Metal-to-metal seal for well safety valve

Subsurface safety valve with metal seal

📂 Article 📅 2009 🏛 Elsevier Science 🌐 English ⚖ 124 KB

This connector for flexible hoses has an indicator to show that the fitting is fully engaged. As the cap is

Forming a metal-to-metal seal in a well

📂 Article 📅 2008 🏛 Elsevier Science 🌐 English ⚖ 194 KB

Metal-to-metal seal

📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 114 KB

Metal valve stem seal and sealing system

📂 Article 📅 2006 🏛 Elsevier Science 🌐 English ⚖ 126 KB

Metal-to-metal seal for smooth bore

📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 203 KB

system. Essentially, it is a mechanical face type seal that uses a pair of seal faces in a single, radial plane, with a buffer fluid located in the groove between the faces.

Metal to metal seal for downhole tools

📂 Article 📅 2008 🏛 Elsevier Science 🌐 English ⚖ 260 KB

milling coal products there is the potential for explosions within the mill. To contain this overpressure the proposed design uses one or more piston rings as rotary shaft seals. A peg is located at the butt joint to prevent rotation of the ring.