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The AAPG/Datapages Combined Publications Database

Showing 2,007 Results. Searched 200,619 documents.

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Augmenting 1D conductivity depth sections to include information pertaining to 2D/3D conductors

Magdel Combrinck

Petroleum Exploration Society of Australia (PESA)

... derivative calculations. Figure 1 shows an example of the original and adapted CDIs. The data were acquired over the Abra deposit in Western Australia...

2019

Base Metal Mineralisation of the Rover Field, Northern Territory

Farias P, Whelan J, Reno B, Cross A, Huston D, Maas R, Mernagh T, Danyushevsky L

Petroleum Exploration Society of Australia (PESA)

..., reduced-to-pole tilt derivative image. Farias, P., et al. Base Metal Mineralisation of the Rover Field, Northern Territory | 47. CABS IV SPECIAL...

2022

Accurate Estimation of Tubular Fluid Flow Friction Loss During Liquid-supercritical CO2 Fracturing and Transportation

Xiaojiang Li, Gensheng Li, Kamy Sepehrnoori, Wei Yu, Haizhu Wang, Qingling Liu, Hongyuan Zhang, Zhiming Chen

Unconventional Resources Technology Conference (URTEC)

... be determined by solving Eq. (17) numerically, ( ) r p (= δ , τr R T 1 + δ Φδ , ) (17) r where Φδ is the partial derivative of Φ r with respect...

2017

Multiscale Characterization of Spatial Heterogeneity of Petroleum Source Rocks via Near-Infrared Spectroscopy

Yashar Mehmani, Alan K. Burnham, Michael D. Vanden Berg, Hamdi A. Tchelepi

Unconventional Resources Technology Conference (URTEC)

... of Athabasca oil sand from hyperspectral infrared reflectance spectra using Gaussian singlets and derivative of Gaussian wavelets." Fuel 89, no. 3 (2010...

2017

Multi-information intelligent decision process for first-break picking

Fei Luo, Lanlan Yan

International Meeting for Applied Geoscience and Energy (IMAGE)

... in a single trace. (a) Noisy data; (b) STA/LTA ratio for noisy data; (c) power for noisy data; (d) the membership degree of noisy data; (f) derivative...

2024

A fast sweeping method based on coordinate transformation for eikonal equation on unstructured triangular meshes

Xin Chen, Danping Cao, Xin Fu

International Meeting for Applied Geoscience and Energy (IMAGE)

... 𝜏: 𝜏+ 𝑇 where + ( = ) ( 𝜏+ 𝑇 ) , ) ( = (9) = 𝑠 , ( ) ) ( ( ) and (𝑥 , 𝑧 ) is the position of source. 𝑇 and derivative terms...

2024

Improved synchrosqueezing matching pursuit incorporating w-transform

Chaohe Wang, Zhaoyun Zong

International Meeting for Applied Geoscience and Energy (IMAGE)

... calculated by the derivative of the phase of analytic signal may be exact for a mono-component signal, but is not appropriate for processing nonstationary...

2024

Pressure and Rate-transient Behavior of a Horizontal Well Intercepting Multiple Vertical Fractures within a Fractal Reservoir

Alex R. Valdes-Perez, Leif Larsen, Thomas A. Blasingame

Unconventional Resources Technology Conference (URTEC)

... in a reservoir with infinite thickness (i.e., Fig. 3), where the pressure derivative signature of the ERF sub-period flow is followed by a power-law (straight-line...

2018

Petroleum System Identification Using Spectrally Decomposed Gravity Data: Case Study of Surabaya Area

Almira Mahsa, Farid H. Pradana, Firman Syaifuddin

Indonesian Petroleum Association

... Aku, M. O. 2014. Application Of Second Vertical Derivative Analytical Method To Bouguer Data For The Purpose Of Delineation Of Lithological © IPA, 2018...

2018

Proposed Classification and Terminology of Rocks in the Series Bauxite-Clay-Iron Oxide Ore

Jiri Konta

Journal of Sedimentary Research (SEPM)

... laterite is proposed to designate only a rock which is a relatively untransported, altered residuum and derivative that usually overlies the parent rock...

1958

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

... of the function with respect to each variables, and whose direction is that in which the derivative of the function has its maximum value. (d) Fluid Interpretation...

2018

Basement Reactivation in the Alberta Basin: Observational Constraints and Mechanical Rationale: COMMENT

S. Parker Gay, Jr.

CSPG Bulletin

... calculate a first vertical derivative of the magnetic field, a technique that is certainly capable of bringing out many of the basement faults (I prefer...

2001

Subsurface compressional structures and facies transitions imaged by seismic reflection data, eastern margin of Richardson Trough, Peel Plateau, Yukon

Kristin M. M. Rohr, Larry S. Lane, Bernard C. MacLean

CSPG Bulletin

... derivative was then calculated in order to enhance the short wavelength component of the field (http://gdr.nrcan.gc.ca/aeromag/can200m_vg_e.php...

2011

Machine-Learning-Assisted Segmentation of FIB-SEM Images with Artifacts for Improved of Pore Space Characterization of Tight Reservoir Rocks

Andrey Kazak, Kirill Simonov, Victor Kulikov

Unconventional Resources Technology Conference (URTEC)

... combinations of predicted and actual values. The elements of the confusion matrix enable the calculation of derivative parameters such as accuracy, recall...

2020

Anthraxolite Derived from Indigenous Organic Matter in Middle Devonian Dolomite, Cosmos Hills, Alaska

Donald D. Runnells

Journal of Sedimentary Research (SEPM)

... as a natural epigenetic derivative of syngenetic sedimentary organic matter. End_Page 601------------------------ recrystallization instead...

1965

Lift Forces on Suspended Sediment Particles in Laminar Flow: Experiments and Sedimentological Interpretation: NOTES

John B. Southard

Journal of Sedimentary Research (SEPM)

... and a mean velocity of 39 cm/sec; the maximum shear rate for this run, found by evaluating the derivative of the parabolic velocity distribution...

1971

Seismically Driven Reservoir Characterization Using an Innovative Integrated Approach: Application to a Fractured Reservoir (Geology Paper 10)

Abdel M Zellou, Soren Christensen, Tanja Ebbe Dalgaard, Gary Robinson

Geological Society of Malaysia (GSM)

... the PSDM seismic volume was greatly facilitated by taking the second derivative of the seismic amplitude data, especially over the crest of the structure...

2008

Geological Interpretation of Mass-Transport Deposits in the Deepwater Gulf of Mexico: Integrating Borehole Geology, Borehole Geophysics, and Reservoir Engineering

Eric Zimmermann, Carlos Guzman, Mike Vercher, Stan Hewitt, Anish Kumar, Michael Mahnke, Vinay K. Mishra, Elizabeth Ruiz, Nellyana Charmelo

GCAGS Transactions

... fluid pumping. This indicates a high-permeability reservoir and not a limited fluid compartment. The derivative plot of the buildup data (not shown here...

2016

Well Completions: Part 9. Production Engineering Methods

Stephen A. Holditch

AAPG Special Volumes

... is a derivative of the charge used to construct a bazooka. The shaped charge has essentially replaced the bullet gun, which was the main perforating tool prior...

1992

Migration of Mantle-Derived Uranium and Thorium within the Crust: Chapter 6

John W. Gabelman

AAPG Special Volumes

... abundances of thorium and uranium in dunite and peridotite; these should apply also to their derivative serpentinite. The alkalic and carbonatitic...

1977

Fine-Sediment Deposition from Gravity Surges on Uniform Slopes

W. Brian Dade, John R. Lister, Herbert E. Huppert

Journal of Sedimentary Research (SEPM)

... and transforming the time derivative to a spatial derivative by using u = dx/dt, we find upon integration of the result that the surge volume per unit...

1994

Correlation of Sedimentary Basins Across the North Atlantic as Obtained from Gravity and Magnetic Data, and Its Relation to the Early Evolution of the North Atlantic: Chapter 9: North Atlantic Perspectives

J. Verhoef, S. P. Srivastava

AAPG Special Volumes

.... The derivative maps show the presence of several trends which cut across the basins on the southern Grand Banks and the Porcupine Bank and are parallel to each...

1989

Precision Exploration--The Challenge of the Smaller Target

Frank B. Conselman

AAPG Bulletin

..., for whatever wasting asset, must be as a function of the replacement finding cost of that commodity. Finding cost is itself a derivative efficiency of our...

1968

The Global Oil System: The Relationship Between Oil Generation, Loss, Half-Life, and the World Crude Oil Resource: DISCUSSION

G. F. Ulmishek, R. R. Charpentier, C. C. Barton

AAPG Bulletin

..., his method relies on derivative variables expressed as world-wide averages within a basic material balance equation modeling exponential decay: system...

1993

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