CA947646A - Well tools and gripping members therefor - Google Patents
Well tools and gripping members thereforInfo
- Publication number
- CA947646A CA947646A CA156,509A CA156509A CA947646A CA 947646 A CA947646 A CA 947646A CA 156509 A CA156509 A CA 156509A CA 947646 A CA947646 A CA 947646A
- Authority
- CA
- Canada
- Prior art keywords
- gripping members
- well tools
- members therefor
- therefor
- tools
- 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
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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/01—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/129—Packers; Plugs with mechanical slips for hooking into the casing
- E21B33/1291—Packers; Plugs with mechanical slips for hooking into the casing anchor set by wedge or cam in combination with frictional effect, using so-called drag-blocks
- E21B33/1292—Packers; Plugs with mechanical slips for hooking into the casing anchor set by wedge or cam in combination with frictional effect, using so-called drag-blocks with means for anchoring against downward and upward movement
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Jigs For Machine Tools (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20974471A | 1971-12-20 | 1971-12-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA947646A true CA947646A (en) | 1974-05-21 |
Family
ID=22780083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA156,509A Expired CA947646A (en) | 1971-12-20 | 1972-11-15 | Well tools and gripping members therefor |
Country Status (8)
Country | Link |
---|---|
US (1) | US3714984A (fr) |
AR (1) | AR209574A1 (fr) |
AU (1) | AU4915772A (fr) |
CA (1) | CA947646A (fr) |
DE (1) | DE2263195C3 (fr) |
FR (1) | FR2164747B1 (fr) |
GB (1) | GB1395014A (fr) |
NL (1) | NL7217266A (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3818987A (en) * | 1972-11-17 | 1974-06-25 | Dresser Ind | Well packer and retriever |
US3804164A (en) * | 1973-04-09 | 1974-04-16 | Dresser Ind | Well packer apparatus having improved hydraulically-actuated anchor assembly |
US3976134A (en) * | 1973-11-01 | 1976-08-24 | Dresser Industries, Inc. | Mandrel locking sleeve |
US3851705A (en) * | 1973-11-02 | 1974-12-03 | Dresser Ind | Dual hydraulically actuated oil well packer |
US3858648A (en) * | 1973-11-02 | 1975-01-07 | Dresser Ind | Dual string hydraulically actuated oil well packer |
US3851707A (en) * | 1973-11-02 | 1974-12-03 | Dresser Ind | Uni-directional unitary anchor slip |
US4018273A (en) * | 1975-05-22 | 1977-04-19 | Dresser Industries, Inc. | Mandrel locking sleeve |
US4029147A (en) * | 1975-10-23 | 1977-06-14 | Dresser Industries, Inc. | Gripping member for well packer |
US4151876A (en) * | 1977-10-25 | 1979-05-01 | Dresser Industries, Inc. | Single string retrievable well packers |
US8678083B2 (en) * | 2011-04-18 | 2014-03-25 | Baker Hughes Incorporated | Expandable liner hanger with helically shaped slips |
-
1971
- 1971-12-20 US US00209744A patent/US3714984A/en not_active Expired - Lifetime
-
1972
- 1972-11-15 CA CA156,509A patent/CA947646A/en not_active Expired
- 1972-11-22 GB GB5405472A patent/GB1395014A/en not_active Expired
- 1972-11-22 AU AU49157/72A patent/AU4915772A/en not_active Expired
- 1972-12-15 AR AR245690A patent/AR209574A1/es active
- 1972-12-19 NL NL7217266A patent/NL7217266A/xx not_active Application Discontinuation
- 1972-12-20 FR FR7245443A patent/FR2164747B1/fr not_active Expired
- 1972-12-20 DE DE2263195A patent/DE2263195C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3714984A (en) | 1973-02-06 |
DE2263195B2 (de) | 1979-01-18 |
FR2164747B1 (fr) | 1977-02-04 |
DE2263195C3 (de) | 1979-09-13 |
NL7217266A (fr) | 1973-06-22 |
AU4915772A (en) | 1974-05-23 |
DE2263195A1 (de) | 1973-07-05 |
AR209574A1 (es) | 1977-05-13 |
FR2164747A1 (fr) | 1973-08-03 |
GB1395014A (en) | 1975-05-21 |
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