| |
U.S. drilling true vertical depth records1 |
|
| |
State or District |
Total
depth |
|
Year |
|
Company, well and location |
Formation |
|
|
|
|
| |
Alabama onshore |
21,476 |
|
1992 |
|
Bernard/Hickox, Inc., J Hagerman 9-11 1, Sumter Cnty. |
Silurian |
|
| |
Alabama state waters |
22,163 |
|
1985 |
|
Exxon Corp., S.L. 624-1, Tract 114, N. Central Gulf, Mobile area |
Jurassic/Norphlet |
|
| |
Alaska OCS |
18,303 |
|
1988 |
|
Tenneco, Aurora-1, Beaufort sea |
— |
|
| |
Alaska onshore2 |
21,980 |
|
1998 |
|
BP, Milne Pt. Unit KR-L36; 8-13n-10e, um |
— |
|
| |
Alaska state waters2 |
23,855 |
|
1998 |
|
BP, Prudhoe Bay UN-NIA NK-11; 36-12n-15e, um |
— |
|
| |
Arizona |
18,013 |
|
1980 |
|
Phillips Petroleum, State 1-A, nw se 8-7s-10e |
Precambrian |
|
| |
Arkansas |
20,661 |
|
1992 |
|
Oxy, U.S.A., Danville 1, 33-5n-22w, Yell Cnty. |
Ordovician/Cambrian |
| |
Atlantic OCS |
21,872 |
|
1977 |
|
Ocean Production, COST G-2, Blk. 141, NK 19-2, Lydonia Cnty |
Nugget |
|
| |
California onshore |
24,426 |
|
1987 |
|
Occidental of Elk Hills, Inc., Elk Hills NPR 934-29R, 29-30s-23e, Kern Cnty. |
Miocene |
|
| |
California state waters |
16,666 |
|
1966 |
|
Chevron U.S.A., State 3403-1, 22-3n-24, Ventura Cnty. |
Cretaceous |
|
| |
Colorado |
22,092 |
|
1986 |
|
Celsius Energy, Deep Unit 1, se nw 29-12n-97w, Moffat Cnty. |
Carboniferous |
| |
Delaware |
3,012 |
|
1935 |
|
Cleveland Petroleum Co., Apple Orchard 1, (0d 23-2), 38 23 11n, Bridgeville Cnty. |
Cretaceous |
|
| |
Florida onshore |
18,670 |
|
1975 |
|
Bass Enterprises, Collier Corp. 12-2, nw/4 12-52s-27e, Collier Cnty. |
Jurassic |
|
| |
Florida state waters |
18,011 |
|
1983 |
|
Getty Oil, S.L. 2338-1, East Bay |
Triassic |
|
| |
Georgia |
17,800 |
|
1997 |
|
Rattlesnake Ridge, McNair 1, Turner Cnty. |
Triassic |
|
| |
GOM OCS |
30,217 |
|
2002 |
|
Chevron, U.S.A. OC5-G 20082 Well-1, Green Canyon BLK 640 |
— |
|
| |
Idaho |
18,540 |
|
1982 |
|
Exxon U.S.A., Meyers Federal 1, 14-14n-35e, Clark Cnty. |
Precambrian |
|
| |
Illinois |
14,942 |
|
1976 |
|
Texas Pacific Oil, Streich Comm. 1, Pope Cnty. |
Granite |
|
| |
Indiana |
8,429 |
|
1998 |
|
Kestrel Resources, Inc., Mike Hastings-1, 11-8s-14w, Posey Cnty. |
Ordovician/Cambrian |
| |
Iowa |
17,851 |
|
1987 |
|
Amoco Prod., M.G. Eischeid 1, 6-83n-35w, Carroll Cnty.. |
Precambrian |
|
| |
Kansas |
11,300 |
|
1984 |
|
Texaco U.S.A., Noel Poersch 1, sw sw31-5s-5e, Washington Cnty. |
Precambrian |
|
| |
Kentucky |
15,200 |
|
1977 |
|
Exxon U.S.A., Choice Duncan 1, Carter coord., 5-m-22, Webster Cnty. |
Precambrian |
|
| |
Louisiana North |
25,015 |
|
1985 |
|
Standard Oil, L.W. Magoun 1, Concordia Parish |
— |
|
| |
Louisiana So. onshore |
25,703 |
|
1981 |
|
Martin Expl., Echart 1, St. Landry Parish |
— |
|
| |
Louisiana So. state waters |
22,840 |
|
1968 |
|
Gulf Oil, S.L. 3529-7, W. Delta Blk. 27 |
Miocene |
|
| |
Maryland |
11,617 |
|
1973 |
|
Texas Eastern, Bowman Seibert 2, Accident Quad, Garret Cnty. |
Upper Ordovician |
| |
Massachusetts |
6,000 |
|
1988 |
|
Peter Britton, Patton Well, Hamilton |
Rhyolite |
|
| |
Michigan |
17,466 |
|
1975 |
|
McLure Oil, Sparks, Ecklebarger, Whightsil 1-8, 8-10n-2w, Gratiot Cnty, |
Precambrian |
|
| |
Minnesota |
7,440 |
|
1978 |
|
Turmoil, Inc., Lee Hattenburger 1, se se2-46n-21w, Carlton Cnty. |
Paleoproterozoic |
| |
Mississippi |
25,500 |
|
1986 |
|
FNP Opr. Co., Ltd., ZPtn., Wilson Est. 1, 19-5n-2w, Adams Cnty. |
— |
|
| |
Missouri |
10,089 |
|
1988 |
|
Amoco Prod., Cvo., E.L. Spence Trust 1, Duncan Cnty. |
Lamonte |
|
| |
Montana |
17,818 |
|
1989 |
|
Unocal, Federal 1-B30, 30-14n-5w, Lewis & Clark Cnty. |
Precambrian |
|
| |
Nebraska |
9,971 |
|
1979 |
|
Chevron U.S.A., Chevron-Duncan-Compton 1, 31-16n-58w, Kimball Cnty. |
Precambrian |
|
| |
Nevada |
19,562 |
|
1980 |
|
Mobil Oil, Virgin River U.S.A.-1A, se sw9-15s-68e, Clark Cnty. |
Basement |
|
| |
New Mexico, N.W. |
21,100 |
|
1980 |
|
Shell Oil, Isleta Federal 2, sw nw 16-18n-2e, Bernalillo Cnty. |
Cretaceous |
|
| |
New Mexico, S.E. |
22,926 |
|
1968 |
|
Skelly Oil, Mexico “P” Federal 1, se nw 21 26s-35e |
Ellenburger |
|
| |
New York |
13,500 |
|
1958 |
|
N.Y. State Natural Gas Co. R. Olin 1, Woodhull Town, Steuben Cnty |
Precambrian |
|
| |
North Carolina |
10,044 |
|
1946 |
|
Standard Oil, N.J., Cape Hatteras 1, Dare Cnty. |
Granite |
|
| |
Ohio |
11,442 |
|
1967 |
|
Amerada Hess, Rob. Ullman 1, Sec. 31, Elk Twp., Noble Cnty. |
Precambrian |
|
| |
Oklahoma3 |
31,441 |
|
1974 |
|
Lone Star Prod., Bertha Rogers 1, 27-10n-19w, Washita Cnty. |
Ordovician/Cambrian |
| |
Oregon |
13,177 |
|
1979 |
|
Mobil Oil, Sutherland Unit 1, 36-24s-5w, Douglas Cnty. |
Paleocene |
|
| |
Pacific OCS |
18,312 |
|
1976 |
|
Texaco U.S.A., OCS-P0234-3, Pitas Point Unit |
Neogene |
|
| |
Pennsylvania |
21,640 |
|
1974 |
|
Amoco, Leonard Svetz 1, Middle Creek Twp., Somerset Cnty |
Gatesburg |
|
| |
South Carolina |
12,750 |
|
1984 |
|
Essex O&G, Lightsey 1, 5 mi. west of Williams, Colleton Cnty. |
Triassic |
|
| |
South Dakota |
9,771 |
|
1976 |
|
Ken D. Luff, Inc., Dworshak 1-19, 23n-6e, Harding Cnty. |
— |
|
| |
Tennessee |
11,540 |
|
1982 |
|
Arco O&G, Arco/Oxy Sanford Heirs 1, 21-4s-64e, Anderson Cnty. |
Precambrian |
|
| |
Texas Dist. 1 |
24,031 |
|
1984 |
|
Placid Oil, Peeler 1, McMullen Cnty. |
— |
|
| |
Texas Dist. 2 |
24,760 |
|
1973 |
|
Chevron U.S.A., Ray. G Jacobs 1, Goliad Cnty. |
— |
|
| |
Texas Dist. 3 |
24,348 |
|
1982 |
|
Placid Oil, Dreahn 1, Waller Cnty. |
— |
|
| |
Texas Dist. 4 onshore |
23,834 |
|
1973 |
|
Shell Oil, El Paso-Benavides Ranch 1, Sec. 669, A 162, Webb Cnty. |
Smackover |
|
| |
Texas Dist. 4 state waters |
18,500 |
|
1966 |
|
Mobil Oil, Tex. Gulf 59202-1, Blk. 961-L, Kenedy Cnty. |
Frio |
|
| |
Texas Dist. 5 |
20,307 |
|
1968 |
|
Shell Oil, E.W. Barnett 1, Hill Cnty. |
Undefined Paleozoics |
| |
Texas Dist. 6 |
21,892 |
|
1983 |
|
J.R. Parten, 37 Seven J Stock Farm, J. Durst A-29 Surv., Hou. Cnty. |
Cotton Valley |
|
| |
Texas Dist. 7B |
9,700 |
|
1981 |
|
Ameri Energy, Billy McGinnis 1, Samuel Barrow Sur., Brown Cnty. |
Granite |
|
| |
Texas Dist. 7C |
25,357 |
|
1990 |
|
Exxon Corp., Clifford Gatlin 1, Sec. 44, Blk. D-10, TRCC Surv., Terrell Cnty. |
— |
|
| |
Texas Dist. 8 |
29,670 |
|
1982 |
|
Hunt Energy, Cerf Ranch 1-9, Sec. 9, Blk. 130, T&St. L RR Surv., Pecos Cnty. |
Ellenberger |
|
| |
Texas Dist. 8A |
14,201 |
|
1978 |
|
Shell Oil, Tex. Comm. Bnk. 1, Sec. 112, Blk. G., WTRR Surv., Gaines Cnty.. |
Maxey, Siluro-Devonian |
| |
Texas Dist. 9 |
20,500 |
|
1990 |
|
Heape Expl., C.A. Matthews 1, Murphy Surv., A-7989, Grayson Cnty. |
Wildcat |
|
| |
Texas Dist. 10 |
26,566 |
|
1977 |
|
Chevron U.S.A., R. Ledbetter 1, Sec. 21, Blk. L, J.M. Lindsay Surv., Wheeler Cnty. |
Ellenberger |
|
| |
Utah |
21,874 |
|
1982 |
|
Texaco U.S.A., Thousand Peaks Ranch 1, 12-1n-8e, Summit Cnty. |
Triassic/Nugget |
| |
Vermont |
6,968 |
|
1984 |
|
Columbia Gas Transmission, David & Jean Burner 1, Fairfield, Franklin Cnty. |
Pinnacle/Cambrian |
| |
Virginia |
17,003 |
|
1977 |
|
Gulf Oil, Price 1, Hansonville Quad, Russell Cnty. |
Precambrian |
|
| |
Washington offshore |
13,179 |
|
1966 |
|
Shell Oil, 1A-ET, Lease P-0150, 10 mi. off Pacific Cnty. |
Miocene |
|
| |
Washington onshore |
17,518 |
|
1983 |
|
Shell Oil, BN 1-9, 9-15n-25e, Grant Cnty. |
Chumstick |
|
| |
West Virginia |
20,222 |
|
1974 |
|
Exxon U.S.A., Gainer Lee 1, Center District, Calhoun Cnty. |
Basement |
|
| |
Wisconsin |
4,966 |
|
1992 |
|
Terra Energy Ltd., Terra-Patrick 7-22, nw se22-47n-6w, Bayfield Cnty. |
Middle Proterozoic |
| |
Wyoming |
25,821 |
|
2001 |
|
Burlington Resources, Bighorn 6-27, Madden field, 27-t39n-r90w, Fremont City |
Madison |
|
| |
1All records provided by state and federal agencies.
2
Measured depth, not true vertical
3Current U.S. drilling depth record |
|
|
