Helicopter guidelines for land seismic & helirig operations - OGP
Helicopter guidelines for land seismic & helirig operations - OGP
Helicopter guidelines for land seismic & helirig operations - OGP
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<strong>Helicopter</strong> <strong>guidelines</strong> <strong>for</strong> <strong>land</strong> <strong>seismic</strong><br />
& <strong>helirig</strong> <strong>operations</strong><br />
Report No: 420<br />
Version 1.1<br />
June 2013<br />
Revision history<br />
Version Date Amendments<br />
1.1 June 2013 Annex B revised<br />
1.0 June 2009 First release