Year | Cost | Change | Unit |
---|---|---|---|
1960 | 102.7 | 0 | Thousand Dollars per Well |
1961 | 94.7 | -8 | Thousand Dollars per Well |
1962 | 97.1 | + 2.4 | Thousand Dollars per Well |
1963 | 92.4 | -4.7 | Thousand Dollars per Well |
1964 | 104.8 | + 12.4 | Thousand Dollars per Well |
1965 | 101.9 | -2.9 | Thousand Dollars per Well |
1966 | 133.8 | + 31.9 | Thousand Dollars per Well |
1967 | 141 | + 7.2 | Thousand Dollars per Well |
1968 | 148.5 | + 7.5 | Thousand Dollars per Well |
1969 | 154.3 | + 5.8 | Thousand Dollars per Well |
1970 | 160.7 | + 6.4 | Thousand Dollars per Well |
1971 | 166.6 | + 5.9 | Thousand Dollars per Well |
1972 | 157.8 | -8.8 | Thousand Dollars per Well |
1973 | 155.3 | -2.5 | Thousand Dollars per Well |
1974 | 189.2 | + 33.9 | Thousand Dollars per Well |
1975 | 262 | + 72.8 | Thousand Dollars per Well |
1976 | 270.4 | + 8.4 | Thousand Dollars per Well |
1977 | 313.5 | + 43.1 | Thousand Dollars per Well |
1978 | 374.2 | + 60.7 | Thousand Dollars per Well |
1979 | 443.1 | + 68.9 | Thousand Dollars per Well |
1980 | 536.4 | + 93.3 | Thousand Dollars per Well |
1981 | 698.6 | + 162.2 | Thousand Dollars per Well |
1982 | 864.3 | + 165.7 | Thousand Dollars per Well |
1983 | 608.1 | -256.2 | Thousand Dollars per Well |
1984 | 489.8 | -118.3 | Thousand Dollars per Well |
1985 | 508.7 | + 18.9 | Thousand Dollars per Well |
1986 | 522.9 | + 14.2 | Thousand Dollars per Well |
1987 | 380.4 | -142.5 | Thousand Dollars per Well |
1988 | 460.3 | + 79.9 | Thousand Dollars per Well |
1989 | 457.8 | -2.5 | Thousand Dollars per Well |
1990 | 471.3 | + 13.5 | Thousand Dollars per Well |
1991 | 506.6 | + 35.3 | Thousand Dollars per Well |
1992 | 426.1 | -80.5 | Thousand Dollars per Well |
1993 | 521.2 | + 95.1 | Thousand Dollars per Well |
1994 | 535.1 | + 13.9 | Thousand Dollars per Well |
1995 | 629.7 | + 94.6 | Thousand Dollars per Well |
1996 | 616 | -13.7 | Thousand Dollars per Well |
1997 | 728.6 | + 112.6 | Thousand Dollars per Well |
1998 | 815.6 | + 87 | Thousand Dollars per Well |
1999 | 798.4 | -17.2 | Thousand Dollars per Well |
2000 | 756.9 | -41.5 | Thousand Dollars per Well |
2001 | 896.5 | + 139.6 | Thousand Dollars per Well |
2002 | 991.9 | + 95.4 | Thousand Dollars per Well |
2003 | 1106 | + 114.1 | Thousand Dollars per Well |
2004 | 1716.4 | + 610.4 | Thousand Dollars per Well |
2005 | 1497.6 | -218.8 | Thousand Dollars per Well |
2006 | 1936.2 | + 438.6 | Thousand Dollars per Well |
2007 | 3906.9 | + 1970.7 | Thousand Dollars per Well |
Year | Year Open - Year Close | Year Min - Year Max | Year Average | Year Change |
---|---|---|---|---|
1960 | 102.7 - 102.7 | 102.7 - 102.7 | 102.7 | 0 |
1961 | 94.7 - 94.7 | 94.7 - 94.7 | 94.7 | 0 |
1962 | 97.1 - 97.1 | 97.1 - 97.1 | 97.1 | 0 |
1963 | 92.4 - 92.4 | 92.4 - 92.4 | 92.4 | 0 |
1964 | 104.8 - 104.8 | 104.8 - 104.8 | 104.8 | 0 |
1965 | 101.9 - 101.9 | 101.9 - 101.9 | 101.9 | 0 |
1966 | 133.8 - 133.8 | 133.8 - 133.8 | 133.8 | 0 |
1967 | 141 - 141 | 141 - 141 | 141 | 0 |
1968 | 148.5 - 148.5 | 148.5 - 148.5 | 148.5 | 0 |
1969 | 154.3 - 154.3 | 154.3 - 154.3 | 154.3 | 0 |
1970 | 160.7 - 160.7 | 160.7 - 160.7 | 160.7 | 0 |
1971 | 166.6 - 166.6 | 166.6 - 166.6 | 166.6 | 0 |
1972 | 157.8 - 157.8 | 157.8 - 157.8 | 157.8 | 0 |
1973 | 155.3 - 155.3 | 155.3 - 155.3 | 155.3 | 0 |
1974 | 189.2 - 189.2 | 189.2 - 189.2 | 189.2 | 0 |
1975 | 262 - 262 | 262 - 262 | 262 | 0 |
1976 | 270.4 - 270.4 | 270.4 - 270.4 | 270.4 | 0 |
1977 | 313.5 - 313.5 | 313.5 - 313.5 | 313.5 | 0 |
1978 | 374.2 - 374.2 | 374.2 - 374.2 | 374.2 | 0 |
1979 | 443.1 - 443.1 | 443.1 - 443.1 | 443.1 | 0 |
1980 | 536.4 - 536.4 | 536.4 - 536.4 | 536.4 | 0 |
1981 | 698.6 - 698.6 | 698.6 - 698.6 | 698.6 | 0 |
1982 | 864.3 - 864.3 | 864.3 - 864.3 | 864.3 | 0 |
1983 | 608.1 - 608.1 | 608.1 - 608.1 | 608.1 | 0 |
1984 | 489.8 - 489.8 | 489.8 - 489.8 | 489.8 | 0 |
1985 | 508.7 - 508.7 | 508.7 - 508.7 | 508.7 | 0 |
1986 | 522.9 - 522.9 | 522.9 - 522.9 | 522.9 | 0 |
1987 | 380.4 - 380.4 | 380.4 - 380.4 | 380.4 | 0 |
1988 | 460.3 - 460.3 | 460.3 - 460.3 | 460.3 | 0 |
1989 | 457.8 - 457.8 | 457.8 - 457.8 | 457.8 | 0 |
1990 | 471.3 - 471.3 | 471.3 - 471.3 | 471.3 | 0 |
1991 | 506.6 - 506.6 | 506.6 - 506.6 | 506.6 | 0 |
1992 | 426.1 - 426.1 | 426.1 - 426.1 | 426.1 | 0 |
1993 | 521.2 - 521.2 | 521.2 - 521.2 | 521.2 | 0 |
1994 | 535.1 - 535.1 | 535.1 - 535.1 | 535.1 | 0 |
1995 | 629.7 - 629.7 | 629.7 - 629.7 | 629.7 | 0 |
1996 | 616 - 616 | 616 - 616 | 616 | 0 |
1997 | 728.6 - 728.6 | 728.6 - 728.6 | 728.6 | 0 |
1998 | 815.6 - 815.6 | 815.6 - 815.6 | 815.6 | 0 |
1999 | 798.4 - 798.4 | 798.4 - 798.4 | 798.4 | 0 |
2000 | 756.9 - 756.9 | 756.9 - 756.9 | 756.9 | 0 |
2001 | 896.5 - 896.5 | 896.5 - 896.5 | 896.5 | 0 |
2002 | 991.9 - 991.9 | 991.9 - 991.9 | 991.9 | 0 |
2003 | 1106 - 1106 | 1106 - 1106 | 1106 | 0 |
2004 | 1716.4 - 1716.4 | 1716.4 - 1716.4 | 1716.4 | 0 |
2005 | 1497.6 - 1497.6 | 1497.6 - 1497.6 | 1497.6 | 0 |
2006 | 1936.2 - 1936.2 | 1936.2 - 1936.2 | 1936.2 | 0 |
2007 | 3906.9 - 3906.9 | 3906.9 - 3906.9 | 3906.9 | 0 |