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The AAPG/Datapages Combined Publications Database

Showing 2,684 Results. Searched 191,775 documents.

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Geothermal Variations in Oil Fields of Los Angeles Basin, California

Anders J. Carlson

AAPG Bulletin

... of, but not as acceptable evidence of, a relation between isotherms and structure. The trend of the isothermal surface is unmistakable, but there is little proof...

1930

Hydrocarbons in Non-Reservoir-Rock Source Beds

Ellis E. Bray , Ernest D. Evans

AAPG Bulletin

... relation between CPI values and reciprocal concentration, shown in Figure 3, has significance in that the old sediments may be examined for evidence...

1965

The Utilization of the "Rate-Integral" to Assist with Decline Curve Analysis of Poor-Quality Unconventional Time-Rate Data

E. W. Bryan, D. Symmons, D. Ilk, T. A. Blasingame

Unconventional Resources Technology Conference (URTEC)

... to calculate the reciprocal of the loss-ratio [D(t)] and the lossratio derivative [b(t)], a numerical differentiation method must be applied — most...

2021

High-Speed Digital Computers in Stratigraphic and Facies Analysis

W. C. Krumbein , L. L. Sloss

AAPG Bulletin

... and it is extremely advantageous for the geologist himself to have some understanding of the process. Transcript cards: In the method considered here...

1958

Pore Structure in Sandstones by Compressible Sphere-Pack Models

I. Fatt

AAPG Bulletin

...., Vol. 42, No. 8, pp. 1924-57. GRATON, L. C., and FRAZER, H. J., 1935, "Systematic Packing of Spheres with Particular Relation to Porosity...

1958

Graphic Solution of Strike and Dip from Two Angular Components: DISCUSSION

M. King Hubbert

AAPG Bulletin

... deserving of the simplest and most nearly fool-proof method of solution that can be found. Two interesting discussions have already appeared in this section...

1931

Application of Seismic Data to Lithology and Hydrocarbon Identification in East China

Qian Shao-Xin, Liu Wen-Lin

Circum Pacific Council Publications

... Research Institute of Petroleum Exploration and Development, Beijing, China ABSTRACT The traditional seismic method is mainly used to determine...

1989

Estimation of Reserves of Natural Gas Wells by Relationship of Production to Closed Pressure

Paul Ruedemann , Ionel Gardescu

AAPG Bulletin

... to find the relation between decline in closed pressure and production brought about the development of the method herein discussed. Previous...

1922

Estimation of Natural Gas Reserves

Eugene A. Stephenson

AAPG Special Volumes

.... Volumetric or porosity-pressure method, based on sand thickness, pressure factors, and area. 2. Pressure-production decline method. 3. Changes in density...

1968

Geologic Quantification: Description ^rarr Numbers ^rarr Success Ratio

Irving T. Schwade

AAPG Bulletin

... exceptions, there has been no general acceptance by the profession of a method of systematic evaluation of data and interpretation quality. In fact...

1967

Oil-Coal Association in Central Anzoategui, Venezuela: GEOLOGICAL NOTES

Luis M. Banks

AAPG Bulletin

...-producing regions of the world. Method of study: Coal, generally referred to as lignite, is common in the oil-bearing Oficina formation of Tertiary...

1959

Water Saturation Gradient (SWGRAD) as a New Mathematical Solution for Hydrocarbon Identification in the Oil and Gas Field with High Uncertainty on Water Salinity: Case Study in Tunu Field, Delta Mahakam

Taufik Anwar, Haris Kurniawan Hidayat

Indonesian Petroleum Association

...* ABSTRACT Water saturation (Sw) is the ratio of water volume to pore volume. Sw is a classical method to differentiate hydrocarbon zone and water zone...

2018

The Present Status of the Carbon-Ratio Theory

George Edwin Dorsey

AAPG Bulletin

... of White, Fuller, Russell, Moulton, and other investigators constitute proof of a causal assumption in pointing out that there is a definite relationship...

1927

The Wisconsin Securities Law

W. H. Twenhofel

AAPG Bulletin

.... The application for a permit, in addition to information as to the organization, capital stock, proposed method of promotion, etc., which is commonly required...

1921

Guide to the Preparation and Disposition of Manuscripts for Publication in the Bulletin

Sherman A. Wengerd

AAPG Bulletin

... limit dictated by cost per issue in relation to dues paid by members. The lesser sections of the Bulletin, devised in great part by Raymond C. Moore...

1959

Dimensionless Productivity Index and Its Derivative - A New Approach to Analyzing Unconventional Reservoirs

Sandeep P. Kaul, Robert F. Vaz, Eduardo Gildin

Unconventional Resources Technology Conference (URTEC)

... to reach the boundary, fracture permeability, etc. the well needs to be shut down for well testing purpose. The method outlined in this paper, eliminates...

2016

Characterization of Early-Time Performance of a Well with a Vertical Fracture Producing at Constant Pressure

Nicholas Wiewiorowski, Alex Valdes-Perez, Thomas A. Blasingame

Unconventional Resources Technology Conference (URTEC)

... decaying skin effects and changing wellbore storage effects. The goal of this work is to provide a proof-of-concept which considers the simplified case...

2017

Geometry Of Producing Mesaverde Sandstones, San Juan Basin

Charles T. Hollenshead, Roy L. Pritchard

AAPG Special Volumes

... 193-F. Silver, Caswell, 1957, Relation of coastal and submarine topography to Cretaceous statigraphy, in Four Corners Geol. Soc. Guidebook 2d Field...

1961

A Proposed Methodology to Assess Production Performance for Shale Oil and Gas Wells

E.L. Dougherty, T.A. Blasingame

Unconventional Resources Technology Conference (URTEC)

... .................................................................................................................................................... (3) (1 + Di t ) We note that the Exponential Decline relation (Eq. 2...

2021

WELL LOG PROGRAMING

JOHN H. WETZEL

Montana Geological Society

...: A new resistivity logging method with electrodes using an automatic focusing system," Jour, of Petrol. Technol., Vol. 3, No. 11...

1959

Space, Things, Time, and Events--An Essay on Stratigraphy

Horacio J. Harrington

AAPG Bulletin

... "putting in relation the different samples, well cores, or logs with each other," or "establishing the mutual or reciprocal relations between...

1965

"The New Global Tectonics": Age of Linear Magnetic Anomalies of Ocean Basins: REPLY TO R. A. FACER

Howard A. Meyerhoff , A. A. Meyerhoff

AAPG Bulletin

... to ocean forsakes scientific method and rigorous logic. The fallacy of this mental exercise becomes even more striking when it is recalled...

1973

Prospecting for Stratigraphic Traps

Daniel A. Busch

AAPG Bulletin

... of the sand body, and the relation these sand bodies bear to the enclosing shales are all diagnostic factors which are seldom if ever taken into account...

1959

Effect of Change of Wave Size on the Size and Shape of Ripple Marks

O. F. Evans

Journal of Sedimentary Research (SEPM)

... marks: Jour. Sod. Petrology, vol. 11, no. 1, pp. 37-41. EVANS, O. F., 1942, The relation between the size of wave-formed ripple marks, depth of water...

1943

Paleo-climatic Events Indicated by Mineralogical Changes in Deep-sea Sediments

Marian B. Jacobs, James D. Hays

Journal of Sedimentary Research (SEPM)

... by means of the "weighted" peak percentage method, have been described previously (Biscaye, 1965; Jacobs, 1970). The data reported represent a good...

1972

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