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Making It Big Around Marshall


Shale oil has doubled production in Oklahoma, since it began in 2010. Production is now around 320,000 barrels a day. Oklahoma’s production is growing faster than any other state except for Texas and North Dakota.


Oil and gas production is responsible for Cimar- ron Electric’s tremendous growth over the past few years. Because of that growth, we are constantly building and upgrading services.


One such project is underway in the Marshall area. The east circuit out of the Marshall substation is in the process of being upgraded. Six miles are being upgraded from # 4/0 conductor to much bigger 477 mcm conductor (wire). An additional five miles are being upgraded from #1/0 to the 477 mcm wire.


Linemen prepare to make a pole change out along Hwy. 74, E. of Marshall. They will change out pole with the lines remaining energized (hot).


Almost all poles are being replaced as well as the hardware they carry. The right-of-way has been cleared and most of the new black creosote poles have been set. Creosote poles are back and new fiberglass cross arms have replaced wooden ones. The new conductor will soon be pulled. The work is mostly being done hot (energized) with the old conductor (wire) riding on temporary cross arms and insulators until the new bigger wire is pulled.


Director of Warehousing, Lance Cue, and Superinten- dent of Operations & Engineering, Ron Pennington, show how much bigger the wire will be by showing a small 1/0 and a much bigger 477 splicing sleeve.


The old line was energized at 7,200 volts. It had a step down transformer out of the substation. It is now going to be 14,400 volts with the capacity to serve much more growth in oil field service than before. If you are up in the Marshall area, please slow down and watch for the utility workers on the Marshall blacktop and north on Highway 74.


Sr. V.P. of Operations and Engineering, Reed Emer- son, stands beside spools of 477 conductor (wire). Eleven miles of the 3-phase wire will be pulled.


The new pole is being set with the “hot” lines being pulled up and away. After pole is lined up plumb, and tamped into position, the lines will be tied on to insulators on the temporary cross arm.


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