SE371468BSE7304186ASE7304186ASE371468BSE 371468 BSE371468 BSE 371468BSE 7304186 ASE7304186 ASE 7304186ASE 7304186 ASE7304186 ASE 7304186ASE 371468 BSE371468 BSE 371468B
Authority
SE
Sweden
Application number
SE7304186A
Inventor
G Hartzell
Original Assignee
Mattson J Byggnads Ab
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
Application filed by Mattson J Byggnads AbfiledCriticalMattson J Byggnads Ab
Priority to SE7304186ApriorityCriticalpatent/SE371468B/xx
Publication of SE371468BpublicationCriticalpatent/SE371468B/xx
E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
E21B43/01—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
E21B43/0122—Collecting oil or the like from a submerged leakage