ROCKER-B "30"

Name: ROCKER-B "30" lease production and value, Jan 1993 onwards
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

Operated by JM COX RESOURCES, L.P. (P-5 433075) 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 10746District 7CField 85279200NGPA filingOilCasinghead gasSave Export

Value, all time

$696 k

Jan 1993 – May 2008

Value, last 12 filed months

$44 k

at the published price for each month

Months reported

185

no gaps in the span

Streams

oil, casinghead gas

The SPRABERRY (TREND AREA) 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 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.

Programme	Filings	With an approval date	Dated	Docket
NGPA	2	none	—	—

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.

Stream	Basis	Volume	Value
Oil	Disposition	13,274 bbl	$325,285
Casinghead gas	Production	169,703 Mcf	$370,677
Total			$695,961

81,512 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 (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 31.4314, -101.4824. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.3 miles.

31.43144, -101.48243 · centre of the wells drawn, derived⌘ or Ctrl + scroll to zoom

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

7,456 ft

2 wells filed one

Completion to plug

19.8 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 7,371 and 7,540 ft, median 7,456 ft, over the 2 wells that filed a depth.

Completions filed

May 1984 – Aug 1984

2 of 2 wells

Plug dates filed

Mar 2000 – May 2008

2 of 2 wells

Last completion to plug: a median of 19.8 years across the 2 wells that filed both dates, with the middle half between 17.8 years and 21.8 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

2 wells


42-38332981	1	7,540 ft	Aug 1984	May 2008	Yes
42-38332992	2	7,371 ft	May 1984	Mar 2000	Yes

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 (185)

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

185 months


May 2008	0	0	123.17	11.57	$0
Apr 2008	0	0	110.31	10.45	$0
Mar 2008	131	0	101.90	9.66	$13,349
Feb 2008	0	0	92.53	8.77	$0
Jan 2008	0	1	90.38	8.21	$8
Dec 2007	0	262	88.33	7.30	$1,913
Nov 2007	0	382	91.67	7.29	$2,785
Oct 2007	0	411	82.85	6.92	$2,845
Sep 2007	0	397	75.84	6.24	$2,479
Aug 2007	179	385	69.06	6.39	$14,821
Jul 2007	0	413	70.90	6.39	$2,638
Jun 2007	0	439	62.00	7.55	$3,314
May 2007	0	429	58.74	7.85	$3,366
Apr 2007	0	442	59.61	7.81	$3,450
Mar 2007	1	346	56.92	7.30	$2,583
Feb 2007	174	379	55.10	8.22	$12,701
Jan 2007	0	438	50.30	6.73	$2,946
Dec 2006	0	457	56.65	6.92	$3,162
Nov 2006	0	482	54.20	7.62	$3,672
Oct 2006	103	510	54.90	6.01	$8,722
Sep 2006	0	502	60.08	5.04	$2,529
Aug 2006	102	518	68.71	7.34	$10,811
Jul 2006	0	535	69.37	6.34	$3,393
Jun 2006	0	516	66.28	6.38	$3,294
May 2006	178	532	66.01	6.42	$15,168
Apr 2006	0	510	64.39	7.36	$3,754
Mar 2006	0	493	56.70	7.08	$3,492
Feb 2006	0	446	57.59	7.75	$3,457
Jan 2006	179	518	60.59	8.93	$15,473
Dec 2005	0	369	54.94	13.42	$4,950
Nov 2005	0	512	54.69	10.59	$5,421
Oct 2005	0	521	58.34	13.80	$7,188
Sep 2005	174	522	61.45	12.08	$16,998
Aug 2005	0	520	61.51	9.80	$5,094
Jul 2005	0	534	55.69	7.84	$4,189
Jun 2005	0	505	52.33	7.38	$3,727
May 2005	181	534	45.22	6.65	$11,737
Apr 2005	0	520	49.20	7.36	$3,827
Mar 2005	0	533	50.37	7.15	$3,814
Feb 2005	0	478	45.22	6.31	$3,017
Jan 2005	181	515	43.16	6.32	$11,068
Dec 2004	0	481	39.86	6.75	$3,247
Nov 2004	0	500	45.28	6.33	$3,165
Oct 2004	183	532	49.70	6.52	$12,561
Sep 2004	0	528	43.24	5.28	$2,790
Aug 2004	0	401	42.37	5.55	$2,226
Jul 2004	0	546	38.28	6.08	$3,322
Jun 2004	177	530	36.10	6.43	$9,799
May 2004	0	417	37.48	6.49	$2,708
Apr 2004	0	526	34.47	5.86	$3,082
Mar 2004	0	535	34.36	5.53	$2,959
Feb 2004	183	508	32.45	5.51	$8,737
Jan 2004	0	545	32.03	6.30	$3,433
Dec 2003	0	557	30.26	6.30	$3,510
Nov 2003	0	535	28.80	4.60	$2,458
Oct 2003	150	577	28.17	4.76	$6,972
Sep 2003	0	553	26.31	4.75	$2,626
Aug 2003	0	560	29.76	5.13	$2,873
Jul 2003	186	557	29.41	5.17	$8,350
Jun 2003	0	422	28.56	5.98	$2,525
May 2003	0	422	26.59	5.97	$2,520
Apr 2003	0	530	26.67	5.41	$2,866
Mar 2003	182	550	31.14	6.10	$9,020
Feb 2003	0	480	33.48	7.93	$3,804
Jan 2003	0	448	30.31	5.58	$2,501
Dec 2002	0	526	26.91	4.85	$2,553
Nov 2002	185	519	24.66	4.14	$6,709
Oct 2002	0	547	26.46	4.23	$2,313
Sep 2002	0	552	27.44	3.64	$2,007
Aug 2002	0	582	25.96	3.16	$1,842
Jul 2002	175	580	24.58	3.06	$6,077
Jun 2002	0	546	23.73	3.34	$1,823
May 2002	0	578	24.66	3.58	$2,072
Apr 2002	180	556	23.65	3.51	$6,210
Mar 2002	0	559	22.00	3.10	$1,734
Feb 2002	0	506	18.22	2.38	$1,202
Jan 2002	171	558	17.17	2.38	$4,262
Dec 2001	0	557	16.93	2.36	$1,317
Nov 2001	0	511	18.07	2.41	$1,229
Oct 2001	0	559	19.78	2.53	$1,414
Sep 2001	177	568	24.26	2.25	$5,573
Aug 2001	0	550	24.87	3.05	$1,679
Jul 2001	0	608	23.93	3.20	$1,944
Jun 2001	0	547	24.56	3.82	$2,092
May 2001	174	543	25.52	4.31	$6,779
Apr 2001	0	426	24.68	5.34	$2,273
Mar 2001	0	575	24.54	5.38	$3,091
Feb 2001	0	523	27.75	5.77	$3,016
Jan 2001	174	551	27.47	8.40	$9,408
Dec 2000	0	540	26.88	9.12	$4,926
Nov 2000	172	515	32.21	5.66	$8,454
Oct 2000	0	568	31.23	5.15	$2,923
Sep 2000	0	543	31.87	5.19	$2,816
Aug 2000	0	569	29.64	4.54	$2,584
Jul 2000	176	567	28.53	4.09	$7,340
Jun 2000	0	538	29.30	4.40	$2,366
May 2000	0	585	27.26	3.68	$2,153
Apr 2000	0	525	24.51	3.12	$1,636
Mar 2000	0	534	28.42	2.86	$1,527
Feb 2000	182	504	27.62	2.73	$6,401
Jan 2000	0	541	25.27	2.48	$1,342
Dec 1999	0	521	24.28	2.42	$1,263
Nov 1999	187	442	23.19	2.43	$5,412
Oct 1999	0	547	20.98	2.80	$1,534
Sep 1999	0	515	21.75	2.62	$1,349
Aug 1999	0	509	19.26	2.88	$1,464
Jul 1999	178	556	17.89	2.37	$4,503
Jun 1999	0	598	15.94	2.36	$1,413
May 1999	1	608	15.79	2.32	$1,427
Apr 1999	179	695	15.10	2.21	$4,237
Mar 1999	0	1,308	12.47	1.84	$2,405
Feb 1999	180	1,274	9.98	1.82	$4,112
Jan 1999	184	1,305	10.38	1.90	$4,389
Dec 1998	0	1,047	9.20	1.77	$1,857
Nov 1998	0	1,101	10.89	2.19	$2,406
Oct 1998	178	1,140	12.42	1.97	$4,456
Sep 1998	0	1,079	12.59	2.08	$2,247
Aug 1998	184	1,372	11.30	1.91	$4,696
Jul 1998	0	1,455	11.74	2.24	$3,255
Jun 1998	178	1,406	11.24	2.24	$5,146
May 1998	1	1,420	12.62	2.21	$3,146
Apr 1998	181	1,314	13.04	2.51	$5,652
Mar 1998	187	1,202	12.80	2.31	$5,170
Feb 1998	0	1,054	13.95	2.30	$2,423
Jan 1998	185	1,392	14.70	2.15	$5,719
Dec 1997	121	1,207	16.32	2.41	$4,885
Nov 1997	158	1,089	18.19	3.09	$6,237
Oct 1997	0	1,166	19.25	3.15	$3,673
Sep 1997	179	1,151	17.74	2.95	$6,577
Aug 1997	0	1,391	17.86	2.55	$3,554
Jul 1997	174	1,438	17.58	2.25	$6,290
Jun 1997	180	1,408	17.24	2.26	$6,281
May 1997	0	1,373	18.97	2.31	$3,170
Apr 1997	181	1,382	17.88	2.08	$6,115
Mar 1997	184	1,390	18.95	1.94	$6,182
Feb 1997	0	1,279	20.49	2.21	$2,821
Jan 1997	186	1,355	23.48	3.54	$9,164
Dec 1996	0	1,409	23.32	—	$0
Nov 1996	187	1,344	21.97	—	$4,108
Oct 1996	181	1,366	23.31	—	$4,219
Sep 1996	0	1,428	22.22	—	$0
Aug 1996	177	1,884	20.26	—	$3,586
Jul 1996	0	1,865	19.55	—	$0
Jun 1996	180	1,797	18.73	—	$3,371
May 1996	0	1,590	19.43	—	$0
Apr 1996	180	1,374	21.51	—	$3,872
Mar 1996	155	1,389	19.38	—	$3,004
Feb 1996	0	1,586	16.98	—	$0
Jan 1996	146	1,553	17.07	—	$2,492
Dec 1995	183	1,566	17.19	—	$3,146
Nov 1995	0	1,494	16.00	—	$0
Oct 1995	185	1,713	15.43	—	$2,855
Sep 1995	188	1,789	16.18	—	$3,042
Aug 1995	0	1,640	15.92	—	$0
Jul 1995	0	1,614	15.24	—	$0
Jun 1995	104	1,688	16.41	—	$1,707
May 1995	191	1,803	17.56	—	$3,354
Apr 1995	187	1,763	17.73	—	$3,316
Mar 1995	0	1,772	16.44	—	$0
Feb 1995	182	1,577	16.58	—	$3,018
Jan 1995	181	1,781	15.92	—	$2,882
Dec 1994	0	1,774	15.03	—	$0
Nov 1994	185	1,608	15.90	—	$2,942
Oct 1994	185	1,631	15.58	—	$2,882
Sep 1994	0	1,590	15.29	—	$0
Aug 1994	178	1,286	16.13	—	$2,871
Jul 1994	0	1,817	17.56	—	$0
Jun 1994	141	1,762	17.09	—	$2,410
May 1994	180	1,884	15.88	—	$2,858
Apr 1994	0	1,893	14.14	—	$0
Mar 1994	179	1,807	12.46	—	$2,230
Feb 1994	183	1,602	12.50	—	$2,288
Jan 1994	0	1,361	12.66	—	$0
Dec 1993	188	1,815	12.33	—	$2,318
Nov 1993	181	1,710	14.49	—	$2,623
Oct 1993	182	1,877	15.85	—	$2,885
Sep 1993	180	2,041	15.03	—	$2,705
Aug 1993	0	2,017	15.66	—	$0
Jul 1993	182	1,899	15.46	—	$2,814
Jun 1993	183	1,755	16.79	—	$3,073
May 1993	0	1,921	17.68	—	$0
Apr 1993	187	1,990	18.05	—	$3,375
Mar 1993	189	1,947	18.14	—	$3,428
Feb 1993	188	1,807	17.90	—	$3,365
Jan 1993	0	1,933	16.93	—	$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.

Mar 2008 — as filed, then multipliedworked

Oil                  131 bbl  × $101.90 =    $13,349
Casinghead gas         0 Mcf  × $  9.66 =         $0

────────────────────────────────────────────────────
Month total                                  $13,349

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/10746 is the state's own key, not one this site invented.