دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a carbon block used to make an electrical connection between the rotor of a generator or motor and a circuit.

n: a bladed tool used to scrape away junk or debris from inside casing;it is usually run into the casing on drill pipe or tubing.

n: A tool for cleaning crud of inside wall of casing. The blade with sword is installed in the cavity of cage. The blade clings the pipe wall because of leaf spring.

a downhole tool with scraping teeth and brushes that is used to remove perforating burrs, “lipped down” areas in connection pins and remove mill scale, dried mud or cement, pipe dope and other well completion debris.

n: ballast that is free of any measurable quantity of hydrocarbon cleaning and priming machine n: a self- propelled machine with a rotating set of brushes and buffers that removes from pipe surface any loose material and applies a thin coat of primer to prepare the pipe for coating.

n: a series of bars connected to the armature coils of an electric motor or generator. As the commutator rotates in contact with fixed brushes, the direction of flow of current to or from the armature is in one direction only.

n: two brushing plugs of the oil tube being connected together ,and both of them set abaft the cement slurry in order to scape the sundries adhered on the wall of the oil tube

n: a tools used to clean the ends of pipes ，and composed by pnenumatic dirve ，external and internal thread brush chamber and solvent pot

n: (obsolete) kelly;kelly joint. grinding and buffing n: in pipeline construction, the process of cleaning pipe ends of dirt. rust, mill scale, or solvent to prepare them for welding. Grinding and buffing tasks are accomplished with power hand tools such as wire brushes and buffers. grind out v: to test for the presence of water in oil by use of a centrifuge.

n: refer to “kelly”

n: 1. a scraping tool that is forced through a pipeline or flow line to clean out accumulations of wax, scale, and debris from the walls of the pipe. It travels with the flow of product in the line. cleaning the pipe walls by means of blades or brushes affixed to it. Also called a line scraper or a go-devil. 2. a batching cylinder with neoprene or plastic cups on either end and used to separate different products travelling in the same pipeline. 3. a neoprene displacement spheroid, automatically launched and received. used to displace liquid hydrocarbons from natural gas pipelines. 4. in hydro- static testing of a pipeline. a scraper used inside the line to push air out ahead of the test water and to push water out after the test. v: to force a device called a pig through a pipeline or a flow line for the purpose of cleaning the interior walls of the pipe. separating different products. or displacing fluids.

a flow line clearing device, pumped through the line with normal flow.