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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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5054554 |
Rate control method for hydraulic fracturing |
Oct. 8, 1991 |
| 5050674 |
Method for determining fracture closure pressure and fracture volume of a subsurface formation |
Sep. 24, 1991 |
| 5042581 |
Method for improving steam stimulation in heavy oil reservoirs |
Aug. 27, 1991 |
| 5036918 |
Method for improving sustained solids-free production from heavy oil reservoirs |
Aug. 6, 1991 |
| 5036917 |
Method for providing solids-free production from heavy oil reservoirs |
Aug. 6, 1991 |
| 5032042 |
Method and apparatus for eliminating non-naturally occurring subsurface, liquid toxic contaminants from soil |
Jul. 16, 1991 |
| 5025859 |
Overlapping horizontal fracture formation and flooding process |
Jun. 25, 1991 |
| 5018578 |
Method of arresting hydraulic fracture propagation |
May. 28, 1991 |
| 5016714 |
Biocidal well treatment method |
May. 21, 1991 |
| 5014788 |
Method of increasing the permeability of a coal seam |
May. 14, 1991 |
| 5009267 |
Method for temporarily reducing permeability of subterranean formations |
Apr. 23, 1991 |
| 5005649 |
Multiple fracture production device and method |
Apr. 9, 1991 |
| 5005645 |
Method for enhancing heavy oil production using hydraulic fracturing |
Apr. 9, 1991 |
| 5005643 |
Method of determining fracture parameters for heterogenous formations |
Apr. 9, 1991 |
| 5002125 |
Fracturing process using a viscosity stabilized energizing phase |
Mar. 26, 1991 |
| 5000264 |
Method and means for introducing treatment fluid into a subterranean formation |
Mar. 19, 1991 |
| 4993491 |
Fracture stimulation of coal degasification wells |
Feb. 19, 1991 |
| 4982792 |
Method to reduce movement of a CPF device via a shear-thickening fluid |
Jan. 8, 1991 |
| 4982793 |
Crosslinkable cellulose derivatives |
Jan. 8, 1991 |
| 4977961 |
Method to create parallel vertical fractures in inclined wellbores |
Dec. 18, 1990 |
| 4974675 |
Method of fracturing horizontal wells |
Dec. 4, 1990 |
| 4967840 |
Process and apparatus for forming a gaseous stream for introduction into hydrocarbon bearing formations and gas generator therefor |
Nov. 6, 1990 |
| 4930576 |
Slurry mixing apparatus |
Jun. 5, 1990 |
| 4917188 |
Method for setting well casing using a resin coated particulate |
Apr. 17, 1990 |
| 4913237 |
Remedial treatment for coal degas wells |
Apr. 3, 1990 |
| 4903772 |
Method of fracturing a geological formation |
Feb. 27, 1990 |
| 4901563 |
System for monitoring fluids during well stimulation processes |
Feb. 20, 1990 |
| 4898241 |
Method and device for taking measurements and/or carrying out interventions in a well subjected to hydraulic compression |
Feb. 6, 1990 |
| 4898240 |
System for moving a set of instruments and a method for measurement and/or intervention in a well |
Feb. 6, 1990 |
| 4893676 |
Well treating method and associated apparatus for stimulating recovery of production fluids |
Jan. 16, 1990 |
| 4889186 |
Overlapping horizontal fracture formation and flooding process |
Dec. 26, 1989 |
| 4887670 |
Controlling fracture growth |
Dec. 19, 1989 |
| 4867241 |
Limited entry, multiple fracturing from deviated wellbores |
Sep. 19, 1989 |
| 4852650 |
Hydraulic fracturing with a refractory proppant combined with salinity control |
Aug. 1, 1989 |
| 4850431 |
Method of forming a plurality of spaced substantially parallel fractures from a deviated well bore |
Jul. 25, 1989 |
| 4848461 |
Method of evaluating fracturing fluid performance in subsurface fracturing operations |
Jul. 18, 1989 |
| 4848468 |
Enhanced hydraulic fracturing of a shallow subsurface formation |
Jul. 18, 1989 |
| 4848480 |
Method and apparatus for wire line protection in a well |
Jul. 18, 1989 |
| 4845981 |
System for monitoring fluids during well stimulation processes |
Jul. 11, 1989 |
| 4842073 |
Fluid additive and method for treatment of subterranean formations |
Jun. 27, 1989 |
| 4836284 |
Equilibrium fracture acidizing |
Jun. 6, 1989 |
| 4836280 |
Method of evaluating subsurface fracturing operations |
Jun. 6, 1989 |
| 4834181 |
Creation of multi-azimuth permeable hydraulic fractures |
May. 30, 1989 |
| 4832121 |
Methods for monitoring temperature-vs-depth characteristics in a borehole during and after hydraulic fracture treatments |
May. 23, 1989 |
| 4832123 |
Removing fracture fluid via chemical blowing agents |
May. 23, 1989 |
| 4830106 |
Simultaneous hydraulic fracturing |
May. 16, 1989 |
| 4823876 |
Formation stimulating tool with anti-acceleration provisions |
Apr. 25, 1989 |
| 4817714 |
Decreasing total fluid flow in a fractured formation |
Apr. 4, 1989 |
| 4807702 |
Method for improving high impulse fracturing |
Feb. 28, 1989 |
| 4798244 |
Tool and process for stimulating a subterranean formation |
Jan. 17, 1989 |
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