GB Tubulars Time Line

1980    GB Tubulars Incorporates and introduces Weld-On GB Connector for 20" OD Casing.

1989    George Geary awarded US patent for Weld-On GB Connector.

1991    George Geary awarded US patent for GB Twin-Cantilever Coupling.

1994    GB Tubulars custom designs two, 100% joint efficient, special clearance coupled connections on heavy wall 7 5/8" and 10" OD Casing for Shell's Popeye Project.

1994    GB Tubulars designs Drilling Riser Connection on 11 ¾" OD, 65.00 ppf, P-110 Casing for Shell Ram Powell Project.

1995    GB Tubulars designs Drilling Riser Connection on 10 ¾" OD, 51.00 ppf, P-110 Casing for Shell Ram Powell Project.

1996    GB Tubulars designs specialty connection for vacuum insulated tubing using 5 1/2" OD, 23.00 ppf 13Cr80 called Tahoe TCC. Shell Tahoe Project.

1997    GB Tubulars designs Drilling Riser Connection on 13 5/8" OD, 88.20 ppf, P-110 Casing for Shell URSA Project. Connection designed for temporary riser service. After riser is retrieved, connections are turned down to special clearance OD and pipe is re-used as downhole casing string on next well. First connection that truly mulit-tasks.

1997    GB Tubulars designs specialty Connection for 14 ¼" OD, 136.00 ppf, P-110 Casing called TCC Butt IS, FMT SC Modified.

2003    Eugene Mannella awarded US Patent for a Threaded Coupling with a Water Exclusion Seal.

2003    GB Tubulars named Hydril Distributor.

2004    Eugene Mannella awarded US Patent for a Threaded Pipe Connection Having A Retainer Gasket With Pressure Relief Vents.

2005    GB Tubulars sell GB Connection Technology to Hydril.

2008    Eugene Mannella and George Geary awarded US Patent for Coupling For Drilling-With-Casing Operations.

2009    GB Tubulars severs ties with Tenaris/Hydril; Purchase Sale Agreement ends, GB Connections available through GB Tubulars once again.

2010    GB Tubulars reaches a milestone of over 2,000,000 installed feet of 5-1/2" casing for Rotating and Drilling with Casing Applications.