Abstract: Review of Estimates of Radiometric Ages for Relizian Stage of Pacific Coast, by David G. Howell; #90976 (1976).

Search and Discovery.com

North Fork Field

Bayard D. Rea

Wyoming Geological Association

... formation, which has an average net pay thickness of 90 feet, has a porosity range from 1.9 percent to 24.3 percent with an average of 13 percent...

Abstract: Sedimentary Environments and the Occurrence of Major Hydrocarbon Accumulations

Hunter Yarborough

GCAGS Transactions

... for not only the origin but also the accumulation and preservation of major hydrocarbon reserves. Over 90 percent of the oil and gas discovered to date has...

Sandstone Petrography of the Upper Cretaceous Hornbrook Formation, Oregon and California

Ralph T. Golia, Tor H. Nilsen

Pacific Section SEPM

... aphanitic grains Framework = Q + F + L Lsm QFL PERCENTAGES Sample Number Qm Q F L DETRITAL RATIOS IN PERCENT L t P/F Qp/Q K/F QPK PERCENTAGES...

Geology and Mineralogy of the Apex Germanium-Gallium Mine, Washington County, Utah

Lawrence R. Bernstein

Utah Geological Association

... that contain most of the germanium and gallium. Germanium is concentrated chiefly in goethite (as much as 0.5 percent), hematite (as much as 0.7 percent...

ABSTRACT: Geology of the Ford Creek Area, Northern Montana Thrust Belt

J.R. Moore, M.D. Watts, N.M. Ball, M.D. Ratcliff

Montana Geological Society

... located 20 km to the north. However, the Precambrian units are 20 to 50 percent thinner. The sedimentology of the Phanerozoic units...

Abstract: Geology of the Carbonate-Hosted Omar Copper Prospect, Baird Mountains, Alaska

Peter F. Folger, Jeanine M. Schmidt

Pacific Section SEPM

... economically important of these three intervals, termed the Main horizon, contains 90 to 95 percent of the known ore reserves. Main horizon...

Abstract: Stratigraphic Setting and Mineralogy of the Arctic Volcanogenic Massive Sulfide Prospect, Ambler District, Alaska

Jeanine M. Schmidt

Pacific Section SEPM

.... The largest and most economically important of these three intervals, termed the Main horizon, contains 90 to 95 percent of the known ore reserves. Main...

Effects of Variations of Stress-Dependent Hydraulic Properties of Proppant Packs on the Productivity Indices of the Hydraulically Fractured Shale Gas Reservoirs

Ali Takbiri Borujeni

Unconventional Resources Technology Conference (URTEC)

...) are ca. 0.03 percent higher than those with stress-dependent permeability and non-Darcy factors for a gas rate of 20 MMscf/D. Introduction Since its advent...

The Economics of Natural Gas Development of Indonesia

Widjajono Partowidagdo, Dedi Sadagori Surghani

Indonesian Petroleum Association

... of oil and gas exports as a percentage of total exports. The percentage increased from an average of 41 percent in 1963-1973 to an average of 71...

Abstract: 3-D Seismic Redevelopment of Louisiana's Tuscaloosa Trend- A Port Hudson Field Case History

Chip Story

Houston Geological Society Bulletin

... dataset. Seven of the location have been drilled, with a 100 percent success ratio and added new proven gross reserves of 200 to 300 BCFE...

A simple, effective petrographic method for quantifying percent clay or other grain-coat coverage in sandstones

Stephen G. Franks, John Pantano

Journal of Sedimentary Research (SEPM)

...A simple, effective petrographic method for quantifying percent clay or other grain-coat coverage in sandstones Stephen G. Franks, John Pantano 2021...

Abstract: The Tuscaloosa-Woodbine Trend: Tracking Its Unique Pressure Profiles

J. A. Gill

GCAGS Transactions

... may cost $10 to $20 million to drill and complete, the extraordinary porosities (28 percent) and permeabilities (200 md) of the Tuscaloosa sands are so...

Subdivision and Regional Stratigraphy of the Pre-Punta Gorda Rocks (Lowermost Cretaceous-Jurassic?) in South Florida

Albert V. Applegate , George O. Winston , James G. Palacas

GCAGS Transactions

... Member is 210 feet thick in the type well. Organic carbon contents of about 0.5 percent in rocks from 3 of 7 wells that were analyzed (Table 2...

Recent Jurassic Discoveries in Southeastern Cass County, Texas

John Aubrey

GCAGS Transactions

... percent porosity, but do require fracture treatment. These wells are curtailed due to market conditions, but produce from 500 MCFGPD to 110 MCFGPD...

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

...-quantitatively analyzed calcites contain approximately six percent total iron plus manganese. "Minus Cement Porosity" values (sum of volume of open pore spaces...

Abstract: Productive Lower Wilcox Distributary Channel Sands of the Hallettsville Embayment, Lavaca County, Texas

Stewart Chuber , Harvey H. Howell

GCAGS Transactions

... of 18 to 25 percent and permeabilities from 20 to 50 milidarcies (by routine whole core analyses). Visible pore space averages 15 percent and includes...

Abstract: The Haynesville and Hawkville Fields: Two World-Class Gas Shale Plays

Richard K. Stoneburner

Houston Geological Society Bulletin

... percent year over year. The Haynesville and Eagle Ford shales have a number of very similar attributes, thus enabling Petrohawk to rapidly develop...

New Analysis of EUR Probability Plots Yields Better Uncertainty Assessment and Better Type Wells

Randy Freeborn

Unconventional Resources Technology Conference (URTEC)

... where reliable is stated as an “acceptable confidence interval” with a “target of greater than mean less 10 percent and a confidence interval of 90...

Estimation of Recent Sediment Size Parameters from a Triangular Diagram

William J. Plumley and Donald H. Davis

Journal of Sedimentary Research (SEPM)

... measure of a sediment sample are known, the composition of the sediment may be obtained in terms of percent sand, silt, and clay. Thus, a one to one...

Sedimentary Environment of Iron Formations

Arthur L. Howland, Harold L. James

Journal of Sedimentary Research (SEPM)

... from 15 to 40 percent iron, are common in the Precambrian, but occur in a number of other geologic periods and are found on all continents...

ABSTRACT: Low Temperature Carbonization Yields of Facies of the Wyodak-Anderson Coal Bed, Powder River Basin, Wyoming

R.W. Stanton, P.D. Warwick, S.S. Crowley

The Society for Organic Petrology (TSOP)

... are huminite-rich, averaging 8 5 vol. percent total htlminite on a dry, mineral-free basis. Samples were differentiated compositionally by point counting...

Abstract: Petrographic Image Analysis, Pore Classification and the Study of Reservoir Pore Complex

Abdullah Kinchu

Geological Society of Malaysia (GSM)

... of measured penneability for example. set against percent pore type optical porosity derived from the PIA technique provides useful insight...

Heavy-mineral Suites in Unconsolidated Paleocene and Younger Sands, Western Tennessee

Reginald R. Blankenship

Journal of Sedimentary Research (SEPM)

... contaminated the samples of the Wilcox. However, since heavy minerals generally constitute only about 1 to 2 percent by volume of the sands in which...

ABSTRACT: Reassessment of the Evidence for Primary Fusinite and Degradofusinite Based on Studies on Coal Balls from the New Castle Coal Bed (Alabama, U.S.A.), the Union Coal Bed, (Lancashire, England) and the Calhoun Coal Bed (Illinois, U.S.A.)

Richard B. Winston

The Society for Organic Petrology (TSOP)

...--T""...,......,""'""'T"""'T""""""'I............-r--l tE o 15 V 2 PERCENT REFLECTANCE A Fungi" >o 0.059 0 -+--..-r-r~IJllI.;.;:..lp...