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Equipment in Gas Drilling Systems 113

line is equipped with primary and secondary jets to allow the safe venting
of the top of the wellhead when the well is producing natural gas or
other dangerous gases. They are also useful for cleaning the drill cuttings
in the blooey line.
Another piece of equipment at the surface is the rotating head,
or diverter, which is installed upstream of the blooey line (Figure 5.7).

Sample
Primary Jet Catcher Flange Going
De Duster To Fluids
Gas Sniffer
Pilot
Light Reserve Pit Wall Secondary Jet
30' Rotating
Burn Pit 1" Water Line Head
from Water Pump
Reserve Pits 2" Air Line from
30' Steel Pits Standpipe
2" Air Line Manifold
from Optional
Standpipe Hook Up
Manifold Reserve Pits for Mud

100'
Figure 5.6 A blooey line layout in a gas drilling system.

Figure 5.7 A rotating head in a gas drilling system.