|
CA701029A
|
|
Pipe survey
|
|
CA712863A
|
|
Magnetic selective system
|
|
CA667000A
|
|
Magnetic caliper
|
|
CA845479A
|
|
Well packer
|
|
CA655534A
|
|
Well plunger
|
|
CA899773A
|
|
Apparatus for installing and removing flow valves
|
|
CA709672A
|
|
Safety valve for wells
|
|
CA840791A
|
|
Retrievable bottom hole separator valve
|
|
CA663037A
|
|
Permanent completion of wells
|
|
CA880713A
|
|
Well packer
|
|
CA642352A
|
|
Dual completion well installation
|
|
CA700004A
|
|
Retrievable pilot operated gas lift valve
|
|
CA849321A
|
|
Mechanically actuated well lock setting apparatus
|
|
CA663038A
|
|
Well tool hanger
|
|
CA884983A
|
|
Turbine flow meter
|
|
CA825476A
|
|
Flow valves and chokes, and means for installing same
|
|
CA779737A
|
|
Well packer
|
|
CA684699A
|
|
Storm choke
|
|
CA835709A
|
|
Hydraulically set well packer
|
|
CA644159A
|
|
Gas powered clock
|
