Document Format Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 1 | v227417_20f.htm | 20-F | 3464038 | |
| 2 | GRAPHIC | logo.jpg | GRAPHIC | 19576 |
| 3 | GRAPHIC | logo2.jpg | GRAPHIC | 45510 |
| 4 | GRAPHIC | page1.jpg | GRAPHIC | 173366 |
| 5 | GRAPHIC | page2.jpg | GRAPHIC | 60573 |
| 6 | GRAPHIC | page3.jpg | GRAPHIC | 149321 |
| 7 | GRAPHIC | page4.jpg | GRAPHIC | 93728 |
| 8 | GRAPHIC | pg32.jpg | GRAPHIC | 42934 |
| 9 | v227417_ex1-7.htm | EX-1.7 | 516 | |
| 10 | GRAPHIC | v227417_ex1-7x1x1.jpg | GRAPHIC | 169679 |
| 11 | v227417_ex4-14.htm | EX-4.14 | 2482 | |
| 12 | GRAPHIC | v227417_ex4-14x10x1.jpg | GRAPHIC | 116686 |
| 13 | GRAPHIC | v227417_ex4-14x11x1.jpg | GRAPHIC | 138413 |
| 14 | GRAPHIC | v227417_ex4-14x12x1.jpg | GRAPHIC | 62308 |
| 15 | GRAPHIC | v227417_ex4-14x13x1.jpg | GRAPHIC | 59501 |
| 16 | GRAPHIC | v227417_ex4-14x14x1.jpg | GRAPHIC | 90607 |
| 17 | GRAPHIC | v227417_ex4-14x1x1.jpg | GRAPHIC | 97824 |
| 18 | GRAPHIC | v227417_ex4-14x2x1.jpg | GRAPHIC | 112312 |
| 19 | GRAPHIC | v227417_ex4-14x3x1.jpg | GRAPHIC | 83157 |
| 20 | GRAPHIC | v227417_ex4-14x4x1.jpg | GRAPHIC | 119178 |
| 21 | GRAPHIC | v227417_ex4-14x5x1.jpg | GRAPHIC | 105872 |
| 22 | GRAPHIC | v227417_ex4-14x6x1.jpg | GRAPHIC | 100080 |
| 23 | GRAPHIC | v227417_ex4-14x7x1.jpg | GRAPHIC | 113283 |
| 24 | GRAPHIC | v227417_ex4-14x8x1.jpg | GRAPHIC | 125892 |
| 25 | GRAPHIC | v227417_ex4-14x9x1.jpg | GRAPHIC | 105406 |
| 26 | v227417_ex4-15.htm | EX-4.15 | 2634 | |
| 27 | GRAPHIC | v227417_ex4-15x10x1.jpg | GRAPHIC | 98542 |
| 28 | GRAPHIC | v227417_ex4-15x11x1.jpg | GRAPHIC | 114855 |
| 29 | GRAPHIC | v227417_ex4-15x12x1.jpg | GRAPHIC | 51598 |
| 30 | GRAPHIC | v227417_ex4-15x13x1.jpg | GRAPHIC | 54218 |
| 31 | GRAPHIC | v227417_ex4-15x14x1.jpg | GRAPHIC | 74724 |
| 32 | GRAPHIC | v227417_ex4-15x15x1.jpg | GRAPHIC | 90818 |
| 33 | GRAPHIC | v227417_ex4-15x1x1.jpg | GRAPHIC | 81216 |
| 34 | GRAPHIC | v227417_ex4-15x2x1.jpg | GRAPHIC | 101854 |
| 35 | GRAPHIC | v227417_ex4-15x3x1.jpg | GRAPHIC | 81310 |
| 36 | GRAPHIC | v227417_ex4-15x4x1.jpg | GRAPHIC | 84201 |
| 37 | GRAPHIC | v227417_ex4-15x5x1.jpg | GRAPHIC | 99430 |
| 38 | GRAPHIC | v227417_ex4-15x6x1.jpg | GRAPHIC | 76846 |
| 39 | GRAPHIC | v227417_ex4-15x7x1.jpg | GRAPHIC | 94199 |
| 40 | GRAPHIC | v227417_ex4-15x8x1.jpg | GRAPHIC | 105788 |
| 41 | GRAPHIC | v227417_ex4-15x9x1.jpg | GRAPHIC | 102580 |
| 42 | v227417_ex12-1.htm | EX-12.1 | 9844 | |
| 43 | v227417_ex12-2.htm | EX-12.2 | 10135 | |
| 44 | v227417_ex13-1.htm | EX-13.1 | 7475 | |
| 45 | v227417_ex13-2.htm | EX-13.2 | 7460 | |
| 46 | v227417_ex15-1.htm | EX-15.1 | 672 | |
| 47 | GRAPHIC | v227417_ex15-1x1x1.jpg | GRAPHIC | 120094 |
| 48 | GRAPHIC | v227417_ex15-1x2x1.jpg | GRAPHIC | 147328 |
| 49 | v227417_ex15-2.htm | EX-15.2 | 1122 | |
| 50 | GRAPHIC | v227417_ex15-2x1x1.jpg | GRAPHIC | 118379 |
| 51 | GRAPHIC | v227417_ex15-2x2x1.jpg | GRAPHIC | 141917 |
| 52 | GRAPHIC | v227417_ex15-2x3x1.jpg | GRAPHIC | 50170 |
| 53 | GRAPHIC | v227417_ex15-2x4x1.jpg | GRAPHIC | 114940 |
| 54 | GRAPHIC | v227417_ex15-2x5x1.jpg | GRAPHIC | 115413 |
| 55 | v227417_ex15-3.htm | EX-15.3 | 522 | |
| 56 | GRAPHIC | v227417_ex15-3x1x1.jpg | GRAPHIC | 54270 |
| 57 | v227417_ex15-4.htm | EX-15.4 | 673 | |
| 58 | GRAPHIC | v227417_ex15-4x1x1.jpg | GRAPHIC | 62142 |
| 59 | GRAPHIC | v227417_ex15-4x2x1.jpg | GRAPHIC | 38265 |
| 60 | v227417_ex15-5.htm | EX-15.5 | 522 | |
| 61 | GRAPHIC | v227417_ex15-5x1x1.jpg | GRAPHIC | 113147 |
| 62 | v227417_ex15-6.htm | EX-15.6 | 522 | |
| 63 | GRAPHIC | v227417_ex15-6x1x1.jpg | GRAPHIC | 84693 |
| 64 | v227417_ex15-7.htm | EX-15.7 | 527125 | |
| Complete submission text file | 0001144204-11-038481.txt | 10462328 |
IRS No.: 000000000
Type: 20-F | Act: 34 | File No.: 001-33491 | Film No.: 11942252
SIC: 1311 Crude Petroleum & Natural Gas
