Oklahoma's position improved during 1941 by increasing production about 2¼ million barrels to total 152,013,942 barrels. Estimated reserves at the close of 1941 were 1,035,820,000 barrels, an increase of 34,000,000 barrels over 1940. The Oklahoma production curve paralleled the national production curve from 1930 through 1937. The drop in national production in 1938 was corrected in 1939 and national production has continued to rise since that year. Oklahoma on the other hand steadily declined through 1938, 1939, and 1940. The small gain in production and reserves in 1941 is the first hopeful sign in several years. Production increase is due largely to development of pools discovered prior to 1941. However, 43 new pool discoveries are listed for the year. Of these, A ache is the most important, but its discovery came too late in the year materially to affect production. An encouraging sign is the continued successful search for oil in the older areas, such as the Seminole region and Okfuskee County.

Geophysical activity was widespread and included all the present-day methods. There was an average of 25 seismograph parties operating in the state, totaling 281½ crew months of work, an increase of 36 crew months for the year. Nearly three-fourths of all the new discoveries are credited to seismograph surveys. Gravimeters and magnetometers continued in use and the stratigraphic drill was used more than in previous years.

There were 2,162 wells drilled during the year, of which 1,489 produced oil or gas. Of these, 271 were exploratory wells drilled following the exploratory surveys. Seventy of these wells were completed as producers, and 43 are classed as new pool openers.

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