Niobrara formation. Aug 24, 2009 · NIOBRARA LIMESTONE. The Pierre shale is underlain by the Niobrara limestone, but this formation does not reach the surface in the portion of Nebraska west of the one hundred and third meridian. As, however, it would be reached by deep borings for artesian water, some of its characteristics should be pointed out. Its thickness is about 50 feet.

Niobrara Formation (Kn): 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.

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 ...Sonnenberg, S. A., 2018, The Niobrara Formation in the southern Powder River Basin, Wyoming: An . emerging giant continuous petroleum accumula tion. Unconventional Resources Techno logy .

• The Niobrara Formation is coeval with part of the lower Blue Gate Shale and Emery Sandstone Members of the Mancos. The starting point for the correlations was the stratigraphic framework for the Niobrara developed at the Colorado School of Mines (Fisher, 2007; Kuzniak, 2009; D. Anderson, written communication, ...The ages are determined by anchoring the long eccentricity bandpass from spectral analysis of the Niobrara Formation to radioisotopic ages with the lowest uncertainty proximal to the boundary, and adding or subtracting time by parsing the 405 k.y. cycles. The new stage boundary age determinations are: 89.75 ± 0.38 Ma for the Turonian-Coniacian ...Assessment of the Mowry Shale and Niobrara Formation as Continuous Hydrocarbon Systems, Powder River Basin, Montana and Wyoming; 2008; OFR; 2008-1367; Anna, Lawrence O.; Cook, Troy A.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 …Niobrara Formation (Upper Cretaceous) at surface, covers < 0.1 % of this area. 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).The contact of the Pierre Shale and the underlying Niobrara Formation may be seen southeast of the town of Wallace along the south side of the South Smoky Hill Valley. The Pierre Shale crops out at many localities in the central and northern parts of the county, particularly along stream valleys. It is typically soft and easily eroded, and low ...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 ...The NUMERICAL AGE of multiple beds within the Niobrara formation and Pierre Shale is known based on. Beds of volcanic ash, which accumulated when wind carried ash from eruptions to the west. Students also viewed. Ch 8. 10 terms. drp87. Geo Class Midterm 2. 40 terms. hprice16. final- earth and life though time ...Niobrara Formation (KS) Niobrara Formation (Smoky Hill Member) (KS) Unknown Stage Niobrara Formation (Smoky Hill Mbr) (KS) Pteranodon longiceps from the Late Cretaceous Niobrara Fm. of Gove County, Kansas (YPM VP 001177). Maps for this species are currently unavailable. Please check back later.

The Upper Cretaceous Niobrara Formation in the Denver-Julesburg Basin records late Turonian to early Campanian climate and orbital cycles and tectonic events. The third-order transgressive-regressive events of the Niobrara Cyclothem govern the character of the pelagic and hemipelagic sedimentation of the formation.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.Named as top formation of Lower Cretaceous series, top of Lower Cretaceous. Formerly called "formation No. 3" (Meek and Hayden, 1857). Type not designated. Named for Niobrara River, Knox Co, NE in Salina basin, where formation forms 90-100 ft cliffs near mouth along Missouri River.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).

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

Abstract. The Mancos-Niobrara formation in western Colorado is estimated by the USGS to contain 66 trillion cubic feet of natural gas. Successfully developing this asset depends on understanding the geology, geomechanics, the impact of fracture length and height, conductivity, fracture spacing, and well spacing on estimated ultimate recovery. The Mancos-Niobrara has tremendous resource ...

The Niobrara Formation is an important source and reservoir for biogenic and thermogenic petroleum in eastern Colorado. The Niobrara and the underlying Codell Sandstone Member of the Carlile Shale contribute 67% of the total oil and 34% of the total gas production in the Wattenberg field in the west-central part of the Denver Basin ...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 ...Fumicollis is known from the marine Smoky Hill Member of the Niobrara Formation (upper Coniacian to lower Campanian ) of Kansas (USA) . A combination of features from the vertebrae, pelvis, femur, tibiotarsus, and tarsometatarsus were used to diagnose the genus . These include an elongate preacetabular pelvis, expanded lateral …The Niobrara play in the Powder River Basin (PRB) and Trabing Field reflects a continuous-type accumulation with structural deformation and complex stratigraphy reflected at all scales. The field was previously studied in order to understand the petroleum potential of the Frontier Formation.

Smagala T. M., Brown C. A. and Nydegger G. L. (1984) Log-derived indicator of thermal maturity, Niobrara Formation, Denver Basin, Colorado, NebrAsk~ Wyoming. In Hydrocarbon Source Rocks of the Greater Rocky Moun- tain Region (Edited by Woodward J., Meissner F. J. and Petrophysical source rock evaluation 119 Clayton J. L.), pp. 355-364.People have long known that the Niobrara is thick, rich in organics and thermally mature. Oil has flowed from the Niobrara since the dawn of the industry: Florence Field, near Canon City, Colorado, was discovered in 1876 near an oil seep. Florence produces from fractured Pierre shale, and part of the Niobrara formation. Oil pioneers also found the Niobrara productiveThe 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 ...The organic-rich carbonates are similar to the unconventional fluid oil and biogenic gas-producing Niobrara Formation in North America. A workflow for de-risking productivity of an unconventional play is in part based on our examination of the S1 · 100/total organic carbon (TOC) ratios, which represent potentially producible oil, where S1 is ...Feb 20, 2015 · In southern New Mexico the Niobrara equivalent is assigned to the Mesa Verde Formation (or Group) (Cobban and Reeside, 1952, chart lOb). In western Colorado the Niobrara passes into calcareous beds of the Mancos Shale (Fisher and others, 1960) and in east-central Utah is represented by the Bluegate Shale Tongue of the Mancos (McGookey and ... 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. Wattenberg Field is the Niobrara Formation. Production in the Niobrara began with vertical wells in 1986, and horizontal drilling began in 2009. Since 2009, there has been extensive horizontal drilling throughout the Wattenberg Field. With such an increase in horizontal drilling in the Niobrara Formation, it is important to address the complex ...The Niobrara Formation in the Southern Powder River Basin, Wyoming: An Emerging Giant Continuous Petroleum Accumulation. 18URTC. New Reserves in an Old Field, the Niobrara Resource Play in the Wattenberg Field, Denver Basin, Colorado. 13URTC. Mineralogy Derived Brittleness from the Qemscan: Niobrara Case Study.Milankovitch-type bedding cycles are well developed in the Upper Cretaceous Fort Hays Limestone Member, Niobrara Formation. These time-equivalent cycles can be correlated across much of Colorado, Kansas, and northeastern New Mexico by combining subsurface and outcrop data. Documentation of thickness variations within the regionally persistent ...Misidentified fossils are common in paleontology, but Platylithophycus has undergone a particularly problematic series of descriptions. The holotype of P. cretaceus comes from the Upper Cretaceous Niobrara Chalk of Kansas, and was first described as a calcareous green alga, based on the surface texture of the specimen. Later, Platylithophycus was re-identified as a sepiid cephalopod, based ...The Niobrara Formation within the U.S. Geological Survey (USGS) #1 Portland core was sampled at 0.5 m resolution at the USGS Core Research Center in Denver, Colorado (Figure 1). The Portland core was drilled and continuously cored in the Cañon City Basin, Colorado, where Cretaceous strata, including half of the Niobrara …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.Tetrapods of Niobrara Formation. Tetrapods (Sauropsids) of the Niobrara formation, a geologic formation in the United States of America deposited 87-82 ...Named as top formation of Lower Cretaceous series, top of Lower Cretaceous. Formerly called "formation No. 3" (Meek and Hayden, 1857). Type not designated. Named for Niobrara River, Knox Co, NE in Salina basin, where formation forms 90-100 ft cliffs near mouth along Missouri River.The Niobrara Formation records life at the heyday of this seaway, from 87 to 82 million years ago between the Coniacian and the Campanian Stages of the Late Cretaceous. Prior to the Niobrara was the rather poorer Dakota Formation and after that comes the Pierre Shale. Contemporaries to Niobrara include the Mooreville Chalk of Alabama.The Upper Cretaceous Niobrara Formation in the Denver-Julesburg (D-J) Basin, United States, records late Turonian-early Campanian transgressive-regressive cycles that governed the rhythmic character of pelagic and detrital sedimentation along the former carbonate ramp of the Western Interior seaway (WIS).8 sept. 2014 ... The Niobrara formation consists of a widespread deposit of interbedded marine chalk, limestone and organic rich shale. Primary lithology in the ...

The Upper Cretaceous Niobrara Formation in the Denver-Julesburg (D-J) Basin, United States, records late Turonian-early Campanian transgressive-regressive cycles that governed the rhythmic character of pelagic and detrital sedimentation along the former carbonate ramp of the Western Interior seaway (WIS).Intellectual merit: The goal is to revise the Cretaceous time scale using new 40 Ar/ 39 Ar and U-Pb dates that anchor astronomical time scales from the Western Interior basin. New 40 Ar/ 39 Ar dates (n=34) have been acquired from Albian to Campanian representing 1000's of sanidine dates. Campanian U-Pb zircon dates, the first for the Late Cretaceous, are from 8 of the 40 Ar/ 39 Ar dated ashes.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 ...Figure 2: (a) Core plug containing partially cemented fracture in limestone of the Niobrara Formation, Lyons, C olorado. Core plug is 1 inch (2.5 cm) in diameter . (b) T omographic image slice, 1 ...The Niobrara Formation is one of the most extensive rock units in the Great Plains, and was deposited between 87 and 82 million years ago during the Late Cretaceous Period. [57] Michael J. Everhart, “Revisions to the Biostratigraphy of the Mosasauridae (Squamata) in the Smoky Hill Chalk Member of the Niobrara Chalk (Late Cretaceous) of Kansas ... The purpose of the study was to evaluate the effectiveness of a machine learning workflow to improve resolution within the reservoir intervals of the Niobrara and Codell formations, the primary targets for development in this portion of the basin. The seismic data are from Phase 5 of the GPI/Fairfield Niobrara program in northern Colorado.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. Gallery

Interbedded chalky reservoirs and marly source rock within the Niobrara Formation put excellent source rocks adjacent to high porosity, low permeability reservoir intervals. This 350-ft gross source/pay interval is being developed with 1-2 mi long horizontal wellbores in each of the four zones. Four pilot programs determine the well density ...Named as top formation of Lower Cretaceous series, top of Lower Cretaceous. Formerly called "formation No. 3" (Meek and Hayden, 1857). Type not designated. Named for Niobrara River, Knox Co, NE in Salina basin, where formation forms 90-100 ft cliffs near mouth along Missouri River.Mosasauridae), from the Niobrara Formation of Western Kansas. Transactions of the Kansas Academy of Science, 105(1-2): 33-43. Recommended publications. Discover more. Article.These badlands are Kansas’ most dramatic Niobrara chalk formation. They provide unique and important habitat for many plants and wildlife. Native amphibians, reptiles and birds such as ferruginous hawks and cliff swallows live here. Little Jerusalem is also home to the largest population of Great Plains wild buckwheat.The following articles are merged in Scholar. Their combined citations are counted only for the first article.The formation also is easily identified on electric logs. Thickness--Thickness of the Niobrara Formation in Kansas ranges from 0 to 750 feet (Fig. 19). Figure 19--Isopachus map of Niobrara Formation in Kansas. Contour interval 50 feet. A larger version of this figure is available. For the younger Niobrara Formation, a similar split between oxic chalk and anoxic marls to mudstones was noted by a factor analysis of elemental geochemical data carried out by Dean and Arthur (1998). The interpretation of CCA reflecting a gradient between pelagic vs. terrigenous sediments is supported by positive correlations with …Resistivity 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 ...• Niobrara Formation • Fox Hills Sandstone • High Plains aquifer (includes the Ogallala Group and Arikaree Group) • terrace sands and gravels on the flanks of the Black Hills • glacial outwash (sands and gravels deposited by glacial meltwater) The surface geology of South DakotaThe Niobrara play in the Powder River Basin (PRB) and Trabing Field reflects a continuous-type accumulation with structural deformation and complex stratigraphy reflected at all scales. The field was previously studied in order to understand the petroleum potential of the Frontier Formation. The work done prior to this study have failed to focus on understanding the field-scale structural and ...This study uses new core data from six wells (Fig. 1) to describe the heterogeneous nature of the Niobrara Formation in the northern DJ basin.These cores capture the entire Niobrara interval, which ranges in thickness from 240 feet to 316 feet (73.2 m-96.3 m), has a current depth to top of formation ranging from 6252 feet (2011.7 m) in Well C to 8776 feet (2674.9 m) in Well D, with ...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. TheSeismic reservoir characterization of the Najmah Formation, Raudhatain Field, North Kuwait: Alfataierge: Ahmed: MS: 2017: Benson, Robert D. 3D modeling and characterization of hydraulic fracture efficiency integrated with 4D/9C time-lapse seismic interpretations in the Niobrara Formation, Wattenberg Field, Denver Basin: Andrade de Almeida ...Niobrara Formation (Big Horn, Wind River Basins, Wyoming), Heath Formation (Central Montana Trough), and the Bakken Formation (Williston Basin, Montana, North Dakota, South Dakota). These assessments are mandated by Congress with the goal of determining the oil and gas potential in priority areas of the United States. ...The Mancos/Niobrara is an emerging horizontal play in the Piceance Basin. Successful Piceance Mancos/Niobrara wells have been completed by WPX Energy and Black Hills, among others. Dejour Energy ...Here wide Q-range total neutron scattering was used to evaluate perdeuterated methane (CD 4) behavior at reservoir pressures (200–750 bar) and temperature (60 °C) in a sample at the late oil/wet gas thermal maturity stage from the Late Cretaceous Niobrara Formation, an active petroleum producing formation within the Denver-Julesburg Basin, U.S.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.Telegraph Creek Formation. †Warm Creek Shale of Collier and Cathcart (1922, p. 172) and Knechtel (1959, p. 740-741) in north-central Montana abandoned. Rocks reallocated to (ascending) Belle Fourche Shale, Greenhorn Formation, Carlile Shale, Niobrara Formation, and Telegraph Creek Formation.

which was also recovered from the Niobrara Formation. The new species consists of an extended anterior spike-like rhachis and a greatly enlarged ventrally open posterior conus. Niobrarateuthis walkeri n. sp. inhabited the Niobrara Sea during late Coniacian to early Santonian time and was recovered from the basal Smoky Hill Chalk. INTRODUCTION

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 more

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 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 ...Oil and Gas 360. Three Crown Petroleum spud the high-potential Patterson 3H, a 1.5 mile horizontal well targeting the Niobrara formation on November 24, 2022. The well located on Three Crown's ...In the Pierre Shale Sandstones play, oil and gas is produced from the Sussex and Shannon sandstones. These reservoirs reach 4,500’ to 5000’ in depth and range from 3’- 50’ in thickness. and include seven accumulations. Shale and shallow chalk reservoirs of the Upper Cretaceous Niobrara formation house dry non-associated gas.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).jpgThe Smoky Hill Chalk Member of the Niobrara Chalk formation is a Cretaceous conservation Lagerstätte, or fossil rich geological formation, known primarily for its exceptionally well-preserved marine reptiles. Named for the Smoky Hill River, the Smoky Hill Chalk Member is the uppermost of the two structural units of the Niobrara Chalk. It is underlain by the Fort Hays Limestone Member; and the Pierre Shale overlies the Smoky Hill Chalk. The Smoky Hill Chalk outcrops in parts of nort…Multicomponent, 3-D, 3-C seismology is a newly emerging technology which is ideally suited to reservoir characterization. It accomplishes this through 3-D imaging of elastic wave field parameter variations that are caused by reservoir heterogeneities.Assessment of the Mowry Shale and Niobrara Formation as Continuous Hydrocarbon Systems, Powder River Basin, Montana and Wyoming: Series title: Open-File Report: Series number: 2008-1367: DOI: 10.3133/ofr20081367: Edition: Version 1.0: Year Published: 2008: Language: ENGLISH: Publisher: U.S. Geological Survey: Contributing office(s) Central ...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 ...

captain d's burnet texasku versus dukeiowa state vs kansas footballnpc tahoe show 2023 Niobrara formation cognitive instructional strategies [email protected] & Mobile Support 1-888-750-8422 Domestic Sales 1-800-221-2561 International Sales 1-800-241-5855 Packages 1-800-800-4658 Representatives 1-800-323-3905 Assistance 1-404-209-2277. 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.. brianna anderson volleyball Imaging of Niobrara Formation and Mowry Shale samples from a range of thermal maturities provided observations and data on pore systems, organic matter (OM) types and associations with mineralogy and fabric, wettability, and microporosity associated with both diagenetic and detrital clays. Imaging techniques included scanning electron microscopy, organic petrography and correlative scanning ...1. The Niobrara River is an outstanding example of a largely free-flowing Great Plains river. 2. The Niobrara River Valley contains a large concentration of scenic river cliffs and waterfalls that are rare on the Great Plains. 3. The high bluffs along the river provide scenic vistas of the Niobrara River Valley and its many plant communities. ku howard gamemy landlady noona nari The ages are determined by anchoring the long eccentricity bandpass from spectral analysis of the Niobrara Formation to radioisotopic ages with the lowest uncertainty proximal to the boundary, and adding or subtracting time by parsing the 405 k.y. cycles. The new stage boundary age determinations are: 89.75 ± 0.38 Ma for the Turonian-Coniacian ... hampton bay outdoor furniture cushion replacementspureguardian humidifier manual New Customers Can Take an Extra 30% off. There are a wide variety of options. The Niobrara Formation was deposited in deep, open-marine environments of the Cretaceous Interior Seaway. This broad depocenter enabled the accumulation of a regionally correlative sequence of alternating limestones and calcareous shales covering much of the Rocky Mountain area. In southeastern Wyoming, the limestones were deposited as very ...Niobrara Region +44 -40 +4 Indicated change in oil production (Nov vs. Oct) 0 40 80 120 160 200 Oct 5,159 MMcf/d Production from new wells Legacy production change Net change Nov 5,173 MMcf/d Indicated change in natural gas production (Nov vs. Oct) million cubic feet/day Niobrara Region +125 -111 +14 0 20 40 60 80 100 120 0 300 600 900 1,200 ...During the time of the deposition of the Niobrara Chalk, much life inhabited the seas of the Western Interior Seaway. By this time in the Late Cretaceous many new lifeforms appeared such as mosasaurs, which were to be some of the last of the aquatic lifeforms to evolve before the end of the Mesozoic. Life of the Niobrara Chalk is comparable to that of the Dakota Formation, although the Dakota ...