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Oil, Gas & Mining vocabulary · Health & Safety

H2S

Meaning in oil, gas & mining, with examples

abbreviationCore term

In oil, gas & mining, H2S means: The chemical formula of hydrogen sulphide, a colourless, highly toxic gas found in some wells and mines. It smells of rotten eggs at low levels but can quickly deaden the sense of smell.

In Turkish: hidrojen sülfür (H2S), kükürtlü hidrojen

How it is used

Read aloud as 'H-two-S'. Sites with H2S risk have fixed and personal gas detectors, wind socks and breathing apparatus, and staff take H2S training. Gas or crude containing H2S is called sour. Levels are given in ppm.

Example sentences

  1. The alarm went off when H2S reached 10 ppm, and everyone moved upwind to the muster point.

  2. Never rely on your nose to detect H2S.

Common collocations

  • H2S alarm
  • H2S training
  • H2S detector
  • sour gas
  • gas detectorAn electronic device that measures dangerous gases such as H2S, methane or carbon monoxide, or a lack of oxygen, and sounds an alarm when levels become unsafe.
  • muster pointA marked safe place where everyone must gather during an alarm or emergency so that supervisors can count people and see if anyone is missing.
  • sour crudeCrude oil with a high sulphur content, usually more than 0.5 percent. Crude with little sulphur is called sweet crude.
  • HSEShort for health, safety and environment: the rules, people and systems a company uses to protect workers, the public and nature from harm.

More terms: Health & Safety

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