A microcrack model and its significance to hydraulic fracturing and fracture toughness testing

21st U.S. Symposium on Rock Mechanics, USRMS 1980

Volumn , Issue , 1980, Pages 581-590

  Schmidt, Richard A ^a  

^a SANDIA NATIONAL LABORATORIES   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CRACK PROPAGATION; CRACK TIPS; FRACTURE TESTING; HYDRAULIC FRACTURING; ROCK MECHANICS; ROCKS;

CONFINING STRESS; CRACK TIP PLASTIC ZONE; CRACK TIP STRESS; FRACTURE BEHAVIOR; FRACTURE CONTAINMENT; FRACTURE TOUGHNESS TESTING; MAXIMUM NORMAL STRESS CRITERIONS; VON MISES YIELD CONDITION;

FRACTURE TOUGHNESS;

EID: 85054326109     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (21)

1. ASTM, 1972, "Tentative Method of Test for Plane Strain Fracture Toughness of Metallic Materials (ASTM Designation: E399-72T), " 1972 Annual Book of Standards, Part 31, Am. Soc. fom Testing and Mat'is, Philadelphia, PA.
2. Barker, L. M., 1977, "A Simplified Method for Measuring Plane Strain Fracture Toughness, " Ensineering Fracture Mechanics, 9, p. 361.
3. Broek, D., 1974, Elementary Engineerin S Fracture Mechanics, Noordhoff International Publishing, Leyden, Netherlands, p. 97.
4. Clark, J. A., 1980, private communication.
5. Erdogan, F., 1979, private communication.
6. Hanson, M. E., Anderson, G. D., Shaffer, R. J., Emerson, D. 0., Heard, H. C., and Haimson, B. C., 1978, "Theoretical and Experimental Research on Hydraulic Fracturing, " Proceedings, Fourth Annual DOE Symposiumo n EnhancedO il and Gas Recovery and Improved Drilling Methods, Tulsa, OK, p. 29.
7. Ingraffea, A. R., and Schmidt, R. A., 1978, "Experimental Verification of a Fracture Mechanics Model for Tensile Strength Prediction of Indiana Limestone, " Proceedings of 19th U.S. Symposium on Rock Mechanics, Stateline, NV, p. 247.
8. Irwin, G. R., 1957, "Analysis of Stresses and Strains Near the End of a Crack Traversing a Plate, " Journal of Applied Mechanics, 24, p. 361.
9. Irwin, G. R., 1960, "Plastic Zone Near a Crack and Fracture Toughness, " Proceedinss 7th Sagamore Conference, p. 4-63.
10. Jones, M. H., and Brown, Jr. W. F., 1970, "The Influence of Crack Length and Thickness in Plane- Strain Fracture Toughness Tests, " Review of Developments in Plane Strain Fracture Toughness Testins, ASTM STP 463, Am. Soc. for Testing and Mat'is, p. 63.
11. Kobayashi, T., and Fourney, W. L., 1978, "Experimental Characterization of the Development of the Micro-Crack Process Zone at a Crack Tip in Rock Under Load, " Proceedings of 19th U.S. Symposiumo n Rock Mechanics, Stateline, NV, p. 243.
12. McClintock, F. A., and Irwin, G. R., 1965, "Plasticity Aspects of Fracture Mechanics, " Fracture Toughness Testins and Its Applications, ASTM STP 381, Am. Soc. for Testing and Matis, p. 84.
13. Mindess, S., and Nadeau, J. S., 1976, Effect of Notch Width on Kic for Mortar and Concrete, " Cement and Concrete Research, 6, p. 529.
14. Nelson, F. G., Schilling, P. E., and Kaufman, S. G., 1972, "The Effect of Specimen Size on the Results of Plane-Strain Fracture-Toughness Tests, " Ensineering Fracture Mechanics, 4, p. 33.
15. Paris, P. C., and Sih, G. C., 1965, "Stress Analysis of Cracks, " Fracture Toughness Testins and Its Applications, ASTM STP 381, Am. Soc. for Testing and Maticfs, p. 30.
16. Simonson, E. R., Abou-Sayed, A. S., and Clifton, R. J., 1978, "Containment of Massive Hydraulic Fractures, " Society of Petroleum Engineers Journal, 18, p. 27.
17. Schmidt, R. A., 1976, "Fracture Toughness Testing of Limestone, " Experimental Mechanics, 16, p. 161.
18. Schmidt, R. A., and Huddle, C. W., 1977, "Effect of Confining Pressure on Fracture Toughness of Indiana Limestone, " International Journal of Rock Mechanics and Minins Science, 14, p. 289.
19. Schmidt, R. A., and Lutz, T. J., 1979, "Kic and JIc of Westerly Granite - Effects of Thickness and In-Plane Dimensions, " Fracture Mechanics Applied to Brittle Materials, ASTM STP 678, Am. Soc. for Testing and Matics, p. 166.
20. Warpinski, N. R., Schmidt, R. A., Cooper, P. W., Walling, H. C., and Northrop, D. A., 1979, "High-Energy Gas Frac: Multiple Fracturing in a Wellbore, " Proceedings of 20th U.S. Symposium on Rock Mechanics, Austin, TX, p. 143.
21. Warpinski, N. R., Schmidt, R. A., Northrop, D. A., 1980, "In Situ Stresses: The Predominant Influence on Hydraulic Fracture Containment, " Proceedings of 1980 SPE/DOES ymposiumo n Unconventional Gas Recovery, SPE 8932, Pittsburgh, PA.