Lithostratigraphic subdivision of the Kuhlan Formation in Yemen

Al-Wosabi, Mohammed; Wasel, Saeed

doi:10.1007/s12517-010-0236-9

Cited by 9 publications

(2 citation statements)

References 7 publications

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“…Non‐marine to shallow‐marine clastic rocks (Kuhlan Formation; Beydoun et al, 1998) is overlain by shallow‐marine carbonates in pre‐rift deposits (Shuqra Formation). Both formations are commonly dated from the late Triassic to the Middle Jurassic (see also Al‐Wosabi & Wasel, 2011), while Stephenson and Al‐Mashaikie (2011) give support for a Late Carboniferous age for the Lower Kuhlan Formation. Horsts and nested fault blocks characterize the syn‐rift sequence, which developed during the Late Jurassic to Lower Cretaceous period (Albaroot, Ahmad, Al‐Areeq, & Sultan, 2016; Redfern & Jones, 1995).…”

Section: Geological Settingmentioning

confidence: 99%

1D modelling of the NW Sab'atayn Basin Upper Jurassic source rocks, Yemen: Implications for hydrocarbon generation and thermal maturity

Alsrory

Al‐Azazi²,

Albaroot

et al. 2022

Geological Journal

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Sab'atayn Basin is considered to be the most petroliferous Mesozoic basin in Yemen, although exploration efforts in the northwestern part of the basin are unproven due to scant drilling activities. In this work one‐dimensional (1D) basin modelling was used to examine the hydrocarbon generation and expulsion history of the Upper Jurassic source rocks using PetroMod2012.2 software. The geo‐history modelling was applied for the studied wells, and it shows that some stratigraphic units are missing, which adversely affect the tectonics, sedimentary subsidence, burial history, hydrocarbon maturation, and generation. There is a major period of subsidence that occurred in the Upper Jurassic and is manifest in the Kamaran‐01 well. In addition, a second major uplift occurred in the Miocene and had a discernible effect on heat flow distribution as well as burial histories. Reverse heat flow is observed in the Saba‐01 well, where the present heat flow is greater than the palaeo‐heat flow. The beginning of petroleum generation in the Meem and Lam members (Madbi Formation) source units has been predicted to occur during the Late Jurassic, and subsequently occurred in the Lower Cretaceous. Peak expulsion of hydrocarbons from the Meem Member occurred in the Eocene and late Oligocene, while expulsion modelling performed on the Lam Member asserts that it has not reached the phase of oil expulsion.

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Section: Geological Settingmentioning

confidence: 99%

1D modelling of the NW Sab'atayn Basin Upper Jurassic source rocks, Yemen: Implications for hydrocarbon generation and thermal maturity

Alsrory

Al‐Azazi²,

Albaroot

et al. 2022

Geological Journal

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“…The Amran Group overlies the Early to Middle Jurassic Kuhlan Formation (Al-Wosabi & Wasel, 2011) and is represented by the Shuqra and Jabal Salab formations (Table1). The Madbi and Sabatain formations are missing from the sections studied.…”

Section: Study Areamentioning

confidence: 99%

Middle Jurassic–Early Cretaceous foraminiferal biozonation of the Amran Group, eastern Sana’a Basin, Yemen

2017

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Two sections of strata assigned to the Amran Group at Jabal Salab and Jabal Yam in the eastern Sana’a governorate were sampled and correlated. These sections are part of a carbonate platform that extends from the city of Marib in the east to Naqil Ibn Ghailan, 20 km east of the city of Sana’a to the west. Palaeontological analysis of samples recovered has resulted in identification of 123 foraminiferal species, which are used to subdivide the sequence of the Amran Group into five biostratigraphic zones, aged between Bathonian (Middle Jurassic) and Berriasian (Early Cretaceous). The proposed biozones are those of Riyadhella rotundata, Kurnubia jurassica, Ammomarginulina sinaica, Alveosepta jaccardi and Pseudocyclammina sulaiyana/Furitilla caspianseis. These biozones were constructed and correlated with the equivalent zones reported from several localities.

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Surface mapping of the Milh Kharwah salt diapir to better understand the subsurface petroleum system in the Sab’atayn Basin, onshore Yemen

Tari¹,

Jessen

Kennelly

et al. 2018

Arab J Geosci

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Lithostratigraphic subdivision of the Kuhlan Formation in Yemen

Cited by 9 publications

References 7 publications

1D modelling of the NW Sab'atayn Basin Upper Jurassic source rocks, Yemen: Implications for hydrocarbon generation and thermal maturity

1D modelling of the NW Sab'atayn Basin Upper Jurassic source rocks, Yemen: Implications for hydrocarbon generation and thermal maturity

Middle Jurassic–Early Cretaceous foraminiferal biozonation of the Amran Group, eastern Sana’a Basin, Yemen

Surface mapping of the Milh Kharwah salt diapir to better understand the subsurface petroleum system in the Sab’atayn Basin, onshore Yemen

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