STEPHEN UNIT

Oil · District 7B · Lease #27652

Operator: UPHAM OIL & GAS COMPANY

Cum Oil

189k BBL

Cum Gas

282k MCF

casinghead

Wells

17

Production

1995-10 — 2019-04

Peak Month

2001-04

Production History

Cum Oil: 189,247 BBL Cum Gas: 281,583 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,395 BBL/mo

Di (annual)

55.3%

b-factor

0.4

EUR

155,105 BBL

R-squared

0.767

type

hyperbolic

Operator History (from monthly production reports)

2016-09 — 2026-07 PALO PINTO BOND COMPANY, LLC 119 mo
2014-10 — 2016-08 SABLE OPERATING COMPANY 23 mo
2001-09 — 2014-09 UPHAM OIL & GAS COMPANY 157 mo
1995-10 — 2001-08 UPHAM, CHESTER R., JR. 71 mo

Wells (17)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
401PALO PINTO BOND COMPANY LLC36,0002011-02-07
105PALO PINTO BOND COMPANY LLC24,2502003-07-17
504PALO PINTO BOND COMPANY LLC14,0002002-07-03
202WPALO PINTO BOND COMPANY LLC14,0001996-01-03
306WPALO PINTO BOND COMPANY LLC14,0001995-11-29
104WPALO PINTO BOND COMPANY LLC14,0001995-11-14
4015WPALO PINTO BOND COMPANY LLC14,0001995-11-01
103UPALO PINTO BOND COMPANY LLC14,6001989-04-12
201UTPALO PINTO BOND COMPANY LLC14,5001988-09-14
503PALO PINTO BOND COMPANY LLC14,5001987-12-18
305PALO PINTO BOND COMPANY LLC14,6001987-11-23
407PALO PINTO BOND COMPANY LLC14,6001987-08-27
502PALO PINTO BOND COMPANY LLC14,6001987-08-05
304PALO PINTO BOND COMPANY LLC14,5001987-05-05
301PALO PINTO BOND COMPANY LLC24,3001987-04-15
101PALO PINTO BOND COMPANY LLC14,3001986-09-22
501PALO PINTO BOND COMPANY LLC14,3001986-08-27