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Butylated hydroxyanisole (BHA) is a synthetic, waxy, solid petrochemical. Its antioxidant properties have caused it to be widely used as a preservative in food, food packaging, animal feed, cosmetics, pharmaceuticals, rubber, and petroleum products. [ 3 ]
Rotary assemblies [2] are commonly used where formations are predictable and the rig economics are an issue. In such an assembly the weight of the drill collars gives the BHA the tendency to sag or flex to the low side of the hole, collar stiffness length and stabiliser diameter and placement are engineered as a means of controlling the flex of the BHA.
BHA (for "Butt-Head Astronomer"), a code-name for the Power Macintosh 7100 computer; Other uses. Bahamas, UNDP country code; Bibliography of the History of Art, an ...
MDT – modular formation dynamic tester, a tool used to get formation pressure in the hole (not borehole pressure which the PWD does). MDT could be run on Wireline or on the Drill Pipe; MDR – mud damage removal (acid bullheading) MEA – monoethanolamine; MEG – monoethylene glycol; MEIC – Mechanical Electrical Instrumentation Commission
Butylated hydroxytoluene (BHT), also known as dibutylhydroxytoluene, is a lipophilic organic compound, chemically a derivative of phenol, that is useful for its antioxidant properties. [7]
Full Length Mirror with Stand. amazon.com. $56.99. Full Length Mirror with Stand. Shop Now. Full Length Mirror with Stand ... Skin Perfecting 25% AHA + 2% BHA Exfoliant Peel. Shop Now. Skin ...
Drill stem testing involves deploying a series of tools known as a test bottom hole assembly (BHA). A basic drill stem test BHA consist of a packer or packers, which act as an expanding plug to be used to isolate sections of the well for the testing process, valves that may be opened or closed from the surface during the test, and recorders ...
A drilling stabilizer is a piece of downhole equipment used in the bottom hole assembly (BHA) of a drill string. It mechanically stabilizes the BHA in the borehole in order to avoid unintentional sidetracking, vibrations, and ensure the quality of the hole being drilled.
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