OPERATORS · RRC 252131 · P-5 STATUS Y
Enervest Oper, L.L.C
Houston, TX · most active in Hemphill County
Watch this operatorEnervest Oper, L.L.C was issued 1 drilling permit in the past 12 months, after a quiet prior year, all in Hemphill County. 0% were horizontal.
None were issued in the past 90 days.
The RRC wellbore file lists 309 wells under its operatorship.
1,249 drilling permits have been issued to this operator number since 1995; its P-5 organization report was last filed October 4, 2025.
- 1
- permits, last 12 months
- —
- vs prior 12 months (0)
- 1
- counties, 12 months
- 0
- producing wells, of 309 of record
- 344
- leases it reports
- 0%
- horizontal, 12 months
WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026
From permit to spud
FROM THE DATES ON ITS W-1 PERMITS · ALL TIME
A permit is a plan, not a well. These figures count only permits old enough to have spudded, six months and more, and read the spud, cancel, and expiry dates the RRC records on each one.
- 75%
- spud rate · 937 of 1,249 mature permits
- 48
- median days permit to spud · middle half 25–93
- 0
- spuds, last 180 days
- 0%
- cancelled · 0 permits
- 312
- expired undrilled
- 39
- permits a year over 32 active years
Permits issued by month
LAST 1 MONTHS · BY ISSUE DATE
Last 12 months 1
Where
Counties by permits in the last 12 months, with all-time permits and current wells of record there.
| County | 12 mo | All time | Wells | Last |
|---|---|---|---|---|
| Hemphill county → | 1 | 13 | 12 | Mar 6, 2026 |
| Parker county → | — | 166 | 12 | Jan 7, 2015 |
| Wise county → | — | 140 | 8 | Jun 8, 2018 |
| Karnes county → | — | 114 | 3 | Dec 31, 2018 |
| Rusk county → | — | 86 | 1 | Sep 15, 2010 |
| Denton county → | — | 83 | 4 | Feb 28, 2017 |
| Harrison county → | — | 75 | 0 | Feb 4, 2013 |
| Washington county → | — | 67 | 11 | May 18, 2018 |
| Tarrant county → | — | 57 | 14 | Nov 13, 2015 |
| Martin county → | — | 55 | 0 | Mar 12, 2014 |
| Brazos county → | — | 46 | 30 | Dec 13, 2013 |
| Fayette county → | — | 40 | 28 | Jun 25, 2018 |
| Montague county → | — | 39 | 2 | Feb 24, 2015 |
| Runnels county → | — | 34 | 0 | Aug 4, 2010 |
| Mitchell county → | — | 32 | 0 | May 2, 2005 |
| Lee county → | — | 31 | 18 | Sep 30, 2018 |
| Wheeler county → | — | 31 | 25 | Nov 29, 2017 |
| Coke county → | — | 21 | 2 | May 12, 2010 |
| Andrews county → | — | 20 | 5 | Feb 25, 2014 |
| Jasper county → | — | 13 | 4 | Jun 30, 2010 |
| Madison county → | — | 10 | 2 | May 22, 2013 |
| Hood county → | — | 9 | 0 | Oct 5, 2015 |
| Crockett county → | — | 7 | 1 | Jul 16, 2012 |
| Brazoria county → | — | 6 | 8 | Nov 14, 2003 |
| Gonzales county → | — | 6 | 0 | Jan 27, 2017 |
| Grimes county → | — | 6 | 5 | Apr 16, 2014 |
| Johnson county → | — | 6 | 4 | Aug 28, 2017 |
| Sutton county → | — | 6 | 65 | Mar 16, 2018 |
| Panola county → | — | 5 | 0 | Aug 11, 2012 |
| Burleson county → | — | 4 | 6 | Sep 11, 2012 |
| Howard county → | — | 4 | 0 | May 20, 2005 |
| Ochiltree county → | — | 4 | 1 | Mar 27, 2013 |
| Atascosa county → | — | 3 | 0 | Jun 9, 2017 |
| Borden county → | — | 2 | 1 | Dec 31, 1996 |
| Freestone county → | — | 2 | 0 | May 19, 2011 |
| Gaines county → | — | 1 | 1 | Mar 12, 1997 |
| Lipscomb county → | — | 1 | 3 | Apr 30, 2014 |
| Orange county → | — | 1 | 0 | Mar 9, 2001 |
| Roberts county → | — | 1 | 1 | Feb 19, 2016 |
| Smith county → | — | 1 | 0 | Oct 9, 2012 |
| Zapata county → | — | 1 | 1 | Mar 9, 2000 |
All 1,249 permits, searchable → · Leases it reports → · On the map →
Formations in its completed wells
Tops reported on completion filings for wells it operates. RRC wellbore file. About tops →
| Formation | Wells | Permitted last 3 yrs |
|---|---|---|
| Barnett | 258 | 0 |
| Marble Falls | 215 | 0 |
| Austin Chalk | 157 | 0 |
| Strawn | 136 | 0 |
| Wilcox | 129 | 0 |
| Caddo | 115 | 0 |
| Carrizo | 84 | 0 |
| Reklaw | 83 | 0 |
| Travis Peak | 79 | 5 |
| Queen City | 79 | 0 |
| Yegua | 78 | 0 |
| Atoka | 70 | 0 |
| Clear Fork | 68 | 0 |
| Pettit | 67 | 6 |
| Forestburg | 59 | 0 |
Production by month
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Barrels on leases where this operator filed the production report. Lease-level by design; the latest months are revised upward as late reports arrive. How production is reported →
- 0
- bbl oil, last 12 reported months
- —
- vs the 12 months before
- 0
- mcf gas incl. casinghead, last 12
- 39.7M
- bbl oil since reporting began
No lease production reported under this operator number in the last three years.
Beyond the permit record
RRC wellbore file
Wells of record
- 309
- on the schedule
- 0
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 256
- plugged
How it got them
- 19
- permitted itself
- 250
- acquired from others
- 695
- permitted, now run by others
Acquired means the well's permit names a different operator than the schedule does today. Transfers and operator numbers →
RRC UIC permits · H-10 reported volumes
Disposal and injection
- 0
- active UIC permits of 29
- 0
- permitted bbl/day, active
- 0
- bbl injected, last 12 reported months
- Jun 2025
- reported through
By county
| King | 0 active | 0 bbl/d |
| Ector | 0 active | 0 bbl/d |
| Coke | 0 active | 0 bbl/d |
| Mitchell | 0 active | 0 bbl/d |
| Runnels | 0 active | 0 bbl/d |
| Eastland | 0 active | 0 bbl/d |
| Sterling | 0 active | 0 bbl/d |
| Andrews | 0 active | 0 bbl/d |
Permitted volume is a ceiling, not throughput. How to read it →
Permit types
Last 12 months against the prior 12, and all time. A type opens the permit history filtered to it. What the types mean →
| Type | 12 mo | Prior 12 | All time |
|---|---|---|---|
| Recompletion | 1 | 0 | 156 |
| Drill | 0 | 0 | 1,064 |
| Field transfer | 0 | 0 | 24 |
| Reclass | 0 | 0 | 3 |
| Reenter | 0 | 0 | 1 |
| Other | 0 | 0 | 1 |
Fields
RRC regulatory fields with the most wells of record under this operator. The field opens its page; the count opens this operator's wells in it.
| Field | Wells | Producing |
|---|---|---|
| Giddings (Austin Chalk-3)34733500 | 58 | 0 |
| Newark East (Barnett Shale)65280200 | 42 | 0 |
| Sawyer (Canyon)81267333 | 41 | 0 |
| Giddings (Austin Chalk Gas)34773550 | 29 | 0 |
| Sonora (Canyon Upper)84646500 | 21 | 0 |
| Frye Ranch (Consolidated)33151200 | 9 | 0 |
| Mungerville (Pennsylvanian)63799500 | 9 | 0 |
| Brookeland (Austin Chalk 8800)12193500 | 7 | 0 |
| Chocolate Bayou ( Alibel)17915026 | 6 | 0 |
| Navasota River (Cretaceous Lwr.)64616300 | 6 | 0 |
| Britt Ranch W. (Granite Wash a )12064350 | 5 | 0 |
| Clay NE (Austin Chalk 11350)18705070 | 4 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Oct 4, 2025
- CSGD/GG/PURGas gatheringGas operator
- Address
- Attn Regulatory Compliance 1001 Fannin Ste 800
- Houston, TX 77002
- (713) 659-3500
- Officers and agents
- C T Corporation System · Texas Resident Agent
- Zazzi, Alexander · President
- McKinney, James D · Vice President
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 813869 | Mar 6, 2026 | Mar 6, 2026 | Enervest Operating, L.L.C. | Hemphill | Elm Creek Ranch 46 #6 | 13,980 | 21134949 |
| 838677 | Dec 31, 2018 | Dec 31, 2018 | Enervest Operating, L.L.C. | Karnes | Opiela #114HH | 11,000 | 25535907 |
| 842479 | Sep 30, 2018 | Sep 30, 2018 | Enervest Operating, L.L.C. | Lee | Dunkin Unit #1HH | 10,500 | 28732726 |
| 843027 | Jul 31, 2018 | Jul 31, 2018 | Enervest Operating, L.L.C. | Lee | Dunkin Unit #2HH | 10,500 | 28732728 |
| 841810 | Jul 11, 2018 | Jul 11, 2018 | Enervest Operating, L.L.C. | Lee | Evelyn #2HH | 11,500 | 28732723 |
| 841810 | Jul 11, 2018 | Jul 11, 2018 | Enervest Operating, L.L.C. | Lee | Evelyn #2HH | 11,500 | 28732723 |
| 841445 | Jul 5, 2018 | Jul 5, 2018 | Enervest Operating, L.L.C. | Karnes | Shinedown Unit #2HH | 11,500 | 25536025 |
| 841445 | Jul 5, 2018 | Jul 5, 2018 | Enervest Operating, L.L.C. | Karnes | Shinedown Unit #3HH | 11,500 | 25536025 |
| 841448 | Jul 2, 2018 | Jul 2, 2018 | Enervest Operating, L.L.C. | Karnes | Shinedown Unit #102HH | 11,000 | 25536026 |
| 839714 | Jun 25, 2018 | Jun 25, 2018 | Enervest Operating, L.L.C. | Fayette | Hilsher OL #3HH | 13,300 | 14933448 |
| 839710 | Jun 25, 2018 | Jun 25, 2018 | Enervest Operating, L.L.C. | Fayette | Hilsher OL #2HH | 13,300 | 14933447 |
| 841398 | Jun 20, 2018 | Jun 20, 2018 | Enervest Operating, L.L.C. | Karnes | Moczygemba Unit #110HH | 11,500 | 25536017 |
| 841394 | Jun 20, 2018 | Jun 20, 2018 | Enervest Operating, L.L.C. | Karnes | Moczygemba Unit #109HH | 11,500 | 25536013 |
| 840257 | Jun 8, 2018 | Jun 8, 2018 | Enervest Operating, L.L.C. | Wise | Hamm Unit #5HH | 9,000 | 49737973 |
| 840868 | Jun 6, 2018 | Jun 6, 2018 | Enervest Operating, L.L.C. | Karnes | Silverchair Unit #2HH | 11,000 | 25536004 |
About this data
Registration from the RRC P-5 organization report, refreshed weekly. Permits from the OGA049M master and daily daf420 files; wells of record from the EWA wellbore schedule; production from PDQ lease reports at the last vintage; disposal from UIC permits and H-10 reports. Summary figures are rebuilt nightly.
Developers: this page as JSON is GET /v1/data/operators/tx/252131, documented in the API reference.