TEXAS · WELLS · CRANE COUNTY · EMMA LEASE · API 42-103-35988 · DISTRICT 7B
Emma #1
Crane County · Sallie Ann (Spraberry-Wolfcamp) field · Producing · Vertical
Emma #1 (API 42-103-35988) is a well in Crane County operated by Diamondback E&P LLC, completed September 25, 2012 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued April 16, 2012, permitted to 10,245 ft.
It was permitted by Devon Energy Production CO, L.P. and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Clear Fork, Spraberry, Wolfcamp.
Its lease has reported 113K barrels of oil and 463K mcf of gas since March 2012, last reporting in July 2026. The lease carries 5 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Devon Energy Production Co, L.P.; 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 Apr 2026 |
| Latest permit | Devon Energy Production Co, L.P.Apr 16, 2012 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,245
- total depth, ft
- 1
- permits on file
- Apr 16, 2012
- last permit issued
- Sep 25, 2012
- completed
- 113K
- cumulative oil, bbl
- 463K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2012 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 25, 2012
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Emma O-10-43236 | Sallie Ann (Spraberry-Wolfcamp) | Diamondback E&P LLC | 5 | 113K | 463K | Mar 2012 – Jul 2026 |
Oil, barrels lease total
Last 12 months 2,478 · prior 12 1,403(+77%)
Gas, mcf lease total
Last 12 months 6,278 · prior 12 2,201(+185%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Devon Energy Production Co, L.P.Mar 2012 → Jul 2016
- 2FDL Operating, LLCAug 2016 → Jun 2019
- 3Firebird Energy LLCJul 2019 → Nov 2022
- 4Diamondback E&P LLCDec 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 737258-99 | Drill | Devon Energy Production Co, L.P. | Mar 30, 2012 | Apr 16, 2012 | May 29, 2012 | 10,250 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 25, 2012 | Emma O-10-43236 | Sallie Ann (Spraberry-Wolfcamp) | Diamondback E&P LLC | Producing | 10,245 |
Formation tops
As filed on W-2/G-1. Subsea from 2,939 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkMIDDLE CLEAR FORK | 7,263 | -4,324 |
| SpraberryLOWER SPRABERRY | 8,414 | -5,475 |
| Wolfcamp | 9,046 | -6,107 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,844 | 9,894 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 12.75 | 302 | 14.75 | 140 S |
| 8.625 | 4,777 | 11 | 1,300 S |
| 5.5 | 10,245 | 7.875 | 893 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 24, 2013 | Nov 12, 2012 | 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 42-103-35988 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-103-35988 → 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/10335988, documented in the API reference.