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UNION PACIFIC RAILROAD COMPANY Las Vegas, Nevada Water Well #8 History Location: 290' South and 728* West o f E j Corner, Section 51, 20-61, M. D. E. & M. Elevation: 2126’ (Cement Matt) 3/17/42 - Spudded at 1:00 P.M. D rille d 20-3/4" hole from 0 to 24.55, 3/20/42 3/21/42 3/22/42 D rilled 18-1/4" bole to 510. Attempted to run 13-5/8" - 48/ South Chester Tube C o .'s lapweld, screw easing. Started runnirr casing at 11:15 P.M ., March 20th. Casing started hanging up occasionally from 90' down; when shoe had reached 416* at 5:05 A.M., March 26th, the caning became loggy when p u llin g upward to free s lip s . A ll o f 13-3/8" casing was then pulled out. Hole was reamed with 18-1/4" Crum bit end 3 additional feet of hole made to 513. Ren 538.26* o f 13-3/8" - 43/ South Chester Tube Co..' r lapweld, short thread, 8-V thread casin'-* no cemented shoe o f some at 510.57, using 388 sacks of Victor Modified Cement, none treated. Baker cement flo a t shoe on bottom o f casing. The cement was mi red and pumped down by the rig's, crew and punas, using tv.'O Perk inn plugs. The shoe of the 13-5/8" casing wfs f i r t, r -r to 511, then pulled up to 510.57 and heln there while pumping out the cement. Started running casing at 1:00 / , ' arch 22nd. Finished, cementing at 8:42.A.M., Merer, 2f:no. Ccmirg stood cemented 36 hours. R anin vdtl L2-3/3" Crur b i t . md to • r 4:^-0 • r r . livS/9* ahead w ith '12-3/8" b it . With bottom o f hole at 766, attempted to run ir. 1 lin e r 283.81' J.cnr. Started running ilr.er at If: March 25th. Could not work shoe of * Iren helor Started p u llin g 10-5/4" lin e r out of hoi* at 12:4 March 26th.