WELL · 42-173-37156 · DISTRICT 8
Halfmann 36A #4H
Glasscock County · Spraberry (Trend Area) field · Producing · Horizontal
Halfmann 36a #4H (API 42-173-37156) is a horizontal well in Glasscock County operated by Ovintiv USA Inc., completed July 14, 2015 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued March 19, 2015, permitted to 8,021 ft.
It was permitted by Encana Oil & Gas(USA) Inc. and has since transferred to Ovintiv USA Inc. on the wellbore schedule.
Completion filings report 10 formation tops, including Yates, San Andres, Clear Fork, Spraberry.
Its lease has reported 194K barrels of oil and 266K mcf of gas since July 2015, last reporting in July 2026.
Operator of record
Permitted by Encana Oil & Gas(usa) Inc.; the EWA schedule now lists a different operator.
- Based in
- Denver, CO
- P-5 status
- Active (A)
- P-5 last filed
- Dec 12, 2025
- Permits on file
- 1,390
- Phone
- (720) 876-5176
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Ovintiv USA Inc. |
| Production reports | Ovintiv USA Inc.through Apr 2026 |
| Latest permit | Encana Oil & Gas(usa) Inc.Mar 19, 2015 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,021
- total depth, ft
- 2
- permits on file
- Mar 19, 2015
- last permit issued
- Jul 14, 2015
- completed
- 194K
- cumulative oil, bbl
- 266K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2015 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 14, 2015
- 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Halfmann 36A O-10-47554 | Spraberry (Trend Area) | Ovintiv USA Inc. | 1 | 194K | 266K | Jul 2015 – Jul 2026 |
Oil, barrels lease total
Last 12 months 6,751 · prior 12 7,445(-9%)
Gas, mcf lease total
Last 12 months 7,959 · prior 12 3,571(+123%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Encana Oil & Gas(usa) Inc.Jul 2015 → Jan 2020
- 2Ovintiv USA Inc.Feb 2020 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 804741-98 | Drill | Encana Oil & Gas(usa) Inc. | Mar 28, 2016 | Mar 19, 2015 | Apr 10, 2015 | 8,021 |
| 804741-99 | Drill | Encana Oil & Gas(usa) Inc. | Mar 17, 2015 | Mar 19, 2015 | Apr 10, 2015 | 8,031 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jul 14, 2015 | Halfmann 36A O-10-47554 | Spraberry (Trend Area) | Ovintiv USA Inc. | Producing | 8,021 |
Formation tops
As filed on W-2/G-1. Subsea from 2,709 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,065 | 644 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 2,839 | -130 |
| Clear ForkCLEARFORK | 4,239 | -1,530 |
| Spraberry | 6,179 | -3,470 |
| Glorieta | — | — |
| Grayburg | — | — |
| Queen | — | — |
| Santa Rosa | — | — |
| Seven Rivers | — | — |
| Wichita-AlbanyWICHITA ALBANY | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,874 | 15,851 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 543 | 17.5 | 680 S |
| 9.625 | 7,300 | 12.25 | 665 S |
| 5.5 | 15,940 | 8.5 | 1,745 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 10, 2016 | Feb 4, 2016 | 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 42-173-37156 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-37156 → 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.
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/17337156, documented in the API reference.