FR1249499A - équipement pour le forage du sol - Google Patents

équipement pour le forage du sol

Info

Publication number
FR1249499A
FR1249499A FR810612A FR810612A FR1249499A FR 1249499 A FR1249499 A FR 1249499A FR 810612 A FR810612 A FR 810612A FR 810612 A FR810612 A FR 810612A FR 1249499 A FR1249499 A FR 1249499A
Authority
FR
France
Prior art keywords
drilling equipment
ground drilling
ground
equipment
drilling
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
FR810612A
Other languages
English (en)
Inventor
Wladimir Tiraspolsky
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.)
EUROP DE TURBOFORAGE SOC
Original Assignee
EUROP DE TURBOFORAGE SOC
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 EUROP DE TURBOFORAGE SOC filed Critical EUROP DE TURBOFORAGE SOC
Priority to FR810612A priority Critical patent/FR1249499A/fr
Application granted granted Critical
Publication of FR1249499A publication Critical patent/FR1249499A/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
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/28—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with non-expansible roller cutters
FR810612A 1959-11-19 1959-11-19 équipement pour le forage du sol Expired FR1249499A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR810612A FR1249499A (fr) 1959-11-19 1959-11-19 équipement pour le forage du sol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR810612A FR1249499A (fr) 1959-11-19 1959-11-19 équipement pour le forage du sol

Publications (1)

Publication Number Publication Date
FR1249499A true FR1249499A (fr) 1960-12-30

Family

ID=8721490

Family Applications (1)

Application Number Title Priority Date Filing Date
FR810612A Expired FR1249499A (fr) 1959-11-19 1959-11-19 équipement pour le forage du sol

Country Status (1)

Country Link
FR (1) FR1249499A (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3604214A (en) * 1968-08-16 1971-09-14 Lee A Turzillo Means and method of making columnar structures in situ
US4630694A (en) * 1985-10-16 1986-12-23 Walton Paul G Integral blade hole opener
EP0234697A2 (fr) * 1986-01-17 1987-09-02 TRI-State Oil Tool (UK) a division of Baker International Limited Outil de coupe
EP1039095A2 (fr) * 1999-03-19 2000-09-27 Diamond Products International, Inc. Trépan de forage
WO2008149098A2 (fr) * 2007-06-07 2008-12-11 Andergauge Limited Appareil de perçage
US8936110B2 (en) 2009-04-09 2015-01-20 Nov Downhole Eurasia Limited Under reamer
US9689209B2 (en) 2010-12-29 2017-06-27 Nov Downhole Eurasia Limited Large gauge concentric underreamer

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3604214A (en) * 1968-08-16 1971-09-14 Lee A Turzillo Means and method of making columnar structures in situ
US4630694A (en) * 1985-10-16 1986-12-23 Walton Paul G Integral blade hole opener
EP0234697A2 (fr) * 1986-01-17 1987-09-02 TRI-State Oil Tool (UK) a division of Baker International Limited Outil de coupe
EP0234697A3 (fr) * 1986-01-17 1988-11-30 TRI-State Oil Tool (UK) a division of Baker International Limited Outil de coupe
EP1039095A2 (fr) * 1999-03-19 2000-09-27 Diamond Products International, Inc. Trépan de forage
EP1039095A3 (fr) * 1999-03-19 2001-04-11 Diamond Products International, Inc. Trépan de forage
WO2008149098A2 (fr) * 2007-06-07 2008-12-11 Andergauge Limited Appareil de perçage
WO2008149098A3 (fr) * 2007-06-07 2009-03-26 Andergauge Ltd Appareil de perçage
GB2462966A (en) * 2007-06-07 2010-03-03 Nat Oilwell Varco Lp Drilling apparatus with a pilot hole drilling assembly
GB2462966B (en) * 2007-06-07 2012-10-10 Nat Oilwell Varco Lp Drilling apparatus with a pilot hole drilling assembly
US8307921B2 (en) 2007-06-07 2012-11-13 National Oilwell Varco, L.P. Drilling apparatus
US8936110B2 (en) 2009-04-09 2015-01-20 Nov Downhole Eurasia Limited Under reamer
US10024109B2 (en) 2009-04-09 2018-07-17 Nov Downhole Eurasia Limited Under-reamer
US9689209B2 (en) 2010-12-29 2017-06-27 Nov Downhole Eurasia Limited Large gauge concentric underreamer

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