Memorial: Loyd Adolph Carlson (1923-2009)

Avis Carlson

AAPG Non-Technical and Memorials

... & Palliative Care Center of Western Colorado. Loyd was born on February 2, 1923 in Crofton, Nebraska, to Elsa and Adolph Carlson, Swedish immigrants. They lived...

Memorial: Albert Ray Jennings (1926-1999)

Earl Harrison

AAPG Non-Technical and Memorials

..., at a local hospital in Abilene, Texas, from a massive coronary. He was born November 11, 1926, in Grosvenor (Coleman County), Texas, to Albert and Alice...

Memorial: Charles Day Masters (1929-1999)

James A. Peterson, Mahlon Ball, James Clarke, Ozzie Girard, John Kingston, Doug Klemme, Richard Mast, Gregory Ulmishek

AAPG Non-Technical and Memorials

..., Gregory Ulmishek Chuck was born in Pawhuska, He then rejoined Amoco, who had fi- Oklahoma. His father was Alan Mas- nanced his thesis project...

Memorial: Raymond Lamar Frisby (1934-2002)

Scott Cooley

AAPG Non-Technical and Memorials

... was born September 30, 1934, in Union County, Arkansas. He grew up on his parents' (Raymond and Betty] farm on Wesson Road near El Dorado. Ray's father...

Memorial: Fred C. Ackman (1931-2001)

Edward J. Ackman, Bill D. Holland

AAPG Non-Technical and Memorials

... at Tinker Field in Oklahoma City. Steve Ackman, their first son, was born July 1, 1951. These were lean times, but in the spring of 1952 he received...

Memorial: José Rafael Domínguez (1919-2004)

Hans H. Krause

AAPG Non-Technical and Memorials

... as an external director, and in t h e World Petroleum Congresses. Also during these years, Jose Rafael and Joan's five children were born. JOSE RAFAEL...

Finite-frequency transmission traveltime tomography in VTI media

Fei Luo, Lanlan Yan, Jiexiong Cai

International Meeting for Applied Geoscience and Energy (IMAGE)

... a finitefrequency traveltime tomography in VTI media using the Rytov approximation. Compared with the Born approximation, the Rytov approximation can...

Least-squares reverse-time migration with angle gathers through point spread functions

Jianyong Bai, Orhan Yilmaz

International Meeting for Applied Geoscience and Energy (IMAGE)

...flectivity model. The Hessian in the LSRTM is approximated by point spread functions, which are calculated from Born modeling followed by RTM. The method...

A recipe for practical iterative LSRTM with synthetic and real data examples from Brazil

Valeriy Brytik, Gopal Palacharla, Rishi Bansal, Diwi Snyder, Xu Li, Young Ho Cha, Partha Routh, Inma Dura-Gomez, Dmitriy Pavlov, Carey Marcinkovich

International Meeting for Applied Geoscience and Energy (IMAGE)

... imaging method, based on local differentiation (Born approximation), for estimating an illumination compensated image. With careful selection...

Practical considerations for computing the kernels of reflection-based full-waveform inversion

Houzhu (James) Zhang, Hong Liang, Hongwei Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... on the conditioning of time-shifts from dynamic warping, preparation of Born velocity perturbation, approximation of Hessian and filtering of frequency components...

Nonlinear LS-RTM based on the seismic scale separation and full-wavefield multiparameter FWI

ystein Korsmo, Yang Yang, Nizar Chemingui, Andrey Pankov, Antonio Castiello

International Meeting for Applied Geoscience and Energy (IMAGE)

... with a linear solver (Gauthier et al., 1986; Mora, 1989). The synthetic data are generated based on the Born approximation, where only the first order scattering...

Memorial: Roy J. Metcalf (1889-1941)

Frank Rinker Clark

AAPG Non-Technical and Memorials

... ' s father, Henry Hill Metcalf, was born on M a y 28, 1843. R o y ' s father volunteered for service in the Union army at the age of seventeen and served...

Memorial: Robert Henry Dott, Jr. (1929-2018)

Rasoul Sorkhabi

Petroleum History Institute

...) Memorial Robert Henry Dott, Jr. (1929-2018) Robert (Bob) Henry Dott, Jr. died on February 27, 2018 after 11 years of battling lymphoma. He was born...

Memorial: Thomas Samuel Harrison (1881-1964)

Arthur E. Brainerd

AAPG Non-Technical and Memorials

...; Thomas S. Harrison, Jr., Ed N. Harrison, and John W. Harrison, were born in Cody, Wyoming. A daughter, Ruth—Mrs. M. H. Matthes—was born after...

Memorial: Robert Jennings Riggs (1888-1965)

Harold T. Morley

AAPG Non-Technical and Memorials

... in Aintab, Turkey, where he was born on January 3, 1888. He came from a family of Protestant missionaries. The Riggs family were very early colonists...

Memorial: John Paul Brand (1918-1986)

Ronald K. DeFord

AAPG Non-Technical and Memorials

... arrived in New York in 1882. Brand's father, John Julius Frederick Brand, was born in Haskins, Ohio. Brand was born in Roseville, Muskingum County, east...

Seismic Modelling in 3D for Migration Testing

Search and Discovery.com

..., is described as an alternative to Kirchhoff modelling. Rayleigh-Sommerfeld modelling, when applied using a forward Born approximation, is shown...

Memorial: Wilbur Ladde Moody (1888-1920)

AAPG Bulletin Staff

AAPG Non-Technical and Memorials

...Memorial: Wilbur Ladde Moody (1888-1920) AAPG Bulletin Staff NECROLOGY WILBUR LADDE MOODY Born February 1, 1888 at Fair Haven Heights, Conn. Died...

Memorial: Charles Stirling Huntley (1895-1926)

J. Earle Brown

AAPG Non-Technical and Memorials

... a lovable character, a splendid comrade, and an exceptionally able mind. Stirling Huntley was born at Emsworth, Pennsylvania, November 24, 1895, the son...

Memorial: Mowry Bates (1875-1926)

Bernard H. Lasky

AAPG Non-Technical and Memorials

... in this regard. Mowry Bates was born in Cleveland, Ohio, September 19, 1875. He was educated in the public schools of that city and of Hoboken, New Jersey. He...

Memorial: James Furman Kemp (1859-1926)

R. S. Knappen

AAPG Non-Technical and Memorials

... his death. Dr. Kemp was born in 1859, graduated at Amherst in 1881, and earned his mining engineering degree at the School of Mines, Columbia...

Memorial: Edwin Theodore Dumble (1852-1927)

John R. Suman

AAPG Non-Technical and Memorials

... service of the Southern Pacific Company on May I, 1925, died on the night of January 25, 1927, Nice, France. Dr. Dumble was born in Madison, Indiana, March...

Memorial: Ewart Gladstone Sinclair (1884-1927)

Clarence B. Osborne

AAPG Non-Technical and Memorials

.... G. Sinclair was born in r884 on a ranch in North Dakota, his parents being Mr. and Mrs. J. B. Sinclair. To his boyhood training on the frontier...

Memorial: John Walter McKim (1877-1927)

Charles T. Lupton

AAPG Non-Technical and Memorials

...Memorial: John Walter McKim (1877-1927) Charles T. Lupton JETsittimnl JOHN W A L T E R M c K I M John Walter M c K i m was born in Cleveland, Ohio...

Memorial: Charles Edwin Whiteside (1897-1927)

Bruce Seymour

AAPG Non-Technical and Memorials

... s Angeles basin for the M a r l a n d Oil C o m p a n y of California. M r . Whiteside was born in Prescott, Arizona, on April 2, 1897. H e...