| LAS |
Log ASCII Standard. A standard log data file. |
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| Lay barge |
A barge that is specially equipped to lay submarine pipelines. |
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| Lemo connector |
A proprietory multi-way connector, used extensively in Sondex tools. |
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| Liquefied natural gas (LNG) |
Oilfield or naturally occurring gas, chiefly methane, liquefied for transportation. |
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| Liquefied petroleum gas (LPG) |
Light hydrocarbon material, gaseous at atmospheric temperature and pressure, held in the liquid state by pressure to facilitate storage, transport and handling. Commercial liquefied gas consists essentially of either propane or butane, or mixtures thereof. |
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| Light Phase |
In a mixture, the light phase has the lowest density. In oil/water, oil is the light phase. In gas/water, gas is the light phase. In gas/oil, gas is the light phase. |
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| LIS |
Log Information Standard; a file format to which Warrior data can be exported. |
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| Lithology |
Rock type and properties of a particular formation. |
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| Log |
Either the physical process of collecting well data from a toolstring, or the log data itself. A presentation of such data. |
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| Log Quality Control (LQC) |
Policies and standards adopted by oil service companies relating to the recording and presentation of a log. |
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| Logging cable |
Either a conductive, armoured cable for SRO, or a slickline for MPL. |
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