Method of collecting crude oil and crude oil collection...

Method of completing and producing hydrocarbons in a well

Method of controlling the removal of flowable material from a we

Method of heat exchange for variable-content nitrogen rejection

Method of in-situ remediation of volatile contaminants from soil

Method of injecting lift gas and gas lift flow control device

Method of operating an oil and gas production well activated by

Method of producing a fluid contained in a geological formation

Method of production of formation fluid and device for effecting

Method of pumping an oilfield fluid and split stream...

Method of stimulating gas-producing wells

Method of transporting a hydrate forming fluid

Method of wellbore pumping apparatus with improved...

Method of wellbore pumping apparatus with improved...

Methods and apparatus for controlling long-stroke pumping units

Methods and apparatus for enhancing production from a...

Methods and apparatus for optimizing well production

Methods and apparatus for optimizing well production

Methods and apparatus for production of hydrocarbons

Methods and apparatus for recovery of hydrocarbons and other liq