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Book Seismic Attributes to Constrain the Distribution of Rakopi Formation Coals in the Southwest Offshore Taranaki Basin  New Zealand   a Thesis Submitted to the Victoria University of Wellington in Partial Fulfilment of the Requirements for the Degree of Master of Science in Petroleum Geoscience

Download or read book Seismic Attributes to Constrain the Distribution of Rakopi Formation Coals in the Southwest Offshore Taranaki Basin New Zealand a Thesis Submitted to the Victoria University of Wellington in Partial Fulfilment of the Requirements for the Degree of Master of Science in Petroleum Geoscience written by Harry Greenfield and published by . This book was released on 2016 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract The Rakopi Formation, in the Taranaki Basin of New Zealand, is a Late Cretaceous (Haumurian) sequence of coal measures interbedded with siltstone and sparse sandstone. It is the lowest widespread stratigraphic unit in the Taranaki Basin, and has a syn-rift deposition which is concentrated in isolated grabens and sub-basins. It was deposited during the extensional tectonic regime linked to the breakup of Gondwana. The Rakopi is one of the major hydrocarbon source rocks in the Taranaki Basin; New Zealand’s only currently-producing basin. However, there are very few well penetrations of the Cretaceous interval within the basin, and this fact – coupled with the non-continuous deposition – means that the Rakopi’s distribution is poorly constrained further away from wells. In petroleum systems models, the entire Rakopi Formation interval is commonly represented entirely as source rock facies. By observing the limited well penetrations available, it is known that this is not the case. As such, it is likely that the total hydrocarbons generated within the basin are overestimated when modelled. Improved constraint of the distribution of the coal within the Rakopi Formation will improve the accuracy of these models. This study presents the results of the extraction and analysis of a suite of seismic attributes from 3D seismic reflection surveys in the southwest offshore Taranaki Basin, for the purpose of constraining the distribution of coal within the Rakopi Formation. The attribute outputs were temporally averaged, with the resulting frequency distributions analysed for significant patterns or variations between the coaly- versus non-coaly vertical intervals of the formation. Within the Maari 3D seismic reflection volume, six attributes were identified which correlated with the presence of coals observed in the Maui-4 well. These attributes were temporally averaged within the Rakopi Formation interval in both the Maari 3D and Pipeline 3D volumes....

Book Institute of Geological   Nuclear Sciences Information Series

Download or read book Institute of Geological Nuclear Sciences Information Series written by and published by . This book was released on 1995 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Oceanic Abstracts

Download or read book Oceanic Abstracts written by and published by . This book was released on 1993-12 with total page 856 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book New Zealand Journal of Geology and Geophysics

Download or read book New Zealand Journal of Geology and Geophysics written by and published by . This book was released on 1981 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book 2D Seismic Data and Gas Chimney Interpretation in the South Taranaki Graben  New Zealand

Download or read book 2D Seismic Data and Gas Chimney Interpretation in the South Taranaki Graben New Zealand written by Taqi Talib Alzaki and published by . This book was released on 2016 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The Taranaki Basin is one of the major oil and gas producing basins offshore New Zealand. The study area covers an area of 10,000 km2 in the basin, and includes 171 2D seismic lines and six wells, which are provided by the New Zealand Petroleum & Minerals. Some previous studies refer to the study area as the South Taranaki Graben. This thesis provides detailed mapping and interpreted subsurface stratigraphy and structure of five horizons, i.e. basement top, Pakawau Group top, Kapuni Group top, Wai-iti Group top, and seafloor. It undertakes studies of the relation between the basin evolution, faults, and depositional patterns. In addition, the gas chimneys were investigated along with hydrocarbon migration pathways to surrounding oil and gas fields. The horizons were identified based on observed discontinuities and seismic attributes. The seismic reflection characters of the horizons and their associated sequences are described in this study. The horizons have been mapped as time structural, isochron, and isopach maps. Seismic attributes were used in horizon interpretation and gas chimney detection. The mapping of these horizons combined with seismic facies character provides detailed overview of the structural evolution and depositional history in the study area. A map of the gas chimneys along with the late normal faults distribution shows that the gas chimneys are mostly common above the Cretaceous source rocks. Fault provide migration pathways for the gases through the seal rocks. Petrophysical analysis shows that the Kapuni Group contains a sizable amount of hydrocarbons, high porosities, and permeability. In combination with the structure of the Kapuni Group, the hydrocarbons within the group migrate to two producing fields through two migration pathways"--Abstract, page iii.

Book Bibliography and Index of New Zealand Geology  1970 1989

Download or read book Bibliography and Index of New Zealand Geology 1970 1989 written by N. J. Taylor and published by . This book was released on 1994 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book New Zealand Journal of Geology and Geophysics

Download or read book New Zealand Journal of Geology and Geophysics written by and published by . This book was released on 1981 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Publications Catalogue

Download or read book Publications Catalogue written by New Zealand Geological Survey and published by . This book was released on 1990-02 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Seismic Geomorphology

    Book Details:
  • Author : R. J. Davies
  • Publisher : Geological Society of London
  • Release : 2007
  • ISBN : 9781862392236
  • Pages : 296 pages

Download or read book Seismic Geomorphology written by R. J. Davies and published by Geological Society of London. This book was released on 2007 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: We are poised to embark on a new era of discovery in the study of geomorphology. The discipline has a long and illustrious history, but in recent years an entirely new way of studying landscapes and seascapes has been developed. It involves the use of 3D seismic data. Just as CAT scans allow medical staff to view our anatomy in 3D, seismic data now allows Earth scientists to do what the early geomorphologists could only dream of - view tens and hundreds of square kilometres of the Earth's subsurface in 3D and therefore see for the first time how landscapes have evolved through time. This volume demonstrates how Earth scientists are starting to use this relatively new tool to study the dynamic evolution of a range of sedimentary environments.

Book Petroleum Abstracts

Download or read book Petroleum Abstracts written by and published by . This book was released on 1997 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book New Zealand Journal of Geology and Geophysics

Download or read book New Zealand Journal of Geology and Geophysics written by and published by . This book was released on 2006-03 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Seismic Attributes for Prospect Identification and Reservoir Characterization

Download or read book Seismic Attributes for Prospect Identification and Reservoir Characterization written by Satinder Chopra and published by SEG Books. This book was released on 2007 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introducing the physical basis, mathematical implementation, and geologic expression of modern volumetric attributes including coherence, dip/azimuth, curvature, amplitude gradients, seismic textures, and spectral decomposition, the authors demonstrate the importance of effective colour display and sensitivity to seismic acquisition and processing.

Book New Caledonia

    Book Details:
  • Author : P. Maurizot
  • Publisher : Geological Society of London
  • Release : 2020-07-09
  • ISBN : 1786204665
  • Pages : 291 pages

Download or read book New Caledonia written by P. Maurizot and published by Geological Society of London. This book was released on 2020-07-09 with total page 291 pages. Available in PDF, EPUB and Kindle. Book excerpt: This memoir summarizes the current knowledge of New Caledonia’s geology, geodynamic evolution, and mineral resources, based on published and unpublished information. It comprises 10 research papers, each addressing a particular geological assemblage or topic. After an introductory chapter, and a review of the published geodynamic models of evolution of the SW Pacific, chapters 3 to 5 focus on the main geological assemblages of Grande Terre: the Pre-Late Cretaceous basement terranes, the Late Cretaceous to Eocene cover, and the Eocene subduction-obduction complex, one of the largest and best-preserved in the world. Chapter 6 is devoted to the Loyalty Islands and Ridge. Chapter 7 deals with the mostly terrestrial post-obduction units including regolith. Chapter 8 deals with palaeobiogeography and discuss plausible scenarios of biotic evolution. Chapters 9 and 10 provide an comprehensive review of New Caledonia’s mineral resources. The volume will interest stratigraphers, sedimentologists, marine geologists, palaeontologists, palaeogeographers, igneous and metamorphic petrologists, geochemists, geochronologists, and specialists in tectonics, geodynamic evolution, regolith, ophiolites, and economic geology.

Book Regional Seismic Attribute Analysis and Tectono stratigraphy of Offshore South western Taranaki Basin  New Zealand

Download or read book Regional Seismic Attribute Analysis and Tectono stratigraphy of Offshore South western Taranaki Basin New Zealand written by Jan Robert Baur and published by . This book was released on 2012 with total page 373 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Research Notes

Download or read book Research Notes written by and published by . This book was released on 1992 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: