CA2272798C - Methode de forage de terrain qui utilise un roulement etanche de fond de trou, methode de scellement de roulement de fond de trou et roulement de fond de trou - Google Patents

Methode de forage de terrain qui utilise un roulement etanche de fond de trou, methode de scellement de roulement de fond de trou et roulement de fond de trou Download PDF

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Publication number
CA2272798C
CA2272798C CA 2272798 CA2272798A CA2272798C CA 2272798 C CA2272798 C CA 2272798C CA 2272798 CA2272798 CA 2272798 CA 2272798 A CA2272798 A CA 2272798A CA 2272798 C CA2272798 C CA 2272798C
Authority
CA
Canada
Prior art keywords
bearing chamber
bearing
pressure
downhole
mandrel
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 - Lifetime
Application number
CA 2272798
Other languages
English (en)
Other versions
CA2272798A1 (fr
Inventor
Miles Mcgillivray
Larry Raymond Bunney
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.)
Tartan Completions Systems Inc
Original Assignee
TARTAN CONTROLS 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 TARTAN CONTROLS Inc filed Critical TARTAN CONTROLS Inc
Priority to CA 2272798 priority Critical patent/CA2272798C/fr
Publication of CA2272798A1 publication Critical patent/CA2272798A1/fr
Application granted granted Critical
Publication of CA2272798C publication Critical patent/CA2272798C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/02—Fluid rotary type drives
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/003—Bearing, sealing, lubricating details
CA 2272798 1999-05-28 1999-05-28 Methode de forage de terrain qui utilise un roulement etanche de fond de trou, methode de scellement de roulement de fond de trou et roulement de fond de trou Expired - Lifetime CA2272798C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2272798 CA2272798C (fr) 1999-05-28 1999-05-28 Methode de forage de terrain qui utilise un roulement etanche de fond de trou, methode de scellement de roulement de fond de trou et roulement de fond de trou

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2272798 CA2272798C (fr) 1999-05-28 1999-05-28 Methode de forage de terrain qui utilise un roulement etanche de fond de trou, methode de scellement de roulement de fond de trou et roulement de fond de trou

Publications (2)

Publication Number Publication Date
CA2272798A1 CA2272798A1 (fr) 2000-11-28
CA2272798C true CA2272798C (fr) 2008-06-17

Family

ID=29589055

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2272798 Expired - Lifetime CA2272798C (fr) 1999-05-28 1999-05-28 Methode de forage de terrain qui utilise un roulement etanche de fond de trou, methode de scellement de roulement de fond de trou et roulement de fond de trou

Country Status (1)

Country Link
CA (1) CA2272798C (fr)

Also Published As

Publication number Publication date
CA2272798A1 (fr) 2000-11-28

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Effective date: 20190528