TEXAS · WELLS · MIDLAND COUNTY · SYLVIA -B- LEASE · API 42-329-31885 · DISTRICT 7B
Sylvia -B- #1
Midland County · Spraberry (Trend Area) field · Producing · Vertical
Sylvia -B- #1 (API 42-329-31885) is a well in Midland County operated by Pioneer Natural Res. USA Inc., completed February 5, 1988 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued August 12, 1987, permitted to 9,525 ft.
It was permitted by Parker & Parsley Petroleum CO. and has since transferred to Pioneer Natural Res. USA Inc. on the wellbore schedule.
Completion filings report 2 formation tops, including Spraberry, Dean.
Its lease has reported 48.7K barrels of oil and 153K mcf of gas since January 1993, last reporting volume in March 2025.
Operator of record
Permitted by Parker & Parsley Petroleum Co.; the EWA schedule now lists a different operator.
- Based in
- Spring, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jul 8, 2026
- Permits on file
- 15,633
- Phone
- (972) 444-4001
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pioneer Natural Res. USA Inc. |
| Production reports | Pioneer Natural Res. USA, Inc.through Mar 2025 |
| Latest permit | Parker & Parsley Petroleum Co.Aug 12, 1987 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,525
- total depth, ft
- 2
- permits on file
- Aug 12, 1987
- last permit issued
- Feb 5, 1988
- completed
- 48.7K
- cumulative oil, bbl
- 153K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2025
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 5, 1988
- 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 |
|---|---|---|---|---|---|---|
| Sylvia -B- O-10-31645 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 1 | 48.7K | 153K | Jan 1993 – Mar 2025 |
Oil, barrels lease total
Last 12 months 0 · prior 12 914(-100%)
Gas, mcf lease total
Last 12 months 0 · prior 12 1,491(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Parker & Parsley Development Co.Jan 1993 → Feb 1995
- 2Parker & Parsley Development L.PMar 1995 → Aug 1997
- 3Pioneer Natural Res. USA, Inc.Sep 1997 → Mar 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 334228-98 | Drill | Parker & Parsley Petroleum Co. | Aug 24, 1987 | Aug 12, 1987 | — | 9,525 |
| 334228-99 | Drill | Parker & Parsley Petroleum Co. | Aug 10, 1987 | Aug 12, 1987 | — | 9,525 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 5, 1988 | Sylvia -B- O-10-31645 | Spraberry (Trend Area) | Pioneer Natural Res. USA Inc. | Producing | 9,525 |
Formation tops
As filed on W-2/G-1. Subsea from 2,795 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,842 | 8,048 | Perforated |
| 8,517 | 8,822 | Perforated |
| 9,208 | 9,460 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 12.75 | 281 | 17.5 | 300 S |
| 8.625 | 4,462 | 11 | 250 S |
| 4.5 | 9,525 | 7.875 | 1,250 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Mar 1, 1988 | Feb 11, 1988 | Yes |
| 00 | Feb 23, 1988 | — | — |
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 42-329-31885 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-31885 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/32931885, documented in the API reference.