UNIVERSITY -15-

Operated by ARATEX PRODUCTION COMPANY (P-5 28723) in the BLOCK 38 (ELLENBURGER) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 12840District 7CField 09400300OilCasinghead gasSaveExport
Value, all time
$149 k
Jan 1993 – Apr 1998
Value, last 12 filed months
$15 k
at the published price for each month
Months reported
64
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 16 leases and 16 wells, and the rule below applies to all of them.

Discovered
1978-07-11
as the register files it
Field class
Oil and gas
the register's own label
Between wells
1,200 ft
minimum
From a lease line
467 ft
minimum

A drilling unit in this field needs at least 80 acres. The field rule took effect on 1998-05-01.

The Commission's schedule remark for this field reads: ALLOCATION FORMULA EFFECTIVE 05/01/98.

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
OilDisposition7,907 bbl$133,641
Casinghead gasProduction45,032 Mcf$15,547
Total$149,188

38,925 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 (1)

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 31.0581, -101.0380. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

31.05807, -101.03797 · 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%
1 of 1 wells
With a plug date
0.0%
0 of 1 wells
Median depth
8,568 ft
1 wells filed one
Completion to plug
no well filed both dates

What the state filed about each well

On the RRC proration schedule
1100.0%
A plug date is filed
00.0%
BothOn the schedule and plugged. Neither fact cancels the other.
00.0%
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

The one well that filed a depth was drilled to 8,568 ft.

Completions filed
May 1990
1 of 1 wells

1 well

42-1053580218,568 ftMay 1990Yes

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 (64)

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

64 months

Apr 19980013.042.51$0
Mar 19980012.802.31$0
Feb 199831013.952.30$432
Jan 19980014.702.15$0
Dec 19970016.322.41$0
Nov 1997048918.193.09$1,510
Oct 1997048619.253.15$1,531
Sep 19973056917.742.95$2,214
Aug 19978156517.862.55$2,890
Jul 19974457317.582.25$2,061
Jun 19976452417.242.26$2,286
May 19977341618.972.31$2,345
Apr 19975268917.882.08$2,365
Mar 19975778918.951.94$2,610
Feb 19974343420.492.21$1,838
Jan 19975857323.483.54$3,390
Dec 199616074223.32$3,731
Nov 19963153321.97$681
Oct 19968069323.31$1,865
Sep 19968759122.22$1,933
Aug 19963067620.26$608
Jul 199610672419.55$2,072
Jun 19966557418.73$1,217
May 19969085819.43$1,749
Apr 19961231,42121.51$2,646
Mar 199611788519.38$2,267
Feb 1996471,35016.98$798
Jan 199617366517.07$2,953
Dec 199516366617.19$2,802
Nov 199513564816.00$2,160
Oct 19958264715.43$1,265
Sep 19958462216.18$1,359
Aug 19958463015.92$1,337
Jul 199514168915.24$2,149
Jun 199513869816.41$2,265
May 19959770217.56$1,703
Apr 199514072017.73$2,482
Mar 19959971116.44$1,628
Feb 199512366416.58$2,039
Jan 199512562915.92$1,990
Dec 19947760115.03$1,157
Nov 19948166915.90$1,288
Oct 199410968615.58$1,698
Sep 19945477515.29$826
Aug 199422085716.13$3,549
Jul 199429986517.56$5,250
Jun 199419283117.09$3,281
May 199413989115.88$2,207
Apr 199419374314.14$2,729
Mar 19948147312.46$1,009
Feb 19945475312.50$675
Jan 199423077112.66$2,912
Dec 199317880312.33$2,195
Nov 199326781014.49$3,869
Oct 199324381215.85$3,852
Sep 199326986015.03$4,043
Aug 199316099515.66$2,506
Jul 19932991,00915.46$4,623
Jun 19931621,62716.79$2,720
May 19933271,66517.68$5,781
Apr 19932761,20618.05$4,982
Mar 19933941,10818.14$7,147
Feb 199341764317.90$7,464
Jan 199313373416.93$2,252

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.

Feb 1998 — as filed, then multipliedworked
Oil                   31 bbl  × $ 13.95 =       $432
Casinghead gas         0 Mcf  × $  2.30 =         $0

────────────────────────────────────────────────────
Month total                                     $432

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. 7C/O/12840 is the state's own key, not one this site invented.