| 1969 |
Company formed under Scientific Drilling International
Inc. |
| 1969 |
Introduced first Downhole Steering Tool "EYE" |
| 1975 |
Survey Division formed and company started European
Operations |
| 1977 |
Introduced first Surface Readout Gyro "SRG" |
| 1981 |
Company bought by A.M.F. Corporation |
| 1981 |
Opened offices in the Middle East and Norway |
| 1982 |
Addition of Production Services |
| 1985 |
Introduced "Finder", the first high-speed
North Seeking Gyro |
| 1986 |
Company bought by Applied Navigation Devices Inc. |
| 1986 |
Addition of Electronic Multishot Services |
| 1988 |
Introduced first Gyro While Drilling System |
| 1990 |
Introduced first miniature 1" O.D. Electronic
Multishot |
| 1991 |
Introduced High Accuracy Production Gauge "SDR9000" |
| 1991 |
Introduced new Correction Algorithm for Magnetic
interference |
| 1992 |
Introduced additional services - Temperature and
Gamma Ray |
| 1993 |
Introduced Memory production Logging System |
| 1994 |
Introduced "Keeper" High Accuracy Continuous
Gyro including Vertical gyro Steering |
| 1995 |
Introduced Super Eye Steering with Gamma and capability
to Optimise Parameters for conventional and Coiled tubing Drilling |
| 1996 |
Introduced Magnetic Steering with real time Annular
Pressure and Gamma capability |
| 1997 |
Introduced Memory Keeper Gyro Survey System |
| 1997 |
Completed first successful high temp PLT in North
Sea |
| 1998 |
Introduced E Field MWD |
| 1999 |
Memory Keeper Sytem used in 'drop' mode |
| 1999 |
Introduced Memory Pulse Neutron Tool |
| 2001 |
Introduced the world's first commercial Gyro MWD
Tool |
|
2001
|
Developed world's first Continuous Drop gyro Tool |
|
2003
|
Introduced
Memory PRT - Propogation ResistivityTool |
|
2004
|
introduced
Real Time Propogation Resistivity |