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| 0001564590-18-015181-index.html | 2018-06-06 19:11:01 | |
| 0001564590-18-015181.txt | 2018-06-06 19:11:01 | |
| chpe-8k_20180606.htm | 50717 | 2018-06-06 19:11:01 |
| chpe-ex101_15.htm | 192520 | 2018-06-06 19:11:01 |
| chpe-ex991_6.htm | 9730 | 2018-06-06 19:11:01 |
 g201806062304444632087.jpg | 73402 | 2018-06-06 19:11:01 |
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