Question 6.4 a) A core sample with a diameter of 1.2 in and a length of 1.8 in is saturated with brine solution of 0.26 Q.m resistivity. The resistance of the core when fully saturated with brine is measured to be 1549.3 Q. Calculate the formation factor F for this core. b) Assuming a = 1 and ø exponent m for this core? 17.6%, what is the value of the cementation %3D

Question 6.4 a) A core sample with a diameter of 1.2 in and a length of 1.8 in is saturated with brine solution of 0.26 Q.m resistivity. The resistance of the core when fully saturated with brine is measured to be 1549.3 Q. Calculate the formation factor F for this core. b) Assuming a = 1 and ø exponent m for this core? 17.6%, what is the value of the cementation %3D

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter6: Hydraulic Conductivity

Section: Chapter Questions

Problem 6.12P

See similar textbooks

Similar questions

A triaxial sample was subjected to an ambient pressure of 200 kN/m2 and the pore pressure recorded was 50 kN/m2. In this state, the sample was found to be partially saturated. Then the cell pressure was raised to 300 kN/m². The value of pore water pressure will be kPa. ---- ▬- (Take B= 0.8) %3D
A core plug has a radius of 0.0125 m and length of 0.05 m. it is completely with brine having a density of 1200 kg/m3. the day core plug weighted 0.0051, 0.0104 when it was saturated with brine. calculate the effective porosity of the core plug
Problem 2: The dimensions of a cylindrical core sample are 10.16 cm long and 3.81 cm in diameter after it was thoroughly cleaned and dried. The direct core sample weighted 365.0 g. The core sample was then completely (100%) saturated with brine that has specific gravity of 1.04. The weight of the saturated core sample is 390.0 g. Calculate the porosity of the core sample?
4. Given the following data: the porosity obtained from this method is the effective porosity,. Weight of the clean dried core sample in air: Wtdry = 20.0 gm Weight of the core sample saturated with water: Wtsat = 22.5 gm . Density of water: pw = 1.09m CC what is the pore volume of the sample?
The following data were obtained from the replicate analysis of a calcite sample: percent CaO = 55.95, 56.00, 56.04, 56.08, and 56.23. The last value appears anomalous. Should this result be retained or rejected? Qcrit = 0.64
Describe the void ratio changes from the initial state to the consolidated state and to the failure state and then explain the causes for the changes.
Question 4.5 A rock sample has a length of 20.32 cm and a diameter of 5 cm. The pressure profile inside the core sample is given below, where nitrogen of viscosity 0.0178 cP is flowing at a constant rate of 55 cm³/s. What is the permeability of the sample if the flow is in accordance with Darcy's law? 450 400 350 - 300 250 - P [psig] 200 150 100 - 50 1 3. 4 7 8 9. Distance from inlet [in] 6
A limestone core sample is saturated 100% with water. Calculate the absolute permeability of the core sample if the water is flowing at 4.15 cubic centimetres per second. The length of the core sample is 13.61 centimetres and its diameters if 7.13 centimetres. The pressure differential across the core sample is 25 atmospheric pressure and the water viscosity is 1.1 centipoises. Explain a method of how the permeability of this reservoir can be improved.
Ratio of the particle size of aquifer A and B will be
A given sludge with 98% moisture content is X times more bulky than with 95% moisture content. The value of X is
The Professor demonstrated the proper application of the procedure by analyzing a 50 mL sample of water from a local lake (Rivers Parkway) via titration with a standard solution of EDTA 0.0100 +0.0001 M standard. This sample consumed 5.00 mL to reach the Total Hardness (TH) end point; therefore, the TH of the lake was determined to be XX ± YY mg/L as CaCO,.
4. A series of tests are run on a HMAC Sample. The following data is given to you:% AC (Pb) = 10 %Gb = 1.040Gsb = 2.51Gmm = 2.696Mass of compacted HMAC sample = 840 grMass of compacted HMAC sample submerged in water = 512 grMass of compacted HMAC sample, SSD condition = 847 gra. Based on the above information what is the Gmb? b. Based on the above information what is the of VTM? c. Based on the above information what is the of VMA? d. Based on the above information what is the of VFA?