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COURSON GRIFFIN 67

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

Oil lease lease 9611District 10Field 01685500OilCasinghead gasSaveExport
Value, all time
$5.2 M
Mar 2018 – May 2026
Value, last 12 filed months
$227 k
at the published price for each month
Months reported
99
no gaps in the span
Streams
2
oil, casinghead gas

The ALLEN-PARKER (MARMATON) 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 292 leases and 342 wells, and the rule below applies to all of them.

Discovered
1967-05-20
as the register files it
Field class
Oil and gas
the register's own label
Between wells
660 ft
minimum
From a lease line
330 ft
minimum

A drilling unit in this field needs at least 160 acres. The field rule took effect on 2018-06-19.

The Commission's schedule remark for this field reads: “AOF-1 AND AOF-2 EFFECTIVE 08/01/2018.”

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
OilDisposition66,983 bbl$4,182,796
Casinghead gasProduction289,714 Mcf$982,118
Total$5,164,914

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 36.2169, -100.8526. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

36.21685, -100.85264 · 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
0.0%
0 of 1 wells
With a plug date
0.0%
0 of 1 wells
Median depth
7,259 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
00.0%
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.
1100.0%

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 7,259 ft.

Completions filed
Mar 2018
1 of 1 wells

1 well

42-35733659M002MD7,259 ftMar 2018——

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 (99)

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

99 months

May 20261741,317106.413.05$22,527
Apr 20261831,29698.932.87$21,823
Mar 20261861,30289.753.15$20,794
Feb 20261901,17563.503.75$16,472
Jan 20261751,19059.138.00$19,865
Dec 20251871,33356.664.41$16,478
Nov 20251901,25158.593.93$16,044
Oct 20251841,38259.383.30$15,493
Sep 20251921,35762.743.08$16,221
Aug 20251801,34863.933.01$15,571
Jul 20251811,47366.743.32$16,963
Jun 20253641,46066.483.13$28,767
May 20251791,48560.553.23$15,638
Apr 20251781,41962.363.54$16,128
Mar 20253761,52967.704.27$31,981
Feb 202501,35070.884.34$5,860
Jan 20251801,47874.324.28$19,701
Dec 20241801,52768.993.12$17,185
Nov 20243751,54669.052.20$29,293
Oct 20241791,45371.372.28$16,090
Sep 20241621,42269.612.36$14,639
Aug 20243601,63775.632.06$30,605
Jul 20241521,64079.932.15$15,670
Jun 20241861,56178.082.63$18,635
May 20243561,63278.812.20$31,644
Apr 20241871,62084.451.66$18,480
Mar 20245471,72080.301.55$46,582
Feb 20241801,63776.091.78$16,616
Jan 20243611,72573.023.30$32,049
Dec 2023093671.262.61$2,444
Nov 20233601,48777.892.81$32,215
Oct 20233711,64285.443.09$36,768
Sep 20231601,48689.042.74$18,311
Aug 20233751,65080.522.67$34,605
Jul 20231631,55574.852.64$16,309
Jun 20231861,66468.962.26$16,585
May 20233421,67970.622.23$27,892
Apr 20231871,59478.122.24$18,175
Mar 20233701,53372.852.39$30,623
Feb 20231901,27375.112.47$17,410
Jan 20231701,43376.533.39$17,865
Dec 20225711,57776.415.73$52,665
Nov 20221531,56085.005.65$21,813
Oct 20223771,70187.185.86$42,841
Sep 20221902,74584.888.16$38,537
Aug 20223692,93894.529.13$61,693
Jul 20223612,980101.587.54$59,146
Jun 20221862,840115.097.98$44,062
May 20223482,948109.378.43$62,921
Apr 20225232,966104.226.84$74,787
Mar 20223712,889108.885.08$55,060
Feb 20223662,23291.054.86$44,169
Jan 20223782,36281.844.54$41,654
Dec 20213792,50871.323.90$36,809
Nov 20213722,69377.435.24$42,907
Oct 20215643,17379.795.71$63,132
Sep 20215303,05869.865.35$53,389
Aug 20215582,74966.024.22$48,442
Jul 20213722,93470.783.98$38,014
Jun 20213732,46369.493.38$34,246
May 20213362,35463.483.02$28,433
Apr 20215582,23560.362.76$39,846
Mar 20215302,09661.302.72$38,184
Feb 20213741,67757.805.55$30,921
Jan 20213722,39850.412.81$25,492
Dec 20209362,45044.642.68$48,338
Nov 20205592,93638.772.71$29,619
Oct 20203593,28536.972.48$21,414
Sep 20207123,17337.091.99$32,726
Aug 20205373,40039.982.39$29,579
Jul 20207233,03038.371.83$33,272
Jun 20207112,69134.901.69$29,363
May 202003,02816.921.81$5,495
Apr 20205442,62214.751.80$12,755
Mar 20205503,10630.341.86$22,452
Feb 20208942,50049.881.98$49,544
Jan 20205513,21057.252.09$38,269
Dec 20197393,36359.012.30$51,358
Nov 20195603,36255.302.75$40,216
Oct 20197333,81253.472.42$48,413
Sep 20197283,72455.052.66$49,972
Aug 20197244,15053.112.30$48,015
Jul 20191,0874,59656.272.46$72,472
Jun 20197264,62252.782.49$49,833
May 20199224,76458.482.74$66,973
Apr 20199145,08962.632.75$71,242
Mar 20191,1014,44056.803.06$76,133
Feb 20191,3054,47150.852.79$78,843
Jan 20198985,21946.033.23$58,183
Dec 20181,4445,82046.594.19$91,635
Nov 20181,4495,57952.934.24$100,335
Oct 20181,4286,37561.443.40$109,399
Sep 20181,7647,48659.543.11$128,295
Aug 20182,4769,08059.403.07$174,919
Jul 20182,9839,34665.142.93$221,714
Jun 20183,67812,34360.183.08$259,320
May 20186,02312,62265.382.90$430,398
Apr 20188,44812,94063.842.90$576,857
Mar 201886880761.222.79$55,388

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.

May 2026 — as filed, then multipliedworked
Oil                  174 bbl  × $106.41 =    $18,515
Casinghead gas     1,317 Mcf  × $  3.05 =     $4,011

────────────────────────────────────────────────────
Month total                                  $22,527

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/9611 is the state's own key, not one this site invented.