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CONATSER

Operated by BRACKEN OPERATING, L.L.C. (P-5 85851) in the MATHERS RANCH (TONKAWA) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Gas lease lease 138071District 10Field 58257798CondensateGasSaveExport
Value, all time
$142 k
Jan 1993 – Jan 2002
Value, last 12 filed months
$5 k
at the published price for each month
Months reported
109
no gaps in the span
Streams
2
condensate, gas

The MATHERS RANCH (TONKAWA) field

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 19 leases and 22 wells, and the rule below applies to all of them.

Discovered
1974-03-25
as the register files it
Field class
Oil and gas
the register's own label
Between wells
—
no field rule filed
From a lease line
—
no field rule filed

The Commission's schedule remark for this field reads: “FIELD MADE EXEMPT EFC 9/1/11”

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
CondensateDisposition1,171 bbl$19,865
GasProduction121,175 Mcf$121,994
Total$141,859

72,271 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 35.8935, -100.1861. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

35.89353, -100.18611 · 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
100.0%
1 of 1 wells
Median depth
8,007 ft
1 wells filed one
Completion to plug
11.0 years
median over 1 well

What the state filed about each well

On the RRC proration schedule
1100.0%
A plug date is filed
1100.0%
BothOn the schedule and plugged. Neither fact cancels the other.
1100.0%
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 8,007 ft.

Completions filed
Jan 1991
1 of 1 wells
Plug dates filed
Jan 2002
1 of 1 wells

Last completion to plug: a median of 11.0 years across the 1 well that filed both dates, with the middle half between 11.0 years and 11.0 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

1 well

42-2113187211608,007 ftJan 1991Jan 2002Yes

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 (109)

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

109 months

Jan 20020017.172.38$0
Dec 2001247116.932.36$4,184
Nov 20010118.072.41$2
Oct 20010119.782.53$3
Sep 200108324.262.25$187
Aug 20010024.873.05$0
Jul 20010023.933.20$0
Jun 20010024.563.82$0
May 20010025.524.31$0
Apr 20010724.685.34$37
Mar 200101824.545.38$97
Feb 2001015027.755.77$865
Jan 2001027527.478.40$2,310
Dec 2000028326.889.12$2,582
Nov 2000029032.215.66$1,641
Oct 2000044631.235.15$2,295
Sep 2000012531.875.19$648
Aug 200008929.644.54$404
Jul 200004828.534.09$196
Jun 2000019729.304.40$866
May 2000022327.263.68$821
Apr 200008324.513.12$259
Mar 2000012128.422.86$346
Feb 200003327.622.73$90
Jan 2000020925.272.48$518
Dec 1999034924.282.42$846
Nov 1999054323.192.43$1,322
Oct 199901,27120.982.80$3,564
Sep 199901,29021.752.62$3,378
Aug 19991951,38919.262.88$7,750
Jul 199901,38817.892.37$3,293
Jun 199901,37315.942.36$3,243
May 199901,49615.792.32$3,472
Apr 199901,43615.102.21$3,171
Mar 199901,57612.471.84$2,897
Feb 199901,2959.981.82$2,354
Jan 199901,65610.381.90$3,146
Dec 199801,6509.201.77$2,926
Nov 199801,69210.892.19$3,698
Oct 199801,04012.421.97$2,048
Sep 1998031912.592.08$664
Aug 1998063211.301.91$1,205
Jul 1998078611.742.24$1,758
Jun 199801,06911.242.24$2,392
May 199801,02912.622.21$2,270
Apr 199801,18813.042.51$2,976
Mar 199801,35912.802.31$3,139
Feb 199801,12413.952.30$2,584
Jan 1998079614.702.15$1,715
Dec 199701,30616.322.41$3,149
Nov 199701,51618.193.09$4,682
Oct 199701,69819.253.15$5,348
Sep 19971881,32017.742.95$7,236
Aug 199701,48417.862.55$3,791
Jul 199701,60417.582.25$3,604
Jun 199701,66917.242.26$3,767
May 199701,18218.972.31$2,729
Apr 199701,70717.882.08$3,555
Mar 199702,33918.951.94$4,536
Feb 199702,00520.492.21$4,423
Jan 1997064523.483.54$2,283
Dec 1996040923.32—$0
Nov 1996082921.97—$0
Oct 199606523.31—$0
Sep 1996019222.22—$0
Aug 1996024420.26—$0
Jul 1996024919.55—$0
Jun 1996025518.73—$0
May 199604219.43—$0
Apr 1996027621.51—$0
Mar 1996034219.38—$0
Feb 1996068416.98—$0
Jan 199601,04917.07—$0
Dec 199501,73417.19—$0
Nov 199501,19916.00—$0
Oct 19952921,53615.43—$4,506
Sep 199501,42216.18—$0
Aug 199501,55115.92—$0
Jul 199501,68415.24—$0
Jun 199501,67716.41—$0
May 199502,01117.56—$0
Apr 199501,72717.73—$0
Mar 199501,38816.44—$0
Feb 199501,64716.58—$0
Jan 199501,75015.92—$0
Dec 199402,06515.03—$0
Nov 199401,52415.90—$0
Oct 1994038215.58—$0
Sep 1994086315.29—$0
Aug 199401,15416.13—$0
Jul 199401,51117.56—$0
Jun 19941831,24417.09—$3,127
May 199402,27915.88—$0
Apr 199402,62814.14—$0
Mar 199402,73512.46—$0
Feb 199402,13312.50—$0
Jan 199401,80512.66—$0
Dec 199302,18612.33—$0
Nov 1993651,08014.49—$942
Oct 199301,51715.85—$0
Sep 199301,74815.03—$0
Aug 199302,64915.66—$0
Jul 199303,54315.46—$0
Jun 199303,01516.79—$0
May 199312,85917.68—$18
Apr 199302,88818.05—$0
Mar 199302,29118.14—$0
Feb 199301,92717.90—$0
Jan 199302,28316.93—$0

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.

Dec 2001 — as filed, then multipliedworked
Condensate           247 bbl  × $ 16.93 =     $4,182
Gas                    1 Mcf  × $  2.36 =         $2

────────────────────────────────────────────────────
Month total                                   $4,184

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/G/138071 is the state's own key, not one this site invented.