DORIS (COOK,UPPER) UNIT

Oil // district 8 // lease#27819

op: COCKRELL PRODUCTION CO., INC.

fields: DORIS (COOK)

cum_oil

8k BBL

cum_gas

0 MCF

wells

16

production

1996-03 — 2003-08

peak_month

1996-10

-- production_history

cum_oil: 7,515 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

456 BBL/mo

Di (annual)

85.4%

b-factor

0.8

EUR

18,868 BBL

R-squared

0.669

type

hyperbolic

-- wells (16)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1451NGOODROCK NATURAL RESOURCES, LLC37,0002024-08-19
1452NGOODROCK NATURAL RESOURCES, LLC26,7502023-12-19
1642GOODROCK NATURAL RESOURCES, LLC24,2002023-12-15
1456SCOCKRELL PRODUCTION CO., INC.14,1001991-08-02
1455SCOCKRELL PRODUCTION CO., INC.14,1001990-11-21
1456NCOCKRELL PRODUCTION CO., INC.14,2001990-06-25
1454SCOCKRELL PRODUCTION CO., INC.14,1001989-12-14
1453SCOCKRELL PRODUCTION CO., INC.14,1001989-02-14
1643COCKRELL PRODUCTION CO., INC.14,1001989-02-14
1454NCOCKRELL PRODUCTION CO., INC.14,1001988-02-16
1451SCOCKRELL PRODUCTION CO., INC.14,0001988-02-09
1101WCOCKRELL PRODUCTION CO., INC.24,0001988-01-27
1453NCOCKRELL PRODUCTION CO., INC.14,5001987-09-18
1 DWILSON & SONS ENERGY, INC.25,6001987-07-08
1641COCKRELL PRODUCTION CO., INC.14,5001987-03-04
1101EMUNN, W. H. OPERATING COMPANY27,0001986-01-20
EOF // data source: Texas Railroad Commission // 2026