WELL · 42-481-31704 · DISTRICT 3
Pierce Estate #4
Wharton County · Hutchins South (Frio #2) field · Injection · Vertical
Pierce Estate #4 (API 42-481-31704) is a disposal or injection well in Wharton County operated by Chp Oil & Gas Company L.C. under an active UIC permit.
The RRC has issued one drilling permit, issued November 2, 1978, permitted to 6,050 ft.
It was permitted by Ken Petroleum Corporation and has since transferred to Chp Oil & Gas Company L.C. on the wellbore schedule.
It holds an active disposal or injection permit, with 33.9K barrels injected in the 12 months reported through December 2025.
Operator of record
Permitted by Ken Petroleum Corporation; the EWA schedule now lists a different operator.
EL Campo, TX · P-5 Y, filed Aug 4, 2025 · 6 permits on file · (979) 543-8698
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | CHP Oil & Gas Company L.C. |
| Production reports | none |
| Latest permit | Ken Petroleum CorporationNov 2, 1978 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,050
- total depth, ft
- 1
- permits on file
- Nov 2, 1978
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: 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 |
|---|---|---|---|---|---|---|
| Pierce Estate G-3-80389 | Hutchins, South (Frio #2) | CHP Oil & Gas Company, L.C. | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 36067-99 | Drill | Ken Petroleum Corporation | Nov 2, 1978 | Nov 2, 1978 | Nov 11, 1978 | 6,050 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-80389 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,558 | 4,562 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 337 | 12.25 | 210 S |
| 2.375 | 4,468 | — | — |
| 4.5 | 6,026 | 7.875 | 1,080 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 24, 1996 | Sep 4, 1996 | — |
| 00 | Aug 1, 1996 | Mar 25, 1996 | — |
| 00 | Jan 12, 1984 | Jan 24, 1979 | — |
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 42-481-31704 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-481-31704 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 33.9K
- bbl, last 12 reported months
- 903K
- bbl, all reported
- Dec 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000083958 | W-14 Disposal | Active | 1,000 | 2,000 | 5,240–5,307 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 33,852 · prior 12 35,518(-5%)
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/48131704, documented in the API reference.