| Jurisdiction of | |||||
| Name of Subsidiary | Incorporation or Organization | ||||
| Barnwell of Canada, Limited | Delaware | ||||
| Water Resources International, Inc. | Delaware | ||||
| Barnwell Hawaiian Properties, Inc. | Delaware | ||||
| Barnwell Investments LLC | Delaware | ||||
| Barnwell Texas, LLC | Delaware | ||||
| Barnwell Kona Corporation | Hawaii | ||||
| Kaupulehu Developments | Hawaii | ||||
| KD Kona 2013 LLLP | Hawaii | ||||
| BOK Drilling, LLC | Hawaii | ||||
| Octavian Oil, Ltd. | Alberta, Canada | ||||