X0101 EFFECT 33 LIVE 2015-03-31 16:00:00

S-4

0001609253 California Resources Corp 333-202704 0001637859 California Resources Elk Hills, LLC 333-202704-15 0001637860 California Resources Long Beach, Inc. 333-202704-14 0001637861 California Resources Petroleum Corp 333-202704-13 0001637862 California Resources Production Corp 333-202704-12 0001637863 California Resources Tidelands, Inc. 333-202704-11 0001637864 California Resources Wilmington,LLC 333-202704-10 0001637938 CRC Construction Services, LLC 333-202704-09 0001637937 CRC Marketing, Inc. 333-202704-08 0001637936 CRC Services, LLC 333-202704-07 0001637935 Elk Hills Power, LLC 333-202704-06 0001637934 Socal Holding, LLC 333-202704-05 0001637933 Southern San Joaquin Production, Inc. 333-202704-04 0001637932 Thums Long Beach Co 333-202704-03 0001637923 Tidelands Oil Production Co 333-202704-02 0001637858 California Heavy Oil, Inc. 333-202704-01