دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: see casing-patch tool.

any of several repair systems designed to set a patch over a leak in a well.

n: See casingpatch tool.

n: a special tool with a rubber packer or lead seal that is used to repair casing. When casing is damaged downhole, a cut is made below the damaged casing, the damaged casing and the casing above it are pulled from the well, and the damaged casing is removed from the casing string. The tool is made up and lowered into the well on the casing until it engages the top of the casing that remains in the well, and a rubber packer or lead seal in the tool forms a seal with the casing that is in the well. The casing-patch tool is an overshot1ike device and is sometimes called a casing overshot.

n: A kind of tool for casing with rubber packer or sealing. Used for repairing casing.

n: an employee responsible for scheduling movement of oil through pipelines.

n: the column, or string, of drill pipe with attached tool joints that transmits fluid and rotational power from the kelly to the drill collars and the bit. Often, especially in the oil patch, the tenD is loosely applied to include both drill pipe and drill collars. Compare drill stem.

n: The string of drill pipe with tool joints, which transmits rotation and circulation to the drill bit. Sometimes used to include both drill collars and drill pipe.

all the equipment in a drilling BHA plus the drill pipe.

n: the exchange of data for business transactions by computer. Often used for nominations, dispatching, billing, and payment.

n: refer to external patch

n: a kind of toggling tools with rubber or lead material and anchor slip ,usually connected on the lower end of the replacement section

n: refer to external patch