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Historic Overview of OCS Oil & Gas Leasing Offshore
California
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Between 1963 and 1984, the U.S. Department
of the Interior issued 371 oil and gas leases
in federal waters offshore California. Seventy-nine leases
remained by the end of 2000. Lessees had relinquished 176
of these leases between 1963 and 1995, while another 116 lease
expired or terminated between 1973 and 1999. None of the relinquished
or terminated leases ever produced oil or gas.
The 79 leases remaining as of the beginning of the year 2001
include four existing leases offshore Orange County (Beta
Unit), 11 offshore Ventura County (Cavern Point, Santa Clara,
and Point Hueneme Units), 62 offshore Santa Barbara County,
and two offshore San Luis Obispo County.
30 of these 79 remaining leases are actively
producing
Another 13 leases are situated
in producing units
but do not have actively producing wells
The remaining 36 leases have not yet produced
and, with one exception, are situated in units that have not
yet produced. Their terms have ranged from 17 to 33 years
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Federal Lease Sales Offshore California
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Lease Sale
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Year
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No. of Leases
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Location
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Lease Numbers
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Status
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Currently Existing[1]
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No Longer Existing[2]
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Producing
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Never Produced
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Relinquished
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Expired
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Terminated
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P-1
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1963
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57
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Central & Northern California
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007-064
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0
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0
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57 (1963-1967)
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0
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0
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P-3
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1966
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1
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Eastern Santa Barbara Channel
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166
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1
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0
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0
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0
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0
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P-4
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1968
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72*
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Santa Barbara Channel
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167-241
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25
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1 (No. 210 – Cavern Pt. Unit)
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31 (1969-1990)
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14 (1973-1978)
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1 (1993)
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35
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1975
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56
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Santa Rosa & Cortes Ridges, offshore Santa
Barbara Isl; San Pedro Bay
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242-311
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4 (Beta Unit)
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0
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27 (1979-1981)
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22 (1980-1981)
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3 (1981-1982)
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48
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1979
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55*
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Santa Barbara Channel, Santa Rosa—Cortes Ridges,
San Pedro Bay
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315-369
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5 (Pt. Arguello, Santa Ynez,
Pitas Pt. Units)
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4 (Nos. 319, 320, 322, 323 –
Sword Unit)
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13 (1982-1994)
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31 (1984-1985)
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2 (1984-1987)
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53
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1981
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60
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Santa Maria Basin (from Morro Bay south to
Pt. Conception)
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373-453
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7 (Pt. Ped., Tranq., Pt. Arguello
Units)
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26[3]
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13 (1984-1995)
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14 (1986-1999)
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0
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68
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1982
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29
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Santa Barbara Chan; due south of Channel Islands
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456-490
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1 (No. 461 --Santa Ynez Unit)
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2 (Nos. 460 & 464 – Gato
Cyn. Unit)
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14 (1986-1994)
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10 (1987-1999)
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2 (1987-1993)
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RS-2
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1982
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10
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Santa Maria Basin offshore Pt. Pedernales
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491-502
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0
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2 (Nos. 499-500 – Bonito Unit)
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2 (1985-1987)
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6 (1987)
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0
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73
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1983
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8
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Santa Maria Basin
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503-510
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0
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0
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7 (1987-1992)
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0
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1 (1990)
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80
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1984
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23
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From Pt. Conception to south of U.S.-Mex.
border
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511-535
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0
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1 (No. 527 – Cavern Pt. Unit)
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12 (1987-1994)
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7 (1989)
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3 (1990)
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Totals
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371
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43
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36
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176
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104
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12
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* Includes segregation of one lease into two
with one being reassigned to another lessee.
[1]Includes
actively producing leases and non-producing leases situated within
producing units.
[2]Relinquished
refers to leases voluntarily surrendered by the lessee(s); expired
refers to leases whose term has ended and where no action is taken
to extend it; terminated refers to a lease extended beyond its
term and where no further action (i.e., operations, production
or other) is taken to extend it.
[3]Leases 396, 397,
402, 403, 408, & 414 in the Lion Rock Unit; non-unitized lease
409; 415, 416, 421, & 422 in the Point Sal Unit; 425, 430,
431, 433, & 434 in the Santa Maria Unit; 426, 427, 432, &
435 of the Purisima Pt. Unit; nos. 443, 445, 446, & 449 of
the Bonito Unit; 452 & 453 in the Rocky Point Unit.
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