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

OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8

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
ANTERO RES CORP COM 03674X106 11,945 182,000 SH   DFND 1 182,000 0 0
APACHE CORP COM 037411105 70,434 700,000 SH Put DFND 1 700,000 0 0
ATHLON ENERGY INC COM 047477104 10,799 226,400 SH   DFND 1 226,400 0 0
BARRETT BILL CORP COM 06846N104 10,662 398,115 SH   DFND 1 398,115 0 0
BASIC ENERGY SVCS INC NEW COM 06985P100 9,555 327,000 SH   DFND 1 327,000 0 0
CANADIAN NATL RY CO COM 136375102 4,044 62,200 SH   DFND 1 62,200 0 0
CARBO CERAMICS INC COM 140781105 30,978 201,000 SH   DFND 1 201,000 0 0
CIMAREX ENERGY CO COM 171798101 27,155 189,289 SH   DFND 1 189,289 0 0
COMSTOCK RES INC COM NEW 205768203 8,167 283,176 SH   DFND 1 283,176 0 0
DEVON ENERGY CORP NEW COM 25179M103 13,244 166,800 SH   DFND 1 166,800 0 0
FMC TECHNOLOGIES INC COM 30249U101 12,994 212,768 SH   DFND 1 212,768 0 0
MAGNUM HUNTER RES CORP DEL COM 55973B102 1,709 208,368 SH   DFND 1 208,368 0 0
MARATHON OIL CORP COM 565849106 24,581 615,752 SH   DFND 1 615,752 0 0
MEMORIAL RESOURCE DEV CORP COM 58605Q109 12,497 513,000 SH   DFND 1 513,000 0 0
PARSLEY ENERGY INC CL A 701877102 18,773 779,950 SH   DFND 1 779,950 0 0
PATTERSON UTI ENERGY INC COM 703481101 11,810 338,000 SH   DFND 1 338,000 0 0
RPC INC COM 749660106 20,460 871,000 SH   DFND 1 871,000 0 0
SOUTHWESTERN ENERGY CO COM 845467109 17,987 395,400 SH   DFND 1 395,400 0 0
TESORO CORP COM 881609101 4,025 68,600 SH   DFND 1 68,600 0 0
WPX ENERGY INC COM 98212B103 26,593 1,112,223 SH   DFND 1 1,112,223 0 0