TEXAS · WELLS · WASHINGTON COUNTY · TIEMANN LEASE · API 42-477-30873 · DISTRICT 03
Tiemann #1H
Washington County · Giddings (Austin Chalk-3) field · Producing · Horizontal
- Fields on the latest permit · any of 3
- Giddings (Austin Chalk-3) · Giddings (Austin Chalk, Gas) · Navasota River (Cretaceous Lwr.)
- Not one formation; the well must be completed in one of them, and no target formation is stated. The district's wildcat field is also on the permit.
Tiemann #1H (API 42-477-30873) is a horizontal well in Washington County operated by Magnolia Oil & Gas Operating LLC, completed February 23, 1999 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued December 11, 1998, permitted to 15,313 ft.
It was permitted by Chesapeake Operating, Inc. and has since transferred to Magnolia Oil & Gas Operating LLC on the wellbore schedule.
Completion filings report one formation top, including Austin Chalk.
Its lease has reported 54 barrels of oil and 33.2M mcf of gas since February 1999, last reporting volume in August 2026.
Operator of record
Magnolia Oil & Gas Operating LLC
Permitted by Chesapeake Operating, Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- May 6, 2026
- Permits on file
- 617
- Phone
- (713) 842-9050
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Magnolia Oil & Gas Operating LLC |
| Production reports | Magnolia Oil & Gas Operating LLCthrough Aug 2026 |
| Latest permit | Chesapeake Operating, Inc.Dec 11, 1998 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 15,313
- total depth, ft
- 1
- permits on file
- Dec 11, 1998
- last permit issued
- Feb 23, 1999
- completed
- 54
- cumulative oil, bbl
- 33.2M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · FEB 1999 THROUGH AUG 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 23, 1999
- 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.
Wells nearby
Every well with a location on file around this well, in any state, nearest first.
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH AUG 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 |
|---|---|---|---|---|---|---|
| Tiemann G-3-173352 | Giddings (Austin Chalk-3) | Magnolia Oil & Gas Operating LLC | 1 | 54 | 33.2M | Feb 1999 – Aug 2026 |
Gas, mcf lease total
Last 12 months 17,532 · prior 12 17,830(-2%)
Wells named Tiemann
Magnolia Oil & Gas Operating LLC's other wells filed under this lease name in Washington County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.
Loading the lease's wellsChain of custody
Every operator that reported production on this well's lease, in order.
- 1Chesapeake Operating, Inc.Feb 1999 → Jun 2009
- 2Enervest Operating, L.L.C.Jul 2009 → Jul 2018
- 3Magnolia Oil & Gas Operating LLCAug 2018 → Aug 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 481448-99 | Drill | Chesapeake Operating, Inc. | Dec 11, 1998 | Dec 11, 1998 | Dec 14, 1998 | 16,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 23, 1999 | Tiemann G-3-173352 | Giddings (Austin Chalk-3) | Magnolia Oil & Gas Operating LLC | Producing | 15,313 |
Formation tops
As filed on W-2/G-1. Subsea from 399 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin ChalkAUSTIN CHALK (TOP) | 14,932 | -14,533 |
| Austin ChalkAUSTIN CHALK (BASE) | 15,297 | -14,898 |
| Austin ChalkAUSTIN CHALK (BASE) | — | — |
| Austin ChalkAUSTIN CHALK (TOP) | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,200 | 20,085 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 2,500 | 17.5 | 1,465 S |
| 9.625 | 12,200 | 12.25 | 1,070 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 | Aug 1, 2002 | Jul 5, 2002 | — |
| 00 | Jul 19, 1999 | Jun 14, 1999 | Yes |
| 00 | Jul 8, 1999 | — | — |
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 42-477-30873 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-477-30873 → 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/47730873, documented in the API reference.