Oct 26, 2014 cambay basin, which extends from surat in the south to sanchor in the north, covers an area of about 59,000 sq km with a hydrocarbon resource of more than 15 billion barrels. Review article tectonic control on drainage network evolution. Petroleum system modeling and risk analysis, cambay basin. Reservoir characterization case study, cambay basin, india. In some parts of the basin, some reflections in the seismograms obtained in the course of seismic surveys, could be correlated to the trap surface. Morphological terminology and the format for the descriptions generally. Co2enhanced oil recovery eor is an upcoming technology in india. Integrated reservoir characterization of cambay shale for shale gas resource estimation in ankleswar area cambay basin gujarat india. Samples and methods for source rock evaluation, we used rockeval re. The cambay basin can be divided into six tectonic blocks. A pericratonic basin, it is characterized by extensive carbonateplatform shelf development during middle eocene to middle miocene time.
Subsurface understanding of an oil field in cambay basin 2. Overpressure generation and evolution in a compressional. The effective source rocks in the north cambay basin, india article pdf available in marine and petroleum geology 1710. The cambay rift basin, covers area from surat in the south to sanchor in the north. The evolution of the cambay basin began following the extensive outpour of deccan. Investigating co 2 enhanced oil recovery potential for a. The fauna of termites isoptera preserved in early eocene amber from the cambay basin gujarat, india are described and figured.
The cambay basin is an intra cratonic graben and bounded by series of faults one after another paralleling the dharwar trend and cuts across the narmada and aravalli trends. Gulf of cambay south part 1896 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. This basin extends to the north in offshore as a narrow graben. Sanchor block tharad block ahmedabadmehsana block tarapur block broach block narmada block the cambay shale is the main source rock in this basin. Gas shale potential of cambay formation, cambay basin, india somen mishra1 and b. This results in anisotropy, which is an important issue in exploration. In the north, the basin narrows, but tectonically continues beyond sanchor to pass into the barmer basin of rajasthan.
The cambay basin of western india has been proved as the most prominent and promising basin for major shale oil and gas discoveries. Jun 11, 2019 the key fields in the cambay basin are ankleshwar, kalol, sobhasan and gandhar. Bombay geologic province eocene to miocene composite total. Reservoir characterization of cambay shale cambay basin, india in reference to shale gas exploration and exploitation. Pdf the effective source rocks in the north cambay basin, india. The cambay basin the cambay basin occupies an area of approximately 56,000 sq. Cambay basin in gujarat holds 206 bcf gas in one zone. Gas strike in shale reservoir in dholka field in cambay basin. 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 kadi and kalol formations of early to middle eocene age are thick clastic wedges in the northern part of the cambay basin, india.
Early eocene carbonaceous shales of tadkeshwar formation. Cambay basin, india from refraction and wideangle reflection data. Petroleum geochemical characterization of the shales from tertiary. Evaluation of cambay shale cambay basin, india using geo. The cambay rift basin in the northwest indian platform shows high bouguer gravity. Facilities and drilling on tarapur properties in cambay basin. At present, no indian field is under co2eor and implementation of this technique to a mature oil field needs a rigorous study. The cambay rift basin, is a narrow, elongated rift graben, extending from surat in the south to sanchor in the north. Basin information directorate general of hydrocarbons dgh. In the north, the basin narrows, but tectonically continues beyond sanchor to pass into the barmer basin of rajasthan mathuria et al.
A crustal density model across the cambay basin, india, and its. Age of cambay oil field world history education resources. The field was put on production in 1961, and it has produced. The cambay shale is the main source rock in this basin. Understanding reservoir architecture of cambay shale india has strategic compulsion to explore and develop shale gas due to rising energy. The effective source rock for commercial viable hydrocarbons in south cambay basin is the lowermiddle eocene cambay shale figure 2 which extends across the entire south cambay basin including gulf of cambay. Wed like to understand how you use our websites in order to improve them. 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 block cbonn20105 lies in the ahmedabadmehsana tectonic block of the cambay basin. Subsurface understanding of an oil field in cambay basin. Pdf seismic processingcambay basin, india researchgate. Gas shale potential of cambay formation, cambay basin, india.
Indications are that cambay basin may not be a typical rift and the presently accepted history of evolution of the basin needs to be revised. 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. Study of the deccan traps of cambay basin by geophysical methods. The current study deals with the cambay basin where silty sand reservoir has been identified as hydrocarbon bearing. Sedimentary basin directorate of petroleum dop, gujarat. Pdf on may 1, 2017, anirbid sircar and others published seismic processing cambay basin, india find, read and cite all the research you need on. Petroleum system modeling and risk analysis, cambay basin, india monmayuri sarma1. The termites of early eocene cambay amber, with the earliest. Twodimensional velocity model of the crust beneath the south. Location map for the cambay basin, india, showing major structural elements.
The cambay basin occupies an area of approximately 54,000 sq. The gulf of khambhat also known as the gulf of cambay 1 is an inlet of the arabian sea along the west coast of india, in the state of gujarat. It is based on the subsurface study of on oil field in cambay basin. 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. Computer modeling in this study was conducted using the temis2d, a basin modeling computer software developed by the french petroleum institute ifp. One of the biggest oil fields discovered in gujarats cambay. One of the biggest oil fields discovered in gujarats. The eocenemiocene bombay shelf au is an oilprone assessment unit located offshore along the west coast of india. In the north, the basin extends into rajasthan and in south and south west into continental shelf of arabian sea through the gulf of cambay. Geoglobal entered into this agreement in february 2004 under nelpiv, which grants exploration rights in an area onshore in the cambay basin.
Pdf the effective source rocks in the north cambay basin. Integrated reservoir characterization of cambay shale for shale gas. The block falls in the northern part of the ahmedabadmehsana tectonic block, having a number oil and gas fields, of which the prominent ones are kalol, jotana, sobhasan, becharaji and balol. The town of khambat cambay in presentday gujarat was its capital. Ahmedabadmehsana tectonic block this block lies between the khari river in the north and the vatrak river in the south. Cambay basin is an intracratonic rift graben located in the state of gujarat, india. Geoelectric structure of northern cambay rift basin from. In the attempt to study the buried deccan trap layers in the cambay basin, the ground magnetic surveys have not been very useful as the data combine the effect due to the crystalline basement and the trap thickness. Major lineaments in this block trend in the nnw sse direction. The goal of the study is to analyse the physical properties of two core samples from cambay basin, gujarat phase composition, crystallographic preferred orientation, crystal. The state was bounded in the north by the kaira district and in the south by the gulf of cambay. Preparation of pieces followed the methods outlined in nascimbene and silverstein 2000.
The hazad member of south cambay basin is a major hydrocarbon reservoir, and it consists of 12individual sand units from gsxiigsi. Automatic analysis and edit of all data for high amplitude noise bursts. In the present work, we made an attempt to investigate the co2eor potential of a mature oil field, situated in cambay basin, india. Aussie oil and gas explorer oilex today said its cambay basin discoveries in gujarat hold 206 billion cubic feet bcf of gas and 8 million barrels of condensate reserves in just one zone. Gspc is the operator of this block and geoglobal has a 10% participating interest under this agreement. The termites of early eocene cambay amber, with the earliest record of the termitidae isoptera107 lignite mines in gujarat state, india, during january of 2009, 2010, and 2011. Fusing geologic knowledge and seismic in searching for subtle hydrocarbon traps in indias cambay basin.
Aug 25, 20 shale formations have laminated structures with significant variations in mechanical properties along the orientations of the bedding plane. Cambay basin, which extends from surat in the south to sanchor in the north, covers an area of about 59,000 sq km with a hydrocarbon resource of more than 15 billion barrels. Twodimensional velocity model of the crust beneath the south cambay basin, india from refraction and wideangle reflection data madan mohan dixit 1 national geophysical research institute council of scientific and industrial research, hyderabad, india. It is about kilometres 80 mi miles in length, and divides the kathiawar peninsula to the west from the eastern part of gujarat state. Tectonic map of the cambay basin showing study area. A case for revisiting the evolutionary history of pericratonic.
Cambay, kambay or khambhat, was a princely state during the british raj. An attempt has been made to determine shalegas prospectivity of cambay shale integrating wireline log, mud log, cutting and core data. Pdf on may 1, 2017, anirbid sircar and others published seismic processingcambay basin, india find, read and cite all the research you need on. The effective source rocks in the cambay basin, india. The narmada, tapti, mahi and sabarmati rivers drain into it. The effective source rocks in the north cambay basin, india.
Prefeasibility report for exploratory drilling operation at. Stratigraphic analysis of kadi and kalol formations, cambay basin, india. Oct 09, 2010 the cambay basin geological setting the cambay basin occupies an area of approximately 56,000 sq. Aerially, this is the lasrgest block in the basin, extending from dholka.
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