Automation of passive seismic processing via machine learning and physics-informed methods

Ivan Lim Chen Ning, Laura Swafford, Mike Craven, Kevin Davies, Evan Earnest, Dean Thornton

International Meeting for Applied Geoscience and Energy (IMAGE)

... density-based spatial clustering of applications with noise (DBSCAN), an unsupervised machine learning technique Second International Meeting for Applied...

Improving Marcellus Imaging Through the Use of FWI and Joint Tomographic Inversion for Velocity and Epsilon

David McCann

Unconventional Resources Technology Conference (URTEC)

... to improve the near surface velocity model sufficiently to warrant URTeC 2878680 5 the extra time to perform the study. The second is to obtain...

Seismic Profiles of the Powder River Basin, Wyoming

W. Richard Moore

Rocky Mountain Association of Geologists

... on the steeply-dipping west flank of the basin and crosses the basin axis. PRB-1 in southern Campbell County is located along structural dip on the east...

Application of least squares one-way wave migration in irregular sampling data of Bohai Bay Basin

Lv Yongchang, Li Daoshan, Wang Yongming, Meng Jie, Feng Xukui, Hu Dan, Wu Xiaofeng, Kong Zhaoju

International Meeting for Applied Geoscience and Energy (IMAGE)

... operator, which can be regarded as the approximation of the inverse operator of seismic forward simulation (Nemeth et al., 1999). This process avoids...

Abstract: Practical Implementation of SRME for Land Multiple Attenuation; #90187 (2014)

Juefu Wang and Shaowu Wang

Search and Discovery.com

... higher moveout parameters in tau-p domain compared with primaries at the same time level (Hampson, 1987; Sacchi and Ulrych, 1995). A successful separation...

Application of finite difference eikonal solver for traveltime computation in forward modeling and migration

Amir Mustaqim Majdi, Seyed Yaser Moussavi Alashloo, Nik Nur Anis Amalina Nik Mohd Hassan, Abdul Rahim Md Arshad, Abdul Halim Abdul Latiff

Geological Society of Malaysia (GSM)

... tracing method and finite difference approximation to the eikonal equation (Perez & Bancroft, 2001; Alkhalifah & Fomel, 2010; Alashloo & Ghosh, 2017...

Abstract: New Seismic Technology in Acquisition & Processing Re-Opens Areas for Pre-Tertiary Exploration in Eastern Indonesia

Andrew Cochran

Southeast Asia Petroleum Exploration Society (SEAPEX)

... Some basins, which have seen substantial exploration but yielded no discoveries, may be worth a second look due to advances in seismic technology...

Automated velocity modeling with domain transformations

Kevin Gullikson, Arnab Dhara, Ram Tuvi, Mrinal K. Sen

International Meeting for Applied Geoscience and Energy (IMAGE)

... data size for a typical survey is in the terabytes). Second, the model must implicitly learn the conversion from shot gather domain (shot location...

Abstract: Uncertainty in Surface Microseismic Monitoring; #90187 (2014)

Michael Thornton, Mike Mueller, and Leo Eisner

Search and Discovery.com

... are, in fact, true microseismic events and not spurious noise? The second relates to the event localization: How accurate are the positional estimates...

Quantitative Seismic Reservoir Characterization of an Oligocene Miocene Carbonate Buildup: Malampaya Field, Philippines

Dietmar Neuhaus, Jean Borgomano, Jean-Claude Jauffred, Christophe Mercadier, Sam Olotu, Jrgen Grtsch

AAPG Special Volumes

... to nonhyperbolic residual moveout. High-frequency attenuation in the overburden and the effects of residual moveout limit the frequency spectrum...

Characterization of a Shallow Steamed Oil Reservoir Using Crosswell Seismology

Bjorn N. P. Paulsson, John W. Fairborn

Indonesian Petroleum Association

... completed in June, 1989. A second experiment, a comparative study of the Chevron research-prototype, borehole vibrator and the commercially available...

TTI Wave Equation Migration by Phase-Shift Plus Interpolation

Richard A. Bale

Search and Discovery.com

... is able to handle multi-pathing in a natural way, and is not based upon a high-frequency approximation to the wave equation. Shan and Biondi (2005...

TTI Wave Equation Migration by Phase-Shift Plus Interpolation

Richard A. Bale

Search and Discovery.com

... is able to handle multi-pathing in a natural way, and is not based upon a high-frequency approximation to the wave equation. Shan and Biondi (2005...

Prestack inversion and amplitude variation with offset attributes as hydrocarbon indicators in carbonate rocks: A case study from the Illinois Basin

Jacob T. Murchek, Paul McColgan, Lindell C. Bridges, Ernest C. Hauser, and Doyle R. Watts

AAPG Bulletin

... modulus and bulk density as shown in equation 1: where VP and VS are in meters per second, ρ is the density (in grams per cubic centimeter...

Abstract: Enhanced 3-D Imaging in Difficult Areas from Texas to Yemen, Case History, by T. R. Nickoloff and J. C. Manatt, Jr.; #90937 (1998).

Search and Discovery.com

Premigration attenuation analysis and mapping to image domain by weighted migrations

Yonghe Sun, Chunling Wu, Mark Fan, Zhemin Tan

International Meeting for Applied Geoscience and Energy (IMAGE)

... 𝑡 ∗ from premigration data, computing a data-domain 1/𝑄 ≈ 𝜕𝑡 ∗ /𝜕𝑡, and mapping 𝑡 ∗ and 1/𝑄 to image domain by depth migrations. For low-dip...

A 3D Seismic Interpretation - Flounder Field, Gippsland Basin

A. J. Young, R. R. Coenraads

Petroleum Exploration Society of Australia (PESA)

... every tenth dip line. The normal moveout velocity profiles were smoothed and the values posted and con• toured. This smoothed normal moveout velocity map...

Structural Interpretation of the Table Rock Area 3-D Survey, Sweetwater County, Wyoming

Cynthia B. Russell, Donald S. Stone

Rocky Mountain Association of Geologists

... was performed after the second pass of surface-consistent residual statics. After the data were corrected for normal moveout (NMO) and the statics were...

Oil Column Calculations in Stratigraphic Traps

Robert R. Berg

GCAGS Transactions

... (Fig. 4). Before the field was discovered a down-dip hole, such as well A, penetrated 25 feet of porous and highly permeable, bar sandstone. A second...

Fast Gauss-Newton full-wavefield migration

Siamak Abolhassani, Eric Verschuur

International Meeting for Applied Geoscience and Energy (IMAGE)

... of iterations, one remedy is to address LSM through the second-order Gauss-Newton (GN) method, where the model perturbation vector ∆m, which is added...

Prediction of Normal-Fault Geometries--A Sensitivity Analysis

Martha Oliver Withjack, Eric T. Peterson

AAPG Bulletin

...-Chevron and dip-line constructions of Williams and Vann (1987) conserve cross sectional area. Second, case studies have shown that inclined simple shear...

Enhanced 3D Seismic Interpretation Using Display of Combined Seismic Attributes

Bill Higgs, Bill Kowalik, Yi Luo

Indonesian Petroleum Association

... to intensity include edge defection and dip azimuth attributes. Seismic attributes suitable for mapping to hue include seismic amplitude, instantaneous...

Pressure prediction using converted shear waves from OBN data: A rock physics approach

Prajnajyoti Mazumdar, Kevin Searles, Bjorn Olofsson, James Gaiser, Terence Krishnasami

International Meeting for Applied Geoscience and Energy (IMAGE)

... of Eaton’s method (Eaton, 1975). The iterative method involves pre-stack depth migration (PSDM), automatic picking of residual moveout and examination...

Corrected Record Sections

Ernest M. Hall Jr.

CSPG Special Publications

... moveout. The weathering and elevation or “static” corrections are constant for a given trace throughout the length of the record. The normal moveout...

Rock Physics Inversion: A Montney Case Study, #41295 (2014)

James Johnson, Lisa Holmstrom, Satwant Diocee, Rob Tilson, Sean Johnson

Search and Discovery.com

... AVO inversions, and a second rock physics inversion. The AVO inversion uses the Aki and Richards linear approximation to the Zoeppritz equations...