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_ez91[4]="pioneer_natural_resources-ar2008_0005.htm~Form 10-K: Part I~Page0005~~~~pn_unique";
_ez91[5]="pioneer_natural_resources-ar2008_0006.htm~Form 10-K: Part I~Table of Contents~~~~pn_unique";
_ez91[6]="pioneer_natural_resources-ar2008_0007.htm~Form 10-K: Part I~Cautionary Statement Concerning Forward-Looking Statements~~~~pn_unique";
_ez91[7]="pioneer_natural_resources-ar2008_0008.htm~Form 10-K: Part I~Definitions of Certain Terms and Conventions Used Herein~~~~pn_unique";
_ez91[8]="pioneer_natural_resources-ar2008_0009.htm~Form 10-K: Part I~1. Business~~~~pn_unique";
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_ez91[15]="pioneer_natural_resources-ar2008_0016.htm~Form 10-K: Part I~1A. Risk Factors~~~~pn_unique";
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_ez91[23]="pioneer_natural_resources-ar2008_0024.htm~Form 10-K: Part I~1B. Unresolved Staff Comments~~~~pn_unique";
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_ez91[38]="pioneer_natural_resources-ar2008_0039.htm~Form 10-K: Part I~3. Legal Proceedings~~~~pn_unique";
_ez91[39]="pioneer_natural_resources-ar2008_0040.htm~Part II~5. Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities~~~~pn_unique";
_ez91[40]="pioneer_natural_resources-ar2008_0041.htm~Part II~6. Selected Financial Data~~~~pn_unique";
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_ez91[42]="pioneer_natural_resources-ar2008_0043.htm~Part II~7. Management's Discussion and Analysis of Financial Condition and Results of Operations of Operations~~~~pn_unique";
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_ez91[44]="pioneer_natural_resources-ar2008_0045.htm~Part II~Page0045~~~~pn_unique";
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_ez91[63]="pioneer_natural_resources-ar2008_0064.htm~Part II~7A. Quantitative and Qualitative Disclosures About Market Risk~~~~pn_unique";
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_ez91[65]="pioneer_natural_resources-ar2008_0066.htm~Part II~Page0066~~~~pn_unique";
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_ez91[69]="pioneer_natural_resources-ar2008_0070.htm~Part II~8. Financial Statements and Supplementary Data~~~~pn_unique";
_ez91[70]="pioneer_natural_resources-ar2008_0071.htm~Part II~- Report of Independent Registered Public Accounting Firm~~~~pn_unique";
_ez91[71]="pioneer_natural_resources-ar2008_0072.htm~Part II~- Consolidated Balance Sheets~~~~pn_unique";
_ez91[72]="pioneer_natural_resources-ar2008_0073.htm~Part II~Page0073~~~~pn_unique";
_ez91[73]="pioneer_natural_resources-ar2008_0074.htm~Part II~- Consolidated Statements of Operations~~~~pn_unique";
_ez91[74]="pioneer_natural_resources-ar2008_0075.htm~Part II~- Consolidated Statements of Stockholders' Equity~~~~pn_unique";
_ez91[75]="pioneer_natural_resources-ar2008_0076.htm~Part II~Page0076~~~~pn_unique";
_ez91[76]="pioneer_natural_resources-ar2008_0077.htm~Part II~- Consolidated Statements of Cash Flows~~~~pn_unique";
_ez91[77]="pioneer_natural_resources-ar2008_0078.htm~Part II~- Consolidated Statements of Comprehensive Income~~~~pn_unique";
_ez91[78]="pioneer_natural_resources-ar2008_0079.htm~Part II~- Notes to Consolidated Financial Statements~~~~pn_unique";
_ez91[79]="pioneer_natural_resources-ar2008_0080.htm~Part II~Page0080~~~~pn_unique";
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_ez91[110]="pioneer_natural_resources-ar2008_0111.htm~Part II~Page0111~~~~pn_unique";
_ez91[111]="pioneer_natural_resources-ar2008_0112.htm~Part II~Page0112~~~~pn_unique";
_ez91[112]="pioneer_natural_resources-ar2008_0113.htm~Part II~Page0113~~~~pn_unique";
_ez91[113]="pioneer_natural_resources-ar2008_0114.htm~Part II~Page0114~~~~pn_unique";
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_ez91[115]="pioneer_natural_resources-ar2008_0116.htm~Part II~Page0116~~~~pn_unique";
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_ez91[117]="pioneer_natural_resources-ar2008_0118.htm~Part II~Page0118~~~~pn_unique";
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_ez91[119]="pioneer_natural_resources-ar2008_0120.htm~Part II~Page0120~~~~pn_unique";
_ez91[120]="pioneer_natural_resources-ar2008_0121.htm~Part II~Page0121~~~~pn_unique";
_ez91[121]="pioneer_natural_resources-ar2008_0122.htm~Part II~Page0122~~~~pn_unique";
_ez91[122]="pioneer_natural_resources-ar2008_0123.htm~Part II~Page0123~~~~pn_unique";
_ez91[123]="pioneer_natural_resources-ar2008_0124.htm~Part II~Page0124~~~~pn_unique";
_ez91[124]="pioneer_natural_resources-ar2008_0125.htm~Part II~Page0125~~~~pn_unique";
_ez91[125]="pioneer_natural_resources-ar2008_0126.htm~Part II~- Unaudited Supplementary Information~~~~pn_unique";
_ez91[126]="pioneer_natural_resources-ar2008_0127.htm~Part II~Page0127~~~~pn_unique";
_ez91[127]="pioneer_natural_resources-ar2008_0128.htm~Part II~Page0128~~~~pn_unique";
_ez91[128]="pioneer_natural_resources-ar2008_0129.htm~Part II~Page0129~~~~pn_unique";
_ez91[129]="pioneer_natural_resources-ar2008_0130.htm~Part II~Page0130~~~~pn_unique";
_ez91[130]="pioneer_natural_resources-ar2008_0131.htm~Part II~Page0131~~~~pn_unique";
_ez91[131]="pioneer_natural_resources-ar2008_0132.htm~Part II~Page0132~~~~pn_unique";
_ez91[132]="pioneer_natural_resources-ar2008_0133.htm~Part II~9. Changes in and Disagreements With Accountants on Accounting and Financial Disclosure~~~~pn_unique";
_ez91[133]="pioneer_natural_resources-ar2008_0134.htm~Part II~Page0134~~~~pn_unique";
_ez91[134]="pioneer_natural_resources-ar2008_0135.htm~Part III~10. Directors, Executive Officers and Corporate Governance~~~~pn_unique";
_ez91[135]="pioneer_natural_resources-ar2008_0136.htm~Part IV~15. Exhibits, Financial Statement Schedules~~~~pn_unique";
_ez91[136]="pioneer_natural_resources-ar2008_0137.htm~Corporate Information~Stock Performance~~~~pn_unique";
_ez91[137]="pioneer_natural_resources-ar2008_0138.htm~Corporate Information~Shareholder Information~~~~pn_unique";
_ez91[138]="pioneer_natural_resources-ar2008_0139.htm~Corporate Information~Board of Directors & Officers~~~~pn_unique";
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