FR2467966A1 - Trepan de forage ayant des lames de coupe formees separement - Google Patents

Trepan de forage ayant des lames de coupe formees separement Download PDF

Info

Publication number
FR2467966A1
FR2467966A1 FR7926551A FR7926551A FR2467966A1 FR 2467966 A1 FR2467966 A1 FR 2467966A1 FR 7926551 A FR7926551 A FR 7926551A FR 7926551 A FR7926551 A FR 7926551A FR 2467966 A1 FR2467966 A1 FR 2467966A1
Authority
FR
France
Prior art keywords
segments
drill bit
binder
face
diamonds
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.)
Granted
Application number
FR7926551A
Other languages
English (en)
French (fr)
Other versions
FR2467966B1 (enExample
Inventor
David S Rowley
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.)
Norton Christensen Inc
Original Assignee
Christensen 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
Application filed by Christensen Inc filed Critical Christensen Inc
Priority to FR7926551A priority Critical patent/FR2467966A1/fr
Publication of FR2467966A1 publication Critical patent/FR2467966A1/fr
Application granted granted Critical
Publication of FR2467966B1 publication Critical patent/FR2467966B1/fr
Granted legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/02Core bits
    • E21B10/04Core bits with core destroying means
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/48Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
FR7926551A 1979-10-25 1979-10-25 Trepan de forage ayant des lames de coupe formees separement Granted FR2467966A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7926551A FR2467966A1 (fr) 1979-10-25 1979-10-25 Trepan de forage ayant des lames de coupe formees separement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7926551A FR2467966A1 (fr) 1979-10-25 1979-10-25 Trepan de forage ayant des lames de coupe formees separement

Publications (2)

Publication Number Publication Date
FR2467966A1 true FR2467966A1 (fr) 1981-04-30
FR2467966B1 FR2467966B1 (enExample) 1984-08-17

Family

ID=9231050

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7926551A Granted FR2467966A1 (fr) 1979-10-25 1979-10-25 Trepan de forage ayant des lames de coupe formees separement

Country Status (1)

Country Link
FR (1) FR2467966A1 (enExample)

Also Published As

Publication number Publication date
FR2467966B1 (enExample) 1984-08-17

Similar Documents

Publication Publication Date Title
BE1012593A3 (fr) Couteaux et tuyeres a verrouillage mecanique.
BE1010522A4 (fr) Trepan de forage dans le sol avec une coquille supportant une surface de forage exterieure.
BE1014239A5 (fr) Substrat a deux qualites de carbure pour elements de coupe d'un trepan de forage de terre, trepans de forage equipes d'un tel substrat et procedes correspondants.
BE1014519A5 (fr) Tete de forage et son procede d'utilisation.
BE1012823A5 (fr) Elements rapportes a pointe superabrasive pour trepans de forage de terre.
EP0944765B1 (fr) Outil de forage et/ou de carottage
US4234048A (en) Drill bits embodying impregnated segments
BE1012193A3 (fr) Trepan de forage souterrain fabrique a partir de composants principaux formes separement.
BE1014915A5 (fr) Structure de forage de formations souterraines.
BE1011666A5 (fr) Goujon pour element de coupe de trepan de forage.
BE1010802A3 (fr) Tete de forage.
BE1012649A5 (fr) Element de coupe superabrasif avec chanfrein plan supporte par un contrefort et trepans de forage equipes d'un tel element.
BE1014353A5 (fr) Element coupant et trepan tournant utilisant cet element.
BE1010517A5 (fr) Structure de coupe diamantee destinee au forage de formations souterraines dures.
BE1000489A3 (fr) Outil de forage rotatif.
BE1013522A5 (fr) Element rapporte diamante pour trepan a molettes.
EP0794850B1 (fr) Outil abrasif, de coupe ou analogue et procede de fabrication de cet outil
FR2502235A1 (fr) Element de coupe pour trepan de forage rotatif pour forages profonds dans des formations geologiques
US5425288A (en) Manufacture of rotary drill bits
FR2915232A1 (fr) Trepan pour le forage d'un puits et procede de forage associe.
FR2608672A1 (fr) Outil de broyage pour l'enlevement de materiel d'un environnement souterrain
FR2488324A1 (fr) Outil de forage rotatif pour forages profonds
BE1013520A3 (fr) Trepan tricones hybride.
FR2607183A1 (fr) Appareil de forage, notamment elargisseur, et bras de coupe pour un tel appareil
EP1856368A1 (fr) Trepan a structure de coupe fixe

Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property
ST Notification of lapse