Structural interpretation of seismic reflection data: A case study of an x-field, western Niger delta

Amigun, JO; Olorunniwo, M.A.

doi:10.4314/gjpas.v13i1.16670

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“…Lateral flowage and extrusion of the Akata prodelta shale during growth faulting also account for the diapiric structure on the continental slope of the Niger delta in front of the advancing depocentre of paralic sediment. Amigun (2007) determined the principal types of structures that serves as traps in 'X'field eastern Niger Delta using a 2D seismic structural interpretation. The structural style, both on regional and on the field scale, can be explained on the basis of influence of the ratio of sedimentation to subsidence rates.…”

Section: Location and Geology Of The Study Areamentioning

confidence: 99%

3-D Seismic Structural Interpretation of High Field Offshore Western Niger Delta

Adebayo¹,

Agbalagba²,

Korode³

et al. 2021

jasem

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Seismic Structural interpretation of subsurface system is a vital tool in mapping source rocks and good trapping system which enhances good understanding of the subsurface system for productive drilling operation. This study is geared towards mapping the structural traps available within the hydrocarbon bearing zones of the “High field” with the use of well log and 3D seismic data. Seven horizons (H1, H2, H3, H4, H5, H6 and H7) were identified on well logs using gamma ray log and resistivity logs. Nine (9) faults were mapped on seismic sections across the field, two (2) of which are major growth faults (F1 and F2), two (2) synthetic faults (F3 and F7) and five (5) antithetic faults (F4, F5, F6, F8 and F9). Rollover anticlines which are structural closure and displayed on the depth structural maps suggest probable hydrocarbon accumulation at the down throw side of the fault F1. Structural interpretation of high field has revealed a highly fault assisted reservoir which depicts the tectonic setting of Niger Delta basin.

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Section: Location and Geology Of The Study Areamentioning

confidence: 99%