Oil & Gas Glossary 1.0
OIL & GAS TECHNICAL TERMS GLOSSARY
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Search Result for Glass Disk
glass disk
A sub with a glass blockage in the bore, used to isolate a surge chamber in gravel packing or perforation cleaning operations.
caprock
1.a disk-like plate of anhydrite, gypsum, limestone, or sulfur overlying most salt domes in the Gulf Coast region.
dump bailer
A bailing device with a release valve, usually of the disk or flapper type, used to place, or spot material (such as cement slurry) at the bottom of the well.
surge valve
A device employed with a packer to surge, or clean, open perforations; also called surge disk.
stripper rubber
1. a rubber disk surrounding drill pipe or tubing that removes mud as the pipe is brought out of the hole.
hydraulic fracturing
An operation in which a specially blended liquid is pumped down a well and into a formation under pressure high enough to cause the formation to crack open, forming passages through which oil can flow into the wellbore. Sand grains, aluminum pellets, glass beads, or similar materials are carried in suspension into the fractures. When the pressure is released at the surface, the fractures partially close on the proppants, leaving channels for oil to flow through to the well. Compare explosive fracturing.