Oil and gas extraction service activities provided on a fee or contract basis
service activities performed by operators of oil or gas fields, see 0610, 0620. specialized repair of mining machinery, see 33120. liquefaction and regasification of natural gas for purpose of transport, done off the mine site, see 19201. geophysical, geologic and seismic surveying, see 71103
exploration services in connection with petroleum or gas extraction (e.g. traditional prospecting methods, such as making geological observations at prospective sites)
Aktiviti pengekstrakan petroleum dan gas yang dibekalkan atas dasar kontrak atau yuran