Ring Energy, Inc. Annual report pursuant to Section 13 and 15(d)

FAIR VALUE MEASUREMENTS (Details)	Dec. 31, 2017 USD ($)
Fair Value, Measurements, Recurring [Member]
Oil and gas derivative contracts	$ (3,968,286)
Total	(3,968,286)
Fair Value, Inputs, Level 1 [Member]
Oil and gas derivative contracts	0
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Measurements, Recurring [Member]
Total	0
Fair Value, Inputs, Level 2 [Member]
Oil and gas derivative contracts	(3,968,286)
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Measurements, Recurring [Member]
Total	(3,968,286)
Fair Value, Inputs, Level 3 [Member]
Oil and gas derivative contracts	0
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Measurements, Recurring [Member]
Total	$ 0