WELL · 42-039-33320 · DISTRICT 3
Masterson #1
Brazoria County · Damon Mound field · Producing · Vertical
Masterson #1 (API 42-039-33320) is a well in Brazoria County operated by Sideline Oil & Gas L.P., completed June 1, 2019 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued April 24, 2018, permitted to 2,600 ft.
It was permitted by Magnum Producing, LP and has since transferred to Sideline Oil & Gas L.P. on the wellbore schedule.
Completion filings report 6 formation tops, including Miocene (undifferentiated), Het Lime - Disposal, Oligocene - Disposal, Frio.
Its lease has reported 3.74K barrels of oil since June 2019, last reporting in July 2026.
Operator of record
Permitted by Magnum Producing, LP; the EWA schedule now lists a different operator.
Friendswood, TX · P-5 Y, filed Feb 4, 2026 · (281) 932-8717
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sideline Oil & Gas L.P. |
| Production reports | Sideline Oil & Gas, L.P.through Mar 2026 |
| Latest permit | Magnum Producing, LPApr 24, 2018 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,600
- total depth, ft
- 1
- permits on file
- Apr 24, 2018
- last permit issued
- Jun 1, 2019
- completed
- 3.74K
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2019 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 1, 2019
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
29.281431, -95.757417
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Brazoria County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Masterson O-3-27569 | Damon Mound | Sideline Oil & Gas, L.P. | 1 | 3.74K | 0 | Jun 2019 – Jul 2026 |
Oil, barrels lease total
Last 12 months 676 · prior 12 1,054(-36%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Reata Operating Company LLCJul 2019 → Mar 2022
- 2Reo Operating LLCApr 2022 → Jun 2022
- 3Sideline Oil & Gas, L.P.Feb 2023 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 839070-99 | Drill | Magnum Producing, LP | Apr 19, 2018 | Apr 24, 2018 | Jun 7, 2018 | 2,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-27569 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 66 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)MIOCENE - DISPOSAL | 1,810 | -1,744 |
| Het Lime - Disposal | 2,039 | -1,973 |
| Oligocene - Disposal | 2,039 | -1,973 |
| FrioFRIO - DISPOSAL | 2,200 | -2,134 |
| CaprockCAPROCK - DISPOSAL | — | — |
| Otis - Disposal | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,680 | 1,688 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 381 | 12.25 | 255 S |
| 5.5 | 2,203 | 7.875 | 603 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Nov 25, 2019 | Jun 13, 2019 | Yes |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-039-33320 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-039-33320 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Smith, T. L.42-039-33316
3.1 KM · Delco Operating Company LP · Section with this well →
| Miocene (undifferentiated) | 3,635 | -3,565 |
| Het Lime - Disposal | 3,990 | -3,920 |
| Frio | 4,270 | -4,200 |
| Oligocene - Disposal | — | |
| Otis - Disposal | — | |
| Caprock | — |
Middlebrook-Kulcak42-157-32451
11.3 KM · Sue-Ann Operating, L.C. · Section with this well →
| Miocene (undifferentiated) | 3,594 | -3,505 |
| Frio | 6,270 | -6,181 |
| Frio | 6,270 | -6,181 |
| Frio | 6,652 | -6,563 |
| Frio | 6,652 | -6,563 |
| Pliocene | — | |
| Oligene | — | |
| Wilcox | — |
13 TOPS · FIRST 8
Lehman42-157-33282
11.7 KM · Kebo Oil & Gas, Inc. · Section with this well →
| Miocene (undifferentiated) | 4,064 | -3,983 |
| Tiger (Miocene) - Disposal | 4,222 | -4,141 |
| Frio | 5,173 | -5,092 |
| Wilcox | — | |
| Caprock | — | |
| Catahoula | — | |
| Dome Caprock - Disposal | — | |
| Oligocene - Disposal | — |
10 TOPS · FIRST 8
Hurta42-157-32844
11.7 KM · Sue-Ann Operating, L.C. · Section with this well →
| Frio | 5,160 | -5,075 |
| Frio | 5,160 | -5,075 |
| Frio | 5,486 | -5,401 |
| Dome Caprock | — | |
| Vicksburg | — | |
| Caprock | — | |
| Catahoula | — | |
| Wilcox | — |
11 TOPS · FIRST 8
Texron Needville42-157-33256
12.3 KM · Texron Operating, LLC · Section with this well →
| Dome Caprock - Disposal | 650 | -571 |
| Pliocene - Disposal | 1,990 | -1,911 |
| Wilcox | 3,275 | -3,196 |
| Caprock | 3,700 | -3,621 |
| Tiger (Miocene) - Disposal | 4,435 | -4,356 |
| Catahoula | 4,600 | -4,521 |
| Miocene (undifferentiated) | 4,650 | -4,571 |
| Oligocene - Disposal | 5,990 | -5,911 |
10 TOPS · FIRST 8
Robert Myska42-157-32993
15.1 KM · Reo Operating LLC · Section with this well →
| Dome Caprock - Disposal | 3,120 | -3,048 |
| Caprock | 3,152 | -3,080 |
| Pliocene - Disposal | 3,212 | -3,140 |
| Miocene (undifferentiated) | 3,375 | -3,303 |
| Tiger (Miocene) - Disposal | 3,451 | -3,379 |
| Catahoula | 3,526 | -3,454 |
| Frio | 3,584 | -3,512 |
| Vicksburg | — |
10 TOPS · FIRST 8
Abrams, W. H.42-039-33313
15.2 KM · Jetta Operating Company, Inc. · Section with this well →
| Miocene (undifferentiated) | 3,500 | -3,466 |
| Frio | 5,050 | -5,016 |
| Caprock | — | |
| Otis - Disposal | — | |
| Oligocene - Disposal | — | |
| Het Lime - Disposal | — |
Parker Masterson42-039-33327
15.8 KM · Jetta Operating Company, Inc. · Section with this well →
| Miocene (undifferentiated) | 3,260 | -3,234 |
| Het Lime - Disposal | 4,240 | -4,214 |
| Oligocene - Disposal | 4,930 | -4,904 |
| Frio | 5,170 | -5,144 |
| Otis - Disposal | — | |
| Caprock | — |
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/03933320, documented in the API reference.