Career records & work history
Lawyers & Attorneys
Stephen Stroh - Lawyer
ISLN:
903353654
Admitted:
1972
Stephen W Stroh, Age 753430 Legends Mist Dr, Spring, TX 77386
Stephen Stroh Phones & Addresses
Spring, TX
303 Shady Glen Ln, Conroe, TX 77385
Houston, TX
Bellaire, TX
Miami, FL
Islip, NY
Mentions for Stephen W Stroh
Stephen Stroh resumes & CV records
Resumes
Stephen Stroh
Location:
United States
Stephen Stroh
Location:
United States
Business Manager At Tetra Technologies
Location:
Houston, Texas Area
Industry:
Oil & Energy
Stephen Stroh
Publications & IP owners
Us Patents
Drill-In Fluids And Drilling Methods
US Patent:
5612293, Mar 18, 1997
Filed:
Dec 22, 1994
Appl. No.:
8/362809
Inventors:
Rosa T. Swartwout - Houston TX
Stephen Stroh - Houston TX
Stephen Stroh - Houston TX
Assignee:
Tetra Technologies, Inc. - The Woodlands TX
International Classification:
C09K 702
C09K 700
E21B 4326
E21B 33138
C09K 700
E21B 4326
E21B 33138
US Classification:
507110
Abstract:
There is provided a method of drilling an oil or gas well, comprising drilling a wellbore into an underground formation in which a drill bit at the lower end of a drill pipe is placed at the bottom of the wellbore; pumping a first drilling fluid into the wellbore; determining the producing zone of the underground formation; and introducing a second drilling fluid into the wellbore through the drill pipe when the borehole is within the producing zone of the underground formation, wherein the second drilling fluid is a high density drill-in fluid, having a composition different from that of the first drilling fluid and including a brine system with at least one dissolved monovalent salt and at least one dissolved divalent salt together with a suspension polymer, said drilling fluid having a density of at least about 1. 50 g/cm. sup. 3 and a plastic viscosity of less than about 50 lbs/100 ft. sup. 2.
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