NL7314658A - - Google Patents

Info

Publication number
NL7314658A
NL7314658A NL7314658A NL7314658A NL7314658A NL 7314658 A NL7314658 A NL 7314658A NL 7314658 A NL7314658 A NL 7314658A NL 7314658 A NL7314658 A NL 7314658A NL 7314658 A NL7314658 A NL 7314658A
Authority
NL
Netherlands
Application number
NL7314658A
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 filed Critical
Publication of NL7314658A publication Critical patent/NL7314658A/xx

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
    • E21B33/127—Packers; Plugs with inflatable sleeve
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • E21B21/103—Down-hole by-pass valve arrangements, i.e. between the inside of the drill string and the annulus
NL7314658A 1972-10-25 1973-10-25 NL7314658A (xx)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB4913772 1972-10-25
GB56473A GB1452272A (en) 1972-10-25 1973-01-04 Method and means for controlling kicks during operations in a boreholde penetrating subsurface formations
GB4247273 1973-09-10

Publications (1)

Publication Number Publication Date
NL7314658A true NL7314658A (xx) 1974-04-29

Family

ID=27253735

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7314658A NL7314658A (xx) 1972-10-25 1973-10-25

Country Status (6)

Country Link
CA (1) CA978179A (xx)
DE (1) DE2353128C2 (xx)
FR (1) FR2204754B1 (xx)
GB (1) GB1452272A (xx)
IT (1) IT996877B (xx)
NL (1) NL7314658A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114645688A (zh) * 2020-12-17 2022-06-21 中国石油化工股份有限公司 一种用于封隔井下高压地层溢流的随钻封隔器

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO871995D0 (no) * 1987-05-14 1987-05-14 Smedvig A S Peder Utblaasningssikring.
AU2016376008B2 (en) 2015-12-23 2022-07-14 Schlumberger Technology B.V. Downhole apparatus and methods of use
EP3394384A1 (en) 2015-12-23 2018-10-31 Peak Well Services Pty Ltd. Expanding and collapsing apparatus and methods of use
AU2016376009B2 (en) 2015-12-23 2022-04-07 Schlumberger Technology B.V. Torque transfer apparatus and methods of use
GB201522725D0 (en) 2015-12-23 2016-02-03 Peak Well Systems Pty Ltd Expanding and collapsing apparatus and methods of use
GB2545817B (en) * 2015-12-23 2020-03-04 Peak Well Systems Pty Ltd Expanding and collapsing apparatus and methods of use
CN108661579B (zh) * 2017-03-27 2023-12-12 中国石油化工股份有限公司 一种伸缩式连续冲砂装置及方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3427651A (en) * 1966-11-23 1969-02-11 Exxon Production Research Co Well control

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114645688A (zh) * 2020-12-17 2022-06-21 中国石油化工股份有限公司 一种用于封隔井下高压地层溢流的随钻封隔器

Also Published As

Publication number Publication date
DE2353128A1 (de) 1974-05-09
DE2353128C2 (de) 1984-05-17
CA978179A (en) 1975-11-18
IT996877B (it) 1975-12-10
FR2204754A1 (xx) 1974-05-24
FR2204754B1 (xx) 1978-11-17
GB1452272A (en) 1976-10-13

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Legal Events

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BB A search report has been drawn up
BV The patent application has lapsed