CHALK, MARY

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

Operated by CONOCOPHILLIPS COMPANY (P-5 172232) in the HOWARD GLASSCOCK (CLEAR FORK,MI) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 22065District 08Field 42971166Hydrogen sulphide fieldOilCasinghead gasSave Export

Value, all time

$3.5 M

Jan 1993 – Apr 2012

Value, last 12 filed months

$383 k

at the published price for each month

Months reported

232

no gaps in the span

Streams

oil, casinghead gas

The HOWARD GLASSCOCK (CLEAR FORK,MI) 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 49 leases and 134 wells, and the rule below applies to all of them.

Discovered

1970-01-28

as the register files it

Field class

Oil

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 20 acres. The field rule took effect on 2010-09-14.

The register flags this field for hydrogen sulphide. That is a poisonous gas that occurs naturally in some formations. The flag is a property of the field as the Commission records it. It is not a measurement taken at this lease, and it is not a statement that gas is escaping anywhere.

The Commission's schedule remark for this field reads: “11/22/11.”

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.

Stream	Basis	Volume	Value
Oil	Disposition	94,082 bbl	$3,465,460
Casinghead gas	Production	22,138 Mcf	$72,124
Total			$3,537,584

6,416 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 (6)

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 32.1137, -101.2626. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.3 miles.

32.11375, -101.26261 · 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%

6 of 6 wells

With a plug date

33.3%

2 of 6 wells

Median depth

3,875 ft

6 wells filed one

Completion to plug

5.7 years

median over 2 wells

What the state filed about each well

On the RRC proration schedule

6100.0%

A plug date is filed

233.3%

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

233.3%

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 3,735 and 4,267 ft, median 3,875 ft, over the 6 wells that filed a depth.

Completions filed

May 1990 – Sep 2019

6 of 6 wells

Plug dates filed

May 1996

2 of 6 wells; 4 filed none

Last completion to plug: a median of 5.7 years across the 2 wells that filed both dates, with the middle half between 5.4 years and 5.8 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

6 wells


42-22736457	83	4,267 ft	Sep 2019	—	Yes
42-22730329	43	3,850 ft	Jul 2019	—	Yes
42-22730330	44	3,850 ft	Oct 2014	—	Yes
42-22730265	42	4,000 ft	Apr 2010	—	Yes
42-22730351	45	3,735 ft	Feb 1991	May 1996	Yes
42-22734536	78W	3,900 ft	May 1990	May 1996	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 (232)

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

232 months


Apr 2012	0	0	101.65	2.00	$0
Mar 2012	0	0	105.05	2.22	$0
Feb 2012	0	0	101.10	2.57	$0
Jan 2012	0	0	98.09	2.73	$0
Dec 2011	0	0	96.87	3.24	$0
Nov 2011	1,410	213	95.72	3.31	$135,671
Oct 2011	751	127	84.98	3.65	$64,283
Sep 2011	417	96	83.62	3.99	$35,252
Aug 2011	337	43	83.40	4.15	$28,284
Jul 2011	478	74	94.14	4.52	$45,333
Jun 2011	556	81	92.90	4.64	$52,028
May 2011	223	45	98.13	4.40	$22,081
Apr 2011	84	5	105.96	4.33	$8,922
Mar 2011	42	1	96.36	4.06	$4,051
Feb 2011	344	33	85.64	4.18	$29,598
Jan 2011	245	42	86.50	4.59	$21,385
Dec 2010	525	61	85.73	4.35	$45,273
Nov 2010	390	43	80.84	3.80	$31,691
Oct 2010	507	84	78.10	3.51	$39,891
Sep 2010	642	120	72.63	3.98	$47,106
Aug 2010	565	114	73.68	4.42	$42,133
Jul 2010	352	69	72.55	4.74	$25,864
Jun 2010	538	88	70.36	4.91	$38,286
May 2010	452	97	71.12	4.24	$32,557
Apr 2010	334	48	81.69	4.12	$27,482
Mar 2010	271	53	78.39	4.39	$21,476
Feb 2010	153	40	73.58	5.44	$11,475
Jan 2010	199	61	74.36	5.96	$15,161
Dec 2009	358	93	71.44	5.48	$26,086
Nov 2009	351	101	74.59	3.75	$26,560
Oct 2009	413	115	72.54	4.11	$30,432
Sep 2009	411	111	65.54	3.06	$27,277
Aug 2009	380	98	67.42	3.22	$25,935
Jul 2009	375	32	61.13	3.46	$23,035
Jun 2009	367	86	66.16	3.90	$24,616
May 2009	398	75	54.74	3.93	$22,081
Apr 2009	333	96	46.77	3.59	$15,919
Mar 2009	368	100	42.14	4.06	$15,913
Feb 2009	377	93	32.81	4.63	$12,800
Jan 2009	354	68	35.86	5.37	$13,060
Dec 2008	269	27	37.10	5.98	$10,141
Nov 2008	283	34	55.49	6.86	$15,937
Oct 2008	325	35	75.24	6.92	$24,695
Sep 2008	216	4	101.76	7.88	$22,012
Aug 2008	186	0	114.22	8.48	$21,245
Jul 2008	197	0	131.08	11.39	$25,823
Jun 2008	229	2	131.33	13.03	$30,101
May 2008	349	0	123.17	11.57	$42,986
Apr 2008	355	0	110.31	10.45	$39,160
Mar 2008	285	0	101.90	9.66	$29,042
Feb 2008	282	4	92.53	8.77	$26,129
Jan 2008	270	49	90.38	8.21	$24,805
Dec 2007	238	66	88.33	7.30	$21,504
Nov 2007	234	68	91.67	7.29	$21,947
Oct 2007	445	93	82.85	6.92	$37,512
Sep 2007	408	90	75.84	6.24	$31,505
Aug 2007	292	64	69.06	6.39	$20,574
Jul 2007	404	25	70.90	6.39	$28,803
Jun 2007	433	99	62.00	7.55	$27,593
May 2007	446	114	58.74	7.85	$27,093
Apr 2007	466	111	59.61	7.81	$28,645
Mar 2007	482	110	56.92	7.30	$28,239
Feb 2007	390	50	55.10	8.22	$21,900
Jan 2007	424	63	50.30	6.73	$21,751
Dec 2006	474	113	56.65	6.92	$27,634
Nov 2006	549	124	54.20	7.62	$30,700
Oct 2006	489	121	54.90	6.01	$27,574
Sep 2006	219	66	60.08	5.04	$13,490
Aug 2006	113	47	68.71	7.34	$8,109
Jul 2006	490	129	69.37	6.34	$34,810
Jun 2006	505	109	66.28	6.38	$34,167
May 2006	517	111	66.01	6.42	$34,840
Apr 2006	493	108	64.39	7.36	$32,539
Mar 2006	449	111	56.70	7.08	$26,245
Feb 2006	276	94	57.59	7.75	$16,623
Jan 2006	232	94	60.59	8.93	$14,897
Dec 2005	238	97	54.94	13.42	$14,377
Nov 2005	250	100	54.69	10.59	$14,731
Oct 2005	193	72	58.34	13.80	$12,253
Sep 2005	206	57	61.45	12.08	$13,347
Aug 2005	216	0	61.51	9.80	$13,286
Jul 2005	175	79	55.69	7.84	$10,365
Jun 2005	214	81	52.33	7.38	$11,796
May 2005	291	72	45.22	6.65	$13,638
Apr 2005	408	87	49.20	7.36	$20,714
Mar 2005	427	87	50.37	7.15	$22,130
Feb 2005	333	72	45.22	6.31	$15,513
Jan 2005	258	51	43.16	6.32	$11,458
Dec 2004	196	79	39.86	6.75	$8,346
Nov 2004	203	82	45.28	6.33	$9,711
Oct 2004	201	101	49.70	6.52	$10,648
Sep 2004	173	93	43.24	5.28	$7,972
Aug 2004	260	90	42.37	5.55	$11,516
Jul 2004	448	84	38.28	6.08	$17,661
Jun 2004	272	74	36.10	6.43	$10,295
May 2004	379	78	37.48	6.49	$14,712
Apr 2004	369	83	34.47	5.86	$13,206
Mar 2004	437	79	34.36	5.53	$15,452
Feb 2004	432	74	32.45	5.51	$14,426
Jan 2004	539	77	32.03	6.30	$17,749
Dec 2003	374	82	30.26	6.30	$11,834
Nov 2003	368	61	28.80	4.60	$10,879
Oct 2003	382	84	28.17	4.76	$11,161
Sep 2003	334	79	26.31	4.75	$9,163
Aug 2003	372	81	29.76	5.13	$11,486
Jul 2003	414	84	29.41	5.17	$12,610
Jun 2003	393	76	28.56	5.98	$11,679
May 2003	496	110	26.59	5.97	$13,846
Apr 2003	515	74	26.67	5.41	$14,135
Mar 2003	398	71	31.14	6.10	$12,827
Feb 2003	316	57	33.48	7.93	$11,031
Jan 2003	371	68	30.31	5.58	$11,625
Dec 2002	377	78	26.91	4.85	$10,524
Nov 2002	391	89	24.66	4.14	$10,010
Oct 2002	619	87	26.46	4.23	$16,747
Sep 2002	536	134	27.44	3.64	$15,195
Aug 2002	313	152	25.96	3.16	$8,606
Jul 2002	355	110	24.58	3.06	$9,063
Jun 2002	619	162	23.73	3.34	$15,230
May 2002	401	96	24.66	3.58	$10,233
Apr 2002	406	124	23.65	3.51	$10,037
Mar 2002	570	121	22.00	3.10	$12,915
Feb 2002	489	100	18.22	2.38	$9,147
Jan 2002	613	116	17.17	2.38	$10,801
Dec 2001	547	115	16.93	2.36	$9,533
Nov 2001	504	108	18.07	2.41	$9,367
Oct 2001	510	116	19.78	2.53	$10,381
Sep 2001	448	122	24.26	2.25	$11,143
Aug 2001	424	123	24.87	3.05	$10,920
Jul 2001	302	79	23.93	3.20	$7,479
Jun 2001	345	100	24.56	3.82	$8,856
May 2001	504	130	25.52	4.31	$13,422
Apr 2001	493	119	24.68	5.34	$12,802
Mar 2001	498	121	24.54	5.38	$12,871
Feb 2001	312	88	27.75	5.77	$9,166
Jan 2001	459	108	27.47	8.40	$13,516
Dec 2000	459	108	26.88	9.12	$13,323
Nov 2000	478	119	32.21	5.66	$16,070
Oct 2000	493	138	31.23	5.15	$16,106
Sep 2000	383	127	31.87	5.19	$12,865
Aug 2000	350	112	29.64	4.54	$10,883
Jul 2000	418	135	28.53	4.09	$12,478
Jun 2000	381	124	29.30	4.40	$11,709
May 2000	494	145	27.26	3.68	$14,000
Apr 2000	506	142	24.51	3.12	$12,845
Mar 2000	482	129	28.42	2.86	$14,067
Feb 2000	343	117	27.62	2.73	$9,793
Jan 2000	595	145	25.27	2.48	$15,395
Dec 1999	298	99	24.28	2.42	$7,475
Nov 1999	525	210	23.19	2.43	$12,686
Oct 1999	436	175	20.98	2.80	$9,638
Sep 1999	447	174	21.75	2.62	$10,178
Aug 1999	498	185	19.26	2.88	$10,123
Jul 1999	411	143	17.89	2.37	$7,692
Jun 1999	526	190	15.94	2.36	$8,833
May 1999	506	188	15.79	2.32	$8,426
Apr 1999	536	73	15.10	2.21	$8,255
Mar 1999	574	74	12.47	1.84	$7,294
Feb 1999	535	72	9.98	1.82	$5,470
Jan 1999	601	79	10.38	1.90	$6,388
Dec 1998	565	85	9.20	1.77	$5,349
Nov 1998	538	83	10.89	2.19	$6,040
Oct 1998	670	92	12.42	1.97	$8,503
Sep 1998	685	89	12.59	2.08	$8,810
Aug 1998	811	93	11.30	1.91	$9,342
Jul 1998	989	92	11.74	2.24	$11,817
Jun 1998	826	83	11.24	2.24	$9,470
May 1998	917	82	12.62	2.21	$11,753
Apr 1998	295	68	13.04	2.51	$4,017
Mar 1998	319	70	12.80	2.31	$4,245
Feb 1998	293	73	13.95	2.30	$4,255
Jan 1998	314	82	14.70	2.15	$4,792
Dec 1997	306	83	16.32	2.41	$5,194
Nov 1997	287	89	18.19	3.09	$5,495
Oct 1997	284	95	19.25	3.15	$5,766
Sep 1997	366	98	17.74	2.95	$6,782
Aug 1997	294	39	17.86	2.55	$5,350
Jul 1997	279	99	17.58	2.25	$5,127
Jun 1997	322	85	17.24	2.26	$5,743
May 1997	366	81	18.97	2.31	$7,130
Apr 1997	389	87	17.88	2.08	$7,137
Mar 1997	321	89	18.95	1.94	$6,256
Feb 1997	143	81	20.49	2.21	$3,109
Jan 1997	258	86	23.48	3.54	$6,362
Dec 1996	308	79	23.32	—	$7,183
Nov 1996	309	113	21.97	—	$6,789
Oct 1996	319	95	23.31	—	$7,436
Sep 1996	308	101	22.22	—	$6,844
Aug 1996	152	75	20.26	—	$3,080
Jul 1996	206	97	19.55	—	$4,027
Jun 1996	222	94	18.73	—	$4,158
May 1996	240	109	19.43	—	$4,663
Apr 1996	247	102	21.51	—	$5,313
Mar 1996	42	101	19.38	—	$814
Feb 1996	257	94	16.98	—	$4,364
Jan 1996	265	99	17.07	—	$4,524
Dec 1995	271	118	17.19	—	$4,658
Nov 1995	450	211	16.00	—	$7,200
Oct 1995	513	332	15.43	—	$7,916
Sep 1995	393	141	16.18	—	$6,359
Aug 1995	654	166	15.92	—	$10,412
Jul 1995	510	155	15.24	—	$7,772
Jun 1995	396	93	16.41	—	$6,498
May 1995	480	100	17.56	—	$8,429
Apr 1995	186	76	17.73	—	$3,298
Mar 1995	143	49	16.44	—	$2,351
Feb 1995	237	65	16.58	—	$3,929
Jan 1995	616	97	15.92	—	$9,807
Dec 1994	638	110	15.03	—	$9,589
Nov 1994	455	122	15.90	—	$7,235
Oct 1994	552	123	15.58	—	$8,600
Sep 1994	258	53	15.29	—	$3,945
Aug 1994	389	94	16.13	—	$6,275
Jul 1994	439	143	17.56	—	$7,709
Jun 1994	480	123	17.09	—	$8,203
May 1994	430	138	15.88	—	$6,828
Apr 1994	562	138	14.14	—	$7,947
Mar 1994	571	141	12.46	—	$7,115
Feb 1994	563	118	12.50	—	$7,038
Jan 1994	678	138	12.66	—	$8,583
Dec 1993	605	113	12.33	—	$7,460
Nov 1993	591	165	14.49	—	$8,564
Oct 1993	771	203	15.85	—	$12,220
Sep 1993	878	237	15.03	—	$13,196
Aug 1993	824	245	15.66	—	$12,904
Jul 1993	366	182	15.46	—	$5,658
Jun 1993	659	142	16.79	—	$11,065
May 1993	603	131	17.68	—	$10,661
Apr 1993	746	206	18.05	—	$13,465
Mar 1993	773	197	18.14	—	$14,022
Feb 1993	707	196	17.90	—	$12,655
Jan 1993	808	196	16.93	—	$13,679

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.

Nov 2011 — as filed, then multipliedworked

Oil                1,410 bbl  × $ 95.72 =   $134,965
Casinghead gas       213 Mcf  × $  3.31 =       $705

────────────────────────────────────────────────────
Month total                                 $135,671

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. 08/O/22065 is the state's own key, not one this site invented.