She's Oil Mine

She's Oil Mine is the last short subject American comedian Buster Keaton made for Columbia Pictures. Keaton made a total of 10 films for the studio from 1939 to 1941.

Plot

Waters and Piper are plumbers. During a busy day in their shop, an heiress flees from a persistent suitor. The jealous suitor challenges Keaton to a duel.
The duel takes place on the heiress’s property, where oil drilling is underway. During the confrontation, an oil well is accidentally struck and begins to gush. The resulting oil discovery makes the heiress wealthy, resolves the dispute, and ends the suitor’s pursuit.

Cast

Buster Keaton as Waters
Monte Collins as Piper
Elsie Ames as the heiress
Eddie Laughton as the suitor

Background

The film is a reworking of Keaton's 1932 feature The Passionate Plumber. The duel was also reworked in Keaton's 1947 French short Un Duel A Mort.
After making 10 shorts for Columbia, Keaton chose not to renew his contract and opted for supporting roles in feature films. Columbia continued to offer the Keaton comedies to theaters well into the 1960s.