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Gas storage well selective completions



Likhushin A.M., Myasishchev V.E. (OOO Gazprom VNIIGAZ, RF, Moskovskaya obl.)

E-mail: A_Lihushin@gwise.vniigaz.gazprom.ru

Efficient well completion technologies exist presently. They enable production from a single reservoir zone even in cases that a well taps into a multizone reservoir or gas storage. This is believed unpractical, in terms of recovery ratio and formation performance (as some intervals appear not brought on production). This paper highlights a selective well completion technology using dedicated packer designs. It shows completion charts, casing packer activation job sequence, and production string cementing. This technology is expected to boost storage well performance, reduce gas flow across reservoir and water coning, cut water content of offtakes, sustain terrigenous reservoir stability, and extend mean time between workovers.

References

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 6. Likhushin A.M., Myasishchev V.E., Litvinov A.V., et al. Sposob zakanchivaniya i ekspluatatsii skvazhiny podzemnogo khranilishcha gaza v vodonosnom plaste neodnorodnogo litologicheskogo stroyeniya [The process of completion and operation of the well of the underground gas storage in the aquifer of inhomogeneous lithological structure]. Patent RF, no. 2533465, 2014.



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