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The AAPG/Datapages Combined Publications Database

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

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Ascending

Potential Field Interpretation and Modelling in the Deep-Water Otway Basin

Yvette H. Poudjom Djomani, Merrie-Ellen Gunning

Australian Petroleum Production & Exploration Association (APPEA) Journal

... Enhancement processing Tilt angle of magnetic data The tilt angle is a quantity derived from the ratio of vertical to total horizontal derivative...

2022

New Reservoir Modelling Workflow

Akm Eahsanul Haque

GEO ExPro Magazine

... of occurrence of sand versus non-sand facies. The number is a unitless derivative from 0 to 1, in which lower fractions correlate to higher...

2019

West Louisiana Chenier Plain History

William F. Tanner

GCAGS Transactions

..." and "e," is maximum at "b" and is minimum (large but negative) at "d." That is, erosion is the positive first derivative of transport, and deposition...

1973

Angle-constrained VSP least-squares reverse-time migration based on a high-efficiency stabilized Poynting vector

Xuan Ke, Mauricio Sacchi, Ying Shi

International Meeting for Applied Geoscience and Energy (IMAGE)

...irst-order time derivative, we can express π‘–πœ”π‘(𝐱, 𝑑) as: πœ•π‘(𝐱,𝑑) π‘–πœ”π‘(𝐱, 𝑑) = . (10) πœ•π‘‘ Substituting equation (10) into equation (9), we c...

2023

Weather Patterns and Coastal Processes

William T. Fox, Richard A. Davis Jr.

Special Publications of SEPM

... of barometric pressure and breaker height 1970 current was correlated with the first derivative Longshore beach was correlated with the second derivative...

1987

Austin Chalk Exploration

John F. Harris

Tulsa Geological Society

... area, Uinta basin, Utah. Maximum curavature can be predicted from a structure map by means of a second derivative process. The structure map chosen...

1984

Improving Oil Recovery Using Chemicals Developed in Indonesia

Suryo Purwono, Bardi Murachman, Iman Wahyono Sumarinda, I. Gusti Budiaman

Indonesian Petroleum Association

... be industrial waste which can be used as an EOR chemical; 4) it must have high recoverability; and 5) it must not be a petroleum derivative. The Goal...

1995

The need of elastic RTM for elastic FWI models

Hui Huang, Zedong Wu, Xue Xiao, Zhigang Zhang, Ping Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... for various geologic environments (Zhang et al., 2018; Wang et al., 2019). Built upon a reliable FWI, FWI Imaging, the normal derivative of the FWI...

2023

Automatic well-log baseline correction via deep learning for rapid screening of potential CO2 storage sites

Misael M. Morales, Carlos Torres-VerdΓ­n, Michael Pyrcz, Murray Christie, Vladimir Rabinovich

International Meeting for Applied Geoscience and Energy (IMAGE)

... corresponding set of engineered features, 𝝃, for a randomly selected well. The derivative with respect to depth is given by the centered finite difference...

2024

Horizontal Drains in Deep, Tight Gas Reservoirs: Tambora Field's Experience and Outlook

Frederic Febvre, Didier Caie, Sugimin Harsono, Januar Wirawan

Indonesian Petroleum Association

... and reservoir pressure. The analytical model gave a very good match on the derivative pressure (Figure 6), and it confirmed that the PI was over 5 times...

2000

Explainable AI: Can neural networks recognize first arrivals after wave separation?

Yanwen Wei, Zhenyu Zhu, Jicai Ding, Yichuan Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

..., οΏ½ = βˆ‘οΏ½ = βˆ‘ οΏ½οΏ½,οΏ½ . (2) (1) οΏ½,οΏ½ According to the chain rule, the derivative of the objective function with respect to the input data can be resolved...

2024

A New Efficient Scheme to Model Hydrocarbon Migration at Basin Scale: A Pressure-Saturation Splitting

Sylvie Wolf, Isabelle Faille, Sylvie Pegaz-Fiornet, Franoise Willien, Bernard Carpentier

AAPG Special Volumes

... to the full-time derivative in the first term of equation 9. We obtain:Substituting equation 10 with equation 9 and using Green's formula...

2012

A Methodology Using Triple-Combo Well Logs to Quantify In-Place Hydrocarbon Volumes for Inorganic and Organic Elements in Unconventional Reservoirs, Recognizing Differing Reservoir Wetting CharacteristicsΒ„An Example from the Niobrara of the Denver-Julesburg Basin, Colorado

Michael Holmes, Antony Holmes, Dominic Holmes

Unconventional Resources Technology Conference (URTEC)

..., effective inorganic porosity, and effective organic porosity. This last component, a derivative from TOC during the thermal maturation process...

2019

Multi-Cycle Shear Fracturing Technique as a Production Enhanchment Approach for a Thin, Shallow and Unconsolidated Formation

Annisa Palupi, Pande Susanta, M. Yasin Abdul Fatah, Ivan Efriza, Dimas Hadi Prabowo

Indonesian Petroleum Association

...) for another treated well. The pressure and pressure derivative are separated by ~2 log cycles at the first decline (red) , and less in each post...

2020

Exploration-Scale Features from High Resolution Gravity and Topographic Datasets and Their Derivatives

James W. Granath, William G. Dickson, Janice M. Christ, Mark E. Odegard

Indonesian Petroleum Association

... is the total horizontal derivative (THD), which emphasizes slopes around features, and so is used to decipher features of common origin. Figure 4 shows detail...

2004

Selecting An Optimum Hydrophobic Groups From Vegetable Oil Derivative for Surfactants used in Enhanced Oil Recovery

Ilham Ardatul Putra, Yani F. Alli, Usman, Didin Mujahidin

Indonesian Petroleum Association

...Selecting An Optimum Hydrophobic Groups From Vegetable Oil Derivative for Surfactants used in Enhanced Oil Recovery Ilham Ardatul Putra, Yani F. Alli...

2021

Siliciclastic Reservoirs within Sepinggan Carbonate Sequences, a New Emergent Interval of South Mahakam Field, Lower Kutai Basin

Argo Wuryanto, Rizzasila Widiartha, Moch Rushatmanto, Haris Kurniawan Hidayat, Sri Hartanto

Indonesian Petroleum Association

... reservoir heterogeneity. A hypothesis capturing early, middle, and late time response on log-log derivative plot using multi zone linear composite...

2023

Quantifying the EUR Impact Associated to Drawdown Management Strategies

AgustΓ­n Terminiello, Pablo Crespo

Unconventional Resources Technology Conference (URTEC)

...: β…†(πΈπ‘ˆπ‘…) β…†(π‘₯𝑓 β‹… 𝐻𝑓 β‹… βˆšπ‘˜) = 𝑓 β€² (π‘₯𝑓 β‹… 𝐻 𝑓 β‹… βˆšπ‘˜) = π›₯(πΈπ‘ˆπ‘…) π›₯(π‘₯𝑓 β‹… 𝐻𝑓 β‹… βˆšπ‘˜) = 𝐴 𝐿𝐹𝑃 = π‘π‘œπ‘›π‘ π‘‘π‘Žπ‘›π‘‘ Therefore, the first derivative of β€œf” is constant and equal to ALFP [Mbbl/ft2.md0.5]. Moreover, as the first derivative is constant...

2022

EXTENDED ABSTRACT: From 2 Dimensional to 3 Dimensional: Modeling the Western Gulf of Mexico Using Recently Acquired Long Offset Seismic and Gravity Data

Parsons, M., Price, A., Bain, J., Mulcahy, S., and Pawlowski, R.

GCAGS Transactions

... derivative) of the gravity field were used by the seismic interpreter in an empirical fashion, whereas the three-dimensional gravity modeling...

2004

Drill-Core and Geophysical Investigation of the Western Part of the Crystalline Rim, Wetumpka Impact Structure, Alabama

Pascual Tabares, David T. King, Jr., Jens OrmΓΆ

GCAGS Transactions

... for construction of highly detailed digital elevation models (DEMs) and derivative images, which have been used in this study. King, D. T., Jr., T. L. Neathery...

2013

Determination of Lithology from Well Logs Using a Neural Network (1)

SAMUEL J. ROGERS , J. H. FANG , C. L. KARR , and D. A. STANLEY

AAPG Bulletin

... connecting the input and middle layers. This generalized delta rule relies on the derivative of the transfer function associated with the individual...

1992

Far-Field Tectonic Controls on Deposition of the Ordovician Utica/Point Pleasant Play, Ohio Using Core Logging, Well Logging, and Multi-Variate Analysis, #11233 (2019).

Julie Bloxson,

Search and Discovery.com

.... Bloxson and Saylor, in prep. Varimax-Rotated Visible Derivative Reflectance Spectroscopy of the Utica Shale/ Point Pleasant Formation in Ohio. Kolata...

2019

Seismic Imaging of Sturctural, Stratigraphic and Diagenetic Plays - Workshop Summary

Bruce Hart

PTTC

... Methods Seismic attributes are a derivative of basic seismic measurements of geometric, kinematic, dynamic or statistical features. Amplitude images...

2003

Miocene Deposiiton and Petroleum Geology - Northern Gulf of Mexico - Workshop Summary

Richard Fillon, Paul Lawless

PTTC

... into old exploratory field techniques such as gravity. Computer generated second-vertical derivative (SVD) gravity maps can now contrast low density salt...

1999

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