STEWART YATES SAND UNIT

Oil · District 08 · Lease #17768

Operator: WASH, ROBERT C. INC.

Cum Oil

175k BBL

Cum Gas

128 MCF

casinghead

Wells

25

Production

1993-01 — 2011-11

Peak Month

1994-05

Production History

Cum Oil: 175,214 BBL Cum Gas: 128 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,068 BBL/mo

Di (annual)

4.3%

b-factor

0.0

EUR

263,581 BBL

R-squared

0.556

type

exponential

Operator History (from monthly production reports)

2003-01 — 2017-03 WASH, ROBERT C. INC. 171 mo
2002-04 — 2002-12 GRUY PETROLEUM MANAGEMENT CO. 9 mo
2000-03 — 2002-03 PRIZE OPERATING COMPANY 25 mo
1998-11 — 2000-02 VISTA RESOURCES, INC. (A) 16 mo
1994-08 — 1998-10 MIDLAND RES. OPER. CO., INC. 51 mo
1993-01 — 1994-07 TAURUS OPERATING, INC. 19 mo

Wells (25)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
111WASH, ROBERT C. INC.11,4201993-08-16
116WASH, ROBERT C. INC.21,7051993-08-11
116RWASH, ROBERT C. INC.21,7051993-08-11
201WWASH, ROBERT C. INC.11,4771993-08-11
106WASH ROBERT C. INC.11,4301993-02-09
106RWASH ROBERT C. INC.11,4301993-02-09
105WASH ROBERT C. INC.11,4281993-01-20
105RWASH ROBERT C. INC.11,4281993-01-20
104WASH, ROBERT C. INC.11,4251992-11-03
104RWASH, ROBERT C. INC.11,4251992-11-03
124WASH ROBERT C. INC.31,4471992-11-03
124RWASH ROBERT C. INC.31,4471992-11-03
303WWASH, ROBERT C. INC.11,4971992-11-03
303WRWASH, ROBERT C. INC.11,4971992-11-03
138WASH ROBERT C. INC.11,4911982-03-22
10342-227-00043WASH ROBERT C. INC.------
10742-227-00046WASH ROBERT C. INC.------
10842-227-00047WASH ROBERT C. INC.------
109W42-227-00048WASH ROBERT C. INC.------
11242-227-00051WASH ROBERT C. INC.------
11442-227-00053WASH ROBERT C. INC.------
115W42-227-00054WASH ROBERT C. INC.------
30142-227-00007WASH ROBERT C. INC.------
30242-227-00008WASH ROBERT C. INC.------
304W42-227-10003WASH ROBERT C. INC.------