مهندس بترول - TOTCO RING A Totco ring is not really a sub, but it is included here for convenience. It is a small insert that is placed inside the drill string
Rusty Cast Iron Steampunk Machine Age Burner Grate Totco Ring Baffle Plate | eBay
Crows Foot / Spider / Totco Rings -
Corrosion Control | NOV
Totco 240 Pad Type Weight Indicator | Heavy Construction Equipment | Online Auctions | Proxibid
مهندس بترول - TOTCO RING A Totco ring is not really a sub, but it is included here for convenience. It is a small insert that is placed inside the drill string
Cast Iron Totco #4 Ring Baffle Plate Steampunk Machine Age Burner Grate 3.25" W | eBay
Totco 6 Reg Ring Baffle Plate | eBay
Survey Totco | PDF
Setter Frac Plugs | NOV
Totco Surveying Tool In Oil & Gas Wells - Drilling Manual
علي|ثقافة نفطية on Twitter: "TOTCO survey اداة قديمة وما زالت تستخدم للتعرف على زاوية ميلان الحفرة،فكرتها تحوي على إبره وتحتها ورقة تبين الزاوية ،يتم ضبط الجهاز على السطح (تحديد الوقت وعدد الوخزات)