Books by AKM Eahsanul Haque
This book thoroughly describes seismic interpretation, techniques on determining subsurface horiz... more This book thoroughly describes seismic interpretation, techniques on determining subsurface horizons, attributes, reservoir delineation etc.
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Papers by AKM Eahsanul Haque
Kupe field is a gas condensate field located in the southern Taranaki Basin. In the present study... more Kupe field is a gas condensate field located in the southern Taranaki Basin. In the present study, 3D seismic and well log data sets were used to interpret and model Kupe structures. The primary objective of the study was to develop a structural model for the complete reservoir package in the Kupe field which composes of three horizons the North Cape, Farewell and Otaraoa formations. The three horizons were interpreted using time section and then converted into depth domain using the velocity model. The results demonstrate the successful establishment of the structural model to incorporate fault framework model, structural mechanics and geometric distributions of the structural features in the complex Southern Inversion Zone of Taranaki Basin. The reservoir package experienced extensional and contractional regimes during Late Cretaceous to Eocene and Eocene to Miocene epoch, respectively ; as a consequence, both normal and reverse styles of faulting are observed. Normal faulting is more obvious in the sections taken from the northern part of the seismic cube while reverse faulting is more prominent in southern parts of the seismic cube. Reservoir package is compartmentalized by moderate-to high-angle (35°–87°) dip slip faults with NE– SW orientation. The proposed 3D structural model provides a unique combination of subseismic interpretations and a geostatistical modelling approach for understanding major fault mechanism, and it provides a significant platform for designing future drilling campaigns for Kupe field's development.
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Structural Modeling of the Maui Gas Field, Taranaki Basin, New Zealand
3D seismic and well log dataset were used jointly to build a structural model of the Late Cretace... more 3D seismic and well log dataset were used jointly to build a structural model of the Late Cretaceous to Pliocene sedimentary sequence in the Maui Gas Field, to predict structural mechanics in the Taranaki Basin with geostatistics. Three phases of tectonic movements affected by faulting in this field were identified by this structural model: Late Cretaceous to Palaeocene rifting phase, Late Eocene to Miocene compressive faulting phase, and Plio-Pleistocene differential (compressive faulting in Maui South, normal fault activity in Maui North) faulting phase. Different phases of tectonic movements resulted in different structural patterns, Early Oligocene formations have abundant normal faults with slight slip and higher dip angles (40-70 deg), and lower dip angle in the north (10-15 deg) than in the south (15-20 deg); Mid-Oligocene to Late Miocene formations contain low angle reverse faults (20-40 deg), showing the structures in this period were affected by compressive stress on the whole; structural inversion occurred during mid-Oligocene to Pliocene, indicating the structural stress was contraction first and extension later in this period.
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Rashidpur Gas Field is located in the west of Srimongal in East Central Bangladesh. The accumulat... more Rashidpur Gas Field is located in the west of Srimongal in East Central Bangladesh. The accumulation associated with the Miocene Bhuban-Boka Bil Sandstone Reservoirs in a structural trap. The structure is about 35 km long and 7 km wide with amplitude of some 4900 ft. Rashidpur anticline is a sub-meriodinal axis, elongated, asymmetrical doubly plunging anticline which has two pay sands namely Upper Gas Sand (UGS)
and Lower Gas Sand (LGS) indicated in all four wells drilled in the structure. After penetrating the shale section beneath LGS, drilling plan was rescheduled to a depth of 9200 ft in order to investigate the deeper sands of potential hydrocarbon accumulation. On reaching a depth of 10073 ft a sudden kick occurred, which halted the drilling operation and forced to kill the well. An immediate sidetrack well (4521 ft) was drilled at
Well-4 and an existence of a sealing fault was drawn on the final report. But mud logs of Well-3 and Well-4 based on the hydrocarbon component of UGS and LGS clearly indicate the absence of any fault between Well-3 and Well-4. Recent geological investigation in the study area reveals the updated facts on the two wells of Rashidpur Gas Field. The paper analyses mud logs and other geological data and reevaluates the reservoir gas sands of Rashidpur Gas Field.
Key words: gas; reservoir; anticline; well; mud logs
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Books by AKM Eahsanul Haque
Papers by AKM Eahsanul Haque
and Lower Gas Sand (LGS) indicated in all four wells drilled in the structure. After penetrating the shale section beneath LGS, drilling plan was rescheduled to a depth of 9200 ft in order to investigate the deeper sands of potential hydrocarbon accumulation. On reaching a depth of 10073 ft a sudden kick occurred, which halted the drilling operation and forced to kill the well. An immediate sidetrack well (4521 ft) was drilled at
Well-4 and an existence of a sealing fault was drawn on the final report. But mud logs of Well-3 and Well-4 based on the hydrocarbon component of UGS and LGS clearly indicate the absence of any fault between Well-3 and Well-4. Recent geological investigation in the study area reveals the updated facts on the two wells of Rashidpur Gas Field. The paper analyses mud logs and other geological data and reevaluates the reservoir gas sands of Rashidpur Gas Field.
Key words: gas; reservoir; anticline; well; mud logs
and Lower Gas Sand (LGS) indicated in all four wells drilled in the structure. After penetrating the shale section beneath LGS, drilling plan was rescheduled to a depth of 9200 ft in order to investigate the deeper sands of potential hydrocarbon accumulation. On reaching a depth of 10073 ft a sudden kick occurred, which halted the drilling operation and forced to kill the well. An immediate sidetrack well (4521 ft) was drilled at
Well-4 and an existence of a sealing fault was drawn on the final report. But mud logs of Well-3 and Well-4 based on the hydrocarbon component of UGS and LGS clearly indicate the absence of any fault between Well-3 and Well-4. Recent geological investigation in the study area reveals the updated facts on the two wells of Rashidpur Gas Field. The paper analyses mud logs and other geological data and reevaluates the reservoir gas sands of Rashidpur Gas Field.
Key words: gas; reservoir; anticline; well; mud logs