WELL · 42-461-39875 · DISTRICT 7
Mary 18 #1D
Upton County · Spraberry (Trend Area) field · Injection · Vertical
Mary 18 #1D (API 42-461-39875) is a well in Upton County operated by Pioneer Natural Res. USA Inc., completed December 8, 2016 and listed as injection on the RRC schedule.
The RRC has issued one drilling permit (amended twice), issued October 16, 2014, permitted to 6,000 ft.
It was permitted by Parsley Energy Operations, LLC and has since transferred to Pioneer Natural Res. USA Inc. on the wellbore schedule.
Completion filings report 9 formation tops, including Yates, Grayburg, San Andres, Devonian.
No lease production has been reported under this well’s leases.
It holds an active disposal or injection permit, with 2.73M barrels injected in the 12 months reported through November 2025.
Operator of record
Permitted by Parsley Energy Operations, LLC; the EWA schedule now lists a different operator.
Spring, TX · P-5 Y, filed May 4, 2026 · 15,619 permits on file · (972) 598-8150
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pioneer Natural Res. USA Inc. |
| Production reports | none |
| Latest permit | Parsley Energy Operations, LLCOct 16, 2014 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,000
- total depth, ft
- 3
- permits on file
- Oct 16, 2014
- last permit issued
- Dec 8, 2016
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2016 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 8, 2016
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
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 |
|---|---|---|---|---|---|---|
| Mary 18 O-9-19510 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 1 | 0 | 0 | Dec 2016 – Jul 2026 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 798188-97 | Drill | Parsley Energy Operations, LLC | Dec 28, 2015 | Oct 16, 2014 | Sep 26, 2016 | 6,000 |
| 798188-98 | Drill | Parsley Energy Operations, LLC | Nov 5, 2015 | Oct 16, 2014 | — | 5,500 |
| 798188-99 | Drill | Parsley Energy Operations, LLC | Oct 10, 2014 | Oct 16, 2014 | Sep 27, 2016 | 5,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-19510 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,807 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,656 | 151 |
| Grayburg | 4,350 | -1,543 |
| San AndresSAN ANDRES - SALTWATER FLOW | 4,573 | -1,766 |
| Devonian | — | — |
| Ellenburger | — | — |
| Fusselman | — | — |
| Spraberry | — | — |
| Strawn | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,560 | 4,660 | Perforated |
| 4,665 | 5,750 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 360 | 17.5 | 412 S |
| 8.625 | 4,664 | 11 | 1,170 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 | May 16, 2017 | Apr 6, 2017 | — |
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 42-461-39875 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-39875 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. then paste it into their search.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 2.73M
- bbl, last 12 reported months
- 21M
- bbl, all reported
- Nov 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000111257 | W-14 Disposal | Active | 20,000 | 2,280 | 4,560–5,750 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 2,732,465 · prior 12 3,249,170(-16%)
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/46139875, documented in the API reference.