OPERATORS · RRC 518499

M & K Oper LLC

WindowAll time 90 days 1 year 3 years 10 years

CountyShackelford 78 Throckmorton 10 Callahan 6

94 PERMITS · PAGE 1 OF 2 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Sep 23, 2022	884081	Drill	Shackelford	Matthews -C- #107	2,000	—	41739758	—
Sep 23, 2022	884080	Drill	Shackelford	Matthews -C- #106	2,000	Plugged dry hole (P&A)	41739757	—
Sep 9, 2022	882671	Drill	Shackelford	Nail Ranch Block 1 #1803	1,999	Spudded	41739753	Acquired from Clavo Oil, LLC
May 24, 2022	880307	Drill	Shackelford	Matthews -C- #105	2,000	Final completion	41739744	Now JTC Royalties LLC
Mar 23, 2021	868403	Drill	Shackelford	Nail '151' #1	5,300	Final completion	41739724	Now Clavo Oil LLC
Sep 9, 2020	864985	Drill	Shackelford	Nail Ranch 150 #1	5,000	Unperforated completion	41739717	Now Clavo Oil LLC
Aug 14, 2020	864644	Drill	Shackelford	Nail Ranch 106 #1S	1,900	Plugged dry hole (P&A)	41739714	—
Dec 20, 2019	860208	Drill	Shackelford	Nail Ranch 106 #1	5,600	Spudded	41739703	Now Tom-Tom Operating LLC
Dec 20, 2019	860208	Drill	Shackelford	Nail Ranch 106 #1	5,600	Final completion	41739703	Now Tom-Tom Operating LLC
Nov 3, 2015	811656	Reenter	Shackelford	Elliott, Glenn #1	960	Final completion	41707829	Acquired from Bright Hawk Operating Company
Jul 22, 2014	789668	Drill	Shackelford	Ackers Ranch 26 Tannehill Sd.u. #18	2,000	—	41739501	—
Jun 6, 2013	763966	Drill	Shackelford	Nail Ranch Block 1 #1802	2,000	Final completion	41739406	Acquired from Clavo Oil, LLC
Dec 10, 2012	752281	Drill	Shackelford	Nail Ranch Block 2 #3701	2,000	Final completion	41739345	Acquired from Clavo Oil, LLC
Mar 5, 2012	734439	Drill	Shackelford	Nail Ranch Block 4 #9401	2,000	Final completion	41739262	Acquired from Clavo Oil, LLC
Oct 20, 2011	726348	Drill	Shackelford	Dawson & Conway #81	2,000	—	41739228	—
Oct 20, 2011	726322	Drill	Shackelford	Dawson & Conway #80	2,000	—	41739227	—
Jul 23, 2009	683076	Drill	Callahan	Snyder Lease #1	2,000	Final completion	05936810	Acquired from Ryholland Fielder, Inc
Jun 26, 2008	664135	Drill	Shackelford	Nail "560" Bullsnake #3	999	Final completion	41738864	Acquired from Clavo Oil, LLC
Apr 23, 2008	659072	Drill	Callahan	Shirley #8	1,999	Final completion	05936757	Acquired from Telesis Operating Co., Inc.
May 11, 2007	638320	Drill	Callahan	Shirley #6	650	Final completion	05936728	Acquired from Telesis Operating Co., Inc.
May 11, 2007	638318	Drill	Callahan	Shirley #5	650	Final completion	05936726	Acquired from Telesis Operating Co., Inc.
May 11, 2007	638316	Drill	Callahan	Shirley #4	650	Final completion	05936725	Acquired from Telesis Operating Co., Inc.
May 11, 2007	638313	Drill	Callahan	Shirley #2	650	Final completion	05936724	Acquired from Telesis Operating Co., Inc.
Apr 18, 2006	617700	Drill	Shackelford	Nail 560 #2	1,000	Final completion	41738584	Acquired from Boo-Row Pipe & Supply, Inc.
Feb 21, 2006	614552	Drill	Throckmorton	Stone Ranch F-4 #1	1,999	Final completion	44736190	Acquired from Cottonwood Petroleum Co.
Jan 6, 2006	611945	Drill	Shackelford	Nail "560" #1	2,000	Final completion	41738563	Acquired from Boo-Row Pipe & Supply, Inc.
Dec 7, 2004	554513	Drill	Shackelford	Nail Ranch "7-A" #2	2,000	Final completion	41738485	Acquired from Boo-Row Pipe & Supply, Inc.
May 29, 2003	532507	Drill	Shackelford	Nail Ranch #5551	2,000	Unperforated completion	41738398	Acquired from Integras Operating, LLC
Sep 18, 2002	523717	Drill	Shackelford	Nail Ranch #4551	2,000	Unperforated completion	41738364	Acquired from Integras Operating, LLC
Jun 7, 2001	509989	Drill	Shackelford	Nail Ranch #2551	2,000	Final completion	41738327	Acquired from Integras Operating, LLC
Oct 20, 2000	501001	Drill	Shackelford	Nail Ranch #1551	2,000	Final completion	41738295	Acquired from Integras Operating, LLC
Jul 3, 2000	496557	Reenter	Shackelford	Nail Ranch #2021	2,000	Final completion	41730263	Acquired from Integras Operating, LLC
Feb 15, 2000	491899	Reenter	Shackelford	Nail Ranch #3021	2,000	Final completion	41730355	Acquired from Integras Operating, LLC
Nov 5, 1996	454776	Drill	Shackelford	Nail #120	5,100	—	41738085	Acquired from Graystone Exploration Corp.
Nov 5, 1996	454776	Drill	Shackelford	Nail "20" #120	4,977	Final completion	41738085	Acquired from Graystone Exploration Corp.
Sep 20, 1996	452930	Drill	Shackelford	Nail #120A	5,100	—	41738078	Acquired from Graystone Exploration Corp.
Sep 20, 1996	452930	Drill	Shackelford	Nail #120A	4,965	Final completion	41738078	Acquired from Graystone Exploration Corp.
Sep 6, 1996	452331	Drill	Shackelford	Nail #142	5,100	—	41738075	Acquired from Graystone Exploration Corp.
Sep 6, 1996	452331	Drill	Shackelford	Nail #142	5,096	Final completion	41738075	Acquired from Graystone Exploration Corp.
Sep 20, 1993	416097	Drill	Shackelford	Nail "99" #1S	1,999	Final completion	41737740	Acquired from Breck Operating Corp.
Jan 13, 1992	395831	Drill	Shackelford	Elliot #B 10 A	1,500	Final completion	41737569	Acquired from Geonatural Resources, Inc.
Jan 13, 1992	394522	Drill	Shackelford	Elliott #B 7 A	1,500	Final completion	41737564	Acquired from Geonatural Resources, Inc.
Jan 13, 1992	394521	Drill	Shackelford	Elliott #B 8 A	1,500	Final completion	41737563	Acquired from Geonatural Resources, Inc.
Dec 4, 1991	394522	Drill	Shackelford	Elliott #B 7A	1,500	—	41737564	Acquired from Geonatural Resources, Inc.
Dec 4, 1991	394521	Drill	Shackelford	Elliott #B 8A	1,500	—	41737563	Acquired from Geonatural Resources, Inc.
Apr 8, 1991	386396	Drill	Shackelford	Elliot Lease #B 2A	1,000	Final completion	41737498	Acquired from Geonatural Resources, Inc.
Jan 22, 1991	383548	Drill	Shackelford	Elliott Lease #B 1A	4,500	Final completion	41737470	Acquired from Geonatural Resources, Inc.
Aug 16, 1988	350221	Recompletion	Shackelford	Nail B-8 #6	835	Final completion	41736047	Acquired from RH Resources Group, Inc.
May 4, 1987	329668	Drill	Shackelford	Nail B-7 #3	1,200	Final completion	41737043	Acquired from J. & M. Exploration, Inc.
Apr 13, 1987	328813	Drill	Shackelford	Nail B-7 #2	1,200	Final completion	41737038	Acquired from J. & M. Exploration, Inc.