Gravimetric monitoring of gas production from the Troll field

@article{Eiken2008GravimetricMO,
  title={Gravimetric monitoring of gas production from the Troll field},
  author={Ola Eiken and Torkjell Stenvold and Mark A. Zumberge and H̊avard Alnes and Glenn S. Sasagawa},
  journal={Geophysics},
  year={2008},
  volume={73}
}
  • Ola Eiken, Torkjell Stenvold, +2 authors Glenn S. Sasagawa
  • Published 2008
  • Geology
  • Geophysics
  • Four surveys of relative gravity and depth measurements have been conducted over the Troll field since gas production began in 1996. Precision in gravity (intrasurvey repeatability measured as standard deviation) has improved from 26 μGal to 4–5 μGal in two surveys in 2002 and 2005. The scatter of 74 station depth differences (standard deviation) has improved to 1.0 cm (with modeled subsidence removed) for the same two surveys. Subsidence of up to 3 cm is observed above the thickest reservoir… CONTINUE READING

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