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The AAPG/Datapages Combined Publications Database

Showing 1,706 Results. Searched 200,673 documents.

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Seismicity and Basement Structure Beneath South San Francisco Bay, California

Mary Lou Zoback, Jean A. Olson, Robert C. Jachens

Pacific Section SEPM

... November 25, 1994). All events located with at least 6 arrival times and have RMS travel-time residual <0.3 s, estimated horizontal error (ERH) <2 km...

1995

A Simple Universal Equation for Grain Settling Velocity

R.I. Ferguson, M. Church

Journal of Sedimentary Research (SEPM)

... = 1.2 for higher values, his equation gave an overall root-mean-square (rms) prediction error of ± 15% for a set of 115 experimental values...

2004

The Use of Seismic Attributes to Enhance Structural Interpretation of Z-Field, Onshore Niger Delta

Ayolabi, Elijah. A., Adigun, Akeem. O.

International Meeting for Applied Geoscience and Energy (IMAGE)

... attributes (i.e., phase, amplitudes (RMS, Average Positive and Negative, Interval Average, Sum of Amplitudes), instantaneous frequency, e.t.c...

2021

Dolomite-Limestone Alternations „ from Outcrop to 3D Model

Wolfgang Blendinger, Edwin Meißner

GEO ExPro Magazine

... Pale di San Luca no, covering a total area of about 500x700 m. The path of the logged stratigraphic sections was loaded from accurate (error +/- 0.1 m...

2006

Marine Seismic Sources: Part II: Air-Gun Arrays for Non Experts

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... on a ‘root-mean-square’ (rms) pressure basis. For an ideal sinusoid, the rms level is 9 dB lower than the P-P value. It is difficult to compare...

2010

Time-lapse attenuation variations during CO2 injection using DAS VSP data from the CaMI Field Research Station, Alberta, Canada

Yichuan Wang, Donald C. Lawton

International Meeting for Applied Geoscience and Energy (IMAGE)

... the spectrum S(ti, f) of the waveform s(ti,τ) from equation 3 so that the root-meansquare (RMS) amplitude of the normalized spectrum equals to one...

2022

Seismic Inversion for Hydrocarbon Screening: Mahakam Case Study

Hilfan Khairy, Didiek B. Prabowo, Cepi Adam

Indonesian Petroleum Association

... balancing compensation applications are needed. If there is a large discrepancy in the RMS amplitude above and below an interval it is recommended...

2018

3.2 Basement Involved: 3.2.2 Basement Thrust and Reverse Faults: Seismic Profile: North Fork Area, Powder River Basin, Wyoming

D. S. Stone

AAPG Special Volumes

... Line 1 contained approximately 150 msec lag, so that the earliest seismic sections contained a very significant datum error. Secondly, velocity control...

1983

Results of a Preliminary Test Investigation on the Applicability of Passive Seismic Tomography in VC Block - Assam, India; #41070 (2012)

Rohit Sinha, Nikos Martakis, Akis Tselentis, and Paris Paraskevopoulos

Search and Discovery.com

... India was used. After several trial and error 1D inversions we found out that it is preferable to use a uniform 1.72 Vp/Vs value (especially...

2012

Broadband reconstruction of seismic signal with generative recurrent adversarial network

Zhijun Zhang, Wei Song, Wei Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... = ([ℎ , , ℎ , ]) Θ= =1 Δ specific (1) (2) (3) (4) (5) Where [ℎ , , ℎ , ] is the cascade of ℎ , and ℎ , , σ represents the activation function sigmoid, which...

2022

The Wave Equation Applied to Migration

D. Loewenthal, L. Lu, R. Roberson, J. Sherwood

Southeast Asia Petroleum Exploration Society (SEAPEX)

... the concept underlying the error analysis in the main text. Figure 5. Migration of the Synthetic record section using Δt = 8 ms and Δτ = 200 ms. Migration...

1978

Long-Offset Approximations to NMO Function for a Layered Subsurface

E. Blias

Search and Discovery.com

... is a zero-offset time, x is an offset and VRMS is an RMS velocity. Traveltime function t(x) can be expanded into exact series of x2. It was first done...

Unknown

Long-Offset Approximations to NMO Function for a Layered Subsurface

E. Blias

Search and Discovery.com

... is a zero-offset time, x is an offset and VRMS is an RMS velocity. Traveltime function t(x) can be expanded into exact series of x2. It was first done...

Unknown

Incorporating information on varying sedimentation rates into paleontological analyses

Niklas Hohmann

PALAIOS

... ¼ f0 against the alternative pattern H1 ¼ f1 , the probability of a type 2 error (not rejecting a false null hypothesis) decays exponentially as sample...

2021

Shale Gas OVT Seismic Data Prestack Trace-Gather Optimization Technique

Yusheng Zhang, Gang Yu, Xing Liang, Benjing Liu, Guangming Hu

Unconventional Resources Technology Conference (URTEC)

... be corrected via high precision RMS velocity field estimation, two order or four; the other is the statistical error correction, considering...

2015

A Comparison of Depth Conversion Methods in Buntal Gas Field, Block B, Natuna Sea, Indonesia

Irfan Yuliandri Syukri, John Hughes, Medi Medianesterian

Indonesian Petroleum Association

... analysis shows residual RMS depth errors for each method are similar. For Beta-0, using Dix corrected stacking velocity gives the smallest error (11...

2014

Unveiling Hydrocarbon Potential: Petrophysical Characterization of Unconventional Reservoir in the XŽ Field, Lamongan Sub-Basin, East Java, Indonesia

Atalya Timothy Bebena, Andy Setyo Wibowo, Intan Andriani Putri, Mokhammad Puput Erlangga

Indonesian Petroleum Association

... overview of the outcomes from both processes. Seismic Inversion Analysis 1,2 1 0,8 Correlation 0,6 Error Seismic 0,4 RMS Error 0,2 BPD BPD 2-1...

2024

Unconventional Enhanced Oil Recovery Pilot Projects in the Bakken Formation; #80606 (2017)

B. Todd Hoffman, John Evans

Search and Discovery.com

...: OILPRO, 5/9/2016. Unconventional Enhanced Oil Recovery Pilot Projects in the Bakken Formation B. Todd Hoffman & John Evans Montana Tech RMS AAPG Meeting...

2017

Polygonal Fault System in the Cretaceous of the Magallanes Basin, Southern Chile, #10641 (2014).

Jesus A. Pinto, Manuel Montecinos, Pablo Mella

Search and Discovery.com

... Society of America Bulletin, v. 103, p. 98-111. Figure 1. Location map showing the study area seismic surveys (black boxes, AR = Arenal block and IC...

2014

Revisiting the Upper Cretaceous Niobrara Petroleum System in the Rocky Mountain Region, #51635 (2020).

Mark W. Longman, Barbara A. Luneau,

Search and Discovery.com

... Interior Basin: Geological Association of Canada Special Paper 39, p. 435-452. Cumella, S., 2017, Fun Things to do with Digital Logs in Your Spare Time: RMS...

2020

Simultaneous Inversion for Microseismic Event Location and Velocity Model in Vaca Muerta Formation

Zhishuai Zhang, Jing Du, Fuchun Gao

Unconventional Resources Technology Conference (URTEC)

... the parameterization error, however, may lead to an ill-posed problem. The velocity model parameter set we use in this study is comprised of P- and S-wave...

2017

Chapter 10: Earthquake, Tomographic, Seismic Reflection, and Gravity Evidence for a Shallowly Dipping Subduction Zone beneath the Caribbean Margin of Northwestern Colombia

Rocio Bernal-Olaya, Paul Mann, Carlos A. Vargas

AAPG Special Volumes

... complexes in northwest Colombia: Evidence from geochemistry and K-Ar, Sm-Nd and Rb-Sr isotopes: Earth and Planetary Science Letters, v. 126, n. 1, p. 41...

2015

Historical Shoreline Dynamics Along the Chenier Plain of Southwestern Louisiana

Mark R. Byrnes, Randolph A. McBride, Qiang Tao, Lisa Duvic

GCAGS Transactions

... comparisons of shoreline position, error is additive. Assuming individual errors represent standard deviations, a root-mean-square (rms) approach can...

1995

Application of formation pressure prediction technique based on high-density three-dimensional seismic constraints in complex structural zones

Baoli Yu, Keyu Liu, Chao Li, Peng Chen, Baorong Xu, Jia Chen, Wenchao Xiang, Bo Yuan

International Meeting for Applied Geoscience and Energy (IMAGE)

... for pressure body prediction is obtained from the RMS velocity field of prestack time migration seismic data. Generally, the accuracy of the result...

2022

Machine learning and seismic attributes for prospect identification and risking: An example from offshore Australia

Mohammed Farfour, Douglas Foster

International Meeting for Applied Geoscience and Energy (IMAGE)

... to predict a Gamma Ray model from seismic data. The RMS error starts high and then decreases to a stable level which indicated that network has...

2022

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