# \#tankers

**URL:** https://www.queseas.com/tag/tankers/167.md

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## [Gas detection systems in oil tankers](https://www.queseas.com/t/gas-detection-systems-in-oil-tankers/496)

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**Author:** [@Ernesto](https://www.queseas.com/u/Ernesto)\
**Replies:** 4\
**Last updated:** [February 14, 2024, 8:40am UTC](https://www.queseas.com/t/gas-detection-systems-in-oil-tankers/496 "2024-02-14T08:40:47Z")

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Good afternoon! The gas detection system is one of the most critical systems installed onboard oil tankers. It can warn operators for potentially dangerous situations such as the leakage of oil from cargo tanks to ball…

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## [Top Oil Tanker Builders July 2023 (Clarkson's Research)](https://www.queseas.com/t/top-oil-tanker-builders-july-2023-clarksons-research/824)

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**Author:** [@Oswald.Alving](https://www.queseas.com/u/Oswald.Alving)\
**Replies:** 0\
**Last updated:** [August 18, 2023, 9:14pm UTC](https://www.queseas.com/t/top-oil-tanker-builders-july-2023-clarksons-research/824 "2023-08-18T21:14:36Z")

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Interestingly, according to the Clarkson’s Research Report the top 3 top oil tanker builders (by dwt on order) are not located in South Korea anymore.

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## [Intermediate surveys in double hull oil tankers - tank testing requirements](https://www.queseas.com/t/intermediate-surveys-in-double-hull-oil-tankers-tank-testing-requirements/771)

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**Author:** [@Rosencratz](https://www.queseas.com/u/Rosencratz)\
**Replies:** 1\
**Last updated:** [June 19, 2023, 6:14pm UTC](https://www.queseas.com/t/intermediate-surveys-in-double-hull-oil-tankers-tank-testing-requirements/771 "2023-06-19T18:14:59Z")

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Good afternoon! Is tank pressure testing required during intermediate hull surveys of oil tankers above 10 years old?

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## [VLCC Cargo Tank](https://www.queseas.com/t/vlcc-cargo-tank/779)

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**Author:** [@Paraschos.Liadis](https://www.queseas.com/u/Paraschos.Liadis)\
**Replies:** 0\
**Last updated:** [June 11, 2023, 8:18pm UTC](https://www.queseas.com/t/vlcc-cargo-tank/779 "2023-06-11T20:18:08Z")

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This is how a center cargo tank of a 320,000 t DWT VLCC looks like! Photo taken during special surveys.

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## [Cargo manifold reducer design on a VLCC](https://www.queseas.com/t/cargo-manifold-reducer-design-on-a-vlcc/621)

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**Author:** [@DCKim](https://www.queseas.com/u/DCKim)\
**Replies:** 2\
**Last updated:** [January 8, 2023, 1:41pm UTC](https://www.queseas.com/t/cargo-manifold-reducer-design-on-a-vlcc/621 "2023-01-08T13:41:49Z")

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Experience in terms of cargo manifold principle reducer and OCIMF requirement is displayed. A proposal as design standard is described at bottom of attached report. VLCC Cargo Reducers - English.pdf (51.3 KB)

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## [Tanker cargo pump](https://www.queseas.com/t/tanker-cargo-pump/616)

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**Author:** [@Philip.Argyropoulos](https://www.queseas.com/u/Philip.Argyropoulos)\
**Replies:** 2\
**Last updated:** [January 2, 2023, 9:48pm UTC](https://www.queseas.com/t/tanker-cargo-pump/616 "2023-01-02T21:48:28Z")

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Why all tankers use steam-driven cargo pumps instead of electric pumps? Is the reason only economic or also technical?

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## [Typical locations of structural failures in oil tankers](https://www.queseas.com/t/typical-locations-of-structural-failures-in-oil-tankers/429)

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**Author:** [@Paraschos.Liadis](https://www.queseas.com/u/Paraschos.Liadis)\
**Replies:** 0\
**Last updated:** [August 31, 2022, 6:20pm UTC](https://www.queseas.com/t/typical-locations-of-structural-failures-in-oil-tankers/429 "2022-08-31T18:20:11Z")

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A well known and concise guide!