Oil and gas

Oil and gas industry

No energy production or power supply without HX-Factor

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Global energy demands are still met primarily from fossil fuel sources like oil and gas. This is despite current investment in new energy sources to the estimated tune of 674 billion dollars world wide. Our heat exchangers play a key role in the efficient extraction, transport, and processing of oil and gas.

Oil production

In the extraction of petroleum in its crude state, it is often mixed with a great share of water. One important requirement for all refining processes, however, is that crude should contain the minimum-possible amount of water in the oil to be processed. In removing water from crude oil, our finned tube heat exchangers, shell and tube heat exchangers, and plate heat exchangers are widely used for their efficiency and compactness. After all, space is precious on drilling rigs and offshore platforms. In further processing of crude oil, finned tube heat exchangers cool large engines and generators on offshore platforms. Farther downstream, refineries extensively use finned tube heat exchangers for cooling of distillation products. In the extraction of gas, such heat exchangers are again used for liquefaction, and plate heat exchangers carry out cleaning and cooling functions.

Gas transport

For transport and storage purposes, one effective alternative to pipelines is liquefaction of gas. Liquefied natural gas (LNG) has only a small fraction of the volume of the original gas before liquefaction. For processes of liquefaction and regasification, systems provided by us include the required plate heat exchangers. Not only on land, but also on board ship, they assure that compression, cooling, and regasification of LNG cargo take place without difficulty. For gas transport on special ships – LNG tankers – Our dry cooling systems effectively support the liquefaction of natural gas.

If a pipeline is used for gas transport, the gas is compressed in compressor stations. Shell and tube heat exchangers and finned tube heat exchangers from us provide dependable cooling for such applications.

Refinery operations and further processing

One of the most important process stages in a refinery is cracking. This process involves breaking long hydrocarbon chains into shorter chains. Cracking is necessary because the market demands more short-chain hydrocarbons than are contained in crude petroleum: e.g., gasoline, diesel oil, and light heating oil. Uses for long-chain hydrocarbons (such as heavy heating oil), at the same time, are becoming increasingly rare. Thermal and catalytic processes are used for cracking. Shell and tube heat exchangers and finned tube heat exchangers from us reliably provide the required heat exchange.

Plate heat exchangers are employed in petrochemical plants as recuperative air pre-heaters for combustion processes. Brazed and welded plate heat exchangers, as well as shell and tube heat exchangers – designed for high-pressure applications and, in general, for rough ambient conditions – are used as evaporators and condensers, as well as downstream for distillation in the processing of oil and gas. In addition, these plate exchangers play a major role in amine scrubbing. This chemical process is frequently used for separation of carbon dioxide, hydrogen sulfide, and other acidic gases from gas mixtures. One purpose of amine scrubbing is to prevent these substances from entering the environment during operations at petrochemical plants and refineries, in processing of natural gas, and as a result of combustion processes.

Air separation plants are employed on a large scale to obtain gaseous and liquid oxygen, nitrogen, and noble (inert) gases – for which extremely low temperatures are required. For this process we can configure compact finned tube heat exchangers as well as shell and tube heat exchangers.

Storage

In many cases, tanks for storage of fuel and other substances are often provided with inert gases for protection purposes. In the course of time, however, the stored substances contaminate the inert gases. To prevent emission of pollutants into the environment, our desublimators are used for thermal separation of the substances.

Supply and disposal of water

Production processes in refineries and their downstream industries require water, which they consume in great quantities. For the treatment of drinking water and sewage, we offer solutions for sedimentation processes, i.e. for the removal of solids from water. Our fixed bed systems like trickling filters and hybrid reactors or moving beds are used in biological waste water treatment.

Presently, fossil fuels satisfy the energy hunger of our modern human civilization. Humans and their technologies commit immense resources to extract fuels, transport and store them, and finally to process them for further use. Our heat exchanger technology enables greater efficiency along the value added chain – which in turn helps to utilize our raw materials more efficiently.

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