TEXAS · WELLS · OCHILTREE COUNTY · API 42-357-31745 · DISTRICT 08

Schwalk #1

Shut in

Ochiltree County · Northam (Chester) field · SWR-10-Well  · Vertical

Schwalk #1 (API 42-357-31745) is a well in Ochiltree County operated by Mewbourne Oil Company, completed November 18, 1985 and listed as swr-10-well on the RRC schedule, shut in January 1, 2003.

The RRC has issued 2 drilling permits between 1985 and 2003, permitted to 8,490 ft.

Completion filings report 6 formation tops, including Base Of Heebner, Tonkawa, Marmaton, Thirteen Finger.

Its 3 leases have reported 7.98K barrels of oil and 250K mcf of gas since January 1993, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.

Operator of record

Mewbourne Oil Company

Based in
Tyler, TX
P-5 status
Active (A)
P-5 last filed
May 21, 2026
Permits on file
2,061
Phone
(903) 561-2900

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMewbourne Oil Company
Production reportsMewbourne Oil Companythrough Mar 2021
Latest permitMewbourne Oil Co.Mar 10, 2003
8,490
total depth, ft
2
permits on file
Mar 10, 2003
last permit issued
Nov 18, 1985
completed
7.98K
cumulative oil, bbl
250K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 18, 1985
Shut in
Jan 1, 2003
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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Schwalk G-14-119675Northam (Chester)Mewbourne Oil Company10123KJan 1993 – Jul 2026
Schwalk G-14-216357Perryton, N. E. (Marmaton)Mewbourne Oil Company10105KDec 2005 – May 2025
Schwalk O-14-7444Perryton, N. E. (Marmaton)Mewbourne Oil Company17.98K21.3KFeb 2003 – Jul 2006

No volumes reported on these leases in the last three years.

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Mewbourne Oil CompanyJan 1993 → Mar 2021

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
529310-99RecompletionMewbourne Oil Co.Mar 7, 2003Mar 10, 2003Feb 12, 20038,490
282945-99DrillMewbourne Oil Co.Aug 9, 1985Aug 21, 1985Oct 19, 19858,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Nov 18, 1985Schwalk G-14-119675Northam (Chester)Mewbourne Oil CompanySWR-10-Well · shut in Jan 1, 20038,490
Dec 1, 2005Schwalk G-14-216357Perryton N. E. (Marmaton)Mewbourne Oil CompanyPlugged—
Mar 1, 2003Schwalk O-14-7444Perryton N. E. (Marmaton)Mewbourne Oil CompanyPlugged—

Formation tops

As filed on W-2/G-1. Subsea from 2,924 ft elevation.Download CSV →

FormationMD ftSubsea
Base of Heebner5,360-2,436
Tonkawa6,025-3,101
Marmaton6,669-3,745
Thirteen Finger7,576-4,652
MorrowUPPER MORROW7,859-4,935
MorrowLOWER MORROW8,181-5,257
Chester8,302-5,378

Perforations

Perforated and open-hole intervals.

FromToType
6,7006,920Perforated
8,3028,382Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,79013.51,200 S
5.58,4888.75400 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Oct 4, 2006Dec 30, 2005—
00Jun 14, 2006——
00Apr 24, 2003Mar 20, 2003Yes
00Apr 1, 2003——
00Feb 4, 1986Dec 23, 1985Yes
00Jan 28, 1986——

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.

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/35731745, documented in the API reference.