mud cell | Energy Glossary

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mud cell

1. n. [Drilling Fluids]

Another term for mud-aging cell, a cylindrical vessel in which a mud sample can be heated under pressure. Cells, often called bombs, are routinely used for static-aging and hot-roll aging of mud samples. Cells are usually made of metal or metal alloy, such as stainless steel or aluminum bronze, and have open tops. Caps should be fitted with a valve so that gas pressure can be applied and then released before opening the cell. Common sizes are 260 and 500 cm3, to accommodate half- and one-barrel equivalent volumes, plus space for thermal expansion. Glass or plastic jars can be used judiciously when pressure is nil and temperature is limited to below about 150 degF [66 degC].

Alternate Form: mud-aging cell

See: barrel equivalentbombbottoms-up mud samplemud ovenpilot testrolling aging testshear-strength measurement teststatic aging testtemperature stability