O'CONNER, THOMAS -C-

Name: O'CONNER, THOMAS -C- lease production and value, Jan 1993 onwards
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

Operated by HILCORP ENERGY COMPANY (P-5 386310) in the TOM O'CONNOR (4150) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 6234District 02Field 90534312OilCasinghead gasSave Export

Value, all time

$4.5 M

Jan 1993 – Sep 2004

Value, last 12 filed months

$516 k

at the published price for each month

Months reported

141

no gaps in the span

Streams

oil, casinghead gas

The TOM O'CONNOR (4150) 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 16 leases and 121 wells, and the rule below applies to all of them.

Discovered

1977-06-24

as the register files it

Field class

Oil and gas

the register's own label

Between wells

300 ft

minimum

From a lease line

150 ft

minimum

A drilling unit in this field needs at least 10 acres. The field rule took effect on 2005-05-10.

The Commission's schedule remark for this field reads: “AND FIELD CLASSIFIED AS SALVAGE.”

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	185,911 bbl	$3,784,993
Casinghead gas	Production	392,698 Mcf	$699,806
Total			$4,484,799

181,431 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 (10)

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 28.3675, -97.1579. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.9 miles.

28.36731, -97.15685 · 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%

10 of 10 wells

With a plug date

20.0%

2 of 10 wells

Median depth

4,500 ft

10 wells filed one

Completion to plug

22.8 years

median over 2 wells

What the state filed about each well

On the RRC proration schedule

10100.0%

A plug date is filed

220.0%

BothOn the schedule and plugged. Neither fact cancels the other.

220.0%

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

Total depth in feet, 10 of 10 wells. Median 4,500 ft, with the middle half between 4,500 and 4,515 ft; the shallowest is 4,500 ft and the deepest 5,950 ft. The median is published rather than the mean, because a single mis-keyed depth moves a mean and cannot move a median.

When they were last completed

Last completion by decade, 10 of 10 wells, Apr 1984 – Jan 2005. This is the LAST completion filed on each wellbore, not the first — a well recompleted in 2019 counts once, in the 2010s.

Completions filed

Apr 1984 – Jan 2005

10 of 10 wells

Plug dates filed

Apr 2015 – Feb 2019

2 of 10 wells; 8 filed none

Last completion to plug: a median of 22.8 years across the 2 wells that filed both dates, with the middle half between 19.3 years and 26.2 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

10 wells


42-39101182	2 G	5,950 ft	Jan 2005	—	Yes
42-39130050	71	4,500 ft	May 2003	Feb 2019	Yes
42-39101177	62	4,515 ft	Nov 2002	—	Yes
42-39101156	60	4,515 ft	Dec 1996	—	Yes
42-39130055	69	4,500 ft	Dec 1995	—	Yes
42-39130051	70	4,500 ft	Oct 1985	—	Yes
42-39130071	75	4,500 ft	Aug 1985	Apr 2015	Yes
42-39130065	74	4,500 ft	Aug 1985	—	Yes
42-39130064	73	4,500 ft	May 1984	—	Yes
42-39101157	67	4,515 ft	Apr 1984	—	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 (141)

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

141 months


Sep 2004	0	0	43.24	5.28	$0
Aug 2004	0	0	42.37	5.55	$0
Jul 2004	0	0	38.28	6.08	$0
Jun 2004	0	0	36.10	6.43	$0
May 2004	1,204	958	37.48	6.49	$51,348
Apr 2004	1,235	709	34.47	5.86	$46,724
Mar 2004	1,652	1,444	34.36	5.53	$64,748
Feb 2004	1,652	973	32.45	5.51	$58,968
Jan 2004	1,785	1,947	32.03	6.30	$69,439
Dec 2003	2,837	1,771	30.26	6.30	$97,008
Nov 2003	1,953	1,722	28.80	4.60	$64,159
Oct 2003	1,942	1,812	28.17	4.76	$63,331
Sep 2003	1,319	1,793	26.31	4.75	$43,218
Aug 2003	1,336	2,298	29.76	5.13	$51,547
Jul 2003	1,076	2,505	29.41	5.17	$44,598
Jun 2003	1,127	2,069	28.56	5.98	$44,566
May 2003	1,279	653	26.59	5.97	$37,909
Apr 2003	1,292	923	26.67	5.41	$39,449
Mar 2003	1,640	1,432	31.14	6.10	$59,799
Feb 2003	1,459	668	33.48	7.93	$54,142
Jan 2003	1,486	818	30.31	5.58	$49,607
Dec 2002	1,418	4,304	26.91	4.85	$59,049
Nov 2002	839	1,949	24.66	4.14	$28,753
Oct 2002	1,070	3,793	26.46	4.23	$44,353
Sep 2002	829	392	27.44	3.64	$24,173
Aug 2002	1,024	1,366	25.96	3.16	$30,905
Jul 2002	1,039	2,564	24.58	3.06	$33,389
Jun 2002	989	2,081	23.73	3.34	$30,416
May 2002	1,290	1,892	24.66	3.58	$38,592
Apr 2002	1,095	2,522	23.65	3.51	$34,755
Mar 2002	1,040	202	22.00	3.10	$23,507
Feb 2002	1,031	2,464	18.22	2.38	$24,639
Jan 2002	1,002	3,526	17.17	2.38	$25,581
Dec 2001	992	9,023	16.93	2.36	$38,129
Nov 2001	978	4,604	18.07	2.41	$28,747
Oct 2001	1,006	5,749	19.78	2.53	$34,437
Sep 2001	1,419	1,694	24.26	2.25	$38,239
Aug 2001	954	3,389	24.87	3.05	$34,073
Jul 2001	1,322	1,439	23.93	3.20	$36,236
Jun 2001	1,056	3,242	24.56	3.82	$38,333
May 2001	1,155	1,696	25.52	4.31	$36,781
Apr 2001	1,112	967	24.68	5.34	$32,603
Mar 2001	1,124	1,667	24.54	5.38	$36,545
Feb 2001	1,013	1,300	27.75	5.77	$35,608
Jan 2001	853	1,334	27.47	8.40	$34,636
Dec 2000	1,145	4,431	26.88	9.12	$71,199
Nov 2000	1,035	224	32.21	5.66	$34,605
Oct 2000	938	2,331	31.23	5.15	$41,288
Sep 2000	966	170	31.87	5.19	$31,668
Aug 2000	893	149	29.64	4.54	$27,145
Jul 2000	843	1,558	28.53	4.09	$30,423
Jun 2000	886	2,763	29.30	4.40	$38,109
May 2000	917	4,022	27.26	3.68	$39,797
Apr 2000	913	5,598	24.51	3.12	$39,821
Mar 2000	810	1,577	28.42	2.86	$27,530
Feb 2000	966	1,379	27.62	2.73	$30,441
Jan 2000	1,208	4,794	25.27	2.48	$42,418
Dec 1999	1,186	2,956	24.28	2.42	$35,961
Nov 1999	1,034	162	23.19	2.43	$24,373
Oct 1999	1,126	675	20.98	2.80	$25,516
Sep 1999	1,239	1,309	21.75	2.62	$30,376
Aug 1999	1,144	4,284	19.26	2.88	$34,353
Jul 1999	1,244	3,998	17.89	2.37	$31,740
Jun 1999	1,200	3,240	15.94	2.36	$26,781
May 1999	1,272	1,655	15.79	2.32	$23,926
Apr 1999	1,235	6,345	15.10	2.21	$32,659
Mar 1999	1,248	2,142	12.47	1.84	$19,500
Feb 1999	1,208	1,563	9.98	1.82	$14,897
Jan 1999	1,367	1,939	10.38	1.90	$17,873
Dec 1998	1,508	605	9.20	1.77	$14,946
Nov 1998	1,433	103	10.89	2.19	$15,831
Oct 1998	1,393	1,024	12.42	1.97	$19,318
Sep 1998	1,382	1,498	12.59	2.08	$20,519
Aug 1998	1,501	3,836	11.30	1.91	$24,278
Jul 1998	1,613	2,723	11.74	2.24	$25,029
Jun 1998	1,551	2,512	11.24	2.24	$23,053
May 1998	1,618	2,515	12.62	2.21	$25,968
Apr 1998	1,578	1,063	13.04	2.51	$23,240
Mar 1998	1,755	993	12.80	2.31	$24,757
Feb 1998	1,666	131	13.95	2.30	$23,542
Jan 1998	1,797	2,061	14.70	2.15	$30,857
Dec 1997	1,922	3,366	16.32	2.41	$39,483
Nov 1997	1,780	2,855	18.19	3.09	$41,195
Oct 1997	1,832	2,434	19.25	3.15	$42,933
Sep 1997	1,784	4,526	17.74	2.95	$45,022
Aug 1997	1,775	4,797	17.86	2.55	$43,957
Jul 1997	1,723	7,182	17.58	2.25	$46,428
Jun 1997	1,645	2,769	17.24	2.26	$34,610
May 1997	1,919	4,034	18.97	2.31	$45,716
Apr 1997	1,769	4,640	17.88	2.08	$41,294
Mar 1997	1,670	4,731	18.95	1.94	$40,821
Feb 1997	1,427	2,659	20.49	2.21	$35,105
Jan 1997	1,647	1,292	23.48	3.54	$43,245
Dec 1996	1,565	2,995	23.32	—	$36,496
Nov 1996	1,523	2,430	21.97	—	$33,460
Oct 1996	1,641	3,140	23.31	—	$38,252
Sep 1996	1,618	3,400	22.22	—	$35,952
Aug 1996	1,668	5,277	20.26	—	$33,794
Jul 1996	1,583	4,438	19.55	—	$30,948
Jun 1996	2,044	5,013	18.73	—	$38,284
May 1996	2,002	2,212	19.43	—	$38,899
Apr 1996	1,974	2,640	21.51	—	$42,461
Mar 1996	2,193	3,826	19.38	—	$42,500
Feb 1996	1,990	3,199	16.98	—	$33,790
Jan 1996	1,364	8,390	17.07	—	$23,283
Dec 1995	1,829	2,802	17.19	—	$31,441
Nov 1995	1,544	3,058	16.00	—	$24,704
Oct 1995	1,736	3,169	15.43	—	$26,786
Sep 1995	1,791	4,881	16.18	—	$28,978
Aug 1995	2,697	5,211	15.92	—	$42,936
Jul 1995	2,663	4,871	15.24	—	$40,584
Jun 1995	914	4,718	16.41	—	$14,999
May 1995	2,076	2,882	17.56	—	$36,455
Apr 1995	2,026	4,821	17.73	—	$35,921
Mar 1995	2,345	5,613	16.44	—	$38,552
Feb 1995	1,206	3,959	16.58	—	$19,995
Jan 1995	1,062	3,510	15.92	—	$16,907
Dec 1994	1,270	3,589	15.03	—	$19,088
Nov 1994	1,120	2,927	15.90	—	$17,808
Oct 1994	1,194	3,698	15.58	—	$18,603
Sep 1994	917	4,241	15.29	—	$14,021
Aug 1994	1,183	4,001	16.13	—	$19,082
Jul 1994	1,126	5,048	17.56	—	$19,773
Jun 1994	1,177	6,680	17.09	—	$20,115
May 1994	1,200	6,515	15.88	—	$19,056
Apr 1994	1,118	3,257	14.14	—	$15,809
Mar 1994	1,107	3,587	12.46	—	$13,793
Feb 1994	1,010	2,704	12.50	—	$12,625
Jan 1994	1,188	3,464	12.66	—	$15,040
Dec 1993	1,070	3,166	12.33	—	$13,193
Nov 1993	980	3,152	14.49	—	$14,200
Oct 1993	1,009	2,872	15.85	—	$15,993
Sep 1993	1,011	3,094	15.03	—	$15,195
Aug 1993	979	2,462	15.66	—	$15,331
Jul 1993	979	2,503	15.46	—	$15,135
Jun 1993	983	2,689	16.79	—	$16,505
May 1993	984	3,057	17.68	—	$17,397
Apr 1993	1,007	2,999	18.05	—	$18,176
Mar 1993	983	3,788	18.14	—	$17,832
Feb 1993	541	1,853	17.90	—	$9,684
Jan 1993	1,086	3,630	16.93	—	$18,386

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 2004 — as filed, then multipliedworked

Oil                1,204 bbl  × $ 37.48 =    $45,126
Casinghead gas       958 Mcf  × $  6.49 =     $6,222

────────────────────────────────────────────────────
Month total                                  $51,348

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. 02/O/6234 is the state's own key, not one this site invented.