Improving the efficiency of the reservoir properties prediction based on seismic data for continental genesis sediments

UDK: 550.834.017
DOI: 10.24887/0028-2448-2025-3-6-12
Key words: continental deposits, meandering objects, seismic, sequence-stratigraphy, object-oriented processing, diffraction, inversion, attribute analysis, drilling efficiency
Authors: M.V. Salishchev (RN-Exloration LLC, RF, Moscow); N.V. Kharitonov (RN-Exloration LLC, RF, Moscow); A.I. Leibenko (RN-Exloration LLC, RF, Moscow); A.L. Medvedev (RN-Shelf-Arctic LLC, RF, Moscow); M.S. Doronina1(RN-Exloration LLC, RF, Moscow); I.V. Arutyunyants (RN-Exloration LLC, RF, Moscow); A.B. Kleshnin (RN-Exloration LLC, RF, Moscow); E.A. Sidorkina (Rosneft Oil Company, RF, Moscow)

The article considers the features of the seismic processing and interpretation stages aimed at improving the efficiency of reservoir property prediction for continental genesis formations. The effectiveness of using diffracted waves to refine the structure of meandering objects is demonstrated as a new methodological approach. The features of diffraction seismograms post-processing are considered. These features are necessary to obtain informative results when mapping the structure of continental genesis formations in the field of diffracted waves. Methodological approaches for the following stages are also proposed: object-oriented processing, constructing a sequence stratigraphic model for continental sediments using the example of the Yakovlev formation, features of correlation of reflecting horizons, performing inversion transformations and comparing the effectiveness of various attributes in mapping meandering objects and other elements of erosive relief. The effectiveness of the methodological approaches proposed in the article is demonstrated by the example of two metrics. First metric is the average percentage of conducting production wells through the reservoir at the field. The second metric is the average percentage of reservoir prediction confirmation based on seismic data in horizontal wells before and after applying the methodological approaches described in the article. These metrics directly affect the economic efficiency of the developed deposit. They can be used to assess financial efficiency when planning and justifying future similar work.

References

1. Posamentier H.W., Vail P.R. Eustatic controls on clastic deposition II – Sequence and systems tract models: edited by Wilgus C.K., Hastings B.S., Kendall C.G., Posamentier H.W., Ross C.A., van Wagoner J.C., In: Sea level changes – An integrated approach. SEPM Special Publication, 1988, V. 42, P. 125–154,

DOI: http://doi.org/10.2110/pec.88.01.0125

2. Van Wagoner J.C., Mitchum R.M., Posamentier H.W., Vail P.R., Seismic stratigraphy interpretation using sequence stratigraphy. Part 2: Key definitions of sequence stratigraphy: edited by Bally A.W., Atlas of seismic stratigraphy. AAPG Studies Geol., 1987, V. 1, no. 27, pp. 11—14, DOI: https://doi.org/10.1306/bf9ab166-0eb6-11d7-8643000102c1865d

3. Shanley K.W., McCabe P.J., Perspectives on the sequence stratigraphy of continental strata, American Association of Petroleum Geologists Bulletin, 1994, V. 78,

p. 544–568, DOI: https://doi.org/10.1016/S0070-4571(09)06205-0

4. Posamentier H.W., Allen G.P., Siliciclastic sequence stratigraphy: concepts and applications, SEPM, Concepts Sedimentol. Paleontol., 1999, V. 7,

DOI: https://doi.org/10.1029/EO082i013p00156

5. Fokin P.A. et al., Composition and conditions of formation of productive strata of the Nizhnekhetskaya and Yakovlevskaya suites of the Lower Cretaceous Vankor oil and gas field (northeast of Western Siberia) (In Russ.), Vestnik Moskovskogo universiteta. Seriya 4. Geologiya = Moscow University Bulletin. Series 4. Geology, 2008, no. 5, pp. 12-18.

6. Cherdantseva D.A., Krasnoshchekova L.A., Material composition and formation conditions of productive sandstoons of the Pur-Tazov oil and gas-being region

(on the example of Lodochnoe field, Krasnoyarsky Krai) (In Russ.), Geosfernye issledovaniya, 2021, no. 2, pp. 44-59, DOI: https://doi.org/10.17223/25421379/19/4



Attention!
To buy the complete text of article (Russian version a format - PDF) or to read the material which is in open access only the authorized visitors of the website can. .