Oil & gas spans upstream drilling, midstream transport and downstream refining — strict ATEX Zone 0/1/2, SIL 2/3 and API standards (API 6D valves, API 610 pumps). Linde (liquefaction), Krohne (flow), SKF (bearings) and Voith (couplings) hold German market shares.
Oil & Gas
Oil & Gas
Oil & gas spans upstream drilling, midstream transport and downstream refining — strict ATEX Zone 0/1/2, SIL safety a...
Oil & gas spans upstream drilling, midstream transport and downstream refining — strict ATEX Zone 0/1/2, SIL safety and API compliance.
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FAQ
Q Upstream vs midstream vs downstream?
A
Upstream: drilling, wellheads, pump jacks; midstream: pipeline pumps, valves, compressors; downstream: refinery towers, reactors, heat exchangers. Ex requirements consistent, processes differ.
Q API 6D vs 6A?
A
API 6D — pipeline valves (ball, gate, check); API 6A — wellhead and Christmas-tree valves. Each has its own strength, sealing and test requirements.
Q What is NACE MR0175 / ISO 15156?
A
Materials standard for H2S sour service — limits hardness, resists SSC. All exports for sour-gas fields must be NACE-compliant.
Q Compressor downtime cost?
A
Upstream 50,000–500,000 USD per hour; ABC spare-parts strategy plus on-site service tech is industry standard. Siemens Dresser-Rand offers 24/7 remote support.