TEXAS · WELLS · MIDLAND COUNTY · SHACKELFORD "44" "A" LEASE · API 42-329-32378 · DISTRICT 7B
Shackelford 44 A #1
Midland County · Spraberry (Trend Area) field · Vertical
Shackelford 44 A #1 (API 42-329-32378) is a plugged well in Midland County, plugged June 26, 2017, last operated by Xto Energy Inc..
The RRC has issued one drilling permit, issued February 20, 1991, permitted to 8,600 ft.
It was permitted by Plains Petroleum Operating CO. and has since transferred to Xto Energy Inc. on the wellbore schedule.
Completion filings report 5 formation tops, including Clear Fork, U. Spraberry, M. Spraberry, L. Spraberry.
Its lease has reported 59.7K barrels of oil and 446K mcf of gas since the record begins in January 1993, with no volume in the three years through August 2026.
Operator of record
Permitted by Plains Petroleum Operating Co.; the EWA schedule now lists a different operator.
- Based in
- Spring, TX
- P-5 status
- Active (A)
- P-5 last filed
- Apr 8, 2026
- Permits on file
- 16,156
- Phone
- (346) 502-1572
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | XTO Energy Inc. |
| Production reports | XTO Energy Inc.through Oct 2010 |
| Latest permit | Plains Petroleum Operating Co.Feb 20, 1991 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,600
- total depth, ft
- 1
- permits on file
- Feb 20, 1991
- last permit issued
- Apr 17, 1991
- completed
- 59.7K
- cumulative oil, bbl
- 446K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · ON RECORD FROM JAN 1993, THE RECORD'S FIRST MONTH, THROUGH OCT 2010
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 17, 1991
- Shut in
- —
- Plugged
- Jun 26, 2017
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 |
|---|---|---|---|---|---|---|
| Shackelford "44" "A" O-10-33173 | Spraberry (Trend Area) | XTO Energy Inc. | 1 | 59.7K | 446K | by Jan 1993 – Oct 2010 |
No volumes reported on these leases in the last three years.
Wells named Shackelford 44 A
XTO Energy Inc.'s other wells filed under this lease name in Midland 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.
- 1Plains Petroleum Operating Co.Jan 1993 → Jan 2000
- 2Rim Operating, Inc.Feb 2000 → Aug 2001
- 3Dean Energy, Inc.Sep 2001 → Oct 2007
- 4Dacott Oil & Gas, LLCNov 2007 → Mar 2010
- 5Berry Oil Comp.Apr 2010 → Aug 2010
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 384639-99 | Drill | Plains Petroleum Operating Co. | Feb 14, 1991 | Feb 20, 1991 | Mar 1, 1991 | 8,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 17, 1991 | Shackelford 44 A O-10-33173 | Spraberry (Trend Area) | XTO Energy Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,783 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 6,522 | -3,739 |
| Clear ForkCLEARFORK LS | 6,990 | -4,207 |
| U. Spraberry | 7,384 | -4,601 |
| M. Spraberry | 7,626 | -4,843 |
| L. Spraberry | 7,986 | -5,203 |
| Jo Mill | 8,284 | -5,501 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,388 | 7,766 | Perforated |
| 8,004 | 8,342 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 12.75 | 353 | 17.5 | 380 S |
| 8.625 | 4,202 | 11 | 385 S |
| 5.5 | 8,467 | 7.875 | 720 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 | Jun 18, 1991 | May 24, 1991 | Yes |
| 00 | Jun 4, 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.
- Wellbore filings for 42-329-32378 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-32378 → 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/32932378, documented in the API reference.