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Maersk Olie og Gas AS (Maersk Oil) (ID: 2519)
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M?rsk Olie og Gas AS (Maersk Oil) is a company owned by A.P. Moller M?rsk A/S, and is part of the A.P. Moller Maersk Group. Maersk Oil was established in 1962, when Mr. A. P. Moller was awarded the concession for oil and gas exploration and production in Denmark. In 2003, the concession period was extended from 2012 until 2042 and terms and conditions were adjusted as of 1 January 2004. Today, Maersk Oil is an oil company operating an oil production of some 500,000 barrels per day and a sales gas production of up to some 1,000 million cubic feet per day. The company has a net production exceeding 300,000 barrels of oil equivalents per day from fields in the Danish North Sea, offshore Qatar, in Algeria and in Kazakhstan. Exploration, appraisal and development activities are ongoing in the Danish, British and German sectors of the North Sea, Qatar, Algeria, Kazakhstan, Turkmenistan, Oman and Brazil. The main part of Maersk Oil s operated production is from low permeability, high porosity chalk and limestone reservoirs, which prior to the 1980 s were deemed unattractive due to low production rates. Innovative application of advanced seismic processing techniques as part of a comprehensive state-of-the-art reservoir characterization, combined with ultra long horizontal drilling as well as Maersk Oil s completion and stimulation technology of the horizontal wells, have been the key to the technical success in developing these chalk fields. The commercial success has been dependent on a cost conscious operation and a slim line organization. In 1962, a joint venture was formed for the initial exploration and possible development and production activities in Denmark. The venture was named Dansk Undergrunds Consortium (DUC). Today, the participants are A.P. Moller-M?rsk (39%), Shell (46%) and ChevronTexaco (15%). Maersk Oil is operator. In 2002, a daily oil production of up to 350,000 barrels and a daily sales gas production of up to 1,000 million cubic feet have been achieved from the fields operated by Maersk Oil in the Danish North Sea, primarily from tight reservoirs. The high production level is accomplished through extensive water flooding by injecting into the reservoirs more than 600,000 barrels of water per day. For the purpose of further development of the Al Shaheen Field, a new development plan was prepared by Maersk Oil in cooperation with QP and was approved by His Excellency The second deputy Prime Minister and Minister of Energy and Industry in early 1996. Implementation of the development plan was initiated in March 1996 - more than two years ahead of the time schedule visualized in 1992. The development plan - including both primary and secondary recovery schemes - contained provisions for three platforms and up to 70 horizontal wells. The new Al Shaheen Field facilities were inaugurated by His Excellency The second deputy Prime Minister and Minister of Energy and Industry in 1998. A plan for further development of the Al Shaheen Field was prepared in cooperation with QP and agreed in February 2001. The Al Shaheen Field Development Plan 2001 comprises the drilling of some 40 new production wells, 20 new water injection wells and conversion of 14 existing wells to water injection, as well as construction and installation of new production platforms, interconnected with pipelines, facilities for gas compression and a gas export pipeline to Qatar Petroleum s North Field Alpha Platform, offshore Qatar. In addition, a number of appraisal wells are included to evaluate possible further production potential. The oil production capacity is now in excess of 200,000 barrels per day Controlled Acid Jet (CAJ) Technique for Effective Single Operation Stimulation of 14,000+ ft Long Reservoir Sections 2002, SPE-78318, Hansen, J.H and Nederveen, N. The Oil Field Halfdan-Fast Track Development of a Chalk Field Offshore Denmark 2001, World Oil November, M?rsk Olie og Gas AS. Halfdan: Developing Non Structurally Trapped Oil in North Sea Chalk 2001, SPE-71322 presented at the 2001 SPE/ATCE, New Orleans, Louisiana. Albrechtsen, T., Andersen, S.J., Dons, T., Engstrom, F., Jorgensen, O., Sorensen, F.W. "High Density CCL Memory Tool to Confirm SSD Sleeve Position" 2001, SPE-68362 presented at the 2001 SPE/ICoTA Coiled Tubing Roundtable, Houston, Texas. Daniels, J., M?rsk Olie og Gas AS, Williams, G., READ Well Services Ltd. "Experience with the Use of Tetrakishydroxymethylphosphonium Sulfate (THPS) for the Control of Downhole Hydrogen Sulfide 2000, Paper 00123 presented at Corrosion NACExpo 2000 conference. Larsen, J., Sanders, P.F., Talbot, R.E. Appraisal of an Extensive Thin Chalk Reservoir with Ultra-long Horizontal Wells; Cyclostratigraphy as Complementary Steering Tool 1999, AAPG Memoir: Horizontal Wells, Focus on the reservoir. Petersen, N.W., Toft, J.C., Hansen, P.M. Delineation of Hydrodynamic/Geodynamic Trapped Oil in Low Permeabiliy Chalk 1999, SPE 56514, Jacobsen, N.L., Engstrom, F., Uldall, A., Petersen, N.W. Interpreting Natural Fracture Directions in Horizontal Wells from Wellbore Image Logs 1999, AAPG Memoir: Horizontal Wells, Focus on the reservoir. Jorgensen, O., Petersen, N.W. "Formation and Diagenesis of Bedding Cycles in Uppermost Cretaceous Chalks of the Dan Field, Danish North Sea. Sedimentology v.45, p. 223-243" 1998, Scholle, P.A., Albrechtsen, T. and Tirsgaard, H. Making Sense of Water Injection Fractures in the Dan Field" 1997, SPE-38920. Ovens J.E.V., Larsen, F.P., Cowie, D.R. Using 4000 ft Long Induced Fractures to Water Flood the Dan Field 1997, SPE-38558, Larsen F.P., Cowie, D.R., Ovens, J.V. "Horizontal Well Application in a Tight Reservoir with Dual-PVT Description and Stochastic/Matrix Permeability Models" 1997, SPE 37086, Huq, N. and Thomasen, J.B. "Improved Quantification of Matrix Block Shape and Size for Simulation of Naturally Fractured Reservoir" 1997, Abstract for AAPG International Conference and Exhibition, Vienna, Austria. Thomasen, J.B., Willemse, E.J.M. and Sonderskov, C. Underbalanced Coiled-Tubing-Drilled Horizontal Well in the North Sea 1996, SPE-29359, Wodka, P., Tirsgaard, H., Adamsen, C.J., Damgaard, A.P. Formation and Diagenesis of Bedding Cycles in Uppermost Cretaceous Chalks of the Dan Field, Danish North Sea. Sedimentology, v.45, p. 223-243. 1996, Crabtree, B., Fritsen, A., Mandzuich, K., Moe, A., Rasmussen, F.O., Siemers, T., Soiland, G. and Tirsgaard, H. Use of Cyclostratigraphy in Danish Chalks for Field Development and Appraisal. In: Fifth North Sea Chalk Symposium (7-9 October 1996, Reims, France) 1996, Joint Chalk Research Program, Topic V, p. 1-8. Toft, J.C., Albrechtsen, T. and Tirsgaard, H. "Description and Classification of Chalks, North Sea Central Graben. Joint Chalk Research" 1996, Phase IV, NPD, Stavanger. Crabtree, B., Fritsen, A., Mandzuich, K., Moe, A., Rasmussen, F.O., Siemers, T., Soiland, G. and Tirsgaard, H. Water and Surfactant Flooding in Low Permeable Chalk Studied by X-Ray CT Scanning 1995, 8th EAPG Improved Oil Recovery European Symposium, Vienna, Austria. Stenby, 3D Characterization of Fracture Networks in Chalk using Electrical Borehole Images, Danish Central Graben, North Sea 1995, AAPG International Conference, Nice, France. Dart, C., Priisholm, S. Development of a Thin Oil Rim with Horizontal Wells in a Low Relief Chalk Field, Tyra Field, Danish North Sea 1994, SPE-28834. Nykj?r, O. Regnar Development of a Marginal Field 1994, SPE-28859. Thalund, K.M., Brodersen, F.P., Roigaard-Petersen, B. Dipping Fluid Contacts in the Kraka Field, Danish North Sea 1994, SPE-28435. Thomasen, J.B., Jacobsen, N.L. Permeability of Stylolite-Bearing Chalk 1994, SPE-26019. Lind, I., Nykj?r, O., Priisholm, S., Springer, N. Modelling the Seismic Response of Highly Porous Chalk 1994, EAPG/AAPG Worldwide Conference, Copenhagen, Denmark Exploration and Production from Chalk Reservoirs. Uldall, A., Odum, M.R. Porosity Modelling of Danish Chalk 1994, EAPG/AAPG Worldwide Conference, Copenhagen, Denmark - Exploration and Production from Chalk Reservoirs. Nykj?r, O., Odum, M.R. Stress Field Orientation and Fault Trends Offshore Qatar 1994, Middle East Geoscience Conference, Bahrain. Jorgensen, L.N., Brown, A.A., Redekop, G.E. A Multidisciplinary Study for Development Optimisation in a Fractured Chalk Field 1994, 14th World Petroleum Congress, Stavanger, Norway. Thomasen, J.B., Larsen, F.P. Basal Waterflooding of a Tight Chalk Field with Long Horizontal Fractured Injectors 1993, SPE-26802, Nederveen, N., Damm, M. Effects of Tortuosity in Fracture Stimulation of Horizontal Wells 1993, SPE-26796, Kogsboll, H.H., Pitts, M.J., Owens, K.A. A New Method for Removal of Oil in Produced Water 1993, SPE-26775, Rye, S.E., Marcussen, E. Field Implementation of Proppant Slugs to Avoid Premature Screen-Out of Hydraulic Fractures with Adequate Proppant Concentration 1993, SPE-25892. Cleary, M,P., Johnson, D.E., Kogsboll, H.H., Owens, K.A., Perry, K.F,. Practical Considerations of Horizontal Well Fracturing in the Danish Chalk 1992, SPE-25058, Owens, K.A., Pitts, M.J., Klampferer, H.J., Krueger, S.B. Geometry of Hydraulic Fractures Induced from Horizontal Wellbores 1992, SPE-25049, Weijers, L., De Pater, C.J., Owens, K.A., Kogsboll, H.H. Fracturing Pressures for Horizontal Wells 1992, SPE-24822, Owens, K.A., Andersen, S.A., Economides, M.J Geological Aspects of Horizontal Drilling in Chalks from the Danish Sector of the North Sea 1992, 4th Geological Society London Conference - Geology of NW Europe, London, England. Fine, S., Yusas, M.R., Jorgensen, L.N. Dan Field-Denmark: Central Graben, Danish North Sea 1992, AAPG Treatise Petroleum Geology Atlas of Oil and Gas Fields, Structural Traps VI, p. 199-218. Jorgensen, L.N. Today, Maersk Oil is an oil company operating an oil production of some 500,000 barrels per day and a sales gas production of up to some 1,000 million Maersk Olie og Gas AS (Maersk Oil)