Manual of Petroleum Measurement Standards; Chapter 14-Natural Gas Fluids Measurement; Section 3-Concentric, Square-Edged Orif ice Meters; Part 3-Natural Gas Applications. Download<object id="__sse13250123" width="477" height="510"> <embed name="__sse13250123" src="http://static.slidesharecdn.com/swf/doc_player.swf?doc=apimpms14-3-3-120608095721-phpapp02&stripped_title=download-13250123&userName=ctvb90" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" wmode="transparent" width="477" height="510"></object>View more documents from Phieu Du. <script src="http://b.scorecardresearch.com/beacon.js?c1=7&c2=7400849&c3=1&c4=&c5=&c6="></script>