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UNION PACIFIC RAILROAD COMPANY Las Vegas, Nevada Location: E levation : 3/17/42 - 3/20/42 I 3/21/42 . - 3/22/42 - 3/23/42 - 3/25/42 | Water W ell #8 H istory 290* South and 728* West o f E-J Corner, Section 31, 20-61, M. D. B. f§ M. 2126* (Cement Matt) Spudded at 1:00 P.M. D r ille d 20-3/4" hole from 0 to 24.55 D r ille d 18-1/4" hole to 510. Attempted to run 13-3/8" - 48# South Chester Tube Co.*s lapweld, screw casing. Started running easing at 11:15 P .M ., March 20th. Casing started hanging up occasion ally from 90* down; when shoe had reached 416* at 5:05 A .M ., March 26th, the casing became loggy when p u llin g upward to fre e s li p s . A l l o f 13-3/8" casing was then p u lle d out. Hole was reamed with 18-1/4" Crum b it and 3 addition al feet o f hole made to 513. Ran 538.26* o f .13-3/8" - 48# South Chester Tube C o .'s lapw eld, short thread, 8-V thread casing and cemented shoe o f same at 510.57, using 388 sacks o f V ic to r M odified Cement, none treated . Baker cement flo a t shoe on bottom o f casing. The cement was mixed and pumped down by the r i g 's crew and pumps, using two Perkins plu gs. The shoe o f the 13-3/8" casing was f i r s t run to 511, then p u lled up to 510.57 and held there while pumping out the cement. Started running casing at 1:00 A .M ., March 22nd. Finished cementing at 8:42 A .M ., March 22nd. Casing stood cemented 36 hours. Ran in w ith 12-3/8" Crum b i t . Found top o f hard cement at 420. D r ille d out cement and 13-3/8" shoe and d r ille d ahead w ith 12-3/8" b i t . With bottom o f hole at 766, attempted to run in 10-3/4" lin e r 283.81' |oiig. Started running lin e r at 10:10 P.M. March 25th. Could not work shoe o f l i n e r below 572. Started p u llin g 10-3/4" lin e r out o f hole at 12:40 P .M ., March 26th.