Fracture mechanisms and instability of openings in compression

International Journal of Rock Mechanics and Mining Sciences

Volumn 37, Issue 1-2, 2000, Pages 263-284

  Germanovich, L N ^a   Dyskin, A V ^b  

^a Georgia Institute of Technology   (United States)

^b UNIVERSITY OF WESTERN AUSTRALIA   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

BOUNDARY CONDITIONS; BRITTLENESS; BUCKLING; CRACK PROPAGATION; FRACTURE MECHANICS; MICROCRACKS; STRESS ANALYSIS; STRESS CONCENTRATION; FRACTURE;

CRACK-BOUNDARY INTERACTIONS; MICRO-FRACTURES; OPEN HOLES; BRITTLE ROCKS; CIRCULAR OPENING; FRACTURE INSTABILITY; FRACTURE MECHANISMS; HOLE-INSTABILITY; INSITU STRESS; MAJOR FACTORS; MICROFRACTURES; STRESS CONDITION;

ROCK MECHANICS; ROCKS;

COMPRESSION; CRACK PROPAGATION; DRILLING; FAILURE MECHANISM; IN SITU STRESS; INSTABILITY; MICROCRACK;

EID: 0033870567     PISSN: 01489062     EISSN: None     Source Type: Journal    
DOI: 10.1016/S1365-1609(99)00105-7     Document Type: Article

References (113)

1. Reservoir depletion and its effect on wellbore stability evaluation
2. The failure of brittle solids containing small cracks under compressive stress states
3. Subcritical crack growth in geological materials
4. Stress perturbations associated with active faults penetrated by boreholes: Possible evidence for near-complete stress drop and a new technique for stress magnitude measurement
5. Size effect in compression fracture: Splitting crack band propagation
6. Fracture energy release and size effect in borehole breakout
7. Continuum theory for strain softening
8. The use of borehole breakouts in the study of crustal stress
9. Brittle solid under compression. Parts I and II
10. A note of brittle crack growth in compression
11. Dilatancy in the fracture of crystalline rocks
12. Compressive and tensile failure of boreholes arbitrarily-inclined to principal stress axes: Application to the KTB boreholes, Germany
13. Estimation of the complete stress tensor to 8 km depth in the KTB scientific drill holes: Implications for crustal strength
14. Wing cracks and brittle compressive fracture
15. Rockmass strength determination from breakouts in tunnels and boreholes
16. A new hypothesis to explain stability of borehole breakouts
17. An approximate statical solution of the elastoplastic interface for the problem of Galin with a cohesive-frictional material
18. Comment on 'well bore breakouts and in situ stress'
19. Modelling borehole breakout by mixed mode crack growth, interaction and coalescence
20. Crack growth under spatially random stress fields
21. Model of rock burst caused by cracks growing near free surface
22. Equilibrium bifurcations in dipole asymptotic model of periodic crack arrays
23. Model of dilatancy of brittle materials with cracks under compression
24. Asymptotic solution for long cracks emanated from a pore in compression
25. A 3-D model of wing crack growth and interaction
26. Study of 3-D mechanisms of crack growth and interaction in uniaxial compression
27. Experiments on 3-D crack growth in uniaxial compression
28. A 2-D model of skin rock burst and its application to rock burst monitoring
29. Wellbore stability using a modified Lade criterion
30. Deformation and fracture around cylindrical openings in rock. Part I
31. Deformation and fracture around cylindrical openings in rock. Part II
32. The phenomenon of rock splitting parallel to the direction of maximum compression in the neighborhood of a surface
33. Borehole scale effects and related instabilities
34. Plane elastic-plastic problem: Plastic regions around circular holes in plates and beams
35. Formations of cracks on compressing an unbounded brittle body with a circular opening
36. Thermal spalling of rock
37. Mechanics of 3-D crack growth under compressive loads
38. Borehole stability in laminated rock
39. Mechanism of dilatancy and columnar failure of brittle rocks under uniaxial compression
40. A model of brittle rock deformations under compression
41. A model for borehole breakouts in brittle rocks
42. Simulation of crack growth and interaction in compression
43. Study of three-dimensional crack initiation and propagation in transparent brittle material subject to compression. Part II
44. Three-dimensional crack initiation and propagation in transparent brittle material subjected to compression
45. Mechanisms of brittle fracture of rock with multiple pre-existing cracks in compression
46. A model of the fracture of a slightly porous material under compression or tension
47. Some modern problems of physical mechanics of fracture
48. Borehole breakouts - A new tool for estimating in situ stress?
49. Laboratory study of borehole breakouts in Cordova Cream: A case of shear failure mechanism
50. Borehole breakouts in Berea sandstone: Two porocity-dependent distinct shapes and mechanisms of formation
51. Brittle fracture propagation in rock under compression
52. Compression-induced microcrack growth in brittle solids: Axial splitting and shear failure
53. A unified analysis of various problems relating to circular holes with edge cracks
54. Micromechanics of deformation in rock
55. A model for non-linear rock deformation under compression due to sub-critical crack growth
56. Laboratory study of borehole breakouts in Lac du Bonnet granite: A case of extensile failure mechanism
57. Effect of borehole deviation on breakout orientations
58. Observations, recherches et resultats recents sur les mecanismes de ruptures autour de galeries isolees
59. Modeling borehole instability associated with natural crack
60. The thickness of shear bands in granular materials
61. Extensile cracking in porous rock under differential compressive stress
62. Modelling of damaged zones around openings using radius-dependent Young's modulus
63. Compression-induced nonplanar crack extension with application to splitting, exfoliation, and rockburst
64. Bedding-related instability in high-angle wells
65. Influence of anisotropies in borehole
66. Rockburst mechanisms in tunnels and shafts
67. The coupling effect of surface instabilities and surface parallel Griffith cracks in rock
68. Numerical treatment of progressive localization in relation to borehole stability
69. Numerical analysis of borehole stability problem
70. Compressive and tensile failure of inclined well bores and direct determination of in situ stress and rock strength
71. Borehole breakouts and in-situ rock stress - A review
72. Laboratory and numerical discontinuum modeling of wellbore stability
73. Considerations on failure initiation in inclined boreholes
74. The failure of brittle porous solids under compressive stress states
75. Failure of three sedimentary rocks in triaxial and hollow cylinder compression tests
76. Mechanisms of borehole instability in heavily fractured rock media
77. The growth of wing cracks and the brittle compressive failure of ice
78. Stress orientation profile to 3.5 km depth near the San Andreas fault at Cajon Pass, California
79. Stress-induced microcracking in rock and its influence on wellbore stability analysis
80. Simulation of borehole breakouts using fracture mechanics model
81. Modification of the G-criterion for crack propagation subjected to compression
82. Numerical analysis of mixed mode I and mixed mode II fracture propagation
83. Microseismic monitoring in highly stressed granite: Relation between shaft-wall cracking and in situ stress
84. Experimental analysis of the elasto-plastic zone surrounding a borehole in a specimen of rock-like material under multiaxial pressure
85. The effect of anisotropic stress on the stability of perforation cavities
86. Asymptotic analysis of crack interaction with free boundary
87. Size dependency of hollow-cylinder stability
88. Surface instabilities in elastic anisotropic media with surface-parallel Griffith cracks
89. Methodology and application of the wellbore breakout analysis in estimating the maximum horizontal stress magnitude in the KTB pilot hole
90. Relationships between pore pressure, stresses, and present-day geodynamics in the Scotland Shelf, offshore Eastern Canada
91. Stress regimes in the Gulf Coast, Offshore Louisiana: Data from well-bore breakout analysis
92. Crack propagation in a composite material
93. Integrated borehole stability analysis - Against tradition
94. Borehole breakout and stress measurements
95. Analysis of borehole breakouts
96. A semi-infinite crack parallel to the boundary of the elastic half-plane
97. In-situ stress and rock strength in the GBRN/DOE Pathfinder well, South Eugene Island, Gulf of Mexico
98. Well bore breakouts and in situ stress
99. A numerical model for borehole breakouts