Deepwater Gulf of Mexico 2004: America's Expanding ... - OCS BBS

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Texas WC580 Louisiana EC334 SM40 Popeye Mississippi MO823 MO869 Mars Alabama Mensa Tahoe SS239 100 1000 ft 1500 ft 5000 ft Auger 7500 ft 200,000 160,000 120,000 80,000 40,000 Maximum Gas Rate (MCF per day) Figure 70b. Maximum historical gas production rates for Gulf of Mexico wells.
SUMMARY AND CONCLUSIONS This report has discussed • significant new discoveries that open large new geologic plays; • technological innovations and new concepts (e.g., hydrate potential, impact of loop currents, and LNG terminals) that may have significant effects on the energy outlook of the GOM; • sustained deepwater leasing activity and stabilized average bid amounts per block; • deepwater leaseholdings of major oil and gas companies compared with nonmajor companies, showing the increased presence of nonmajor companies; • future deepwater lease availability and anticipated lease expirations; • declines in deepwater drilling; • the progression of exploration activities, and the resulting discoveries, into the ultra-deep frontier; • the extension of development activities and infrastructure, which include subsea wells, hubs, and pipelines reaching into ever deeper waters; • the anticipated large deepwater reserve additions, especially when unproved reserves, known resources, and recent industry-announced discoveries are considered; • the large increase in average deepwater field sizes when compared with same-year, shallow-water discoveries; • predictions for future large deepwater field discoveries; • the increasing contribution of deepwater oil and gas production toward total GOM production; • the domination by major oil companies in deepwater production, led by Shell and BP; and • the production rates of deepwater wells exceeding those of shallow-water wells by 800 to 2,000 percent. The remainder of this report combines historical leasing, drilling, development, reserve, and production data, revealing overall trends in deepwater activity and expectations. Figure 71 illustrates deepwater projects that began production in 2003 and those expected to commence production in the next 4 years. Twelve deepwater projects began production in 2003, another 13 are expected to begin in 2004, and many more are expected in the following years. In addition to the projects shown in figure 71, many more are likely to come online in the next few years, but are not shown because operators have not yet announced their plans. DEVELOPMENT CYCLE There was considerable lease activity in the late 1980’s (figure 72). (Note that historic deepwater leasing shows no clear relation to average oil or gas prices.) Acreage at Auger (Garden Banks Block 426) was acquired in 1985 as part of this early activity. The first Auger well was drilled soon after in 1987. Even though Auger was leased and drilled early, first production did not begin until 1994, approximately 10 years after the initial lease acquisition. Acreage at Thunder Horse (Mississippi Canyon Block 778) was acquired in 1988; however, the discovery was not drilled until 1999, and production is not anticipated until 2005. This large gap highlights the considerable lag between leasing and first production. These lags are not unusual with complex deepwater developments. In contrast, other deepwater projects, 101
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ON COVER - The cover features four
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Table of Contents Page PREFACE.....
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Figures Page Figure 1. The Gulf of
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Figures — continued Page Figure 5
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Tables Page Table 1 List of Deepwat
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INTRODUCTION The deepwater Gulf of
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BACKGROUND DEFINITIONS The GOM Oute
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EXPANDING FRONTIER When the origina
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1992 - 1993 Louisiana Mississippi A
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1992 - 2003 Texas Louisiana Mississ
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fffffffffffffffff 1500 ft Quaternar
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In addition to the traditional oil
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15 Figure 8. Gas hydrates on the se
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4,500 4,000 Number of Active Leases
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ENVIRONMENTAL ACTIVITY The extensiv
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Operators submit a remotely operate
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25 Figure 15. Loop and eddy current
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29 Deepwater Discoveries $ #Y Texas
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31 Texas ð PORT ARANSAS 1000 ft 15
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Louisiana Mississippi Alabama 33 Te
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Pipelines New pipelines Proposed pi
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LEASING Until the mid-1990's, leasi
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Number of Leases Bid On 600 500 400
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2004 - 2005 (741 leases) Louisiana
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DRILLING AND DEVELOPMENT Deepwater
Page 63 and 64: 49 Figure 30. The Discoverer Deep S
Page 65 and 66: 51 Number of Wells Spudded 250 200
Page 67 and 68: 120 > 7,500 ft 107 108 100 5,000 -
Page 69 and 70: 1998 - 1999 Louisiana Mississippi A
Page 71 and 72: 1998 - 1999 Louisiana Mississippi A
Page 73 and 74: 180 160 Deepwater EP Deepwater DOCD
Page 75 and 76: 340 626 390 472 472 456 393 475 590
Page 77 and 78: Year of First Production Table 4 De
Page 79 and 80: Year of First Production Table 4 De
Page 81 and 82: A predominant workhorse of the GOM
Page 83 and 84: 3 Number Installed 2 1 0 2004 69 TL
Page 85 and 86: Flow lines to host platform Subsea
Page 87 and 88: 140 131 120 100 78 Number of Wells
Page 89 and 90: RESERVES AND PRODUCTION The deepwat
Page 91 and 92: 77 Million Barrels of Oil Equivalen
Page 93 and 94: 18 16 14 12 10 8 Number of Fields 6
Page 95 and 96: 81 Million Barrels of Oil Equivalen
Page 97 and 98: 45,000 40,000 Million Barrels Oil E
Page 99 and 100: 1992-1993 1994-1995 1996-1997 Lease
Page 101 and 102: S hallo w- wa ter GOM 11% Deepwater
Page 103 and 104: 1,200,000 1,000,000 Total productio
Page 105 and 106: 1,100,000 1,000,000 Subsea oil Tota
Page 107 and 108: 900,000 800,000 Majors Nonmajors 70
Page 109 and 110: 45,000 40,000 Max oil rate 1,000-1,
Page 111 and 112: 4,000 3,500 Shallow water Deepwater
Page 113: Texas Auger Louisiana SS182 Troika
Page 117 and 118: 2,500 Number of leases Average U.S.
Page 119 and 120: Number of Years 14 12 leas es in p
Page 121 and 122: data for this analysis include only
Page 123 and 124: 80 2500 70 60 Number of leases dril
Page 125 and 126: 4,500 4,000 3,500 Leases tested Lea
Page 127: • Nonmajor companies have made mo
Page 131: REFERENCES Bascle, B. J., L. D. Nix
Page 134 and 135: Project Name Area/Block Water Depth
Page 146 and 147: Sale Number Sale Location Sale Date
Page 148 and 149: Completed Studies [MMS Study Number
Page 150 and 151: Group Name Company Name MMS Number
Page 152 and 153: Group Name Company Name MMS Number
Page 154 and 155: Appendix G. Subsea Completions. Are
Page 156 and 157: Area Block API Number Operator Comp
Page 158 and 159: Area Block API Number Operator 144
Page 164 and 165:
Year Shallowwater Oil (MBOPD) Deepw
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