MILLEDGE

Operated by MEWBOURNE OIL COMPANY (P-5 562560) in the PSHIGODA, N. (DES MOINES) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 6335District 10Field 73336500Hydrogen sulphide fieldNGPA filingOilCasinghead gasSaveExport
Value, all time
$91 k
Jan 1993 – Jun 1999
Value, last 12 filed months
$2 k
at the published price for each month
Months reported
78
no gaps in the span
Streams
2
oil, casinghead gas

The Railroad Commission's own record for the field this lease produces from, including the spacing rule that governs how close together its wells may be drilled.

These are facts about the field, not about this lease. The field holds 47 leases and 80 wells, and the rule below applies to all of them.

Discovered
1967-02-18
as the register files it
Field class
Oil and gas
the register's own label
Between wells
1,320 ft
minimum
From a lease line
660 ft
minimum

A drilling unit in this field needs at least 80 acres. The field rule took effect on 1998-03-01.

The register flags this field for hydrogen sulphide. That is a poisonous gas that occurs naturally in some formations. The flag is a property of the field as the Commission records it. It is not a measurement taken at this lease, and it is not a statement that gas is escaping anywhere.

The Commission's schedule remark for this field reads: ALLOCATION FORMULA EFFECTIVE 03/01/98.

Severance-tax incentive filings

Applications the operator filed to have this lease's gas taxed at a reduced state rate. A filing is an application, and this page never calls one a reduction that was granted.

ProgrammeFilingsWith an approval dateDatedDocket
NGPA4none

This says nothing about a royalty. A severance tax is charged to the operator. Whether a reduced rate reaches a royalty owner depends on the wording of the lease instrument, which is a private contract this site does not hold.

What this lease produced, and what it was worth

Oil and condensate are valued on the volume the state records as disposed of; gas and casinghead gas on the volume produced. They are different columns of different files, and the difference is not cosmetic.

StreamBasisVolumeValue
OilDisposition4,077 bbl$67,984
Casinghead gasProduction82,326 Mcf$23,310
Total$91,294

72,838 Mcf of this lease's gas, across 48 months, carries no value here. No free Texas wellhead gas price exists before 1997, so those months are left out of the total rather than valued at zero. The total above is therefore a floor, not an estimate.

Wells on this lease (4)

Every wellbore the Railroad Commission records against this lease key, with the depth, the last completion and the plug date exactly as filed. A well with no plug date is not stated to be producing — the state files no such flag.

These wells centre on 36.2825, -100.8799. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.5 miles.

36.28236, -100.88107 · centre of the wells drawn, derived

What these wells add up to

Every figure below is counted over all of this lease's wells, not over the rows listed above. The Railroad Commission files two facts about a well's state — a plug date and a proration-schedule flag — and a well can carry both, so they are published as separate counts and never merged into a status.

On the schedule
100.0%
4 of 4 wells
With a plug date
75.0%
3 of 4 wells
Median depth
7,045 ft
4 wells filed one
Completion to plug
12.3 years
median over 3 wells

What the state filed about each well

On the RRC proration schedule
4100.0%
A plug date is filed
375.0%
BothOn the schedule and plugged. Neither fact cancels the other.
375.0%
NeitherNo plug date, and not on the schedule.
00.0%

A plug date is the date the Commission recorded the wellbore as sealed with cement and abandoned. It is the only end-of-life fact Texas files. There is no "active" flag on a well, so this page does not print one — a well with no plug date is not stated to be producing.

How deep they were drilled

Between 7,020 and 7,070 ft, median 7,045 ft, over the 4 wells that filed a depth.

Completions filed
Jan 1987 – Aug 1998
4 of 4 wells
Plug dates filed
May 1999 – Jul 2021
3 of 4 wells; 1 filed none

Last completion to plug: a median of 12.3 years across the 3 wells that filed both dates, with the middle half between 7.9 years and 17.7 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

4 wells

42-3573181627,070 ftAug 1998Jul 2021Yes
42-3573181717,070 ftDec 1995May 1999Yes
42-3573187547,020 ftJul 1995Yes
42-3573184337,020 ftJan 1987May 1999Yes

The API number is the state's, prefixed 42 for Texas. A well is matched to this lease by the lease key the Commission files on the wellbore record, so a well that has moved between leases appears under each one it was filed against.

Every month this lease reported (78)

Volume × price = value, one row per cycle. The price columns are the same series published on the prices page — nothing here is modelled.

78 months

Jun 19990015.942.36$0
May 19990015.792.32$0
Apr 19990015.102.21$0
Mar 19990012.471.84$0
Feb 1999009.981.82$0
Jan 19990010.381.90$0
Dec 1998009.201.77$0
Nov 19980010.892.19$0
Oct 19980012.421.97$0
Sep 19980012.592.08$0
Aug 199887011.301.91$983
Jul 1998041711.742.24$933
Jun 1998042211.242.24$944
May 1998049412.622.21$1,090
Apr 1998045013.042.51$1,127
Mar 1998050212.802.31$1,159
Feb 1998051413.952.30$1,182
Jan 1998053014.702.15$1,142
Dec 1997054416.322.41$1,312
Nov 1997049118.193.09$1,516
Oct 1997039119.253.15$1,232
Sep 19970017.742.95$0
Aug 199718649617.862.55$4,589
Jul 1997071917.582.25$1,616
Jun 1997038217.242.26$862
May 1997056718.972.31$1,309
Apr 199719369717.882.08$4,903
Mar 1997072018.951.94$1,396
Feb 199719523020.492.21$4,503
Jan 1997092223.483.54$3,264
Dec 1996097523.32$0
Nov 19961841,05421.97$4,042
Oct 199601,06323.31$0
Sep 199601,02322.22$0
Aug 19961781,23520.26$3,606
Jul 19961911,34019.55$3,734
Jun 19961921,73118.73$3,596
May 199618525919.43$3,595
Apr 1996022421.51$0
Mar 199603719.38$0
Feb 1996020316.98$0
Jan 19969524817.07$1,622
Dec 1995022117.19$0
Nov 1995030116.00$0
Oct 1995022815.43$0
Sep 1995016116.18$0
Aug 1995046915.92$0
Jul 199501,00915.24$0
Jun 1995045016.41$0
May 1995064817.56$0
Apr 199519481817.73$3,440
Mar 1995078916.44$0
Feb 1995083316.58$0
Jan 199501,08315.92$0
Dec 19941951,44915.03$2,931
Nov 199401,30815.90$0
Oct 199401,52215.58$0
Sep 19941821,59915.29$2,783
Aug 19941821,61616.13$2,936
Jul 199402,25717.56$0
Jun 199402,42117.09$0
May 19941843,14515.88$2,922
Apr 199402,92414.14$0
Mar 19941832,99212.46$2,280
Feb 199402,79712.50$0
Jan 19941793,36912.66$2,266
Dec 19931802,93412.33$2,219
Nov 19931842,73014.49$2,666
Oct 19931812,64215.85$2,869
Sep 199302,36915.03$0
Aug 199301,98515.66$0
Jul 19933642,28115.46$5,627
Jun 199302,48616.79$0
May 199302,22417.68$0
Apr 199302,12218.05$0
Mar 199302,39118.14$0
Feb 199302,23417.90$0
Jan 19931832,63916.93$3,098

How to read this page

The arithmetic is one multiplication per stream per month. Here it is, worked, on a real row from the table above.

Aug 1998 — as filed, then multipliedworked
Oil                   87 bbl  × $ 11.30 =       $983
Casinghead gas         0 Mcf  × $  1.91 =         $0

────────────────────────────────────────────────────
Month total                                     $983

The volumes are the state's, unchanged

Every barrel and every Mcf on this page is a number the Railroad Commission of Texas published in its monthly production query. Nothing is modelled, estimated or filled in.

The dollars are a multiplication, not a valuation

Volume × a published monthly price. It is not what the operator was paid: it takes no account of a contract, a differential, a transportation deduction, or the share any one owner holds.

Oil and gas are priced differently

Oil is a Texas realisation — the crude oil first purchase price. Gas is a benchmark, because no free Texas wellhead gas series exists at any date. The prices page publishes the difference rather than correcting it away.

A lease is not a well

The state reports oil on lease and gas on well, and this page is the lease grain. 10/O/6335 is the state's own key, not one this site invented.