1985 Drilco Slide Chart Drilling Choke & Methane Gas Flow Rates Oil Gas Promo For Sale

When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

1985 Drilco Slide Chart Drilling Choke & Methane Gas Flow Rates Oil Gas Promo:
$15.00

Old 1985 Drilco Smith International slide chart by Perrygraf

Choke and methane gas volumetric flow rates

3.5” diameter

1985 Drilco Slide Chart Drilling Choke & Methane Gas Flow Rates Oil Gas Promo

$15.00