Water Well Drilling 101 for General Exam
Questions and Verified Answers
1. Well construc-
drilling, installation of casing, placing well screens, grouting,
tion is
DEVELOPMENT
comprised of
the following
componets?
2. Minimum
grout- ing 10' is code
distance?
3. Artesian Well Artesian pressure is the result of gravity and the confining Aquifer
4. Artesian Well Lay- CONFINING Layer (top)
ers CONFINED AQUIFER (middle)
IMPERMEABLE Layer (bottom)
5. Types of Cable tool, Air rotary, Mud rotary, Reverse circulation rotary, Jetting & Driving
drilling
techniques
6. GROUTING IS THE ACT OF INJECTING CERTAIN SUBSTANCES INTO VOID SPACE TO
REDUCE OR ELIMINATE THEIR PERMEABILITY, CONSOLIDATE OR
INCREASE THEIR STRENGTH.
(Filling space between the casing and bore hole with cement or clay)
7. Methods of Ra- tio
Grouting
include 9. Tremie Pipe Out- side Casing
8. Neat Cement
1/
9
, Water Well Drilling 101 for General Exam
Questions and Verified Answers
T ie pipe inside casing,
r Casing method or Halliburton method
e
m Cement and Water, 5.5 to 6gal of h20 to 1 cubic foot of Portland cement
i with 3% bentonite to prevent shrinkage
e
Grout placed through small pipe outside
casing, Centering guides are placed along
p
length of casing,
i
p
e
o
u
t
s
i
d
e
c
a
s
i
n
g
,
T
r
e
m
2/
9
Questions and Verified Answers
1. Well construc-
drilling, installation of casing, placing well screens, grouting,
tion is
DEVELOPMENT
comprised of
the following
componets?
2. Minimum
grout- ing 10' is code
distance?
3. Artesian Well Artesian pressure is the result of gravity and the confining Aquifer
4. Artesian Well Lay- CONFINING Layer (top)
ers CONFINED AQUIFER (middle)
IMPERMEABLE Layer (bottom)
5. Types of Cable tool, Air rotary, Mud rotary, Reverse circulation rotary, Jetting & Driving
drilling
techniques
6. GROUTING IS THE ACT OF INJECTING CERTAIN SUBSTANCES INTO VOID SPACE TO
REDUCE OR ELIMINATE THEIR PERMEABILITY, CONSOLIDATE OR
INCREASE THEIR STRENGTH.
(Filling space between the casing and bore hole with cement or clay)
7. Methods of Ra- tio
Grouting
include 9. Tremie Pipe Out- side Casing
8. Neat Cement
1/
9
, Water Well Drilling 101 for General Exam
Questions and Verified Answers
T ie pipe inside casing,
r Casing method or Halliburton method
e
m Cement and Water, 5.5 to 6gal of h20 to 1 cubic foot of Portland cement
i with 3% bentonite to prevent shrinkage
e
Grout placed through small pipe outside
casing, Centering guides are placed along
p
length of casing,
i
p
e
o
u
t
s
i
d
e
c
a
s
i
n
g
,
T
r
e
m
2/
9
