GRIFFITH, H. E.

Oil // district 11 // lease#61701

op: S & M ROYALTY

cum_oil

60k BBL

cum_gas

0 MCF

wells

12

production

1993-01 — 2026-03

peak_month

1993-11

-- production_history

cum_oil: 59,755 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

537 BBL/mo

Di (annual)

10.9%

b-factor

0.0

EUR

58,852 BBL

R-squared

0.524

type

exponential

-- wells (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10PENTAD DEVELOPMENT CORP.11,6501979-02-13
8PENTAD DEVELOPMENT CORP.11,6501979-02-13
11PENTAD DEVELOPMENT CORP.11,6501979-02-02
12PENTAD DEVELOPMENT CORP.11,6501979-02-02
9PENTAD DEVELOPMENT CORP.11,6501979-02-02
6PENTAD DEVELOPMENT CORP.11,6001978-09-15
7PENTAD DEVELOPMENT CORP.11,6001978-09-15
4PENTAD DEVELOPMENT CORP.11,6001977-12-20
5PENTAD DEVELOPMENT CORP.11,6001977-11-21
3PENTAD DEVELOPMENT CORP.11,6501977-10-24
142-335-30719--------
242-335-30838--------
EOF // multi-state drilling data platform // 2026