WELL · 42-255-31811 · DISTRICT 2
Cef #1H
Karnes County · Eagleville (Eagle Ford-2) field · Producing · Horizontal
Cef #1H (API 42-255-31811) is a horizontal well in Karnes County operated by Murphy Expl. & Prod. CO. - USA, completed June 28, 2011 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended twice), issued December 6, 2010, permitted to 11,111 ft.
Completion filings report 4 formation tops, including Navarro, Olmos, Chalk, Eagle Ford.
Its lease has reported 431K barrels of oil and 576K mcf of gas since January 2011, last reporting in July 2026.
Operator of record
Murphy Expl. & Prod. Co. - USA
Houston, TX · P-5 Y, filed Mar 4, 2026 · 1,458 permits on file · (888) 266-7093
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Murphy Expl. & Prod. Co. - USA |
| Production reports | Murphy Expl. & Prod. Co. - USAthrough Apr 2026 |
| Latest permit | Murphy Expl. & Prod. Co. - USADec 6, 2010 |
- 11,111
- total depth, ft
- 3
- permits on file
- Dec 6, 2010
- last permit issued
- Jun 28, 2011
- completed
- 431K
- cumulative oil, bbl
- 576K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 28, 2011
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
29.016694, -97.818172
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Karnes County.
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 |
|---|---|---|---|---|---|---|
| Cef O-2-9608 | Eagleville (Eagle Ford-2) | Murphy Expl. & Prod. Co. - USA | 1 | 431K | 576K | Jan 2011 – Jul 2026 |
Oil, barrels lease total
Last 12 months 8,395 · prior 12 9,564(-12%)
Gas, mcf lease total
Last 12 months 4,776 · prior 12 9,460(-50%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Murphy Expl. & Prod. Co. - USAJul 2011 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 706213-97 | Drill | Murphy Expl. & Prod. Co. - USA | Oct 4, 2021 | Dec 6, 2010 | Dec 20, 2010 | 11,111 |
| 706213-98 | Drill | Murphy Expl. & Prod. Co. - USA | Aug 15, 2011 | Dec 6, 2010 | Dec 22, 2010 | 11,111 |
| 706213-99 | Drill | Murphy Expl. & Prod. Co. - USA | Dec 2, 2010 | Dec 6, 2010 | Dec 22, 2010 | 11,111 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-9608 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 306 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Navarro | 8,526 | -8,220 |
| Olmos | 9,357 | -9,051 |
| Chalk | 10,656 | -10,350 |
| Chalk | 10,699 | -10,393 |
| Eagle FordEAGLEFORD | 10,977 | -10,671 |
| Eagle FordEAGLEFORD | 10,984 | -10,678 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,541 | 16,516 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 3,698 | 14.75 | 2,045 S |
| 5.5 | 16,652 | 6.75 | 1,538 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 | Oct 12, 2021 | Sep 20, 2021 | — |
| 00 | Mar 7, 2012 | Nov 1, 2011 | — |
| 00 | Oct 10, 2011 | Jun 23, 2011 | Yes |
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 42-255-31811 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-31811 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Cef-Crisp a AC SA 142-255-36743
0.3 KM · BPX Operating Company · Section with this well →
| Frio | 500 | -193 |
| Yegua | 1,241 | -934 |
| Queen City | 3,034 | -2,727 |
| Reklaw | 3,814 | -3,507 |
| Carrizo | 4,302 | -3,995 |
| Wilcox | 4,302 | -3,995 |
| Austin Chalk | 10,739 | -10,432 |
| Eagle Ford | — |
10 TOPS · FIRST 8
Cef-Crisp a SA 142-255-36756
0.3 KM · BPX Operating Company · Section with this well →
| Frio | 500 | -193 |
| Yegua | 1,242 | -935 |
| Queen City | 2,953 | -2,646 |
| Reklaw | 3,831 | -3,524 |
| Wilcox | 4,276 | -3,969 |
| Carrizo | 4,276 | -3,969 |
| Austin Chalk | 10,732 | -10,425 |
| Eagle Ford | 10,955 | -10,648 |
10 TOPS · FIRST 8
Yanta a AC-Crisp a AC SA 142-255-36744
0.3 KM · BPX Operating Company · Section with this well →
| Yegua | 166 | 141 |
| Frio | 500 | -193 |
| Queen City | 2,956 | -2,649 |
| Reklaw | 3,885 | -3,578 |
| Wilcox | 4,297 | -3,990 |
| Carrizo | 4,297 | -3,990 |
| Austin Chalk | 10,679 | -10,372 |
| Edwards | — |
10 TOPS · FIRST 8
Yanta a-Bodden Unit SA 142-255-36753
0.3 KM · BPX Operating Company · Section with this well →
| Frio | 500 | -193 |
| Yegua | 1,052 | -745 |
| Queen City | 2,860 | -2,553 |
| Reklaw | 3,749 | -3,442 |
| Carrizo | 4,172 | -3,865 |
| Wilcox | 4,172 | -3,865 |
| Austin Chalk | 10,668 | -10,361 |
| Eagle Ford | 10,895 | -10,588 |
10 TOPS · FIRST 8
Krawietz-Janet Ruth Usw F42-255-36003
0.6 KM · Burlington Resources O & G Co LP · Section with this well →
| Yegua | 1,262 | -962 |
| Queen City | 3,189 | -2,889 |
| Reklaw | 3,955 | -3,655 |
| Carrizo | 4,206 | -3,906 |
| Wilcox | 4,244 | -3,944 |
| Austin Chalk | 10,703 | -10,403 |
| Eagle Ford | 10,950 | -10,650 |
| Sligo | — |
10 TOPS · FIRST 8
Krawietz-Janet Ruth Usw E42-255-36002
0.6 KM · Burlington Resources O & G Co LP · Section with this well →
| Yegua | 1,261 | -961 |
| Queen City | 3,187 | -2,887 |
| Reklaw | 3,956 | -3,656 |
| Carrizo | 4,197 | -3,897 |
| Wilcox | 4,340 | -4,040 |
| Austin Chalk | 10,691 | -10,391 |
| Eagle Ford | 10,921 | -10,621 |
| Frio | — |
10 TOPS · FIRST 8
Krawietz-Janet Ruth Usw D42-255-36001
0.6 KM · Burlington Resources O & G Co LP · Section with this well →
| Yegua | 1,260 | -960 |
| Queen City | 3,185 | -2,885 |
| Reklaw | 3,955 | -3,655 |
| Carrizo | 4,194 | -3,894 |
| Wilcox | 4,339 | -4,039 |
| Austin Chalk | 10,710 | -10,410 |
| Eagle Ford | 10,952 | -10,652 |
| Frio | — |
10 TOPS · FIRST 8
Krawietz-Janet Ruth Usw C42-255-36000
0.6 KM · Burlington Resources O & G Co LP · Section with this well →
| Yegua | 1,260 | -960 |
| Queen City | 3,186 | -2,886 |
| Reklaw | 3,955 | -3,655 |
| Carrizo | 4,192 | -3,892 |
| Wilcox | 4,343 | -4,043 |
| Austin Chalk | 10,724 | -10,424 |
| Eagle Ford | 10,968 | -10,668 |
| Sligo | — |
10 TOPS · FIRST 8
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/25531811, documented in the API reference.