886 EXPLORATION GEOPHYSICS 



$3,000 to $5,000, depending upon the type of truck, the size of the tank, 

 and auxiHary items. 



In addition to the truck-mounted drilHng machine and the water truck, 

 the foHowing operating equipment and tools are recommended for average 

 dayhght operation.* 



OPERATING EQUIPMENT 



1 — lightweight water swivel with size "N" pin connection 



1 — ball bearing type hoisting plug with "N" pin connection 



200 ft. of 10' lengths size "N" seismograph type drill rods 



6 — 3" fishtail bits 



6—3^" fishtail bits 



6 — 4" fishtail bits 



2—AYz" fishtail bits 



1 — 75' length J/2" 6 x 37 extra pliable plow steel hoisting rope with safety hook 



1 — 20' length of 2J^" wire inserted suction hose with foot valve and connections 



1 — 25' length 1^4" wire- wound swivel hose with connections at both ends 



For KELLY OPERATION the following additional equipment is needed: 



1 — 14' length size "N" Kelly 



1 — top chuck assembly 



1 — Kelly drive plate assembly 



1 — L. H. bushing for water swivel to replace the R. H. bushing 



1—5' length "N" drill rod 



TOOLS 



1 — 18" rigid pipe wrench 



2 — 24" rigid pipe wrenches 



1 — 36" rigid pipe wrench 



1 — 12" crescent adjustable wrench 



1 — 8" crescent adjustable wrench 



3— Cold chisels, J4", J^", Ya" 



1 — 2/4" X 24" carpenter's wrecking bar 



2 — pipe tongs, 1" to 6" pipe 



1 — vise, 5" jaws, with fittings for mounting on drill truck 



1 — hacksaw with six blades 



3 — 12" files — flat smooth, half round second cut, round smooth 



1 — hand oil can, 1 pt. size 



2 — #2 round point shovels 



1 — long handle single bit axe 



1 — 7J/2" pick with handle 



1 — wire brush 



1 — set mud pump liner and seat pullers 



5 lbs. drill rod wicking 



The additional cost of these tools, drill rods and operating fittings is 

 approximately $1,200. 



* Tin hats and hard toe shoes should be provided. Also investigate local safety 

 and working regulations. 



