NO176721C - Fluid for use in petroleum wells, as well as methods for drilling a well - Google Patents

Fluid for use in petroleum wells, as well as methods for drilling a well

Info

Publication number
NO176721C
NO176721C NO882276A NO882276A NO176721C NO 176721 C NO176721 C NO 176721C NO 882276 A NO882276 A NO 882276A NO 882276 A NO882276 A NO 882276A NO 176721 C NO176721 C NO 176721C
Authority
NO
Norway
Prior art keywords
well
drilling
fluid
methods
petroleum wells
Prior art date
Application number
NO882276A
Other languages
Norwegian (no)
Other versions
NO882276D0 (en
NO176721B (en
NO882276L (en
Inventor
Thomas E Peterson
Original Assignee
Hydra Fluids Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US07/053,742 external-priority patent/US5154829A/en
Application filed by Hydra Fluids Inc filed Critical Hydra Fluids Inc
Publication of NO882276D0 publication Critical patent/NO882276D0/en
Publication of NO882276L publication Critical patent/NO882276L/en
Publication of NO176721B publication Critical patent/NO176721B/en
Publication of NO176721C publication Critical patent/NO176721C/en

Links

NO882276A 1987-05-26 1988-05-25 Fluid for use in petroleum wells, as well as methods for drilling a well NO176721C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/053,742 US5154829A (en) 1982-02-05 1987-05-26 Polyamide membrane with controlled surface properties

Publications (4)

Publication Number Publication Date
NO882276D0 NO882276D0 (en) 1988-05-25
NO882276L NO882276L (en) 1988-11-28
NO176721B NO176721B (en) 1995-02-06
NO176721C true NO176721C (en) 1995-05-16

Family

ID=21986249

Family Applications (1)

Application Number Title Priority Date Filing Date
NO882276A NO176721C (en) 1987-05-26 1988-05-25 Fluid for use in petroleum wells, as well as methods for drilling a well

Country Status (2)

Country Link
BR (1) BR8802364A (en)
NO (1) NO176721C (en)

Also Published As

Publication number Publication date
NO882276D0 (en) 1988-05-25
BR8802364A (en) 1988-12-13
NO176721B (en) 1995-02-06
NO882276L (en) 1988-11-28

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Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees