Niobara formation

The Cretaceous Niobrara Formation and Codell Member of the Carlile Formation are the top producing unconventional zones in the Denver-Julesburg Basin. The basin encompasses eastern and northeastern Colorado, southeastern Wyoming, southwestern Nebraska, and far western Kansas. The Codell member of the Carlile Formation is a tight sandstone 4 to ...

Niobrara Formation. Light-brown to dark-gray calcareous shale; marine offshore sediment; as thick as 75 metres (250 feet). State. North Dakota. Name. Niobrara Formation. Geologic age.Niobrara Formation. Argillaceous chalk, limestone and shale. Chalk is medium gray to white, interbedded with thin layers of chalky shale; contains many fossil clams, oysters, and formanifera. Limestone is light gray to medium gray and yellowish gray, interbedded with medium-gray chalky shale; also contains fossil clams, oysters, and formanifera. Ctenochelys stenopon.ls (USNM 357166) from the Niobrara Formation, Upper Cretaceous, Kansas, USA. Photographs of the lower jaw in B -dorsal, D -lateral and F -medial view. Scale bar 10 rum.Nov 1, 2014 · The Cretaceous Niobrara Formation is one of the latest unconventional exploration targets in North America. In this paper, an overall Type-II marine organofacies with some variability is present within a core which consists of alternating marls and chalks, covering a maturity range of 0.8–1.0 %Rc (calculated vitrinite reflectance). The Upper Cretaceous carbonate-rich Niobrara Formation is a prominent petroliferous unconventional reservoir that is generally characterized by fine-scale heterogeneities that complicate local and ...the Niobrara Chalk Formation. We discuss below am-ple reason for considering this specimen a distinct ge-nus. More recently, another fragmentary nodosaurid skeleton was found by J. D. Stewart on May 24, 1973. The specimen was found in the middle part of the Smoky Hill Member of the Niobrara Chalk Formation

The Niobrara Shale formation is an oil and natural gas play spanning northeastern Colorado and portions of Kansas, Nebraska, and Wyoming. The shale in the formation ranges from 900 feet to 1,800 feet thick. The Niobrara region was formed approximately 145.5 million years to 65.5 million years ago by an inland sea that deposited layers of shale ...The Niobrara Formation in the Denver Basin is an unconventional oil and gas play composed of highly cyclic, alternating chalk and marl units. These units act as the source, seal and trap for hydrocarbons generated in the organic rich marl beds of the Niobrara. The organic-rich marls act as source rocks and represent periods of anoxia and organic preservation. The …The Smoky Hill Member of the Niobrara Chalk is composed primarily of olive-gray, well-laminated to nonlaminated impure chalk, which is mostly foraminiferal pelmicrite with packstone or wackestone texture. The rock is characterized by well-stratified grain fabric.The portion that lies within the Denver-Julesburg (DJ) Basin is a combination shale/marl/chalk/sandstone formation that lies at depths 5,500′-8,500′, and is comprised of three separate zones ...Current interests are focused on the Niobara Formation, which is the primary target for oil and gas operations in the Denver basin. The potential of the Greenhorn Formation has also begun to drawn attention in the last few years. With such an abundance of activity, there is a need to further development of our understanding of these sedimentary ...The Upper Cretaceous Niobrara formation yields natural gas of biogenic origin from structural closures on the shallow-dipping east flank of the Denver basin and the northern plunge of the Las Animas arch. Current production is from structural traps in the Smoky Hill member of the formation, with most of the fields located in Colorado and Kansas ...Jul 25, 2018 · The Niobrara Total Petroleum System (TPS) covers an extensive area across the Rocky Mountain Region, USA. In the Powder River Basin (PRB), the petroleum system consists of source beds in the Upper Cretaceous Niobrara Formation as well as reservoirs in the Upper Cretaceous Frontier, Turner, Niobrara, Sussex, Shannon, Parkman, Teapot, and Teckla, and Paleocene and Eocene Fort Union and Wasatch ...

The river rises in the High Plains of Wyoming, in southern Niobrara County. The Niobrara flows east as an intermittent stream past Lusk and southeast into northwestern Nebraska. It then flows southeast across the Pine Ridge country of Sioux County, then east through Agate Fossil Beds National Monument, past Marsland, and through Box Butte ...The late Famennian strata of the Marhouma outcrop, located in the Saoura (Algerian Sahara), consist of two formations: the Argiles de Marhouma Formation and the overlying Grès de Marhouma Formation. The former is characterized primarily by fine-grained turbidite successions, intersperse with griotte limestones bearing a pelagic …The Niobrara Formation in the Denver Basin, USA, is one of many Laramide-age foreland basins that segmented the greater Cretaceous Western Interior Basin ( Figure 2).The Niobrara Formation consists of deep-water chalks and marl units in the Denver Basin. Chalk units are generally considered the reservoir rock while the marls contain higher total organic carbon (TOC) contents and are considered the source beds. Chalk and marl units consist of microscopic coccoliths, forams (dominantly pelagic), …The Niobrara Formation of the Denver Basin is an unconventional oil and gas drilling target composed of alternating chalk and marl units. These units act as the source, seal and trap for hydrocarbons generated in the total organic-carbon-rich marl beds of the Niobrara.

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In 1991, Union Pacific Resources Company (UPRC) stimulated four horizontal wells in the Niobrara Formation in the Silo field, Laramie County, Wyoming.The Niobrara Formation consists of deep-water chalks and marl units in the Denver Basin. Chalk units are generally considered the reservoir rock while the marls contain higher total organic carbon (TOC) contents and are considered the source beds. Chalk and marl units consist of microscopic coccoliths, forams (dominantly pelagic), …The productive Niobrara Formation in the basin contains calcareous shale, shaley limestone, and marls as reservoir rocks. According the USGS, reservoir zones in the Niobrara range from 50 to 200 feet in thickness, however, there have been wells drilled in the basin where the zones were near 400 feet.CSP #6. Special offer price (previously £38) This volume presents the results of a study of carbonate and clastic rocks in cores collected along a transect ranging from hydrocarbon source rocks in Kansas and eastern Colorado to coal-bearing units in western Colorado and Utah. Objectives covered include: the timing of sea-level change, …

Shapefile White to dark-gray argillaceous chalk, marl, and shale. Weathers yellow to orange. Contains thin, laterally continuous bentonite beds, chalky carbonaceous shale, minor …7 Oca 2013 ... The Niobrara formation extends from Canada to New Mexico, but the vast majority of the oil and gas concentration is in Colorado and Wyoming.The Niobrara Formation /ˌnaɪ.əˈbrærə/, also called the Niobrara Chalk, is a geologic formation in North America that was deposited between 87 and 82 million years ago during the Coniacian, Santonian, and Campanian stages of the Late Cretaceous. It is composed of two structural units, the Smoky … See moreThe Niobrara Formation has been the primary historical exploration target since the late 1980's due to success at the Silo Field from horizontal wells drilled in the Niobrara B Bench. In 2009, EOG Resources discovered the Hereford Field with the Jake 02-01H, producing approximately 1700 barrels of oil per day initially from the Niobrara B Bench.Jul 25, 2018 · The Niobrara Total Petroleum System (TPS) covers an extensive area across the Rocky Mountain Region, USA. In the Powder River Basin (PRB), the petroleum system consists of source beds in the Upper Cretaceous Niobrara Formation as well as reservoirs in the Upper Cretaceous Frontier, Turner, Niobrara, Sussex, Shannon, Parkman, Teapot, and Teckla, and Paleocene and Eocene Fort Union and Wasatch ... Niobrara Shale Overview. The Niobrara shale formation is situated in northeastern Colorado and parts of adjacent Wyoming, Nebraska, and Kansas. Primarily an oil play, it is in the Denver-Julesburg Basin, which has long been a major oil and gas province. Technological advances in horizontal drilling and hydraulic fracturing in the last decade ... Abstract. The Late Cretaceous (89–82 Ma) Niobrara Formation is the primary target for unconventional horizontal well activity in the Denver Basin. With an abundance of …The Late Cretaceous (89-82 Ma) Niobrara Formation is the primary target for unconventional horizontal well activity in the Denver Basin. With an abundance of horizontal activity, the question of ...SandRidge Energy Inc., stumbling financially as it dwells in a lower-priced commodity world, is once again attempting to diversify its operations by acquiring proved reserves and producing wells ...In the News: Associated natural gas production increased 9% in 2022 due to higher crude oil production . In 2022, annual production of associated-dissolved natural gas (or associated natural gas) increased 9% to 15.5 billion cubic feet per day (Bcf/d) in the major U.S. onshore crude oil-producing regions (Permian, Bakken, Eagle Ford, Niobrara, and Anadarko) mostly due to an 8% increase in ...Goody, P., 1970, The Cretaceous teleostean fish Cimolichthys from the Niobrara Formation of Kansas and the Pierre Shale of Wyoming, Am. Mus. Novitates 2434:1-29. Google Scholar Goody, P., 1976, Enchodus (Teleostei: Enchodontidae) from the Upper Cretaceous Pierre Shale of Wyoming and South Dakota with an evaluation of the North American ...

Scenic, Recreational. Designated. May 24, 1991. The Niobrara National Scenic River is in north-central Nebraska, United States, approximately 300 miles (480 km) northwest of Omaha. In 1991, Congress set aside 76 miles (120 km) for preservation under the management of the National Park Service with assistance from the local Niobrara Council.

Niobrara Formation. The Niobrara Formation was named by Meek and Hayden in 1862 from exposures along Missouri River near the mouth of Niobrara River in Knox County, …The river rises in the High Plains of Wyoming, in southern Niobrara County. The Niobrara flows east as an intermittent stream past Lusk and southeast into northwestern Nebraska. It then flows southeast across the Pine Ridge country of Sioux County, then east through Agate Fossil Beds National Monument, past Marsland, and through Box Butte ...Name applied as the basal member of the Niobrara Formation to a 40 ft thick gray hard limestone above the Carlile Shale and beneath the Smoky Hill Shale Member of the Niobrara. Occurs in the Pueblo area, Pueblo Co, CO in the Denver basin as 40 layers of limestone, 1-26 inches thick, separated by gray calcareous shale.The Smoky Hill Chalk Member of the Upper Cretaceous Niobrara Formation is a sedimentary deposit formed in the Western Interior Seaway of North America. Here, we examined a fossiliferous bonebed ...The Niobrara Formation was named by Meek and Hayden in 1862 from exposures along Missouri River near the mouth of Niobrara River in Knox County, Nebraska. In Kansas, rocks belonging to the Niobrara have long attracted attention because they form some of the more spectacular landscape features of western Kansas, such as Castle Rock (Pl. 4A ...Using observations and descriptions of drilling cores, image logging, microscopic section, argon ion polishing field emission scanning electron microscopy, X-ray diffraction, and whole-rock trace element analysis, the study of shale reservoir diagenesis and space types in the Fengcheng Formation of the Mahu Sag was conducted. …Jan 20, 2018 · Possibly, however, the numerous local disturbances in the formation may indicate other causes. Plates XXXIII and XXXIV. Plate XXXIII—Outcropping of Niobrara Chalk, Plum Creek, Gove County. (Photographed by Williston.) From Kan. Acad. Sci., vol. XIII. Plate XXXIV—Niobrara Bluffs, Gove County. (Photographed by Williston.)

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7 Oca 2013 ... The Niobrara formation extends from Canada to New Mexico, but the vast majority of the oil and gas concentration is in Colorado and Wyoming.The goal of this field-based research project is to establish a tight oil field laboratory in the Powder River Basin (PRB). The field laboratory will be used to characterize and overcome the technical challenges of developing two large, emerging unconventional/shale oil formations, the Mowry Shale, and the Belle Fourche Shale, with the challenging tight sands of the Frontier and Niobrara ...Nov 29, 2018 · Gas, oil, and water production data were compiled from selected wells in two tight gas reservoirs-the Codell-Niobrara interval, comprised of the Codell Sandstone Member of the Carlile Shale and the Niobrara Formation; and the Dakota J interval, comprised mostly of the Muddy (J) Sandstone of the Dakota Group; both intervals are of Cretaceous age-in the Wattenberg field in the Denver Basin of Colora The Niobrara Total Petroleum System (TPS) covers an extensive area across the Rocky Mountain Region, USA. In the Powder River Basin (PRB), the petroleum system consists of source beds in the Upper Cretaceous Niobrara Formation as well as reservoirs in the Upper Cretaceous Frontier, Turner, Niobrara, Sussex, Shannon, Parkman, Teapot, and Teckla, and …The formation contains diverse and abundant deep water or dominantly deep water trace fossils (i.e. Belorhaphe, Chondrites, Helminthopsis, Nereites, Megagrapton). ... ceous Niobara Formation ...Ctenochelys stenopon.ls (USNM 357166) from the Niobrara Formation, Upper Cretaceous, Kansas, USA. Photographs of the lower jaw in B -dorsal, D -lateral and F -medial view. Scale bar 10 rum.Niobrarasaurus (meaning "Niobrara lizard") is an extinct genus of nodosaurid ankylosaur which lived during the Cretaceous 87 to 82 million years ago. Its fossils were found in the Smoky Hill Chalk Member of the Niobrara Formation, in western Kansas, which would have been near the middle of Western Interior Sea during the Late Cretaceous.Feb 23, 2017 · It is clear that the remarkably pronounced approximately 1.2-Myr rhythm in the primary stratigraphy of the Niobrara Formation is a consequence of the reinforcement of a 1.2-Myr obliquity forcing ... The contact between the Carlile Shale and the overlying Niobrara Formation is marked by an unconformity in much of the outcrop area, but where an unconformity is not discernible, the boundary is typically placed at the first resistant, fine-grained limestone bed at the base of the Niobrara Formation. GalleryThe Niobrara Formation contains late Turonian to earliest Campanian (Cobban et al., 2006; Sageman et al., 2014) interbedded chalks and marls deposited in shallow (≤ 300 m) waters in the eastern ... ….

The Niobrara Formation was deposited in the Western Interior Seaway (WIS), which filled an active foreland basin during the Upper Cretaceous. The WIS experienced important oceanographic variations ...6 Tem 2016 ... La Niobrara Formacio / ˌ n aɪ . ə ˈ b r ær ə / , ankaŭ nomita la Niobrara Kreto, estas geologia formacio en Nordameriko kiu estis deponita ...MLA formatting refers to the writing style guide produced by the Modern Language Association. If you’re taking a class in the liberal arts, you usually have to follow this format when writing papers. In addition to looking at MLA examples, ...One of the formations in North America targeted by Othniel Charles Marsh during the 1870’s and later George and Charles Sternberg, this is the most important Cretaceous …The Niobrara varies in thickness from about 60 metres (200 feet) to more than 270 metres (890 feet) and consists of chalks, shales, limestones, and many thin layers of bentonite (altered volcanic ash deposits that appear like soapy clays). Pteranodon skeleton and restoration of wings. The Niobrara marks the withdrawal of the Cretaceous seas ...Possibly, however, the numerous local disturbances in the formation may indicate other causes. Plates XXXIII and XXXIV. Plate XXXIII—Outcropping of Niobrara Chalk, Plum Creek, Gove County. (Photographed by Williston.) From Kan. Acad. Sci., vol. XIII. Plate XXXIV—Niobrara Bluffs, Gove County. (Photographed by Williston.)The Niobrara Formation is an alternating calcareous chalk/marl system, biologically defined by fecal pellets and robust foraminifers including Heterohelix globulosa, Globigerinelloides ultramicrus ...Mosasaur (Tylosaurus proriger) Mosasaur fossil from the Cretaceous Niobrara Formation (~82 million years old), collected in Logan County, Kansas. Tylosaurus is the state fossil of Kansas. This specimen was discovered in 1911 by C.D. Bunker and his associates, and now resides at the KU Natural History Museum. It is 45 feet long and known as one ...The Niobrara Formation was deposited in the Western Interior Seaway (WIS), which filled an active foreland basin during the Upper Cretaceous. The WIS experienced important oceanographic variations ...Introduction The recent increase in North American unconventional oil and gas production has spurred exploration efforts into organic rich formations throughout the … Niobara formation, History. Niobrara was founded in 1856, when a group of men headed by a Dr. Benneville Yeakel Shelly marked their claim to an area on the banks of the Missouri River.There, a fort was built to protect the early settlers from Indian attacks. The settlement took its name from the Niobrara River.. Geography. Nebraska highways 12 and 14 run through the village, Highway 14 …, 1. Introduction The recent increase in North American unconventional oil and gas production has spurred exploration efforts into organic rich formations throughout …, for the Niobrara, Fort Hays, Codell, and Carlile Formations. 5. On February 22, 2010, the Commission entered Order No. 421-1 which, among other things, ..., A full block style format for a letter means all the text is left justified. This varies from a semi-modified block style format in which some elements are right justified. Full block format is a formal style that is common for business let..., Jul 9, 2009 · Formation No. 3--Niobrara; Formation No. 2--Fort Benton; Formation No. 1--Dakota; Cretaceous rocks were mapped in Kansas as early as 1857 (Hayden) but detailed study proceeded slowly as evident in a remark by Swallow (1866, p. 10), in his first annual report as State Geologist of Kansas, that the "... , Assessment of the Mowry Shale and Niobrara Formation as Continuous Hydrocarbon Systems, Powder River Basin, Montana and Wyoming By Lawrence O. Anna and Troy A. Cook. Abstract. The text in this poster was presented at the American Association of Petroleum Geologists Section Conference in Denver, Colo., on July 9, 2008., In the Upper Cretaceous Niobrara Formation shale oil play, considerable oil fractions are produced directly from C 14+ bitumen in place (e.g., extractable organic matter). ). This paper provides new insights on the geochemistry and producibility of C 14+ bitumen by integrating the full process of generation, retention, conversion, expulsion, and production, as a whole, in the Niobrara shale ..., The Cretaceous Niobrara Formation is one of the latest unconventional exploration targets in North America. In this paper, an overall Type-II marine organofacies with some variability is present ..., The Niobrara Total Petroleum System (TPS) covers an extensive area across the Rocky Mountain Region, USA. In the Powder River Basin (PRB), the petroleum system consists of source beds in the Upper Cretaceous Niobrara Formation as well as reservoirs in the Upper Cretaceous Frontier, Turner, Niobrara, Sussex, Shannon, Parkman, Teapot, and Teckla, and …, These tributaries flow over the Rosebud Formation. Some waterfalls drop into the Niobrara, while others are found in spring-fed streams. The Ogallala Aquifer, a fragile, vast underground reservoir, is partially recharged by rainwater and snowmelt. Through springs, seeps, and waterfalls it provides most of the water to the Niobrara. Biological ..., Jul 25, 2018 · The Niobrara Total Petroleum System (TPS) covers an extensive area across the Rocky Mountain Region, USA. In the Powder River Basin (PRB), the petroleum system consists of source beds in the Upper Cretaceous Niobrara Formation as well as reservoirs in the Upper Cretaceous Frontier, Turner, Niobrara, Sussex, Shannon, Parkman, Teapot, and Teckla, and Paleocene and Eocene Fort Union and Wasatch ... , The type specimen of Saurocephalus lanciformis (ANSP 5516) was also the first fossil fish and the first vertebrate to be collected, illustrated and described from the Niobrara Formation. Over the years, the number of named Saurodon / Saurocephalus 'species' grew to eleven, but the number was reduced to two by Bardack and Sprinkle ( 1969)., Apr 10, 2015 · Although mosasaur remains have been discovered on all seven continents, a particularly diverse assemblage is known from the Late Cretaceous Niobrara Formation of western Kansas (Russell 1967). Remains of adult mosasaurs are abundantly preserved in the Smoky Hill Member of the Niobrara Formation, but discoveries of juvenile specimens are rare. , When it comes to job searching, having a great resume is key. A resume is your first impression to potential employers, and it’s important to make sure that you’re presenting yourself in the best possible light. One way to ensure that your ..., It is used as a reference section for the boundary between the Carlile and Niobrara formations. A reference core of the Niobrara Formation is located at 4-16-22-15W4, which also is designated as the type section of the Verger, Medicine Hat and First White Specks members. An outcrop section at the Ghost River Dam Spillway, west of Calgary ..., The Upper Cretaceous Karababa and Karabogaz formations in southeastern Turkey extend from Osmaniye in the west to Diyarbakir in the east, covering an area nearly 300 km long and 150 km wide (Fig. 1). The organic-rich carbonates are similar to the unconventional fluid oil and biogenic gas-producing Niobrara Formation in North America., Marked cycles in color, carbonate and organic-carbon concentrations, geophysical log characteristics (for example, gamma-ray and sonic velocity), degree of bioturbation, and composition of benthic faunal assemblages characterize the pelagic carbonate sequences of the Upper Cretaceous Niobrara Formation in the Cretaceous Western Interior Seaway ofNorth America and seem to be attributable to ..., The Niobrara Formation consists of deep-water chalks and marl units in the Denver Basin. Chalk units are generally considered the reservoir rock while the marls contain higher total organic carbon (TOC) contents and are considered the source beds. Chalk and marl units consist of microscopic coccoliths, forams (dominantly pelagic), …, 2.22 Niobrara Shale. The Niobrara shale formation (Denver-Julesburg Basin, Colorado) is a shale rock formation located in Northeast Colorado, Northwest Kansas, Southwest Nebraska, and Southeast Wyoming. Oil and natural gas can be found deep below the earth's surface at depths of 3000–14,000. Companies drill these wells vertically and even ... , Bill format in Excel is widely used by businesses to create professional and organized invoices. With the right template, you can easily customize and generate bills that suit your specific needs., Niobrara Formation. Gray to dark gray shale with numerous thin bentonite beds. Chalky aggregates of coccoliths and rhabdoliths in upper part. MacGowan Concretionary Bed (middle part of formation): grayish brown concretionary dolostone and limestone with phosphatic pellets and gray to black chert pebbles. Marine., with the natural gas). This ratio is used as an indicator of how wet or dry a particular rock formation is. We use a GOR of 6,000 cubic feet (cf) of natural gas to 1 barrel (b) of oil (cf/b) for each year’s total well, The Niobrara Formation is an alternating calcareous chalk/marl system, biologically defined by fecal pellets and robust foraminifers including Heterohelix globulosa, Globigerinelloides ultramicrus ..., overlying Niobrara Formation (Hemborg, 1993). Hydrocarbon fluids from the two units are commingled in producing wells, and the combined interval is referred to as the Codell-Niobrara interval in this report. Porosity of the Codell, determined from density logs, ranges from less than 8–22 percent. The, Niobrara Formation JSON Shapefile White to dark-gray argillaceous chalk, marl, and shale. Weathers yellow to orange. Contains thin, laterally continuous bentonite beds, chalky carbonaceous shale, minor sand, and small concretions. Thickness up to 150 ft (46 m)., education.aapg.org, The Niobrara Formation limey shale facies have had unusually high mud-gas shows. It has been postulated that this interval may have the potential for high volume of gas reserves from fractured shales, particularly in the Crooks Creek area (Wellborn and Wold, 1993), located to the East of the study area in 27 N–92 W (Fig. 3).Abundant fractures …, Gas, oil, and water production data were compiled from selected wells in two tight gas reservoirs-the Codell-Niobrara interval, comprised of the Codell Sandstone Member of the Carlile Shale and the Niobrara Formation; and the Dakota J interval, comprised mostly of the Muddy (J) Sandstone of the Dakota Group; both intervals are of Cretaceous age-in the Wattenberg field in the Denver Basin of Colora, Niobrara Shale Overview. The Niobrara shale formation is situated in northeastern Colorado and parts of adjacent Wyoming, Nebraska, and Kansas. Primarily an oil play, it is in the Denver-Julesburg Basin, which has long been a major oil and gas province. Technological advances in horizontal drilling and hydraulic fracturing in the last decade ..., The Niobrara Formation is an alternating calcareous chalk/marl system, biologically defined by fecal pellets and robust foraminifers including Heterohelix globulosa, Globigerinelloides ultramicrus ..., Niobrara has huge oil potential Aug. 1, 2012 The Niobrara geologic formation is an oil play in northeastern Colorado and parts of adjacent Wyoming, Nebraska, and Kansas., In the News: Associated natural gas production increased 9% in 2022 due to higher crude oil production . In 2022, annual production of associated-dissolved natural gas (or associated natural gas) increased 9% to 15.5 billion cubic feet per day (Bcf/d) in the major U.S. onshore crude oil-producing regions (Permian, Bakken, Eagle Ford, Niobrara, and Anadarko) mostly due to an 8% increase in ..., The Niobrara Formation of the Denver Basin is an unconventional oil and gas drilling target composed of alternating chalk and marl units. These units act as the source, seal and trap for hydrocarbons generated in the total organic-carbon-rich marl beds of the Niobrara.