LandOfFree - US Patents - Listing for Wells,Processes

Wells – Processes – In situ combustion

Producing thin seams of coal in situ

Wells – Processes – In situ combustion

Producing well stimulation method - combination of thermal and s

Wells – Processes – Separate steps of fracturing or attacking formation

Product and process for acid diversion in the treatment of subte

Wells – Processes – Preventing flow into strainer while lowering by blocking...

Product and process for coating wellbore screens

Wells – Processes – Placing or shifting well part

Production actuated mud flow back valve

Wells – Processes – Cementing – plugging or consolidating

Production and grout liner for methane drainage in subterranean

Wells – Processes – Separating material entering well

Production and wet oxidation of heavy crude oil for generation o

Wells – Processes – With indicating – testing – measuring or locating

Production log

Wells – Processes – Placing or shifting well part

Production logging system using through flow line tools

Wells – Processes – Distinct – separate injection and producing wells

Production of a blending agent using an in situ thermal...

Wells – Processes – With indicating – testing – measuring or locating

Production of a polyacrylamide solution used in an oil recovery

Wells – Processes – Distinct – separate injection and producing wells

Production of bitumen by steam injection

Wells – Processes – Electric current or electrical wave energy through earth for...

Production of bitumen from a tar sand formation

Wells – Processes – Distinct – separate injection and producing wells

Production of bitumen from tar sands

Wells – Processes – Placing fluid into the formation

Production of free gas by gas hydrate conversion

Wells – Processes – With indicating – testing – measuring or locating

Production of hydrocarbons from underground formations

Wells – Processes – Separating material entering well

Production of hydrogen from underground coal gasification

Wells – Processes – Separating material entering well

Production of hydrogen sulphide containing gas from underground

Wells – Processes – Heating – cooling or insulating

Production of natural gas from hydrates