OPERATORS · RRC 103921 · P-5 STATUS Y
Mountainside Energy Operating, L
Dallas, TX
Watch this operatorMountainside Energy Operating, L has filed no drilling permits in the past 12 months.
The RRC wellbore file lists 113 wells under its operatorship (58 producing, 3 shut in).
Lease reports credit it with 10.1K barrels of oil and 202K mcf of gas in the 12 months reported through April 2026.
It holds 2 active disposal or injection permits, injecting 41.1K barrels in the 12 months reported through June 2025.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 58
- producing wells, of 113 of record
- 69
- leases it reports
- —
- horizontal, 12 months
WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026
Where
No permits on file under this operator number. Counties of its wells of record, from the RRC wellbore file.
| County | Wells | Producing |
|---|---|---|
| Wheeler county → | 72 | 35 |
| Hemphill county → | 31 | 16 |
| Hansford county → | 6 | 4 |
| Moore county → | 2 | 2 |
| Ochiltree county → | 1 | 1 |
| Sherman county → | 1 | — |
All 0 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 |
|---|---|---|
| No completion tops on file. | ||
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 →
- 10.1K
- bbl oil, last 12 reported months
- —
- vs the 12 months before
- 202K
- mcf gas incl. casinghead, last 12
- 10.1K
- bbl oil since reporting began
Gas, mcf
Last 12 months 202,040 · prior 12 0
Oil, barrels
Last 12 months 10,139 · prior 12 0
Beyond the permit record
RRC wellbore file
Wells of record
- 113
- on the schedule
- 58
- producing
- 3
- shut in
- 1
- injection
- 18
- temp. abandoned
- 33
- plugged
How it got them
- 0
- permitted itself
- 53
- acquired from others
- 0
- 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
- 2
- active UIC permits of 2
- 5.3K
- permitted bbl/day, active
- 41.1K
- bbl injected, last 12 reported months
- Jun 2025
- reported through
Permitted volume is a ceiling, not throughput. How to read it →
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 |
|---|---|---|
| Panhandle Wheeler County Field68929001 | 66 | 29 |
| Hemphill (Granite Wash.)40311200 | 11 | 5 |
| Canadian SE (Douglas)15217250 | 7 | 3 |
| Canadian SW. (Granite Wash)15218400 | 7 | 4 |
| Wheeler-Pan (Hunton)96782500 | 6 | 6 |
| Texas Hugoton89120001 | 4 | 2 |
| Canadian SW. (Morrow Up.)15218500 | 3 | 2 |
| Pan Petro (Cleveland)68735120 | 2 | 2 |
| Hansford (Morrow Upper)38797682 | 1 | 1 |
| Canadian SE. (Morrow Up.)15217750 | 1 | 0 |
| Hannas Draw (Douglas)38776500 | 1 | 1 |
| Hansford (Morrow Lower)38797558 | 1 | 1 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Jan 21, 2026
- Gas operatorOil operator
- Address
- 750 N St Paul St Ste 1690
- Dallas, TX 75201
- (855) 906-6868
- Officers and agents
- Gartner, Emily · Filing Agent
- Daly, Kyle · Filing Agent
- Waters, Weldon · Filing Agent
- Roby, John Christian · Manager
- Mountainside Energy Partners, LL · Managing Member
- Innamorati, Robert Matthew · Manager
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 708237 | Jan 12, 2011 | Jan 12, 2011 | EOG Resources, Inc. | Ochiltree | Swink 402 #1HH | 9,000 | 35732978 |
| 638219 | May 15, 2007 | May 15, 2007 | Cimarex Energy Co. | Hemphill | Hobart Ranch #1967 | 13,500 | 21133900 |
| 625235 | Sep 6, 2006 | Sep 6, 2006 | Cimarex Energy Co. | Hemphill | Ross #1371 | 13,400 | 21133704 |
| 625235 | Sep 6, 2006 | Sep 6, 2006 | Cimarex Energy Co. | Hemphill | Ross #1371 | 13,400 | 21133704 |
| 615041 | Mar 28, 2006 | Mar 28, 2006 | Cimarex Energy Co. | Hemphill | Ross #1271 | 12,800 | 21133532 |
| 615040 | Mar 28, 2006 | Mar 28, 2006 | Cimarex Energy Co. | Hemphill | Ross #1171 | 12,800 | 21133531 |
| 602572 | Jun 27, 2005 | Jun 27, 2005 | Samson Lone Star LP | Hemphill | Gulf-Mesa Sappington #5 | 13,000 | 21133342 |
| 535429 | Oct 13, 2003 | Oct 13, 2003 | Samson Lone Star LP | Hemphill | Isaacs #7028 | 10,800 | 21132813 |
| 527174 | Jan 13, 2003 | Jan 13, 2003 | Chevron U. S. A. Inc. | Hemphill | Ross, A. A. #9071 | 14,500 | 21132431 |
| 526226 | Dec 10, 2002 | Dec 10, 2002 | Samson Lone Star LP | Hemphill | Isaacs #6208 | 10,800 | 21132672 |
| 526226 | Dec 10, 2002 | Dec 10, 2002 | Samson Lone Star LP | Hemphill | Isaacs #6208 | 10,800 | 21132672 |
| 512729 | Aug 17, 2001 | Aug 17, 2001 | Apache Corporation | Hemphill | Jarvis, Billy #3 | 12,200 | 21132546 |
| 495778 | Jun 2, 2000 | Jun 2, 2000 | Chevron U. S. A. Inc. | Hemphill | Ross, A. A. #9071 | 14,500 | 21132431 |
| 481059 | Oct 5, 1999 | Oct 5, 1999 | Samson Lone Star LP | Hemphill | Isaacs 209 #9 | 10,800 | 21132326 |
| 481058 | Aug 24, 1999 | Aug 24, 1999 | Samson Lone Star LP | Hemphill | Isaacs 210 #8 | 10,800 | 21132325 |
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/103921, documented in the API reference.