QI. s) Q1: A 1 m diameter well penetrates vertically through a confined aquifer (30 m) thick. When the well is pumped at (2712 m³/day), the drawdown in a well 15 m away from pumped well is 1.8 m; while the drawdown in another well 50 m away from pumped well is 0.5 m. Take the maximum head is 40 m. 1- Determine the transmissivity. 2- What is the approximate head in the first well? 3- What is the approximate head in the second well? 4- What is the approximate head in the pumped well for steady-state conditions? 5- What is the approximate drawdown in the pumped well?

QI. s) Q1: A 1 m diameter well penetrates vertically through a confined aquifer (30 m) thick. When the well is pumped at (2712 m³/day), the drawdown in a well 15 m away from pumped well is 1.8 m; while the drawdown in another well 50 m away from pumped well is 0.5 m. Take the maximum head is 40 m. 1- Determine the transmissivity. 2- What is the approximate head in the first well? 3- What is the approximate head in the second well? 4- What is the approximate head in the pumped well for steady-state conditions? 5- What is the approximate drawdown in the pumped well?

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Answer both 1 (i) and (ii) 1) i) A 6 inch diameter well that fully penetrates a 40ft thick open aquifer is pumped at a rate of 100 gpm. The drawdown in the well is 22ft when a steady water level is established. The drawdown in a well 152ft distant is 12ft. Estimate the coefficient of permeabiliity of the soil deposit. ii) Discuss the validity of the answer obtained in 1( i ) and suggest how would you improve the test data obtained to produce a better value of k. Why?
Question 4.
ASAP, find the coreect answer on the choices provided.
DETERMINE: B. Specific yield of the soil and specific capacity of the well
I need the answer as soon as possible
26: ( ) A 40 cm well fully penetrated an unconfined aquifer of saturated depth 15 m. when a discharge of 1200 Ipm was being pumped for a long time, observed wells at redial distances of 25 and 100 m indicated of 7 and 4 m respectively. Estimate the coefficient of permeability of the aquifer. What is the drawdown at the pumping well?
Question 5 (Ground water and Well Hydraulics) Civil Engg. Yield of a well is 10 lit/sec under a depression head of 4m. The value of specific capacity per unit area is 0.6/hr. The bottom diameter of the dug well (in m) is
In fine sand aquifer region, design a well to get 10 l/sec yield under the depression head of с CR A drawdown may be taken as 0.6. 2.5 m. Value of in m³/hr/m² per meter of
Q1) B) using the Bingham plastic model determine the pressure losses in the annulus for the following well: (4 Marks) Data Length of drill pipe= 9000 ft Drill pipe = OD/ID = 5 in /4.276 in Hole diameter = 8.5 in |Page Plastic viscosity = 25 cp Yield point = 20 Ibf/100ft2 Flow rate = 300 gpm Mud density = 10 ppg %3D
I need the answer as soon as possible
hydrology engineering
The following data for an exploration well of 13,000 ft depth: Hole diameter = 8.1/2 inch Hole depth = 13,000 ft Plastic viscosity = 35 cP Yield point = 25 lb / 100 ft² Mud weight = 13 lb / gal Flow rate = 400 gpm Drill pipe ID = 4.276 in / OD = 5 in Drill collars ID = 2.875 in / OD = 6.5 in / Length = 500 ft Previous casing = 95/8 in / ID = 8.755 in set at 10,000 ft Pump pressure = 3000 psi Surface equipment type = 4 1. According to the above information calculate the following by using the Bingham plastic model and power-law model. • The nozzle sizes • The bottom hole pressure while circulating 2. Compare and discuss the results. Explain which model is more accurate. 3. Compare the two models with Hughes charts. Compare the results of the models and charts with bit hydraulic optimization software given.