TEXAS · WELLS · REEVES COUNTY · CHALK BLUFF 55-4-1 LEASE · API 42-389-35587 · DISTRICT 7B
Chalk Bluff 55-4-1 #1H
Reeves County · Phantom (Wolfcamp) field · Producing · Horizontal
Chalk Bluff 55-4-1 #1H (API 42-389-35587) is a horizontal well in Reeves County operated by Anadarko E&P Onshore LLC, completed May 25, 2018 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued December 30, 2016, permitted to 10,812 ft.
Completion filings report 8 formation tops, including Castile, Bell Canyon, Delaware, Cherry Canyon.
No lease production has been reported under this well’s leases.
Operator of record
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 22, 2025
- Permits on file
- 4,575
- Phone
- (713) 215-7000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Anadarko E&P Onshore LLC |
| Production reports | Anadarko E&P Onshore LLCthrough Apr 2026 |
| Latest permit | Anadarko E&P Onshore LLCDec 30, 2016 |
- 10,812
- total depth, ft
- 1
- permits on file
- Dec 30, 2016
- last permit issued
- May 25, 2018
- completed
- 0
- cumulative oil, bbl
- 1.06M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2017 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 25, 2018
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
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 |
|---|---|---|---|---|---|---|
| Chalk Bluff 55-4-1 G-10-282303 | Phantom (Wolfcamp) | Anadarko E&P Onshore LLC | 1 | 0 | 1.06M | Mar 2017 – Jul 2026 |
Gas, mcf lease total
Last 12 months 51,679 · prior 12 104,207(-50%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Anadarko E&P Onshore LLCMay 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 821358-99 | Drill | Anadarko E&P Onshore LLC | Dec 15, 2016 | Dec 30, 2016 | Feb 18, 2017 | 12,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| May 25, 2018 | Chalk Bluff 55-4-1 G-10-282303 | Phantom (Wolfcamp) | Anadarko E&P Onshore LLC | Producing | 10,812 |
Formation tops
As filed on W-2/G-1. Subsea from 2,886 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CastileCASTILLE | 2,012 | 874 |
| Bell Canyon | 3,886 | -1,000 |
| Delaware | 3,901 | -1,015 |
| Cherry Canyon | 4,841 | -1,955 |
| Bone SpringBONE SPRINGS | 7,402 | -4,516 |
| Wolfcamp | 10,467 | -7,581 |
| DelawareDELAWARE CONSOLIDATED GAS | — | — |
| DelawareFORD-DELAWARE | — | — |
| Pennsylvanian | — | — |
| Permian (undifferentiated)PERMIAN | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,169 | 15,439 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,928 | 17.5 | 2,330 S |
| 9.625 | 4,050 | 12.25 | 830 S |
| 7 | 10,890 | 8.75 | 800 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 | Sep 6, 2018 | Jul 9, 2018 | Yes |
| 00 | Jul 21, 2017 | Jul 14, 2017 | 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 42-389-35587 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-389-35587 → 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/38935587, documented in the API reference.