Provides comprehensive coverage of all aspects of clay seals, from the formation of deposits and an analysis of their composition and properties, to the physical relationships between these clay seals and the environments in which they are found. Looks at seven different types of clay seals from a number of sites, highlighting important properties and methods of analysis used to distinguish and classify clay seals.

The final part of the book deals with modelling the state and properties of clay seals occurring at various depths, showing variations in porosity and strength at different lithogenesis stages. Additionally, the authors consider the possibility of predicting screening properties of clay seals using computer programs.

PART I- Formation of Clay Seal Properties: Theoretical Fundamentals 1. Composition of Clay Sediments and Their Structure Formation in Sedimentogenesis  2. Lithogenesis of Clay Sediments  3. Formation of the Properties of Clay Seals in Lithogenesis 

PART II- Characteristsic of The Facies Types of Clay Seals 4. Deposititional Environments of Clay Seal Formation  5. Facies Analysis of Clay Seals in Oil- and Gas-bearing Basins  6. The Composition of the Facies Types of Clay Seals and Its Change With Depth  7. Structure and Properties of the Facies Types of Clay Seals 

PART III- Modeling of the Change in the Clay Seal Properties in Lithogenesis 8. Physiochemical Models of Clay Rock Microstructures  9. Development of a Mathematical Model for Estimating the Strength of Clay Seals  10. Comparison of Theoretical Calculation Results and Experimental Data on the Mechanical Strength of Clay Seals