NGWA EXAM SCRIPT 2026 COMPLETE
QUESTIONS AND SOLUTIONS GRADED A+
◉ List all the parts of a cable tool drill string.
Answer: Drill bit
Drill stem
Rope socket
Jars
Swivel
Fishing tools (when needed)
◉ List all the parts on a rotary drill string.
Answer: Drill bit
Drill pipe
Drill collar
Kelly (for traditional rotary rigs)
Stabilizers
Crossover subs
Tool joints
Float valve (optional)
,◉ Name and describe 4 methods of developing a well.
Answer: Airlifting
Surging
Jetting
Bailing
◉ List 3 types of bailers for cable tool drilling and the purpose for
each.
Answer: Sand, valve, junk.
◉ How do you dress a cable tool bit?
Answer: Dressing a cable tool bit involves reshaping and sharpening
the bit to ensure effective drilling.
1. Inspection
2. Heating
3. Forging
4. Tempering
5. Final Sharpening
◉ What type of maintenance is used on rotary bits?
Answer: Inspection
, Cleaning
Lubrication
Sharpening or Replacement
Monitoring Torque and Weight
◉ What is a well screen?
Answer: A well screen is a filtering device placed at the bottom of a
well, usually in the water-bearing formation, to allow groundwater
to enter the well while keeping out sediment, sand, and other fine
materials.
◉ List the common types of fishing tools and explain how they are
used.
Answer: Overshot
Spear
Fishing Magnet
Junk Basket
Impression Block
◉ How is the screen sized in sand and gravel wells?
Answer: Grain Size Analysis
Slot Size Selection
Screen Length
QUESTIONS AND SOLUTIONS GRADED A+
◉ List all the parts of a cable tool drill string.
Answer: Drill bit
Drill stem
Rope socket
Jars
Swivel
Fishing tools (when needed)
◉ List all the parts on a rotary drill string.
Answer: Drill bit
Drill pipe
Drill collar
Kelly (for traditional rotary rigs)
Stabilizers
Crossover subs
Tool joints
Float valve (optional)
,◉ Name and describe 4 methods of developing a well.
Answer: Airlifting
Surging
Jetting
Bailing
◉ List 3 types of bailers for cable tool drilling and the purpose for
each.
Answer: Sand, valve, junk.
◉ How do you dress a cable tool bit?
Answer: Dressing a cable tool bit involves reshaping and sharpening
the bit to ensure effective drilling.
1. Inspection
2. Heating
3. Forging
4. Tempering
5. Final Sharpening
◉ What type of maintenance is used on rotary bits?
Answer: Inspection
, Cleaning
Lubrication
Sharpening or Replacement
Monitoring Torque and Weight
◉ What is a well screen?
Answer: A well screen is a filtering device placed at the bottom of a
well, usually in the water-bearing formation, to allow groundwater
to enter the well while keeping out sediment, sand, and other fine
materials.
◉ List the common types of fishing tools and explain how they are
used.
Answer: Overshot
Spear
Fishing Magnet
Junk Basket
Impression Block
◉ How is the screen sized in sand and gravel wells?
Answer: Grain Size Analysis
Slot Size Selection
Screen Length
