F. Shutdown of drilling facilities 



1. Successful well - assume Christmas tree standing (10-14 days) 



a. Nonmarine sites 

 1) Upland roads 



a) Fill potholes 



b) Shore up weak areas 

 (or) 2) Marsh-fill roads 



a) Fill holes with shel 1 



b) Replace broken boards 



3) Vehicle and equipment removal - see steps II.D.l.b 



4) Fill cellar 



5) Fill burn pit 



6) Fill mousehole, rathole 



7) Dispose of drilling mud 



(a) Spread over ground, dry, plow or disc under 



(b) Bury fluid 



(c) Remove and haul away 



(d) Allow to dry in pit 



8) If water storage and reserve pits lined, remove lining 

 and haul away 



9) Haul away tailings that cannot be buried 



10) Fill in water storage pit and reserve pit 



11) In marsh location remove board surface in well site 

 except for area needed for production facilities 



12) Upland site, grade or level surface not used in pro- 

 duction - plant native vegetation if necessary 



b. Marine sites - assume Christmas tree standing (4-7 days) 



1) Check canal depth and deepen shallow spots 



2) Pump out barge with rig 



3) Remove drill pipe barges, casing barges, mud barges 



4) Remove floating rig 



5) Dispose of mud or use elsewhere 



2. Unsuccessful well (10-14 days) 



a. Nonmarine sites (assume capped below land surface) 



1) Steps II.F.l.a.l - II. F. La. 10 as necessary 



2) In marsh location 



(a) Remove all boards from marsh surface 



(b) Possibly knock down or open levee and refill 

 borrow pits with levee material 



3) Upland - grade over entire pad surface, level and 

 revegetate if necessary. 



b. Marine sites - assume capped below land surface (7-10 days) 



1) Steps II.F.l.b.l to II.F.l.b.5 



2) Remove pilings in keyway 



3) Possibly place semipermanent dike across canal (earthen, 

 earth-piling, earth bulkhead) 



(a) Enter dragline on barge 



(b) Excavate material from levee, canal bottom or 

 other spoil sites 



(c) Dump into canal 



d) Drive piles and place retainer boards, or 



e) Drive metal retainers and piles. 



427 



