| 11. | Aqueous extracts of contaminated soils, drilling muds, and sludge.
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| 12. | The 36 workers aboard the platform pumped heavy drilling mud into the leaking injection well.
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| 13. | In addition the division also markets Shell Saraline drilling mud-based oil and advanced composite pipes.
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| 14. | Drilling muds used in geotechnical applications can be thixotropic.
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| 15. | Also, the hole is filled with drilling mud to help prevent the migration of fluids.
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| 16. | In the oil industry, xanthan gum is used in large quantities, usually to thicken drilling mud.
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| 17. | The Minerals Management Service researchers attributed virtually all the mercury contamination they recorded to drilling muds.
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| 18. | Drilling mud, injected to remove cuttings, leaked into the underground water and emerged in the creek.
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| 19. | One study found that some drilling muds, while not toxic, can cause claw deformities in spiny lobsters.
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| 20. | Research has shown that sediment disturbance and drilling muds can inhibit the growth of seagrasses and corals.
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