TY  - SER
AU  - Quinlan,Martin
TI  - Coiled-tubing drilling gets big
KW  - Perforación de pozos
KW  - Coiled Tubing
N2  - Unnoticed by most except the specialists contractors, over the past three years there has been a four-fold increase in the worldwide annual total of wells drilled with coiled tubing equipment. The new technology - troubled by equipment problems in its early days - is still aimed at niche applications, but it has grown into a big business
ER  -