CA2330987A1 - Reservoir de lubrifiant protege avec commande par pression pour trepan de forage de terrain avec roulement etanche - Google Patents

Reservoir de lubrifiant protege avec commande par pression pour trepan de forage de terrain avec roulement etanche Download PDF

Info

Publication number
CA2330987A1
CA2330987A1 CA002330987A CA2330987A CA2330987A1 CA 2330987 A1 CA2330987 A1 CA 2330987A1 CA 002330987 A CA002330987 A CA 002330987A CA 2330987 A CA2330987 A CA 2330987A CA 2330987 A1 CA2330987 A1 CA 2330987A1
Authority
CA
Canada
Prior art keywords
reservoir
bit
lubricant reservoir
drill bit
pressure control
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
CA002330987A
Other languages
English (en)
Other versions
CA2330987C (fr
Inventor
Robert H. Slaughter, Jr.
Peter T. Cariveau
Kirk A. Norris
Roger Didericksen
William M. Conn
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.)
Smith International Inc
Original Assignee
Smith International 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
Priority claimed from US09/487,947 external-priority patent/US6206110B1/en
Application filed by Smith International Inc filed Critical Smith International Inc
Publication of CA2330987A1 publication Critical patent/CA2330987A1/fr
Application granted granted Critical
Publication of CA2330987C publication Critical patent/CA2330987C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details

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)
CA002330987A 2000-01-18 2001-01-11 Reservoir de lubrifiant protege avec commande par pression pour trepan de forage de terrain avec roulement etanche Expired - Lifetime CA2330987C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/487,947 2000-01-18
US09/487,947 US6206110B1 (en) 1996-09-09 2000-01-18 Protected lubricant reservoir with pressure control for sealed bearing earth boring drill bit

Publications (2)

Publication Number Publication Date
CA2330987A1 true CA2330987A1 (fr) 2001-07-18
CA2330987C CA2330987C (fr) 2007-01-02

Family

ID=23937764

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002330987A Expired - Lifetime CA2330987C (fr) 2000-01-18 2001-01-11 Reservoir de lubrifiant protege avec commande par pression pour trepan de forage de terrain avec roulement etanche

Country Status (4)

Country Link
AU (1) AU774291B2 (fr)
CA (1) CA2330987C (fr)
SE (1) SE0100090L (fr)
ZA (1) ZA200100323B (fr)

Also Published As

Publication number Publication date
SE0100090L (sv) 2001-07-19
CA2330987C (fr) 2007-01-02
ZA200100323B (en) 2001-07-26
AU774291B2 (en) 2004-06-24
AU1496001A (en) 2001-07-19
SE0100090D0 (sv) 2001-01-12

Similar Documents

Publication Publication Date Title
CA2221068A1 (fr) Outil de forage utilise pour le forage horizontal dirige dans les formations rocheuses
GB2406110A (en) Hybrid rotary steerable system
WO2008073308A3 (fr) Éléments de déplacement et procédés de déplacement consistant à utiliser lesdits éléments pour former des corps de trépan pour trépans rotatifs de forage souterrain
CA2314114A1 (fr) Fleuret de perforatrice ameliore avec protection de la colonne
NO20100003L (no) Underrommer for borehull
CA2125335A1 (fr) Couteaux rapportes ultra-durs pour trepan tricone
WO2003002840A3 (fr) Stabilisateur perfectionne pour train de tiges de forage
WO2007057378A8 (fr) Systeme de sondage
CA2240290A1 (fr) Prevention des pertes de fluide de forage et additif de lubrification
WO2004104360A3 (fr) Foret et systeme pour percer un trou
CA2289367A1 (fr) Perceuse a elements expansibles
CA2254044A1 (fr) Meche de foret a roulement etanche, munie de deux joints d'etancheite et d'un systeme de nettoyage par fluide
EP1739277A3 (fr) Rechargement à gradient pour trépans de forage
CA2300593A1 (fr) Injecteur de tricone et dispositif de fixation
AU2002228166A1 (en) Directional drilling apparatus
CA1064013A (fr) Systeme d'etancheite pour trepan rotatif
AU2002364191A1 (en) Rotary support table
EP2058470A3 (fr) Alésoir à cylindre rotatif amélioré
AU4384999A (en) Improved backhead and check valve for down-hole drills
US3739864A (en) Pressure equalizing system for rock bits
CA2387568A1 (fr) Trepan a corps excentrique
CA2240023A1 (fr) Reservoir de lubrifiant protege pour trepan de forage a roulements etanches
CA2330987A1 (fr) Reservoir de lubrifiant protege avec commande par pression pour trepan de forage de terrain avec roulement etanche
WO2008131095A3 (fr) Matériau élastomère pour trépans à cône à rouleaux
WO2004101943A3 (fr) Elargisseur

Legal Events

Date Code Title Description
EEER Examination request