Aliso Viejo, CA, United States
Aliso Viejo, CA, United States

Fluor Corporation is a multinational engineering and construction firm headquartered in Irving, Texas. It is a holding company that provides services through its subsidiaries in four areas: energy and chemicals, industrial and infrastructure, government and Fluor Global Services such as staffing and equipment rentals. It is the largest construction company in the Fortune 500 rankings and the 109th largest company overall.Fluor was founded in 1912 by John Simon Fluor as Fluor Construction Company. It grew quickly, predominantly by building oil refineries, pipelines and other facilities for the oil and gas industry, at first in California, and then in the Middle East and globally. In the late 1960s, it began diversifying into oil drilling, coal mining and other raw materials like lead. A global recession in the oil and gas industry and losses from its mining operation led to restructuring and layoffs in the 1980s. Fluor sold its oil operations and diversified its construction work into a broader range of services and industries.In the 1990s, Fluor introduced new services like equipment rentals and staffing. Nuclear waste cleanup projects and other environmental work became a significant portion of Fluor's revenues. The company also did projects related to the Manhattan Project, rebuilding after the Iraq War, recovering from Hurricane Katrina and building the Trans-Alaska Pipeline System. Wikipedia.


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A system for reducing SO_(2 )emissions comprises a hydrogenation reactor, a tail gas cooler, a contact condenser, a hydrolysis reactor, and an absorber. The hydrogenation reactor is configured to receive a Claus tail gas and convert at least a portion of SO_(2 )in the Claus tail gas to H_(2)S to produce a hydrogenated Claus tail gas stream. The hydrolysis reactor is configured to convert at least a portion of COS to H_(2)S. The absorber comprises an amine-based solvent and is configured to absorb at least a portion of the H_(2)S and recycle the H_(2)S to the Claus plant.


Patent
Fluor Corporation | Date: 2016-09-08

Contemplated plants for flexible ethane recovery and rejection by allowing to switch the top reflux to the demethanizer from residue gas to the deethanizer overhead product and by controlling the flow ratio of feed gas to two different feed gas exchangers. Moreover, the pressure of the demethanizer is adjusted relative to the deethanizer pressure for control of the ethane recovery and rejection.


Patent
Fluor Corporation | Date: 2016-11-06

A LNG liquefaction plant system includes concurrent power production, wherein the refrigeration content of the refrigerant or SMR is used to liquefy and sub-cool a natural gas stream in a cold box or cryogenic exchanger. For concurrent power production, the system uses waste heat from refrigerant compression to vaporize and superheat a waste heat working fluid that in turn drives a compressor for refrigerant compression. The refrigerant may be an external SMR or an internal LNG refrigerant working fluid expanded and compressed by a twin compander arrangement.


Patent
Fluor Corporation | Date: 2015-10-05

Contemplated systems and methods for removing polysulfides and hydrogen sulfide from liquid sulfur of a Claus plant include (a) physically separated steps of catalytic decomposition of polysulfides and gas stripping, or (b) use of the stripping gas as the continuous phase in a packed column with decomposition catalyst to so avoid catalyst attrition.


Plants, processes, and methods for reducing the H_(2)S and CO_(2 )contents of shale gasses from fields that produce shale gasses having varying H_(2)S and CO_(2 )contents are provided. Acid gas enters an absorber and is scrubbed using a lean physical solvent, producing a treated gas and a rich physical solvent. The H_(2)S content of the treated gas is further reduced in an amine absorber, producing a pipeline gas and a semi-lean amine. The pipeline gas contains lower levels of H_(2)S and CO_(2 )than gas produced using a polishing bed. A physical solvent regeneration unit regenerates the lean physical solvent from the rich physical solvent for feeding into the absorption unit. An amine regeneration unit regenerates the lean amine from the semi-lean amine for feeding into the amine absorber. Contemplated plants may further comprise a Claus Unit or a Redox unit for oxidizing H_(2)S to elemental sulfur.


Advanced oxygen enrichment technologies for Claus plants are presented that provide an oxygen rich gas stream to the Claus burner of the thermal stage and one or more oxygen rich bypass gas streams to at least one of the catalytic stages to so increase the capacity of the plant while reducing the amount of recycle gases needed for flame temperature moderation.


Patent
Fluor Corporation | Date: 2017-02-23

The various processes of a plant may be segmented into separate process blocks, which may be interconnected using fluid conduits and/or electrical connections. These process blocks may be directly connected, for example without an external piperack interconnecting process blocks. In some embodiments, each process block may be formed of one or more modules. The process-based nature of this modular approach, along with the optional lack of an external interconnecting piperack, may provide benefits over conventional modular plant design.


Patent
Fluor Corporation | Date: 2016-12-07

A method of treating sour water from industrial processes such as coal gasification. The method includes injecting a polysulfide into a sour water stream to convert cyanide to thiocyanate, thereby reducing the corrosiveness and toxicity of the sour water stream. The method also includes the step of mixing the sour water stream with a reactant to remove CO_(2 )in its various forms in a reaction tank and subsequently routing the stream to a solid settler. The method further includes adjusting the pH of the sour stream in a pH correction tank before sending the sour water stream through a stream stripper for H_(2)S and/or NH_(3 )removal. After passing through the stripper, the treated sour water stream is sent to a biological treatment process for thiocyanate and formate removal. Subsequent treatment steps can be applied, such as multi-grade filters and activated carbon filters, to prepare the treated sour water for reuse.


Patent
Fluor Corporation | Date: 2016-03-31

A subsea wellbore protection (SWP) system. The SWP system includes a wellbore penetrating a subterranean formation beneath a sea floor and a SWP structure positioned below grade with respect to the sea floor. The SWP structure comprises a caisson that encloses a first wellbore equipment component. The first wellbore equipment component is in fluid communication with the wellbore.


Variable N2 content in feed gas ranging from 3 mol % to 50 mol % can be rejected from the process using a feed exchanger that is fluidly coupled with a cold separator and a single fractionation column to produce a nitrogen vent stream and streams that are suitable to be further processed for NGL recovery and LNG production.

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