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The AAPG/Datapages Combined Publications Database

Showing 147 Results. Searched 200,357 documents.

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Abstracts: The Deconvolution of Multicomponent Trace Vectors; #90173 (2015)

Xinxiang Li, Peter Cary, and Rodney Couzens

Search and Discovery.com

... in land seismic data processing. With the white reflectivity and minimum phase assumptions, the deconvolution of a seismic trace is determined...

2015

Seismic Estimation of Point-Bar Sands Using Simple Modeling Procedures

Robert Dennison

Indonesian Petroleum Association

... seismograms. These assumed wavelets are generally divided into two groups; Figure 3. Stanvac Normal Polarity, SEG Reverse Polarity Minimum phase...

1984

Abstracts: Recovery of Low Frequency Data from 10Hz Geophones; #90173 (2015)

Malcolm B. Bertram, Gary F. Margrave

Search and Discovery.com

..., minimum-phase, Butterworth filter (Peter Maxwell, 2010). Such a filter, appropriate for the 10Hz geophones, was designed in Matlab, a timedomain wavelet...

2015

Chapter 3: Preparation of Seismic Data for Stratigraphic Work

Tom Wittick

North Texas Geological Society

... is minimum phase. A minimum phase wavelet is asymmetric such as the one shown in figure 3-2. A dynamite explosion will create this type of wavelet...

1992

Transition–Zone Seismic Surveys in Southeast Asia

R. E. Sheriff, Palmer L. Greene, Harold Reaves

Indonesian Petroleum Association

.... A unique feature of PULSE II is that it accommodates non minimum-phase situations, and experience has shown that the effective wavelets from impulsive...

1980

Where Is My Horizontal Well? Use of Borehole Seismic Where Velocities Vary Laterally

Agus Muharam, Frank Musgrove

Indonesian Petroleum Association

... of the SLS-A10 well. The upper horizon pick is the minimum phase zero crossing of the Top Peutu reservoir. The lower horizon pick is the Base Peutu...

1998

SEISMIC DETECTION OF THE ROSE RUN SANDSTONE IN SOUTH-CENTRAL OHIO

James R. Morris, Belden & Blake Corporation, Titusville, Pennsylvania, in conjunction with Quaker State Corporation and KEP Exploration, Inc.

Ohio Geological Society

.... FIGURE 3: Minimum phase extracted wavelet from the Ross #1 seismic line...

1995

Seismic Modeling of a Mixed Carbonate-Siliciclastic Prograded System Middle Permian, Midland Basin

D. G. Harris, J. F. Sarg

West Texas Geological Society

... as overlays in Figure 3, and as detailed plots in Figure 4. These are the Hamon #1 Swinson, Pan American #1 Fowler and the Tenneco #1 Crump. A minimum phase...

1989

ABSTRACT: Quantitative Integration of 4D Seismic for Field Development; #90007 (2002)

Garnham, Gail Riekie, Malu Jensen, Liz Pointing

Search and Discovery.com

... (Figure 3). The modelling has been repeated with other two wavelets extracted from two wells. One is a minimum phase wavelet and the other is a zero phase...

Unknown

Gabor Deconvolution: Surface-Consistent and Iterative

Search and Discovery.com

... have assumed that all four components are minimum phase; however, this assumption could be modified by making any selected component zero phase...

2013

Abstract: Variable-factor S-transform for Time-frequency Decomposition, Deconvolution, and Noise Attenuation; #90172 (2014)

Todor I. Todorov, Gary F. Margrave

Search and Discovery.com

... is a display of a random reflectivity sequence and the corresponding synthetic trace with a minimum-phase wavelet and Q=100. Figure 6 is the variable...

2014

Abstract: Receiver Comparison for a Non-repeatable Earthquake Source on the Hussar 2011 Low-frequency Seismic Experiment; #90174 (2014)

Kevin W. Hall, Gary F. Margrave, and Malcolm B. Bertram

Search and Discovery.com

... response can be modeled as a 2nd order minimum-phase Butterworth filter (Bertram and Margrave, 2011). Inverting this filter to create a time-domain...

2014

Abstract: Full Waveform Inversion Algorithm using Time Imaging Methods; #90174 (2014)

Hassan Khaniani, John C. Bancroft, Gary F. Margrave, and Eric von Lunen

Search and Discovery.com

... of frequencies in updating model. Vigh and Starr (2006) used plane-wave method for 3D problems and Margrave et. al., (2010) used Phase Shift Plus Interpolation...

2014

Abstract: Blind Surface Consistent Wavelet Estimation; #90187 (2014)

E. Bongajum, N. Kazemi, and M. D. Sacchi

Search and Discovery.com

... second order statistics, and therefore phase can not be estimated. Consequently, the minimum phase assumption is adopted for the source and receiver...

2014

Practical Use of Borehole Seismic in Exploration; Goals and Shortcomings

F. Sandnes, L. Nustt, S. G. Henry

Indonesian Petroleum Association

... and the associated downgoing VSP wavelet. The downgoing wavelets from airgun sources, including source ghosts, are close to minimum phase or close to 90° phase (sign...

1983

Limitations on Resolution of Seismic Reflections and Geologic Detail Derivable from Them: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data

Robert E. Sheriff

AAPG Special Volumes

... m. Values indicate thickness of the bed in meters; timing lines are 10 msec apart. (A) minimum-phase wavelet shape. (B) zero-phase wavelet with same...

1977

Composition of seismic facies: A case study

Stale Emil Johansen

AAPG Bulletin

... were used in this study. (1) The reflectivity section derived from the impedance model (reservoir model) was convolved with a minimum-phase Ricker...

2013

Seismic Activity in the Central Gulf Coast Basin

Eugene R. Brumbaugh

New Orleans Geological Society

... between those using a Spiking (minimum phase) or Wavelet (zero phase) deconvolution. Experience with these processes indicates that they are both...

1991

Results of a 3-D Seismic Shoot at Lopeno Field, Zapata County, Texas

By Richard W. Debus and E. E. Rudder

GCAGS Transactions

... during the shoot. Table 1 shows the recording parameters. The process sequence was as follows: End_Page 175------------------------- Minimum...

1998

Seismic Modeling of Porosity Distribution in a Miocene Reef, Salawati Island, Indonesia

William T. Valenta

Indonesian Petroleum Association

... phase distortions were removed, namely those associated with the recording equipment. Then minimum-phase deconvolution was used (Figure 6). The filed...

1979

Overburden Compensation: A Pragmatic Solution to the Frequency Dependent Amplitude Losses Associated With Laterally Variable Overburden

Swee Leng NG, Martin Bayly

Indonesian Petroleum Association

... and indexed for source and receiver location. • The process can be applied with a zero or minimum phase assumptions. Based on the above assumptions...

2008

A new way to enhance the resolution of surface seismic data

Qian Yu, Qing Zhou, Jiaguo Ma, Tao Yan, Lien Bian

International Meeting for Applied Geoscience and Energy (IMAGE)

... the autocorrelation of VSP data in the time window (Assuming that the reflection coefficient is white noise and wavelet is the minimum phase). According...

2022

Lithology Identification Using Amplitude Variations with Offset: Examples from South Sumatra

Soman Chacko

Indonesian Petroleum Association

... kilometers southwest of Palembang (Figure 7). Figure 8 shows seismic line 679-81 over the field. The seismic wavelet in this data is minimum phase...

1986

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