Inventor · disambiguated record
Wanchai Ratanasirigulchai
Also filed as: RATANASIRIGULCHAI WANCHAI
2 granted patents·2 pending applications·128 citations·filing 2002–2006
70Inventor score
Technology areasE21B
Files withSCHLUMBERGER TECHNOLOGY CORP4
Top patents by PatentIndex Score
4 records- 0185US7000699B2Method and apparatus for orienting perforating devices and confirming their orientationSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted Feb 21, 2006·79 cites·30 claims
- 0281US7284612B2Controlling transient pressure conditions in a wellboreSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted Oct 23, 2007·49 cites·12 claims
- 0341US2007034369A1Controlling transient pressure conditions in a wellboreSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Application pending·0 cites
- 0433US2005247450A1Flame and Heat Resistant Oilfield ToolsSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →