COOK RANCH
Field #20321001 · District 8 · --
Leases
77
Operators
29
Cum Oil
2.4M BBL
Cum Gas
98k MCF
Cum Cond
52 BBL
Production
1993-01 — 2026-07
Production History Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
RRC production reported through Apr 2026 · recent months incomplete
Type Curve (normalized avg across leases)
Click Load to compute type curve from lease data
Top Operators
| OPERATOR | LEASES | OIL (BBL) | LAST |
|---|---|---|---|
| STASNEY WELL SERVICE, LLC | 34 | 414k | 2026-04 |
| YOUNG, MARSHALL R., OIL CO. | 16 | 842k | 2026-04 |
| STASNEY, H. R. & SONS, LTD. | 14 | 2k | 2009-06 |
| DH OPERATING, INC. | 2 | 0 | 2016-07 |
| TOM-TOM OPERATING, LLC | 2 | 209k | 2026-04 |
| SEQUOIA FOSSIL FUELS, INC. | 2 | 361k | 2026-04 |
| SCHKADE, LOUIS | 1 | 514 | 1994-01 |
| TAYLOR, RAYMOND C. JR. | 1 | 1k | 1996-06 |
| FRONTIER OPERATING CORPORATION | 1 | 28k | 2016-11 |
| BLUFF CREEK PETROLEUM, LLC | 1 | 4k | 2026-04 |
Lease Types
Leases (77)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | COOK 62/83 | YOUNG, MARSHALL R., OIL CO. | 529k | 21 | 1993-01 | 2026-04 |
| Oil | NEWELL, W. P. -B- | TEXAS ESPERANZA CORPORATION | 402k | 10k | 1993-01 | 2026-04 |
| Oil | NEWELL, W. P., -A- | SEQUOIA FOSSIL FUELS, INC. | 361k | 21 | 1993-01 | 2026-04 |
| Oil | MATTHEWS, ANGI PA | SUBSEA OPERATING CO. | 162k | 0 | 2005-01 | 2026-03 |
| Oil | COOK, W. I. | YOUNG, MARSHALL R., OIL CO. | 133k | 48k | 1993-01 | 2026-04 |
| Oil | NAIL 120 (M-J) | TOM-TOM OPERATING, LLC | 121k | 52 | 1993-01 | 2026-04 |
| Oil | COOK RANCH 88 | STASNEY WELL SERVICE, LLC | 114k | 45k | 2009-07 | 2026-04 |
| Oil | NAIL, J.H. 119 | TOM-TOM OPERATING, LLC | 88k | 66 | 1993-01 | 2026-04 |
| Oil | IVY | STASNEY WELL SERVICE, LLC | 68k | 16k | 2008-08 | 2023-12 |
| Oil | COOK -A-, SECTION 81 | YOUNG, MARSHALL R., OIL CO. | 56k | 21 | 1993-01 | 2026-04 |
| Oil | COOK RANCH 85WS | STASNEY WELL SERVICE, LLC | 41k | 0 | 2013-12 | 2026-04 |
| Oil | COOK -B- SEC. 113 | YOUNG, MARSHALL R., OIL CO. | 35k | 24k | 1993-01 | 2026-04 |
| Oil | COOK, W. I. ESTATES SEC. /139A/ | YOUNG, MARSHALL R., OIL CO. | 31k | 21 | 1993-01 | 2002-07 |
| Oil | COOK RANCH 60SH | STASNEY WELL SERVICE, LLC | 31k | 0 | 2011-11 | 2026-04 |
| Oil | NEWELL, W. P., EST. | FRONTIER OPERATING CORPORATION | 28k | 216 | 1993-01 | 2016-11 |
| Oil | STASNEY RANCH 62/63 | STASNEY WELL SERVICE, LLC | 28k | 0 | 2022-12 | 2026-04 |
| Oil | COOK, W. I., EST. -B- /SEC. 90/ | YOUNG, MARSHALL R., OIL CO. | 24k | 21 | 1993-01 | 2009-01 |
| Oil | COOK RANCH "61" | STASNEY WELL SERVICE, LLC | 21k | 865 | 2008-06 | 2026-04 |
| Oil | STASNEY RANCH 62 | STASNEY WELL SERVICE, LLC | 21k | 0 | 2017-07 | 2026-04 |
| Oil | COOK RANCH 113 | STASNEY WELL SERVICE, LLC | 20k | 2k | 2009-01 | 2020-10 |
| Oil | NEWELL SEC. 86N | YOUNG, MARSHALL R., OIL CO. | 19k | 85 | 1993-01 | 2026-02 |
| Oil | COOK RANCH "60S" | STASNEY WELL SERVICE, LLC | 15k | 4k | 2006-10 | 2024-05 |
| Oil | COOK RANCH 114 | STASNEY WELL SERVICE, LLC | 9k | 0 | 2008-08 | 2022-05 |
| Oil | COOK RANCH 58 | STASNEY WELL SERVICE, LLC | 8k | 0 | 2013-09 | 2023-01 |
| Oil | STASNEY 61 | STASNEY WELL SERVICE, LLC | 8k | 0 | 2024-07 | 2026-04 |
| Oil | COOK "B" SEC.146 | YOUNG, MARSHALL R., OIL CO. | 6k | 21 | 1993-01 | 2007-02 |
| Oil | COOK RANCH 85 | STASNEY WELL SERVICE, LLC | 6k | 12k | 2008-11 | 2026-04 |
| Oil | COOK RANCH 117 | STASNEY WELL SERVICE, LLC | 4k | 0 | 2018-09 | 2026-04 |
| Oil | IVY H | STASNEY WELL SERVICE, LLC | 4k | 0 | 2013-07 | 2025-09 |
| Oil | NAIL 120 | BLUFF CREEK PETROLEUM, LLC | 4k | 0 | 2023-11 | 2026-04 |
| Oil | COOK RANCH 118H | STASNEY WELL SERVICE, LLC | 3k | 0 | 2004-06 | 2012-07 |
| Oil | COOK -A- SEC. 118 | YOUNG, MARSHALL R., OIL CO. | 3k | 13 | 1993-01 | 1994-01 |
| Oil | COOK RANCH 89 | STASNEY WELL SERVICE, LLC | 3k | 0 | 2011-03 | 2026-04 |
| Oil | COOK RANCH 63 | STASNEY WELL SERVICE, LLC | 3k | 0 | 2017-04 | 2023-08 |
| Oil | COOK "A", SEC. 141 | YOUNG, MARSHALL R., OIL CO. | 2k | 14 | 1993-01 | 1994-02 |
| Oil | COOK RANCH 112 H | STASNEY WELL SERVICE, LLC | 2k | 0 | 2004-05 | 2013-12 |
| Oil | COOK RANCH 85S | STASNEY WELL SERVICE, LLC | 2k | 0 | 2014-10 | 2021-09 |
| Oil | COOK-A- SECTION 116 | YOUNG, MARSHALL R., OIL CO. | 2k | 13 | 1993-01 | 1995-05 |
| Oil | COOK RANCH 111A | STASNEY WELL SERVICE, LLC | 2k | 0 | 2020-06 | 2026-04 |
| Oil | COOK "A" SEC. 146 | YOUNG, MARSHALL R., OIL CO. | 2k | 13 | 1993-01 | 1994-01 |
| Oil | COOK RANCH 111H | STASNEY, H. R. & SONS, LTD. | 1k | 4 | 2004-04 | 2004-11 |
| Oil | COOK, W. I. EST. SEC. /139B/ | YOUNG, MARSHALL R., OIL CO. | 1k | 13 | 1993-01 | 1994-01 |
| Oil | NAIL 91A | TAYLOR, RAYMOND C. JR. | 1k | 21 | 1993-01 | 1996-06 |
| Oil | COOK RANCH "60 H" | STASNEY, H. R. & SONS, LTD. | 862 | 2k | 2004-09 | 2007-11 |
| Oil | COOK RANCH 54A | STASNEY WELL SERVICE, LLC | 805 | 0 | 2017-08 | 2022-03 |
| Oil | NAIL "137" | SCHKADE, LOUIS | 514 | 15 | 1993-01 | 1994-01 |
| Oil | COOK "B" SEC 64 | STASNEY, H. R. & SONS, LTD. | 168 | 0 | 2005-03 | 2005-04 |
| Oil | NAIL "A" | THORNTON, MICHAEL D. | 156 | 12 | 1993-06 | 1994-09 |
| Oil | STASNEY COOK 88 | STASNEY WELL SERVICE, LLC | 120 | 0 | 2012-01 | 2013-03 |
| Oil | NEWELL, W.P. 3-1 | SEQUOIA FOSSIL FUELS, INC. | 41 | 12 | 1993-01 | 2001-08 |
| Oil | COOK RANCH 54H | STASNEY, H. R. & SONS, LTD. | 36 | 3k | 2005-04 | 2005-07 |
| Oil | COOK 117B | STASNEY WELL SERVICE, LLC | 0 | 0 | 2011-04 | -- |
| Gas | NEWELL, W.P. "B" | DH OPERATING, INC. | 0 | 25k | 2005-06 | 2016-07 |
| Gas | NEWELL, W.P. "B" | DH OPERATING, INC. | 0 | 35k | 2005-03 | 2016-07 |
| Oil | STASNEY RANCH 140 | STASNEY WELL SERVICE, LLC | 0 | 0 | 2019-08 | -- |
| Gas | COOK RANCH | STASNEY, H. R. & SONS, LTD. | 0 | 7k | 2005-01 | 2005-04 |
| Oil | COOK 118 | STASNEY, H. R. & SONS, LTD. | 0 | 0 | 2004-01 | -- |
| Oil | W I COOK A SEC 88A | STASNEY, H. R. & SONS, LTD. | 0 | 0 | 2004-10 | -- |
| Oil | COOK -B- SECTION 82 | YOUNG, MARSHALL R., OIL CO. | 0 | 0 | 1993-01 | -- |
| Gas | COOK RANCH 54H | STASNEY, H. R. & SONS, LTD. | 0 | 1k | 2005-08 | 2006-11 |
| Oil | COOK RANCH 85B | STASNEY, H. R. & SONS, LTD. | 0 | 0 | 2009-04 | -- |
| Oil | STASNEY RANCH 63 | STASNEY WELL SERVICE, LLC | 0 | 0 | 2022-11 | -- |
| Oil | J. A. MATTHEWS X | STASNEY WELL SERVICE, LLC | 0 | 0 | 2014-10 | -- |
| Oil | COOK -A- SEC. 112 | YOUNG, MARSHALL R., OIL CO. | 0 | 0 | 1993-01 | -- |
| Gas | COOK RANCH 54H | STASNEY, H. R. & SONS, LTD. | 0 | 568 | 2005-10 | 2006-11 |
| Oil | STASNEY'S COOK RANCH "86" | STASNEY WELL SERVICE, LLC | 0 | 0 | 2011-04 | -- |
| Gas | COOK RANCH 85WS | STASNEY WELL SERVICE, LLC | 0 | 9k | 2015-04 | 2017-12 |
| Oil | KNOX 167 | STASNEY WELL SERVICE, LLC | 0 | 0 | 2014-07 | -- |
| Gas | COOK RANCH 54H | STASNEY, H. R. & SONS, LTD. | 0 | 751 | 2005-01 | 2006-11 |
| Oil | COOK RANCH 62H | STASNEY, H. R. & SONS, LTD. | 0 | 473 | 2005-04 | 2005-09 |
| Gas | COOK RANCH 85WS | STASNEY WELL SERVICE, LLC | 0 | 8k | 2015-04 | 2017-12 |
| Oil | STASNEY RANCH 63 | STASNEY WELL SERVICE, LLC | 0 | 0 | 2022-10 | -- |
| Oil | COOK RANCH "60S" | STASNEY, H. R. & SONS, LTD. | 0 | 0 | 2006-12 | -- |
| Gas | COOK RANCH "116" | STASNEY, H. R. & SONS, LTD. | 0 | 11k | 2006-10 | 2009-06 |
| Oil | COOK 88S | STASNEY WELL SERVICE, LLC | 0 | 0 | 2018-08 | -- |
| Oil | COOK RANCH 117D | STASNEY WELL SERVICE, LLC | 0 | 227 | 2009-01 | 2009-01 |
| Oil | COOK "D", SEC. 111 | YOUNG, MARSHALL R., OIL CO. | 0 | 0 | 1993-05 | -- |