RUMBAUGH "67"

Oil · District 7B · Lease #26557

Operator: TETRAGON INVESTMENTS, LLC

Cum Oil

357k BBL

Cum Gas

12k MCF

casinghead

Wells

11

Production

1993-01 — 2017-01

Peak Month

1993-11

Production History

Cum Oil: 356,517 BBL Cum Gas: 11,532 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,275 BBL/mo

Di (annual)

41.2%

b-factor

0.2

EUR

264,721 BBL

R-squared

0.611

type

hyperbolic

Operator History (from monthly production reports)

2019-04 — 2026-07 D.K.D. 88 mo
2014-02 — 2019-03 BO DUNAGIN OPERATING, LLC 62 mo
2009-11 — 2014-01 TETRAGON INVESTMENTS, LLC 51 mo
2004-08 — 2009-10 KINNEY INCORPORATED 63 mo
2003-10 — 2004-07 CROWNQUEST OPERATING, LLC 10 mo
2002-04 — 2003-09 L.C.S. PRODUCTION COMPANY 18 mo
2001-09 — 2002-03 SMITH PIPE OF ABILENE 7 mo
1993-01 — 2001-08 CLEAR FORK, INCORPORATED 104 mo

Wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1D.K.D.36,5751996-09-05
1AD.K.D.36,5751996-09-05
11D.K.D.13,7001996-04-12
10D.K.D.13,7001991-01-17
8BO DUNAGIN OPERATING, LLC26,4001985-03-19
202SMITH PIPE OF ABILENE13,8001983-07-01
203SMITH PIPE OF ABILENE13,5651983-07-01
7D.K.D.14,0001983-02-10
5D.K.D.15,5901982-12-09
4D.K.D.16,4901982-11-22
3D.K.D.16,5001982-10-26