Tectonic Basis for Finding Oil and Gas Fields in Central Part of Tersko-Caspian Downwarp

N. V. Koronovskiy, L. V. Panina, M. A. Stor

Petroleum Geology: A Digest of Russian Literature

... limits their continuation upward and downward in the section. Formation of concentric folds requires the presence of plastic rocks both above...

Abstract: Image Enhacement After Migration; #90174 (2014)

John C. Bancroft, Thais Guirigay, and Helen Isaac

Search and Discovery.com

... that result from poor migration algorithms. An example is a downward continuation algorithm that cut and pastes the downward steps and then smoothes the steps...

Angle Gathers for Gaussian Beam Depth Migration, #41593 (2015).

Samuel Gray

Search and Discovery.com

... (WEM) has come about in spite of its inability to produce offset-indexed CIG’s (surface offset information is lost during the downward continuation...

Three-Dimensional Depth Imaging of Seismic Data to Help Delineate Petroleum Reservoirs in the Williston Basin

Alvin K. Benson

Williston Basin Symposium

... be used to determine the wave field at any depth z from surface data through a process known as downward continuation...

Iterative Modeling and Imaging of Seismic Data in Depth to Help Delineate Petroleum Reservoirs in the Utah Overthrust Belt

Alvin K. Benson

Utah Geological Association

... be used to determine the wave field at any depth z from surface data through a process known as downward continuation. This is a mathematical...

Abstract: Joint OBN and 3-D DAS-VSP Data Acquisition and Processing in East China Sea; #91204 (2023)

Gang Yu1, Haibo Liu, Zhonglin Cao, Junjian Li, Jianguo Li, Yuanzhong Chen, Guangming He, Junjun Wu, Ximing Wang

Search and Discovery.com

... integral equation of one-way wave field continuation from the scalar wave equation and gave the explicit expression of angular frequency domain...

Shoreline Trajectories and Sequences: Description of Variable Depositional-Dip Scenarios: ERRATUM

William Helland-Hansen, Ole J. Martinsen

Journal of Sedimentary Research (SEPM)

...°" transgression instead of "0°-180°" Page 671, first column, 7th line should read "-90°" downward instead of "90°" downward. End_of_Record - Last_Page...

3D Aeromagnetic Mapping of the Williston Basin Basement; #41588 (2015)

Jiakang Li, Igor Morozov

Search and Discovery.com

... anomalies. 3) Downward continuation reducing the survey surface to 1 km above the basement. This procedure removes the effects of elevation...

The New Petroleum Geology

Dr. Sylvain J. Pirson

Bulletin of South Texas Geological Society

... second vertical derivative of the surface data, a function which is used in the downward continuation of the data as well as in tectonic studies...

Migration of Fluids in Sedimentary Basins: Reply to R. E. Chapman

S. Neglia

AAPG Bulletin

... during its migration toward the surface. DOWNWARD MOVEMENT In his conclusions, Chapman states, "The downward migration makes the caprock...

Section Seven: Use of Wireline Logs and Dipmeters on Diapiric Structures

New Orleans Geological Society

... is "blind" for a distance of 188- below the top of the salt. The 16- and 64- normals indicate downward increasing resistivity trends. Downward increase...

Tectonic Control of the Configuration of the Bahama Banks (1)

M. Ball

GCAGS Transactions

... show that refractors with similar transmission velocities are displaced downward in Florida Straits and Northwest Providence Channel. Limited...

Exploration for Oil and Gas Pools in the Offshore Zone of the Apsheron Peninsula and Baku Archipelago

B. K. Baba-Zade, A. L. Putkaradze

Petroleum Geology: A Digest of Russian Literature

... investigations. This work has indicated a high favorability for a broad offshore area, which is a natural continuation of the oil-gas regions...

Direction of Exploration for Oil-Gas Structures in the Buzuluk Depression and Adjacent Regions

V. I. Kalinin, V. D. Averkin, V. A. Klubov, N. A. Usanov

Petroleum Geology: A Digest of Russian Literature

... of the distribution and thickness of the Triassic and Jurassic sediments. In these sediments it consists of a broad gentle continuation of the Caspian...

Principal Features of the Geologic Structure of the Timan-Pechora Province and the Outlook for the Search for Rich Pools of Gas and Oil

A. Ya. Krems

Petroleum Geology: A Digest of Russian Literature

... of transgression of the Devonian Sea out of the Ural geosyncline, downward movements within the limits of the Pechora trough gave way to uplift. This trough...

A Summary of Current Techniques for Processing Green River Oil Shale

Harold W. Sohns

Utah Geological Association

..., and an appropriate oil-recovery system. The retort is an upright, cylindrical or rectangular vessel through which crushed shale flows downward by gravity...

Developments in West-Central Texas in 1955

Fred R. Haeberle

AAPG Bulletin

...------------------------------ this is Cambrian production, it indicates a possible continuation of the Cambrian trend from Nolan County to Stonewall County. TAYLOR...

ABSTRACT: Seismically Derived Aquifer Characteristics, Across Faulted Coastal Plain Sediments, Savannah River Site, South Carolina; #90013 (2003)

ROLF K. AADLAND, DOUGLAS E. WYATT, MICHAEL G. WADDELL, DAVID R. WATKINS, PAUL A. THAYER

Search and Discovery.com

... and L coalesce, the offset on the continuation of Fault L is insufficient to breach the confining zone and downward flow of groundwater into the lower C...

Hydrocarbon Deposits of Western Part of Russian Shelf of Arctic: Geology and Systematic Variations

E. V. Shipilov, R. R. Murzin

Petroleum Geology: A Digest of Russian Literature

... the first discoveries and the fact that these basins lie on the offshore continuation of the very large Timan-Pechora and West Siberian oil-gas...

West Cosden (Hockley) Field Bee County, Texas

H. W. Volk, Jr.

Bulletin of South Texas Geological Society

... in the graben formed by the downward convergence of these two faults. It will be noted that the southwest end of the producing area is the structurally...

The Cap au Gres Fault

Virgil B. Cole

Kansas Geological Society

... north of the zone beds dip gently downward into the fault. Rubey judged that the presence of a long, continuous fault could not be justified by surface...

Main Fault of the Alyat Ridge and Its Influence on the Distribution of Oil and Gas Pools

K. B. Melik-Barkhudarov, G. G. Tumikyan

Petroleum Geology: A Digest of Russian Literature

... and southeast continuation: Azerb. Neft. Khoz., no. 1. 13. Astvatsaturov, S. A., 1960, Geologiya Nefti i Gaza, no. 12. A large fault plays...

Origin of the Folds of Osage County, Oklahoma: DISCUSSION

Howard W. Kitson

AAPG Bulletin

... and that elongation along any one merely indicates a predominance of an extensional over a coincident compressive stress, or vice versa. (3) In continuation...

Recent Subsidence in Hamilton County, Kansas: GEOLOGICAL NOTES

N. W. Bass

AAPG Bulletin

... downward through the rock dissolves and removes the easily soluble calcium carbonate, thus forming an underground cavern. Eventually enlargement...

Rechitsa Oil Field in Belorussia

P. V. Antsupov, N. P. Budnikov, K. I. Gnedin

Petroleum Geology: A Digest of Russian Literature

... the Pripyat depression is a direct continuation to the northwest of the Dnieper-Donets depression, separated from the latter by the Bragin projection...