X0101 EFFECT 33 LIVE 2018-04-13 14:00:00

S-4

0001141129 SESI LLC 333-223256 0000886835 SUPERIOR ENERGY SERVICES INC 333-223256-16 0001141112 1105 PETERS ROAD LLC 333-223256-15 0001399128 Complete Energy Services, Inc. 333-223256-14 0001141114 CONNECTION TECHNOLOGY LLC 333-223256-13 0001395616 CSI Technologies, LLC 333-223256-12 0001141119 H B RENTALS LC 333-223256-11 0001141121 INTERNATIONAL SNUBBING SERVICES LLC 333-223256-10 0001399148 Pumpco Energy Services, Inc. 333-223256-09 0001544582 SPN Well Services, Inc. 333-223256-08 0001141130 STABIL DRILL SPECIALTIES LLC 333-223256-07 0001141132 SUPERIOR ENERGY SERVICES LLC 333-223256-06 0001395621 Superior Inspection Services LLC 333-223256-05 0000839871 Warrior Energy Services CORP 333-223256-04 0001143871 WILD WELL CONTROL INC 333-223256-03 0001395623 Workstrings International, L.L.C. 333-223256-02 0001340041 Superior Energy Services-North America Services, Inc 333-223256-01