Fields: SHAFTER LAKE (ELLENBURGER)
Cum Oil
86k BBL
Cum Gas
11k MCF
casinghead
Wells
6
Production
1993-01 — 2013-11
Peak Month
1993-07
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: 86,425 BBL Cum Gas: 11,240 MCF
RRC production reported through Apr 2026 · recent months incomplete
Decline Curve Analysis
qi
667 BBL/mo
Di (annual)
12.0%
b-factor
0.0
EUR
66,749 BBL
R-squared
0.426
type
exponential
Operator History (from monthly production reports)
Wells (6)
| WELL# | API | OPERATOR | PERMITS | DEPTH | LAST_ISSUED |
|---|---|---|---|---|---|
| 8 | 42-003-05372 | ATLANTIC RICHFIELD CO. | 1 | 11,805 | 1988-08-18 |
| E 8 | 42-003-05372 | ATLANTIC RICHFIELD CO. | 1 | 11,805 | 1988-08-18 |
| 13W | 42-003-05377 | HIGHMARK ENERGY OPERATING LLC | 1 | 11,805 | 1985-10-28 |
| F 8 | 42-003-34435 | HIGHMARK ENERGY OPERATING LLC | 1 | 11,825 | 1984-08-13 |
| 9W | 42-003-05373 | HIGHMARK ENERGY OPERATING LLC | -- | -- | -- |
| E 9 | 42-003-05373 | HIGHMARK ENERGY OPERATING LLC | -- | -- | -- |