HIGHMARK ENERGY OPERATING LLC: wells in Texas
- 2,143wells on record
- 823active
- 600shut in or idle
- 720plugged
- 249disposal / injection
HIGHMARK ENERGY OPERATING LLC has 2,143 wells on record with the Railroad Commission of Texas, ranking #68 among Texas operators by active wells. Its wells are spread across 19 counties, led by Montgomery County with 724 (34%). 823 of its wells (38%) are active, above the statewide share of 27%, and 600 are shut in or temporarily abandoned. Of the 2,130 wells for this operator with a type on record, 66% are oil wells, 12% disposal or injection wells and 11% gas wells. Drilling records for this operator go back to 1933. Of the 1,865 wells with a drilling date, 238 (13%) were drilled in 2016 or later, the most recent in 2025. 185 wells have been plugged since 2016. Wells with a recorded depth average 7,045 ft.
All of this operator's wells, every state, one download →
Also operates in OK (35), LA (752), MS (470).
Where they operate
Click a county to map just HIGHMARK ENERGY OPERATING LLC's wells there.
Wells
Not plugged · All wells · Plugged · Orphaned · Disposal (SWD) and injection
| Well | API / ID | Status | Type |
|---|---|---|---|
| SHELL-PERKINS 8 | 42-003-34820 | Shut in | Oil |
| SHELL-PERKINS 5 | 42-003-34451 | Shut in | Oil |
| SHELL-PERKINS 10 | 42-003-39715 | Active | Oil |
| SHELL-PERKINS 9 | 42-003-35530 | Shut in | Oil |
| SLAVIN 110 2H | 42-357-32962 | Active | Oil |
| SOUTH TEXAS DEVELOPMENT CO. 1 102P | 42-339-31027 | Temporarily abandoned | Gas |
| SOUTH TEXAS DEVELOPMENT CO. 1 104P | 42-339-31038 | Temporarily abandoned | Gas |
| SOUTHLAND ROYALTY D 1 | 42-003-33150 | Active | Oil |
| SOUTHLAND ROYALTY -C- 1 | 42-003-03376 | Active | Oil |
| SOUTHLAND ROYALTY -C- 2 | 42-003-03378 | Active | Oil |
🔒 See all 2,143 wells this operator runs, with filters and paging. Start Basic | |||
HIGHMARK ENERGY OPERATING LLC in Texas: questions
How many wells does HIGHMARK ENERGY OPERATING LLC operate in Texas?
2,143 wells are on record, 823 of them active and 600 shut in or temporarily abandoned; 720 are plugged.
Where does HIGHMARK ENERGY OPERATING LLC operate in Texas?
In 19 counties. The most wells are in Montgomery County (724), then Terry (491).
Is HIGHMARK ENERGY OPERATING LLC still drilling in Texas?
Its records show 238 wells drilled in 2016 or later, the most recent in 2025.
Operator names are shown as each state records them. Data as of 2026-10-17.