EX-21.1 5 d13417exv21w1.txt LIST OF SUBSIDIARIES . . . EXHIBIT 21.1 SUPERIOR ENERGY SERVICES, INC. LIST OF SUBSIDIARIES*
STATE OF JURISDICTION OF NAME INCORPORATION OR ORGANIZATION ---- ----------------------------- 1105 Peters Road, L.L.C. Louisiana Ace Rental Tools, L.L.C. Louisiana Blowout Tools, Inc. Texas Concentric Pipe and Tool Rentals, L.L.C. Louisiana Connection Technology, L.L.C. Louisiana Drilling Logistics, L.L.C. Louisiana Environmental Treatment Team, L.L.C. Louisiana F & F Wireline Services, L.L.C. Louisiana Fastorq, L.L.C. Louisiana H.B Rentals, L.C. Louisiana Imperial Snubbing Services, Ltd. Trinidad/Tobago International Snubbing Services, L.L.C. Louisiana Lamb Energy Services, L.L.C. Delaware Non-Magnetic Rental Tools, L.L.C. Louisiana Oil Stop, L.L.C. Louisiana Premier Oilfield Services Limited Scotland Production Management Industries, L.L.C. Louisiana SPN Resources, LLC Louisiana Southeast Australian Services Pty., Ltd. Australia Stabil Drill Specialties, L.L.C. Louisiana Stabil Drill (UK) Limited Scotland Sub-Surface Tools, L.L.C. Louisiana Superior Energy Services, L.L.C. Louisiana
Tong Specialty, L.L.C. Louisiana Wild Well Control, Inc. Texas Workstrings, L.L.C. Louisiana
---------- * Names of particular subsidiaries have been omitted from the above list because, considered in the aggregate, they would not constitute, as of the end of the year covered by this report, a "significant subsidiary" as that term is defined in Rule 1.02(w) of Regulation S-X under the Securities Exchange Act of 1934.