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

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Figure 68a shows that the average deepwater oil completion currently produces at 20 times the rate of the average shallow water (less than 1,000 ft [305 m]) oil completion. The average deepwater gas completion currently produces at 8 times the rate of the average shallow-water gas completion (figure 68b). Deepwater oil production rates increased rapidly from 1996 through 2000 and remained steady since that time. Deepwater gas production rates rose from 1996 to mid-1997 and then stabilized at the current high rates. Two trends are readily apparent in figures 69a-b. First, average oil and gas production rates per well are increasing and, secondly, production rates are declining from their peaks more rapidly in recent years. These figures plot monthly average oil and gas production rates for all wells completed in a specific year. For example, in figure 69a, the 1992 line represents oil well production for oil wells completed in 1992 divided by the number of oil wells completed in that year. The 1992 line tracks production from these completions in successive years. Figures 70a (oil) and 70b (gas) compare maximum historical production rates for each lease in the GOM, i.e., the well with the highest historical production rate is shown for each lease. These maps show that many deepwater fields produce at some of the highest rates encountered in the GOM. Figure 70a also shows that maximum oil rates were significantly higher off the southeast Louisiana coast than off the Texas coast. Figure 70b illustrates the high deepwater gas production rates relative to the rest of the GOM. Note also the excellent production rates from the Norphlet trend (off the Alabama coast) and the Corsair trend (off the Texas coast). 96
4,000 3,500 Shallow water Deepwater 3,000 Barrels of Oil per Day 2,500 2,000 1,500 1,000 500 0 Jan-92 Jan-93 Jan-94 Jan-95 Jan-96 Jan-97 Jan-98 Jan-99 Jan-00 Jan-01 Jan-02 Month Figure 68a. Average production rates for shallow-water and deepwater oil well completions. 30,000 25,000 Shallow water Deepwater Thousand Cubic Feet of Gas per Day 20,000 15,000 10,000 5,000 0 Jan-92 Jan-93 Jan-94 Jan-95 Jan-96 Jan-97 Jan-98 Jan-99 Jan-00 Jan-01 Jan-02 Month Figure 68b. Average production rates for shallow-water and deepwater gas well completions. 97
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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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Page 59 and 60: 2004 - 2005 (741 leases) Louisiana
Page 61 and 62: 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: 45,000 40,000 Max oil rate 1,000-1,
Page 113 and 114: Texas Auger Louisiana SS182 Troika
Page 115 and 116: SUMMARY AND CONCLUSIONS This report
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 160 and 161:
Area Block API Number Operator Comp
Page 162 and 163:
Area Block API Number Operator Comp
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Year Shallowwater Oil (MBOPD) Deepw
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