Solve 3,4 Q2\ Answer T for true statements or F for false ones and correct false ones:1. Strength of rock decreases with increasing confining pressure.2. Tensile Failure Cylindrical occurs when: ot <-To-3. Total stress = effective stress of rock grains pore Pressure.4. When the mud weight is high, then at the wellbore wall o, is large and ot is small.5. (0.)e=0 = On – 30H – Pw6. Granular rocks such as sandstones, become stronger the more they are confined.7. With low o of clay rock strength increases much with increased rock confinement.8. At large distances from the wellbore, o, conv9. It is safer to drill parallel to the maximum horizontal stress when drilling a horizontal wellin a relaxed basin.i converge to oH10. It is safer to drill parallel to the minimum horizontal stress when drilling a horizontalwell in a tectonically stressed basin.

3.Total stress at a point is defined as the sum of the stress exerted by the total weight (solids…

Answered: Total stress effective stress of rock…

Engineering

Civil Engineering

Total stress effective stress of rock grains - pore Pressure. %3D

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Connections

In steel structures, connections are the members that join two or more steel members. The connections are the most important members of any steel structure, and hence, they are designed more carefully. The majority of the construction cost of steel structures is incurred due to the connections. The design of connections is done as per the recommendations and specifications of the American Institute of Steel Construction (AISC).

Question

Solve 3,4

Q2\ Answer T for true statements or F for false ones and correct false ones:
1. Strength of rock decreases with increasing confining pressure.
2. Tensile Failure Cylindrical occurs when: ot <-To-
3. Total stress = effective stress of rock grains pore Pressure.
4. When the mud weight is high, then at the wellbore wall o, is large and ot is small.
5. (0.)e=0 = On – 30H – Pw
6. Granular rocks such as sandstones, become stronger the more they are confined.
7. With low o of clay rock strength increases much with increased rock confinement.
8. At large distances from the wellbore, o, conv
9. It is safer to drill parallel to the maximum horizontal stress when drilling a horizontal well
in a relaxed basin.
i converge to oH
10. It is safer to drill parallel to the minimum horizontal stress when drilling a horizontal
well in a tectonically stressed basin.

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