AL Well Driller case studies
AL Well Driller · Put your knowledge to work in context.
The Alabama Well Driller credential is a state-level qualification for people who design, drill, and construct water wells in Alabama. It is aimed at drilling contractors, rig operators, and field staff who need to demonstrate that they understand both the practical and regulatory sides of water well work. The AL Well Driller case studies are 5 cases and about 2,533 words.
1Lost Circulation While Setting Surface Casing on a Fractured Limestone Ridge
A contractor is drilling a 6-inch pilot hole for a residential well on a ridge in Madison County. The plan calls for 60 feet of 4-inch PVC surface casing set into rock and grouted to the surface.
673 words, about 3 min2Grout Volume Comes Up Short on a Deep Domestic Well
A driller completes a 320-foot domestic well with 6-inch steel casing to 300 feet and a 40-foot screen. The borehole is 10 inches.
547 words, about 3 min3Iron and Sulfur in a Sand-and-Gravel Aquifer Well
A new well in a Coastal Plain sand-and-gravel aquifer is completed at 180 feet with a 60-foot screen. After development, the water is clear but has a strong sulfur odor, stains fixtures, and shows iron staining on the casing.
447 words, about 2 min4Permit and Setback Questions on a Tight Lot
A landowner wants a well on a half-acre lot. The proposed location is 45 feet from a septic drainfield, 60 feet from the property line, and 80 feet from a neighbor's fuel oil tank.
409 words, about 2 min5Pump Setting Depth and Yield in a Low-Yield Fractured Rock Well
A 400-foot bedrock well yields only about 2 gallons per minute on a short pump test, with static water at 120 feet and pumping water level dropping to 300 feet during the test. The owner wants a submersible pump set near the bottom to maximize storage.
457 words, about 2 min