RRC operator 103921

Mountainside Energy Operating, L

Mountainside Energy Operating, L reported 20,606 barrels of oil and 445,186 mcf of gas in the last 12 months.

Operator dossier

20,606bbl oil, last 12 months

Producing leases: 38of 68 on record
Counties: 4
Biggest county: Wheeler County
Biggest field: Panhandle Wheeler County Field

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Where they work

fewermore

4 counties

Gas, last 12 months: 445,186 mcf
Fields: 14
Data through: Jul 2026
Leases on record: 68

Five years of Mountainside Energy Operating, L output

Oil output from Mountainside Energy Operating, L: 20.6k bbl in the last 12 months

20.6k bbl through Jul 2026. Peak Mar 2026: 5,134 bbl.

Gas output from Mountainside Energy Operating, L: 445k mcf in the last 12 months

445k mcf through Jul 2026. Peak Mar 2026: 106k mcf.

SourceTexas Railroad Commission Production Data Query, operator 103921, through Jul 2026, file dated Sep 18, 2026.

Mountainside Energy Operating, L leases, biggest first

Find a leaseCountySort

Under each volume: change on the year before.

KELLER, P. M.
10-01464Wheeler CountyPanhandle Wheeler County Field
28,508bbl oil−27%
BUSH, W. B.
10-01462Wheeler CountyPanhandle Wheeler County Field
21,229bbl oil−16%
HOBART RANCH
10-235827Hemphill CountyHemphill (Morrow, Upper)
267,672mcf gas−20%
WILLIAMS, S. K. UNIT
10-060938Wheeler CountyWheeler-Pan (Hunton)
126,239mcf gas−13%
LAYCOCK, C. K. UNIT
10-067596Wheeler CountyWheeler-Pan (Hunton)
111,619mcf gas−10%
WARREN, G. C. UNIT
10-065255Wheeler CountyWheeler-Pan (Hunton)
91,729mcf gas−1%
JOHNSON, WEST
10-01449Wheeler CountyPanhandle Wheeler County Field
3,407bbl oil−37%
TROUT, BEN
10-139400Wheeler CountyTrout (Hunton)
74,809mcf gas−30%
CITY OF SHAMROCK UNIT
10-061598Wheeler CountyWheeler-Pan (Hunton)
63,584mcf gas−12%
CAMPBELL
10-089918Hemphill CountyCanadian, SW. (Morrow, Up.)
51,048mcf gas−18%
JOHNSON, EAST
10-01448Wheeler CountyPanhandle Wheeler County Field
1,745bbl oil+106%
LACY, MEEK
10-027281Moore CountyTexas Hugoton
38,564mcf gas+2%
BEENE, D.O. UNIT
10-066090Wheeler CountyWheeler-Pan (Hunton)
38,451mcf gas−17%
ISAACS-SIMPSON
10-099510Hemphill CountyCanadian, Se (Douglas)
32,816mcf gas−18%
ETTER, T. H.
10-08708Hansford CountyPan Petro (Cleveland)
1,386bbl oil−18%
SANDERS UNA UNIT
10-066182Wheeler CountyWheeler-Pan (Hunton)
23,096mcf gas−16%
ISAACS
10-198502Hemphill CountyCanadian, SW. (Granite Wash)
23,015mcf gas−41%
ISAACS -210-
10-101069Hemphill CountyCanadian, SW. (Granite Wash)
21,806mcf gas−22%
ISAACS 208
10-173810Hemphill CountyCanadian, SW. (Granite Wash)
19,972mcf gas−20%
MORTON, H. E.
10-123892Hansford CountyHansford (Morrow, Upper)
17,820mcf gas−16%
GULF-MESA SAPPINGTON
10-115069Hemphill CountyHemphill (Granite Wash.)
17,716mcf gas−26%
FLOWERS
10-151706Hemphill CountyCanadian, Se (Douglas)
15,786mcf gas−19%
ROSS
10-235907Hemphill CountyHemphill (Granite Wash.)
14,242mcf gas−59%
ISAACS -209-
10-175848Hemphill CountyCanadian, SW. (Granite Wash)
13,843mcf gas−26%
ISAACS
10-215830Hemphill CountyCanadian, SW. (Granite Wash)
13,718mcf gas−25%

Producing leases operated by Mountainside Energy Operating, L

KELLER, P. M.10-01464Wheeler CountyPanhandle Wheeler County Field	28,508bbl oil	−27%
BUSH, W. B.10-01462Wheeler CountyPanhandle Wheeler County Field	21,229bbl oil	−16%
HOBART RANCH10-235827Hemphill CountyHemphill (Morrow, Upper)	267,672mcf gas	−20%
WILLIAMS, S. K. UNIT10-060938Wheeler CountyWheeler-Pan (Hunton)	126,239mcf gas	−13%
LAYCOCK, C. K. UNIT10-067596Wheeler CountyWheeler-Pan (Hunton)	111,619mcf gas	−10%
WARREN, G. C. UNIT10-065255Wheeler CountyWheeler-Pan (Hunton)	91,729mcf gas	−1%
JOHNSON, WEST10-01449Wheeler CountyPanhandle Wheeler County Field	3,407bbl oil	−37%
TROUT, BEN10-139400Wheeler CountyTrout (Hunton)	74,809mcf gas	−30%
CITY OF SHAMROCK UNIT10-061598Wheeler CountyWheeler-Pan (Hunton)	63,584mcf gas	−12%
CAMPBELL10-089918Hemphill CountyCanadian, SW. (Morrow, Up.)	51,048mcf gas	−18%
JOHNSON, EAST10-01448Wheeler CountyPanhandle Wheeler County Field	1,745bbl oil	+106%
LACY, MEEK10-027281Moore CountyTexas Hugoton	38,564mcf gas	+2%
BEENE, D.O. UNIT10-066090Wheeler CountyWheeler-Pan (Hunton)	38,451mcf gas	−17%
ISAACS-SIMPSON10-099510Hemphill CountyCanadian, Se (Douglas)	32,816mcf gas	−18%
ETTER, T. H.10-08708Hansford CountyPan Petro (Cleveland)	1,386bbl oil	−18%
SANDERS UNA UNIT10-066182Wheeler CountyWheeler-Pan (Hunton)	23,096mcf gas	−16%
ISAACS10-198502Hemphill CountyCanadian, SW. (Granite Wash)	23,015mcf gas	−41%
ISAACS -210-10-101069Hemphill CountyCanadian, SW. (Granite Wash)	21,806mcf gas	−22%
ISAACS 20810-173810Hemphill CountyCanadian, SW. (Granite Wash)	19,972mcf gas	−20%
MORTON, H. E.10-123892Hansford CountyHansford (Morrow, Upper)	17,820mcf gas	−16%
GULF-MESA SAPPINGTON10-115069Hemphill CountyHemphill (Granite Wash.)	17,716mcf gas	−26%
FLOWERS10-151706Hemphill CountyCanadian, Se (Douglas)	15,786mcf gas	−19%
ROSS10-235907Hemphill CountyHemphill (Granite Wash.)	14,242mcf gas	−59%
ISAACS -209-10-175848Hemphill CountyCanadian, SW. (Granite Wash)	13,843mcf gas	−26%
ISAACS10-215830Hemphill CountyCanadian, SW. (Granite Wash)	13,718mcf gas	−25%

Showing 25 of 38, ranked by output value.

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SourceTexas Railroad Commission Production Data Query.

Counties and fields where Mountainside Energy Operating, L produces

Counties, by Mountainside Energy Operating, L oil

Wheeler County leads

Fields, by Mountainside Energy Operating, L oil

Panhandle Wheeler County Field leads

Recent drilling permits for Mountainside Energy Operating, L

No recent permits.

Where the gas of Mountainside Energy Operating, L went

Plants: 0.0%
Pipelines: 100%
Lease fuel: 0.0%
Flared or vented: 0.0%

SourceTexas Railroad Commission Production Data Query, last 12 months. What the codes mean