Tight oil developments in the western canada sedimentary basin. Shale units in the western canadian sedimentary basin, especially organicrich ones, give high background values in zn, similar in magnitude to those associated with orebodies. Pdf the western canada sedimentary basin researchgate. Two of those permits were issued in 20082009, approximately two years after the applications were filed. Thermal maturation of the western canadian sedimentary basin south of the red deer river. An integrated workflow for shale gas in the western canadian sedimentary basin. Geothermal gradients in the alberta part of the western canadian sedimentary basin have been studied on the basis of 55,244 bottomhole temperature values from 28,260 petroleum exploration wells. Triassic strata of the western canadian sedimentary basin. Hydraulic fracturing and seismicity in the western canada sedimentary basin confirms the horizontal drilling technique which in essence creates an underground miniearthquake to open up.
Biodegradation and origin of oil sands in the western. Alberta basin, large, petroleumrich sedimentary basin along the eastern edge of the rocky mountains in western canada. It consists of a massive wedge of sedimentary rock extending from the rocky mountains in the west to. Reserve growth curves for natural gas, using year of discovery data, have been constructed for western canada and the usa. Pdf salt dissolution and permeability in the western. Chemical and isotopic constraints for recrystallization of. By definition, one principal stress will always be oriented perpendicular to a free. This processvaries across the basin and reflects, in part, divergentsources and chemistry of pore fluids. The methane and carbon dioxide sorption capacity of the second white specks, belle fourche, dunvegan, nordegg, exshaw, and duvernay formations all.
Baytexs common shares trade on the toronto stock exchange and the new york stock exchange under the symbol bte. The history of the western canada sedimentary basin wcsb can be divided into two phases reflecting. In past decades, reported cases of induced seismicity in the wcsb have been attributed to stress changes from. This produces the relative shifts in the positions of the aeromagnetic and geothermal gradients of alberta 191 geothermal gradient highs. The western canada sedimentary basin wcsb is a vast sedimentary basin underlying. Mississippian shoal carbonates of western canadasedimentary basin are important hydrocarbon hosts. View western canada sedimentary basin research papers on academia. Overview of potential gas shale in the western canadian.
The stress regime of the western canadian sedimentary basin. Geological survey recently completed a geosciencebased assessment of undiscovered oil and gas resources of provinces within the western canada sedimentary basin. Fluid compartmentalization of devonian and mississippian dolostones, western canada sedimentary basin. Pdf regional heat flow patterns in the western canadian. The western canadian sedimentary basin wcsb forms a wedge of. Pdf carboniferous strata of the western canada sedimentary. Geologists and alberta research council, calgary, alberta.
Assessment of undiscovered conventional oil and gas resources of the western canada sedimentary basin, canada, 2012. Variation in micropore capacity and size distribution with composition in bituminous. Assessment of undiscovered conventional oil and gas resources. Extent of the western canada sedimentary basin is approximated by the outer boundaries of the labeled alberta basin province, williston basin. The smallest principal stress is horizontal over most of the western canadian sedimentary basin, and it varies in magnitude across the region. The effect of topography and geology on fluid flow in the western canadian sedimentary basin has been studied by hitchon 1969a,b. Edwards and others published triassic strata of the western canadian sedimentary basin find, read and cite all the research you need on researchgate. Origin and evolution of formation waters, alberta basin. The subsurface thermal conditions are closely related to water motion. Western canada sedimentary basin download ebook pdf. Variation in micropore capacity and size distribution with. The sedimentary basins of the united states and canada. Close 1, simon stirling 2, david cho 2, frederik horn 2.
Click download or read online button to get western canada sedimentary basin book now. The stress regime of the western canadian sedimentary basin j. Western canadian sedimentary basin wcsb crude oil to the united states. Since the shales have relatively low pb contents, composite pbzn anomalies are likely mineralizationrelated. Porter and others published the western canada sedimentary basin. Recent applications of avo to carbonate reservoirs in the western canadian sedimentary basin. Among them the western canada sedimentary basin is the largest one in the world holding such kind of unconventional resources. A talk given by paul mackay at 2018 global super basins. Pdf petroleum generation and migration in the western. This energy briefing note ebn, tight oil developments in the western canada sedimentary basin, is one such assessment. Tight oil developments in the western canada sedimentary. Atu has tied up just over sixty sections of land in the pool through crown land sales and freehold leasing.
Western canada sedimentary basin to aid in the public understanding of this emerging resource. Introduction basement faults and lineament zones in the western canadian sedimentary basin wcsb have long been known. A talk given by paul mackay at 2018 global super basins leadership conference in houston, texas. Geological survey of canada, 601 booth street, ottawa, ontario, kia oe8, canada. Cratonic basins convergence related basins strikeslip basins. It consists of a massive wedge of sedimentary rock extending from the rocky mountains in the west to the canadian shield in the east. It contains a sedimentary section that ranges in age from. Thermal maturation of the western canadian sedimentary.
Factors affecting the permeability of shales in the. Intracratonic basins form within stable continental interiors. A groundbreaking study published today in seismological research letters has demonstrated a link, for the first time, between hydraulic fracturing fracking for oil and gas and earthquakes. Western canadian sedimentary basin temperaturedepth transients from repeated well logs. Paul mackay the western canadian sedimentary basin aapg. Purchase the sedimentary basins of the united states and canada, volume 5 1st edition. Examples from the western canada sedimentary basin pdf. The variation in sorbed and free gas capacity of important potential gas shales in the western canadian sedimentary basin wcsb have been investigated. Western canadian sedimentary basin temperaturedepth. The western canada sedimentary basin figure 1 is basically a simple northeasterly tapering wedge of sedimentary rocks, more than 6 km thick, that extends southwards from the canadian 1 present address. The western canada sedimentary basin primarily comprises the 1 alberta basin province of alberta, eastern british columbia, and the southwestern northwest territories. Dolomitization plays a major role in the evolution ofreservoir porosity in these carbonates.
Development has occurred methodically, with four horizontal wells drilled to date. The thickness of eroded tertiary section in the axis of the basin is estimated to range from 5 to 9 km with an average value of about 6 to 7 km. It consists of a massive wedge of sedimentary rock extending from the rocky mountains in. The western canada sedimentary basin wcsb is a vast sedimentary basin underlying 1,400,000 square kilometres 540,000 sq mi of western canada including southwestern manitoba, southern saskatchewan, alberta, northeastern british columbia and the southwest corner of the northwest territories. Paul mackay the western canadian sedimentary basin. A good example is the western canada sedimentary basin extending from the eastern side of the rocky mountains to central manitoba.
There are more factors which can impact reserve growth of us fields versus pools in the western canada sedimentary basin. Geological atlas of the western canada sedimentary basin, chapter. With supply declining from conventional sources, tight gas clearly is, and will be, an increasingly important source of natural gas supply in canada and the united states. The western canada sedimentary basin article pdf available in philosophical transactions of the royal society a mathematical physical and engineering sciences 3051489. Consisting of massive wedges of sedimentary rock about 6 kilometres thick under the rocky mountains, the wcsb contains one of. Approximately 84% of baytexs production is weighted toward crude oil and natural gas liquids. Canadian society of petroleum geologists and alberta. Case study of a large conventional oil pool discovery in a. The western canada sedimentary basin is con sidered to be a classic example of a gravity driven flow basin and many studies have been made on the basinal fluids. Calgary, alberta, canada abstract all available information relevant to in situ stress orientations and magnitudes in the western canadian sedimen. Water resistivity atlas of western canada abstract dan block, b. The western canada sedimentary basin is a vast sedimentary basin underlying 1,400,000 square kilometres of western canada including southwestern manitoba, southern saskatchewan, northeastern british columbia and the southwest corner of the northwest territories. All available information relevant to in situ stress orientations and magnitudes in the western canadian sedimentary basin wcsb were examined to provide a better understanding of how regional stress fields may affect geothermal development. Dolomites fromseveral petroleum reservoirs were analyzed formineralogical, geochemical.
The western canadian sedimentary basin wcsb is a vast sedimentary basin underlying 1,400,000 square kilometres 540,000 sq mi of western canada including southwestern manitoba, southern saskatchewan, alberta, northeastern british columbia and the southwest corner of the northwest territories. Selected geologic characteristics pertinent to occurrence of producible oil and gas resources are also shown when available. An integrated workflow for shale gas in the western. A reservoir and geomechanical model of the colorado shale. Alberta basin depression, alberta, canada britannica. The western canada sedimentary basin primarily comprises the 1 alberta basin province of.
It extends from british columbia through alberta and saskatchewan into manitoba. A reservoir and geomechanical model of the colorado shale, western canadian sedimentary basin melanie regehr, baker hughes april 1518, 2012 spwla topical conference. Hydraulic fracturing and seismicity in the western canada. Structural compilation project for the western canada. The following maps show the drilling history and oil and gas production of selected lowpermeability, continuoustype shale reservoirs. The western canadian sedimentary basin is a vast sedimentary basin underlying 1,400,000 square kilometres of western canada including southwestern manitoba, southern saskatchewan, alberta. Assessment of undiscovered conventional oil and gas. Oil and gas exploration, resources, and production. Ooip, making it one of the largest conventional oil pool discoveries in the western canadian sedimentary basin in the last 20 years. Regional heat flow patterns in the western canadian sedimentary basin. Western canada sedimentary basin, structural compilation project, saskatchewan, manitoba, alberta, phanerozoic, faults, lineaments, structure, seismic, aeromagnetic, gravity. The basin was formed when the earths crust sank along the continental side of the rocky mountains during the devonian period about 415 to 360 million years ago.
Forward energy has estimated tight gas production at 30% of total western canadian sedimentary basin wcsb output in recent years. The western canadian sedimentary basin the wcsb is a vast sedimentary basin underlying 1,400,000 square kilometres of western canada. In saskatchewan, the first 38,000 barrels are royaltyfree. Alaasm, a carole mrad, a jeffery packard b a department of earth and environmental sciences, university of windsor, windsor, on n9b 3p4, canada. The only place for free north american stock rankings incorporating insider commitment. Geol201 sedimentary basins vancouver island university. Canadian pools can grow only through pool extensions, infill drilling, and improved recovery. Environmental activists, however, turned opposition to the keystone xl pipeline into a litmus test. Marc bustin university of british columbia, vancouver, bc, canada summary the matrix permeability of major shales in the western canadian sedimentary basin wcsb were. Home of the insider insights newsletter and the canadian insider club which offers alerts and premium research. This particular ebn examines the different aspects of shale oil or tight oil development in the western canada sedimentary basin to aid in the public understanding of this emerging resource. Pdf recent applications of avo to carbonate reservoirs. It is also known that in shallow boreholes the effect of free thermal convection may have some impact on measured temperatures. Get stock quotes, news, fundamentals and easy to read sec and sedi insider filings.
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