- Installing Left Hand Casing

INSTALLING LEFT HAND CASING with DOUBLE ROTARY DRIVE

For GM 840 geothermal rig 

 Package description:

Pipe, casing, tolls and accessories for geothermal drilling through overburden. For use with Geothermal rig equipped with an integrated dual-head rotary system. Counter-clockwise operation of the Casing and Drilling Rod Gears. Drilling through any ground conditions. Left handed, Threaded and Retrievable Casing.

 The Package Consumable Cost:

 Estimated DTH bit Life 2,000
 Estimated DTH Hammer Life 12,000
 Estimated Drill Pipe Life  80,000
 Number of Drill Tube Used 30
 Estimated Casing Life 60000
 Number of Casing Used 15
 Bit Cost $615.00
 DTH Hammer $3,500.00
 Drill Tube Cost 10 feet x 27/8" dia. (each) $269.00
 Casing cost 10 feet x 51/2" dia (each) $280.00
 Bit Cost ( x foot)   $0.23
 DTH Hammer Cost ( x foot) $0.22
 Drill Steel  Cost ( x foot) $0.10
 Casing cost ( x foot) $0.07
 The Package Consumable Cost per foot $0.78
 The Package Consumable Cost per hour: $672.2

  Package Configuration:

 An adapter, from Rotary Inner tube drive to Geothermal rod (pls specify your rotary head saver sub thread for inner rod), qty – 2
 An adapter, from Rotary Casing drive to Casing (pls specify your rotary head saver sub thread for casing), qty – 2
 Inner tube Double Start 10 ft length, qty – 30
 Inner tube Double Start 5 ft length, qty – 2
 Inner tube to DTH hammer adapter, qty – 2
 DTH hammer, qty – 2
 DTH bit, for soft and medium soft formation qty – 1
 DTH bit, for medium and medium hard formation qty – 3
 DTH bit, for hard and very hard formation qty – 3
 Casing Left Hand Double Start 10 ft length, qty – 15
 Casing Left Hand Double Start 5 ft length, qty – 5
 Casing Left Hand Double Start 2 ft length, qty – 3
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