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The AAPG/Datapages Combined Publications Database
Showing 1,248 Results. Searched 200,756 documents.
Sedimentary Properties and Processes on a Sandstone Hillside
P. H. Walker
Journal of Sedimentary Research (SEPM)
... samples was carried out in the 2µ-2000µ range only. All the particle size analyses were plotted as summation curves on large graph paper from which all...
1964
Some Inference Problems in Paleocurrent Studies
David J. Sanderson
Journal of Sedimentary Research (SEPM)
... distribution. It can be seen that the vector summation method used above is similar to the calculation of the phase angle of the lth harmonic of a Fourier...
1973
New Joint Categorical/Continuous Simultaneous Inversion Technology (Paper C9)
M. Kemper
Geological Society of Malaysia (GSM)
... smoothness/continuity parameter. So we can rewrite [11] as ... p(F) ≈ exp(-ΣΣ½ β I(F1,F2)) [12] where the first summation is over all pixels...
2012
Stratigraphic Correlation of Well Logs by Computer Techniques
Albert J. Rudman , Robert W. Lankston
AAPG Bulletin
... embodied in equation 1 is illustrated at the top of Figure 2 as a sweep of Log Y past Log X, multiplication and summation being performed at each...
1973
ABSTRACT: Genesis of mass wasting seismic facies deduced by CAT-scan analysis; #90013 (2003)
MATHIEU JACQUES DUCHESNE, BERNARD FRANCOIS LONG
Search and Discovery.com
... seismic trace was computed based on the summation of 12 seismic traces (6 traces on each side of the coring site) from the acoustic impedance values...
2003
Dressing and Hardening of Drilling Bits
Ferd J. Spang
Appalachian Geological Society
... a steeper bevel may safely be used to accelerate penetration. In summation, it must properly be stated that the Drilling Bit is the tool that makes...
1949
The Raven Field: Planning for Success
Jane Whaley
GEO ExPro Magazine
..., Western and BP’s Exploration Production Technology Unit, to look at parameters such as adaptive summation, azimuthal velocity and depth migration...
2008
Some Paleontological Evidence on the Age of the Oil-Bearing Horizon at Burkburnett, Texas
L. C. Glenn
AAPG Bulletin
... formations. In summation, Mr. Roundy concludes that the cuttings are Pennsylvanian and probably post-Strawn in age. If the fact has any significance...
1921
The Snorre Field Pilot
Mark Thompson, Martin Landrø, Lasse Amundsen
GEO ExPro Magazine
... and transverse components. The data processing sequence included noise attenuation, data summation and pre-stack depth migration with a P-wave velocity...
2009
Planimetric Equation
C. Warren Hunt
CSPG Bulletin
... result in a resolution of tectonic features if the profile plane represents a summation of orogenetic vectors. Rock displacement must be parallel...
1957
Northwestern Colorado Leasing in Brief
H.L. Spearman
Rocky Mountain Association of Geologists
... on known structures. Most of the abstracters are willing to cooperate for a nominal fee. The writer recognizes that this is merely a summation...
1962
Paleocurrent Directions From the McMurray Formation
M. A. Carrigy
CSPG Bulletin
... sedimentation, a vector summation of the dip azimuths indicates the direction of maximum declivity of the paleoslope and hence the direction...
1963
Geochemical Dynamics of an Ephemeral Spring in Limestone, Red Bud Valley, Rogers County, Oklahoma
Sedimentary Geochemistry Class
Oklahoma City Geological Society
... mi is the molality, zi is the charge of the ith ion in the solution, and the summation includes all ions--positive and negative. Ionic strengths were...
1994
Dispersal patterns in Upper Devonian quartzose sandstones in West Central Colorado
John A. Campbell
CSPG Special Publications
... of the apparent size of one hundred grains from each thin section. Samples were taken from each major sandstone bed of each unit. A summation of this data...
1967
Etchegoin Formation Core Display, Santa Fe Energy Resources Well 504-23, Midway-Sunset Oil Field, California
Tor H. Nilsen, Albert S. Buddy Wylie Jr.
Pacific Section of AAPG
... manner as the conventional core. Samples insufficient to mount in sleeves had porosity and fluid saturations determined by Summation of Fluids Method...
2001
Accuracy of Determination of Permeability of Reservoirs from Cores
A. I. Solomasov
Petroleum Geology: A Digest of Russian Literature
...ng to Poisson’s Law. Let these distributions have the coefficients a1, a2.... am. Then on the basis of the theorem of summation, the value Z = ∑ i...
1962
Multifocusing 3-D Diffraction Imaging for Dectection of Fractured Zones in Mudstone Reservoirs
Alana Schoepp, Evgeny Landa, Stephane Labonte
Unconventional Resources Technology Conference (URTEC)
... Multifocusing Method which consists of an optimal summation of seismic data along in diffraction traveltime trajectories (Berkovitch et al., 2009...
2014
Litho-Facies Estimation by Electrical Logging Data Set in the Jurassic Plover Formation
Tatsuya Konishi, Koichi Kihara, Takahiro Zushi
Indonesian Petroleum Association
... matrix between core litho-facies and calculated electrical litho-facies. The number is the summation of data points corresponding to each litho-facies...
2011
Sedimentology and Stratigraphy of the Lower Eocene Wind River Formation, Central Wyoming
David Seeland
Wyoming Geological Association
... was calculated by the vector summation method first used by Reiche (1938). Arithmetic means of circular data are not usable because they vary...
1978
Preliminary Geochemical Interpretation of Preserved Shallow Cores, Labrador Basin Complex, Labrador Sea, Canada
Graham Dillabough, David J.W. Piper, Ray Fenstermacher, Andy Mort
Indonesian Petroleum Association
... in order to determine if the samples exposed to the sediment core material have acquired a unique signature. A summation of several classes of compounds...
2014
Summaries: Keys to Better Organization in Geologic Reports
Harry D. Goode
Rocky Mountain Association of Geologists
... vides in expected places the e s s e n t i a l s f o r the abstract. The need for summation in the title and a b s t r a c t may be reasonably self...
1968
Comparison of seismic resolution enhancement techniques: Spectral extrapolation vs spectral balancing
Charles I. Puryear
International Meeting for Applied Geoscience and Energy (IMAGE)
...) reconstruction of the seismic traces via summation. Steps 2 compensates for attenuation by preferentially boosting high frequencies at depth. Spectral...
2023
"CRINE" and "KRIS" — A Unique Opportunity?
Michael Ferrow
Indonesian Petroleum Association
... a figure of 10 to 20 billion dollars in savings and value addition. This would be a summation of savings on existing operations, field life extensions...
1998
Pennsylvanian of Northwest Colorado
R. E. Landon, F. A. Thurman
Utah Geological Association
.... Conclusive evidence is lacking, but a summation of floral, faunal and paleogeographical indications, plus an attempt to fix the major regional...
1955
Prestack Depth Imaging Within the Makassar Straits, Eastern Kalimantan, Indonesia
Chris Willacy, Suryadi Oemar, A. Edy Hermantoro, Paul Gilleran
Indonesian Petroleum Association
... information for migration purposes. The Kirchhoff migration method is essentially the summation of a series of impulse responses which overlap in space...
2000