X-C polymer
a biopolymer produced from a particular strain of bacteria on carbohydrates that produces large increases in apparent viscosity while maintaining fairly good control of filtration.
Glossary
Oil & Gas Glossary
† This is an abridged version of the Dictionary of Petroleum Terms provided by Petex and the University of Texas Austin. © Petex 2001
X-ray testing
see radiographic examination or testing.
X-treme line casing
brand name for streamlined casing, which features couplings threaded into the body of the casing itself; therefore, it does not require separate casing couplings to connect the joints. Streamlined casing is useful where casing of a given diameter must be used in a hole that is close to the same size as the casing.
XC
capacitive reactance.
xln
crystalline; used in drilling reports.
XOR
exclusive or.
xylene
any of three flammable hydrocarbons, C6H4(CH3)2, similar to benzene. A commercial mixture is used as a solvent when oilfield emulsions are being tested.
