a. Placement of poles, or 



b. Placement of conduit 



c. Pulling or hanging wire 



5. Possible placement of surface or shallow natural gas lines (4-7 

 days) 



a. Equipment entry 



b. Clearing of line route 



c. Ditch if necessary or use plow 



d. Placement of pipe on land surface between wellhead and 

 location site, fill if necessary, or pass tractor over 

 plowhole 



e. Excavation under road or placement over ditches, streams, 

 etc. 



D. Equipment placement 



1. Nonmarine sites 



a. Repair, strengthening, or shoring up roadway at any time 

 associated with vehicular traffic 



1) Upland roads (2-5 days) 



a) Filling of potholes and resurfacing 



b) Excavation and replacement of broken conduit 



2) Marsh-fill roads (2-5 days) 



a) Filling holes with shell 



b) Replacement of boards 



c) Possible application of shell over boards 



b. Entry of vehicles with equipment and supplies (4-5 days) 



1) Portable rig 



2) Power plants and power train 



3) Drill pipe 



4) Well casing, conductor pipe 



5) Settling and sump pits (steel), pumps, shaker tables, 

 dry mud, hopper 



6) Miscellaneous tanks, storage sheds 



7) Trailers for crew, driller, mud services 



8) Blowout preventer 



2. Marine sites (2-3 days) 



a. Enter rig on barge pushed by tow vessel 



b. Pump ballast water into barge to sink to bottom 



c. Drive spuds, or pile keyway to hold barge in place 



d. Enter supply vessels, barges with pipe and casing, and mud 

 barges - frequent boat traffic 



E. Drilling the well (30-90 days) 



1. Vehicle movement 



a. Crew change e^ery 8 hr 



b. Supply vehicles 



c. Service vehicles - vacuum trucks, logging vehicles, cement- 

 ing trucks, perforator truck, acid trucks, high pressure 

 pump trucks 



2. Air quality maintenance 



a. Air drilling 



1) Liquid scrubbers, sprinklers at blooey line discharge 



2) Enlarge or make pits remote 



b. Gas drilling 



1) Liquid scrubbers, sprinkler at blooey line discharge 



425 



