214 KECOKD OF DEEP- WELL DRILLING FOR 1905. 
Feet. 
Red slate 710-730 
Blue slate 730-740 
White slate 740-760 
White limestone 760-780 
Yellow slate 780-785 
Red mud ." 785-790 
Brown slate. 790-800 
Slate, red slate at 875-900 feet 800-906 
Rig used, standard. Casing used, 85 feet of 10-inch; 515 feet of 8-inch; 750 feet of 
6|-inch. Fresh water from 40 to 45 feet; salt water from 400 to 410 feet. 
435. Well near Henryetta, Creek Nation. 
[Well begun September 17, 1905; completed October 24, 1905. Authority, J. B. Swan, of Smith & Swan, 
contractors. No samples.] 
This deep well penetrated formations of Pennsylvanian age. The log shows the rocks 
underlying the pay sands at Henryetta for a depth of 1,300 feet. The top of the Missis- 
sippian rocks may !>r 10,000 feet below the surface, hence endeavors to reach it by drilling 
in this section are bound to end in failure. 
Record of well No. 1, Henryetta. 
Feet. 
Surface soil and wash 1- 10 
White slate 10- 101 
Hard gray limestone 101- 105 
Soft white slate 10.5- 205 
Soft grayish-blue slate 205- 402 
White sand; about 2 barrels of water per hour 402- 434 
White shale 434- 510 
Grayish-blue slate 510- 865 
White sand; about 1 barrels of water per hour 865- 910 
Soft white slate 910- 960 
Hard gray slate 960-1, 016 
White sand; heavy paraffin oil and gas 1, 016-1, 027 
White slate with a few lime shells 1, 027-1, 892 
White sand, dry 1, 892-1, 907 
Hard gray limestone 1, 907-2,008 
Soft white slate 2, 008-2, 013 
Hard gray limestone 2, 013-2, 020 
Coal, fine" quality 2, 020-2, 024 
Hard gray limestone 2, 024-2, 276 
Soft gray slate 2, 276-2, 306 
Hard sandy lime shell 2, 306-2, 309 
Rig used, standard. Casing used, 8|-inch from surface to 1,097 feet; 6|-inch from 1 
foot to 1,097. Water-bearing strata from 402 to 434 and 915 to 960 feet. Nothing of 
value below 1,027 feet. The oil from the well came out in chunks, was bright yellow in 
color, turning to light green after melting. It did not flow at a temperature of 60° F. f 
To utilize the gas at 1,016 to 1,027 feet a string of 2-inch casing with Dresser packer was j 
put in. The yield was 250,000 cubic feet in twenty-four hours; initial pressure, 280 
pounds. 
