Shell Oil Comapny

Johan Jan Barend Pek

Mark Antonius Kevenaar

Chun Kit Poh

Willem Dam

John William Harris

Leendert Johannes Arie Zoetemeijer

Eduard Rudolf Geus

Karel Antonius Kusters

Dirk Willem Van Der Mast

Bei Li

Meta Jannetta Van Veghel

Stephen John Mills

A hydrocarbon stream, such as natural gas, is commonly cooled together with a first refrigerant stream, against an evaporating refrigerant in a series of one or more consecutively arranged common heat exchangers. The series comprises of one or more consecutively arranged common heat exchangers comprise a first common heat exchanger, upstream of which first common heat exchanger the hydrocarbon stream and the first refrigerant stream are not commonly cooled. The hydrocarbon stream to be cooled is fed into the first common heat exchanger at a hydrocarbon feeding temperature, while the first refrigerant stream is fed into the first common heat exchanger at a refrigerant feeding temperature. The temperature difference between the hydrocarbon feeding temperature and the refrigerant feeding temperature is lower than 60&#xb0; C.

Method and apparatus for cooling a hydrocarbon stream

The present invention relates to a method of cooling and separating a hydrocarbon stream: (a) passing an hydrocarbon feed stream () through a first cooling and separation stage to provide a methane enriched vapour overhead stream () and a methane depleted liquid stream (); (b) passing the methane depleted liquid stream () to a fractionation column () to obtain a bottom condensate stream (), a top stream enriched in C1-C2 () and a midstream enriched in C3-C4 (), (c) cooling the upper part of the fractionation column () by a condenser (), (d) obtaining a split stream () from the methane enriched vapour overhead stream () and obtaining a cooled split stream (') by expansion-cooling the split stream (), (e) providing cooling duty to the top of the fractionation column () using the cooled split stream (&#x2032;).

Method and system for cooling and separating a hydrocarbon stream

The methods apparatuses described herein involve recovering of glycol from an aqueous phase to form a stream of recovered glycol and a glycol recovery system. The aqueous phase is fed to the top of a lower theoretical stage in a distillation column. An overhead vapor stream is drawn from the distillation column overhead of an upper theoretical stage, and a bottom stream comprising a stream of regenerated glycol is drawn from the distillation column via a bottom outlet configured below the lower theoretical stage. The stream of recovered glycol comprises the regenerated glycol. In addition, a first middle theoretical stage is situated within the distillation column gravitationally above the lower theoretical stage and below the upper theoretical stage. A side stream of liquid water is drawn from the bottom of the upper theoretical stage in the distillation column.

Method and apparatus for circulating a glycol stream, and method of producing a natural gas product stream

In a method and apparatus for passing a mixed vapour and liquid stream between a first heat exchanger () and a second heat exchanger () the mixed vapour and liquid stream outflows from the first heat exchanger () through two or more outlets (). Then, the mixed vapour and liquid stream in the outlets () passes through two or more intermediate conduits () to the second heat exchanger (), after which the mixed vapour and liquid stream inflows from the intermediate conduits () into the second heat exchanger () through two or more inlets (). The number (X) of outlets () is equal to or greater than the number (Y) of inlets ().

Method and apparatus for passing a mixed vapour and liquid stream and method of cooling a hydrocarbon stream

A hydrocarbon stream (), such as natural gas, is commonly cooled together with a first refrigerant stream (), against an evaporating refrigerant () in a series of one or more consecutively arranged common heat exchangers (), which comprises a first common heat exchanger, upstream of which first common heat exchanger the hydrocarbon stream () and the first refrigerant stream () are not commonly cooled (). The hydrocarbon stream to be cooled is fed into the first common heat exchanger at a hydrocarbon feeding temperature, while the first refrigerant stream is fed into the first common heat exchanger at a refrigerant feeding temperature. The temperature difference between the hydrocarbon feeding temperature and the refrigerant feeding temperature is lower than 60 C.

First and second multi-phase streams are processed in first and second trains that are structurally different from each other such that the first and second trains have different operating conditions. The first and second trains produce first and second gaseous hydrocarbon streams and first and second liquid hydrocarbon component streams. The first and second gaseous hydrocarbon streams are combined downstream of the first and second trains to provide a combined gaseous hydrocarbon component stream.

Method of producing a combined gaseous hydrocarbon component stream and liquid hydrocarbon component streams, and an apparatus therefor

In method of providing uniformity of vapor and liquid phases in two or more streams derived from a mixed vapor and liquid stream (), the mixed vapor and liquid stream () passes from a first heat exchanger () into a distribution vessel () via one or more inlets (). The distribution vessel () has two or more outlets () connected to a second heat exchanger (). The liquid part of the mixed stream () is allowed to collect in a first area () in the distribution vessel (), and the vapor part of the mixed stream () is allowed to collect in a second area () of the distribution vessel (), preferably above the first area (). The liquid in the first area () passes into the outlets () via one or more liquid apertures () in each outlet () that communicate with the first area (), and the vapor in the second area () passes into the outlets () via one or more vapor apertures () in each outlet () communicating with the second area ().

Method and apparatus for providing uniformity of vapour and liquid phases in a mixed stream

Process to separate propene from gaseous fluid catalytic cracking products by performing the following steps: a) separating a feed mixture comprising the gaseous products, propene and other saturated and unsaturated hydrocarbons obtained in a fluid catalytic cracking process into a hydrocarbon-rich liquid fraction and a hydrogen containing gaseous fraction, b) separating the hydrogen containing gaseous fraction into a hydrogen-rich gaseous fraction and a hydrocarbon-rich gaseous fraction by means of a membrane separation, c) supplying the hydrocarbon-rich gaseous fraction obtained in step (b) to an absorber section and obtaining in said absorber section a lower boiling fraction rich in gaseous products having a boiling point of ethane or below and supplying the hydrocarbon-rich liquid fraction obtained in step (a) to a stripper section and obtaining in said stripper section a higher boiling fraction comprising propene and hydrocarbons having a boiling point higher than ethane.

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The Hague, Netherlands

Johan Jan Barend Pek