DOWELL SCHLUMBERGER INCORPORATED

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TULSA, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Suction valve for high pressure slurry pump
- Patent number 5,230,363
- Issue date Jul 27, 1993
- Dowell Schlumberger Incorporated
- Fred M. Winn
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of enhancing methane production from coal seams by dewatering
- Patent number 5,229,017
- Issue date Jul 20, 1993
- Dowell Schlumberger Incorporated
- Kenneth H. Nimerick
- E21 - EARTH DRILLING MINING
Information Patent Grant
Product and process for acid diversion in the treatment of subterra...
- Patent number 5,203,413
- Issue date Apr 20, 1993
- Dowell Schlumberger Incorporated
- Mohamed Zerhboub
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of cementing well casing to avoid gas channelling from shall...
- Patent number 5,199,489
- Issue date Apr 6, 1993
- Dowell Schlumberger Incorporated
- Les Johnson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods and apparatus using a gel to isolate mainline valves in a p...
- Patent number 5,197,324
- Issue date Mar 30, 1993
- Dowell Schlumberger Incorporated
- Mark S. Keys
- G01 - MEASURING TESTING
Information Patent Grant
Gelling organic liquids
- Patent number 5,190,675
- Issue date Mar 2, 1993
- Dowell Schlumberger Incorporated
- J. Mark Gross
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Chemical removal of thiourea from hydrochloric acid
- Patent number 5,180,500
- Issue date Jan 19, 1993
- Dowell Schlumberger Incorporated
- Stanley B. McConnell
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Reinforced flanges on plastic pipe
- Patent number 5,171,041
- Issue date Dec 15, 1992
- Dowell Schlumberger Incorporated
- James S. McMillan
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Anti-rotation device for cementing plugs with deformable peripheral...
- Patent number 5,165,474
- Issue date Nov 24, 1992
- Dowell Schlumberger Incorporated
- Paul Buisine
- E21 - EARTH DRILLING MINING
Information Patent Grant
Packing for piston and valve machine
- Patent number 5,145,340
- Issue date Sep 8, 1992
- Dowell Schlumberger Incorporated
- Pierre-Yves Allard
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Process and composition for protecting chrome steel
- Patent number 5,120,471
- Issue date Jun 9, 1992
- Dowell Schlumberger Incorporated
- Raymond J. Jasinski
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Detection of fracturing events using derivatives of fracturing pres...
- Patent number 5,105,659
- Issue date Apr 21, 1992
- Dowell Schlumberger Incorporated
- Joseph A. Ayoub
- E21 - EARTH DRILLING MINING
Information Patent Grant
Delayed rigid foam systems and applications in particular for selec...
- Patent number 5,103,910
- Issue date Apr 14, 1992
- Dowell Schlumberger Incorporated
- Keng S. Chan
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method of optimizing the conductivity of a propped fractured formation
- Patent number 5,103,905
- Issue date Apr 14, 1992
- Dowell Schlumberger Incorporated
- Harold D. Brannon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of fracturing high temperature wells and fracturing fluid th...
- Patent number 5,103,913
- Issue date Apr 14, 1992
- Dowell Schlumberger Incorporated
- Kenneth H. Nimerick
- E21 - EARTH DRILLING MINING
Information Patent Grant
Aqueous spacer composition compatible with drilling muds and cement...
- Patent number 5,101,902
- Issue date Apr 7, 1992
- Dowell Schlumberger Incorporated
- Philippe Parcevaux
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process and composition for inhibiting high-temperature iron and st...
- Patent number 5,096,618
- Issue date Mar 17, 1992
- Dowell Schlumberger Incorporated
- Wayne W. Frenier
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Apparatus for cleaning pipe
- Patent number 5,090,079
- Issue date Feb 25, 1992
- Dowell Schlumberger Incorporated
- Arlie Allison
- B08 - CLEANING
Information Patent Grant
Delayed rigid foam systems and applications in particular for plugg...
- Patent number 5,086,840
- Issue date Feb 11, 1992
- Dowell Schlumberger Incorporated
- Arthur Soucemarianadin
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Gravel packer and service tool
- Patent number 5,069,280
- Issue date Dec 3, 1991
- Dowell Schlumberger Incorporated
- L. Michael McKee
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and method for mixing fluids
- Patent number 5,046,856
- Issue date Sep 10, 1991
- Dowell Schlumberger Incorporated
- William R. McIntire
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Fracturing with multiple fluids to improve fracture conductivity
- Patent number 5,036,919
- Issue date Aug 6, 1991
- Dowell Schlumberger Incorporated
- Ronnie L. Thomas
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tool for treating subterranean wells
- Patent number 5,020,592
- Issue date Jun 4, 1991
- Dowell Schlumberger Incorporated
- Laurent Muller
- E21 - EARTH DRILLING MINING
Information Patent Grant
Process and composition for inhibiting iron and steel corrosion
- Patent number 5,013,483
- Issue date May 7, 1991
- Dowell Schlumberger Incorporated
- Wayne Frenier
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process and composition for cementing wells passing through salt fo...
- Patent number 5,006,177
- Issue date Apr 9, 1991
- Dowell Schlumberger Incorporated
- Rudiger Oberste-Padtberg
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Hydraulic release joint for tubing systems
- Patent number 4,984,632
- Issue date Jan 15, 1991
- Dowell Schlumberger Incorporated
- Augdon Sampa
- E21 - EARTH DRILLING MINING
Information Patent Grant
Logging of subterranean wells using coiled tubing
- Patent number 4,984,634
- Issue date Jan 15, 1991
- Dowell Schlumberger Incorporated
- Jacques Pilla
- E21 - EARTH DRILLING MINING
Information Patent Grant
System for the assembly of a metal joining piece and a high pressur...
- Patent number 4,974,245
- Issue date Nov 27, 1990
- Dowell Schlumberger Incorporated
- Jean-Yves Mioque
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Cable clamp for coiled tubing
- Patent number 4,971,147
- Issue date Nov 20, 1990
- Dowell Schlumberger
- Bart Thomeer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for gravel packing a well
- Patent number 4,969,523
- Issue date Nov 13, 1990
- Dowell Schlumberger Incorporated
- James W. Martin
- E21 - EARTH DRILLING MINING

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Trademarklast 30 trademarks

Information Trademark
73589666 - PARABAN
- Serial number 73589666
- Registration number 1452550
- Filing date Mar 24, 1986
- DOWELL SCHLUMBERGER INCORPORATED
- 40 - Treatment of materials

DOWELL SCHLUMBERGER INCORPORATED

Organization

Patents Grantslast 30 patents

Suction valve for high pressure slurry pump

Method of enhancing methane production from coal seams by dewatering

Product and process for acid diversion in the treatment of subterra...

Method of cementing well casing to avoid gas channelling from shall...

Methods and apparatus using a gel to isolate mainline valves in a p...

Gelling organic liquids

Chemical removal of thiourea from hydrochloric acid

Reinforced flanges on plastic pipe

Anti-rotation device for cementing plugs with deformable peripheral...

Packing for piston and valve machine

Process and composition for protecting chrome steel

Detection of fracturing events using derivatives of fracturing pres...

Delayed rigid foam systems and applications in particular for selec...

Method of optimizing the conductivity of a propped fractured formation

Method of fracturing high temperature wells and fracturing fluid th...

Aqueous spacer composition compatible with drilling muds and cement...

Process and composition for inhibiting high-temperature iron and st...

Apparatus for cleaning pipe

Delayed rigid foam systems and applications in particular for plugg...

Gravel packer and service tool

Apparatus and method for mixing fluids

Fracturing with multiple fluids to improve fracture conductivity

Tool for treating subterranean wells

Process and composition for inhibiting iron and steel corrosion

Process and composition for cementing wells passing through salt fo...

Hydraulic release joint for tubing systems

Logging of subterranean wells using coiled tubing

System for the assembly of a metal joining piece and a high pressur...

Cable clamp for coiled tubing

Method for gravel packing a well

Trademarklast 30 trademarks

73589666 - PARABAN