COCHRAN, W. C.

Oil // district 10 // lease#828

op: UNION OIL COMPANY OF CALIFORNIA

cum_oil

885k BBL

cum_gas

0 MCF

wells

16

production

1993-01 — 2026-03

peak_month

1993-03

-- production_history

cum_oil: 885,246 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

8,882 BBL/mo

Di (annual)

24.4%

b-factor

0.5

EUR

751,744 BBL

R-squared

0.875

type

hyperbolic

-- wells (16)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
20TEXLAND PETROLEUM, L.P.15,3502021-09-07
1801UNION OIL COMPANY OF CALIFORNIA412,9002017-03-24
12UNION OIL COMPANY OF CALIFORNIA25,3642016-09-27
19PURE RESOURCES, L.P.15,5002001-07-05
16PURE RESOURCES, L.P.16,0002001-03-29
15PURE RESOURCES, L.P.15,5002000-10-27
13UNION OIL COMPANY OF CALIFORNIA15,3501992-12-31
14WUNION OIL COMPANY OF CALIFORNIA15,3501992-12-31
10WICHEVRON U. S. A. INC.15,7001990-09-25
11WICHEVRON U. S. A. INC.15,7001990-09-25
9WICHEVRON U. S. A. INC.15,7001990-09-25
8CHEVRON U. S. A. INC.15,3261990-07-06
4CHEVRON U. S. A. INC.15,3361989-11-01
3CHEVRON U. S. A. INC.15,3331989-05-22
542-135-07641--------
642-135-07642--------
EOF // data source: Texas Railroad Commission // 2026