WELL · 42-383-32959 · DISTRICT 7
Massie -A- #4
Reagan County · Spraberry (Trend Area) field · Vertical
Massie -A- #4 (API 42-383-32959) is a plugged well in Reagan County, plugged March 29, 2010, last operated by Diamondback E&P LLC.
The RRC has issued one drilling permit, issued March 1, 1984, permitted to 8,800 ft.
It was permitted by Ridley & Preston and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Spraberry, Calvin Dean.
Its lease has reported 160K barrels of oil and 211K mcf of gas since January 1993, last reporting in July 2026. The lease carries 7 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Ridley & Preston; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 4, 2026
- Permits on file
- 5,237
- Phone
- (432) 221-7400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diamondback E&P LLC |
| Production reports | Diamondback E&P LLCthrough Mar 2026 |
| Latest permit | Ridley & PrestonMar 1, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,800
- total depth, ft
- 1
- permits on file
- Mar 1, 1984
- last permit issued
- Aug 30, 1984
- completed
- 160K
- cumulative oil, bbl
- 211K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 30, 1984
- Shut in
- —
- Plugged
- Mar 29, 2010
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; they carry 7 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Massie -A- O-9-1616 | Spraberry (Trend Area) | Diamondback E&P LLC | 7 | 160K | 211K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 115 · prior 12 179(-36%)
Gas, mcf lease total
Last 12 months 1,135 · prior 12 65(+1646%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Ridley & PrestonJan 1993 → Mar 1993
- 2Permian Resources, Inc.Apr 1993 → Sep 1994
- 3Stephens, Autry C.Oct 1994 → Aug 2000
- 4Endeavor Energy Resources L.P.Sep 2000 → Dec 2024
- 5Diamondback E&P LLCJan 2025 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 231054-99 | Drill | Ridley & Preston | May 1, 1984 | Mar 1, 1984 | — | 8,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-1616 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,676 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,776 | 6,944 | Perforated |
| 7,415 | 7,786 | Perforated |
| 8,172 | 8,366 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 410 | 17.5 | 430 S |
| 8.625 | 4,008 | 11 | 915 S |
| 4.5 | 8,535 | 7.875 | 670 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 | Oct 15, 1984 | Sep 28, 1984 | — |
| 00 | Oct 6, 1984 | — | — |
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 42-383-32959 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-383-32959 → 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.
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/38332959, documented in the API reference.