Method and apparatus employing phase cycling for reducing...

Method and apparatus f0r bottom-hole testing in open-hole wells

Method and apparatus for "in-situ" conveying of bitumen or...

Method and apparatus for a combined exit guide and sectional...

Method and apparatus for a high resolution downhole...

Method and apparatus for a monodiameter wellbore,...

Method and apparatus for a monodiameter wellbore,...

Method and apparatus for a monodiameter wellbore,...

Method and apparatus for a packer assembly

Method and apparatus for a pipe assembly used in a...

Method and apparatus for a pressure controlled reversing valve

Method and apparatus for a subsea master valve

Method and apparatus for a wellbore assembly

Method and apparatus for absorbing shock

Method and apparatus for absorbing shock

Method and apparatus for accumulating liquid and initiating...

Method and apparatus for accurate milling of windows in well...

Method and apparatus for acid gas compression

Method and apparatus for acidizing a subterranean well...

Method and apparatus for acoustic data transmission in a...