EXHIBIT 21.1
SUBSIDIARIES OF THE COMPANY
State or Jurisdiction
of Organization Subsidiaries
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Canada 405704 Alberta Ltd.
Canada 711841 Alberta Ltd.
Australia Antenor P/L
Switzerland Aredor Distribution Company Ltd.
Australia Aredor Holdings Ltd.
Australia Aredor Sales P/L
Australia Bridge Coal P/L
Australia Bridge Energy NSW P/L
Australia Bridge Exploration NSW P/L
Australia Bridge Minerals P/L
Australia Bridge Oil Australia Pty Ltd.
Australia Bridge Oil Neuquen Basin P/L
Netherlands Antilles Bridge Oil Overseas N.V.
Australia Bridge Oil Services (Overseas) P/L
Delaware Bridge Oil (U.S.A.) Inc.
Australia Bridge Oil ZOCA 91-13 P/L
Australia Bridge Resources NSW P/L
Texas BSE Properties, Inc.
Bermuda CR International Limited
Australia Cyprienne P/L
Delaware DMLP Co.
Delaware Doram Energy, Inc.
Texas Dorchester Gas Systems, Inc.
Texas Dorchester Intrastate Gas Systems, L.P.
Australia Edland P/L
Delaware Hugoton Capital Corporation
Delaware LTP Investments, Inc.
Delaware Mesa Capital Corporation
Delaware Mesa Environmental Ventures Co.
Texas Mesa Offshore Royalty Partnership
Delaware Mesa Transmission Co.
Delaware P&PCanada LP Co.
Delaware Parker & Parsley Argentina, Inc.
Canada Parker & Parsley (Canada) Petroleum Company
Turks and Caicos Islands Parker & Parsley Capital LLC
Delaware Parker & Parsley Energy Trading Company
Delaware Parker & Parsley Gas Processing Co.
Cayman Islands Parker & Parsley International Holdings, Ltd.
Australia Parker & Parsley Petroleum Australia
Holdings Pty Limited
Australia Parker & Parsley Petroleum Australia Pty Limited
Texas Parker & Parsley Scholarship Foundation
New York Parker & Parsley Transfer Agent Corporation
Texas Parsley Petroleum Company
Delaware Pioneer Holding Inc.
Delaware Pioneer International Resources Company
Texas Pioneer Natural Gas Company
Argentina Pioneer Natural Resources (Argentina) S.A.
State or Jurisdiction
of Organization Subsidiaries
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Canada Pioneer Natural Resources Canada Inc.
Canada Pioneer Natural Resources (Canada) Ltd.
Cayman Islands Pioneer Natural Resources (Cayman) Ltd.
Delaware Pioneer Natural Resources (GPC) Inc.
Cayman Islands Pioneer Natural Resources Guatemala Ltd.
Canada Pioneer Natural Resources (ND) Holdings Inc.
Argentina Pioneer Natural Resources (Tierra Del Fuego) S.A.
Delaware Pioneer Natural Resources USA, Inc.
Delaware Pioneer NGLs (USA) Inc.
Canada Pioneer Petroleum (TRI) Ltd.
Delaware Pioneer Pipelines (USA) Inc.
Texas Pioneer Production Corporation International
Delaware Pioneer Resources Inc.
Bahamas Pioneer Resources Africa, Ltd.
Bahamas Pioneer Resources Gabon - Olowi Ltd.
Delaware Pioneer Resources (ND) Inc.
Delaware Pioneer Resources Producing L.P.
Texas Pioneer Uravan, Inc.
Delaware PNR Resources (USA) Inc.
Canada PNRC Oil & Gas Ltd.
Texas PNRC Properties L.P.
Delaware Rosamond Drilling Company, Inc.
Pennsylvania Three Rivers Pipeline Business Trust
Delaware Westpan NGL Co.
Partnerships that Pioneer Natural Resources
USA, Inc.is the managing general partner
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Texas Parker & Parsley 81-I, Ltd.
Texas Parker & Parsley 81-II, Ltd.
Texas Parker & Parsley 82-I, Ltd.
Texas Parker & Parsley 82-II, Ltd.
Texas Parker & Parsley 82-III, Ltd.
Texas Parker & Parsley 83-A, Ltd.
Texas Parker & Parsley 83-B, Ltd.
Texas Parker & Parsley 84-A, Ltd.
Texas Parker & Parsley 85-A, Ltd.
Texas Parker & Parsley 85-B, Ltd.
Texas Parker & Parsley Private Investment 85-A Ltd.
Texas Parker & Parsley Selected 85 Private
Investment, Ltd.
Texas Parker & Parsley 86-A, Ltd.
Texas Parker & Parsley 86-B, Ltd.
Texas Parker & Parsley 86-C, Ltd.
Texas Parker & Parsley Private Investment 86, Ltd.
Delaware Parker & Parsley 87-A, Ltd.
Delaware Parker & Parsley 87-B, Ltd.
Delaware Parker & Parsley 87-A Conv., Ltd.
Delaware Parker & Parsley 87-B Conv., Ltd.
Delaware Parker & Parsley Private Investment 87, Ltd.
State or Jurisdiction
of Organization Subsidiaries
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Delaware Parker & Parsley Producing Properties 87-A, Ltd.
Delaware Parker & Parsley Producing Properties 87-B, Ltd.
Delaware Parker & Parsley 88-A, L.P.
Delaware Parker & Parsley 88-B, L.P.
Delaware Parker & Parsley 88-C, L.P.
Delaware Parker & Parsley 88-A Conv., L.P.
Delaware Parker & Parsley 88-B Conv., L.P.
Delaware Parker & Parsley 88-C Conv., L.P.
Delaware Parker & Parsley Private Investment 88, L.P.
Delaware Parker & Parsley Producing Properties 88-A, L.P.
Delaware Parker & Parsley 89-A, L.P.
Delaware Parker & Parsley 89-B, L.P.
Texas Parker & Parsley 89-A Conv., L.P.
Texas Parker & Parsley 89-B Conv., L.P.
Texas P&P Employees 89-A Conv., L.P.
Texas P&P Employees 89-B Conv., L.P.
Delaware Parker & Parsley Private Investment 89, L.P.
Texas P&P Employees Private Investment 89, L.P.
Delaware Parker & Parsley 90-A Conv., L.P.
Delaware Parker & Parsley 90-B Conv., L.P.
Delaware Parker & Parsley 90-C Conv., L.P.
Delaware Parker & Parsley 90-A, L.P.
Delaware Parker & Parsley 90-B, L.P.
Delaware Parker & Parsley 90-C, L.P.
Texas P&P Employees 90-A Conv., L.P.
Texas P&P Employees 90-B Conv., L.P.
Texas P&P Employees 90-C Conv., L.P.
Delaware Parker & Parsley Private Investment 90
Conv., L.P.
Texas P&P Employees Private Investment 90 Conv., L.P.
Delaware Parker & Parsley 90 Spraberry Private
Development Conv., L.P.
Texas P&P Employees 90 Spraberry Private
Development L.P.
Delaware Parker & Parsley 91-A, L.P.
Delaware Parker & Parsley 91-B, L.P.
Delaware Parker & Parsley 91-A Conv., L.P.
Delaware Parker & Parsley 91-B Conv., L.P.
Texas P&P Employees 91-A G.P.
Texas P&P Employees 91-B G.P.
Texas Parker & Parsley 1992 Direct Investment
Program, Ltd.
Texas Parker & Parsley 1993 Direct Investment
Program, Ltd.
Texas Parker & Parsley 1994 Direct Investment
Program, Ltd.
Texas Midkiff Development Drilling Program, Ltd.