1876.] ^^* [Lesley. 



This well declined very slowly, and on June 24th, 1873, was pumping 

 1§ barrels per day. 



Colorado Well No. 16. 

 November 6th, 1872. 



Level of well mouth above ocean 



Wooden conductor to rock 14 feet. 14 = 



? 406 to 420 = 



IstS.S 30 " 440 = 



? 91 " 531 = 



2dS. S 19 " 550 = 



? 107 " 657 = 



3dS. S 36 " 693 = 



? pocket. 14 " 707 = 



Drilled dry. Cased at 257^ feet. 



Very small quantity of gas and salt water in 2d S. 8. 



Small quantity of salt water came in at the top of 3d S. S. Oil came iji 

 from 7 to 10 feet below the top. Sand good down to 14 feet. Good again 

 from 20 to 23 feet. Below 23 feet it was fine and hard, but white, until 

 near the bottom. 



Natural production about ^ barrels of oil and 7 barrels of salt water per 

 day. 



Nov. 14th, torpedoed (3 pints) 9 feet below top of 3d S. S., it then pro- 

 vluced 7 barrels of oil per day for about 10 days. 



May 17t.h, 1873, pumping 1^ barrels per day. Torpedoed 20 feet below 

 top of sand. Increased to 3 barrels per day for a short time. 



June 24th, 1873, pumping 1^ barrels per day and continued to do so 

 until Oct. 17th, 1873. Flooded with 7 barrels of Benzine, but slight in- 

 crease either in gas or oil. 



Nov. 16th, 1863, pumping 2 barrels per day. 



Colorado Well No. 17. 

 November 23d, 1872. 



Level of well mouth above ocean 



Wooden conductor to rock 13 feet. 13 =: 



? 396 to 409 = 



4stS, S 21 " 430 = 



? 101 " 531 r= 



2dS. S 19 " 550 ^ 



? 89 " 639 — 



3dS. S (not through S. S.) 40 " 679 = 



Drilled dry. Cased at 237 feet. 



Oil came in in small quantities while running the first "bit " in the 3d 

 S. S. First show of salt water about 14 feet below top of sand. Sand soft 

 and white down to 27 feet, then began to change to grey. From 31 feet to 

 40 feet it was very poor. 



FROC. AMER. PHILOS. 80C. XVI. 98. 28 



