysis of gamma-ray and acoustic diagrams of these formations have led to the identiﬁcation of 9 facies in three facies belts related to wetland, dam, and open sea. Dam facies have been identiﬁed only in Sarvak formation. This study shows that the facies belts of the abovementioned formations in a ramp platform are also sloping. Sequence stratigraphy of Kazhdomi and Sarvak Formations in the study wells shows that Kazhdomi Formation has one sedimentary sequence (third category cycle) and Sarvak Formation has two sedimentary sequences. The lower boundaries of sequences 1 and 2 and the upper boundary of sequence 3 have type 1 (SB1) discontinuities, and the boundary between sequences 2 and 3 has type 2 (SB2) discontinuities.

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Section: Collection Of Microscopic Facies Of Wetland Environment (A) ...mentioning

confidence: 99%

Sedimentological Studies of Marine Oil Fields in Order to Reduce Drilling Risk and Environmental Pollution: A Case Study of South of Iran

Abbasi¹,

Pourmorad²,

Mohanty³

et al. 2023

BIJCEES

View full text Add to dashboard Cite

show abstract

Section: Collection Of Microscopic Facies Of Wetland Environment (A)-...mentioning

confidence: 99%

Sedimentological studies of marine oil ﬁelds in order to reduce drilling risk and environmental pollution: a case study of South of Iran

Abbasi,

Pourmorad,

Mohanty

et al. 2023

BIJCEES

View full text Add to dashboard Cite

Detailed studies of sedimentology and petrology of oil fields, especially oil fields located in the seas, play avery important role in reducing the risk of danger, increasing harvest, and reducing the amount of environmentalpollution. The South Pars gas field in the waters of the Persian Gulf on the joint border line of Iran and Qatar andon the south coast of Iran has been used as a comprehensive model for this type of study. In these studies, thesedimentary environment and sequential stratigraphy of the Scorpion and Sarvak Formations in the South Parsgas field in wells 1 and 3 have been investigated. Microscopic studies and analysis of gamma-ray and acousticdiagrams of these formations have led to the identification of 9 facies in three facies belts related to wetland,dam, and open sea. Dam facies have been identified only in Sarvak formation. This study shows that the faciesbelts of the abovementioned formations in a ramp platform are also sloping. Sequence stratigraphy of Kazhdomiand Sarvak Formations in the study wells shows that Kazhdomi Formation has one sedimentary sequence (thirdcategory cycle) and Sarvak Formation has two sedimentary sequences. The lower boundaries of sequences 1 and2 and the upper boundary of sequence 3 have type 1 (SB1) discontinuities, and the boundary between sequences2 and 3 has type 2 (SB2) discontinuities.

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Applications of automated Petrel workflows in 3D reservoir geologic modelling – A case study

Nemes

2023

CEuGeol

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Mature fields have been playing a significant role in the oil and gas realm recently, and redevelopment and optimization efforts are being made globally to prolong the lifetime of these resources. The aim of this study is to showcase the benefits of hydrocarbon reservoir modelling, with a special focus on various aspects of Petrel workflows. This article is a direct continuation of Nemes et al. (2021), which described the Phase 1 geomodel of the same field described in this study. The Phase 2 geomodel – the scope of the current article – is based on a significantly more complete, more detailed, and fundamentally rebuilt dataset compared to Phase 1. The seismic and petrophysical interpretations were updated, and additional data sources were incorporated into the analysis. The geomodel was created in Schlumberger's Petrel software, and during the building of it, a comprehensive 800-plus-step, full-cycle, automated workflow was outlined. The created workflow makes the model update faster by a minimum of five times, makes it more transparent and decreases the risk of human error. The created workflow describes the entire geomodelling process from data loading, via surface adjustments, structural modelling, and property modelling, to a closing of the loop with volumetric calculation. The whole workflow can be rerun easily, and beside the updates made to the geomodel, a full range of quality-check supporting calculations and visualizations were created in order to provide the user with full control. The geomodel showcased here is a key building block of the ongoing and planned development and redevelopment activities in the field, serves as a tool for well and workover planning, water injection system adjustments and a direct input to dynamic simulation, and also provides direct inputs to the documentation of an updated field development plan.

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Sedimentology and depositional system of a transitional shallow marine – coastal complex, Lower Visean deposits in the Central Volga-Ural Petroleum Province, Orenburg

Cited by 3 publications

References 30 publications

Sedimentological Studies of Marine Oil Fields in Order to Reduce Drilling Risk and Environmental Pollution: A Case Study of South of Iran

Sedimentological Studies of Marine Oil Fields in Order to Reduce Drilling Risk and Environmental Pollution: A Case Study of South of Iran

Sedimentological studies of marine oil ﬁelds in order to reduce drilling risk and environmental pollution: a case study of South of Iran

Applications of automated Petrel workflows in 3D reservoir geologic modelling – A case study

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