In march 2012, the company modified its full year capital program to reduce drilling at gibson gulch from three rigs to two rigs. Presented in full color on cdrom with adobe acrobat reader included, this 449page volume contains many oversize plates, photos and cross sections. Once you have downloaded the file you can view a file on your. The american association of petroleum geologists is an international organization with over 38,000 members in 100plus countries. Description audience impact factor abstracting and indexing editorial board guide for authors p. Pdc energy petd pdc energy petd piceance basin as part of the expanded capital budget, the piceance drilling program has been increased from 12 to 17 wells. Fichter, in developments in structural geology and tectonics, 2019. You can try out these two sites with the links below. Introduction to structural geology by patrice f ray file type. Jul 09, 2016 there are many websites which offers free pdf books to read. Evolution of an organicrich lake basin stratigraphy, climate and tectonics. The uncom pahgre uplift and front range became positive struc tural elements again at that time. Pennsylvanian and early permian paleogeography of the uinta. The objective is to produce a journal with international coverage that will contribute to the development of engineering geology as a profession.
Structural basins may also be sedimentary basins, which are aggregations of sediment that filled up a depression or accumulated. Although there is a tendency to separate structural geology from metamorphic petrology in text books, we attempt to bring these two subjects together in this book under the name metamorphic geology. Increasing energy demand, changing economics, new technology, and geopolitical issues have spurred renewed interest in other energy alternatives such as. Piceance basin, colorado gibson gulch current net production is approximately 6 mmcfed. Two field trip guides are included as separate chapters. Tertiary geology and oilshale resources of the piceance creek basin between the colorado and white rivers, northwestern colorado, 1961, pb, pages 835 891, 12 plates 7 in pocket, 3 figs. Lavishly illustrated in color, this textbook takes an applied approach to introduce undergraduate students to the basic principles of structural geology.
At the piceance basin geology of 600 kilometres the piceance basin geology below freezing in inland deserts that are related to the piceance basin geology a volcano collapses or is blown off, it creates a circular depression, which fills with rainwater. Lecture notes structural geology earth, atmospheric. Geology and mechanics of the basincentered gas accumulation, piceance basin, colorado. The bureau of economic geology, the university of texas at austin, has developed a basin scale coalbed methane producibility and exploration model based on a decade of gas research institutesupported research performed in the san juan, sand wash greater green river, and piceance basins and on reconnaissance studies of several other producing.
This province is somewhat enigmatic in that it formed in an intraplate tectonic setting distant from active continental margins fig. The central basin is defined on the west, north, and east sides by the hogback monocline, whose rocks dip steeply into the basin. Geologic setting the piceance basin is a structural and sedimentary basin created during the laramide orogeny late cre taceous through eocene time. Structural models for the geology of the hanna basin. Presents more than 250 topquality, fullcolor photographs contributed by the worlds most respected structural geologists. Locations of the wells in the piceance basin used in this study. Increasing energy demand, changing economics, new technology, and geopolitical issues have spurred renewed interest in other energy alternatives such as oil shale, heavy oil, and tar sands. Furthermore, this book should be attractive to scientists in related disciplines geophysics, rock mechanics, tectonics. Fracturefree intervals, ranging in depth from 60 to 460 m, were isolated between packers and hydraulically fractured.
Lecture notes structural geology earth, atmospheric, and. This is the first volume to bring together data on tight reservoirs for a variety of basins and different geologic settings. The methods of structural geology are nearly as diverse as those of the geologic sciences as a whole. A greater understanding of the structural geology of the hanna basin can lead to the opportunity to discover more about the relationships. Cretaceous and tertiary paleogeographic reconstructions for the uintapiceance basin study area, colorado and utah by k.
Chemical, isotopic, and age tracers were used to characterize groundwater ages and mixing with deeper saline water in three areas of the piceance basin natural gas province. The vertical thickness of sedimentary rocks in the basin is about 8550 m johnson and rice, 1990. The data revealed a complex array of groundwater ages 50,000 years and mixing patterns in the basin that helped explain concentrations and sources of methane in. Fundamentals of structural geology is a textbook that emphasizes modern techniques of. This ebook aims at undergraduate students and present basic notions of structural geology including faults and fractures, folds and folds systems, boudins and boudinage, ductile shear zones. Bruce hobbs, alison ord, in structural geology, 2015. The underlying ohio creek formation upper cretaceous redefined as a member of the. Faults in the piceance basin were digitized to compliment structural mapping as part of a 2009 national oil shale assessment. Konopka a multidisciplinary approach to research studies of sedimentary rocks and their constituents and the evolution of sedimentary basins, both ancient and modern. There are many websites which offers free pdf books to read. The 2300km 2 study area is in the piceance and yellow creek watersheds within the piceance structural basin, northwest colorado. Cretaceous and tertiary paleogeographic reconstructions for. A structural basin is a largescale structural formation of rock strata formed by tectonic warping of previously flatlying strata.
Stress and strain deformation or strain is the direct result of the forces applied. They have quite a good collection of geology books. It is closely related to the concept of strain the permanent change in shape in 1d, 2d or. Geology and mechanics of the basincentered gas accumulation. The gibson gulch program serves as a swing area for the company as it can substantially modify the drilling program in. Pennsylvanian and early permian paleogeography of the uintapiceance basin region, northwestern colorado and northeastern utah by samuel y. You may need to install acrobat reader to obtain the pdf documents. In some areas of the southern piceance basin, 10acre well density has proven successful. The structural features shown on figure 1 were formed during the laramide orogeny.
Plunging fold axis layers will be curved in map view vi. Surface forces are measured as the stress, or force per unit area. Sp04 geology of ground water resources in colorado. Figure 2 diagrammatic eastwest cross section of san juan basin, from craigg, 2001 p. Geology colorado water knowledge colorado state university. Senior consultant structural geology, srk uk principal areas of expertise. Figure 1 structural features of the san juan basin and adjacent areas. Different devitrification features and other textural as well as structural attributes typical of flow, surge and ash fall deposits are manifested in the middle.
Methane in groundwater from a leaking gas well, piceance. Deformation is the change in shape, position andor volume of an object in response to applied forces. Geology of tight gas reservoirs geoscienceworld books. Structural geology an overview sciencedirect topics. Late paleozoic tectonism and regional geology the uintapiceance basin region fig. In sw amazon craton, along the boundary between the ventuaritapajos 1. Stephen cumella 1 and jay scheevel 2 1 bill barrett corporation, denver, co 2 scheevel geo technologies, grand junction, co. Its scope of study is vast, ranging from submicroscopic lattice defects in crystals to fault structures and fold systems of the earths crust. A greater understanding of the structural geology of the hanna basin can lead to the.
Tertiary geology and oilshale resources of the piceance creek basin between the colorado and white rivers northwestern colorado john r. A stunning collection of the worlds most beautiful and arresting geologic structures, the atlas of structural geology is the ideal aid in the retention of key concepts in geology. Piceance is fortunate to have, surrounding the basin, mv outcrop that can be correlated to the subsurface. The bureau of economic geology, the university of texas at austin, has developed a basinscale coalbed methane producibility and exploration model based on a decade of gas research institutesupported research performed in the san juan, sand wash greater green river, and piceance basins and on reconnaissance studies of several other producing. Large supplies of groundwater possibly could be developed from the valleyfill deposits occurring along short stretches in the other river basins of western colorado and from the piceance creek structural basin in northwestern colorado. The facies analysis are used to prepare a representative facies model to visualize the entire phenomenon with reference to the basin evolution. Cretaceous and tertiary paleogeographic reconstructions. Cretaceous and tertiary paleogeographic reconstructions for the uinta piceance basin study area, colorado and utah by k. Separated from the uinta basin by the douglas creek arch, both basins formed during the laramide orogeny, and are bounded by the charlestonnebo thrust fault, the uinta basin boundary fault, and the grand hogback monocline. Everyone in need of structural geology and thats quite a few of us will certainly find this book very useful. Tight gas reservoirs occur in lowpermeability, gasbearing formations that are present to some extent in all gasproducing basins worldwide. Fundamentals of structural geology working in related disciplines, including geophysics, rock mechanics. Some elongated structural basins are also known as synclines.
Structural geology, scientific discipline that is concerned with rock deformation on both a large and a small scale. Terry engelder department of geosciences 336 deike building the pennsylvania state university university park, pennsylvania 16802 phone. Topics include fractures and fracture characterization, basin centered. Tertiary geology and oilshale resources of the piceance. Horizontal fold axis layers will be straight in map view b. Piceance basin is from discontinuous fluvial sandstones of the williams fork formation of the mesaverde group. Stratigraphic correlation chart for western colorado and. Structural basins are geological depressions, and are the inverse of domes. Hydraulic fracturing to determine the regional in situ. The purposes of this association are to advance the science of geology. Smallscale structural features may be studied using the same general techniques that are employed in petrology, in which sections of rock mounted on glass slides are ground very thin and are. Penn states structural geology class notes instructor. Fresh groundwater in the study area is primarily present in the upper 750 m of the sedimentary section in narrow alluvial valleyfill aquifers and underlying bedrock. Groundwater ages and mixing in the piceance basin natural.
The basin is bounded on the northwest by the uinta uplift, on the north by the axial basin anticline, on the east by the white river. Drilled depths to the top of gasbearing sandstones ranges from about 2500 feet in the grand valley field to about 5800 feet in the rulison field. Geology is in many ways the most complex of sciences, as a complete understanding of the workings of the earth requires training in mathematics, chemistry, physics, biology, and astronomy. Thickness of the gross gas productive interval ranges from 1700 feet to 2400 feet. Tenacre density is necessary to efficiently develop a reasonable amount of the gasinplace due to the very low microdarcy permeability and the. Geologic and hydrologic assessment of natural gas from coal. The book s practical emphasis, hugely popular in the first edition, features applications in the upper crust, including petroleum and groundwater geology, highlighting the importance of structural geology in exploration and exploitation of petroleum and water resources. However, though both stratigraphy and structural geology are often presented in a tectonics framework, they are commonly taught as separate, standalone courses, at. Eurs of typical wells in these areas range from 1 to 2 bcf per well, resulting in reserves of about 60120 bcf per section.
New mexico geological society guidebook 32, this volume. Find materials for this course in the pages linked along the left. Pennsylvanian and early permian paleogeography of the. Piceance basin williams fork geology overpressure reservoir 3000 vertical section shale, sandstone, coal deposition avg porosity 6% avg permeability 7d avg water saturation 65% frac gradient 0. Geology of the piceance basin mesaverde gas accumulation. A very large basin centered gas accumulation in the williams fork formation of the mesaverde group is currently being actively developed at 10acre density in the southern part of the piceance basin. A very large basincentered gas accumulation in the williams fork formation of the mesaverde group is currently being actively developed at 10acre density in the. Measuring the impact of the oil price collapse april 29, 2015. Introduction to structural geology structural geology is the study of how rocks deform and the processes of deformation. Seven oilshale, test holes scattered throughout the piceance basin were logged with an acoustic borehole televiewer to select unfractured solutionfree intervals. This digital guidebook, released in conjunction with the 2003 field symposium, consists of 19 chapters by 39 authors.
Topics include fractures and fracture characterization, basincentered. There is a good balance between text and figures, and the figures are very good, be it the photos, maps, graphics or principle sketches. The piceance basin forms a geologic structural basin, and is the source of commercial oil and gas production. Stratigraphy, structural geology, and tectonics are all common core components of undergraduate geoscience curricula. These additional five wells are being drilled in order to obtain further reserve and production data on the companys superfrac completion pilot program initiated in late 2010. Hydraulic fracturing to determine the regional in situ stress. The book provides unique links to industry applications in the upper crust, including petroleum and groundwater geology, which highlight the importance of structural geology in exploration and exploitation of petroleum and water resources. Structural models for the geology of the hanna basin, carbon. Atlas of structural geology mukherjee, soumyajit download. Cobban a multidisciplinary approach to research studies of sedimentary rocks and their constituents and the evolution of sedimentary basins, both ancient and modern.
Geology of the piceance basin mesaverde gas accumulation steve cumella bill barrett corporation presenters notes. Faults fracture a discontinuity or break in rock fault a discontinuity in which one block has slipped past another mode ii or iii joint a discontinuity in with no slip parallel to fractures some opening mode i 1. Structurally, the area is a simple basin that has been subjected to normal faulting. Areas of colorado having the greatest present and potential groundwater development are in the first three basins. This photo is of the grand hogback which forms the east side of the basin.
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