NGWA GENERAL DRILLING PRACTICE
SCRIPT 2026 COMPLETE 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
⩥ Name the four cables on a cable tool rig and tell what they do.
Answer: Drilling Line (Mainline): This is the primary cable used to raise
and lower the drill string, which includes the drill bit, drill stem, and
jars, into and out of the wellbore.
Sand Line: This cable is used to operate the bailer or sand pump to
remove cuttings, debris, and water from the wellbore during and after
drilling operations.
SCRIPT 2026 COMPLETE 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
⩥ Name the four cables on a cable tool rig and tell what they do.
Answer: Drilling Line (Mainline): This is the primary cable used to raise
and lower the drill string, which includes the drill bit, drill stem, and
jars, into and out of the wellbore.
Sand Line: This cable is used to operate the bailer or sand pump to
remove cuttings, debris, and water from the wellbore during and after
drilling operations.
