1/12/25, 6:29 PM NGWA - Study Questions - General Drilling Exam |2025 Update|Complete Frequently Tested Questions And Verified Answers|…
NGWA - Study Questions - General Drilling
Exam |2025 Update|Complete Frequently
Tested Questions And Verified Answers|100%
Accurate Answers | Already Graded A+|Get it
right!!
Terms in this set (51)
Artesian Pressure is ... a result of gravity and confining beds.
generally...
1. Sandstones were once sand deposits and could
have been river sand, beach sands, or dune sands.
2. Some limestones contain fossils because they
What is true about the
were once the mucky bottoms of shallow seas.
origin of rocks?
3. Shales were once clay beds.
Sedimentary formations may reach depths of a mile
or more.
(T/F) Ground water, like True.
surface water, has a
tendency to flow
downhill.
The three main types of ... igneous, sedimentary, and metamorphic.
rock are...
Water would be least Granite.
likely found in what
geological formation?
(T/F) More than 90% of True.
our nation's fresh water is
underground?
https://quizlet.com/992080926/ngwa-study-questions-general-drilling-exam-2025-updatecomplete-frequently-tested-questions-and-verified-answer… 1/7
, 1/12/25, 6:29 PM NGWA - Study Questions - General Drilling Exam |2025 Update|Complete Frequently Tested Questions And Verified Answers|…
1. Make sure there are no overhead power lines
within at least 20' of the mast.
Prior to setting the rig,
2. Locate all buried materials.
you should...
3. Verify you are on the right property and meet the
correct setback requirements.
1. Shoring of trench walls over 4' deep.
Confined space entry 2. Establishment of buddy system.
rules require... 3. Have driller's assistant check jacks as operator
levels rig.
1. Use suitable jack pads for stabilization.
In setting up and leveling
2. Position rig for minimum leveling.
the rig, the right
3. Have driller's assistant check jacks as operator
procedure is to...
levels rig.
(T/F) A well may be used False.
as sewage disposal site
only if it is cased to the
bottom of the borehole.
When considering the ... place where it is least likely to be contaminated.
well site, the more
important thing to
consider is the...
Air forced down the drill ... clears drill cuttings.
pipe...
The best method to drill ... cable tool.
a domestic water supply
well in cavernous hard
rock would be...
The advantage(s) of ... porosity and permeability are relatively
reverse circulation undisturbed.
drilling include(s)...
The following drill rig is ... a bucket rig.
the least acceptable to
drill through a
consolidated shale in
sandstone formation...
https://quizlet.com/992080926/ngwa-study-questions-general-drilling-exam-2025-updatecomplete-frequently-tested-questions-and-verified-answer… 2/7
NGWA - Study Questions - General Drilling
Exam |2025 Update|Complete Frequently
Tested Questions And Verified Answers|100%
Accurate Answers | Already Graded A+|Get it
right!!
Terms in this set (51)
Artesian Pressure is ... a result of gravity and confining beds.
generally...
1. Sandstones were once sand deposits and could
have been river sand, beach sands, or dune sands.
2. Some limestones contain fossils because they
What is true about the
were once the mucky bottoms of shallow seas.
origin of rocks?
3. Shales were once clay beds.
Sedimentary formations may reach depths of a mile
or more.
(T/F) Ground water, like True.
surface water, has a
tendency to flow
downhill.
The three main types of ... igneous, sedimentary, and metamorphic.
rock are...
Water would be least Granite.
likely found in what
geological formation?
(T/F) More than 90% of True.
our nation's fresh water is
underground?
https://quizlet.com/992080926/ngwa-study-questions-general-drilling-exam-2025-updatecomplete-frequently-tested-questions-and-verified-answer… 1/7
, 1/12/25, 6:29 PM NGWA - Study Questions - General Drilling Exam |2025 Update|Complete Frequently Tested Questions And Verified Answers|…
1. Make sure there are no overhead power lines
within at least 20' of the mast.
Prior to setting the rig,
2. Locate all buried materials.
you should...
3. Verify you are on the right property and meet the
correct setback requirements.
1. Shoring of trench walls over 4' deep.
Confined space entry 2. Establishment of buddy system.
rules require... 3. Have driller's assistant check jacks as operator
levels rig.
1. Use suitable jack pads for stabilization.
In setting up and leveling
2. Position rig for minimum leveling.
the rig, the right
3. Have driller's assistant check jacks as operator
procedure is to...
levels rig.
(T/F) A well may be used False.
as sewage disposal site
only if it is cased to the
bottom of the borehole.
When considering the ... place where it is least likely to be contaminated.
well site, the more
important thing to
consider is the...
Air forced down the drill ... clears drill cuttings.
pipe...
The best method to drill ... cable tool.
a domestic water supply
well in cavernous hard
rock would be...
The advantage(s) of ... porosity and permeability are relatively
reverse circulation undisturbed.
drilling include(s)...
The following drill rig is ... a bucket rig.
the least acceptable to
drill through a
consolidated shale in
sandstone formation...
https://quizlet.com/992080926/ngwa-study-questions-general-drilling-exam-2025-updatecomplete-frequently-tested-questions-and-verified-answer… 2/7
