TEXAS · WELLS · MARTIN COUNTY · O-10-33205 LEASE · API 42-317-33855 · DISTRICT 7B

Welch 39-B #1

Plugged

Martin County · J C (Strawn) field  · Vertical

Welch 39-B #1 (API 42-317-33855) is a plugged well in Martin County, plugged July 15, 1992, last operated by Cox John L..

The RRC has issued one drilling permit (amended once), issued March 8, 1991, permitted to 12,000 ft.

Completion filings report 6 formation tops, including Redbeds, Spraberry, Wolfcamp, Strawn.

Operator of record

Cox John L.

Based in
Midland, TX
P-5 status
Inactive (I)
P-5 last filed
Mar 21, 2003
Permits on file
1,123
Phone
(432) 682-9435

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCox John L.
Production reportsnone
Latest permitCox, John L.Mar 8, 1991
12,000
total depth, ft
2
permits on file
Mar 8, 1991
last permit issued
Jun 16, 1991
completed
0
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jun 16, 1991
Shut in
—
Plugged
Jul 15, 1992

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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
— O-10-33205——000—

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

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
385349-98DrillCox, John L.Jun 20, 1991Mar 8, 1991—12,000
385349-99DrillCox, John L.Mar 6, 1991Mar 8, 1991Apr 12, 199112,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Jun 16, 1991Welch 39-B O-10-33205J C (Strawn)Cox John L.Plugged—

Formation tops

As filed on W-2/G-1. Subsea from 2,820 ft elevation.Download CSV →

FormationMD ftSubsea
Redbeds2502,570
Spraberry7,530-4,710
SpraberryLOWER SPRABERRY8,152-5,332
Wolfcamp9,050-6,230
Strawn10,580-7,760
Woodford11,512-8,692
Devonian11,590-8,770

Perforations

Perforated and open-hole intervals.

FromToType
10,58810,670Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37529517.5320 S
8.6255,075111,200 S
4.511,2977.8751,400 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
00Aug 7, 1991Jun 19, 1991Yes
00Jul 8, 1991——

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) 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/31733855, documented in the API reference.