Simple mining well placement program

-- Mining well program

-- Should have 200 fuel at least...
forward = 0
startingfuel = turtle.getFuelLevel()
numconduit = 30

term.clear()
print("Turtle fuel:")
print(startingfuel)

if (startingfuel<200) then
   print("Low on fuel! (should have at least 200)")
   return
end

-- rednet.open("right") --enable modem on the right side of the PC

print("---------------------")
print("Start to the right of a powered conduit, mining well slot 1, ender chest in slot 2, ".. numconduit .." energy conduit slot 3")
print("---------------------")

--rednet.broadcast("-----------------")
--rednet.broadcast("Starting - fuel: ".. startingfuel)


function digAndPlaceConduit()
   turtle.dig()
   turtle.forward()
   turtle.digUp()
   turtle.turnLeft()
   turtle.dig()
   -- place conduit
   turtle.place()
   turtle.up()
   turtle.dig()
   turtle.down()
   turtle.turnRight()
end

function emptyInventory()
   for n=0,15 do
      turtle.select(n+1)
      turtle.drop()
   end
   turtle.select(1)
end

function placeMiningWell()
   -- ender chest first
   turtle.up()
   turtle.select(2)
   turtle.place()
   turtle.down()
   turtle.select(1)
   turtle.place()
   sleep(6)
   turtle.up()
   -- Empty into the ender chest first
   emptyInventory()
   turtle.down()
   turtle.dig()
   turtle.up()
   turtle.dig()
   turtle.down()
   turtle.forward()
   forward = forward+1
end

function cleanUpConduit()
   turtle.turnLeft()
   turtle.dig()
   turtle.turnRight()
   turtle.back()
end

turtle.select(3)

for n=0,numconduit-1 do
   digAndPlaceConduit()
end

for n=0,numconduit-1 do
   turtle.back()
end

for n=0,numconduit-1 do
   placeMiningWell()
end

for n=0,numconduit-1 do
   cleanUpConduit()
end