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The AAPG/Datapages Combined Publications Database

Showing 4,169 Results. Searched 200,691 documents.

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Effects of Porous Properties of Rock on Near-Wellbore Hydraulic Fracture Complexity

Yongcun Feng, K. E. Gray

Unconventional Resources Technology Conference (URTEC)

...Effects of Porous Properties of Rock on Near-Wellbore Hydraulic Fracture Complexity Yongcun Feng, K. E. Gray URTeC: 2883153 Effects of Porous...

2018

Abstract: Near-surface Issues in TTI Wave Equation Migration from Topography; #90171 (2013)

Chuck Ursenbach, Richard A. Bale, and Samuel H. Gray

Search and Discovery.com

... in improving the near surface image: a k-filter with an elliptical cutoff, and a subsurface p-filter. In addition, it is useful to introduce a zero...

2013

Integrating Gravity and Magnetic Data to Define Prospects for Oil and Gas in Central Texas: A possible structural framework for hydrocarbon exploration in central Texas

Joseph P. Fagan, Jr., E. Gerald Rolf, Robert U. Neese, Kenneth O. Seewald

Bulletin of South Texas Geological Society

...-pass filter to the gravity data, gravity features that result from deeper in the crust can be examined. Analogous to modeling done by Diment in Nicholas...

2000

Reducing seismic quantitative interpretation uncertainty in complex geological environments: A case study from offshore Australia

Andrea Paxton, Lianping Zhang, Abdul Kholiq, Lee Davey, Richard Bisley, Dominic Fell, Leo Leon, James Shadlow

International Meeting for Applied Geoscience and Energy (IMAGE)

... to distortions and shadow imaging effects and pose challenges for the a-priori model building and amplitude fidelity for pre-stack inversion (Geoscience...

2022

Induced polarization chargeability calibration standards

John E. E. Kingman, Terry J. Ritchie, Peter Rowston*

Petroleum Exploration Society of Australia (PESA)

... filter effects near the switching edge. 3) Calculate the averaged theoretical or standard-model secondary signals at the specified measurement on-time...

2019

Seismic impedance inversion via neural networks and linear optimization algorithm

Bo Zhang, Yitao Pu, Ruiqi Dai, Danping Cao

International Meeting for Applied Geoscience and Energy (IMAGE)

... normalization regularizer, a rectified linear unit (ReLU), and a max pooling operation. The filter numbers of layers 1-7 (from shallow to deep...

2024

The Slotted Cone Splitter

F. J. Flanagan, R. C. Kellagher , W. L. Smith

Journal of Sedimentary Research (SEPM)

...? Estimates of possible effects due to the vibration would also be desirable. Inasmuch as the vibration is proportional to the current input to the vibrator...

1959

Practical Application of Adaptive Least-Squares Reverse Time Migration (LSRTM) to Advance Field Development and Uncover New Reserves in the Subsalt Provinces

Chong Zeng, Shuqian Dong, Zhaohong Wu, Jean Ji, Darrell Armentrout, Bin Wang

GCAGS Transactions

.... T. Schuster, 2014, Nonlocal means filter for trim statics: Society of Exploration Geophysicists 2014 Expanded Abstracts, Tulsa, Oklahoma, p. 3925–3929...

2016

Use of Quantitative Fluorescence Measurements in Drilling Operations

H. Zierfuss , D. J. Coumou

AAPG Bulletin

... lamp provided with a filter transmitting radiation mainly of 3,655 A wave length and excluding practically all visible light. The radiation...

1956

Hydrocarbon Potential of Pennsylvanian Black Shale Reservoirs, Paradox Basin, Southeastern Utah (OFR-534)

S. Robert Bereskin, John McLennan

Utah Geological Survey

... views result from an ultraviolet reflected light source using a blueviolet filter. The former transmitted light views allow identification of minerals...

2008

Lithology Prediction by Extrapolating Well Data

Brian Barley, Dean Chergotis, Mai Wilson, Susan Young

Indonesian Petroleum Association

... are discriminable from shale, and fluid fill effects are of the same magnitude as small changes in porosity. Sandstones of economic interest...

1992

Design and Analysis of Improved Swelling and Degradable Diverting Agent for Multistage Hydraulic Fracturing

Keito Ikebata, Tomoki Onishi, Kenji Furui, Shusaku Mandai, Yasuhiro Hirano, Yuya Kanamori, Bessie Psihogios, Ryosuke Taniguchi

Unconventional Resources Technology Conference (URTEC)

...-pressure and high-temperature filter press is used to evaluate fluid loss properties of the BVOH diverting agents. A base fluid is prepared by mixing 400 mL...

2021

Factors Governing the Distribution of Mammals in the Chihuahuan Desert Region1

David J. Schmidly

West Texas Geological Society

... suitable to them but allow others to pass and occupy such areas. Three important filter barriers to the dispersal of mammals in the Chihuahuan Desert may...

1985

SPE 49025: Geostatistical Analysis of Petrophysical Data and Modeling of Fluid-Flow Effects in Carbonate Outcrops

James W. Jennings, Jr., Stephen C. Ruppel, W. Bruce Ward

West Texas Geological Society

...SPE 49025: Geostatistical Analysis of Petrophysical Data and Modeling of Fluid-Flow Effects in Carbonate Outcrops James W. Jennings, Jr., Stephen C...

1999

Parsimonious Deconvolution

Jon F. Claerbout

Southeast Asia Petroleum Exploration Society (SEAPEX)

... by finding and using the filter which maximizes Σ xt2 fn xt2 subject to Σ xt2 = l where xt is the filter’s input and xt convolved with bτ is the observed...

1980

Optimum Deconvolution for Seismic Inversion Purposes

M. Suprajitno, L. Nutt, P. Busono

Southeast Asia Petroleum Exploration Society (SEAPEX)

... and the optimum-lag spiking filter for seismic inversion purposes. The Homomorphic system was used because of its superiority to other methods for wavelet...

1988

Amplitude Recovery of Digitally Recorded Data

Roy O. Lindseth

Pacific Section of AAPG

..., the effects of which must be eliminated in order to obtain reliable information. Present day binary gain and floating point systems provide...

1972

Requirements for the Monitoring of Industrial Deep-Well Waste-Disposal Systems

J. S. Talbot

AAPG Special Volumes

... measurement of wellhead injection pressure and of injection tube-casing annulus pressure; definition of corrosive effects of the waste on the well materials...

1972

Flexural and Full Wave Logging Using the Low-Frequency Dipole Sonic

David E. Sharbak

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

..., the critical frequency decreases. The change in speed with frequency is also more gradual in slower formations. To avoid dispersion effects, the dipole source...

1994

Unconventional Processing for 3D Data: A 1993 Case History

Claude Eizlini, Jacques Bonnafe, Bugi Kamil, Gilles Bitoun

Indonesian Petroleum Association

... affecting all the ray-paths (statics) or is it caused by deep velocity variations and having effects which are time and offset dependent (dynamic)? In Peciko...

1994

Rare Earth Elements (REE) as Transformation Indicators of Organic Matter; Case Study of the Woodford Shale, North Central Oklahoma

D. Ramirez-Caro, M. Totten, S. Chaudhuri, N. Clauer, R. Boutin, J. Miesse, G. Riepl, K. Semhi

Unconventional Resources Technology Conference (URTEC)

..., a reasonable suggestion about the history of the REEs in the organic materials would be that both source and burial transformation effects...

2013

Effect of Differential Stress on Strontium Partitioning in Calcite

John D. Humphrey , Roy P. Howell

Journal of Sedimentary Research (SEPM)

... of KDSr-Ca variability to changes in temperature, fluid Sr/Ca ratios, and hydrostatic stress. By including the effects of differential stress, these data...

1999

Broadband Seismic Technology and Beyond: Part XI: Which Technology to Choose?

Lasse Amundsen, Martin Landrø, Jan Erik Lie, Vidar Danielsen, Per Eivind Dhelie

GEO ExPro Magazine

... (0-1-3-4 Hz bandpass filter has been applied). A more continuous and stronger response is observed for the deeptowed streamer data. ghost effects...

2014

The Determination of Potassium in Oil Field Brines by Atomic Absorption Spectrometry: GEOLOGICAL NOTE

G. K. Billings

CSPG Bulletin

... cellulose filter, a portion of the brine is diluted sufficiently to place the K concentration in the linear working range of the instrument (.05-30 mg/1...

1965

A New Approach to Time Depth Conversion and Depth Error Estimation for 2D Interpretation Using Seismic Velocities

Rosidah Hardiani, Sanisah Soed, Lothar Schulte

Indonesian Petroleum Association

... coefficient. It was assumed that the optimum filter length for the velocity smoothing could be identified by the largest correlation coefficient. After...

2013

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