CONROE FIELD UNIT

Oil · District 03 · Lease #11664

Operator: EXXON CORP.

Cum Oil

261k BBL

Cum Gas

2.8M MCF

casinghead

Wells

28

Production

1993-01 — 1997-05

Peak Month

1996-03

Production History

Cum Oil: 260,837 BBL Cum Gas: 2,835,053 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,089 BBL/mo

Di (annual)

14.6%

b-factor

0.0

EUR

501,137 BBL

R-squared

0.633

type

exponential

Operator History (from monthly production reports)

1993-01 — 1997-10 EXXON CORP. 58 mo

Wells (28)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1715HIGHMARK ENERGY OPERATING, LLC13,8872003-01-15
709HIGHMARK ENERGY OPERATING, LLC25,6002002-09-26
1712HIGHMARK ENERGY OPERATING, LLC15,0102002-04-23
1006IHIGHMARK ENERGY OPERATING, LLC25,1412001-08-09
4005HIGHMARK ENERGY OPERATING, LLC14,9861993-02-04
1004HIGHMARK ENERGY OPERATING, LLC35,1661992-08-13
2709HIGHMARK ENERGY OPERATING, LLC35,4001991-02-01
2926HIGHMARK ENERGY OPERATING, LLC15,1521991-02-01
1404HIGHMARK ENERGY OPERATING, LLC15,1451989-09-21
306HIGHMARK ENERGY OPERATING, LLC15,1251989-08-24
1920HIGHMARK ENERGY OPERATING, LLC15,1641986-05-29
1005EXXON CORP.15,1571986-05-08
4215HIGHMARK ENERGY OPERATING, LLC15,1191986-05-05
2011EXXON CORP.15,1181985-05-23
171142-339-00325EXXON CORP.------
171342-339-00332HIGHMARK ENERGY OPERATING, LLC------
200242-339-01341HIGHMARK ENERGY OPERATING, LLC------
270642-339-00567HIGHMARK ENERGY OPERATING, LLC------
271442-339-00566EXXON CORP.------
291142-339-00372HIGHMARK ENERGY OPERATING, LLC------
300442-339-00370HIGHMARK ENERGY OPERATING, LLC------
330542-339-00438GETTY OIL CO.------
333642-339-30119EXXON CORP.------
402342-339-01265HIGHMARK ENERGY OPERATING, LLC------
402442-339-01266HESTER B. M.------
402642-339-01268MCALESTER FUEL CO.------
403042-339-01298EXXON CORP.------
71542-339-30058EXXON CORP.------