American Falls press. [volume] (American Falls, Idaho) 1907-1937, 1912-11-21
Us FOR IRRIGATION
absolute Essentials Given
for Water Source.
h Water IL In Well thu
Z .Ner Will Be the Pressure
9gne Should Be Construct
% From Top to Bottom.

II From Top to Bottom.
Pylng three absolute essential.
M good artesian or irrigation
M. Madison In the Texas
an and Farmer, says:
III EsSE Icy absolute essentials. for we
"a conceive of there being a good
x &fehout having these three char
[ics. Stated briefly, they are
<aLpws:
TThe well must be complete.
xnp4d from top to bottom.
ond-The casing must be so
k49t not only is there no leaks
SnPFe cannot arise any around
y Qu4side of the pipe.
4 fnlrq-With the fewest exceptions
"a should be put in well.
me are good reasons for each
- mich are herewith given. A col.
&nlH SoKs water one inch square weighs
nSt9 over one-half pound to the
t00t- Water standing two hundred
18Th = well would weig- nearly 100
pounde TO the square inch. In other
words the pressure of water standing
SVV feet deep In a well would be near.
q lOV pounds to the square inch.
1nle y = pressure fully as great as is
eerried IN any stationary boiler.
r. = easy to see that the deeper
So Water In a we'll the greater VIII be
3 pressure. Where water stands
1s0VQ sfeet in a we'll the pressure is
ebont 500 pounds to the square inch
= pEeGsure SO great that no boiler ever
M&1If would sustain it, and if applied
SQsthe strongest steel boiler now built
would blow it into atoms and scatter
S1elm 9 over a mile carrying death
ma Qestruction in the path.
NOW stop and think for a moment.
4Snes2 pressure at the bottom Of a
not well is nearly 500 pounds.
there was a hole or ven in
k4e 414Sf of the well, wouldn't that wa
gerSS 1Sssforced out through it. But
nere 9t1 southwest Texas it is scarce
" Qos6ible to drill a well without
going through sand, gravel and loose
SOL: II there is no casing put in
well is not the enormous pres
dalre Of water going to drive much
b itSont through this sand, gravel
loose soil? Government and
other reports show that an average
Of one-half of the water of an IN
cased we'll is lost by being driven
Y through the sand, gravel, loose
rock and soil in the strata through
which the well is drilled. In many
wells there is even a greater loss
han this.
Let us put it a little differently.
Az uncased well that will irripata
LVV acres would if cased irrigate 200
lcras. Or put it still differently,
inc cased well will do the same serv-
That two uncased wells will do.
7 does not cost as much to case a >
Veil as it does to drill one, so there
no such thing as saying it
VII save money to leave a well un-
'ased. 1t would seem that an abso-
utely sufficient reason has been
'fven for saying that the complete =
'aefng of a well from top to bottom
! Essential
ak& would also seem that on account
|fRthds enormous water pressure in
49, the casing that it is plain if
here was any leak around the out
81 the casing the water would |
y 5tQrced through this leak and then
re- the sand, gravel, loose rock and
0lI 4round the outside of the casing. {
here would not be so much forced n
4fQugh to be sure if there was no ,
4etng, but there would be a loss. =,
o1netimes this loss is as great as to
aQae the public to think there is a |
kling water supply. S
FEAere is a way to prevent this leak !
~ around the outside of the casing. n
'Ss1s usually called setting the cas-. Il
T. In lead. We are not going into
4~Sexplanation of this just here. but =
xMce it to say no contract ought
"a to be let or signed for drilling =,
vel that did not fully and clearly .
lecify the casing IA to be set in
in such a way there was and Il
ND not be any leakage around the b
ne. There are some special cases r
nere faxseed are used to stop leak. f
"a ald there are others where the
N& can be set in cap rock so well
56*e will be no leakage. But set 1t n
l&@t be so there is no leakage. this -
80 second essential of a good ir.
Nor well.