Coring assembly for mounting on the end of a drill string

Coring bit with uncoupled sleeve

Coring device with an improved core sleeve and anti-...

Coring device with an improved core sleeve and anti-...

Coring device with an improved weighted core sleeve and...

Coring tool

Coring tool and method

Coring tool with retention device

Corrosion control well installations and tools for such...

Corrosion inhibited high density fluid compositions

Corrosion inhibiting process for a remotely located deep...

Corrosion inhibitor and method of use

Corrosion inhibitor and method of use

Corrosion inhibitor for well acidizing treatments

Corrosion inhibitor-drag reducer combinations

Corrosion protected tensioning member for a prestressable...

Corrosion resistant metal pipe and process for producing same

Corrosion-protected, self-drilling anchor and anchor subunit...

Corrugated downhole tubulars

Corrugated heating conduit and method of using in thermal...