FR1228683A - Outil récupérateur à action magnétique pour forages - Google Patents

Outil récupérateur à action magnétique pour forages

Info

Publication number
FR1228683A
FR1228683A FR798576A FR798576A FR1228683A FR 1228683 A FR1228683 A FR 1228683A FR 798576 A FR798576 A FR 798576A FR 798576 A FR798576 A FR 798576A FR 1228683 A FR1228683 A FR 1228683A
Authority
FR
France
Prior art keywords
recuperator
boreholes
magnetic action
magnetic
action
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR798576A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KINGSTON INSTR Co Ltd
Original Assignee
KINGSTON INSTR Co Ltd
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 KINGSTON INSTR Co Ltd filed Critical KINGSTON INSTR Co Ltd
Application granted granted Critical
Publication of FR1228683A publication Critical patent/FR1228683A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B31/00—Fishing for or freeing objects in boreholes or wells
    • E21B31/06—Fishing for or freeing objects in boreholes or wells using magnetic means
FR798576A 1958-06-25 1959-06-25 Outil récupérateur à action magnétique pour forages Expired FR1228683A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1228683X 1958-06-25

Publications (1)

Publication Number Publication Date
FR1228683A true FR1228683A (fr) 1960-08-31

Family

ID=10884285

Family Applications (1)

Application Number Title Priority Date Filing Date
FR798576A Expired FR1228683A (fr) 1958-06-25 1959-06-25 Outil récupérateur à action magnétique pour forages

Country Status (1)

Country Link
FR (1) FR1228683A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5497841A (en) * 1991-03-14 1996-03-12 William Mohlenhoff Methods for coring a masonry wall

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5497841A (en) * 1991-03-14 1996-03-12 William Mohlenhoff Methods for coring a masonry wall

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