Montana oil and mining journal. [volume] (Great Falls, Mont.) 1931-1953, 1939-06-03
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ing to work and 'going off tour" for
quitting. A tour usually is eight hours
a day.
TOOL PUsHER: One having charge
of the contractors field work
DRILLER: The individual who super
intends work on the derrick floor, either
rotary or cable tools.
ROUGHNECK: A man who works on
the derrick floor of a rotary rig usually
there are four of them, known as fire
men or potmen, derrickmen and two
''floormen"
'outside man" on a rotary crew; gem
eral handyman.
TOOL-DREssER: Driller's assistant
on cable tool job, who keeps the tools
in repair.
SWIVEL NECK: Rotary Driller.
ROPE CHOKER: Cable tool driller
SHOOT: To explode charge of nitro
glycerin in the hole, usually on the
formation
sQUIB: A small charge of nitro
glycerin.
ACIDIZE: To force hydrochioric acid
into the lime formation. Hydrochloric
acid and lime set up a chemical action
which eats away the lime sometimes OPP
ening channels through which oil may
enter the hole
SQUEEZE JOB: To force cement into
an oil formation so as to shut off flow
OF water but to preserve any oil. The
cement will harden lin water but will
not harden in oil. This is new tech
nique, developed in recent years
DIRECTIONAL ACUDTZATYON: A new
science of boring holes horizontally away
from and near the bottom of a hole drill,
ed into the lime. This is accomplished
by introduction of acid under high
pressure through a flexible tube The
tube follows into the hole which the acid
cuts. It's called Molly the mole"
CRACKING: A modern process of re-
timing which increases the recovery OF
gasoline distilling it under pressure, as
against distillation under atmospheric
pressures.
TOPPING PLANT: A refinery which
has no cracking facilities: that takes
off only the most volatile part of the
crude as straight run" gasoline This
plant is also called a Skinner"
Cracking processes have more than
doubled the recovery of motor fuel from
given barrel of crude, as compared
with the old skimming plants
CONTEMPLATION: The recovery and
utilization of waste gases from a re-
finery. The light gasses, heretofore used
for fuel under the boilers are now liqui-
fled into high octane gasoline which is
usually blended with other gasoline to
increase the octane number We must
assume that every automobile owner
knows the meaning of the term "octane.'
which is the anti-knock Constituent of
good gasoline.
CATALYTTC CRACKING: The newest
development in refining wherein the
crude is run through a catalytic agent
such as clays containing aluminium, which
has the effect of increasing the anti
knock value of the gasoline and Of in
creasing the recovery of motor fuel
The gasoline. Of the future will doubtless
be nearly all catalytic cracked
BACK PRESSURE: phrase frequent
~ used in connection with production
methods now employed. Formerly wells
were allowed to produce wide open, while
today operators know that they can get
more oil from a we'll and from the for
nation by holding a certain amount Of
pressure. Bottom hole pressure" is
measured to determine the most efficient
pressure which serves to. conserve the
reservoir energy provided by gas, and
to hold back the water. There is more
or less pressure in every well, without
which the well will not produce. since
into the hole. Reservation of the
either water or gas must propel the oil
energy is effected through "back pres
sure"