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Wednesday, July 29, 2020 | History

1 edition of Compaction and fluid migration in Cretaceous shales of western Canada found in the catalog.

Compaction and fluid migration in Cretaceous shales of western Canada

Compaction and fluid migration in Cretaceous shales of western Canada

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  • 8 Currently reading

Published by Dept. of Energy, Mines and Resources in Ottawa .
Written in English

    Subjects:
  • Petroleum

  • Edition Notes

    11

    The Physical Object
    Pagination81 p.
    Number of Pages81
    ID Numbers
    Open LibraryOL22008990M

    Thomas F. Corbet, Craig M. Bethke, Disequilibrium fluid pressures and groundwater flow in the western Canada sedimentary basin, Journal of Geophysical Research: Solid Earth, /91JB, 97, B5, (), (). In the north, shale diapirism may create fracture systems on top of anticlines, causing migration of overpressured fluid to a shallower depth. In the center of the Mackenzie Delta, where listric faulting prevails, compaction is the major controlling factor and the depth of overpressure depends on lithology and rate of deposition.

    Hydrogeological Setting of Black Shales Within Sedimentary Basins. Sedimentary basins occur around the globe, including many in the United States ().The thickness of sediment in U.S. basins varies depending on their history of formation, uplift, and subsequent erosion; in some cases, sediment thicknesses in excess of 10 km accumulated during periods of deposition (e.g., in . The seismic evidence suggests a two‐stage compaction process, with rapid initial dewatering through intergranular permeability as sediment enters the prism followed by a buildup of pore pressure as the permeability decreases and fluid migration is restricted to fault zones.

    reported the development of a regional fluid drain from west to east along permeable layers of the Viking and Mannville Formations below the thick Cretaceous shales of the Colorado Group of rocks (Fig. 2). This allowed some advective loss of brines even during maximum burial (60 Ma), but compaction‐driven flow occurring at this time prevented. Abstract Diffusion can drive significant solute transport over millions of years, but ancient brines and large salinity gradients are still observed in deep sedimentary basins. Fluid flow within ab.


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Compaction and fluid migration in Cretaceous shales of western Canada Download PDF EPUB FB2

Get this from a library. Compaction and fluid migration in Cretaceous shales of western Canada. [Kinji Magara]. Compaction and fluid migration in Cretaceous shales of western Canada [by] K. Magara Dept. of Energy, Mines and Resources [Ottawa] Wikipedia Citation Please see Wikipedia's template documentation for further citation fields that may be required.

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Read the latest chapters of Developments in Petroleum Science atElsevier’s leading platform of peer-reviewed scholarly literature.

Compaction and fluid migration in Cretaceous shales of western Canada [by] K. Magara; BIGFLOW [microform]: a numerical code for simulating flow in variably saturated, heterogeneous geologic Kinji hyōron; Thermal properties and temperature-related behavior of rock/fluid systems / W.H.

Somerton. Purchase Compaction and Fluid Migration, Volume 9 - 1st Edition. Print Book & E-Book. ISBNCompaction and fluid migration in Cretaceous shales of western Canada. Geological Survey of Canada Paper ix + 81 pp., 46 figs.

Ottawa. Price $ - Volume Issue 4 - A. I have endeavoured, too, to explain the interrelationships of many factors associated with shale compaction, such as shale porosity, pressure, fluid loss, water salinity, sealing, etc. In other words, the different ideas presented in this book have a common base or consistency, so that 6 none of them should be in serious contradiction.

Pressures are calculated in the Cretaceous shales only. In Fig. A,the shales are underlain by porous dolomite. The calculated fluid pressure drops toward the underlying dolomite. The inferred directions of fluid migration are shown by arrows.

In Fig. B,ori the other hand, the Cretaceous shales are underlain by low-permeability Paleozoic. Fluid-loss plots before and after sealing, well A in northern Canada, corrected for nonclay content (l), LK = Late Cretaceous time; ET = Early Tertiary time. 4 0 w E f - 3 FLUID LOSS ( OF SHALE) M I - 1 FLUID LOSS MT - 2 FLUID LOSS PLIO-PLEIST FLUID LOSS l 1, 0 ~ ' 2 7 i2 3.

Compaction and fluid migration in Cretaceous shales of Western Canada. Geological Survey of Canada, Paper81p. Organic Metamorphism and the Generation of Petroleum.

Geophysical log documentation of fluid migration from compacting shales; a mineralization model from the Devonian strata of the Pine Point area, Canada sonic logs in the Mackenzie Basin indicates that a substantial volume of water could have been generated by late-stage shale compaction.

This derivation of metal-rich formation water is. Grain densities measured on 74 samples from three wells and the corresponding bulk densities from the density log allowed the porosities of the samples to be determined. These values were used to establish a new relationship between transit time and porosity for Cretaceous and Tertiary shales on the Norwegian Shelf.

Normally pressured and compacted Cretaceous and Tertiary shale. Estimation of paleopore pressure For this discussion, let us use an example in the western Canada Foothills. Fig. which is the same as Fig.a transit-time-depth plot of the is Pacific Amoco Ricinus W 5 well, which shows undercompaction below about ft.

Calculations of pore pressure from shale compaction data; Chapter 4. Causes of abnormal surface pressure; Chapter 5. Application of calculated pressures and porosities; Chapter 6.

Concept and application of fluid-loss calculations; Chapter 7. Evaluation of pressure and capillary seals; Chapter 8. Concept of three-dimensional fluid migration.

Compaction and fluid migration in Cretaceous shales of Western Canada, Geol. Sum. Canada Spec. Paper, ,81 p. Structured water and its significance in primary oil migration, Bull.

Can. Request PDF | Apparent formation-factor and porosity variation with pressure for Cretaceous shale of the Western Canada Sedimentary Basin, southern Alberta | Ten shale. Rock volume and pore volume data for plains region of western Canada sedimentary basin between latitudes 49° and 60° N.

Bull. Assoc. Pet. Geol., 52(12), – Google Scholar HITCHON, B., a. Cretaceous shales in the Laramide basins of Wyoming (LBW) below ∼ ft ( m) typically are anomalously pressured. western Canada. Article. Feb ; Compaction and fluid.

Abstract The Anticosti Basin is a large Paleozoic basin in eastern Canada where potential source and reservoir rocks have been identified but no economic hydrocarbon reservoirs have. The PFS helps to explain near-surface faulting observed in Late Cretaceous sediments in the Western Interior Seaway and could be used as a model to help explain Late Cretaceous geology, subsurface groundwater flow, and shallow natural gas reservoir continuity.

Compaction and Fluid Migration: Practical Petroleum Geology [Magara, Kinji] on *FREE* shipping on qualifying offers. Compaction and Fluid Migration: Practical Petroleum GeologyAuthor: Kinji Magara.Recent fluid pressure interpretation and shale petrology studies indicate that conversion of bound water to mobile water, dissolution of load‐bearing grains, and increased preferred orientation change the compaction properties of the shale.

This results in substantial changes in effective stress and fluid pressure.