Niobrara formation. The Niobrara Formation ranges in lithology from limestone to cha...

Applying Machine Learning Technologies in the Niobrara Formation, DJ B

The Niobrara Formation is the fourth largest oil-producing shale play in the continental United States, with production of around 700,000 barrels of oil and 13 million cubic feet of natural gas ...The Pierre Shale is underlain by the calcareous Niobrara Formation and overlain by the Fox Hills Sandstone. Both contacts are conformable and transitional. The base of the Pierre is at the top of a persistent orange-weathering chalk bed that forms a hogback at the top of the Smoky Hill Shale Member of the Niobrara Formation.New data on cranial measurements and body length of the mosasaur, Tylosaurus nepaeolicus (Squamata; Mosasauridae), from the Niobrara Formation of western Kansas. Kansas Academy of Science, Transactions 105(1-2):33-43. Everhart, M. J. 2002.4. The Niobrara Formation in this area is defined as the stratigraphic equivalent of the interval between 5977' and 6277' as found in the Peterson PC LG 19-06 Well located in the SENW of Section 19, Township 8 North, Range 59 West. The Niobrara Formation is a common source of supply underlying the Application Lands. 5.Pachyrhizodus caninus skeletons.JPG 2,272 × 1,704; 986 KB. Pachyrhizodus caninus.png. Pachyrhizodus leptognathus Exhibit Museum of Natural History.JPG. Pachyrhizodus sp. (fossil fish with preserved gut) (Niobrara Formation, Upper Cretaceous; Trego County, Kansas, USA) 1 (34440152065).jpgニオブララ累層(ニオブララるいそう)は、後期白亜紀のコニアシアン、サントニアン、カンパニアンにあたる8700 - 8200万年前に堆積した、北アメリカの地層。 2つの構造ユニットからなり、スモーキーヒルチョーク部層がフォートヘイズ石灰岩部層の上に横たわっている。Niobrara Formation in North Dakota is a gray to tan calcareous shale that was deposited in the shallow waters of the Cretaceous Interior Seaway around 80 million years ago. The Niobrara Formation can be found throughout the mid-continent of the U.S. and Canada and was named for exposures near the mouth of the Niobrara River in Knox County ...The Niobrara Formation in the studied cores appears to be hiatus-free and therefore provides a continuous record of rhythmic deposition for astronomical timescale development. The relationship between carbonate content and sedimentation rate throughout the Niobrara Formation indicates that the decameter-scale oscillations of chalk and marl are ...The Niobrara Formation was deposited in a shallow marine environment along a sea that extended between the present day Arctic Ocean and Gulf of Mexico (Diffendal and Voorhies, 1994), and is ...Geologic Formations. Cracked Cliffs. NPS photo. The geography of the present Niobrara River valley is closely tied to the Sandhills of Nebraska. Geologists estimate that deposition began about 98 million years ago, when marine seas once covered the area.In addition to the Niobrara Formation, other possible source rocks in the Denver Basin include the Cretaceous Belle Fourche (Graneros), Mowry, and Carlile shales, as well as the Greenhorn Formation. Oil generation in these formations began during the Laramide orogeny and continued through the Miocene (Higley and Cox, 2007).Niobrara formation in the Denver-Julesburg Basin; did you know? EIA has improved its play and well identification methods, which has altered production volumes at various plays and has shifted classification of some wells from tight to other non-tight categories. Because EIA changed the geologic model it uses to determine formation-level ...source rocks of the Phosphoria Formation, which contain Type-IIS kerogen, occurred in the Late Cretaceous (80 to 73 Ma [million years]). Gas generation from the cracking of Phosphoria oil reached a peak in the late Paleocene (57 Ma) only in the deepest parts of the province. The Mowry Shale, Niobrara Formation, and Baxter Shale (and equivalents)April 30, 2020 Sections of the Upper Cretaceous (Coniacian to Campanian) Niobrara Formation in two cores from Kansas and Colorado, the Amoco Rebecca Bounds and USGS Portland 1, respectively, were examined by hyperspectral core imaging and analysis.Geology Site 2 - At this road cut, the Cretaceous Niobrara Formation is overlain by the Pembina Member, the lowermost member of the Pierre Shale in the area. These rocks were laid down in oceans that covered most of North Dakota about 84 million years ago. The Niobrara consists of light-gray to yellowish-tan, blocky, calcareous marl. Stratigraphic distribution of the nodosaurid specimens in the Niobrara Formation, Kansas. The exact levels of YPM 1847, YPM 55419 and KUVP 25150 are approximate within the range of the bars.The Cretaceous Niobrara Formation is a prolific organic-rich hydrocarbon reservoir throughout the greater U.S. Rocky Mountain region. Resistivity mapping is a common tool used for maturity mapping ...When exceeded, a N 2 gas phase forms in the sedimentary unit. N 2 gas-phase formation partitions other pore-water-dissolved gases from the water into the new gas phase, including He (and H 2 if ...operation of the Niobrara Formation. B. Provide that the Commission's pooling order is made effective as of the earlier of the date of this Application, or the date that any of the costs specified in § 34-60-116(7)(b), C.R.S. are first incurred for the drilling of the Wells in the Niobrara Formation on the Application Lands.Geologic Formations. Cracked Cliffs. NPS photo. The geography of the present Niobrara River valley is closely tied to the Sandhills of Nebraska. Geologists …Calibrated petrophysical model for elevated organic matter intervals and mineralogical variability in the Agrio Formation, Neuquén Basin, Argentina. Raul I. Ochoa, Lauren P. Birgenheier, Ernesto Schwarz, Jesús M. Salazar. Article 105913.Niobrara formation in the Denver-Julesburg Basin; did you know? EIA has improved its play and well identification methods, which has altered production volumes at various plays and has shifted classification of some wells from tight to other non-tight categories. Because EIA changed the geologic model it uses to determine formation-level ...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 surface of the Earth at depths of three thousand to fourteen thousand.Jul 7, 2023 · Assigned formation rank (Sage Breaks Shale) in northwest Carbon Co, WY, Greater Green River basin. Here unit overlies Frontier Formation and underlies Niobrara Formation. Assigned as lower member of Cody Shale in Natrona Co, WY, in Wind River basin and as upper member of Carlile Shale in Weston Co, WY, eastern Powder River basin. Estimated Ultimate Recoveries (EURs) were made for approximately 600 productive wells from the geopressured Niobrara Formation in the Denver-Julesburg (DJ), 520 wells, and Powder River, 80 wells, basins. EUR estimates were calculated using Drillinginfo's web based EUR calculator and all wells were normalized to a 9,000 foot horizontal length.Niobrara Formation (Late Cretaceous) at surface, covers 1 % of this area. 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 ...A check-list of the fossil and prehistoric - Biodiversity Heritage LibraryProtostega is an extinct genus of turtle that lived in North America during the Late Cretaceous. Protostega is the second largest turtle that ever existed, being 3 meters (9.8 feet) long, only beat by Archelon and longer than Stupendemys. Protostega's shell lacked ossification, which helped bring the animal down in weight and streamline it for open …Our story may help your county North Carolina Medical Journal 48 (12): 657-659. Reeves Corwin, C.Jr. 1960: A closer look at Love County --; Oklahomas Love County invites new exploration--Part 2 Oil and Gas Journal 58 (1): 116. Smith, R. 1980: Inter-county's feed, egg and retail operations have made it a horizontal success story Feedstuffs 52 ...The Upper Cretaceous Niobrara Formation in the Denver Basin was deposited under pelagic and hemipelagic conditions in well-oxygenated to progressively dysoxic (possibly anoxic) bottom waters (Da Gama et al., 2014). Well 3, drilled in Weld County, Colorado, USA, was investigated in the current study (Fig. 2 A).The formation overlies the Upper Cretaceous Niobrara Formation and is unconformably overlain by the Paleocene and Eocene Coalmont Formation. The Pierre Shale, which consists of an upper sandy member and a lower shaly member, is primarily marine in origin; however, the sandy member includes minor amounts of coal.The Niobrara Formation (latest Turonian to earliest Campanian in age) in Manitoba is up to 73 m thick and consists of a lower calcareous shale succession overlain by chalky shale. A local to regional unconformity exists between the Niobrara and the overlying Pierre Formation; the break is less pronounced to the west (North and Caldwell, 1975 ...The Niobrara Formation (often called the Niobrara Chalk) was deposited during the Late Cretaceous about 80-88 million years ago. This unit is a chalk because it consists mostly of ancient marine plankton. Other marine fossils, including shells and fish bones also have been found in the Niobrara Formation. Similar to the Greenhorn Limestone, the ...The Niobrara Formation consists of up to 750 feet of chalk. The outcrop belt trends southwest from north-central Kansas. The Fort Hays Member is a light-gray to very light-yellow chalk; it is massively bedded and has thin, light to dark-gray, chalky-clay partings. The Fort Hays Member forms up to the basal 90 feet of the Niobrara Formation. 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 ...A recent U.S. Geological Survey (USGS) oil and gas assessment of the Powder River Basin , Wyoming and Montana, identified the Upper Cretaceous Mowry Shale and Niobrara Formation as the primary hydrocarbon sources for Cretaceous conventional and unconventional reservoirs. Cumulative Mowry-sourced petroleum production is about 1.2 BBO (billion barrels of oil) and 2.2 TCFG (trillion cubic feet of gasGas, 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 ColoraThe 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. GalleryAbstract. Tylosaurus nepaeolicus (Cope 1874) is one of the least well known of the five species of mosasaurs that are recognized from the lower Smoky Hill Chalk Member (upper Coniacian) of the Niobrara Formation in western Kansas. In describing the type material, Cope stated that this species was one-third or less the size of T. proriger Cope 1869, a species that appeared during the Santonian ...operation of the Niobrara Formation. B. Provide that the Commission’s pooling order is made effective as of the earlier of the date of this Application, or the date that any of the costs specified in § 34-60-116(7)(b), C.R.S. are first incurred for the drilling of the Wells in the Niobrara Formation on the Application Lands.Niobrara Formation. For ash to be the key to organic enrichment (1) a connection must exist between Oceanic Anoxic Events (OAEs) and voluminous ash fall and, (2) altered ash must largely be un-quantified in sedimentary rocks. Ross et al. (2005) observed “the near-ubiquitousmantelli from the Niobrara Formation demonstrate stark differences. Unlike most sharks, C. mantelli has a surprisingly complete fossil record, with multiple specimens preserving both teeth and postcranial material. Vertebrae from this species tend to be large, exhibiting typical lamnoid-type centra, with a pair of cartilage foramina for both ...The samples from the Niobrara Formation have T max values ranging from 419 to 427 °C with an average of 423 °C. Geochemistry. The generative potential for hydrocarbons is estimated based on total pyrolyzable organic carbon content (TOC), thermal maturity, and kerogen type (Hood et al., 1975). Cuttings are often viewed as potentially ...5. Testimony was heard by the Hearing Officer that indicates that a common source of oil, gas and associated hydrocarbons Niobrara Formation underlies, in addition to the area set forth in Order No. 407‑1 and subsequent orders, the following described lands in Adams, Boulder and Weld Counties, Colorado, to‑wit:Cretaceous Niobrara Formation and unconformably underlies the Paleocene and Eocene Coalmont Formation. The Pierre Shale in North Park consists of marine shale, sandstone, and siItstone, and minor, thin sequences of coal, carbonaceous shale, and conglom­ erate. The formation has been divided into two members: a lower shaly member ofResistivity reversal is a significant phenomenon and is exhibited on well-log cross sections for the Niobrara Formation in the Piceance, Sand Wash, and Denver basins (Al Duhailan and Cumella, 2014 ...Rice DD (1984) Relationship of hydrocarbon occurrence to thermal maturity of organic matter in the Upper Cretaceous Niobrara Formation, eastern Denver Basin: evidence of biologic versus thermogenic origin of hydrocarbons. In: Woodward J, Meissner FF, Clayton JL (eds) Hydrocarbon source rocks of the Greater Rocky Mountain Region.The Niobrara Cycle is represented by the Niobrara Formation and regression of this cycle is represented by the Gammon Ferruginous Formation in the Black Hills and western Kansas. During this eustatic sea level regression the eastern stable platform experienced a period of erosion, represented by an unconformity at the top of the Niobrara Formation.The Niobrara Formation (latest Turonian to earliest Campanian in age) in Manitoba is up to 73 m thick and consists of a lower calcareous shale succession overlain by chalky shale. A local to regional unconformity exists between the Niobrara and the overlying Pierre Formation; the break is less pronounced to the west (North and Caldwell, 1975 ...The Niobrara Formation shows higher resistivity than the underlying CarlileFormation and overlying Pierre Shale. • TOC measurements range between 0.11 and 6.10 wt%, averaging 2.31 wt% throughout the Niobrara Formation. • Upper B Bench and C Marl have the best source rock properties. However, the C Marl is not present across the whole of the ...Widespread disconformities have been found within the Carlile Shale and between the Carlile Shale and the Niobrara Formation. Less extensive disconformities are within the Greenhorn Formation, the Niobrara Formation, and the Pierre Shale. First posted October 11, 2011. Sheet 1 PDF (109 kb)1. Below the Pierre Formation. There are 13,000 feet of layers below Pierre that were deposited over the course of 470 million years. About 8,000 feet below Pierre are the Bakken and Three Forks formations where oil is located. 2. Pierre Formation and Niobrara Formation. Pierre and Niobrara are the lowest (or earliest) layers exposed in North ...Oct 6, 2008 · The Fort Hays limestone is the lower member of the Niobrara formation (Moore, Frye, and Jewett, 1944, p. 152) of Cretaceous age. The Fort Hays member is recognized in the field primarily by its thick massive beds and small amount of shale. Chalky shale is the major constituent of the overlying Smoky Hill chalk. Here, perdeuterated methane (CD4) behavior was investigated in a sample from the Late Cretaceous Niobrara Formation at the late oil/wet gas window using wide Q- ...concentrations in Niobrara-influenced inflows were 288%, 863%, and 155%, respectively, greater than median concentrations where the Niobrara Formation was absent. IdentificationApril 30, 2020 Sections of the Upper Cretaceous (Coniacian to Campanian) Niobrara Formation in two cores from Kansas and Colorado, the Amoco Rebecca Bounds and USGS Portland 1, respectively, were examined by hyperspectral core imaging and analysis.Pachyrhizodus caninus skeletons.JPG 2,272 × 1,704; 986 KB. Pachyrhizodus caninus.png. Pachyrhizodus leptognathus Exhibit Museum of Natural History.JPG. Pachyrhizodus sp. (fossil fish with preserved gut) (Niobrara Formation, Upper Cretaceous; Trego County, Kansas, USA) 1 (34440152065).jpgMar 17, 2014 · The Niobrara formation, consisting of a series of chalky beds, crops out only in the extreme northwest corner of Russell County, where a maximum thickness of about 100 feet remains uneroded. The lower part consists of massive beds of chalk containing few impurities, white and rather soft above and tan and harder below; the upper part consists ... Niobrara County, Wyoming. The Lance (Creek) Formation is a division of Late Cretaceous (dating to about 69 - 66 Ma) rocks in the western United States. Named after Lance Creek, Wyoming, the microvertebrate fossils and dinosaurs represent important components of the latest Mesozoic vertebrate faunas. The Lance Formation is Late Maastrichtian ...A continuous core in western Kansas from the middle part of the Smoky Hill Member of the Niobrara Formation to the top of the Morrison Formation (Upper Jurassic) records several scales of depositional cycles in the Western Interior Seaway. Chronostratigraphy of this section has been calibrated by a multidisciplinary study of nannofossils ...The Late Cretaceous Niobrara Formation of the southern Powder River Basin (PRB) is known as a prominent source rock and oil and gas reservoir. The Formation contains intervals of chalks, marls and calcareous shales. The Niobrara can be defined as a deep-water hemipelagic carbonate mudrock. During the Late Cretaceous, the Western Interior Seaway covered the Powder River Basin depositing calcium ...Nebraska has more miles of rivers than any other state in the nation. Four major rivers exist in Nebraska, in addition to smaller ones. The Platte, the Niobrara, the Missouri and the Republican all drain many square miles of land.Oct 1, 1990 · The Silo field is located in the northern part of the Denver basin. Production is from the fractured Niobrara Formation at depths ranging from 7,600 to 8,500 ft (2,318 to 2,593 m). Cumulative production from 40 vertical wells at Silo is in excess of 1.3 million bbl of oil. Two wells have produced 437,000 bbl of oil. The Skull Creek Formation is a succession of marine mudstones and sandstones within the Lower Cretaceous Dakota Group. The formation contains the earliest record of marine deposition and ocean connection in the Western Interior seaway, yet its depositional environments, stratigraphic correlations, and paleogeographic evolution …NIOBRARA FORMATION Organic-rich shales with some carbonates Guam Near Ft. Collins, CO SHANNON, SUSSEX, PARKMAN, AND TEAPOT FORMATIONS Marine bar/marginal marine sandstones within shales Virginia Coast Shannon Fm Near Edgerton, WY BOGGY CREEK FIELD • Niobrara County, ...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 has been drilled in the liquids window along the western and northern margins of the Piceance Basin from 2014 to 2018, with longer lateral lengths and higher proppant ...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.Niobrara Formation (Kn) - Light-colored limestone and gray to yellow speckled limy shale. Frontier Formation (Kf) - Gray sandstone and sandy shale. Mowry Shale (Kmr) - Silvery-gray hard siliceous shale containing abundant fish scales and bentonite beds. Thermopolis Shale - Black soft fissile shale; Muddy Sandstone Member at top.Saboor, Abdus, Ahmad, Jalil, Khan, Suleman, Latif, Khalid, Khan, Abuzar, Haider, Arbab T. (2021): Foraminiferal biostratigraphy, facies and sequence stratigraphy ...Xiphactinus audax 87 and 82 million years ago during the Coniacian, Santonian, and Campanian stages of the Late Cretaceous Niobrara Chalk Formation, ...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 ColoraAbstract. The Powder River Basin (PRB) unconventional source rock play in Upper Cretaceous Niobrara Formation is exploits up to four different landing zones, …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 calcareous, carbonate-rich ...1 oct. 2021 ... Niobrara Formation. 7 Favourites 0 Comments 1K Views. Image size. 1214x653px 456.3 KB. © 2021 - 2023 AlecZilla51297. Iguanodon's Tooth. 0 ...Cores taken from the Sangre de Cristo Formation, extracted within the basin, suggest permeabilities between 10 −16 –10 −15 m 2 (Bohlen, 2013). The resulting diffusivity is around 0.001–0.01 m 2 /s. ... Niobrara Formation and Benton Formation. The hydraulic barrier was simplified into a single unit with hydrogeologic characteristics ...Underlain by Niobrara formation; overlain by Shannon member. Shows isopach map and correlation of sandstone beds in the upper part of the member in electric-log correlation diagrams. Varies in thickness from 850 to 1,200 ft in the central Powder River basin.Bighorn Basin, the Niobrara is represented by shales, calcare-ous shales, marls, siltstones, and sandstones in the lower shaly member of the Cody Shale (Finn, 2014, 2019) (fig. 4). The maps presented in this report were constructed as part of a project carried out by the U.S. Geological SurveyThe 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 Skull Creek Formation is a succession of marine mudstones and sandstones within the Lower Cretaceous Dakota Group. The formation contains the earliest record of marine deposition and ocean connection in the Western Interior seaway, yet its depositional environments, stratigraphic correlations, and paleogeographic evolution …. A continuous core in western Kansas from the middlThe stratigraphy of the Smoky Hill Chalk Member of The Niobrara Formation is lacking in maturity with low transformation ratio (0.0075-0.035) and extremely low amounts of expelled oil (0.006-0.008 Mtons). We expected these results given the immature T max values from Rock Eval (Fig. 10). However, modeling was required to fully understand the current state of hydrocarbon generation in the ... ABSTRACT Collaborative Research: Integrating Radioisot concentrations in Niobrara-influenced inflows were 288%, 863%, and 155%, respectively, greater than median concentrations where the Niobrara Formation was absent. IdentificationA check-list of the fossil and prehistoric - Biodiversity Heritage Library Niobrara Formation (KS) Niobrara Formation (Smoky Hill Mem...

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