JOHN FRANKLIN CARLL - 1826 – 1904



This marker was dedicated October 23, 2007 and is located in Pleasantville on East State Street.

Pioneer petroleum geologist and engineer, Carll originated many standard oil industry practices, including accurate drilling records, correlating and mapping subsurface reservoir rocks, and explaining the increased productivity resulting from reservoir flooding. In the 2nd Geological Survey of Pennsylvania (1875), he provided basic explanations of northwestern Pa. surface and subsurface geology. He lived and worked here from 1864 until his death.

John Franklin Carll was born May 7, 1826 in what is now Brooklyn, NY. Mr. Carll came to Venango County in 1864 and settled in Pleasantville. He died March 13, 1904 in Waldron Park, Arkansas at the age of 76 years and is buried in Flushing, Long Island, NY.

Mrs. John F. Carll, died March 3, 1903 at Pleasantville where she had lived since 1869. She was survived by her husband, one son and two brothers. She is buried in Flushing, Long Island, NY.

Society of Petroleum Engineers: The John Franklin Carll Award, established in 1956, recognizes the contribution of technical applications of engineering principals to petroleum development and recovery

Donated by Penny Haylett Minnick
pictures Penny Haylett Minnick