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OFFSHORE FIXED PLATFORM FOR DRILLING WELLS AND GAS PRODUCTION ON FROZEN SHALLOWS IN THE SEA OF AZOV AND THE BLACK SEA

PURPOSE

Drilling and operation of a cluster of gas/gas condensate wells in frozen shallows of the Sea of Azov and the Black Sea where one-year level ice thickness is 0.6 m. Drilling depth is 4000 m; sea water depth is 14 m.

Number of wells is 12; the wells are inside two columns, each having 10 m in diameter.


MAIN PARTICULARS

Topsides maximum dimensions (length x width x height), m:

  • drilling condition 82 x 34 x 73
  • operational condition 82 x 34 x 35

Light weight/weight with stores, t:

  • drilling condition 4890/6620
  • operational condition 2290/5420

Self-containing period, days 15

Rated production of operational facilities:

  • gas production, Mm3/day 1.6
  • fluid production, m3/day 40