Fields: HOWARD GLASSCOCK
Cum Oil
865k BBL
Cum Gas
415k MCF
casinghead
Wells
37
Production
1993-01 — 2011-11
Peak Month
2001-05
Production History Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil: 864,935 BBL Cum Gas: 415,341 MCF
RRC production reported through Apr 2026 · recent months incomplete
Decline Curve Analysis
qi
16,179 BBL/mo
Di (annual)
58.2%
b-factor
1.1
EUR
1,249,109 BBL
R-squared
0.975
type
hyperbolic
Operator History (from monthly production reports)
Wells (37)
| WELL# | API | OPERATOR | PERMITS | DEPTH | LAST_ISSUED |
|---|---|---|---|---|---|
| 24 | 42-227-33923 | GRAYROCK ENERGY II, LLC | 3 | 3,300 | 2001-07-02 |
| 4W | 42-227-30061 | GRAYROCK ENERGY II, LLC | 1 | 3,300 | 2001-07-02 |
| 3 | 42-227-02290 | GRAYROCK ENERGY II, LLC | 1 | 3,250 | 2001-06-11 |
| 9W | 42-227-33910 | GRAYROCK ENERGY II, LLC | 3 | 4,001 | 2001-03-20 |
| 18 | 42-227-02300 | GRAYROCK ENERGY II, LLC | 3 | 4,001 | 2001-02-22 |
| 18R | 42-227-02300 | GRAYROCK ENERGY II, LLC | 3 | 4,001 | 2001-02-22 |
| 14R | 42-227-02297 | GRAYROCK ENERGY II, LLC | 2 | 4,001 | 2001-02-21 |
| 15 | 42-227-02298 | GRAYROCK ENERGY II, LLC | 1 | 4,001 | 2001-02-21 |
| 16 | 42-227-02299 | GRAYROCK ENERGY II, LLC | 3 | 4,001 | 2001-02-21 |
| 19 | 42-227-02301 | GRAYROCK ENERGY II, LLC | 2 | 4,001 | 2001-02-21 |
| 22 | 42-227-30085 | GRAYROCK ENERGY II, LLC | 2 | 4,001 | 2001-02-21 |
| 4 | 42-227-02291 | GRAYROCK ENERGY II, LLC | 2 | 4,001 | 2001-02-21 |
| 55 | 42-227-35647 | GRAYROCK ENERGY II, LLC | 1 | 3,500 | 2001-02-21 |
| 56 | 42-227-35646 | GRAYROCK ENERGY II, LLC | 1 | 3,500 | 2001-02-21 |
| 57 | 42-227-35652 | GRAYROCK ENERGY II, LLC | 1 | 3,500 | 2001-02-21 |
| 58 | 42-227-35651 | GRAYROCK ENERGY II, LLC | 1 | 3,500 | 2001-02-21 |
| 7 | 42-227-02294 | GRAYROCK ENERGY II, LLC | 2 | 4,001 | 2001-02-21 |
| 9 | 42-227-02494 | GRAYROCK ENERGY II, LLC | 1 | 4,001 | 2001-02-21 |
| 50W | 42-227-35650 | GRAYROCK ENERGY II, LLC | 1 | 3,500 | 2001-02-15 |
| 51W | 42-227-35645 | GRAYROCK ENERGY II, LLC | 1 | 3,500 | 2001-02-15 |
| 52W | 42-227-35649 | GRAYROCK ENERGY II, LLC | 1 | 3,500 | 2001-02-15 |
| 53W | 42-227-35648 | GRAYROCK ENERGY II, LLC | 1 | 3,500 | 2001-02-15 |
| 54W | 42-227-35643 | GRAYROCK ENERGY II, LLC | 1 | 3,500 | 2001-02-12 |
| 5 | 42-227-02292 | GRAYROCK ENERGY II, LLC | 1 | 3,300 | 1999-12-03 |
| 3W | 42-227-30056 | GRAYROCK ENERGY II, LLC | 1 | 3,500 | 1998-05-05 |
| 3WI | 42-227-30056 | GRAYROCK ENERGY II, LLC | 1 | 3,500 | 1998-05-05 |
| 17R | 42-227-02341 | GRAYROCK ENERGY II, LLC | 1 | 4,000 | 1997-11-18 |
| 25 | 42-227-33924 | GRAYROCK ENERGY II, LLC | 2 | 2,400 | 1985-12-11 |
| 12W | 42-227-33532 | GRAYROCK ENERGY II, LLC | 1 | 2,400 | 1984-10-18 |
| 1 | 42-227-02289 | CIMAREX ENERGY CO. OF COLORADO | -- | -- | -- |
| 10 | 42-227-02296 | GRAYROCK ENERGY II, LLC | -- | -- | -- |
| 11 | 42-227-02393 | CIMAREX ENERGY CO. OF COLORADO | -- | -- | -- |
| 2 | 42-227-80306 | CIMAREX ENERGY CO. OF COLORADO | -- | -- | -- |
| 21 | 42-227-01904 | GRAYROCK ENERGY II, LLC | -- | -- | -- |
| 23 | 42-227-30086 | CIMAREX ENERGY CO. OF COLORADO | -- | -- | -- |
| 2W | 42-227-30728 | CIMAREX ENERGY CO. OF COLORADO | -- | -- | -- |
| 6 | 42-227-02293 | CIMAREX ENERGY CO. OF COLORADO | -- | -- | -- |