SPRAYBERRY FIELD UNIT

Oil · District 8A · Lease #67425

Operator: SIERRA LIMA OIL & GAS, LLC

Cum Oil

2.1M BBL

Cum Gas

422k MCF

casinghead

Wells

13

Production

1995-08 — 2010-08

Peak Month

1998-09

Production History

Cum Oil: 2,149,970 BBL Cum Gas: 421,892 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

38,387 BBL/mo

Di (annual)

50.6%

b-factor

0.0

EUR

910,507 BBL

R-squared

0.922

type

exponential

Operator History (from monthly production reports)

2025-12 — 2026-07 AVIATOR ENERGY, LLC 8 mo
2024-04 — 2025-11 SIERRA LIMA OIL & GAS, LLC 20 mo
2015-10 — 2024-03 SCOUT ENERGY MANAGEMENT LLC 102 mo
2006-05 — 2015-09 PRIMEXX OPERATING CORPORATION 113 mo
1995-08 — 2006-04 FAGADAU ENERGY CORPORATION 129 mo

Wells (13)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11PRIMEXX OPERATING CORPORATION26,0001998-10-19
7AVIATOR ENERGY LLC26,0001996-11-13
12AVIATOR ENERGY LLC16,7001996-08-14
1WSPRIMEXX OPERATING CORPORATION26,9001995-11-10
10AVIATOR ENERGY LLC15,8001995-07-25
9AVIATOR ENERGY LLC25,8001995-07-25
8AVIATOR ENERGY LLC16,0001993-07-30
5AVIATOR ENERGY LLC16,7001992-12-23
4AVIATOR ENERGY LLC16,7001992-02-19
3AVIATOR ENERGY LLC35,8501990-06-01
2AVIATOR ENERGY LLC29,0001989-09-28
1AVIATOR ENERGY LLC15,8501989-01-25
6AVIATOR ENERGY LLC18,9811984-12-07