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A FISCHER-TROPSCH METHOD FOR OFFSHORE PRODUCTION RISERS FOR OIL AND GAS WELLS
A FISCHER-TROPSCH METHOD FOR OFFSHORE PRODUCTION RISERS FOR OIL AND GAS WELLS
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机译:油气井近海增产的FISCHER-TROPSCH方法
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摘要
A method and an apparatus are disclosed that use a gas lift tubing arrangement to produce synthetic hydrocarbon related products. Using the Fischer Tropsch process as an example, the tubing is packed with a suitable catalyst and then hydrogen and carbon monoxide are injected into the top of the tubing in a fashion similar to a gas lift process. As the gases travel past the catalyst, synthetic hydrocarbons are formed and heat is produced. The synthetic hydrocarbons and water flow out of the bottom of the tubing and travel up the annulus to the surface. In some embodiments, this process is carried out in a producing well or a in producing riser. In a producing well or a producing riser, the production from the well which flows up the annulus cools the synthetic hydrocarbon derived products. In additional and alternate embodiments, this process can be used in non-flowing wells.
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