Integrated Development and Early Production Scheme for the Burgan Reservoir in the Soroosh and Nowrooz Fields Offshore Iran

Denby, P.; Groot, H.I. de; Guit, F.; Willet, Audrey

doi:10.2118/68200-ms

Cited by 5 publications

(6 citation statements)

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“…It was discovered in 1966 by Agip. The structure is heavily faulted along the crest, however, pressure support has not been an issue and a volumetrically large flank aquifer is expected to provide sufficient reservoir drive (Denby et al 2001). The faulty structure along with large aquifer support increases the probability of the early time water breakthrough problem.…”

Section: Application To Real Fieldmentioning

confidence: 99%

Field Scale Characterization of Geological Formations Using Percolation Theory

et al. 2011

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The connectivity of high conductivity pathways in geological formations depend on the spatial distribution of geological heterogeneities that may appear on various length scales. Appropriate modeling of this is crucial within in hydrology and petroleum systems. The approach taken in this study is to use percolation theory to quantify the connectivity, hydraulic conductivity, and breakthrough time behavior between an injector and a producer within such systems. In particular, a three-dimensional overlapping sandbody model is considered which assumes that the geological formation can be split into either conductive flow units (i.e., good sands) or non-conductive units (i.e., poor sands). The results are the master curves for the formation connectivity as well as the hydraulic conductivity and breakthrough time. The percolation approach is then validated against Burgan offshore reservoir dataset which reveal good matches when compared with the results obtained from computationally expensive conventional methods.

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Section: Application To Real Fieldmentioning

confidence: 99%

Field Scale Characterization of Geological Formations Using Percolation Theory

et al. 2011

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“…The maximum extent of sands in the northern Gulf approximates to the location of the present Iranian shoreline (Motiei, 1993;Bordenave and Huc, 1995). In the Soroosh and Nowrooz fields, the Dair Limestone is at least 50 m thick (Denby et al, 2001), which is consistent with the northeasterly thickening of this unit in southern Iraq (van Bellen et al, 1959). The Dair Limestone of offshore Iran contains the K100 MFS of Sharland et al (2001) (Figure 22).…”

Section: Iranmentioning

confidence: 71%

“…Again, it was not possible to identify K90 in this area but it could be in shales that separate the Shu'aiba Formation from the sharp base of the first sandstone (Figure 22). By comparison with other areas, we suspect that the sharp base of the Burgan-B sandstone in Soroosh is a better candidate for the intra-Aptian unconformity than the deeper pick of Denby et al (2001). Biostratigraphic data are required to establish the age of the shales.…”

Section: Iranmentioning

confidence: 99%

“…Grant and Al-Humam (1995) presented a useful regional cross-section for the Kuwait-Saudi Arabia Partitioned Neutral Zone and extending into offshore Iran. Denby et al (2001) presented some logs for the Nowrooz and Soroosh fields of offshore Iran, though these only cover the lower part of the Albian section. Some information is available on southern Iraq (van Bellen et al, 1959;Buday, 1980;Ibrahim, 1981Ibrahim, , 1983Alsharhan, 1994;Al-Ameri et al 2001), but unfortunately these sources did not provide sufficient detail for our analysis.…”

Section: Northern Gulf Areamentioning

confidence: 99%

“…The Burgan (Kazhdumi) reservoir and Dair Limestone are also present in parts of offshore Iran (Denby et al, 2001), although the Burgan A, B and C units as illustrated are only equivalent to the Lower Burgan of Kuwait and the Khafji Member of Saudi Arabia. The maximum extent of sands in the northern Gulf approximates to the location of the present Iranian shoreline (Motiei, 1993;Bordenave and Huc, 1995).…”

Section: Iranmentioning

confidence: 99%

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Early to mid-Cretaceous mixed carbonate-clastic shelfal systems: examples, issues and models from the Arabian Plate

Davies¹,

Casey²,

Horbury³

et al. 2002

GeoArabia

115

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Maximum Flooding Surfaces (MFS) in the Early to mid-Cretaceous mixed carbonate-clastic shelfal systems of the Arabian Plate have been incorporated into a new sequence stratigraphic model that links Kuwait, Iran, Saudi Arabia, Qatar, and the United Arab Emirates, to Oman and Yemen. It is based on regional sequence stratigraphic concepts supported by biostratigraphic, sedimentological and mineralogical data. The model has amended the positions of some existing MFS. The diachronous interplay between large-scale, proximal clastic systems and outboard (down-systems-tract) carbonate platforms was emphasized by concentrating on the depositional history of prodelta areas during delta advance and retreat. The prodelta area of relatively deep water separating the depositional systems has been termed the ‘Migratory Carbonate Suppressed Belt’ (MCSB). The model proposes that platform limestones expanded back over preceding prodelta areas during transgressions. The most extensive transgressions ultimately led to the demise of MCSBs. The maximum landward retreat of the shoreline coincided with the cessation of clastic input in the most up-systems-tract localities. Thus, the model has predicted that in many places MFS are located in the basal parts of clean carbonates even though these are not the deepest-water sediments. Examples are the Zubair-Shu’aiba (K70 MFS) and the upper Burgan-Maddud (K100) sections of the northern Gulf. Where carbonate platforms did not expand completely across the MCSBs, perhaps because of fault-control, the MCSBs survived and MFS are present within deeper-water, prodelta shales deposited below the most efficient window for carbonate production. Examples are the K40 to K60 MFS in intraformational shales of the Zubair, Biyadh, and Qishn formations of Kuwait, Saudi Arabia, and Yemen, and K100 in the Burgan-Wasia formations of Kuwait and Saudi Arabia. Even in these cases, the MFS are present within limestones deposited further down-systems-tract, notably in Iran (K60—Khalij Member, Gadvan Formation; K100—Dair Limestone Member, Burgan-Kazhdumi formations). Deeper-water dense limestones and shales with accompanying MFS were deposited along the northeastern passive margin of the Arabian Plate, or within intrashelf basins with some limited connection to the open ocean. From a regional perspective it can be seen that eustatic or tectonically forced MFS do not necessarily occur within the deepest-water facies. A regional understanding is needed for a more precise sequence stratigraphic interpretation of the Early to mid-Cretaceous succession of the Arabian Plate. The identification of the stratigraphic architecture is of major economic importance at the reservoir scale, for instance in recognizing vertical permeability and transmissibility barriers, as well as at the regional-play fairway scale in the distribution of seals and their potential influence on migration pathways. Our interpretations are also relevant to the prediction of source-rock distributions and, in the longer term, may help identify stratigraphic trap potential related to the interplay between clastic and carbonate depositional systems. Although the model proposed relates to the Arabian Plate, general conclusions may be applicable to other regions where mixed carbonate-clastic systems are well developed, for example in many basins of Tertiary age in South East Asia.

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Organic facies and paleo-depositional environments of the Aptian–Albian Kazhdumi source rock in the Zagros basin of Iran

Alipour

2022

Marine and Petroleum Geology

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Integrated Development and Early Production Scheme for the Burgan Reservoir in the Soroosh and Nowrooz Fields Offshore Iran

Cited by 5 publications

References 0 publications

Field Scale Characterization of Geological Formations Using Percolation Theory

Field Scale Characterization of Geological Formations Using Percolation Theory

Early to mid-Cretaceous mixed carbonate-clastic shelfal systems: examples, issues and models from the Arabian Plate

Organic facies and paleo-depositional environments of the Aptian–Albian Kazhdumi source rock in the Zagros basin of Iran

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