The 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. It outcrops in parts of northwest Kansas, its most famous localities for fossils, and in southeastern Nebraska.The Dakota is a sedimentary geologic unit name of formation and group rank in Midwestern North America. The Dakota units are generally composed of sandstones, mudstones, clays, and shales deposited in the Mid-Cretaceous opening of the Western Interior Seaway. The usage of the name Dakota for this particular Albian-Cenomanian strata is exceptionally widespread; from British Columbia and Alberta ...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 ...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 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 ...535-41 for Section 6, Township 7 North, Range 60 West, 6th P.M., for production of oil, gas and associated hydrocarbons from the Niobrara Formation; and 2) ...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 ... Figure 3.7. Rose Diagram Plot for horizon "Top Niobrara." A near random orientation for faults in this tier is observed, however a slight preference for the NE-SW orientation is evident. This might be caused by a slight preference towards the thinning direction of Niobrara or perhaps a slight structural dip during formation.Dec 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. 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. The most prolific benches composed of these ...In contrast, the Niobrara-Codell formation was not a significant oil producer in the Powder River Basin before 2009, and oil production from this formation is entirely reliant on the application of current petroleum technology. Principal contributors: Philip Budzik, Jack Perrin.The upper member of the Niobrara formation, the Smoky Hill chalk, is the oldest formation that crops out in Wallace County. Less than 100 feet of the uppermost beds of this member, which is about 750 feet thick, is exposed. The exposures are confined to the valley of Smoky Hill river, south and southeast of Fort Wallace (Pls. III, IV and XXXVI ...Carlson, C. G., 1964, The Niobrara Formation of eastern North Dakota; its possibilities for use as a cement rock: North Dakota Geological Survey, Report of Investigations 41, 56 p. [ PDF available online ]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 ...reservoir is the Niobrara Formation. It is a mixed carbonate/chalk and mudrock /marlstone interval, approximately 300 feet (90m) thick (Figure 3). Underneath the Niobrara is the Codell. The Niobrara and Codell reservoir intervals within Wattenberg may contain recoverable reserves of 2 billion barrels oil equivalent. Improving theWhen it comes to applying for a job, having a well-crafted resume is essential. Your resume is your first impression and can be the difference between getting an interview or not. With so many different resume formats available, it can be d...In 2005, the remains of the earliest known D. osborni were discovered in the Fort Hays Limestone, Niobrara Formation in Jewell County, Kansas. This is the first record of a polycotylid plesiosaur in this formation. D. bonneri Dolichorhynchops (Trinacromerum) bonneri in the Rocky Mountain Dinosaur Resource Center in Woodland Park, ColoradoThe 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.Enchoteuthis (meaning "spear squid") is an extinct genus of large enchoteuthine cephalopod that lived during the Cretaceous.Although it and its relative Tusoteuthis are often compared to squid, both are now thought to be more closely related to modern octopuses.Examination of gladius remains initially yielded an estimated mantle length …The Niobrara Formation, one such organic-rich shale, is a particularly hot target here in Colorado. While a large volume of natural gas (>700 billion cubic feet by one estimate) has already been produced, it is now Niobrara oil that is the focus of everyone's attention. Often mentioned for comparison purposes are the Bakken Formation of North ...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:The Niobrara Formation was deposited on the erosional surface during the subsequent sea-level rise. The unconformity at the top of the Carlile Formation places the upper portion of the Fort Hays Member of the Niobrara Formation on the Codell Sandstone, or the lower Carlile interval (D, Figure 30). The unconformity has been interpreted by Weimer ...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 ...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 ...A Ptychodus shark tooth from the Niobrara Formation in Cretaceous deposits of Kansas, United States.Hydrocarbon source rocks in Wattenberg are the Skull Creek Shale, Graneros Shale, Greenhorn Limestone, Carlile Formation, Niobrara Formation, and Sharon Springs Member of the Pierre Shale. Total source rock thickness in Wattenberg is 200 to 250 ft (>2 wt.% TOC). The source beds are dominantly Type II with some Type III kerogen present.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).This is a 15.5" wide cluster of fossil rudists of the species Durania maxima. They come from the Late Cretaceous Niobrara Formation (~83 million years) in Gove County, Kansas. There are a variety of other small marine bivalves scattered across this specimen. Specifically, a large gathering of Pseudoperna congesta oysters.The 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. It outcrops in parts of northwest Kansas, its most famous localities for fossils, and in southeastern Nebraska.The Uteland Butte comprises primarily limestone, dolostone, and organic-rich mudstones and siltstones. The other formations are mainly fine-grained sandstone with interbedded silt and shale. They lie below and above the Niobrara formation, the Powder River Basin’s primary hydrocarbon-bearing formation.Located in southeast Montana and northwest Wyoming, the Powder River Basin is a region known for its rich coalbed methane potential - which currently supplies approximately 40% of the United States' coal. While overall coal interest has been in decline, the Powder River Basin remains a relatively active target for certain operators.The Niobrara is a far-flung formation, and many companies are building large acreage positions. One early mover in the play was Cirque Resources LP, a private, Denver-based independent. Peter Dea, president and chief executive, has been focused on buying leases in the Niobrara and other oil-prone shales for some time. When Cirque was formed ...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). Geologic unit mapped in South Dakota: White to dark-gray argillaceous chalk, marl, and shale.The Niobrara formation is one of the nine horizons that are productive in the Wattenberg Area of. Colorado, which produces oil, gas and gas-condensate. The Niobrara formation in the United StatesThe Niobrara River drains nearly 12,000 square miles and cuts through four rock formations. These formations provide the underground "plumbing" that supplies the numerous springs and waterwalls visible along or near the river. ... The topmost layer of rock is the Ash Hollow formation, a grayish cap-rock best seen on hills north of the river ...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 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 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. Summary. Since 1981, nearly 1,000 wells have been drilled in the Denver basin of northeastern Colorado with the Codell sandstone as their primary target. The majority of this exploration has been in the axial portion of the basin, in Townships 4 to 7 North, Ranges 64 to 68 West, in Weld and Larimer counties. Drilling depths of Codell wells range from 6,800 to 7,400 ft [2073 to 2256 m].Recently ...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 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 ...15. Isopach of Greenhorn Formation 16. Detail of structure contour map of top of Greenhorn Formation at Bowdoin dome 17. Isopach of Carlile Shale 18. Detail of isopach of Carlile Shale (Bowdoin sandstone) at Bowdoin dome 19. Isopach of Niobrara Formation 20. Isopach of Eagle Sandstone, Telegraph Creek Formation, and Gammon Shale 21. Isopach of ...The Niobrara Formation in the Denver Basin is an unconventional oil and gas play composed of highly cyclic, alternating chalk and marl intervals. These intervals act as the source, seal and trap for hydrocarbons generated in the organic-rich marl beds of the Niobrara Formation. The organic-rich marls act as source rocks and represent periods of ...The Niobrara Formation is a significant source of dissolved solids, Se and a moderate source of U along the studied reach of the Arkansas River. They revealed that during both the irrigation and non-irrigation seasons, concentrations of these constituents were substantially greater in Niobrara-influenced surface-water inflows.Discovery and history. The first fossils of Pteranodon sternbergi were collected by American paleontologist George F. Sternberg in 1952 from the lower portion of the Niobrara Formation.The fossils of the animal looked similar to those of the species Pteranodon longiceps, but the crests were set upright and in a slightly different position.In 1958, …May 1, 2020 · 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. 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 ...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 Formation is a fine-grained marine rock deposited in the Western Interior Seaway during the Late Cretaceous. It is composed of fossil-rich interlayered shale, marls, and chalks. Recent interest in the Niobrara has grown due to the advent of lateral drilling and multi-stage hydraulic fracturing. This technology allows operators to economically extract hydrocarbons from chalkier ...Inoceramids are an extinct group of bivalves (clams) that grew to enormous sizes (several feet across) during the Cretaceous. They were well-adapted to many different marine environments from shallow to deep waters. In Nebraska, they are very common in the Greenhorn Limestone and the Niobrara Formation.The Powder River Basin (PRB) unconventional source rock play in Upper Cretaceous Niobrara Formation is exploits up to four different landing zones, although well spacing and field development are still being optimized. Wine rack development can be improved with an understanding of produced fluids as a function of wellbore placement as well as regional geology. Within the context of thermal ...Dolichorhynchops - p2k.stekom.ac.id ... Chat WhatsApprichness 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.Longmaxi Shale Formation in South Sichuan Basin.....345 Qin Jun, Chenggang Xian, Xing Liang, Chunduan Zhao, Gaocheng Wang, Lizhi Wang Characterizing Connectivity of Multiscale Pore Structure in Unconventional Reservoirs by the ... Cretaceous Niobrara Formation by Low-Temperature Hydrous Pyrolysis.....672 Michael D. Lewan, Mark Sonnenfeld ...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 ...Niobrara formation Kcg: Carlile shale, greenhorn limestone, and graneros shale Kc: Colorado group Kpg: Pierre shale, Niobrara, and Carlile, Greenhorn, and Graneros formations, undivided Kdp: Dakota sandstone and Purgatoire formation Kd: Dakota sandstone or group Kl: Lance formation Kmv:It has been found that the formation stresses on both sides of fractured result in high penetration of proppant in the fracture surfaces, although proppant remains un-deformed. ... Prasad M. Fracturing fluid effects on Young’s modulus and embedment in the Niobrara formation. In: SPE Annual Technical Conference and Exhibition. Amsterdam, …Devon Energy Corp. is planning to double its activity levels to 15 wells in the emerging Niobrara Formation of the Powder River Basin, which is described by industry experts as one of the world's super basins. Fresh off a year that targeted development in the Powder River's Turner Formation, the Oklahoma City-based company is focusing ...The Niobrara Chalk Formation of Kansas—especially its Smoky Hill Chalk Member (a member is a subdivision of a formation)—is famous for its spectacularly preserved marine vertebrates, including mosasaurs, plesiosaurs, giant turtles, sharks, and other fishes (such as the enormous Xiphactinus). It also preserves pterosaurs (an extinct group of ...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 300014,000.Geosternbergia is an extinct pteranodontid - pterodactyloid pterosaur from the Late Cretaceous geological period of North America. It was one of the largest pterosaur genera and had a wingspan of up to 7.25 meters (23.8 feet). Geosternbergia was among the largest pterosaurs, with the wingspan of most adults ranging between 3–6 meters …Bubble-point pressure is defined as the pressure at which the first bubble of gas appears at a specific temperature. The phase diagram of typical black oils shows that the bubble-point pressure could be different at different temperatures. In the petroleum industry, if bubble-point pressure value is mentioned without reference to a particular ...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 regional correlation of target zones, well placement and completion strategies. Within rhythmically interbedded reservoirs like the Niobrara Formation, the occurrence of thin marl and chalk beds ...Figure 2.2: Stratigraphic Chart of the Niobrara Formation, underlying Carlile Formation, and overlying Pierre Shale coupled with a sea level curve depicting the transgressions and regressions responsible for the alternating nature ofreservoir is the Niobrara Formation. It is a mixed carbonate/chalk and mudrock /marlstone interval, approximately 300 feet (90m) thick (Figure 3). Underneath the Niobrara is the Codell. The Niobrara and Codell reservoir intervals within Wattenberg may contain recoverable reserves of 2 billion barrels oil equivalent. Improving theFor 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 …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 ... 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.Niobrara Formation vertebrate stratigraphy, pages 19-30, In Bennett, S. C. (ed.), Niobrara Chalk Excursion Guidebook, The University of Kansas Museum of Natural History and the Kansas Geological Survey. Varricchio, D. J. 2001. Gut contents from a Cretaceous tyrannosaurid; Implications for theropod dinosaur digestive tracts.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.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 ...Figure 3.7. Rose Diagram Plot for horizon "Top Niobrara." A near random orientation for faults in this tier is observed, however a slight preference for the NE-SW orientation is evident. This might be caused by a slight preference towards the thinning direction of Niobrara or perhaps a slight structural dip during formation.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 in the Southern Powder river basin, Wyoming: An emerging giant continuous petroleum accumulation By Stephen A. Sonnenberg 1 View …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.Jul 7, 2023 · 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 Niobrara plot is one of two forest plots in Nebraska that explore the prairie-forest ecotone (the other is the Indian Cave plot). The Niobrara plot sits in a distinctive boundary forest system in the Great Plains, USA, and encompasses a sharp transition from sand-hills prairie to forest. The forest occurs in moist, cool, spring-fed canyons ...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 "...Total thickness of the Niobrara Formation ranges from two hundred feet to four hundred feet. Weight percent Total Organic Carbon (TOC) was calculated for the B Bench of the Niobrara Formation using the Delta Log R method of Passey et al. (1990) within third-party well interpretation software. The study includes 136 wells that had both deep ...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.The Niobrara formation has low "fracability," Chipman says. Niobrara wells may cost less, however, because the formation is at a shallower depth than Bakken and Eagle Ford and there are oilfield services in the area, while there are fewer services that are indigenous to the Bakken in western North Dakota and eastern Montana. ...A cervical vertebra of the large, pelagic pterodactyloid pterosaur Pteranodon sp. from the Late Cretaceous Niobrara Formation of Kansas, USA is significant for its association with a tooth from ...Year defined. 1896 [1] The 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. [2] Named for the Smoky Hill River, [1] the Smoky Hill Chalk Member is the uppermost of the two structural units ...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 horizontal activity, the question of well-length scale lateral heterogeneity becomes paramount addressing steering practices, completion, and ultimately well performance. We have incorporated detailed core description, high ...Nannofossils of the North American Late Cretaceous Western Interior Seaway have been extensively studied, but these investigations have primarily focused on the diverse communities of the Niobrara and Greenhorn sea-level highstands. We lack a firm understanding of the nature of early nannofossil communities from the initial stages of the transgression, and of how the diverse assemblages of the ...Bulletin 115—Stratigraphy of the Upper Cretaceous Niobrara Formation in the Raton Basin, New Mexico. We are a research and service division of: By G. R. Scott, W. A. Cobban, and E. A. Merewether, 1986, 34 pp., 3 tables, 16 figs. ... The rock units and fossils of the Niobara Formation in the Raton Basin are correlated with those near Pueblo ...The Niobrara Formation and Codell Sandstone are one of nine horizons that are productive in the giant Wattenberg Field area (GWA) of Colorado. GWA covers approximately 3200 square miles. The field was discovered in 1970 (J Sandstone) and the first significant Codell production from vertical wells was established in 1981 followed by Niobrara production in 1986.The occurrence of Hesperornis in the Late Cretaceous Niobrara Formation of South Dakota. Proceedings of the South Dakota Academy of Science 71:95-97. Martin, J.E. and Varner, D. W. 1992. The highest stratigraphic occurrence of the fossil bird Baptornis. Proceedings of the South Dakota Academy of Science 71:167 (abstract).
Smoky Hill Marl Member of Niobrara Formation (CO*,NM*) Geologic age: Late Cretaceous (Coniacian to Campanian)* Type section, locality, area and/or origin of name: Not designated. Named from Smoky Hill River in KS (Cragin, 1896). AAPG geologic province: Central Kansas uplift* Anadarko basin* .... Where to buy olympic stain
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 ...Niobrara Formation; oil and gas fields; petroleum engineering; propagation; signals; strain; United States; Upper Cretaceous; Wattenberg Field; well stimulation; fiber optics; unconventional reservoirs; Latitude & Longitude N39°49'60" - N40°19'60", W105°00'00" - W104°30'00" View Full GeoRef Record.Introduction The recent increase in North American unconventional oil and gas production has spurred exploration efforts into organic rich formations throughout the …South Dakota consists of deformation of the Dakota Formation, Graneros Shale, Greenhorn Limestone, Carlile Shale, and Niobrara Formation of Cretaceous age. The Greenhorn is warped upward about 400 feet on the Sioux Quartzite with a formation dip ranging from 30 to 50 feet per mile.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.Texas's Midland Basin accounted for 15% of U.S. crude oil production in 2020. EIA estimates drilled but uncompleted wells for key oil and natural gas basins. U.S. crude oil and natural gas production in 2019 hit records with fewer rigs and wells. U.S. natural gas production efficiency continued to improve in 2019.Pg. 16 (table 1), 121. Codell sandstone member of Carlile shale. Uppermost member of Carlile shale. In Baca County, Colorado, consists of 2.5 to 3 feet of light-tan to rusty-brown hard finely crystalline limestone containing a few sand grains. Overlies Blue Hill shale member; underlies Fort Hays limestone member of Niobrara formation.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 ...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)Here is a breakdown of a typical oil and gas well in your area since the inception of horizontal drilling in the Niobrara formation: There have been 8,119 wells drilled in the Niobrara formation with an average daily gas production of 382.37 Mcf per day and oil production of 88.34 barrels per day.Includes the Split Rock Creek Formation and other near-shore facies of the Dakota Formation, Graneros Shale, Greenhorn Formation, Carlile Shale, Niobrara Formation, and Pierre Shale. Thickness up to 400 ft (122 m). Dakota Formation (Upper to Lower Cretaceous) at surface, covers < 0.1 % of this area.This chapter discusses the chalk reservoirs. Chalk is a friable, fine-textured limestone composed dominantly of coccoliths, but in which pelagic foraminifera also occur. Coccoliths accumulate initially as oozes, and later become chalk when lithified. The Upper Cretaceous Chalk, for example, which is 200-400 m or more in thickness, is so ...Pierre overlies Niobrara Formation and underlies Fox Hills Sandstone. To west, name Pierre replaced by (ascending) Steele Shale (and its Ardmore Bentonite-newly assigned--in lower part, Sussex and Shannon Sandstone Members which are separated by, overlain and underlain by unnamed parts of Steele), Mesaverde Formation (and its Parkman Sandstone ...Introduction The recent increase in North American unconventional oil and gas production has spurred exploration efforts into organic rich formations throughout the …The Niobrara Formation of eastern North Dakota: its possibilities for use as a cement rock: North Dakota Geological Survey Report of Investigation No. 41, 56 p. Hansen, Miller, 1953, Geologic report on limestone deposits in Stark County and Hettinger County, North Dakota: North Dakota Geological Survey Report of Investigation No. 8, 33 p. ...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.Paleobiota of the Niobrara Formation. Pseudoperna congesta fossil oysters encrusting a large Platyceramus platinus bivalve shell, Smoky Hill Chalk member of Niobrara Formation . Photo in place at Castle Rock chalk badlands, Kansas. During the time of the deposition of the Niobrara Chalk, much life inhabited the seas of the Western Interior Seaway.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 ...Cretaceous Niobrara Formation, Northern D-J Basin Defender US33 #2-29H Samson 37.5% Working Interest The first Niobrara appraisal well, the Defender US33 #2-29H, commenced drilling operations in mid August and reached a total depth of 11,089 feet in late September. This well was drilled and funded 100% by Halliburton under their farmin …For example, Eze-Aku Shale is similar to Barnett Shale, Horn River Shale, Niobrara Shale Formation, and Chattanooga/Woodford in silica-richness, whilst showing a similar volume of calcite and relatively lesser amounts of clay minerals than the Eagle Ford Shale (Green River) and Haynesville (Fig. 7 and Table 6). Correlation parameters vary ....