WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1

Why might it be important to check the plumbness and alignment of a well once digging is completed:

Driven wells can be installed only in soft formations free from ________

The borehole shall not penetrate to a depth greater than the depth at which injection will occur

Vertical seepage can occur readily outside when ______ is left unsealed in the ground near the surface

In hydraulic rotary drilling, borehole is cut with a rotating bit while cuttings are removed with ____