Definition - What does Bailing mean?

Bailing is a cable drilling tool that is wrapped on a spool and used along with a bailer to help engineers to remove anything from a wellbore. A bailer is a container used to lift drill cuttings, water, sand and oil from a wellbore. It is used during drilling activities on a wellbore. It is usually used with different types of bailers such as hydrostatic bailer and sand bailer. This cable has a mechanism that allows complete communication with the oil well bottom. Whether the bailer is required to dislodge sand, water or oil, a Bailing Line is essential to pull up the bailer.

Petropedia explains Bailing

Well workover operations require a bailer to extract various kinds of substances found beneath the wellbore. These substances can be sand, water, mud, oil or drill cuttings. To proceed with the drilling process, these substances are removed using the bailer, which is a container that is lowered down with a Bailing Line. A Bailing Line is basically a long cable that is tied on a spool. The bailer is connected with a bail through a hook, which is then connected to the Bailing Line that uses the pulley mechanism to lift the materials. The Bailing Line thus, helps to clear the wellbore bottom.

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