| Patent | Date |
|---|
Electromagnetic induction generator for use in a well
Grant 9,874,075 - DiSantis , et al. January 23, 2 | 2018-01-23 |
Processes and systems for drilling a borehole
Grant 9,359,881 - DiSantis June 7, 2 | 2016-06-07 |
Electromagnetic Induction Generator For Use In A Well
App 20160102529 - DiSantis; Joseph R. ; et al. | 2016-04-14 |
Systems, Assemblies And Processes For Controlling Tools In A Well Bore
App 20160061005 - Snider; Philip M ; et al. | 2016-03-03 |
Systems, assemblies and processes for controlling tools in a wellbore
Grant 9,194,227 - Snider , et al. November 24, 2 | 2015-11-24 |
Production logging processes and systems
Grant 8,850,899 - Snider October 7, 2 | 2014-10-07 |
Processes for fracturing a well
Grant 8,783,350 - Snider July 22, 2 | 2014-07-22 |
Processes And Systems For Drilling A Borehole
App 20130146358 - DiSantis; Joseph R. | 2013-06-13 |
Apparatus, assembly and process for injecting fluid into a subterranean well
Grant 8,413,726 - Stephenson , et al. April 9, 2 | 2013-04-09 |
Processes For Fracturing A Well
App 20130043030 - Snider; Philip M. | 2013-02-21 |
Method And Apparatus For Determining Position In A Pipe
App 20120298243 - Zierolf; Joseph A. | 2012-11-29 |
Hydrate Formation For Gas Separation
App 20120047944 - Waycuilis; John J. | 2012-03-01 |
Process and assembly for identifying and tracking assets
Grant 8,091,775 - Zierolf January 10, 2 | 2012-01-10 |
Method and system for performing operations and for improving production in wells
Grant 8,044,820 - Snider , et al. October 25, 2 | 2011-10-25 |
Production Logging Processes And Systems
App 20110252878 - Snider; Philip M. | 2011-10-20 |
Downhole isolation valve and methods for use
Grant 7,963,342 - George June 21, 2 | 2011-06-21 |
Hydrate Formation For Gas Separation Or Transport
App 20110123432 - Waycuilis; John J. | 2011-05-26 |
Apparatus, Assembly And Process For Injecting Fluid Into A Subterranean Well
App 20110042097 - Stephenson; Pearl E. ; et al. | 2011-02-24 |
Method And System For Performing Operations And For Improving Production In Wells
App 20100219980 - Snider; Philip M. ; et al. | 2010-09-02 |
Apparatus, assembly and process for injecting fluid into a subterranean well
Grant 7,766,085 - Stephenson , et al. August 3, 2 | 2010-08-03 |
Process And Assembly For Identifying And Tracking Assets
App 20100171593 - Zierolf; Joseph A. | 2010-07-08 |
Method and system for performing operations and for improving production in wells
Grant 7,714,741 - Snider , et al. May 11, 2 | 2010-05-11 |
Process and assembly for identifying and tracking assets
Grant 7,677,439 - Zierolf March 16, 2 | 2010-03-16 |
Method And Apparatus For Determining Position In A Pipe
App 20100013664 - Zierolf; Joseph A. | 2010-01-21 |
Systems, Assemblies And Processes For Controlling Tools In A Well Bore
App 20090223670 - Snider; Philip M. | 2009-09-10 |
Systems, Assemblies And Processes For Controlling Tools In A Well Bore
App 20090223663 - Snider; Philip M. ; et al. | 2009-09-10 |
Apparatus, Assembly And Process For Injecting Fluid Into A Subterranean Well
App 20090194293 - Stephenson; Pearl E. ; et al. | 2009-08-06 |
Stabilizing petroleum liquids for storage or transport
Grant 7,511,180 - Waycuilis March 31, 2 | 2009-03-31 |
Inhibiting reservoir souring using a treated injection water
Grant 7,464,760 - McElhiney December 16, 2 | 2008-12-16 |
Process For Converting Gaseous Alkanes To Liquid Hydrocarbons
App 20080275284 - Waycuilis; John J. | 2008-11-06 |
System And Method Of Separating Bitumen From Tar Sands
App 20080210602 - Duyvesteyn; Willem PC | 2008-09-04 |
Process For Converting Gaseous Alkanes To Olefins And Liquid Hydrocarbons
App 20080200740 - Waycuilis; John J. | 2008-08-21 |
Method and system for performing operations and for improving production in wells
Grant 7,400,263 - Snider , et al. July 15, 2 | 2008-07-15 |
Method for predicting quantitative values of a rock or fluid property in a reservoir using seismic data
Grant 7,373,251 - Hamman , et al. May 13, 2 | 2008-05-13 |
Stimulation tool having a sealed ignition system
Grant 7,353,866 - Snider , et al. April 8, 2 | 2008-04-08 |
Process for converting gaseous alkanes to liquid hydrocarbons
Grant 7,348,464 - Waycuilis March 25, 2 | 2008-03-25 |
Method and system for performing operations and for improving production in wells
Grant 7,283,061 - Snider , et al. October 16, 2 | 2007-10-16 |
Process for converting gaseous alkanes to liquid hydrocarbons
Grant 7,244,867 - Waycuilis July 17, 2 | 2007-07-17 |
Propellant ignition assembly and process
Grant 7,228,906 - Snider , et al. June 12, 2 | 2007-06-12 |
Method and system for producing gas and liquid in a subterranean well
Grant 7,207,385 - Smith , et al. April 24, 2 | 2007-04-24 |
Process for pressure stimulating a well bore through a template
Grant 7,100,693 - Collins , et al. September 5, 2 | 2006-09-05 |
Method and system for transmitting signals through a metal tubular
Grant 7,063,148 - Jabusch June 20, 2 | 2006-06-20 |
Conversion of alkanes to oxygenates
Grant 7,064,238 - Waycuilis June 20, 2 | 2006-06-20 |
Process and assembly for identifying and tracking assets
Grant 7,014,100 - Zierolf March 21, 2 | 2006-03-21 |
Template and system of templates for drilling and completing offset well bores
Grant 6,802,371 - Collins , et al. October 12, 2 | 2004-10-12 |
Casing conveyed perforating process and apparatus
Grant 6,761,219 - Snider , et al. July 13, 2 | 2004-07-13 |
Method and apparatus for determining position in a pipe
Grant 6,759,968 - Zierolf July 6, 2 | 2004-07-06 |
Gas-liquid separator positionable down hole in a well bore
Grant 6,755,250 - Hall , et al. June 29, 2 | 2004-06-29 |
Removal of sulfur from a hydrocarbon through a selective membrane
Grant 6,736,961 - Plummer , et al. May 18, 2 | 2004-05-18 |
Transport of a wet gas through a subsea pipeline
Grant 6,703,534 - Waycuilis , et al. March 9, 2 | 2004-03-09 |
Rigid jacket of an offshore platform having a quadrapod structure
Grant 6,644,893 - Johnson November 11, 2 | 2003-11-11 |
Template and system of templates for drilling and completing offset well bores
Grant 6,615,920 - Collins , et al. September 9, 2 | 2003-09-09 |
Method and system for performing a casing conveyed perforating process and other operations in wells
Grant 6,536,524 - Snider March 25, 2 | 2003-03-25 |
Casing conveyed perforating process and apparatus
Grant 6,386,288 - Snider , et al. May 14, 2 | 2002-05-14 |
Method and system for producing fluids in wells using simultaneous downhole separation and chemical injection
Grant 6,382,316 - Kintzele May 7, 2 | 2002-05-07 |
Production of a gas hydrate slurry using a fluidized bed heat exchanger
Grant 6,350,928 - Waycuilis , et al. February 26, 2 | 2002-02-26 |
Apparatus and method for perforating and stimulating a subterranean formation
Grant 6,336,506 - Wesson January 8, 2 | 2002-01-08 |
Method and apparatus for determining position in a pipe
Grant 6,333,699 - Zierolf December 25, 2 | 2001-12-25 |
Method for predicting quantitative values of a rock or fluid property in a reservoir using seismic data
Grant 6,302,221 - Hamman , et al. October 16, 2 | 2001-10-16 |
Apparatus and method for generating seismic energy in subterranean formations
Grant 6,263,283 - Snider , et al. July 17, 2 | 2001-07-17 |
Method of completing a well
Grant 6,253,851 - Schroeder, Jr. , et al. July 3, 2 | 2001-07-03 |
Method for analyzing and classifying three dimensional seismic information
Grant 6,226,596 - Gao May 1, 2 | 2001-05-01 |
Staged combustion of a low heating value fuel gas for driving a gas turbine
Grant 6,201,029 - Waycuilis March 13, 2 | 2001-03-13 |
Application of a stabilized polymer gel to an alkaline treatment region for improved hydrocarbon recovery
Grant 6,189,615 - Sydansk February 20, 2 | 2001-02-20 |
Viscosity reduction of crude oils and residuums
Grant 6,187,172 - Plummer February 13, 2 | 2001-02-13 |
Apparatus and method for perforating and stimulating a subterranean formation
Grant 6,158,511 - Wesson December 12, 2 | 2000-12-12 |
Hydrocarbon gas conversion system and process for producing a synthetic hydrocarbon liquid
Grant 6,130,259 - Waycuilis October 10, 2 | 2000-10-10 |
Foamed gel for permeability reduction or mobility control in a subterranean hydrocarbon-bearing formation
Grant 6,103,772 - Sydansk August 15, 2 | 2000-08-15 |
Apparatus and method for stimulating a subterranean formation
Grant 6,082,450 - Snider , et al. July 4, 2 | 2000-07-04 |
Geographical system for accessing data
Grant 6,061,688 - Kilpatrick , et al. May 9, 2 | 2000-05-09 |
Method and apparatus for severing a tubular
Grant 6,053,247 - Wesson , et al. April 25, 2 | 2000-04-25 |
Determining contact levels of fluids in an oil reservoir using a reservoir contact monitoring tool
Grant 6,023,445 - Cook , et al. February 8, 2 | 2000-02-08 |
Construction of a fluid impermeable subterranean barrier wall
Grant 5,947,644 - Gibbons , et al. September 7, 1 | 1999-09-07 |
Removal of sulfur from a hydrocarbon stream by low severity adsorption
Grant 5,919,354 - Bartek July 6, 1 | 1999-07-06 |
Use of multiple treatment agents to reduce hardness of an oilfield produced water
Grant 5,879,563 - Garbutt March 9, 1 | 1999-03-09 |
Assembly and process for drilling and completing multiple wells
Grant 5,878,815 - Collins March 9, 1 | 1999-03-09 |
Combusting a hydrocarbon gas to produce a reformed gas
Grant 5,861,441 - Waycuilis January 19, 1 | 1999-01-19 |
Process for reducing hydrocarbon leakage from a subterranean storage cavern
Grant 5,842,519 - Sydansk December 1, 1 | 1998-12-01 |
Method for detecting pressure measurement discontinuities caused by fluid boundary changes
Grant 5,837,893 - Chu November 17, 1 | 1998-11-17 |
Foamed gel for permeability reduction or mobility control in a subterranean hydrocarbon-bearing formation
Grant 5,834,406 - Sydansk November 10, 1 | 1998-11-10 |
Permeability reduction in a hydrocarbon-bearing formation using a stabilized polymer gel
Grant 5,816,323 - Sydansk October 6, 1 | 1998-10-06 |
Method and apparatus for core flooding studies
Grant 5,783,760 - Haines , et al. July 21, 1 | 1998-07-21 |
Apparatus and method for perforating and stimulating a subterranean formation
Grant 5,775,426 - Snider , et al. July 7, 1 | 1998-07-07 |
Hydrocarbon gas conversion system and process for producing a synthetic hydrocarbon liquid
Grant 5,733,941 - Waycuilis March 31, 1 | 1998-03-31 |
Assembly and process for drilling and completing multiple wells
Grant 5,685,373 - Collins , et al. November 11, 1 | 1997-11-11 |
Foamed gel completion, workover, and kill fluid
Grant 5,682,951 - Sydansk November 4, 1 | 1997-11-04 |
Apparatus and process for drilling and completing multiple wells
Grant 5,655,602 - Collins August 12, 1 | 1997-08-12 |
Process for reducing permeability in a subterranean hydrocarbon-bearing formation utilizing a gelation solution having a controlled gelation rate
Grant 5,650,379 - Sydansk July 22, 1 | 1997-07-22 |
Apparatus and method for perforating and fracturing
Grant 5,598,891 - Snider , et al. February 4, 1 | 1997-02-04 |
Polymer enhanced foam drilling fluid
Grant 5,513,712 - Sydansk May 7, 1 | 1996-05-07 |
Foamed gel employed as a drilling fluid, a lost circulation fluid, or a combined drilling/lost circulation fluid
Grant 5,495,891 - Sydansk March 5, 1 | 1996-03-05 |
Apparatus and method for generating inert gas and heating injected gas
Grant 5,488,990 - Wadleigh , et al. February 6, 1 | 1996-02-06 |
Selective placement of a permeability-reducing material in a subterranean interval to inhibit vertical flow through the interval
Grant 5,476,145 - Sengul , et al. December 19, 1 | 1995-12-19 |
Foamed gel for blocking fluid flow in soil
Grant 5,462,390 - Sydansk October 31, 1 | 1995-10-31 |
Assembly and process for drilling and completing multiple wells
Grant 5,458,199 - Collins , et al. October 17, 1 | 1995-10-17 |
Apparatus and process for producing and reinjecting gas
Grant 5,450,901 - Ellwood September 19, 1 | 1995-09-19 |
Process for reducing permeability in a subterranean hydrocarbon-bearing formation utilizing a gelation solution having a controlled gelation rate
Grant 5,421,411 - Sydansk June 6, 1 | 1995-06-06 |
Hydrocarbon recovery process utilizing a gel prepared from a polymer and a preformed crosslinking agent
Grant 5,415,229 - Sydansk May 16, 1 | 1995-05-16 |
Composition analyzer for determining composition of multiphase multicomponent fluid mixture
Grant 5,415,024 - Proffitt , et al. May 16, 1 | 1995-05-16 |
Method for measuring physical properties of hydrocarbons
Grant 5,412,581 - Tackett May 2, 1 | 1995-05-02 |
Fiber reinforced gel for use in subterranean treatment processes
Grant 5,377,760 - Merrill January 3, 1 | 1995-01-03 |
Polymer enhanced foam for blocking fluid flow in soil
Grant 5,372,462 - Sydansk December 13, 1 | 1994-12-13 |
Method and apparatus for sealing a wellbore or well casing screen
Grant 5,372,200 - Merrill, Jr. December 13, 1 | 1994-12-13 |
In-line foam generator for hydrocarbon recovery applications and its use
Grant 5,356,565 - Southwell October 18, 1 | 1994-10-18 |
Polymer enhanced foam for treating gas override or gas channeling
Grant 5,346,008 - Sydansk September 13, 1 | 1994-09-13 |
Template and process for drilling and completing multiple wells
Grant 5,330,007 - Collins , et al. July 19, 1 | 1994-07-19 |
Foamed gels to reduce gas coning in matrix environments
Grant 5,322,125 - Sydansk June 21, 1 | 1994-06-21 |
Transient temperature compensation for pressure gauges
Grant 5,307,683 - Phelps , et al. May 3, 1 | 1994-05-03 |
Transient temperature compensation for pressure gauges using discrete temperature history measurements for gauge calibration
Grant 5,307,681 - Phelps , et al. May 3, 1 | 1994-05-03 |
Method of measuring capillary pressures
Grant 5,245,859 - Smith , et al. September 21, 1 | 1993-09-21 |
Sequentially flooding a subterranean hydrocarbon-bearing formation with a repeating cycle of immiscible displacement gases
Grant 5,232,049 - Christiansen , et al. August 3, 1 | 1993-08-03 |
Rate controllable gel for conformance improvement treatment in a subterranean hydrocarbon-bearing formation
Grant 5,133,408 - Tackett July 28, 1 | 1992-07-28 |
Enhanced liquid hydrocarbon recovery process
Grant 5,129,457 - Sydansk July 14, 1 | 1992-07-14 |
Method and means for stabilizing gravel packs
Grant 5,127,474 - Schroeder, Jr. , et al. July 7, 1 | 1992-07-07 |
Method of positioning tubing within a horizontal well
Grant 5,117,912 - Young June 2, 1 | 1992-06-02 |
Sealed valve and control means therefor
Grant 5,099,867 - Emery March 31, 1 | 1992-03-31 |
Polyvinyl sulfonate scale inhibitor
Grant 5,092,404 - Falk , et al. March 3, 1 | 1992-03-03 |
In situ reversible crosslinked polymer gel used in hydrocarbon recovery applications
Grant 5,082,056 - Tackett, Jr. January 21, 1 | 1992-01-21 |
Process for in-situ enrichment of gas used in miscible flooding
Grant 5,074,357 - Haines December 24, 1 | 1991-12-24 |
Method and means for redistributing reactor flow
Grant 5,074,331 - Kassarjian December 24, 1 | 1991-12-24 |
Process for enhanced delayed in situ gelation of chromium polyacrylamide gels
Grant 5,069,281 - Tackett, Jr. December 3, 1 | 1991-12-03 |
Method of gravel packing a subterranean well
Grant 5,062,484 - Schroeder, Jr. , et al. November 5, 1 | 1991-11-05 |
Method of extrapolating reservoir performance
Grant 5,058,012 - Hinchman , et al. October 15, 1 | 1991-10-15 |
Oil shale retorting with steam and produced gas
Grant 5,041,210 - Merrill, Jr. , et al. August 20, 1 | 1991-08-20 |
Smooth bore slide valve
Grant 5,039,063 - Louch , et al. August 13, 1 | 1991-08-13 |
Process for restoring the permeability of a subterranean formation
Grant 5,038,864 - Dunleavy , et al. August 13, 1 | 1991-08-13 |
Motion absorbing docking assembly
Grant 5,026,226 - Hollowell , et al. June 25, 1 | 1991-06-25 |
Enhanced liquid hydrocarbon recovery process
Grant 5,025,863 - Haines , et al. June 25, 1 | 1991-06-25 |
Method and apparatus for logging short radius horizontal drainholes
Grant 5,010,764 - Taylor April 30, 1 | 1991-04-30 |
Gel composition and method of treatment
Grant 5,010,954 - Falk April 30, 1 | 1991-04-30 |
Method of forming a horizontal contamination barrier
Grant 5,002,431 - Heymans , et al. March 26, 1 | 1991-03-26 |
Method and means for introducing treatment fluid into a subterranean formation
Grant 5,000,264 - Snider March 19, 1 | 1991-03-19 |
Process for recovering and purifying a high molecular weight sulfonate
Grant 4,995,982 - Barthorpe February 26, 1 | 1991-02-26 |
Well kill treatment for oil field wellbore operations
Grant 4,995,461 - Sydansk * February 26, 1 | 1991-02-26 |
Lost circulation fluid for oil field drilling operations
Grant 4,989,673 - Sydansk February 5, 1 | 1991-02-05 |
Rod elevator insert
Grant 4,981,316 - McMahon January 1, 1 | 1991-01-01 |
Gel composition and method of treatment
Grant 4,968,442 - Falk November 6, 1 | 1990-11-06 |
Model-based depth processing of seismic data
Grant 4,953,142 - Rimmer August 28, 1 | 1990-08-28 |
Kill fluid for oil field operations
Grant 4,947,935 - Sydansk August 14, 1 | 1990-08-14 |
High speed, high temperature three-way valve for switching high pressure fluids under low pressure control
Grant RE33,246 - Barree July 3, 1 | 1990-07-03 |
Staged screen assembly for gravel packing
Grant 4,932,474 - Schroeder, Jr. , et al. June 12, 1 | 1990-06-12 |
Method of protecting a permeable formation
Grant 4,930,575 - Falk June 5, 1 | 1990-06-05 |
Method of treating a permeable formation
Grant 4,928,763 - Falk May 29, 1 | 1990-05-29 |
Apparatus and method for mixing a gel and liquid
Grant 4,874,248 - Luetzelschwab October 17, 1 | 1989-10-17 |
Method and means for introducing treatment fluid into a well bore
Grant 4,846,279 - Bruce July 11, 1 | 1989-07-11 |
Back pressure regulator
Grant 4,846,215 - Barree July 11, 1 | 1989-07-11 |
Water-alternating-gas flooding of a hydrocarbon-bearing formation
Grant 4,846,276 - Haines July 11, 1 | 1989-07-11 |
Delayed in situ crosslinking of acrylamide polymers for oil recovery applications in high-temperature formations
Grant 4,844,168 - Sydansk * July 4, 1 | 1989-07-04 |
Oil recovery process employing cyclic wettability alteration
Grant 4,842,065 - McClure June 27, 1 | 1989-06-27 |
System for measuring the pore volume and permeability of very tight core plugs and method therefor
Grant RE32,964 - Jones June 27, 1 | 1989-06-27 |
Assembly for and a method of absorbing impact shock loads
Grant 4,830,347 - Langshaw May 16, 1 | 1989-05-16 |
Method and apparatus for determing distribution of fluids in a porous sample
Grant 4,817,423 - Christiansen April 4, 1 | 1989-04-04 |
Oil well tool for in situ release of wellbore treatment fluid
Grant 4,809,778 - Johnson March 7, 1 | 1989-03-07 |
Hydraulic fracturing process using a polymer gel
Grant 4,779,680 - Sydansk * October 25, 1 | 1988-10-25 |
Method and apparatus for calibrating a differential pressure transducer
Grant 4,776,201 - Jones October 11, 1 | 1988-10-11 |
High pressure coupling
Grant 4,776,618 - Barree October 11, 1 | 1988-10-11 |
Rate-controlled polymer gelation process for oil recovery applications
Grant 4,770,245 - Sydansk * September 13, 1 | 1988-09-13 |
Oil recovery apparatus using an electromagnetic pump drive
Grant 4,768,595 - Smith September 6, 1 | 1988-09-06 |
Conformance improvement in a subterranean hydrocarbon-bearing formation using a crosslinked polymer
Grant 4,744,419 - Sydansk , et al. * May 17, 1 | 1988-05-17 |
Delayed polyacrylamide gelation process for oil recovery applications
Grant 4,744,418 - Sydansk * May 17, 1 | 1988-05-17 |
Plugging a tubing/casing annulus in a wellbore with a polymer gel
Grant 4,730,674 - Burdge , et al. March 15, 1 | 1988-03-15 |
Plugging an abandoned well with a polymer gel
Grant 4,730,675 - Wygant , et al. March 15, 1 | 1988-03-15 |
High speed, high temperature three-way valve for switching high pressure fluids under low pressure control
Grant 4,726,398 - Barree February 23, 1 | 1988-02-23 |
Wellbore cementing process using a polymer gel
Grant 4,724,906 - Sydansk February 16, 1 | 1988-02-16 |
Preventing plugging by insoluble salts in a hydrocarbon-bearing formation and associated production wells
Grant 4,723,603 - Plummer February 9, 1 | 1988-02-09 |
Accelerated polymer gelation process for oil recovery applications
Grant 4,723,605 - Sydansk February 9, 1 | 1988-02-09 |
Oil recovery process using a delayed polymer gel
Grant 4,706,754 - Smith November 17, 1 | 1987-11-17 |
Polymer gelation process for oil recovery applications
Grant 4,688,639 - Falk August 25, 1 | 1987-08-25 |
Oil recovery process and system
Grant 4,687,586 - Argabright , et al. August 18, 1 | 1987-08-18 |
Conformance improvement in a subterranean hydrocarbon-bearing formation using a polymer gel
Grant 4,683,949 - Sydansk , et al. August 4, 1 | 1987-08-04 |
Oil recovery process using a viscosity adjusted gelation system
Grant 4,679,625 - Gibbons July 14, 1 | 1987-07-14 |
Automated gas-liquid relative permeameter
Grant 4,679,421 - Barree July 14, 1 | 1987-07-14 |
Apparatus and method for automatic testing of core samples
Grant 4,649,737 - Jones * March 17, 1 | 1987-03-17 |
Method and apparatus for measuring water in crude oil
Grant 4,644,263 - Johnson February 17, 1 | 1987-02-17 |
Porous end plug disk for testing core samples
Grant 4,643,019 - Jones * February 17, 1 | 1987-02-17 |
System for measuring the pore volume and permeability of very tight core plugs and method therefor
Grant 4,627,270 - Jones December 9, 1 | 1986-12-09 |
Sulfonation of crude oils with gaseous SO.sub.3 to produce petroleum sulfonates
Grant 4,614,623 - Schroeder, Jr. , et al. * September 30, 1 | 1986-09-30 |
Process for cleaning an oil field well bore hole using an internal casing wiper
Grant 4,603,739 - Krugh * August 5, 1 | 1986-08-05 |
Method for preparing dilute polymer solutions
Grant 4,603,154 - Luetzelschwab * July 29, 1 | 1986-07-29 |
Oil recovery process
Grant RE32,114 - Argabright , et al. April 15, 1 | 1986-04-15 |
Self-contained bore hole flow measurement system and method therefor
Grant 4,581,927 - Johnson April 15, 1 | 1986-04-15 |
Oil recovery process and system
Grant 4,580,627 - Argabright , et al. April 8, 1 | 1986-04-08 |
Hydrocarbon desulfurization process
Grant 4,581,128 - Plummer , et al. April 8, 1 | 1986-04-08 |
Hydrocarbon recovery process using an in situ silicate/polymer gel
Grant 4,564,070 - Norton January 14, 1 | 1986-01-14 |
Perforated end plug plate for testing core samples
Grant 4,561,289 - Jones December 31, 1 | 1985-12-31 |
Seafloor velocity and amplitude measurement apparatus and method therefor
Grant 4,558,437 - Meeder , et al. December 10, 1 | 1985-12-10 |
Flow control method
Grant 4,553,594 - Luetzelschwab November 19, 1 | 1985-11-19 |
System for and method of processing a seismic signal
Grant 4,532,618 - Wener July 30, 1 | 1985-07-30 |
Process for diluting aqueous polymer solutions
Grant 4,517,097 - Merrill, Jr. May 14, 1 | 1985-05-14 |
Internal casing wiper for an oil field well bore hole
Grant 4,515,212 - Krugh May 7, 1 | 1985-05-07 |
Subocean bottom explosive seismic system
Grant 4,516,227 - Wener , et al. May 7, 1 | 1985-05-07 |
Flow control apparatus and method
Grant 4,510,993 - Luetzelschwab April 16, 1 | 1985-04-16 |
Polymer flow control apparatus
Grant 4,510,397 - Schroeder, Jr. April 9, 1 | 1985-04-09 |
Process for devolatilizing natural gas liquids
Grant 4,509,967 - Sweet April 9, 1 | 1985-04-09 |
Apparatus and method for preparing polymer solutions
Grant 4,508,858 - Luetzelschwab April 2, 1 | 1985-04-02 |
Process for utilizing a silicate/silica cement in oil field applications
Grant 4,505,751 - Sydansk March 19, 1 | 1985-03-19 |
Process for conformance control using a polymer flocculate
Grant 4,503,912 - Norton March 12, 1 | 1985-03-12 |
Process for selectively plugging permeable zones in a subterranean formation
Grant 4,485,875 - Falk December 4, 1 | 1984-12-04 |
Apparatus and method for preparing polymers
Grant 4,464,509 - Schroeder, Jr. August 7, 1 | 1984-08-07 |
Process for partially or completely plugging permeable zones in a subterranean formation
Grant 4,461,351 - Falk July 24, 1 | 1984-07-24 |
Process for selectively plugging a subterranean formation with a polymer gel
Grant 4,461,352 - Falk July 24, 1 | 1984-07-24 |
Process for inhibiting hydrate formation in producing gas wells
Grant 4,456,067 - Pinner, Jr. June 26, 1 | 1984-06-26 |
Demulsification of a crude oil middle phase emulsion
Grant 4,439,345 - Duke March 27, 1 | 1984-03-27 |
Oil recovery process
Grant 4,433,727 - Argabright , et al. February 28, 1 | 1984-02-28 |
Computer terminal security system
Grant 4,430,728 - Beitel , et al. February 7, 1 | 1984-02-07 |
System and method for determining the relative permeability of an earth formation surrounding a wellbore
Grant 4,420,975 - Nagel , et al. December 20, 1 | 1983-12-20 |
Injectivity of crude oil and petroleum sulfonate slugs by the addition of an alkylbenzene sulfonate
Grant 4,414,119 - Duke, Jr. November 8, 1 | 1983-11-08 |
Dilution apparatus and method
Grant 4,402,916 - Luetzelschwab September 6, 1 | 1983-09-06 |
Mineral acid demulsification of surfactant-containing emulsion
Grant 4,396,530 - Duke August 2, 1 | 1983-08-02 |
Method and apparatus for the detection of pipeline holidays
Grant 4,390,836 - Bruce , et al. June 28, 1 | 1983-06-28 |
Process for selective injection into a subterranean formation
Grant 4,387,770 - Hill June 14, 1 | 1983-06-14 |
Well blowout prevention device
Grant 4,377,206 - Chambers March 22, 1 | 1983-03-22 |
Process for selectively reducing the permeability of a subterranean formation
Grant 4,352,395 - Sydansk October 5, 1 | 1982-10-05 |
Process for cleaning a subterranean injection surface and for selectively reducing the permeability of a subterranean formation
Grant 4,343,363 - Norton , et al. August 10, 1 | 1982-08-10 |
Seismic apparatus
Grant 4,324,310 - Wener , et al. April 13, 1 | 1982-04-13 |
Programmable time control apparatus
Grant 4,319,319 - Wygant March 9, 1 | 1982-03-09 |
Process for selectively reducing the permeability of a subterranean sandstone formation
Grant 4,301,867 - Sydansk , et al. November 24, 1 | 1981-11-24 |
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