Question

An oil well is usually drilled into

Answer 1

Answer:

Water

Explanation:

Answer 2

Answer:

An oil well is usually drilled into a hole in the Earth with a drilling rig.

Explanation:

In summary, a well is created by drilling a hole into the earth with a drilling rig that rotates a drill string with a bit attached. After the hole is drilled to a prescribed depth, sections of steel tubing known as casing are set in the hole (slightly smaller than the borehole) to provide an annuls for cementing. Hope this helps.