The Oldest Marine Carbonate Ooids Reinterpreted as Volcanic Accretionary Lapilli, Onverwacht Group, South Africa

Donald R. Lowe, L. Paul Knauth

Journal of Sedimentary Research (SEPM)

.... They commonly show concentric internal structuring, including a nucleus, a relatively coarse-grained detritus layer made up of recrystallized vitric...

Integrated Sand Control Methodology Utilization of Thru Tubing Sand Screen Technology

Aldani Malau, Tejo Sukotrihadiyono, Farid Ghozali, Balok Sutarto L, Benny Heko R

Indonesian Petroleum Association

... as an alternative for dealing with this LN condition. Rigless installation and flexibility of sand screen replacement are the main reasons why this method...

Deposition of Tar Balls Stranded in Sediments of the Upper Eocene Manning Formation, Somerville, Washington County, Texas

Thomas E. Yancey, Ibrahim Al Atwah

GCAGS Transactions

...-producing zone. Profile shows relative resistance to erosion. Figure 3. Photo of tar ball bitumen-producing mudstone layer (20 cm thick) overlying white...

Processes of Conversion of Aragonite to Calcite with Examples from the Cretaceous of Texas

J. Robert Dodd

Journal of Sedimentary Research (SEPM)

... fossils, resulting in fossil replacement without preservation of the outlines of internal cavities. If drusy calcite has started to form in original...

Petrography and Origin of the Silurian Rochester and McKenzie Shales, Morgan County, West Virginia

Robert L. Folk

Journal of Sedimentary Research (SEPM)

... bed is a one-inch layer of very coarse grained (1-2 mm) quartz sandstone, simila to layers in the Keefer below. Other than this, there are no sandstone...

Diagenetic alteration, pore-throat network, and reservoir quality of tight gas sandstone reservoirs: A case study of the upper Paleozoic sequence in the northern Tianhuan depression in the Ordos Basin, China

Shifa Zhu, Xiaomin Zhu, Ye Jia, Hang Cui, and Wenyu Wang

AAPG Bulletin

... and replacement, and kaolinite cement and replacement, with minor heulandite and chlorite. Pressure dissolution of quartz grains and quartzite fragments...

Diagenesis of the Lower Tuscaloosa as Seen in the Dupont De Nemours #1 Lester Earnest, Harrison County, Mississippi.

James H. Hearne ,, Brian E. Lock

GCAGS Transactions

... examination of cement-grain contacts suggests that significant grain surface etching and grain replacement occurred. The general applicability...

Southern California Basins: Typical Modern Basins

K. O. Emery

AAPG Special Volumes

... measurements of basin water and others made 20 years ago, it is evident that replacement of the water is continuous. Were there no replacement, the basin...

Porcellanite in the Mishash Formation, Negev, Southern Israel

Y. Kolodny, Y. Nathan, E. Sass

Journal of Sedimentary Research (SEPM)

... is a product of replacement. Furthermore, the stratigraphic consistency of the porcellanite indicates an early diagenetic formation, while in contact...

Petrology and Origin of Some Phosphorites from the South African Continental Margin

Robin J. Parker, William G. Siesser

Journal of Sedimentary Research (SEPM)

... such as Kazakov (1937) and Dietz et al., (1942). The second theory relies on replacement processes whereby pro-existing calcite is converted to apatite...

The Impact of Dedolomitization on Reservoir Quality of the Upper Permian Zechstein-2-Carbonate, NW Germany; #51010 (2014)

Johannes Schoenherr, Lars Reuning, Katharina Wimmers, Sven Fellmin, Jörg Smodej, Sascha Kuske, Franz J. Brauckmann, Franco V. Corona, Christian J. Strohmenger, Sean Guidry

Search and Discovery.com

... reservoir quality where calcite. The majority of calcite is related to an intermediate burial dedolomitization phase. Dedolomitization, the replacement...

Shallow Structure, Stratigraphy, and Carbonate Sedimentary Processes of West Florida Upper Continental Slope

Larry J. Doyle , Charles W. Holmes

AAPG Bulletin

... even exposing the second layer, at about 500 m (1,650 ft) water depth and thickens dramatically downslope. We attribute this thinning to the north...

Direct Hydrocarbon Indications Using Seismic Amplitude Variations with Offset

William J. Ostrander

AAPG Special Volumes

... risk. GAS SAND MODEL Laboratory measurements made on many shallow gas-sand reservoirs indicate that the replacement of brine with a gas saturant...

ABSTRACT: Effect of Gas cycling on Oil recovery Algerian Field case study"; #90016 (2003)

B. MEDJANI, D. CHAUSSUMIER

Search and Discovery.com

... in the third layer of the reservoir. Geologic and simulation model: The geological model is elaborated by setting the map of top of the structure...

The Economics of Wettability Alteration for Renewed Production from Old Fields in the Permian Basin: Evaluations of Spraberry, Avalon and Bone Springs Reservoirs, #41379 (2014).

Geoffrey Thyne, Sharon Yacob, Teresa Nealon

Search and Discovery.com

... with oil, at pH of 4 in 0.01 M NaCl Lebedeva and Fogden 2011 What scale are we talking about? Double Layer Nelson 2009 Modified Floatation Test...

Cerro Dragon: History and Future Challenges for an Integrally Managed Field, #20313 (2015).

Javier Gomez

Search and Discovery.com

... for production increase and reserves replacement. • 75% of Cerro Dragon is under waterflooding. Injection volumes exceed 170 Mm3/d (1 MMbbld). All produced water...

Application of Hydrocarbon Gas Abundance Log in the Rolling Exploration and Development of Offshore Extra-low Resistivity Oilfield: A Case Study of CFD Oilfield Group in Bohai Bay Basin, #20439 (2018).

Yang Wei, Li Lingling, Meng Peng, Zhu Meng, Zhao Xiujuan

Search and Discovery.com

... in N1g strata as the standard layer to eliminate the system error caused by bit diameter, drilling fluid density, drilling fluid viscosity, instruments...

Carbonate-Evaporite Cycles in Lower Duperow Formation of Williston Basin

James Lee Wilson

CSPG Bulletin

... in development of such cycles. Comparison of patterns of replacement dolomite in lower Duperow sediments of the basin itself with lateral and vertical changes...

DEPOSITIONAL ENVIRONMENTS AND DIAGENESIS OF OFFSHORE SAND RIDGES, FRONTIER FORMATION, SPEARHEAD RANCH FIELD, WYOMING

Robert D. Winn Jr., Sharon A. Stonecipher, Michele G. Bishop

Rocky Mountain Association of Geologists

... and their replacement by calcite, calcite precipitation in pores, calcite dissolution, potassium feldspr and plagioclase formation, and development of illite...

The Analysis of the Clay Content of some Glauconitic Oceanic Sediments: NOTES

D. P. Seed

Journal of Sedimentary Research (SEPM)

...); (c) chemical replacement in minerals such as felspars and pyroxenes; (Some replacement in individual grains is noted by most workers who have...

ABSTRACT: GEODYNAMIC EVOLUTION OF THE SOUTH CASPIAN BASIN; #90024 (2004)

M. I. Rustamov, A. A. Narimanov, M. M. Veliyev

Search and Discovery.com

...-geomorphological elements or tectonic zones in each system. In the geodynamic evolution, replacement of processes of spreading and subduction eventually resulted...

Abstract: Matrix, Fractures, Karst, Bitumen: an Integrated Modeling Approach to Help Solve the Grosmont Puzzle of Northern Alberta, Canada; #90172 (2014)

Emmanuelle Piron, Amir Hosseini

Search and Discovery.com

... Grosmont 2 and Upper Grosmont 3 units). The resulting depositional framework is a very predictable layer cake. Stratigraphic units are regionally...

Origin of Limestone Buttes, Gypsum Plain, Culberson County, Texas

Douglas W. Kirkland , Robert Evans

AAPG Bulletin

... of which form buttes 70 ft (21 m) or more above the surface of the Gypsum Plain, are the result of replacement of anhydrite by calcite. The buttes...

Notes on the Mineralogy and Origin of Glauconite

Y. K. Bentor, Miriam Kastner

Journal of Sedimentary Research (SEPM)

..., replacement of Si by Fe, even in restricted amounts, is difficult to conceive in view of the large difference in ionic size. Although this possibility...

Abstract: Multiple Reflections and Head Waves in Gulf of Suez, by S. N. Domenico; #90963 (1978).

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