FOUR C SAN ANDRES UNIT

Oil // district 10 // lease#34031

op: WARREN, JOE H.

cum_oil

1.2M BBL

cum_gas

0 MCF

wells

38

production

1993-11 — 2026-03

peak_month

1999-12

-- production_history

cum_oil: 1,248,742 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

4,446 BBL/mo

Di (annual)

3.2%

b-factor

0.0

EUR

1,323,336 BBL

R-squared

0.781

type

exponential

-- wells (38)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
22FOUR C OIL & GAS CORP.12,5002012-09-24
23FOUR C OIL & GAS CORP.12,5002012-09-24
24FOUR C OIL & GAS CORP.12,5002012-09-24
19FOUR C OIL & GAS CORP.22,5002006-01-05
20FOUR C OIL & GAS CORP.22,5002006-01-05
21FOUR C OIL & GAS CORP.22,5002006-01-05
18SFOUR C OIL & GAS CORP.22,5002002-10-22
16SWARREN, JOE H.13,0002001-10-18
17SWARREN, JOE H.13,0002001-08-23
15SWARREN, JOE H.12,9002001-03-16
14SWARREN, JOE H.12,4201999-08-27
12SWARREN, JOE H.12,4001997-05-29
13SWARREN, JOE H.12,4001997-05-29
10IWARREN, JOE H.24,0001997-01-15
9IWARREN, JOE H.24,0001995-10-20
2IWARREN, JOE H.12,4501994-04-26
3 IWARREN, JOE H.12,3751994-04-26
3WWARREN, JOE H.12,3751994-04-26
6IWARREN, JOE H.24,2001994-04-18
8IWARREN, JOE H.12,3621994-04-14
10SWARREN, JOE H.12,4001993-10-11
4IWARREN, JOE H.13,0401991-02-28
7SFOUR C OIL & GAS CORP.12,4001988-03-18
6SWARREN, JOE H.12,4001984-05-02
7IFOUR C OIL & GAS CORP.24,8001979-11-05
11SFOUR C OIL & GAS CORP.22,5001978-08-04
8SFOUR C OIL & GAS CORP.12,5001978-01-06
4SFOUR C OIL & GAS CORP.13,0001977-07-08
5IRFOUR C OIL & GAS CORP.13,0001977-07-08
142-371-31458--------
1I42-371-31587--------
1S42-371-31656--------
2S42-371-31655--------
3I42-371-31458--------
3S42-371-31839--------
4SR42-371-31458--------
5S42-371-31710--------
9S42-371-31538--------
EOF // data source: Texas Railroad Commission // 2026