Surface Machinery and Methods for Oil-Well Pumping Page: 56
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56 SURFACE MACHINERY AND METHODS FOR OIL-WELL PUMPING.
the well is completed or before drilling into the sand, and the well
is then pumped on the beam. At wells drilled by standard tools,
that part of the drilling equipment which is essential to beam
pumping, the pulling of rods and tubing, and the cleaning of the
well is left in place and used as long as serviceable.
Wells that produce a great amount of water, and hence require
large tubing, and long and frequent pump strokes to produce the
maximum amount of fluid, are pumped on the beam. The author
recently saw an oil well at Augusta, Kans., pumping on the beam
and producing 1,400 barrels of water and 30 barrels of oil a day;
it used a 64-inch stroke and 3-inch tubing.
In the Kern River field, California, the general practice is to pump
a well on the beam during the first two or three years of its life,
because of the large amount of sand and the frequency of pulling.
Also, if there is much water, the well is left on the beam indefinitely,
as 35 to 40 two-foot strokes per minute are often necessary to handle
the production properly. Jack plants or powers can not be satisfac-
torily used under such conditions. Further, different wells require
widely different lengths and frequency of stroke, and these require-
ments can not be met by any system of group drive.
The deep wells in the Coyote Hills field, California, are pumped
on the beam after they cease flowing. One company, having 66 wells
there, has 10 flowing wells and 56 that are pumped on the beam from
depths ranging from 3,500 to 4,500 feet.
The standard type of equipment for pumping on the beam con-
sists of the walking beam, Samson post, pitman, and band wheel
which are used in drilling and are left in place to pump the well. A
steam, gas, or oil engine direct-connected by belt to the band wheel,
or an electric motor belt-connected through a counter shaft to give
the proper speed, is used for power.
The band-wheel house and the engine house are made either of
lumber with boards nailed on two by fours and two by sixes, or of
corrugated sheet iron on lumber framing. Plate IX, C, page 45,
shows a corrugated sheet-iron engine house and sheet-iron boxing
for the belt. The boxing replaces that part of the band-wheel house
used to house the belt connecting the engine with the band wheel.
This construction is used by the Ohio Oil Co. at Big Muddy, Wyo.,
chiefly as a means of preventing fire. Some fires originate in the
engine house and, if not discovered at once, rapidly spread to the
band-wheel house and derrick if the band-wheel house is of lumber.
It is good practice to cover the band-wheel house with corrugated
sheet iron, which is durable and fireproof. Often the destruction by
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George, H. C. Surface Machinery and Methods for Oil-Well Pumping, report, 1925; Washington D.C.. (digital.library.unt.edu/ark:/67531/metadc12407/m1/74/?rotate=270: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.