Drilling fluids containing an additive composition
申请人:EXXON RESEARCH AND ENGINEERING COMPANY
公开号:EP0068601A1
公开(公告)日:1983-01-05
Aqueous drilling fluids containing a minor amount of an additive composition featuring mono- and diesters of C,2-Cso aliphatic hydrocarbon substituted succinic acids or anhydrides, such as octadecenyl succinic anhydride with thio-bis-alkanofs such as dithiodiethanol. Such fluids are especially useful where reduced torque drilling fluids are needed. Another embodiment of this invention relates to a method of drilling utilizing the above-described fluids.
Power transmission shift fluids containing two-component friction modifier additive
申请人:EXXON RESEARCH AND ENGINEERING COMPANY
公开号:EP0113199A2
公开(公告)日:1984-07-11
There are disclosed functional fluid compositions containing a two component friction modifier additive composed of a thio-bis-alkanol succinate ester and a phosphate diester such as dioleyl phosphite. The compositions are especially useful as tractor fluids.
Friction modifier additive for power transmission shift fluids
申请人:EXXON RESEARCH AND ENGINEERING COMPANY
公开号:EP0116460A2
公开(公告)日:1984-08-22
There are disclosed power shift transmission fluids such as automatic transmission fluids containing a friction modifier additive being an oil soluble alkylthio succinic anhydride or acid, such as octadecyl thiosuccinic acid or anhydride.