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The AAPG/Datapages Combined Publications Database

Showing 4,162 Results. Searched 200,357 documents.

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Separation of Quartz and Feldspars from Mudrocks: RESEARCH-METHOD PAPER

Harvey Blatt, Richard L. Jones, Raymond G. Charles

Journal of Sedimentary Research (SEPM)

... and cover using a wash bottle containing 1.ON HCl. Continue heating until the fusion cake is completely dissolved. 5) Filter using a Buchner funnel...

1982

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

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

Abstracts: Seismic Attributes on Frequency-enhanced Seismic Data; #90173 (2015)

Satinder Chopra, Kurt J. Marfurt, Somanath Misra

Search and Discovery.com

... of the geology, the play concept, access to any well data, and therefore be better able to keep or reject alternative filter products that are consistent...

2015

Strategies Implemented to Tackle Sand Production Issue in the Peciko Gas Field, Offshore Indonesia

Mursalim Mardin, Suryani, Kristanto, Prayudi Noverri, Siti Masitah, Muhamad Alyasa

Indonesian Petroleum Association

... free rate policy with improved sand free limit defined for SIMOPS and NON-SIMOPS Utilization of modified Sand Filter equipment as portable de-sanding...

2014

Abstract: Implementation of a Novel Wellbore Strengthening Technique Using a Proprietary Bridging Material … Success Case Study from Umm Ghadir Field in Kuwait; #91204 (2023)

Prashant Darwade, Ahmed Fouad, Waleed Al-Baghli, Bijen Goswami, Talal Al-Wehaidah, Yogesh Takate, Niraj Kumar, Prakash Jadhav

Search and Discovery.com

... seal the intra-particular spaces found in a filter cake in both water based and oil based muds. Particles in this size range are also able to increase...

2023

Well Development

Glenn R. Lowenstein and Allen Stoltz

Houston Geological Society Bulletin

.... If a water sample submitted to the laboratory for analysis contains sediments, the analyst must first filter the sample, possibly causing loss...

1991

Photography for Geologists: DISCUSSION

AAPG Bulletin

... which contain such information as: filter factors, relative exposures for different types and makes of emulsions, depth of focus tables, et cetera, some...

1936

A Squeezer for Extracting Interstitial Water from Modern Sediments: NOTES

Raymond Siever

Journal of Sedimentary Research (SEPM)

... to various gases; glass storage bottles interfere with silica determinations. The best solution is to use a modified type of filter press (fig. 1...

1962

Generating a New Approach for Continuous Reservoir Model Updating: Non-Gaussian Priors & Nonlinear Data Functions in EnKF (Paper P17)

S. Forghany, A. A. Asgari, T. Behrouz

Geological Society of Malaysia (GSM)

... parameters and the state variables are updated continuously in time. It is called Ensemble Kalman Filter (EnKF) for data assimilation. It is a Monte-Carlo...

2012

3D Seismic Data Interpolation by Frequency Domain Local 2D Prediction

Xishuo Wang

Search and Discovery.com

... in 1D. The higher the dimension count the larger the filter size and the more costly. My present approach is to fix offset x & y, and do 2D prediction...

Unknown

3D Seismic Data Interpolation by Frequency Domain Local 2D Prediction

Xishuo Wang

Search and Discovery.com

... in 1D. The higher the dimension count the larger the filter size and the more costly. My present approach is to fix offset x & y, and do 2D prediction...

Unknown

Abstract: Noise and its Effect on Microseismic Event Locations; #90174 (2014)

Neda Boroumand and Henry Bland

Search and Discovery.com

... that the noise was approximately modeled by low-pass filtering a white random signal using a second-order Butterworth filter (12dB/octave with a corner...

2014

Field Photography for Geologists

F. T. Thwaites

AAPG Bulletin

... the film is sensitive. The narrower the range in colors used, the greater the sharpness of the picture. To secure de ails in pictures of rocks a filter...

1936

Are Horizontal Wells Right For Development Of Groundwater Resources In The Garber-Wellington Aquifer?

James W. Roberts

Oklahoma City Geological Society

... is 12.0 inches in diameter and was constructed with 500 feet of screen. Natural formation materials were used as the filter pack around the screen...

2019

Looking for a simplified and generalized training set in ML applications for gravity modelling

Luigi Bianco, Ciro Messina, Maurizio Fedi

International Meeting for Applied Geoscience and Energy (IMAGE)

... Conv1 Conv2 MP1 Conv3 Conv4 Conv5 Conv6 Conv7 Conv8 FC1 FC2 Parameter name Filter Kernel Filter Kernel Max Pooling Filter Kernel Filter Kernel Filter...

2023

Full Spectrum Falcon … Measuring wide broadband airborne gravity data

Chris van Galder

Petroleum Exploration Society of Australia (PESA)

... model for airborne gravity (AG) decays as filter wavelengths increase, while the error model for airborne gravity gradiometry (AGG) increases...

2019

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