SIMPSON, V. P.

Oil // district 8 // lease#18933

op: ST. JOHNS OPERATING #1 L.P.

cum_oil

49k BBL

cum_gas

0 MCF

wells

22

production

1993-01 — 2026-03

peak_month

1994-01

-- production_history

cum_oil: 49,145 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,503 BBL/mo

Di (annual)

48.2%

b-factor

0.2

EUR

46,706 BBL

R-squared

0.722

type

hyperbolic

-- wells (22)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
S 4SIMPSON OIL & LAND CO.11,2001993-05-19
S 5SIMPSON OIL & LAND CO.11,2001993-05-19
S 3SIMPSON, BOB R.11,2001989-11-29
S 1SIMPSON, BOB R.11,2001989-11-22
S 2SIMPSON, BOB R.11,2001989-11-22
19MERCURY EXPLORATION CO.11,2001988-08-04
21MERCURY EXPLORATION CO.11,2001988-07-25
17MERCURY EXPLORATION CO.11,3501983-05-31
11MERCURY EXPLORATION CO.11,3501982-11-29
13MERCURY EXPLORATION CO.11,3501982-11-29
14MERCURY EXPLORATION CO.11,3501982-11-29
12MERCURY EXPLORATION CO.11,3501982-11-23
10MERCURY EXPLORATION CO.11,3501982-09-16
7MERCURY EXPLORATION CO.11,3501982-09-16
8MERCURY EXPLORATION CO.11,3501982-09-16
9MERCURY EXPLORATION CO.11,3501982-09-16
3MERCURY EXPLORATION CO.11,3501982-09-13
4MERCURY EXPLORATION CO.11,3501982-09-08
5MERCURY EXPLORATION CO.11,3501982-09-08
6MERCURY EXPLORATION CO.11,3501982-09-08
1MERCURY EXPLORATION CO.11,3501982-09-03
2MERCURY EXPLORATION CO.11,3501982-09-02
EOF // data source: Texas Railroad Commission // 2026