Oren wrote:

...for fuel oil in Canada. House changing to Electric service.

"A home near Victoria had to be demolished after an oil company got
its addresses mixed up and delivered a load of furnace oil to the
wrong house."

"...I had disconnected the oil tank and was getting 200 amp service in
for electric heat," said Phillips.

http://www.cbc.ca/news/canada/british-columbia/story/2012/11/14/bc-oil-tank-saanich.html

Exactly how difficult is it to sawzall off the fill pipe, pull it out
and cement up the hole?