PIERCE RANCH N 4900 UNIT

Oil // district 3 // lease#24336

op: MCGOWAN WORKING PARTNERS, INC.

cum_oil

472k BBL

cum_gas

0 MCF

wells

14

production

2003-05 — 2026-03

peak_month

2004-03

-- production_history

cum_oil: 472,143 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,698 BBL/mo

Di (annual)

18.9%

b-factor

1.4

EUR

666,266 BBL

R-squared

0.805

type

hyperbolic

-- wells (14)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
E 2TEXACO INC.46,5122012-04-26
1RICHARDS PRODUCING COMPANY26,9002001-03-26
4RICHARDS PRODUCING COMPANY26,9001988-03-08
7ARMOUR-RICHARDS HOLDINGS, LTD15,1001987-10-20
J 1RICHARDS PRODUCING COMPANY36,8001983-11-01
J 4RICHARDS PRODUCING COMPANY16,8001983-05-09
E 1TEXACO INC.16,5101983-04-28
J 3RICHARDS PRODUCING COMPANY16,8001983-03-23
6RICHARDS PRODUCING COMPANY16,8001983-02-04
5RICHARDS PRODUCING COMPANY16,5001982-09-03
2RICHARDS PRODUCING COMPANY16,5001982-03-02
E 9TEXACO INC.16,5131977-07-12
E 1042-481-31173--------
E 442-481-31065--------
EOF // data source: Texas Railroad Commission // 2026