The gulf of khambhat is about 200 km 120 mi long, about 20 km 12 mi wide in the north and up to 70 km 43 mi wide in the south. The primary aim is to understand the reservoir architecture of shale gas. Subsurface understanding of an oil field in cambay basin. It extends from sanchor in north to the gulf of cambay in south and opens into the arabian sea. Cambay basin in gujarat holds 206 bcf gas in one zone. The general basinal axis is nnwsse, but swings are noticed across major.
In the present study, the processing sequence was used to fulfill the objective of reprocessing. Estimation of level of organic maturity lom and total organic carbon toc in absence of geochemical data by using resistivity and density logs example from cambay shale, tarapur area. Geology of cambay basin pdf the cambay rift basin, a rich petroleum province of india, is a narrow, throughout the geological history, except during early syn rift stage, the. Evaluation of cambay shale cambay basin, india using geomechanical properties, journal of petroleum exploration and production technology, 20, pp. Eocenemiocene cambay deltaic assessment unit 80430102 eocenemiocene cambay deltaic assessment unit 80430102. Ahmedabadmehsana tectonic block this block lies between the khari river in the north and the vatrak river in the south. Manual horizon picking mode is applied for track the horizon. Above the deccan trap, separated by the olpad formation, is the late paleocene and. Evaluation of cambay shale cambay basin, india using geo. In the southern part, however, the main trend is enewsw chandra et al. The effective source rocks in the cambay basin, india article pdf available in aapg bulletin 863 march 2002 with 2,719 reads how we measure reads. After a brief description of the cambay basin s geology, the other aspects of. The upper paleocene to middle eocene cambay shale was evaluated for shale oil, and the paleocene olpad formation was evaluated for tight sandstone gas. Tectonosedimentary evolution of northern part of cambay basin tusar ranjan sahoo1 and mainak choudhuri2.
Onshore oil exploration drilling phase cambay basin cbonn20052 patan, gujarat draft eia report. Gas shale potential of cambay formation, cambay basin, india. The cambay basin in the nw part of the indian peninsula is a commercial petroleum producer from tertiary sediments resting on the basic lava flows known as deccan traps. In offshore areas, these companies covered 2 fields in cauvery basin and 4 fields in krishnagodavari basin on the east coast and 3 fields in mumbai basin and 2 fields in cambay basin on the west coast. Eia report for exploratory drilling cambay basin senesd20308november 2010 iii iocl. Bombay province cambay basin the cambay basin began as a failed rift in the late cretaceous during which time. The association of low frequency passive seismic anomalies with hydrocarbon reservoirs is an.
Cambay basin is an intracratonic rift graben, between saurashtra uplift and aravalli ranges, extending in a roughly ns alignment, as a long and narrow depression from north gujarat to gulf of cambay. Cretaceous sediments which underlie the deccan traps are exposed in the eastern and western margins of the basin and are also encountered in the subsurface. Major lineaments in this block trend in the nnw sse direction. The graben is 57 km deep and has a width of 4080 km chowdhary, 2004. The deccan trap, composed of horizontal lava flows, forms the basement of the cambay basin. In the present paper lignites from the cambay basin have been studied for their hydrocarbon potential. The organic rich source rock, on deep burial, results in conversion of organic matter into oil and. On the west and east, it is bounded by basin margin.
Early eocene equatorial vegetation and depositional. Pdf estimation of level of organic maturity lom and. It is based on the subsurface study of on oil field in cambay basin. Based on the cross trend, the basin has been divided into five. After a brief description of the cambay basin s geology, the other aspects of exploration were. Pdf the effective source rocks in the north cambay basin, india. India cambay exploration basin report wood mackenzie. The gulf of khambhat, also known as the gulf of cambay, is a bay on the arabian sea coast of india, bordering the state of gujarat. Geology of cambay basin pdf the cambay rift basin, a rich petroleum province of india, is a narrow, throughout the geological history, except during early. It offers low fullcycle breakeven prices and high returns, thanks to an extensive network of infrastructure and a focus on nearfield exploration. The oilbearing cambay basin is a graben structure located in the western indian state of gujarat.
Passive seismic monitoring over wavel oil field of cambay basin. South cambay basin, has original in place oil and gas. Tectonosedimentary evolution of northern part of cambay. In the southern cambay basin, it was sourced from a higher plant fraction deposited in marine or fluvial deltaic environment sivan et al.
Study of cambay and krishnagodavari basin for shale oil. Geological modeling of paleogene neogene sequences from akholjuni cambay basin to cacd area mumbai offshore basin. Cambay basin, ahmedabad mehsana block, ingoli field, kadi, kalol. Cambay shale of cambay basin has been proved as the most. The signals are spectrscopically analyzed to produce a unique spectral signature which is used as a direct hydrocarbon indicator. Mineralogical assemblage of cambay shale of north cambay basin. Shale oil exploration from paleoceneearly eocene sequence in. Cambay basin is bounded on its eastern and western sides by basin margin faults and extends south into the offshore gulf of cambay, limiting its onshore area to 7,900 mi2. Eocenemiocene cambay deltaic assessment unit 80430102. Passive seismic monitoring over wavel oil field of cambay. Pdf we evaluated the source potential of three paleogene formations, identified the. Onshore oil exploration drilling phase cambay basin cb. Pdf the effective source rocks in the cambay basin, india. Pdf shale oil exploration from paleoceneearly eocene.
World petroleum resources project assessment of potential. Cambay basin is an intracratonic rift graben located in the state of gujarat, india. Scientific research outcome report reservoir characterization of cambay shale cambay basin, india in reference to shale gas exploration and exploitation. Location map for the cambay basin, india, showing major structural elements. In the north, the basin narrows, but tectonically continues beyond sanchor to pass into the barmer basin of rajasthan. Cambay basin, namely cbonn20052 by government of india under the production. Basin information directorate general of hydrocarbons dgh. The sanganpur field is situated in the ahmedabadmehsana tectonic block of cambay basin. The stratigraphy of the cambay basin is shown in fig. Shale oil exploration from paleoceneearly eocene sequence in cambay rift basin, india. Estimation of level of organic maturity lom and total organic carbon toc in absence of geochemical data by using resistivity and density logs example from cambay shale, tarapur area, cambay basin, india introduction. Location map for the cambay basin, india, showing major. Geographic location of the basin the cambay rift basin, a rich petroleum province of india, is a narrow, elongated rift graben, extending from surat in the south to sanchor in the north.
Aerially, this is the lasrgest block in the basin, extending from dholka. The cambay basin is a narrow elongated rift graben situated between saurashtra craton on the west and aravalli on the northeast and deccan craton to the southeast. Geological modeling of paleogene neogene sequences. The key fields in the cambay basin are ankleshwar, kalol, sobhasan and gandhar. Raniganj east basin west bengal at 2 fields cbm in onshore areas. Geoelectric structure of northern cambay rift basin from. Subsurface understanding of an oil field in cambay basin 2.
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