GB2283518B - A seal for a wellbore annulus - Google Patents
A seal for a wellbore annulusInfo
- Publication number
- GB2283518B GB2283518B GB9420807A GB9420807A GB2283518B GB 2283518 B GB2283518 B GB 2283518B GB 9420807 A GB9420807 A GB 9420807A GB 9420807 A GB9420807 A GB 9420807A GB 2283518 B GB2283518 B GB 2283518B
- Authority
- GB
- United Kingdom
- Prior art keywords
- seal
- wellbore annulus
- wellbore
- annulus
- 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
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
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 GB9420807D0 (en) | 1994-11-30 |
GB2283518A GB2283518A (en) | 1995-05-10 |
GB2283518B true 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) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1183644A (en) * | 1967-01-03 | 1970-03-11 | Rockwell Mfg Co | Seal. |
-
1994
- 1994-10-12 CA CA002117943A patent/CA2117943C/en not_active Expired - Lifetime
- 1994-10-14 GB GB9420807A patent/GB2283518B/en not_active Expired - Lifetime
Patent Citations (1)
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 |
GB9420807D0 (en) | 1994-11-30 |
CA2117943C (en) | 2005-03-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |
Expiry date: 20141013 |