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Algorithms for synthesis of petrophysical models in the natural uncertainty environment

Authors: O.V. Nadezhdin, A.I. Akbasheva, V.I. Savichev, O.V. Emchenko (BashNIPIneft LLC, RF, Ufa)

When petrophysical model is created the one of the main relevance criteria is the close proximity of the estimates via well-log interpretation with the results of laboratory core studies. In the standard situation, intervals of coring are correlated with those of well-logs only conditionally. The paper discusses problems of matching core-log dataversus well-log one in the process of creating petrophysical model, special attention being given to the situation with low core recovery.

Key words: multicomponent structure of rocks solid phase, correlation, laboratory core studies, well-log interpretation.

References

1. Enikeev B.N., Ellanskiy M.M., Byulleten' Moskovskogo obshchestva ispytateley prirody. Otdel geologicheskiy, 1974, V. XLIX (1), pp. 159-160.

2. Enikeev B.N., Nastroyka i reshenie obratnoy petrofizicheskoy zadachi na osnove ispol'zovaniya sochetaniya parametricheskikh i neparametricheskikh vzaimosvyazey (Setting up and solving the inverse petrophysical problem using a combination of parametric and nonparametric relationship), SEG-2003 Moscow, 2003.

3. Dzhevanshir R.D., Brzhestovskaya T.S., Geologiya nefti i gaza - The journal Oil and Gas Geology, 1992, no. 8.

4. Kozhevnikov D.A., Geofizika, 2001, no. 4, pp. 20-30.

5. Dobrynin V.M., Vendel'shteyn B.Yu., Rezvanov R.A., Afrikyan A.N., Geofizicheskie issledovaniya skvazhin (Well logging): edited by V.M. Dobrynin, N.E. Lazutkina, Moscow: Neft' i gaz Publ., 2004, 400 p.

When petrophysical model is created the one of the main relevance criteria is the close proximity of the estimates via well-log interpretation with the results of laboratory core studies. In the standard situation, intervals of coring are correlated with those of well-logs only conditionally. The paper discusses problems of matching core-log dataversus well-log one in the process of creating petrophysical model, special attention being given to the situation with low core recovery.

Key words: multicomponent structure of rocks solid phase, correlation, laboratory core studies, well-log interpretation.

References

1. Enikeev B.N., Ellanskiy M.M., Byulleten' Moskovskogo obshchestva ispytateley prirody. Otdel geologicheskiy, 1974, V. XLIX (1), pp. 159-160.

2. Enikeev B.N., Nastroyka i reshenie obratnoy petrofizicheskoy zadachi na osnove ispol'zovaniya sochetaniya parametricheskikh i neparametricheskikh vzaimosvyazey (Setting up and solving the inverse petrophysical problem using a combination of parametric and nonparametric relationship), SEG-2003 Moscow, 2003.

3. Dzhevanshir R.D., Brzhestovskaya T.S., Geologiya nefti i gaza - The journal Oil and Gas Geology, 1992, no. 8.

4. Kozhevnikov D.A., Geofizika, 2001, no. 4, pp. 20-30.

5. Dobrynin V.M., Vendel'shteyn B.Yu., Rezvanov R.A., Afrikyan A.N., Geofizicheskie issledovaniya skvazhin (Well logging): edited by V.M. Dobrynin, N.E. Lazutkina, Moscow: Neft' i gaz Publ., 2004, 400 p.



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