GB9420807D0 - Bullet seal - Google Patents

Bullet seal

Info

Publication number
GB9420807D0
GB9420807D0 GB9420807A GB9420807A GB9420807D0 GB 9420807 D0 GB9420807 D0 GB 9420807D0 GB 9420807 A GB9420807 A GB 9420807A GB 9420807 A GB9420807 A GB 9420807A GB 9420807 D0 GB9420807 D0 GB 9420807D0
Authority
GB
United Kingdom
Prior art keywords
bullet seal
bullet
seal
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
GB9420807A
Other versions
GB2283518A (en
GB2283518B (en
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.)
Baker Hughes Holdings LLC
Original Assignee
Baker Hughes 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 Baker Hughes Inc filed Critical Baker Hughes Inc
Priority to GB9714016A priority Critical patent/GB2312227B/en
Publication of GB9420807D0 publication Critical patent/GB9420807D0/en
Publication of GB2283518A publication Critical patent/GB2283518A/en
Application granted granted Critical
Publication of GB2283518B publication Critical patent/GB2283518B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/12—Packers; Plugs
    • E21B33/1208—Packers; Plugs characterised by the construction of the sealing or packing means
    • 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/12—Packers; Plugs
    • E21B33/1208—Packers; Plugs characterised by the construction of the sealing or packing means
    • E21B33/1216—Anti-extrusion means, e.g. means to prevent cold flow of rubber packing
    • 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02—Subsoil filtering
    • E21B43/10—Setting of casings, screens, liners or the like in wells
    • 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
    • E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
    • E21B2200/01—Sealings characterised by their shape
GB9420807A 1993-11-04 1994-10-14 A seal for a wellbore annulus Expired - Lifetime GB2283518B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9714016A GB2312227B (en) 1993-11-04 1994-10-14 A seal for a wellbore annulus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14799293A 1993-11-04 1993-11-04

Publications (3)

Publication Number Publication Date
GB9420807D0 true GB9420807D0 (en) 1994-11-30
GB2283518A GB2283518A (en) 1995-05-10
GB2283518B GB2283518B (en) 1998-01-14

Family

ID=22523777

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9420807A Expired - Lifetime GB2283518B (en) 1993-11-04 1994-10-14 A seal for a wellbore annulus

Country Status (2)

Country Link
CA (1) CA2117943C (en)
GB (1) GB2283518B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1183644A (en) * 1967-01-03 1970-03-11 Rockwell Mfg Co Seal.

Also Published As

Publication number Publication date
CA2117943A1 (en) 1995-05-05
GB2283518A (en) 1995-05-10
CA2117943C (en) 2005-03-15
GB2283518B (en) 1998-01-14

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20141013