SWAIM RANCH "C"

Oil · District 7C · Lease #8804

Operator: SUBSURFACE PRODUCTION, INC.

Cum Oil

16k BBL

Cum Gas

3k MCF

casinghead

Wells

3

Production

1993-01 — 2025-12

Peak Month

2002-03

Production History

Cum Oil: 15,503 BBL Cum Gas: 2,671 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

87 BBL/mo

Di (annual)

452.8%

b-factor

0.9

EUR

836 BBL

R-squared

0.303

type

hyperbolic

Operator History (from monthly production reports)

2019-09 — 2026-07 OTEX LLC 83 mo
2011-07 — 2019-08 PENTERGY OPERATING, LLC 98 mo
2004-06 — 2011-06 SUBSURFACE PRODUCTION, INC. 85 mo
1993-01 — 2004-05 MORROW RESOURCES, INC. 137 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4OTEX LLC23,4001983-09-28
5OTEX LLC13,0491981-11-20
3OTEX LLC13,3001980-11-17