Fields: TUMBLEWEED, NE. (TANNEHILL)
Cum Oil
153k BBL
Cum Gas
0 MCF
Wells
4
Production
2005-09 — 2026-04
Peak Month
2006-11
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: 153,091 BBL Cum Gas: 0 MCF
RRC production reported through Apr 2026 · recent months incomplete
Decline Curve Analysis
qi
3,604 BBL/mo
Di (annual)
55.7%
b-factor
0.4
EUR
126,349 BBL
R-squared
0.901
type
hyperbolic
Operator History (from monthly production reports)
Wells (4)
| WELL# | API | OPERATOR | PERMITS | DEPTH | LAST_ISSUED |
|---|---|---|---|---|---|
| 1A | 42-269-32665 | SCHALK OIL COMPANY, INC. | 1 | 4,200 | 2006-10-04 |
| 6 | 42-269-32659 | SCHALK OIL COMPANY, INC. | 1 | 4,200 | 2006-09-18 |
| 5 | 42-269-32656 | SCHALK OIL COMPANY, INC. | 1 | 4,200 | 2006-08-01 |
| 2 | 42-269-32595 | SCHALK OIL COMPANY, INC. | 2 | 4,100 | 2005-08-24 |