LANGFORD "13"

Operated by COX, JOHN L. (P-5 185980) in the SPRABERRY (TREND AREA) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 7575District 7CField 85279200NGPA filingOilCasinghead gasSaveExport
Value, all time
$115 k
Jan 1993 – Jan 1997
Value, last 12 filed months
$14 k
at the published price for each month
Months reported
49
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 7,461 leases and 22,481 wells, and the rule below applies to all of them.

Discovered
1904-12-31
as the register files it
Field class
Oil and gas
the register's own label
Between wells
0 ft
minimum
From a lease line
330 ft
minimum

A drilling unit in this field needs at least 80 acres. The field rule took effect on 2016-03-08.

The Commission's schedule remark for this field reads: AREA) 85279200.

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
NGPA2none

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
OilDisposition6,972 bbl$114,741
Casinghead gasProduction11,740 Mcf$0
Total$114,741

11,740 Mcf of this lease's gas, across 45 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 (2)

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 31.3710, -101.9602. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.7 miles.

31.37101, -101.96018 · 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%
2 of 2 wells
With a plug date
100.0%
2 of 2 wells
Median depth
8,630 ft
2 wells filed one
Completion to plug
16.8 years
median over 2 wells

What the state filed about each well

On the RRC proration schedule
2100.0%
A plug date is filed
2100.0%
BothOn the schedule and plugged. Neither fact cancels the other.
2100.0%
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 8,560 and 8,700 ft, median 8,630 ft, over the 2 wells that filed a depth.

Completions filed
Sep 1978 – May 1979
2 of 2 wells
Plug dates filed
Oct 1994 – Sep 1996
2 of 2 wells

Last completion to plug: a median of 16.8 years across the 2 wells that filed both dates, with the middle half between 16.4 years and 17.0 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

2 wells

42-4613139128,700 ftMay 1979Sep 1996Yes
42-4613133318,560 ftSep 1978Oct 1994Yes

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 (49)

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

49 months

Jan 19970023.483.54$0
Dec 19960023.32$0
Nov 19960021.97$0
Oct 199625023.31$583
Sep 1996274122.22$6,088
Aug 19960120.26$0
Jul 19960119.55$0
Jun 1996022018.73$0
May 199618522019.43$3,595
Apr 199618822021.51$4,044
Mar 1996022019.38$0
Feb 1996022016.98$0
Jan 199617022017.07$2,902
Dec 1995022017.19$0
Nov 199517022016.00$2,720
Oct 1995022015.43$0
Sep 199519122016.18$3,090
Aug 1995023815.92$0
Jul 199518825915.24$2,865
Jun 1995023916.41$0
May 199518425517.56$3,231
Apr 1995026517.73$0
Mar 199518324716.44$3,009
Feb 1995028416.58$0
Jan 199515722515.92$2,499
Dec 1994023615.03$0
Nov 199418525915.90$2,942
Oct 1994027815.58$0
Sep 199418328715.29$2,798
Aug 199418027916.13$2,903
Jul 1994033917.56$0
Jun 199418334217.09$3,127
May 199416535315.88$2,620
Apr 1994031714.14$0
Mar 199436731112.46$4,573
Feb 1994028412.50$0
Jan 199435835812.66$4,532
Dec 199319233212.33$2,367
Nov 199335935314.49$5,202
Oct 199318137615.85$2,869
Sep 199318034715.03$2,705
Aug 199318031015.66$2,819
Jul 199318028115.46$2,783
Jun 199336328616.79$6,095
May 199318233117.68$3,218
Apr 199335630518.05$6,426
Mar 199318432018.14$3,338
Feb 199354734417.90$9,791
Jan 199353229716.93$9,007

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.

Oct 1996 — as filed, then multipliedworked
Oil                   25 bbl  × $ 23.31 =       $583
Casinghead gas         0 Mcf  ×  no price            —

────────────────────────────────────────────────────
Month total                                     $583

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/7575 is the state's own key, not one this site invented.