| HADES™ |
Sondex High Temperature toolstring. |
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| Hall Effect sensor |
A semiconductor magnetic sensor used in flowmeters. |
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| Head Tension |
The cable tension measured at the tool top (head). |
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| Head Tension CCL Combination (HTC) |
A combination tool, containing both a CCL and an HTU. |
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| Head Tension Unit (HTU) |
A device for measuring head tension. |
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| Heavy Phase |
In a mixture, the heavy phase has the highest density. In
oil/water, water is the heavy phase. In gas/water, water is the heavy
phase. In gas/oil, oil is the heavy phase. |
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| Heptacable |
A 7-conductor armoured logging cable used for SRO logging. |
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| Hot Work |
Any process that generates flames, sparks or heat. |
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| Housing |
A cylindrical metal casing designed to protect downhole electrical circuitry, particularly from pressure, heat and moisture. |
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| Hydrocarbon |
A compound containing only the
elements hydrogen and carbon. May exist as a solid, a liquid or a gas.
The term is mainly used in a catch-all sense for oil, gas and
condensate. |
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