Japanese Word Images for the Word "Well"
The left side Japanese word "井戸(いど-ido)" means "Well". (And this word "井戸" is often used as a last name in Japan.)
The below images are Japanese Kanji and Hiragana of some Japanese words which mean "Well".
You can learn how to write these Japanese words by referring the stroke orders of these words.
And also we use the Japanese word "油井(ゆせい-yusei)" for translating this word into Japanese. (Usually we use "井戸" for water wells and the word "油井" is used only for oil related wells.)