Restored drill cuttings for wetlands creation: Results of a two year mesocosm approach to emulate field conditions under varying hydrologic regimes

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It is well documented that Louisiana has the highest rate of wetland loss in the United States. Deep-water channel dredging and leveeing of the Mississippi River since the 1930s have interrupted the natural delta cycle that builds new marshes through sediment deposition. Many of the areas that are subsiding and deteriorating are isolated from riverine sediment sources; therefore alternative methods to deposit sediment and build marshes must be implemented. This project demonstrates that the earthen materials produced when drilling oil and gas wells can be used as a suitable substrate for growing wetland plants. Drilling fluids (muds) are used to ... continued below

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84 p.

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Shaffer, G.P.; Hester, M.W.; Miller, S.; DesRoches, D.J.; Souther, R.F.; Childers, G.W. et al. November 1, 1998.

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Description

It is well documented that Louisiana has the highest rate of wetland loss in the United States. Deep-water channel dredging and leveeing of the Mississippi River since the 1930s have interrupted the natural delta cycle that builds new marshes through sediment deposition. Many of the areas that are subsiding and deteriorating are isolated from riverine sediment sources; therefore alternative methods to deposit sediment and build marshes must be implemented. This project demonstrates that the earthen materials produced when drilling oil and gas wells can be used as a suitable substrate for growing wetland plants. Drilling fluids (muds) are used to lubricate drill bits and stabilize the earth around drill holes and become commingled with the earthen cuttings. Two processes have been reported to restore drill cuttings to acceptable levels by removal of any toxic components found in drilling muds. The main objective of this project was to assess the potential of drill cuttings processed by these two methods in terms of their ability to support wetland vegetation and potential toxicity.

Physical Description

84 p.

Notes

OSTI as DE98000548

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  • Other Information: PBD: Nov 1998

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  • Other: DE98000548
  • Report No.: DOE/BC/14849--3
  • Grant Number: FG22-97BC14849
  • DOI: 10.2172/296878 | External Link
  • Office of Scientific & Technical Information Report Number: 296878
  • Archival Resource Key: ark:/67531/metadc687884

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  • November 1, 1998

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  • July 25, 2015, 2:20 a.m.

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  • Nov. 10, 2015, 9:24 p.m.

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Shaffer, G.P.; Hester, M.W.; Miller, S.; DesRoches, D.J.; Souther, R.F.; Childers, G.W. et al. Restored drill cuttings for wetlands creation: Results of a two year mesocosm approach to emulate field conditions under varying hydrologic regimes, report, November 1, 1998; United States. (digital.library.unt.edu/ark:/67531/metadc687884/: accessed June 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.