| 41. | Underwater wellheads were traditionally more difficult and costly to maintain than wellheads on platforms above the water.
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| 42. | Underwater wellheads were traditionally more difficult and costly to maintain than wellheads on platforms above the water.
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| 43. | Those and larger fake rocks are sometimes used to cover up wellheads and such in suburban yards.
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| 44. | The wellhead apparently cracked and exploded, sending a large pipe to the surface, she said.
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| 45. | Land and subsea BOPs are secured to the top of the wellbore, known as the wellhead.
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| 46. | After blowing out the fire, the wellhead must be capped to stop the flow of oil.
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| 47. | Locating multiple wellheads within a single glory hole is made possible by the use of directional drilling.
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| 48. | An annular blowout preventer is a large valve that uses a wedge to seal off a wellhead.
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| 49. | On 24 April, USCG Rear Admiral Mary Landry announced that a damaged wellhead was indeed leaking.
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| 50. | The rest of its revenue comes from sales of equipment used for treating crude oil at the wellhead.
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