Rifting history of the northern Mariana Trough: SeaMARC II and seismic reflection surveys

1996 ◽  
Vol 101 (B5) ◽  
pp. 11427-11455 ◽  
Author(s):  
Nancy Baker ◽  
Patricia Fryer ◽  
Fernando Martinez ◽  
Toshitsugu Yamazaki
Keyword(s):  
Seismic Reflection ◽  
Seamarc Ii ◽  
History Of

scholarly journals Tectonic history of northern New Caledonia Basin from deep offshore seismic reflection: Relation to late Eocene obduction in New Caledonia, southwest Pacific

Tectonics ◽  
2008 ◽  
Vol 27 (6) ◽  
pp. n/a-n/a ◽  
Author(s):  
Julien Collot ◽  
Louis Geli ◽  
Yves Lafoy ◽  
Roland Vially ◽  
Dominique Cluzel ◽  
...  
Keyword(s):  
Seismic Reflection ◽  
New Caledonia ◽  
Late Eocene ◽  
Southwest Pacific ◽  
Tectonic History ◽  
History Of

scholarly journals Seismic sedimentary characteristics and filling structure of the Upper Triassic Yanchang Formation, Ordos Basin, China

2020 ◽  
Vol 8 (2) ◽  
pp. T259-T274
Author(s):  
Congjun Feng ◽  
Mengsi Sun ◽  
Chiyang Liu ◽  
Xili Deng ◽  
Yuze Xue ◽  
...  
Keyword(s):  
Seismic Reflection ◽  
Ordos Basin ◽  
Yanchang Formation ◽  
Sedimentary Characteristics ◽  
Study Results ◽  
History Of ◽  
The Ordos Basin ◽  
Initial Depression ◽  
Depositional Age ◽  
Seismic Sections

Following the analysis of cores, outcrops, well log, and seismic sections, we have studied the seismic reflection configuration and depositional history of the hydrocarbon-rich Yanchang Formation in the Ordos Basin. We divided the seismic reflection configurations into five types: subparallel reflection, parallel reflection, tangential progradational reflection, shingled progradational reflection, and chaotic reflection. Based on our study results, we concluded that the slopes exhibit differences in the different regions of the Ordos Basin during the sedimentary period of the Yanchang Formation: The slope with the largest gradient of approximately 10°–20° occurred in the southwestern basin, followed by the northwestern basin (with a slope of approximately 1.6°–3.3°), but the slope was relatively gentle in the northeastern basin (approximately 0.8°–1.2°). We also found that the paleocurrent direction of the basin mainly includes two directions: The paleocurrent direction of the southwest region is 186°–259°, which indicates the provenance came from the southwestern region, whereas the paleocurrent direction of the northeast region is 10°–79°, which indicates that the provenance came from the northeastern region. In addition, the Ordos Basin was under isostatic subsidence as a whole during this period, and its sedimentary infilling evolution underwent five stages: the initial depression, intense depression, progradational filling, uplifting and denudation, as well as shrinking and extinction stages, just corresponding with the Chang 10-Chang 9, the Chang 8-Chang 7, the Chang 6-Chang 4+5, the Chang 3-Chang 2, and the Chang 1 depositional age, respectively.

EARLY SEISMIC DISCOVERIES IN OKLAHOMA

Geophysics ◽  
1945 ◽  
Vol 10 (3) ◽  
pp. 345-367 ◽  
Author(s):  
B. B. Weatherby
Keyword(s):  
Seismic Reflection ◽  
Time Data ◽  
The North ◽  
History Of ◽  
In The Beginning

Systematic seismic reflection shooting was begun on the Seminole Plateau of Oklahoma in 1927. In the beginning the results were somewhat undependable and well checks were disappointing. The various difficulties were gradually ironed out so that with the discovery of South Earlsboro in 1929 and the North Extension of Carr City and West Seminole in 1930, new impetus was given to the use of the method. The history of these discoveries together with maps and records show the measure of success obtained at that time. Data on the Polo Field, discovered in 1931 and detailed in 1934, are compared with this early work.

CASE HISTORY OF WILD GOOSE GAS FIELD, BUTTE COUNTY, CALIFORNIA

Geophysics ◽  
1954 ◽  
Vol 19 (3) ◽  
pp. 509-516 ◽  
Author(s):  
Wallace L. Matjasic
Keyword(s):  
Cross Sections ◽  
Seismic Reflection ◽  
Upper Cretaceous ◽  
Gas Field ◽  
Contour Map ◽  
Seismic Reflection Data ◽  
Reflection Data ◽  
History Of ◽  
Further Development ◽  
Wild Goose

The discovery well of the Wild Goose gas field was drilled and completed in 1951 on a structure located by a reflection seismograph survey conducted in 1950. An additional seismograph survey was made subsequent to discovery to define the structure better for further development. The illustrations include two seismic cross sections, a contour map based on the original seismic reflection data, an aeromagnetic map, a structure contour map, and an electric log of the discovery well. The producing sands are in an interval between the Forbes shale of Upper Cretaceous age and the overlying Capay shale of Eocene age.

Seismic History of Minnesota and It’s Geological Significance: An Update

1989 ◽  
Vol 60 (2) ◽  
pp. 79-86 ◽  
Author(s):  
Val W. Chandler ◽  
G. B. Morey
Keyword(s):  
Seismic Reflection ◽  
Focal Plane ◽  
Large Earthquake ◽  
Aeromagnetic Data ◽  
Tectonic Zone ◽  
The North ◽  
History Of ◽  
Plane Solution ◽  
Stress Buildup

Abstract High-resolution aeromagnetic data have recently been acquired for most of Minnesota under the sponsorship of the Minnesota Future Resources Commission, which also provided funds for test drilling of selected anomalies. The new data show that northwest-trending dikes and fractures are much more common in the Archean terranes than previously believed, and several epicenters are near such faults. The northeast-trending Great Lakes tectonic zone (GLTZ) was thought to be the chief source of seismicity in the state, because several epicenters were aligned with it. However, more recent seismic reflection profiling has demonstrated that the GLTZ has a moderate dip to the north. This dip is not compatible with the previously favored focal plane solution for a relatively large earthquake, which apparently confirmed the seismogenic role of the GLTZ. The alternative focal plane solution for this earthquake, however, is compatible with some northwest-trending structures in the region. We propose that the apparent alignment of epicenters with the GLTZ is related to stress buildup at places where it is intersected by northwest-trending faults, with subsequent movement occurring upon release. A similar model may explain seismicity along the northeast-trending Colorado lineament to the southwest.

A case history of experimental time-lapse 3C 2D seismic reflection data for reservoir monitoring at Cold Lake, Alberta, Canada

2014 ◽  
Vol 2 (2) ◽  
pp. SE47-SE54
Author(s):  
J. Helen Isaac ◽  
Don C. Lawton
Keyword(s):  
Seismic Reflection ◽  
Time Lapse ◽  
Steam Injection ◽  
Converted Wave ◽  
Injection Wells ◽  
Seismic Reflection Data ◽  
Experimental Time ◽  
Reflection Data ◽  
History Of ◽  
Cold Lake

We processed, interpreted, and analyzed experimental time-lapse converted-wave 2D-seismic reflection data that were acquired across a bitumen field undergoing cyclical steam injection and production at Cold Lake, Alberta, Canada. The purpose was to assess whether multicomponent-seismic data could be used to detect lateral and/or temporal changes caused by steam injection into the reservoir. We interpreted horizons on PP and PS sections that bracket the reservoir, and calculated [Formula: see text] over this interval. Away from the steam injection wells, [Formula: see text] values average [Formula: see text] during steaming and production and are close to the theoretically predicted value of 2.21 for a cold reservoir. Near the wells, [Formula: see text] is lower during steam injection than during production, averaging [Formula: see text], and the lowest values are observed close to the injection wells. We attributed the changes in [Formula: see text] to changes in the reservoir caused by the injection of steam.

Sign in / Sign up

Export Citation Format

Share Document