Alluvial Sandstone Composition and Paleoclimate, II. Authigenic Mineralogy

Prodip K. Dutta, Lee J. Suttner

Journal of Sedimentary Research (SEPM)

... drift of the Gondwana harm toward lower latitudes through time. Average 18O values for Cutler cement (13.23) and Fountain cement (19.82) are greater...

Analysis of Geophysical Well Logs from the Mariano Lake-Lake Valley Drilling Project, San Juan Basin, Northwestern New Mexico

James H. Scott

AAPG Special Volumes

... computed from the sonic velocity log by use of the time-average formula (Wyllie, Gregory, and Gardner, 1958). This formula is: [EQUATION] where Vm...

Sandstone Diagenesis in Mixed Siliciclastic-Carbonate Sequences: Quadrant and Tensleep Formations (Pennsylvanian), Northern Rocky Mountains

W. C. James

Journal of Sedimentary Research (SEPM)

..., and quartz precipitated for a 200 million year interval. Over this time the average depths of burial for the Quadrant and Tensleep were 0.25 km and 0.35 km...

Process-Response Modeling of Wave-Dominated Coastal Systems: Simulating Evolution and Stratigraphy on Geological Timescales

Joep E.A. Storms, G.J. Weltje, J.J. van Dijke, C.R. Geel, S.B. Kroonenberg

Journal of Sedimentary Research (SEPM)

... Our model of coastal evolution is based on the continuity equation:      (1) where t is time [T], x is horizontal distance [L], H is topographic...

Dissolution of Granitic Sand by pH-Buffered Carboxylic Acids: A Flow-Through Experimental Study at 100 degrees C and 345 Bars (1)

CHRISTY L. REED and ANDREW HAJASH, JR.

AAPG Bulletin

.... Average pore-fluid flow rates are controlled by the volume of fluid removed and the time interval between samples. The confining pressure and pore pressure...

Wider Well Spacing — Panacea or Delusion?

Stuart K. Clark

Tulsa Geological Society

... month, without changing the daily allowable. If the rate is stepped up to 75 completions per month, in a year's time the average allowable will have...

Geological Exploration for Oil and Gas by “Turkmenneft”

M. Ashirmamedov

Petroleum Geology: A Digest of Russian Literature

... the Ninth Five Year Plan “Turkmenneft” carried out geological exploration in 44 areas. During this time the average depth of an exploration well...

Dynamics of the Success Coefficient of Exploration on the Platform Part of Turkmenia and Uzbekistan

N. A. Krylov, M. P. Mikhaylova

Petroleum Geology: A Digest of Russian Literature

... (0.71) was reached in the Seventh Five Year Plan. See Fig. 3c. In the Eighth and Ninth there was a steady drop, at the same time as the average...

Managing Uncertainties for Exploration Success – Concepts, Challenges and Implementation

Search and Discovery.com

Prospect Investigation and De-Risking Using Cognitive Interpretation Workflows, Offshore Equatorial Guinea; #42170 (2017)

Tom Wooltorton, Stephen Leslie, Merritt Smith, Ryan M. Williams, Luis Gomez

Search and Discovery.com

... Migration and charge Trap mechanism and probability Caracal Prospect ▪ ▪ ▪ ▪ ▪ AVO supported 4400ms mean time Average thickness 233m Overbank...

Capturing Porestructures with Digital Image Analysis for a Quantitative Correlation to Physical Properties, #40756 (2011)

Ralf J. Weger, Klass Verwer, Gregor P. Eberli, Gregor Baechle

Search and Discovery.com

... 340 2 mm Velocity (km/sec) Velocity (km/sec) 6 0.9 0.8 0.7 5 0.6 0.5 0.4 4 0.3 3 2 5 3 4 4 5 6 Time Average Calcite 0.2 3 Time...

Physical Oceanography of the Gulf of California: Chapter 25: Part V. Physical Oceanography, Primary Productivity, Sedimentology

N. A. Bray , J. M. Robles

AAPG Special Volumes

... velocity (cm s-1). The second column of figures represents the spatial structure of the time average of each variable over all cruises. The third...

Temporal and Spatial Patterns of Rhythmite Deposition on Mud Flats in the Macrotidal Cobequid Bay-Salmon River Estuary, Bay of Fundy, Canada

Robert W. Dalrymple, Yasuhiko Makino, Brian A. Zaitlin

CSPG Special Publications

... of salinity at high tide, as measured at a time of average river discharge (data from Zaitlin, 1987). D. Number of Benthic species (all facies...

Seismic Characterization of Large-scale Sandstone Intrusions

Mads Huuse, Joe Cartwright, Andrew Hurst, Noralf Steinsland

AAPG Special Volumes

... the Wyllie time-average equation: 1/V = (1 )/Vma + /Vfl, where Vma is the matrix velocity, and Vfl is the fluid velocity. Values for unconsolidated...

Preservation of Chlorophyll Derivatives in Sediments Off Southern California

Wilson L. Orr , K. O. Emery , John R. Grady

AAPG Bulletin

... not greatly different in different parts of the area off southern California on a long time average. Diminished amounts of acceptable food material...

Structural and Thermal History of the Piceance Creek Basin, Western Colorado, in Relation to Hydrocarbon Occurrence in the Mesaverde Group

Ronald C. Johnson, Vito F. Nuccio

AAPG Special Volumes

... into increments of time, and the average temperature for each interval is determined from the regional geology. Each increment is assigned a value based...

Downstream Changes of Alpine Zircon Fission-Track Ages in the Rhone and Rhine Rivers

Matthias Bernet,, Mark T. Brandon, John I. Garver, Brandi Molitor

Journal of Sedimentary Research (SEPM)

.... The residence time--the average time for material to move through the system--is defined at steady state by the volume of the system divided by the flux...

Oceanography of Mississippi Delta Sedimentary Environments

P. C. Scruton

AAPG Bulletin

...) Average effective depth of channel = 300 cm. (3) Average downstream speed = 55 cm./sec. [EQUATION] At the time of this station, Mississippi...

Development of inter-lava drainage systems in LIPs: The Columbia River Flood Basalt Province (U.S.A.) as a case study

Alena Ebinghaus, Ross Taylor, Aaron Barker, Adrian J. Hartley, David W. Jolley, Malcolm J. Hole

Journal of Sedimentary Research (SEPM)

... the Saddle Mountains Basalt time (average 20%), suggesting a source area located in the Idaho Batholith and other magmatic terranes in the metamorphic...

Collection and Processing of Digitized Acoustic Log Data

R. A. Broding J. L. Poole

CSPG Bulletin

... and Gardner (1956) first proposed the Time Average formula as a means for deriving porosity from the velocity measurement: This relation of porosity...

Surface passive seismic monitoring by the local use of semblance

M. Javad Khoshnavaz, Andrej Bona, Kit Chambers, Hamidreza Siahkoohi, Alireza Khoshnavaz

Petroleum Exploration Society of Australia (PESA)

.... (2013) proposed stacking of short-time average to long-time average ratio traces that are estimated from the raw data. Haldorsen et al. (2013) proposed...

Case Study of a Wireline Deployable Spearhead Acid in the Denver-Julesburg Basin

K. Yocham, D. Allison, M. Schwartz

Unconventional Resources Technology Conference (URTEC)

... methods and hydrochloric acid (HCl). A case study is presented which includes the time to reach designed frac rate, total stage pump time, and average pad...

Prospect Investigation and De-Risking Using Cognitive Interpretation Workflows, Offshore Equatorial Guinea, #30507 (2017).

Tom Wooltorton, Stephen Leslie, Merritt Smith, Rachael A. Moore

Search and Discovery.com

...:    Reservoir presence Migration and charge Trap mechanism and probability Caracal Prospect      AVO supported 4400ms mean time Average...

The Impact of Post-Oil Emplacement Tectonics of the Delaware Mountain Group, with an Emphasis on Residual Oil Zone Potential; #51510 (2018)

T. Tittlemier, J. Walker, C. Saenz, F. Adelekan, J. Marinelarena, M. Carmona, Bob Trentham

Search and Discovery.com

..., north of the Apache and Davis Mountains. The slope of the basin floor at that time was on average a 1o dip to the southwest through this AOI...

Big Foot Field Frio County, Texas

Don R. Dunham

GCAGS Transactions

... barrels. Twenty-acre spacing is followed, while the daily allowable per well will average out approximately 40 barrels on a 30-day month. Drilling time per...