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Wamsutter Reclamation – Field Trip Preview

Wamsutter Reclamation – Field Trip Preview. June 3, 2013. Today’s Discussion. Background on the Wamsutter Field Reclamation Challenges Ecology Soils – The Foundation for Reclamation Plant Communities Land Use Conference Field Trip. Wamsutter Field. 1700 Square Miles (1,100,000)

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Wamsutter Reclamation – Field Trip Preview

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  1. Wamsutter Reclamation – Field Trip Preview June 3, 2013

  2. Today’s Discussion • Background on the Wamsutter Field • Reclamation Challenges • Ecology • Soils – The Foundation for Reclamation • Plant Communities • Land Use • Conference Field Trip

  3. Wamsutter Field • 1700 Square Miles (1,100,000) • 5000+ Natural Gas Wells • Tight Gas • Discovered in 1950s • Estimated 50 TCF of Natural Gas • BP, Devon, Anadarko, 50 more

  4. KC Harvey Wamsutter Reclamation Program(Began 2007) • Reclamation Science and Monitoring • Soils, Plants, Weeds, Water, Range • Implementation • Seeding • Amendments • Weed Control • Fencing • Stormwater BMPs

  5. Wamsutter Area • 2000 Well pads • Pipelines • Other Facilities

  6. Regulatory Requirements • Rawlins Field Office RMP (2008) • Wyoming BLM Reclamation Policy (2009) • Rawlins BLM Field Office Reclamation Guidance (2011) • Pre-construction soil salvage • Construction • Monitoring • Reclamation Success Criteria

  7. Wamsutter Area Reclamation Challenges • Limited Precipitation • 7-9 inches/year • Limited Soils • Thin, rocky, sandy, calcareous • Saline or Sodic soil chemistry • Invasive Weeds • Halogeton, Russian Thistle, others • Grazing

  8. Climate

  9. Soils – Foundation for Reclamation • Limited Soil Resources • Soil Chemistry Degrades with Depth • Without Good Soil Management, Reclamation will not be Successful

  10. Soils – Wamsutter Field • Limited Soil Resources • Thin, rocky, sandy, calcareous • Saline or Sodic soil chemistry • 50% suitable soils • 30% saline soils (High total Salts Ca, Mg, Na) • 20% sodic soils (High Na)

  11. Pre-Construction Assessment • Sagebrush and saltbush communities A B

  12. Case Study 2

  13. Invasive Plants • Monitoring • Seeding • Herbicide • Mechanical control • Data management and reporting

  14. Grazing • Wildlife and Livestock • Larger Impact During Drought

  15. Correlation of Soil Chemistry and Plant Community • Sagebrush, grass • Suitable soils • Grass, saltbush, sagebrush • Slightly-Moderately Saline soils • Saltbush, Grass • Saline (or sodic) soils • Greasewood • Sodic, (or saline/sodic) Suitability for Plant Growth

  16. Correlation of Surface Soil Chemistry and Plant Community

  17. Correlation of Surface Soil Chemistry and ESD

  18. Vegetation

  19. Soil SAR

  20. Field Trip Route

  21. Field Wide Reclamation Approach

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