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 ...

Colorado’s biggest oil and natural-gas producers are experimenting with a new drilling technology billed as cheaper, faster and quieter than conventional drilling. The promising drilling technique is ...

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 ...

New coiled-tubing rigs are drilling to record depths, with larger diameter strings and top drives capable of holding 200,000-lb hook loads. Tenaris Coiled Tubes and Xtreme Coil Drilling Corp. are ...

4. Tube and Fin Materials: Sometimes tube and fin materials are incorrectly specified for a coil environment. For example, aluminum fins should not be exposed to a marine atmosphere because this ...