OPERATORS · RRC 558355 · P-5 STATUS Y
Medders Oil Co, Inc
Wichita Falls, TX · most active in Dickens County
Watch this operatorMedders Oil CO, Inc was issued 4 drilling permits in the past 12 months, versus 2 in the prior year, across 2 counties led by Dickens with 2. 0% were horizontal.
None were issued in the past 90 days.
The RRC wellbore file lists 169 wells under its operatorship (19 producing, 5 shut in).
Lease reports credit it with 180K barrels of oil and 960 mcf of gas in the 12 months reported through April 2026, up 13% on the year before.
It holds 20 active disposal or injection permits, injecting 488K barrels in the 12 months reported through June 2025.
290 drilling permits have been issued to this operator number since 1996; its P-5 organization report was last filed May 4, 2026.
- 4
- permits, last 12 months
- +100%
- vs prior 12 months (2)
- 2
- counties, 12 months
- 19
- producing wells, of 169 of record
- 35
- 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.
- 96%
- spud rate · 276 of 289 mature permits
- 25
- median days permit to spud · middle half 15–45
- 0
- spuds, last 180 days -100%
- 0%
- cancelled · 0 permits
- 15
- expired undrilled
- 9
- permits a year over 31 active years
Permits issued by month
LAST 9 MONTHS · BY ISSUE DATE
Last 12 months 13
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 |
|---|---|---|---|---|
| King county → | 2 | 230 | 130 | Nov 10, 2025 |
| Dickens county → | 2 | 54 | 37 | Jun 19, 2026 |
| Clay county → | — | 4 | 1 | Dec 31, 2018 |
| Archer county → | — | 1 | 1 | Oct 1, 1996 |
| Knox county → | — | 1 | 0 | May 18, 2006 |
All 290 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 |
|---|---|---|
| Tannehill | 101 | 2 |
| Coleman Junction | 31 | 2 |
| Saddle Creek | 16 | 0 |
| Cisco | 5 | 0 |
| Strawn | 1 | 0 |
| Thomas Sand | 1 | 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 →
- 180K
- bbl oil, last 12 reported months
- +13%
- vs the 12 months before
- 960
- mcf gas incl. casinghead, last 12
- 12.6M
- bbl oil since reporting began
Oil, barrels
Last 12 months 179,991 · prior 12 159,327(+13%)
Gas, mcf
Last 12 months 960 · prior 12 1,000(-4%)
Beyond the permit record
RRC wellbore file
Wells of record
- 169
- on the schedule
- 19
- producing
- 5
- shut in
- 0
- injection
- 0
- temp. abandoned
- 71
- plugged
How it got them
- 118
- permitted itself
- 51
- acquired from others
- 136
- 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
- 20
- active UIC permits of 44
- 47.6K
- permitted bbl/day, active
- 488K
- bbl injected, last 12 reported months
- Jun 2025
- reported through
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 |
|---|---|---|---|
| Drill | 5 | 2 | 287 |
| Reenter | 0 | 0 | 3 |
| Field transfer | 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 |
|---|---|---|
| Balt (Tannehill)5355380 | 103 | 14 |
| Pitchfork (Tannehill)71738500 | 21 | 0 |
| Matador-Williams (Tannehill)58187750 | 11 | 0 |
| Tumbleweed NW. (Tannehill)91784700 | 9 | 0 |
| Ike Dominoe (Tannehill)44260380 | 6 | 5 |
| Fork S Brushy Creek (Tannehill)31967500 | 6 | 0 |
| Ttac (Tannehill)88042400 | 4 | 0 |
| Habanero Aaa (Tannehill)37870380 | 3 | 0 |
| Wildcat22001 | 3 | 0 |
| Pitchfork (Tannehill A)71738510 | 2 | 0 |
| Clay County Regular18707001 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed May 4, 2026
- Oil operator
- Address
- 4245 Kemp Blvd Ste 904
- Wichita Falls, TX 76308
- (806) 422-1188
- Officers and agents
- Medders, Tom Bryant III · Texas Resident Agent
- Medders, John Breeding · Vice President
- Medders, Tom Bryant III · President,cob/President
- Cadman, Lewis Harold · Secretary,vice President
- Medders, Cullen Bryant · 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 |
|---|---|---|---|---|---|---|---|
| 919710 | Oct 30, 2026 | Oct 28, 2026 | Medders Oil Company, Inc. | King | Pitchfork Tttt #4 | 4,500 | 26933076 |
| 916404 | Jun 19, 2026 | Jun 19, 2026 | Medders Oil Company, Inc. | Dickens | Pitchfork Tttt #3 | 4,500 | 12531431 |
| 911642 | Nov 10, 2025 | Nov 10, 2025 | Medders Oil Company, Inc. | King | Pitchfork Ssss #2 | 4,500 | 26933066 |
| 911641 | Nov 10, 2025 | Nov 10, 2025 | Medders Oil Company, Inc. | King | Pitchfork Tttt #2 | 4,500 | 26933065 |
| 911640 | Nov 10, 2025 | Nov 10, 2025 | Medders Oil Company, Inc. | Dickens | Pitchfork Cccc #18 | 4,500 | 12531429 |
| 906526 | Mar 12, 2025 | Mar 12, 2025 | Medders Oil Company, Inc. | King | Pitchfork Tttt #1 | 4,500 | 26933051 |
| 906525 | Mar 12, 2025 | Mar 12, 2025 | Medders Oil Company, Inc. | Dickens | Pitchfork Cccc #17 | 4,500 | 12531423 |
| 902146 | Aug 21, 2024 | Aug 21, 2024 | Medders Oil Company, Inc. | King | Pitchfork Yyy #11 | 4,500 | 26933045 |
| 894946 | Nov 7, 2023 | Nov 7, 2023 | Medders Oil Company, Inc. | King | Pitchfork Ssss #1 | 4,092 | 26933030 |
| 894946 | Nov 7, 2023 | Nov 7, 2023 | Medders Oil Company, Inc. | King | Pitchfork Ssss #1 | 4,500 | 26933030 |
| 882472 | Aug 15, 2022 | Aug 15, 2022 | Medders Oil Company, Inc. | King | Forks South Balt Unit #103 | 5,000 | 26932965 |
| 881898 | Jul 11, 2022 | Jul 11, 2022 | Medders Oil Company, Inc. | Dickens | Pitchfork Rrrr #4 | 5,000 | 12531407 |
| 876160 | Jan 19, 2022 | Jan 19, 2022 | Medders Oil Company, Inc. | Dickens | Pitchfork Rrrr #3 | 5,000 | 12531401 |
| 873211 | Oct 6, 2021 | Oct 6, 2021 | Medders Oil Company, Inc. | Dickens | Pitchfork Rrrr #2 | 5,000 | 12531395 |
| 869527 | May 6, 2021 | May 6, 2021 | Medders Oil Company, Inc. | King | Forks South Balt Unit #102 | 3,950 | 26932394 |
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/558355, documented in the API reference.