Tubing has been a vital component of down-hole activity for several decades, as one of the main means of carrying out intervention operations from reservoir assessment, exploration well drilling and ...

There are a number of problems that can develop in a producing well that can negatively affect operations, production and ultimately revenue generated, such as failure of mechanical equipment, changes ...

The shift to drilling horizontal laterals, especially in shale oil and gas plays in the US, has led companies often to use coiled tubing units for well completion and intervention work, concludes a ...

A new technique uses concentric coiled tubing with a jet pump to remove drilling-induced damage from horizontal wellbores. The jet pump creates a pressure drop across the formation sandface that ...