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Water Well #7 History Location: 360' North and 450" West of Ei Corner, section 31- 20-61, M.D.B.&M. Spudded at 3:15 A.M., March.7, 1942 D rille d 20fH hole from to 0 to 37r . 3/8/42 - D r ill 17| hole from 37 to 286* 3/9/42 - Waiting fo r Baker flo a t shoe. Ran 13 3/8 casing to 37*. Hit bridge and pulled reamed hole with 17-& b it . Ran 13 3/8 casing to 199 feet h it bridge and pulled, 3/10/42 - Ran 13 3/8 casing to 275* and cemented with 218 sacks of untreated Victor Jbdlfled Cement, find pressure, 400# cemented between 13 3/8 and conductor pipe from surface. 13 3/8 casing 48# South Chester tube Co.’ s lapweld, 8V thread T & C range one casing. Cement mixed and pumped in by crew. Two Perkins plugs used. Baker flo a t shoe on bottom. Finished cementing at 5:00 A.M. 3/10/42 - Standing cemented. 3/11/42 - Landed casing at 275’ started d r illin g out at 9:30 P.M. D rilled 12 3/8“ hole to 295’ . Water diluted mud and well started to flow at 10:30 P.M, Mixed mud. 3/12/42 - K illed w ell at 2:00 A.M. D rilled 12 3/8“ hole to 485*. Ran 10 3/4" lin e r to 314 feet, h it bridge and pulled 3/13/42 - Reamed hole, well started to flow a mixed mud, k ille d well and ran 10 3/4 lin e r to 460 feet where it was landed. Liner was 10 3/4" - 45,5# A. 0. Smith fusion weld with Hydrll flush join ts. Liner was 255.30* long with 39’ of blank and Baash-Ross Adapter on top. and 216’ of perforated with torch made Bull plug on bottom. Perforations were 60 mesh, 2" sla ts 6" centers, 18 rows. Liner landed at 460’ . Top of adapter was at 207.10 feet. • UNION PACIFIC RAILROAD COMPANY Las Vegas, Nevada