Petrora

TEXAS · WELLS · WHARTON COUNTY · API 42-481-03431 · DISTRICT 03

Cockburn H. C. #77

Plugged

Wharton County · Magnet Withers (F-15 E.) field  · Vertical

Cockburn H. C. #77 (API 42-481-03431) is a plugged well in Wharton County, plugged April 8, 1996, last operated by Exxon Corp..

The RRC has issued 4 drilling permits between 1977 and 1984, permitted to 7,350 ft.

Its 4 leases have reported 6.54M barrels of oil and 5.82M mcf of gas since January 1993, last reporting in July 2026. The leases carry 146 wells, so these are lease totals, not this well alone.

Operator of record

Exxon Corp.

Based in
Houston, TX
P-5 status
See remarks (S)
P-5 last filed
Mar 15, 1999
Permits on file
19,549
Phone
(713) 431-1125
Watch this operatorWatch Wharton County

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleExxon Corp.
Production reportsOrx Resources, L.L.C.through Apr 2026
Latest permitExxon Corp.Sep 27, 1984

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

7,350
total depth, ft
4
permits on file
Sep 27, 1984
last permit issued
Nov 16, 1984
completed
6.54M
cumulative oil, bbl
5.82M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Nov 16, 1984
Shut in
—
Plugged
Apr 8, 1996

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 4 leases this well is completed on; they carry 146 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Cockburn, H. C. O-3-2899Magnet WithersOrx Resources, L.L.C.1436.54M5.82MJan 1993 – Jul 2026
Cockburn, H. C. G-3-67396Magnet Withers (F-15, E.)Exxon Corp.100Jan 1993 – Apr 1996
Cockburn, H. C. G-3-68333Magnet Withers (F-10, East)Exxon Corp.100Jan 1993 – Apr 1996
Cockburn, H. C. G-3-89173Magnet Withers (F-15, E.)Exxon Corp.100Jan 1993 – Apr 1996

Oil, barrels lease total

Last 12 months 91,244 · prior 12 85,228(+7%)

05K10K202420252026

Gas, mcf lease total

Last 12 months 6,535 · prior 12 4,502(+45%)

02K4K6K202420252026

Chain of custody

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

  1. 1Exxon Corp.Jan 1993 → Mar 2000
  2. 2Exxon Mobil CorporationApr 2000 → Dec 2005
  3. 3KCS Resources, Inc.Jan 2006 → Nov 2007
  4. 4Milagro Exploration, LLCDec 2007 → Oct 2015
  5. 5White Oak Operating Company LLCNov 2015 → Apr 2023
  6. 6Orx Resources, L.L.C.May 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
252865-99OtherExxon Corp.Sep 27, 1984Sep 27, 1984—7,350
224355-99RecompletionExxon Corp.Aug 24, 1983Dec 14, 1983—7,350
74869-99RecompletionExxon Corp.Feb 6, 1980Feb 6, 1980—7,350
3135-99RecompletionExxon Corp.Jul 15, 1977Jul 15, 1977—7,350

Completions

CompletedLeaseFieldOperatorStatusDepth
Nov 16, 1984Cockburn H. C. G-3-89173Magnet Withers (F-15 E.)Exxon Corp.Plugged—
Nov 16, 1984Cockburn H. C. G-3-89173Magnet Withers (F-15 E.)Exxon Corp.Plugged—
Jul 11, 1976Cockburn H. C. G-3-67396Magnet Withers (F-15 E.)Exxon Corp.Plugged—
Jan 13, 1973Cockburn H. C. O-3-2899Magnet WithersOrx Resources L.L.C.Plugged—
Sep 1, 1971— G-3-51656Magnet Withers (F-21 East)Exxon Corp.Plugged—
Dec 2, 1966Cockburn H. C. O-3-7100Magnet Withers (F-10 East)KCS Resources Inc.Plugged—
Dec 2, 1966Cockburn H. C. G-3-68333Magnet Withers (F-10 East)Exxon Corp.Plugged—
Aug 1, 1965— G-3-36540Magnet Withers (F-23 East)Humble Oil & Refining Co.Plugged—
Jun 1, 1965— G-3-36539Magnet Withers (F-14 East)Humble Oil & Refining Co.Plugged—
Jun 1, 1965— G-3-36538Magnet Withers (F- 8 East)Exxon Corp.Plugged—
—Cockburn H. C. G-3-72433Magnet Withers (F-16 E.)Exxon Corp.Plugged—
—Cockburn H. C. O-3-7100Magnet Withers (F-10 East)KCS Resources Inc.Plugged—
—Cockburn H. C. G-3-36537Magnet Withers (F- 9 East)Exxon Corp.Plugged—

Perforations

Perforated and open-hole intervals.

FromToType
4,1804,248Perforated
5,5305,534Perforated
5,9225,935Perforated
6,0196,023Perforated
6,1266,158Perforated
6,5386,542Perforated
6,5916,597Perforated
6,8946,899Perforated
6,9686,990Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,52515825 S
2.8756,7679.875850 S
2.8756,767——
2.8756,7909.875850 S
2.0386,790——
2.8757,2189.875850 S
2.8757,218——
2.8757,3319.875850 S
2.8757,331—850 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
00Jan 25, 1985Jan 15, 1985—
00Jan 12, 1984Aug 8, 1980—
00Jan 12, 1984Aug 17, 1977—
00Jan 12, 1984Oct 6, 1976—
00Jan 12, 1984Jul 30, 1976—
00Jan 12, 1984Mar 29, 1973—
00Jan 12, 1984Feb 21, 1967—
00Jan 12, 1984——

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.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

0
bbl, last 12 reported months
0
bbl, all reported
—
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000003040UIC PermitPlugged Apr 26, 1996000–0

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/48103431, documented in the API reference.