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.

2009    GB Tubulars enters into License Agreement with TMK IPSCO to mill finish ERW casing with GB Drilling with Casing Connections.