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The AAPG/Datapages Combined Publications Database
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Abstract
2003. The American Association of Petroleum Geologists. All rights reserved.
Yuzhno Khilchuyu Field, Timan-Pechora Basin, Russia
K. Swirydczuk,1 B. I. Rapoport,2 V. F. Lesnichy,3 J. A. Quadir4
1Conoco Inc., Houston, Texas, U.S.A.; Present address: ConocoPhillips, Houston, Texas, U.S.A.
2OAO Arkhangelskgeoldobycha, Arkhangelsk, Russia
3OAO Lukoil, Moscow, Russia
4Conoco International Petroleum Company, Moscow, Russia
DEDICATION
This paper is dedicated to the memory of Jamal A. Quadir, who passed away in November 2001. His enthusiasm and personal commitment to Russia inspired those around him to persevere, contribute and, above all, succeed. His own early work on the Yuzhno Khilchuyu field and his later leadership of the project inspired many of the insights contained in this paper. Quadir will be remembered for his personal integrity, his respect for people, and his dedication to his family and profession. He is greatly missed by his many friends and colleagues.
ACKNOWLEDGMENTS
The authors would like to thank the many people who have worked over the years to help our understanding of the Yuzhno Khilchuyu field. At Conoco, we would like to acknowledge the contributions of Jennifer Beall, Andr
Bouchard, Bob Corbin, Bill Esco, Bret Fossum, Matt Fox, Jon Gaston, Warwick King, Cliff Martin, Bill Morgan, Steve Solomon, Paul Wilson, and Jeff Yeaton. Special thanks go to Bill Schmidt for seismic interpretation, to Ray Mitchell for his insight into the sedimentology and diagenesis of the reservoir and for most of the core and thin-section photographs in this manuscript, to Eric Michael for his geochemical contribution, and to Bill Clopine for his guidance in biostratigraphic studies. At Arkhangelskgeoldobycha, Yury Deulin, Ludmilla Plehotkina, and many of the AGD staff members have worked on helping us understand this field and its regional setting. Laboratory help was provided by Galina Tarasova and her staff at AGD. Elena Musafirova of the Timan-Pechora Scientific Research Center in Ukhta provided all the fusulinid identification and Timan-Pechora Basin fusulinid regional understanding. Thanks go to these and the many other people involved with this field over the years.
ABSTRACT
The Yuzhno Khilchuyu field, located in the Timan-Pechora Basin, has four stacked limestone and sandstone reservoirs ranging from Lower to Upper Permian. Reservoir depths range between 2150 and 1704 m subsea. The principal reservoir is a Lower Permian (Asselian–Sakmarian) limestone that has an oil-in-place estimate of 1584 million bbl (214 million t) approved in 1985 by the Russian Central Reserves Committee. In addition, a minor amount of oil (16 million bbl [2.2 million t]) with a gas cap is present in an overlying Lower Permian (Kungurian) sandstone. Overlying Upper Permian sandstones also contain minor amounts of free gas totaling about 27 bcf (763 million m3) gas in place. Available data indicate that the Asselian–Sakmarian reservoir has high productivity in the central part of the accumulation, with somewhat lower productivity on the flanks. Development of the field will require water injection for pressure maintenance.
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