Niobrara formation. Gladius of the species Euchoteuthis melanae, from the Cretaceous Niobr...

A data set of 200 well production data and completion designs

The Pierre Shale is underlain by the Niobrara Formation throughout all of the northern Great Plains and the Niobrara is the target of exten­ sive recent exploration for natural gas. The Pierre is covered by units of Late Cretaceous, Tertiary, and Pleistocene age. It appears that theGladius of the species Euchoteuthis melanae, from the Cretaceous Niobrara Formation of Wichita County, Kansas. Specimen is from the collections of the Fort Hays State University's Sternberg Museum of Natural History (FHSMIP 1527). Image by Sternberg Museum of Natural History and Jonathan R. HendricksSmagala 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.Is the upper member of Niobrara Formation above Fort Hays Limestone Member of Niobrara and beneath Pierre Shale. Divided in the Pueblo area, Pueblo Co, CO in Denver basin, into 7 units described in ascending order: 1) shale and limestone unit is a 20 ft thick gray calcareous shale separated into 18 layers by gray shaly limestone, has INOCERAMUS DEFORMIS, is of early and middle Coniacian age; 2 ...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。Media in category "Niobrara Formation". The following 21 files are in this category, out of 21 total. Annual distribution of Niobrara production (14172897020).png 480 × 291; 11 KB. …A JPG file is one of the most common compressed image file types and is often created by digital cameras. At times, you may need to convert a JPG image to another type of format. You can do this several ways. Read on to find out how.NG-4 NIOBRARA FORMATION, UNDERLYING CERTAIN ) LANDS IN YUMA COUNTY, COLORADO AS A ) ORDER NO. NG-4-2 "TIGHT FORMATION", PURSUANT TO REGULATIONS ) NGPA Section 107(b) OF THE FEDERAL ENERGY REGULATORY COMMISSION ) FERC Regulation 271.705 The Colorado Oil and Gas Conservation Commission is the designated jurisdictional agency under subpart (g) of ...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).Protostega 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 …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 ..."Across the basin, everybody's kind of pivoting toward the Niobrara Formation." In November, Chesapeake CEO Doug Law­ler said the company's plan for the Powder River would shift to the Niobrara after the company drilled its first Niobrara well in five years.Additional publication details. The lower shaly member of the Cody Shale in the Bighorn Basin, Wyoming and Montana is Coniacian to Santonian in age and is equivalent to the upper part of the Carlile Shale and basal part of the Niobrara Formation in the Powder River Basin to the east. The lower Cody ranges in thickness from 700 to 1,200 feet and ...@article{osti_460584, title = {Evidence for Milankovitch periodicities in Cenomanian-Turonian lithologic and geochemical cycles, Western Interior U.S.A.}, author = {Sageman, B B and Rich, J and Birchfield, G E and Arthur, M A and Dean, W E}, abstractNote = {The limestone/marlstone bedding couplets of the Bridge Creek …The Niobrara is often compared to the rich Bakken formation in North Dakota, where the total organic compounds in the rock range from 8 percent to 10 percent. In the Niobrara the range is about 1 ...1. Introduction The recent increase in North American unconventional oil and gas production has spurred exploration efforts into organic rich formations throughout …Nebraska (/ n ə ˈ b r æ s k ə / ⓘ) is a state in the Midwestern region of the United States. It is bordered by South Dakota to the north; Iowa to the east and Missouri to the southeast, both across the Missouri River; Kansas to the south; Colorado to the southwest; and Wyoming to the west.. Indigenous peoples, including Omaha, Missouria, Ponca, Pawnee, Otoe, and various branches of the ...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 ...The Niobrara Formation in the Southern Powder River Basin, Wyoming: An Emerging Giant Continuous Petroleum Accumulation Authors: Stephen A. Sonnenberg …The underlying organic-rich Graneros Shale provides further hydrocarbon charging (Higley et al., 1995). The Niobrara Formation in the DJ Basin consists of ...It is noticeable that Niobrara is laterally equivalent to the Mancos Shale (Sonnenberg, 2012)..... 31 Figure 2.12: (a): Image of the inland seaway 90 million years ago that made Niobrara to be formed. (b): Image of Niobrara Formation stratigraphy for northeastern Colorado (ColoradoThe Niobrara Formation na.brr, 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 HillSuggested that term Carlile shale be discontinued as rock name in southern Montana and that Frontier be redefined to include all rocks between top of Mowry shale and base of Niobrara formation; this suggestion is based on paleontological evidence. Frontier section (Thom and others, 1935) east of Soap Creek oil field was used as section of ...abandoned, in Las Animas County, Colorado, produced 1.5 BCFG from the Cretaceous Pierre Formation and Apishipa Member of the Niobrara Formation between 1896 and 1943. Natural gas was produced from the Dakota and Morrison Formations in the now- abandoned Wagon Mound field in Mora County, New Mexico.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.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. 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.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 electrThe 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 ...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 ...A new, unusually well-preserved juvenile specimen of Ctenochelys stenoporus from the Niobrara Formation is described. The skull has come apart at its sutures and all bones of the braincase and ear ...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 ...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 ...News and Information about the Niobrara Oil and Gas Play of Colorado and Wyoming. DJ Basin Oil Drilling Rig - Image Credit - Encana Inc. Annual state report shows regulators approved 838 new wells in 2022, with a sharp increase on the Front Range Mark Jaffe - The Colorado Sun - April 11, 2023 Oil and gas activity in 2022 was heavily focused on ...During the irrigation season, median dissolved solids, Se, and U concentrations in Niobrara-influenced inflows were 83%, 646%, and 55%, respectively, greater than medians where Niobrara Formation ...The Niobrara Formation is emerging as an attractive target for horizontal drilling in the southern Powder River Basin. Although production has previously been established in the Niobrara Formation in this area, advancements in drilling and completion technology have made it a more economically attractive target throughout a greater part of the ...USGS Publications WarehouseNiobrara 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 ...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 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. A data set of 200 well production data and completion designs was collected from oil production wells in the Niobrara shale formation. Artificial neural network (ANN) and random forest (RF) techniques were implemented to predict EUR from the completion design. The results showed a low accuracy of direct prediction of the EUR from the completion ...10. Belle Fourche Shale, Greenhorn Formation, Carlile Shale, and Niobrara Formation, and lower part of Pierre Shale, northeastern Niobrara County T25 11. Frontier Formation and Sage Breaks Member of Cody Shale, southeastern Natrona County T27 12. Niobrara Member and part of Gammon Member of Cody Shale, northern Big Horn County T39 13.Oil and Gas Assessment Unit (AU), and the area where depth to Niobrara Formation is more than 8,000 feet..... 43 36. Map of the Powder River Basin Province showing Niobrara Formation . potential sweet spots derived from published lineament and lineamentThe significance of sweet spot identification includes improved recovery from the Niobrara, Codell, and potential deeper intervals for future exploration of drilling targets. Furthermore, sweet spot information also assists in keeping the well in formation, which is difficult to do without the seismic data.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 Niobrara formation is a very porous, poorly consolidated micrite. Its high porosity and fracture permeability contributes to its fairly low rock embedment strength and its tendency toward fluid imbibition. A moderately high clay content is also evident (Table 1).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 SurveyFault, fracture, and geomechanical analysis of the Niobrara Formation, Wattenberg field, ColoradoThe 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), inoceramus and oyster fossils, kerogen, clay, silt, and fish ...Life of the Niobrara Chalk is comparable to that of the Dakota Formation, although the Dakota Formation, which was deposited during the Cenomanian, predates the chalk by about 10 million years. Table key Bony fish Pycnodontiformes Semionotiformes Pachycormiformes Crossognathiformes Ichthyodectiformes Tselfatiiformes Aulopiformes BeryciformesDec 6, 2018 · 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. richness is known from the oldest deposits (such as the marine Niobrara Formation), im- plying much information on the evolution and diversification of this group remains un- known.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. Seismic reservoir characterization of the Najmah Formation, Raudhatain Field, North Kuwait: Download: 2017: Alfataierge, Ahmed: MS: 3D Modeling and characterization of hydraulic fracture efficiency integrated with 4D/9C time-lapse seismic interpretations in the Niobrara Formation, Wattenberg Field, Denver Basin: Download: 2017: Avila Vizuett ... PSPolygonal Fault Systems: A New Structural Style for the Niobrara Formation, Denver Basin, CO * Stephen A. Sonnenberg1 and David Underwood2 Search and Discovery Article #50624 (2012)** Posted June 25, 2012 *Adapted from poster presentation at AAPG Annual Convention and Exhibition, Long Beach, California, April 22-25, 2012The 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 ...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 ...Median dissolved solids, Se, and U concentrations in Niobrara-influenced inflows were 288%, 863%, and 155%, respectively, greater than median concentrations where the Niobrara Formation was absent. Identification of the Niobrara Formation as a disproportionate source for dissolved solids, Se, and U will allow for more targeted studies and ...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 organic rich marl beds of the Niobrara. Organic geochemical data, such as oil-to-source rock correlations, oil biomarkers and gasNiobrara 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 Niobrara Formation in the southern PRB is an emerging continuous hydrocarbon play. The accumulation covers a large area and is a potential giant accumulation. Recent drilling success by several operators indicates that productive reservoir conditions exist in the southern PRB (Figure 1). In this area, the Niobrara Formation consists of ...Using a geology-based assessment methodology, the U.S. Geological Survey estimated means of 534 million barrels of oil and 939 billion cubic feet of gas in the Niobrara interval of the Cody Shale in the Bighorn Basin Province, Wyoming and Montana.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.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. Applying Machine Learning Technologies in the Niobrara Formation, DJ Basin, to Quickly Produce an Integrated Structural and Stratigraphic Seismic Classification ...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 ...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 ...(Woodford, Bakken, Niobrara, and Eagle Ford) and gas (Mar-cellus, Barnett) as well as less developed hydrocarbon systems with substantial potential (Mancos, Uteland Butte). Oil shales from the Green River formation in Colorado were included to represent non-marine, organic-matter rich lacustrine shalesTelegraph 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.The Niobrara Formation at the Wattenberg Field in the Denver-Julesburg basin is a low permeability carbonate reservoir (Figure 1). It continuously exists throughout the entire field. The Niobrara is a sequence of interbedded carbonate and marine shale. The gross thickness varies approximately from 250 to 350 feet.Gladius of species Kansasteuthis lindneri from the Cretaceous Niobrara Formation of Rooks County, Kansas. Specimen is from the collections of the Fort Hays State University's Sternberg Museum of Natural History (FHSMIP 1528). Image by Sternberg Museum of Natural History and Jonathan R. Hendricks.Jan 15, 2021 · Correlating the formation in the Raton Basin with the Niobara near Pueblo, Colorado, the authors found very similar faunal sequences but significant lithologic differences. Additionally, the authors collected and analyzed samples from eight localities as part of an evaluation on oil and gas resources in the Raton Basin. . Lands are subject to Rule 318A for the Codell-Niobrara Formation. 5. The Niobrara Formation is one of the most extensive rock units in the 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.The Niobrara Formation is emerging as a large tight oil play within the Powder River Basin (PRB), Wyoming. Selection of landing zone and the prediction of lateral sedimentological variation across the basin is crucial for hydrocarbon production. In this paper we outline a workflow utilizing primary data-sets inclusive of facies, automated ... The Niobrara River drains nearly 12,000 squ Fort Hays Limestone. Fort Hays Limestone in the K-147 road cut at the Cedar Bluff State Park, Kansas, USA. The Fort Hays Limestone is a member of the Niobrara Formation of the Colorado Group exposed in Colorado, Kansas, Nebraska, and South Dakota and is named for the bluffs near the old Fort Hays, a well-known landmark in western Kansas. [1] [2]The Western Interior Seaway (also called the Cretaceous Seaway, the Niobraran Sea, the North American Inland Sea, and the Western Interior Sea) was a large inland sea that split the continent of North America into two landmasses. The ancient sea, which existed from the early Late Cretaceous (100 million years ago) to the earliest Paleocene (66 ... 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