Diagnosis of formation characteristics in wells

Details Diagnosis of formation characteristics in wells Diagnosis of formation characteristics in wells

2011-01-25

2011-01-25

Neuder, William P (Department: 3672)

Wells

Processes

With indicating, testing, measuring or locating

C702S012000, C703S010000

Reexamination Certificate

active

07874357

ABSTRACT:
A technique for estimating the permeability profile of a well includes generating a well and formation model. The technique includes producing the well so that hydrocarbons flow from the formation and through the well. The technique includes measuring pressure at a plurality of points along at least a portion of the well without an intervention in the well and estimating a permeability profile along the portion of the well by use of the plurality of pressure measurements.

REFERENCES:
patent: 5992519 (1999-11-01), Ramakrishnan et al.
patent: 6691037 (2004-02-01), Poe et al.
patent: 6792354 (2004-09-01), O'Meara, Jr.
patent: 2001/0023614 (2001-09-01), Tubel et al.

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