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Structural and Stratigraphic Study of Hartha Formation in the East Baghdad Oil Field, Central of Iraq. | ||
| Iraqi Journal of Science | ||
| Article 1, Volume 58, Issue 4, 2018, Pages 2118-2127 | ||
| Authors | ||
| Salman Z. Khorshid; Falih M. Duaij; Hayder H. Majeed | ||
| Abstract | ||
| Three-dimensional seismic reflection study was conducted for the Eastern Baghdad oil field which is located in the middle part of Iraq within Al-Madaaen province that belong to Baghdad governarate, South of Diyala River , this field includes two southern parts (S1 and S2), the study area was about 781.905 km 2 for the upper Cretaceous age, synthetic seismogram was generated from data of EB-5 and EB-1 wells. Saadi reflector was picked and identified to determine the Hartha Formation. The seismic sections and time slice maps confirmed that the upper Cretaceous age was affected by faults and the indicators of faults ended within Hartha Formation and continue to the deeper formations with increasing intensity. The attribute section was applied on time slice and shows that the area was affected by normal fault parallel to the structure of the field trends (NW-SE). Time, velocity and depth maps of Hartha reflector depending on data from wells (EB-1, EB-2, EB-6, EB-30, EB-52, EB-54) the maps show the structural picture of East Baghdad structural nose opened toward NW and trending (NW-SE) that confirmed by 3D volume which prepared for the studied area. DHI was identified as flat spot, dim spot and sag , when applying attributes like (instantaneous phase and Instantaneous Frequency) has been proved the absence of hydrocarbons in EB-15 well on other hand found in adjacent wells such as EB-2 and EB-5 because of facies changes and not structural change. A scaling facies change was identified at (inline 40910 and inline 47960) , Mound (inline 48310), as well as the work of the Isochron map, which was used to find Isopach and a suitable site for drilling wells. | ||
| Keywords | ||
| Hartha Formation Facies change and Direct Hydrocarbon Indicator study; upper Cretaceous age; East Baghdad Oil Field | ||
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