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Los Angeles* May 1 9 th, 1 9 4 9 1-7334 Mr* A* E* Stoddard: R e fe rrin g to LVL4WQo* Work Orders 59® and 5 9 6 -1 a u th o ris in g d r i l l i n g o f one 1 2 -ln c h w ater w e ll and in s t a lla t io n o f 20 H.P. subm ersible pump on LVL&WGo• ranch property a t Las Vegas* Nevada* Work Order a u th o rity contemplated d r i l l i n g a 12-inch w e ll* However* a f t e r g iv in g c a re fu l con sid eration to th is m atter* i t was decided that we should d r i l l a l 6 -in o h w e ll so th at i f hard d r i l l i n g was encountered* we could reduce to a 1 2 -in c h casin g an®- continue down to the f u l l depth o f the w e ll* A sm aller diam eter than 12-inch would not permit flo w o f 1500 0 PM which we"hoped to o b ta in and which we re q u ire to I r r i g a t e the upper p o rtio n o f the ranch* 10465* dated O ctober 15* 1946, with B a rb e r-B rid g e P r i l l i n g dorp. L t d .* f o r the d r i l l i n g o f a 16-inch w e ll c o n sistin g o f 16-inoh double w e ll casin g No* 5 gauge with 6 0 f t * o f 2 0 - 1 noh I.B * conductor pipe* However* due to the fa c t pipe m anufacturers d id not have No* 5 gauge casing in stock* B a rb e r-B rid g e P r i l l i n g Gorp. fu rn ish ed h e a v ie r basin g No* 6 .gauge a t same p ric e o r i g i n a lly quoted f o r No* 6 gauge* At a depth o f 147 f t . a small amount o f a rte s ia n flo w * approxim ately 10 0PM* developed which in creased g ra d u a lly to 20 0PM a t 2 6 0 f t * and a t t o t a l depth o f 1125 f t * a rte s ia n flo w was in creased to 5 0 G-PM. The g re a te r p o rtio n o f the e n tire depth o f 1125 f t * con sisted o f varyin g thicknesses o f la y e r s o f b lu e * brown and grey clay with a few s t r a t a o f lim estone and se v e ra l la y e r s non-water b e a rin g c la y and rooks mixed together* The only m a te ria l which was considered to be w ater b e arin g oth er than th at mentioned above was encountered a t depth o f J 06 to 7 0 9 f t * which con sisted o f a 3~ f t * s t ra t a o f lim estone g ra v e l* W ell casing was p e rfo ra te d between 405 and 1 1 0 0 f t * e le v a tio n s and no in orease in flo w developed* S tate o f Nevada would not permit us to p e rfo ra te above 4oo f t depth'. Test o f the w e ll a f t e r ,p e r fo ra t in g measured 5 0 0PM with p ressu re o f 2 5 -lb s * p e r sq* in ch . W ell was capped* v a lv e In s t a lle d and i s now flo w in g 50 0PM. were found in the e n tire depth o f the w e ll* the in s t a lla t io n o f the pump i s not warranted as our pumping te s ts in d ic a te that the sands produce only about 5 0 0PM and operation o f a submers i b le pump w i l l Inorease the flo w on ly a very sm all amount. We th e re fo re entered in to a con tract* 0.A* Audit No* Due to the fa o t that very l i t t l e water b earin g s t ra t a W . M. J. MAY 24 g£& 4 \V,». MAY H ill
