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. Chapter 2 geology, seismotectonics and seismicity of gujarat. Pdf the effective source rocks in the north cambay basin, india. Subsequently, there was a strong tectonic activity that resulted in the development of the mehsana horst and other structural highs associated with basement faults.
The town of khambat cambay in presentday gujarat was its capital. 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. 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. Southward these formations intertongue with and grade into the marine cambay shale. Early oil generation and expulsion took place in the northern part of the. Bombay geologic province eocene to miocene composite. Bombay geologic province eocene to miocene composite total petroleum system, india by c. The subject well is a recently drilled and completed in cambay field offshore in west coast of india. The basin s presence was suspected from gravity and magnetic data in the late 1980s but not confirmed until 1999 from seismic and drilling. Cambay basin is an intracratonic rift graben located in the state of gujarat, india. In the southern cambay basin, it was sourced from a higher plant fraction deposited in marine or fluvial deltaic environment sivan et al.
Gas shale potential of cambay formation, cambay basin, india. Indian journal of petroleum geology download indian journal of petroleum geology ebook pdf or read online books in pdf, epub, and mobi format. 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. Subsurface understanding of an oil field in cambay basin. Click download or read online button to get geology of gujarat book now. Sands of sobhasan complex, north cambay basin, india. Geology of gujarat download ebook pdf, epub, tuebl, mobi. In the north, the basin narrows, but tectonically continues beyond sanchor to pass into the barmer basin of rajasthan. Fixed hydrocarbons are several fold higher than free hydrocarbons. Petrogeologist study geology to find mine, coal, or oil deposit. For the first time faults have been introduced in the geological model of kalol sands of. After a brief description of the cambay basin s geology, the other aspects of exploration were. The gas and oil in shale are held as free hydrocarbons within natural fractures, pore spaces and some.
The discovery of the barmer basin, rajasthan, india, and. Geological survey petroleum systems and related geologic studies in region 8. Cambay basin extends northwestwards into rajasthan. Subsurface understanding of an oil field in cambay basin anirudha singh, indian school of mines summary it is based on the subsurface study of on oil field in cambay basin. Download pdf indian journal of petroleum geology free. Pdf the effective source rocks in the cambay basin, india. Chapter 2 geology, seismotectonics and seismicity of gujarat 2. It consists of the basic knowledge of the geology of cambay basin, basin analysis, petroleum geology. Black cotton soils, lateritic soils and sandy loams, flood plain deposits, levees, swamps, salt waste, barrier spits. It is based on the subsurface study of on oil field in cambay basin. Reservoir characterization case study, cambay basin, india. 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. Besides this, localized sandstone reservoirs within the cambay shale as in the unawa, linch, mandhali, mehsana, sobhasan, fields, etc are also present.
This has provided a very favorable geological environment setting for hydrocarbon. The gulf of cambay and the rann of kutch were perhaps once connected, and nal lake, sw of ahmedabad, can be abandoned arm of the sea. Location map for the cambay basin, india, showing major structural elements. The synrift organic rich cambay shale comprise the principle source facies of kerogen type iiiii and total organic carbon toc is higher in the northern basin mohan, 1995, whereas maturity level is lower in the south. 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. Basin information directorate general of hydrocarbons dgh. Schematic geological cross sections along the lines aa, bb, cc, and dd. The state was bounded in the north by the kaira district and in the south by the gulf of cambay cambay was the only state in the kaira agency of the gujarat division of the bombay presidency, which merged into the baroda and gujarat. Tectonosedimentary evolution of northern part of cambay basin tusar ranjan sahoo1 and mainak choudhuri2. Biostratigraphy and evolution of the cauvery basin, india.
Tectonosedimentary evolution of northern part of cambay. The discovery of oil and gas in the barmer basin in northwest india was one of the more significant global discoveries in the decade 20012010. 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. The kadi formation has been divided into the mandhali and mehsana members. Reservoir characterization case study, cambay basin, india priyabrata chatterjee, anil malkani, abajyoti boruah, ikhilesh dwivedi and peter hansen summary the cbos2 block in the cambay basin is located offshore west india in the gulf of khambat figure 1.
After a brief description of the cambay basin s geology, the other aspects of exploration were discussed. Geological map of the ariyalur sub basin showing the distribution of cretaceous and tertiary formations modified after. This site is like a library, use search box in the widget to get ebook that you want. Mehsana block aligned anklesvar field anklesvar formation api gravity banerjee and rao basalts basement broachjambusar block cambay shale cambay tarapur block chandra and chowdhary chowdhary 1969 clastics claystone coal coarse clastic cretaceous crude oil. Cambay, kambay or khambhat, was a princely state during the british raj. Analysis of sedimentary facies and depositional environments of. Geology is an interesting subject in knowing history of earth creation, creature evolution, ancient earth life and earth condition in the past. Reservoir classification and geological remodeling of kalol sands. In context of the geological setting of the basin in general and with special reference to cambay shale. Click download or read online button to indian journal of petroleum geology book pdf for free now. Geographic location of the basin the cambay rift basin, a rich petroleum province of india, is a narrow, elongated rift graben, extending from baasin in the south to sanchor in the north. In the northern part of the ahmedabadmehsana block, coal, which is well developed within the deltaic sequence in kalol, sobhasan and mehsana fields, is also inferred.
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