Question

What happens when you drill for oil?​

Answer 1

Explanation:

To do this, a long bit attached to a "drilling string" is used. ... The bit varies in diameter from five to 50 inches. After each section is drilled, a steel pipe slightly smaller than the hole diameter is dropped in and often cement is used to fill the gap.

Answer 2

Explanation:

To do this, a long bit attached to a "drilling

string" is used. The bit varies in diameter from

five to 50 inches. After each section is drilled,

a steel pipe slightly smaller than the hole

diameter is dropped in and often cement is

used to fill the gap.

My I n s t a gram :- aytidaa_45