The area covered by this paper includes the State of Kansas, the State of Oklahoma, and adjacent areas of Texas.

At the end of March, 1952, there were 35 seismic crews and one gravity meter crew operating in Oklahoma, 16 seismic crews and one gravity crew in Kansas, and 17 seismic crews in north Texas within thirty miles of the Oklahoma border.

In Oklahoma it is evident from their locations that almost two-thirds of the crews are attempting, by more detail or better interpretation, to glean new possibilities from worked-over areas. Others, in both the Anadarko Basin area of poor records and in southeastern Oklahoma, are, by usage of new techniques, attempting to obtain new satisfactory data. In Kansas, except for the concentration of four crews in Barton County, the crews are well scattered over the western part of the state. Careful work on the central Kansas uplift is still yielding results in small but profitable oil fields. Some discussion of present techniques used in Kansas and in the poor record area of the Anadarko Basin is given.

Some coverage of both states has been made by aerial magnetic work but facts on such coverage are difficult to obtain due to the speed of the surveys and lack of ground indication of such activity.

The Anadarko Basin, despite large areas of poor seismic record quality, holds great promise for exploration with improved seismic techniques. Further development of seismic methods of locating stratigraphic-trap type fields will yield results. New and improved devices for obtaining velocity data from wells will aid in the advancement of seismic stratigraphic techniques and improve the accuracy of structural determination.

The gravity meter shows promise of ability to locate porous trends in limestone reservoirs and will be used to advantage in western Oklahoma and southwestern Kansas.

Both Oklahoma and Kansas, as well as adjacent areas of Texas, offer great opportunities for the further discovery of oil by utilization of geophysical methods, some new, some still in the experimental stage.

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