Fields: CALLAHAN COUNTY REGULAR
Cum Oil
69k BBL
Cum Gas
42 MCF
casinghead
Wells
8
Production
1993-01 — 2024-07
Peak Month
1998-11
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: 68,612 BBL Cum Gas: 42 MCF
RRC production reported through Apr 2026 · recent months incomplete
Decline Curve Analysis
qi
270 BBL/mo
Di (annual)
8.9%
b-factor
0.0
EUR
35,844 BBL
R-squared
0.586
type
exponential
Operator History (from monthly production reports)
Wells (8)
| WELL# | API | OPERATOR | PERMITS | DEPTH | LAST_ISSUED |
|---|---|---|---|---|---|
| 3 U | 42-059-31287 | GRAYROCK ENERGY II, LLC | 3 | 5,000 | 2012-10-15 |
| 3U | 42-059-31287 | GRAYROCK ENERGY II, LLC | 3 | 5,000 | 2012-10-15 |
| 8 | 42-059-32242 | GRAYROCK ENERGY II LLC | 1 | 3,300 | 1979-05-03 |
| 7 | 42-059-32199 | GRAYROCK ENERGY II LLC | 1 | 3,200 | 1979-03-13 |
| 6 | 42-059-31899 | GRAYROCK ENERGY II LLC | 1 | 3,300 | 1977-12-29 |
| 4 | 42-059-31852 | GRAYROCK ENERGY II LLC | 1 | 3,300 | 1977-10-25 |
| 1 U | 42-059-30948 | PETRANOL AMERICA INC. | -- | -- | -- |
| 2 | 42-059-31143 | NUEVE OPERATING CO. OF TEXAS | -- | -- | -- |