42-211-35636

PRODUCING Horizontal

HEFLEY-FILLINGIM 39-40 MD WX

HEMPHILL County · District 10 · MMGL TXPH LLC · BUFFALO WALLOW (GRANITE WASH)

Permits

2

Max Depth

13,500 ft

First Permit

2018-11-16

Latest Activity

2018-12-31

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2020-10-28

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: MMGL TXPH LLC ≠ Permit: TECOLOTE ENERGY OPERATING, LLC

Resolved via: productionMMGL TXPH, LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2020-10

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (10) Elevation 2,588 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BROWN DOLOMITE - PROD, PRESSURED (Brown Dolomite)4,562 ft-1,974 ft
TOPEKA7,210 ft-4,622 ft
BROWNSVILLE7,330 ft-4,742 ft
DOUGLAS 8,138 ft-5,550 ft
TONKAWA 8,997 ft-6,409 ft
PENNSYLVANIAN SAND (Pennsylvanian)9,345 ft-6,757 ft
KANSAS CITY (HOGSHOOTER) (Kansas City)9,866 ft-7,278 ft
CLEVELAND 10,335 ft-7,747 ft
PENNSYLVANIAN (MARMATON) (Pennsylvanian)11,009 ft-8,421 ft
ELLENBURGER - H2S CORROSIVE (Ellenburger)

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-211-35637 HEFLEY-FILLINGIM 39-40 MD CX · TECOLOTE ENERGY OPERATING, LLC
0.0 mi
Brown Dolomite 4,562'TOPEKA 7,210'BROWNSVILLE 7,330'Douglas 8,138'Tonkawa 8,997'Pennsylvanian 9,345'Kansas City 9,866'Cleveland 10,335'Oswego 10,904'Pennsylvanian 11,009'
42-211-35656 MEEK-FILLINGIM 45-44 MD CX · BLACKBEARD OPERATING, LLC
0.7 mi
Brown Dolomite 4,637'Douglas 8,171'Tonkawa 8,951'Kansas City 9,863'Cleveland 10,386'Pennsylvanian 10,614'Oswego BROWNSVILLE Pennsylvanian TOPEKA
42-211-35655 MEEK-FILLINGIM 45-44 MD EX · BLACKBEARD OPERATING, LLC
0.7 mi
Brown Dolomite 4,631'Douglas 8,171'Tonkawa 8,994'Kansas City 9,876'Cleveland 10,384'Pennsylvanian 10,599'TOPEKA BROWNSVILLE Oswego Pennsylvanian
42-483-32299 DOBBS, FINSTERWALD · TEMPLAR OPERATING LLC
1.7 mi
Brown Dolomite 4,626'Douglas 8,205'Tonkawa 9,019'CALDWELL 11,260'BRITT 11,351'GW A 11,430'GWA 11,430'GWB 11,707'GW B 11,707'GW C 11,876'GWC 11,876'GWE 12,264' +10 more
42-211-35581 MEADOWS-CLIFFORD 31-30 MD EX · TECOLOTE ENERGY OPERATING, LLC
1.9 mi
Brown Dolomite 4,534'TOPEKA 7,091'BROWNSVILLE 7,216'Pennsylvanian 7,933'Douglas 8,069'Tonkawa 8,880'Kansas City 9,567'Cleveland 10,245'Pennsylvanian 10,490'Oswego 10,865'
42-211-35649 HEFLEY-PRATER 32-33 MD CX · TECOLOTE ENERGY OPERATING, LLC
1.9 mi
Brown Dolomite 4,505'TOPEKA 7,150'BROWNSVILLE 7,270'Douglas 8,098'Tonkawa 8,935'Pennsylvanian 9,318'Kansas City 9,835'Cleveland 10,238'Oswego 10,896'Pennsylvanian 11,011'
42-211-35650 HEFLEY-PRATER 32-33 ME CX · TECOLOTE ENERGY OPERATING, LLC
1.9 mi
Brown Dolomite 4,505'TOPEKA 7,150'BROWNSVILLE 7,270'Douglas 8,098'Tonkawa 8,935'Pennsylvanian 9,318'Kansas City 9,835'Cleveland 10,238'Oswego 10,896'Pennsylvanian 11,011'
42-211-35609 MEEK 5453 CXL · UNIT PETROLEUM COMPANY
2.3 mi
Brown Dolomite 4,682'Douglas 8,197'Tonkawa 8,990'Kansas City 9,817'Cleveland 10,147'Pennsylvanian 10,496'Oswego 10,753'BROWNSVILLE Pennsylvanian TOPEKA

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (1)

IntervalType
11,780–19,496 ftPerforated

Casing (4)

SizeSet DepthCement
13.375"537 ft805 sx
8.625"6,415 ft450 sx
5.5"19,680 ft900 sx
5.5"19,680 ft900 sx

Permit History (2)

Applications (2)

#846698 A TECOLOTE ENERGY OPERATING, LLC
received 2018-12-01
#846698 A TECOLOTE ENERGY OPERATING, LLC
received 2018-11-09

Records & Logs

2 completion filings on record · 1 with log images at RRC.

W-2/G-1 2021-04-30 log on file
W-2/G-1 2021-07-16

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

Lat 35.632774
Lon -100.285822

Well Details

Well Number
1H
Max Depth
13,500 ft
Drill Type
Horizontal
County
HEMPHILL
District
10
Operator
MMGL TXPH LLC
Completed
2020-10-28

Operator

Location
DALLAS
P-5 Status
Active (filed 2025-07-24)
Cum Oil (all leases)
220,131 bbl
Cum Gas (all leases)
64,022,648 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits
10