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Essay

Drilling advances

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Issue:

Business

 

Written by:

Reinaldo G

 

Date added:

October 31, 2015

 

Level:

University

 

Grade:

A

 

No of pages / words:

4 / 1117

 

Was viewed:

7142 times

 

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Essay content:

I remembered seeing a similar machine somewhere in an old photograph. Sure enough, a quick check of an old water-well, cable-tool rig, similar to the ones my grandfather used in the early 1900s, confirmed that the power-conversion system was almost identical to that of the thresher. I then went back to a photo album, which I had assembled during high school, of antique pumping equipment in the Texas Panhandle...
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Again, an ancient steam engine was connected to a large wooden band wheel by a fabric belt. The band wheel had a crank that was connected by a stiff arm to a horizontal wooden beam that pivoted at its center. The other end of this "walking beam" connected to wooden sucker rods in the well. As the band wheel turned, the walking beam rocked up and down, providing reciprocating vertical motion to pump the shallow oil well...
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