EXHIBIT 21

SUBSIDIARIES OF THE REGISTRANT

Consolidated Subsidiaries of the Registrant (Jurisdiction of incorporation):

 

Parker North America Operations, Inc. (Nevada) (3)

     100

Parker Drilling Arctic Operating Inc. (Delaware)

     100

Parker Drilling International Holding Company LLC (Delaware) (1)

     100

Parker Drilling Management Services, Inc. (Nevada) (4)

     100

Certain subsidiaries have been omitted from the list since they would not, even if considered in the aggregate, constitute a significant subsidiary. All subsidiaries are included in the consolidated financial statements.

 

(1) Parker Drilling International Holding Company owns 64.8% of Parker Drilling Eurasia, Inc. (Delaware)

 

(2) Parker North America Operations, Inc. owns 100% of Parker Drilling Company North America, Inc. (Nevada); Parker USA Drilling Company (Nevada) and Parker Drilling Offshore Corporation (Nevada).*

 

  * Parker Drilling Offshore Corporation owns 100% of the following entities:

 

   

Mallard Argentine Holdings, Ltd. (Cayman Islands)

 

   

Mallard Drilling of South America, Inc. (Cayman Islands)

 

   

Mallard Drilling of Venezuela, Inc. (Cayman Islands)

 

   

Parker Drilling Offshore International, Inc. (formerly Mallard Drilling International, Inc.)(Cayman Islands), which owns 100% of Parker Drilling (Nigeria) Limited (Nigeria) and 100% of KDN Drilling Limited (Nigeria).

 

   

Parker Drilling Offshore USA, L.L.C. (Oklahoma), which owns 100% of Parker Drilling Company of Mexico, LLC (Nevada), 98% of Parker Drilling de Mexico, SRL (Mexico), 2% of PD Servicios Integrales, SRL (Mexico) and 100% of Parker Enex, LLC (Delaware).

 

   

Parker Technology, L.L.C. (Louisiana)

 

   

Parker Tools, LLC (Oklahoma), which owns 99% of Quail Tools, L.P. (formerly Quail Tools, L.L.P.) (Oklahoma).

 

   

Quail USA, LLC (Oklahoma), which owns 1% of Quail Tools, L.P. (formerly Quail Tools, L.L.P.) (Oklahoma).


SUBSIDIARIES OF THE REGISTRANT (continued)

 

  * Parker Drilling Offshore Corporation owns 98% of PD Servicios Integrales, SRL (Mexico).

 

  * Parker Drilling Offshore Corporation owns 2% of Parker Drilling de Mexico, SRL (Mexico).

 

  * Parker Drilling Offshore Corporation owns 35.2% of Parker Drilling Eurasia, Inc. (Delaware), which owns 100% of Parker Drilling Company International Limited (Nevada), 100% of Parker Drilling Company Eastern Hemisphere, Ltd. Co. (Oklahoma), 100% of Parker Drillserv, LLC (Delaware), 100% of Parker Drilltech, LLC (Delaware) and 99.96% of PD Offshore Holdings C.V. (Netherlands) which owns 100% of Parker 3source, LLC (Delaware) and 99.97% of PD Selective Holdings C.V. (Netherlands) which owns 100% of the following entities:

 

   

Parker Drillex, LLC (Delaware)

 

   

Parker Drilling AME Limited (Cayman Islands)

 

   

Parker Drilling Company of New Guinea, LLC (Delaware)

 

   

Parker Drilling Company of Sakhalin (Russia)

 

   

Parker Drilling Company of Singapore, LLC (Delaware)

 

   

Parker Drilling Netherlands B.V. (Netherlands), which owns 100% of Parker Drilling International B.V. (Netherlands), 100% of Parker Drilling Kazakhstan B.V. (Netherlands), 100% of Parker Drilling Russia B.V. (Netherlands), 100% of Parker Drilling Overseas B.V. (Netherlands), 100% of Primorsky Drill Rig Services BV (Netherlands)

 

   

Parker Drillsource, LLC (Delaware)

 

   

Parker Drilling Company Kuwait Limited (Bahamas)

 

   

PD Labor Sourcing, Ltd. (Cayman Islands)

 

   

PD Personnel Services, Ltd. (Cayman Islands)

 

   

Parker Singapore Rig Holding Pte. Ltd. (Singapore)

 

  * Parker Drilling Offshore Corporation owns 26% of Parker Drilling Pacific Rim, Inc. (Delaware), which owns 100% of Parker Rigsource, LLC (Delaware) and 99.88% of PD International Holdings C.V. (Netherlands) which owns 100% of Parker 5272, LLC (Delaware) and 99.96% of PD Dutch Holdings C.V. (Netherlands) which owns 100% of the following entities:

 

   

Parker Drilling (Kazakhstan), LLC (Delaware), which owns 100% of Parker Central Europe Rig Holdings LLC (Hungary) and 100% of Aral Parker CJSJ (Kazakhstan)

 

   

Parker Drilling Company International, LLC (Delaware), which owns 50% of Parker SMNG Drilling LLC (Russia)

 

   

Parker Drilling Company of New Zealand Limited (New Zealand)

 

   

Parker Drilling Dutch B.V. (Netherlands), which owns 100% of Parker Drilling Offshore B.V. (Netherlands) and 50% of SaiPar Drilling Co. BV (Netherlands)

 

   

Parker Drilling International of New Zealand Limited (New Zealand)

 

(3) Parker Drilling Management Services, Inc. owns 1% of PD Management Resources, L.P., and 100% of Parker USA Resources, LLC, which owns 99% of PD Management Resources, L.P.**

 

  ** PD Management Resources, L.P. and Parker USA Resources, LLC were merged into Parker Drilling Management Services, Inc. effective December 31, 2012 at 11:59 p.m.