Share capital (Tables)

12 Months Ended

Dec. 31, 2017

Disclosure Of Share capital [Abstract]

Disclosure of issued share capital [text block]

 

Issued share capital	2017		2016
Common stock (amounts in US$ ‘000)		61		60
The share capital is distributed as follows:
Common shares, of nominal US$ 0.001		60,596,219		59,940,881
Total common shares in issue		60,596,219		59,940,881
Authorised share capital
US$ per share		0.001		0.001
Number of common shares (US$ 0.001 each)		5,171,949,000		5,171,949,000
Amount in US$		5,171,949		5,171,949

Disclosure of detailed information about common shares [text block]

		Shares		Shares
		issued		closing		US$(000)
GeoPark common shares history	Date	(millions)		(millions)		Closing
Shares outstanding at the end of 2015					59.5		59
Stock awards	Feb 2016		0.4		59.9		60
Stock awards	Dec 2016		0.5		60.4		60
Stock awards	Dec 2016		0.1		60.5		60
Buyback program	Dec 2016		(0.6)		59.9		60
Shares outstanding at the end of 2016					59.9		60
Stock awards	Jan 2017		0.1		60.0		60
Stock awards	Dec 2017		0.1		60.1		60
Stock awards	Dec 2017		0.5		60.6		61
Shares outstanding at the end of 2017					60.6		61