FR1328040A - Crown probe - Google Patents

Crown probe

Info

Publication number
FR1328040A
FR1328040A FR899684A FR899684A FR1328040A FR 1328040 A FR1328040 A FR 1328040A FR 899684 A FR899684 A FR 899684A FR 899684 A FR899684 A FR 899684A FR 1328040 A FR1328040 A FR 1328040A
Authority
FR
France
Prior art keywords
crown
probe
crown probe
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
FR899684A
Other languages
French (fr)
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.)
SVENSKA DIAMANTBERGBORRNINGS AB
Original Assignee
SVENSKA DIAMANTBERGBORRNINGS 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 SVENSKA DIAMANTBERGBORRNINGS AB filed Critical SVENSKA DIAMANTBERGBORRNINGS AB
Priority to FR899684A priority Critical patent/FR1328040A/en
Application granted granted Critical
Publication of FR1328040A publication Critical patent/FR1328040A/en
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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors
    • E21B25/02—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors the core receiver being insertable into, or removable from, the borehole without withdrawing the drilling pipe
FR899684A 1962-06-05 1962-06-05 Crown probe Expired FR1328040A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR899684A FR1328040A (en) 1962-06-05 1962-06-05 Crown probe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR899684A FR1328040A (en) 1962-06-05 1962-06-05 Crown probe

Publications (1)

Publication Number Publication Date
FR1328040A true FR1328040A (en) 1963-05-24

Family

ID=8780323

Family Applications (1)

Application Number Title Priority Date Filing Date
FR899684A Expired FR1328040A (en) 1962-06-05 1962-06-05 Crown probe

Country Status (1)

Country Link
FR (1) FR1328040A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1248586B (en) * 1964-03-04 1967-08-31 E J Longyear Company Core drilling tool
DE1256602B (en) * 1964-11-27 1967-12-21 E J Longyear Company Hydraulically operated valve device for pullable inner core tubes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1248586B (en) * 1964-03-04 1967-08-31 E J Longyear Company Core drilling tool
DE1256602B (en) * 1964-11-27 1967-12-21 E J Longyear Company Hydraulically operated valve device for pullable inner core tubes

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