Fields: SHAFTER LAKE (DEVONIAN)
Cum Oil
634k BBL
Cum Gas
602k MCF
casinghead
Wells
6
Production
1993-01 — 2021-05
Peak Month
1993-08
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: 633,743 BBL Cum Gas: 601,910 MCF
RRC production reported through Apr 2026 · recent months incomplete
Decline Curve Analysis
qi
4,816 BBL/mo
Di (annual)
9.4%
b-factor
0.0
EUR
607,680 BBL
R-squared
0.793
type
exponential
Operator History (from monthly production reports)
Wells (6)
| WELL# | API | OPERATOR | PERMITS | DEPTH | LAST_ISSUED |
|---|---|---|---|---|---|
| 5 | 42-003-05369 | HIGHMARK ENERGY OPERATING, LLC | 3 | 9,888 | 1995-10-19 |
| 19 | 42-003-35972 | HIGHMARK ENERGY OPERATING LLC | 2 | 9,950 | 1988-07-18 |
| 20 | 42-003-36105 | HIGHMARK ENERGY OPERATING LLC | 1 | 9,975 | 1988-03-23 |
| 10 | 42-003-05374 | HIGHMARK ENERGY OPERATING LLC | -- | -- | -- |
| 11 | 42-003-05375 | HIGHMARK ENERGY OPERATING LLC | -- | -- | -- |
| 1 L | 42-003-05398 | ARCO OIL & GAS CO. | -- | -- | -- |