FI860237A - STABILIZERINGSDON FOER BORR. - Google Patents

STABILIZERINGSDON FOER BORR. Download PDF

Info

Publication number
FI860237A
FI860237A FI860237A FI860237A FI860237A FI 860237 A FI860237 A FI 860237A FI 860237 A FI860237 A FI 860237A FI 860237 A FI860237 A FI 860237A FI 860237 A FI860237 A FI 860237A
Authority
FI
Finland
Prior art keywords
stabilizeringsdon
borr
foer
stabilizeringsdon foer
foer borr
Prior art date
Application number
FI860237A
Other languages
Finnish (fi)
Other versions
FI860237A0 (en
Inventor
Arthur Stewart
Original Assignee
Stable Services Ltd
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 Stable Services Ltd filed Critical Stable Services Ltd
Publication of FI860237A0 publication Critical patent/FI860237A0/en
Publication of FI860237A publication Critical patent/FI860237A/en

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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
    • 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
    • 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
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/22—Rods or pipes with helical structure
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/02—Determining slope or direction
    • E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
FI860237A 1985-01-18 1986-01-17 STABILIZERINGSDON FOER BORR. FI860237A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858501256A GB8501256D0 (en) 1985-01-18 1985-01-18 Stabilizing tool

Publications (2)

Publication Number Publication Date
FI860237A0 FI860237A0 (en) 1986-01-17
FI860237A true FI860237A (en) 1986-07-19

Family

ID=10573030

Family Applications (1)

Application Number Title Priority Date Filing Date
FI860237A FI860237A (en) 1985-01-18 1986-01-17 STABILIZERINGSDON FOER BORR.

Country Status (6)

Country Link
EP (1) EP0188343A3 (en)
DK (1) DK22186A (en)
ES (1) ES296679Y (en)
FI (1) FI860237A (en)
GB (1) GB8501256D0 (en)
NO (1) NO860143L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2483631A (en) * 1945-10-12 1949-10-04 Charles J Fashing Small game suspending device
GB8908014D0 (en) * 1989-04-10 1989-05-24 Smith Int North Sea A milling tool stabiliser
GB9101921D0 (en) * 1991-01-29 1991-03-13 Stable Services Ltd Stabilising tool
EP3234299B1 (en) 2014-12-16 2021-12-15 Sumrall, Ernest Newton Borehole conditioning tools

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3642079A (en) * 1970-06-23 1972-02-15 Servco Co Multisleeve stabilizer
US3825083A (en) * 1972-02-02 1974-07-23 Christensen Diamond Prod Co Drill bit and stabilizer combination
US3933395A (en) * 1973-12-13 1976-01-20 Reamco, Inc. Stabilizer
US4380264A (en) * 1980-12-24 1983-04-19 Drilling Development, Inc. Survey tool string
GB2133059B (en) * 1982-11-24 1986-01-15 Groom International Limited Drilling tools
GB2166177A (en) * 1984-10-26 1986-04-30 Metal X Corp Of Texas Sleeve-type stabilizer

Also Published As

Publication number Publication date
EP0188343A3 (en) 1987-08-05
ES296679U (en) 1987-12-16
ES296679Y (en) 1988-05-16
EP0188343A2 (en) 1986-07-23
FI860237A0 (en) 1986-01-17
NO860143L (en) 1986-07-21
GB8501256D0 (en) 1985-02-20
DK22186A (en) 1986-07-19
DK22186D0 (en) 1986-01-17

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: STABLE SERVICES LIMITED