12. A triaxial test is 3000 meters depth with an o axial stress of 204.7 300 to
ID: 120781 • Letter: 1
Question
12. A triaxial test is 3000 meters depth with an o axial stress of 204.7 300 to the principal plane at failure? completed on a sandstone sample and a confining stress corresponding to MPa. What are the normal and shear stresses on a plane inclined at verburden density of 2200 kg/m. The sample failed at an a. On 201.25 MPa. Tn = 90.75 MPa b On- 169.75 MPa Tn = 60.62 MPa c On = 95.25 MPa, Tn = 130.75 MPa d. Insufficient data for calculation 13. What impact does steel casing have in the horizontal well finite element solutio a. displacements of the wellbore wall increased b. overburden pressure loads decreased c. shear stresses were reduced in rock adjacent to the well d. none of the above hich of the following is a major difference between a triaxial test and unconfined compression (UCT) test? 14. W a. The effect of pore pressure can be determined in a UCT b. the effect of overburden stress can be determined in a UCT c. the angle of internal friction can be determined from triaxial tests d. none of the above 15. Which of the following statements is correct? a. the cohesion in a dry sand is greater than the cohesion of a rock b. the cohesion in a dry sand is greater than the cohesion of a clay soil c. the cohesion in a dry sand is a function of the angle of internal friction d. none of the above 16. What would you expect from a horizontal well drilled in a reservoir with a relatively low Young's modulus? a. low hole wall displacements b. high hole wall displacements c. low shear stresses adjacenrto the hole d. none of the above 1 7. What do bulk modulus and pressure have in common? a. both are material properties b. both describe the force on a plane within loaded rocks and soils c. both have units of force/length2 d. none of the aboveExplanation / Answer
13. b. Overburden pressure loads decreased.
14. a. The effect of pore pressure can be measured in a UCT.
15. c. The cohesion of dry sand is a function of the angle of the internal friction
16. b. High hole wall displacement.
17. c. both have units of force/length2
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.