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Pat Shouldice


Central Collegiate High School in Calgary has spawned many interesting careers, but none more exciting than that of Pat Shouldice.


A native Calgarian, born on June 24, 1935, Pat graduated from the University of Oklahoma with a degree in Petroleum Engineering in 1956. He then returned to Canada with another prize from the American south-his wife-Jane.


Pat's career with big oil companies lasted six years and took him around Alberta to many places, including Drayton Valley. In 1962, Pat and a group of investors created a company-Nowsco Well Service Ltd.-that pioneered the use of liquid nitrogen to promote the flow of oil from wellbores.


Nowsco performed its first job on October 17, 1962 near Red Deer, and by 1971 the company offered a full line of well services including cementing, acidizing, fracturing, nitrogen and coiled tubing.


Not content to be the leader in the Canadian market, Nowsco expanded around the world, and by 1995 it had operations in 20 countries besides Canada with more than 2,200 employees.


Pat chose to retire in 1996 when BJ Services Company aqcuired Nowsco. He continues to be active in many professional associations and charitable organizations, including the Fort Calgary Historical Society and STARS. Pat continues his petroleum activities as a director of Collicutt Hanover, a natural gas compressor manufacturer.


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