Located in west central alberta, 260 kilometers northwest of edmonton, it is considered one of the most promising shale opportunities on the continent. Increased crown land position in east basin duvernay shale oil play by 34% increased production guidance twice even with selling 250 boed and deferring completion of two hz wells 2019 forecast top tier light oil growth increased, in august 2019 average and exit production guidance to 5,000 5,200 and 5,500 5,700 boed. Our purpose is to determine shale gas resources in all prospective gas shales in alberta. Similar to the cardium, the duvernay formation is part of the western canadian sedimentary basin group. Duvernay a majeau lake beaverhill lake duvernay c duvernay b schematic crosssection showing the ireton, duvernay, majeau lake, beaverhill lake, and leduc depositional relationships. The devonian duvernay formation is fast becoming one of the most active liquidsrich shale plays in north america. Duvernay is characterized by an average porosity of 6. Pdf hydrocarbon resource potential of the duvernay. Generalized map of the devonian duvernay shale basin that is divided by the rimbeymeadowbrook barrier reef into a west and east shale basin. The duvernay formation is a key focus area for chevron canada. The mineral content of shale determines the mechanical properties of the rock. Chevron moves forward with kaybob duvernay shale development. East basin duvernay shale emerging light oil play 48. We are engaged in projects that span the value chain of the natural gas business exploration, production, pipeline, liquefaction, shipping, marketing and trading through our operated interest in the kitimat lng project in british columbia and the kaybob duvernay program in alberta.
Clay types in mudrocks of the upper devonian duvernay formation. Canadian sedimentary basin, geologic survey of canada, open file 1579. Kaybob duvernay program overview chevron corporation. The uppermiddle devonian duvernay strata represents an extremely proli. Mineralogy of duvernay, muskwa, and montney formations for. The formation was named by andrichuk and wonfor in 1954 for duvernay.
Reservoir characterization of the duvernay formation, alberta. In fact, many in the industry believe the duvernay is the closest analog to the eagle ford, since they are both overpressured reservoirs, and both formations feature volatile oil, condensate, wet gas, and dry gas windows that are all. The duvernay formation is one of the most prospective liquidsrich shale plays in north america. The most famous is the leduc field discovered in 1947. An assessment of 7 shale formations in 41 countries outside the united states. Camshale fracturing fluid delivery and flowback service. These data, consisting of highquality xray diffractograms of both whole rock and clay fractions, indicate that even at shallow. Informal lithostratigraphic members include the a shale, the b carbonate also referred to as the middle carbonate, and the c shale. Targeted for its shale gas condensate, the duvernay is a popular target amongst canadian exploration and production companies.
Sep 26, 2017 new assessment targets marketable oil and gas resources in albertas duvernay shale region. Neb duvernay resource assessment energy briefing note. Encana, petrochina strike partnership in duvernay shale. Ceri crude oil report canadian energy research institute.
The initial development in the east kaybob section of the formation will encompass about 55,000 acres 22,000. The conventional setup was not only timeconsuming and expensive, it incorporated a maze of flowlines, which presented a wellsite hazard. The organicrich duvernay formation was deposited within an interior seaway in upper devonian time. Modified from ercbags open file report 201206, october 2012. An operator in the duvernay shale play sought to streamline fracturing operations. Durvernay shale, which has a number of characteristics in common with other unconventional shale plays in north america dunn et al. There are a number of prospective shale gas deposits in various stages of. Seismic reservoir characterization of duvernay shale with quantitative interpretation and induced seismicity considerations a case study satinder chopra 1, ritesh kumar sharma, amit kumar ray2, hossein nemati1, ray morin3.
Shallower regions of the play are underpressured and oil. Information on the duvernay shale natural gas intel. The reservoir properties of the duvernay formation mudrock gas and oil shale gas reservoir in alberta were investigated. A typical eightwell pad was taking 90 to 120 days to fracture and the operator wanted to reduce costs by 30%. Reserves and resources overview moving from prospective resources to reserves information used in shale gasoil evaluations the evaluation cycle duvernay shale overview general observations to date economic implications risks. The frasnian duvernay formation of alberta canada figure 1 is a proven. The duvernay formation is a stratigraphical unit of frasnian age in the western canadian sedimentary basin.
We present mineralogical data from the duvernay formation in western canada, an upper devonian shale in alberta that is the focus of shale oil and gas exploration and development. Reserves and resources overview moving from prospective resources to reserves information used in shale gasoil evaluations the evaluation cycle duvernay shale overview. Location of the duvernay shale in alberta and canada. In 2012 the alberta geological survey ags released an open file report ofr 201206 on albertas shale and siltstonehosted hydrocarbon resources that included those in the duvernay formation. The devonian duvernay shales are proven source rocks for many of the large devonian oil and gas pools in alberta including the leduc discovery in 1947. Formations with high clay components have a lower tendency to form natural fractures. By submitting this form you are consenting to receive the subscriptions you have selected below. Here we present new maturity data 100 %ro and tmax within the duvernay f ormation in alberta, canada, which is compared to data using the conversion formula.
To help our clients evaluate the play, cdl is providing an independent phase i analysis of geology, hydrodynamics, temperature, fluids, completions technology, productivity and economics. People working on individual plays and looking at the assessments are starting to come around to the view that if its a true shale rock, youre unlikely to get a lot of oil out of it at all. Measurements of the states of in situ stress for the duvernay formation near fox creek, westcentral alberta maps of the in situ stress directions and magnitudes at the depth of the duvernay formation within the alberta energy regulators kaybob assessment area centered at the town of fox creek, alberta were constructed from multiple sets of oriented. Thin sweet spots identification in the duvernay formation of. The play fairway extends over some 400 km from the kaybob sub basin in the north to the willesden green basin in the south. Canadas largest shale play is gaining momentum join our community the national energy board of canada released a resource assessment today, examining the duvernay shale of alberta. Duvernay shale companies, news, maps, geology, players, play.
Calgary, alberta, is located just south of the study areas southern end while grande prairie, alberta, is located at the study areas northwest end. The size of the prize in the giant duvernay shale is bigcanadian brokerage firm cibc wood gundy said in a june 14 report the oilpatch could recover 25 billion barrels of liquids and 150 trillion cubic feet of gas. Chevron canada looks forward to realizing the value of this resource from our industryleading position while delivering economic benefits to local communities, alberta and canada. The duvernay formation is mainly quartz and carbonate rich with relatively low clay components resulting in a relatively high brittleness index. Duvernay isotherm map duvernay deepcut yield map duvernay api gravity map engineering and production ipmax production rate and operators map detailed east shale basin completions analysis duvernay east shale basin type curve eur estimates economics uvernay east shale basin nformation package. The duvernay shales have been credited as the source rock for many of the large devonian oil and gas pools in alberta, including the most famous the leduc field discovered in 1947 with the successful development of unconventional shale reservoirs elsewhere in north america, attention has shifted to the duvernay shales in. The duvernay is a complex system, not just a blanket shale. The 72 largest events reached a magnitude of m w 3. East duvernay shale basin chinook consulting services.
You may unsubscribe at any time by clicking on the unsubscribe link at the bottom of our emails. Seismic reservoir characterization of duvernay shale with. As previously disclosed, the ferrybank 0220 and gilby 0120 wells are both in early stages of flow back. The investigation included an assessment of current methodologies utilized to study mudrocks, development of new methodologies, pore to basinscale characterization and integration of core data with wireline logs. Oct 25, 20 chevron canada limited successfully concluded the initial twelve well exploration drilling program in the liquidsrich portion of the duvernay shale play.
The duvernay shale gas play oil and gas investments. Using geological and inplace hydrocarbon data provided by the ags, the neb estimates the duvernay shale contains 3. Chevron planning significant drilling program in duvernay. Jun, 2012 the size of the prize in the giant duvernay shale is bigcanadian brokerage firm cibc wood gundy said in a june 14 report the oilpatch could recover 25 billion barrels of liquids and 150 trillion cubic feet of gas. Spe 167031 3 the total organic carbon toc content of the duvernay formation can exceed 20 wt% in areas of low maturity, but on average, the organic rich shales have toc contents ranging between. The duvernay shale s economic natural gas resource would increase to 932 billion. The average mineralogy of the most productive part of the duvernay shale is 26% clay, 47% silica, and 20% calcitedolomite, comprising an organic shale unit with an average porosity of 6. Account for thermal maturity adjust porosity measurements for toc, which can be calibrated based on radioactivity still significant reliance on core analysis compared to log. Summary of albertas shale and siltstonehosted hydrocarbon resource potential is a public document and serves as a basis for most estimates of potential hydrocarbon resources in key alberta shale formations, but does not address how much of these.
The duvernay shales have been credited as the source rock for many of the large devonian oil and gas pools in alberta. Focal mechanisms of some inferred induced earthquakes in. Duvernay quick overview devonian aged shale targeted zones are high quartz, thermally mature shale before cutoffs can be considered have to. Petrophysical applications of lwd measurements in duvernay. Sep 26, 2017 the duvernay field in canadas western province of alberta holds the countrys largest marketable resources of unconventional light shale oil and condensate, according to a new report from the. Once a productive edge has been characterized, the east basin has potential for blanket development. Rock eval, total organic carbon and adsorption isotherms.
New assessment targets marketable oil and gas resources in. Technically recoverable shale oil and shale gas resources. Duvernay shale overview similar to the cardium, the devonian duvernay formation is part of the western canadian sedimentary basin group. Recognizing duvernay bcarbonate distribution and its.
Pdf in 2012 the alberta geological survey ags released an open file report ofr 201206 on albertas shale and siltstonehosted. It was first described in well anglo canadian beaverhill lake no. Ercbags open file report 201004 rock eval, total organic carbon and adsorption isotherms of the duvernay and muskwa formations in alberta. The importance of preexisting fracture networks for fault. Duvernay shale its make or break for this huge shale play. The play fairway extends over some 400 km from the kaybob sub basin in.
Emerging alberta resource plays wilrich and duvernay. Chevron is developing some of the premier shale plays in the united states and canada. Resource categories when considering the market implications of abundant shale resources, it is important to distinguish between a. Mineralogy of duvernay, muskwa, and montney formations.
Alberta is known for the oil sands, but the duvernay shale formation is threatening to take the spotlight. The national energy board neb, together with the alberta geological survey ags, today released a new resource assessment for the duvernay shale in central alberta that adds significant quantities of marketable light oil resources in the province as well. Estimated potential of 7 to 18 mmbbls of original oil in place per section bmo capital markets pada society presentation march 12, 2018. The formation was named by andrichuk and wonfor in 1954 for duvernay, alberta. A need to understand and model the processes that sour duvernay wells is crucial as souring impacts the. The inclusion of shale gas with conventional gas reserves has caused a sharp increase in estimated recoverable natural gas in canada. By continuing to use this site, you consent to the use of cookies. The duvernay f ormation of the western canada sedimentary basin is. The southern duvernay is emerging as canadas first true shale oil play. Clay types in mudrocks of the upper devonian duvernay. A recent aer open file report suggests an ooip range of 98 to 1 billion bbls in the east shale basin alone.
New assessment targets marketable oil and gas resources in albertas duvernay shale region. Spots in the liquids rich duvernay formation kaybob, alberta, canada. As the duvernay play appraisal progressed since 2010, more wells are testing or producing sour hydrocarbons 0. The duvernay shale basin is a light oil resource play in the initial phase of development.
The duvernay exists over multiple thermal maturity. Apr 27, 2011 alberta has been a latecomer to the shale gas game, but thats about to change in a big way thanks to the emergence of the liquidsrich duvernay play. Duvernay field holds canadas biggest shale oil resources. Until the 1990s success of hydraulic fracturing in the barnett shales of north texas, shale gas was classed as unconventional reserves and was considered too expensive to recover. Pdf hydrocarbon resource potential of the duvernay formation. In 2014, the average daily production from duvernay shale is expected to reach 60 kboed with 50% liquids. A need to understand and model the processes that sour duvernay wells is crucial as souring impacts the economics, health and safety of operations. For weeks, speculation has been building that unknown buyers have been staking out a new shale play in wild rose country, driving land prices at crown mineral auctions to new heights. Seismic reservoir characterization of duvernay shale with quantitative interpretation and induced seismicity considerations a case study satinder chopra 1, ritesh kumar sharma, amit kumar ray2, hossein nemati1, ray morin3, brian schulte 3, and david damico abstract. Watch out america, canada is the next frontier for shale oil canadian producers and global oil majors are increasingly exploring the duvernay and montney.
The duvernay formation devonian frasnian of alberta, canada is a type ii marine, proven. Should well costs continue to fall and crude oil and natural gas prices modestly rise, the duvernay shale s economic oil resource would increase to 350 million m 3 2. Thin sweet spots identification in the duvernay formation. Nutech provides insight into the connectivity of textural attributes of the wells with nulook shale analysis and nuview 2d attribute. In the willesden greenpembinaedson areas, technological advancements have shown a productive and potentially economic oil window exists. South duvernay oil play phase ii technical studies. The national energy board neb, together with the alberta geological survey ags, today released a new resource assessment for the duvernay shale in central alberta that adds significant quantities of marketable light oil resources in the province as well as. The major players developing the east shale basin oil window are vesta energy and artis exploration. East duvernay shale light oil we continue to prudently advance the evaluation of the emerging duvernay light oil play in central alberta.
Five wells have been completed and are tied into production facilities, and an additional four wells are waiting on completion and tiein. The duvernay shale is an emerging oil and liquidsrich gas formation in the western canada sedimentary basin that is thought to hold 443 tcf of natural gas, 11. Duvernay shale economic resources energy briefing note. This map that shows the location of the duvernay shale study area.
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