HALFMAN

Operated by CARBURANTE EXPLORATION CO, LTD. (P-5 130787) in the HALFMAN (STRAWN) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 5720District 7CField 38170500NGPA filingOilCasinghead gasSaveExport
Value, all time
$1.0 M
Jan 1993 – May 2026
Value, last 12 filed months
$0
at the published price for each month
Months reported
401
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 leases and 11 wells, and the rule below applies to all of them.

Discovered
1969-09-26
as the register files it
Field class
Oil
the register's own label
Between wells
no field rule filed
From a lease line
no field rule filed

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
NGPA1none

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
OilDisposition19,090 bbl$849,262
Casinghead gasProduction50,764 Mcf$193,384
Total$1,042,646

4,805 Mcf of this lease's gas, across 28 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 31.3056, -100.2553. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.3 miles.

31.30560, -100.25526 · 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
50.0%
1 of 2 wells
With a plug date
50.0%
1 of 2 wells
Median depth
4,689 ft
2 wells filed one
Completion to plug
14.1 years
median over 1 well

What the state filed about each well

On the RRC proration schedule
150.0%
A plug date is filed
150.0%
BothOn the schedule and plugged. Neither fact cancels the other.
150.0%
NeitherNo plug date, and not on the schedule.
150.0%

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 4,677 and 4,700 ft, median 4,689 ft, over the 2 wells that filed a depth.

Completions filed
Sep 1969 – Jun 1981
2 of 2 wells
Plug dates filed
Jul 1995
1 of 2 wells; 1 filed none

Last completion to plug: a median of 14.1 years across the 1 well that filed both dates, with the middle half between 14.1 years and 14.1 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

2 wells

42-4510087724,700 ftJun 1981Jul 1995Yes
42-4510051814,677 ftSep 1969

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 (401)

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

401 months

May 202600106.413.05$0
Apr 20260098.932.87$0
Mar 20260089.753.15$0
Feb 20260063.503.75$0
Jan 20260059.138.00$0
Dec 20250056.664.41$0
Nov 20250058.593.93$0
Oct 20250059.383.30$0
Sep 20250062.743.08$0
Aug 20250063.933.01$0
Jul 20250066.743.32$0
Jun 20250066.483.13$0
May 20250060.553.23$0
Apr 20250062.363.54$0
Mar 20250067.704.27$0
Feb 20250070.884.34$0
Jan 20250074.324.28$0
Dec 20240068.993.12$0
Nov 20240069.052.20$0
Oct 20240071.372.28$0
Sep 20240069.612.36$0
Aug 20240075.632.06$0
Jul 20240079.932.15$0
Jun 20240078.082.63$0
May 20240078.812.20$0
Apr 20240084.451.66$0
Mar 20240080.301.55$0
Feb 20240076.091.78$0
Jan 202450073.023.30$3,651
Dec 20230071.262.61$0
Nov 202354077.892.81$4,206
Oct 20230085.443.09$0
Sep 202357089.042.74$5,075
Aug 202355080.522.67$4,429
Jul 20230074.852.64$0
Jun 202355068.962.26$3,793
May 20230070.622.23$0
Apr 202341078.122.24$3,203
Mar 20230072.852.39$0
Feb 202342075.112.47$3,155
Jan 202341076.533.39$3,138
Dec 20220076.415.73$0
Nov 202242085.005.65$3,570
Oct 20220087.185.86$0
Sep 202243084.888.16$3,650
Aug 202243094.529.13$4,064
Jul 202200101.587.54$0
Jun 2022440115.097.98$5,064
May 2022420109.378.43$4,594
Apr 202200104.226.84$0
Mar 2022450108.885.08$4,900
Feb 202258091.054.86$5,281
Jan 202244081.844.54$3,601
Dec 20210071.323.90$0
Nov 202144077.435.24$3,407
Oct 202143079.795.71$3,431
Sep 202142069.865.35$2,934
Aug 20210066.024.22$0
Jul 202140070.783.98$2,831
Jun 202141069.493.38$2,849
May 202142063.483.02$2,666
Apr 202156060.362.76$3,380
Mar 202143061.302.72$2,636
Feb 202121057.805.55$1,214
Jan 202129050.412.81$1,462
Dec 202043044.642.68$1,920
Nov 202052038.772.71$2,016
Oct 202059036.972.48$2,181
Sep 202064037.091.99$2,374
Aug 202010039.982.39$400
Jul 202087038.371.83$3,338
Jun 202087034.901.69$3,036
May 20200016.921.81$0
Apr 20200014.751.80$0
Mar 20209030.341.86$273
Feb 202049049.881.98$2,444
Jan 202072857.252.09$459
Dec 2019364259.012.30$2,221
Nov 2019506155.302.75$2,933
Oct 2019447453.472.42$2,532
Sep 201946655.052.66$396
Aug 2019457253.112.30$2,556
Jul 20195019956.272.46$3,303
Jun 20195017452.782.49$3,072
May 20195019558.482.74$3,458
Apr 2019617562.632.75$857
Mar 20197111756.803.06$4,391
Feb 2019876950.852.79$4,617
Jan 20191317046.033.23$1,147
Dec 20185617246.594.19$3,329
Nov 2018015152.934.24$640
Oct 20184515561.443.40$3,292
Sep 20188618059.543.11$5,680
Aug 2018318759.403.07$752
Jul 20184917265.142.93$3,696
Jun 2018417860.183.08$788
May 20184918365.382.90$3,734
Apr 20188516163.842.90$5,893
Mar 2018017461.222.79$485
Feb 20184516261.782.77$3,228
Jan 20186214662.874.01$4,483
Dec 2017015857.272.92$462
Nov 20174914955.423.12$3,180
Oct 20174816749.292.98$2,864
Sep 20175812147.523.09$3,130
Aug 201744745.373.00$2,017
Jul 201702143.873.09$65
Jun 2017445742.493.09$2,046
May 20174516845.373.26$2,590
Apr 20174319147.933.21$2,674
Mar 20174320446.772.98$2,620
Feb 2017219050.452.95$662
Jan 20174420449.413.42$2,871
Dec 20165119448.763.72$3,209
Nov 2016519042.492.64$715
Oct 20164420546.193.09$2,666
Sep 20164619441.553.10$2,513
Aug 20165220741.442.92$2,760
Jul 2016022941.622.92$670
Jun 20165222245.352.69$2,954
May 20164623142.521.99$2,416
Apr 20165321536.561.99$2,366
Mar 20165223533.011.79$2,138
Feb 20165021726.472.06$1,771
Jan 20166021727.352.36$2,154
Dec 20155222232.362.00$2,127
Nov 20151421638.792.17$1,011
Oct 20155017843.552.43$2,609
Sep 20154918742.992.76$2,622
Aug 2015469140.162.87$2,109
Jul 2015457148.152.95$2,376
Jun 2015518756.152.88$3,114
May 2015629855.212.96$3,713
Apr 2015548949.822.71$2,931
Mar 2015458942.892.93$2,191
Feb 2015313244.662.98$527
Jan 20159714943.433.10$4,675
Dec 2014415154.693.59$761
Nov 20144914870.464.25$4,082
Oct 20144614078.303.90$4,148
Sep 20145118086.164.05$5,122
Aug 20144814789.394.04$4,884
Jul 20144616496.564.18$5,127
Jun 20144815898.164.74$5,460
May 20144515794.734.73$5,005
Apr 20144615195.944.81$5,139
Mar 2014010495.895.06$526
Feb 20144614397.406.19$5,366
Jan 20149214890.404.86$9,036
Dec 2013017091.824.35$740
Nov 20134618888.853.74$4,790
Oct 20134623597.423.78$5,369
Sep 2013159104.113.72$323
Aug 201340227104.253.52$4,970
Jul 201347157102.523.72$5,402
Jun 20134619994.403.93$5,125
May 20134612194.834.15$4,864
Apr 20134519393.964.28$5,055
Mar 20134613593.623.91$4,835
Feb 20137919291.233.42$7,864
Jan 2013018591.603.42$633
Dec 20124716986.773.42$4,656
Nov 20124420986.953.62$4,583
Oct 20124519789.383.40$4,692
Sep 20124518294.672.92$4,791
Aug 20124519492.662.91$4,734
Jul 20124419685.133.02$4,338
Jun 20124513879.822.52$3,940
May 20124617491.612.49$4,647
Apr 20121121101.652.00$343
Mar 201292169105.052.22$10,040
Feb 201244157101.102.57$4,852
Jan 20124713798.092.73$4,985
Dec 20114315596.873.24$4,668
Nov 20114612795.723.31$4,824
Oct 20114716384.983.65$4,589
Sep 20114614883.623.99$4,436
Aug 20119218183.404.15$8,424
Jul 2011018994.144.52$854
Jun 20114617692.904.64$5,090
May 20114418698.134.40$5,137
Apr 201142124105.964.33$4,988
Mar 20114517596.364.06$5,046
Feb 20114610485.644.18$4,374
Jan 20114415086.504.59$4,494
Dec 20104415185.734.35$4,429
Nov 20104716480.843.80$4,422
Oct 20104717178.103.51$4,271
Sep 20104413472.633.98$3,729
Aug 20104417173.684.42$3,998
Jul 20104516772.554.74$4,056
Jun 20104614370.364.91$3,939
May 20104616371.124.24$3,962
Apr 20104615481.694.12$4,393
Mar 2010908678.394.39$7,433
Feb 2010475373.585.44$3,747
Jan 201002274.365.96$131
Dec 20094714471.445.48$4,147
Nov 20094215974.593.75$3,729
Oct 20094414872.544.11$3,800
Sep 20094517765.543.06$3,492
Aug 20094416467.423.22$3,494
Jul 2009443861.133.46$2,821
Jun 20094417266.163.90$3,581
May 20094517154.743.93$3,135
Apr 20094115346.773.59$2,466
Mar 20094715542.144.06$2,610
Feb 2009113632.814.63$663
Jan 20099413635.865.37$4,101
Dec 20084915337.105.98$2,732
Nov 2008112955.496.86$940
Oct 200880675.246.92$6,061
Sep 20084670101.767.88$5,232
Aug 200800114.228.48$0
Jul 20084656131.0811.39$6,667
Jun 200845172131.3313.03$8,151
May 200846181123.1711.57$7,761
Apr 200891110110.3110.45$11,188
Mar 20084718101.909.66$4,963
Feb 20084813392.538.77$5,608
Jan 20084613690.388.21$5,273
Dec 20074514588.337.30$5,034
Nov 2007314191.677.29$1,303
Oct 20074417582.856.92$4,857
Sep 20079217175.846.24$8,045
Aug 2007018569.066.39$1,182
Jul 20079013070.906.39$7,211
Jun 20070362.007.55$23
May 2007877458.747.85$5,691
Apr 2007017759.617.81$1,382
Mar 20079117656.927.30$6,465
Feb 20074315755.108.22$3,659
Jan 20074716650.306.73$3,481
Dec 20064617556.656.92$3,817
Nov 20064616654.207.62$3,758
Oct 20064418154.906.01$3,504
Sep 20064516160.085.04$3,515
Aug 2006016968.717.34$1,240
Jul 20064517269.376.34$4,213
Jun 20064523366.286.38$4,470
May 2006446066.016.42$3,290
Apr 20064916264.397.36$4,348
Mar 20064716656.707.08$3,841
Feb 20064516357.597.75$3,855
Jan 20068716260.598.93$6,719
Dec 20054711354.9413.42$4,098
Nov 20054611454.6910.59$3,723
Oct 20054717658.3413.80$5,170
Sep 20054415061.4512.08$4,516
Aug 20054717061.519.80$4,556
Jul 20054510055.697.84$3,290
Jun 2005485952.337.38$2,947
May 2005452145.226.65$2,175
Apr 20054620049.207.36$3,735
Mar 20058816550.377.15$5,613
Feb 20054618545.226.31$3,248
Jan 20054818243.166.32$3,222
Dec 20044818339.866.75$3,149
Nov 20044817445.286.33$3,275
Oct 20044920849.706.52$3,790
Sep 20049218543.245.28$4,956
Aug 20044920942.375.55$3,236
Jul 20044920738.286.08$3,135
Jun 20044817236.106.43$2,839
May 20049317337.486.49$4,609
Apr 20044617134.475.86$2,587
Mar 20044916834.365.53$2,613
Feb 20044915432.455.51$2,439
Jan 20049718232.036.30$4,253
Dec 20035015330.266.30$2,477
Nov 20034516528.804.60$2,054
Oct 20034716628.174.76$2,114
Sep 20038619426.314.75$3,184
Aug 20034620229.765.13$2,405
Jul 20038920229.415.17$3,662
Jun 20034220128.565.98$2,402
May 20034422226.595.97$2,496
Apr 20034020726.675.41$2,186
Mar 20038516331.146.10$3,641
Feb 2003458833.487.93$2,204
Jan 20034214330.315.58$2,071
Dec 20028920026.914.85$3,366
Nov 20024520324.664.14$1,950
Oct 20024522226.464.23$2,130
Sep 20024323427.443.64$2,031
Aug 20024131725.963.16$2,067
Jul 20024339924.583.06$2,279
Jun 20024217023.733.34$1,564
May 20024519924.663.58$1,823
Apr 20024116623.653.51$1,553
Mar 20024419422.003.10$1,570
Feb 20024516818.222.38$1,219
Jan 20024517017.172.38$1,177
Dec 20014418916.932.36$1,192
Nov 20014418918.072.41$1,250
Oct 20014514919.782.53$1,267
Sep 20014417524.262.25$1,461
Aug 20014318924.873.05$1,646
Jul 20014515723.933.20$1,579
Jun 20014216024.563.82$1,643
May 20018917725.524.31$3,034
Apr 20014516424.685.34$1,986
Mar 20019021224.545.38$3,348
Feb 20014222127.755.77$2,440
Jan 20014420927.478.40$2,964
Dec 20004519026.889.12$2,943
Nov 20004616432.215.66$2,410
Oct 20004328731.235.15$2,820
Sep 20008221831.875.19$3,744
Aug 20004417329.644.54$2,090
Jul 20004319828.534.09$2,037
Jun 20004620329.304.40$2,240
May 20004333427.263.68$2,401
Apr 20008726224.513.12$2,949
Mar 20004419128.422.86$1,797
Feb 20004419827.622.73$1,755
Jan 20004328425.272.48$1,791
Dec 19999122724.282.42$2,760
Nov 19999027223.192.43$2,749
Oct 199913427020.982.80$3,568
Sep 19994418821.752.62$1,449
Aug 199912520319.262.88$2,991
Jul 199913019917.892.37$2,798
Jun 19998817915.942.36$1,826
May 199913017215.792.32$2,452
Apr 19998919315.102.21$1,770
Mar 19998819612.471.84$1,458
Feb 19991301759.981.82$1,616
Jan 199912917010.381.90$1,662
Dec 1998891569.201.77$1,095
Nov 19989014810.892.19$1,304
Oct 199813318812.421.97$2,022
Sep 19989019112.592.08$1,531
Aug 199817219411.301.91$2,314
Jul 19988421411.742.24$1,465
Jun 19983818811.242.24$848
May 19988618812.622.21$1,500
Apr 199812720513.042.51$2,170
Mar 199812721212.802.31$2,115
Feb 199812426513.952.30$2,339
Jan 199812127214.702.15$2,365
Dec 199716519316.322.41$3,158
Nov 19974119818.193.09$1,357
Oct 199713221319.253.15$3,212
Sep 19974422017.742.95$1,431
Aug 19978716717.862.55$1,980
Jul 199713022817.582.25$2,798
Jun 19975121617.242.26$1,367
May 19979920618.972.31$2,354
Apr 199710721917.882.08$2,369
Mar 19977721518.951.94$1,876
Feb 199711016720.492.21$2,622
Jan 199710418623.483.54$3,100
Dec 199611123423.32$2,589
Nov 199615622621.97$3,427
Oct 199611623223.31$2,704
Sep 199611421322.22$2,533
Aug 19968024820.26$1,621
Jul 199611723619.55$2,287
Jun 199610022518.73$1,873
May 19967424419.43$1,438
Apr 19967811321.51$1,678
Mar 19969314819.38$1,802
Feb 199610615716.98$1,800
Jan 199613622617.07$2,322
Dec 199510018717.19$1,719
Nov 199510022816.00$1,600
Oct 199513424715.43$2,068
Sep 19950016.18$0
Aug 19950015.92$0
Jul 19950015.24$0
Jun 19950016.41$0
May 19950017.56$0
Apr 19950017.73$0
Mar 19950016.44$0
Feb 19950016.58$0
Jan 19950015.92$0
Dec 19940015.03$0
Nov 19940015.90$0
Oct 19940015.58$0
Sep 19940015.29$0
Aug 19942016.13$32
Jul 19940017.56$0
Jun 19940017.09$0
May 19940015.88$0
Apr 19940014.14$0
Mar 19940012.46$0
Feb 19940012.50$0
Jan 199416511612.66$2,089
Dec 1993013712.33$0
Nov 199312113414.49$1,753
Oct 1993016515.85$0
Sep 199314818415.03$2,224
Aug 1993016815.66$0
Jul 199314410215.46$2,226
Jun 1993010116.79$0
May 19931566817.68$2,758
Apr 1993012418.05$0
Mar 199316916518.14$3,066
Feb 1993012017.90$0
Jan 19932285716.93$3,860

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.

Jan 2024 — as filed, then multipliedworked
Oil                   50 bbl  × $ 73.02 =     $3,651
Casinghead gas         0 Mcf  × $  3.30 =         $0

────────────────────────────────────────────────────
Month total                                   $3,651

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/5720 is the state's own key, not one this site invented.