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Class Information
Number: 166/308.1
Name: Wells > Processes > Placing fluid into the formation > Fracturing (epo)
Description: Process wherein the earth is cracked to create a fissure therein.


Sub-classes under this class:

Class Number Class Name Patents
166/308.2 Using a chemical (epo) 205


Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
7617871 Hydrajet bottomhole completion tool and process Nov. 17, 2009
7614450 Pumping system and method for injecting a mixture of liquids into a subterranean formation Nov. 10, 2009
7608567 Degradable surfactants and methods for use Oct. 27, 2009
7604055 Completion method with telescoping perforation and fracturing tool Oct. 20, 2009
7595281 Methods to increase recovery of treatment fluid following stimulation of a subterranean formation comprising in situ fluorocarbon coated particles Sep. 29, 2009
7591312 Completion method for fracturing and gravel packing Sep. 22, 2009
7591306 Enhanced hydrocarbon recovery by steam injection of oil sand formations Sep. 22, 2009
7588085 Method to improve the injectivity of fluids and gases using hydraulic fracturing Sep. 15, 2009
7585818 Nonnatural galactomannans and methods of use Sep. 8, 2009
7584794 Mechanical and fluid jet horizontal drilling method and apparatus Sep. 8, 2009
7585817 Compositions and methods for improving the productivity of hydrocarbon producing wells using a non-ionic fluorinated polymeric surfactant Sep. 8, 2009
7578968 Microbiological control in oil or gas field operations Aug. 25, 2009
7579302 Friction reducer performance by complexing multivalent ions in water Aug. 25, 2009
7575062 Methods and devices for treating multiple-interval well bores Aug. 18, 2009
7576041 Bromine-based sulfamate stabilized breaker composition and process Aug. 18, 2009
7572757 Method of treating a well with a gel stabilizer Aug. 11, 2009
7569523 Method and materials for hydraulic fracturing of wells using a liquid degradable thermoplastic polymer Aug. 4, 2009
7562711 Hydraulic injection of biocide into tanks Jul. 21, 2009
7559373 Process for fracturing a subterranean formation Jul. 14, 2009
7546877 Process for hydrofracturing an underground aquifer from a water well borehole for increasing water flow production from Denver Basin aquifers Jun. 16, 2009
7540328 Solid sandstone dissolver Jun. 2, 2009
7516792 Remote intervention logic valving method and apparatus Apr. 14, 2009
7516787 Method of developing a subsurface freeze zone using formation fractures Apr. 14, 2009
7516793 Methods and systems for fracturing subterranean wells Apr. 14, 2009
7503404 Methods of well stimulation during drilling operations Mar. 17, 2009
7493957 Methods for controlling water and sand production in subterranean wells Feb. 24, 2009
7487827 Propellant cartridge with restrictor plugs for fracturing wells Feb. 10, 2009
7482310 Method of fracturing subterranean formations utilizing emulsions comprising acrylamide copolymers Jan. 27, 2009
7478674 System and method for fracturing and gravel packing a wellbore Jan. 20, 2009
7472748 Methods for estimating properties of a subterranean formation and/or a fracture therein Jan. 6, 2009
7472751 Method of treating subterranean formations using mixed density proppants or sequential proppant stages Jan. 6, 2009
7451812 Real-time automated heterogeneous proppant placement Nov. 18, 2008
7451818 Method of reducing sand production from a wellbore Nov. 18, 2008
7445041 Method and system for extraction of hydrocarbons from oil shale Nov. 4, 2008
7445045 Method of optimizing production of gas from vertical wells in coal seams Nov. 4, 2008
7441595 Method and apparatus for single-run formation of multiple lateral passages from a wellbore Oct. 28, 2008
7441598 Methods of stabilizing unconsolidated subterranean formations Oct. 28, 2008
7441604 Fracking multiple casing exit laterals Oct. 28, 2008
7441603 Hydrocarbon recovery from impermeable oil shales Oct. 28, 2008
7435706 Thinners for invert emulsions Oct. 14, 2008
7431083 Sub-surface coalbed methane well enhancement through rapid oxidation Oct. 7, 2008
7431090 Methods and apparatus for multiple fracturing of subterranean formations Oct. 7, 2008
7422060 Methods and apparatus for completing a well Sep. 9, 2008
7413017 Methods and compositions for inducing tip screenouts in frac-packing operations Aug. 19, 2008
7409911 Propellant for fracturing wells Aug. 12, 2008
7405183 Methods and compositions for crosslinking polymers with boronic acids Jul. 29, 2008
7404441 Hydraulic feature initiation and propagation control in unconsolidated and weakly cemented sediments Jul. 29, 2008
7401651 Wellbore fluid saver assembly Jul. 22, 2008
7401652 Multi-perf fracturing process Jul. 22, 2008
7402549 Viscoelastic surfactant rheology modification Jul. 22, 2008

1 2 3 4 5 6 7 8 9 10


 
 
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