WATER WELL DRILLING 101 FOR
GENERAL EXAM 2025 QUESTIONS AND
ANSWERS
Well construction is comprised of the following componets? - ANS drilling, installation of
casing, placing well screens, grouting, DEVELOPMENT
Minimum grouting distance? - ANS 10' is code
Artesian Well - ANS Artesian pressure is the result of gravity and the confining Aquifer
Artesian Well Layers - ANS CONFINING Layer (top)
CONFINED AQUIFER (middle)
IMPERMEABLE Layer (bottom)
COPYRIGHT © 2025 FYNDLAY ALL RIGHTS RESERVED 1
, Types of drilling techniques - ANS Cable tool, Air rotary, Mud rotary, Reverse circulation
rotary, Jetting & Driving
GROUTING - ANS 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)
Methods of Grouting include - ANS Tremie pipe outside casing,
Tremie pipe inside casing,
Casing method or Halliburton method
Neat Cement Ratio - ANS Cement and Water, 5.5 to 6gal of h20 to 1 cubic foot of Portland
cement with 3% bentonite to prevent shrinkage
Tremie Pipe Outside Casing - ANS Grout placed through small pipe outside casing,
Centering guides are placed along length of casing,
Lower end of casing has drillable plug,
Casing held down by rig so it doesn't float,
COPYRIGHT © 2025 FYNDLAY ALL RIGHTS RESERVED 2
GENERAL EXAM 2025 QUESTIONS AND
ANSWERS
Well construction is comprised of the following componets? - ANS drilling, installation of
casing, placing well screens, grouting, DEVELOPMENT
Minimum grouting distance? - ANS 10' is code
Artesian Well - ANS Artesian pressure is the result of gravity and the confining Aquifer
Artesian Well Layers - ANS CONFINING Layer (top)
CONFINED AQUIFER (middle)
IMPERMEABLE Layer (bottom)
COPYRIGHT © 2025 FYNDLAY ALL RIGHTS RESERVED 1
, Types of drilling techniques - ANS Cable tool, Air rotary, Mud rotary, Reverse circulation
rotary, Jetting & Driving
GROUTING - ANS 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)
Methods of Grouting include - ANS Tremie pipe outside casing,
Tremie pipe inside casing,
Casing method or Halliburton method
Neat Cement Ratio - ANS Cement and Water, 5.5 to 6gal of h20 to 1 cubic foot of Portland
cement with 3% bentonite to prevent shrinkage
Tremie Pipe Outside Casing - ANS Grout placed through small pipe outside casing,
Centering guides are placed along length of casing,
Lower end of casing has drillable plug,
Casing held down by rig so it doesn't float,
COPYRIGHT © 2025 FYNDLAY ALL RIGHTS RESERVED 2
