The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

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COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
Anadarko Petroleum Common 032511107 39,394 537,808 SH   SOLE NA 387,338 0 150,470
Cabot Oil - Gas Common 127097103 20,403 857,260 SH   SOLE NA 590,520 0 266,740
Cimarex Energy Common 171798101 25,826 253,840 SH   SOLE NA 173,570 0 80,270
Devon Energy Corp Common 25179M103 34,061 774,819 SH   SOLE NA 539,499 0 235,320
Diamondback Energy Inc Common 25278X109 22,148 168,340 SH   SOLE NA 117,880 0 50,460
EQT Corporation Com Common 26884L109 23,262 421,567 SH   SOLE NA 287,277 0 134,290
Energen Corp Common 29265N108 13,911 191,027 SH   SOLE NA 133,647 0 57,380
Forum Energy Technologies Common 34984V100 8,301 672,146 SH   SOLE NA 406,644 0 265,502
Halliburton Co Common 406216101 20,592 457,000 SH   SOLE NA 279,250 0 177,750
Hess Corporation Common 42809H107 18,973 283,646 SH   SOLE NA 206,016 0 77,630
Kinder Morgan Inc Com Common 49456B101 18,256 1,033,160 SH   SOLE NA 714,880 0 318,280
Marathon Oil Corp Common 565849106 15,310 733,940 SH   SOLE NA 550,920 0 183,020
Nabors Industries Ltd Common G6359F103 12,187 1,901,230 SH   SOLE NA 1,154,500 0 746,730
Newfield Exploration Co Common 651290108 23,566 779,052 SH   SOLE NA 540,252 0 238,800
Noble Energy Inc Common 655044105 31,337 888,241 SH   SOLE NA 628,411 0 259,830
Occidental Petroleum Corp Common 674599105 21,965 262,483 SH   SOLE NA 176,323 0 86,160
Parsley Energy Inc Common 701877102 25,522 842,880 SH   SOLE NA 579,410 0 263,470
Patterson-UTI Energy Inc Com Common 703481101 12,032 668,420 SH   SOLE NA 403,400 0 265,020
Pioneer Natural Resources Co Common 723787107 19,428 102,662 SH   SOLE NA 68,722 0 33,940
Plains GP Holdings LP Cl A Common 72651A207 16,390 685,480 SH   SOLE NA 465,860 0 219,620
ProPetro Holding Corp Common 74347M108 10,620 677,280 SH   SOLE NA 410,090 0 267,190
Range Resources Corp Common 75281A109 15,906 950,740 SH   SOLE NA 656,430 0 294,310
Royal Dutch Shell Plc Class A Common 780259206 23,688 342,164 SH   SOLE NA 306,554 0 35,610
Schlumberger LTD Common 806857108 13,386 199,695 SH   SOLE NA 120,795 0 78,900
Suncor Energy Inc New Common 867224107 6,846 168,300 SH   SOLE NA 0 0 168,300
Superior Energy Services Inc Common 868157108 17,273 1,773,440 SH   SOLE NA 1,080,710 0 692,730
TechnipFMC Common G87110105 11,545 363,750 SH   SOLE NA 220,620 0 143,130
Transocean Inc Switzerland Common H8817H100 11,534 858,220 SH   SOLE NA 582,300 0 275,920
WPX Energy Inc Common 98212B103 28,383 1,574,200 SH   SOLE NA 1,095,530 0 478,670
Weatherford International Plc Ord Common G48833100 11,272 3,426,113 SH   SOLE NA 2,146,023 0 1,280,090
Williams Companies Common 969457100 3,373 124,410 SH   SOLE NA 124,410 0 0