ALEXANDRIA, Va., May 27 -- Schlumberger Technology, Sugar Land, Texas, has been assigned a patent (9,348,058) developed by two co-inventors for a "method for determining the profile of an inflow and the parameters of a well-surrounding area in a multipay well." The co-inventors are Valiry Vasilievich Shako, Moscow, and Vyacheslav Pavlovich Pimenov, Moscow.

The patent application was filed on Dec. 31, 2009 (13/519,570). The full-text of the patent can be found at http://patft.uspto . . .