Fields: WILLAMAR (GRABEN A-1 SD., N.)
Cum Oil
170k BBL
Cum Gas
40k MCF
casinghead
Wells
7
Production
1993-01 — 2017-05
Peak Month
1997-04
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: 169,841 BBL Cum Gas: 39,794 MCF
RRC production reported through Apr 2026 · recent months incomplete
Decline Curve Analysis
qi
1,376 BBL/mo
Di (annual)
29.4%
b-factor
1.3
EUR
187,089 BBL
R-squared
0.712
type
hyperbolic
Operator History (from monthly production reports)
Wells (7)
| WELL# | API | OPERATOR | PERMITS | DEPTH | LAST_ISSUED |
|---|---|---|---|---|---|
| 162 | 42-489-30629 | CHESTNUT EXPLOR. AND PROD. INC. | 2 | 8,400 | 1991-09-26 |
| 210 | 42-489-30898 | CHESTNUT EXPLOR. AND PROD. INC. | 1 | 9,040 | 1985-12-19 |
| 194 | 42-489-30873 | SHOCO PRODUCTION LLC | 2 | 9,000 | 1985-09-25 |
| 213 | 42-489-30869 | CHESTNUT EXPLOR. AND PROD. INC. | 1 | 7,900 | 1985-06-17 |
| 55 | 42-489-00173 | EXXON CORP. | 1 | 7,946 | 1979-02-16 |
| 42 | 42-489-00174 | CHESTNUT EXPLOR. AND PROD. INC. | -- | -- | -- |
| 72 | 42-489-00167 | CHESTNUT EXPLOR. AND PROD. INC. | -- | -- | -- |