The Devil's Pipeline 1940

Synopsis:

A secretary sends a coded plea for help in her monthly report; two detectives investigate and find out that men are jailed on phony charges, forced to work in oil fields and then murdered if they try to escape.

Directed by: Christy Cabanne
Written by: Ben Chapman & Larry Rhine & Clarence Upson Young & Paul Huston
Runtime: 65 minutes
Tagline: DOUBLE-BARRELED ACTION!...as two adventurers battle oil racketeers!
Cast:
Richard Arlen
Richard Arlen
Dick Talbot 
Andy Devine
Andy Devine
Andy Jennings 
John Eldredge
John Eldredge
George Butler 
Jean Brooks
Jean Brooks
Laura Larson (as Jeanne Kelly) 
Francis McDonald
Francis McDonald
Gaddi Sang 
James Flavin
James Flavin
Dowling