It is narrated from Sayyiduna Abdullah bin Amr bin Aas (may Allah be pleased with him) that a man came to the Noble Prophet (peace and blessings be upon him) and said: O Messenger of Allah! A man goes far away and does not have the ability to obtain water, can he have intercourse with his wife? The Prophet (peace and blessings be upon him) said: Yes.
Hadith Referenceالفتح الربانی / كتاب التيمم / 1000