GB2244074B - Control apparatus - Google Patents

Control apparatus

Info

Publication number
GB2244074B
GB2244074B GB9108202A GB9108202A GB2244074B GB 2244074 B GB2244074 B GB 2244074B GB 9108202 A GB9108202 A GB 9108202A GB 9108202 A GB9108202 A GB 9108202A GB 2244074 B GB2244074 B GB 2244074B
Authority
GB
United Kingdom
Prior art keywords
control apparatus
control
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 - Fee Related
Application number
GB9108202A
Other versions
GB9108202D0 (en
GB2244074A (en
Inventor
Robert Colin Pearson
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB9108202D0 publication Critical patent/GB9108202D0/en
Publication of GB2244074A publication Critical patent/GB2244074A/en
Application granted granted Critical
Publication of GB2244074B publication Critical patent/GB2244074B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing
    • E21B33/03—Well heads; Setting-up thereof
    • E21B33/035—Well heads; Setting-up thereof specially adapted for underwater installations
    • E21B33/0355—Control systems, e.g. hydraulic, pneumatic, electric, acoustic, for submerged well heads

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)
  • Fluid-Pressure Circuits (AREA)
GB9108202A 1990-04-18 1991-04-17 Control apparatus Expired - Fee Related GB2244074B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909008639A GB9008639D0 (en) 1990-04-18 1990-04-18 Improvements in or relating to remote control

Publications (3)

Publication Number Publication Date
GB9108202D0 GB9108202D0 (en) 1991-06-05
GB2244074A GB2244074A (en) 1991-11-20
GB2244074B true GB2244074B (en) 1994-04-13

Family

ID=10674561

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909008639A Pending GB9008639D0 (en) 1990-02-09 1990-04-18 Improvements in or relating to remote control
GB9108202A Expired - Fee Related GB2244074B (en) 1990-04-18 1991-04-17 Control apparatus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB909008639A Pending GB9008639D0 (en) 1990-02-09 1990-04-18 Improvements in or relating to remote control

Country Status (1)

Country Link
GB (2) GB9008639D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2266546B (en) * 1992-04-22 1995-07-19 Robert Colin Pearson Remote control apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1503963A (en) * 1974-06-10 1978-03-15 Chevron Res System for operating hydraulic apparatus
GB1537430A (en) * 1976-11-03 1978-12-29 Borsig Gmbh Actuating drive means
GB2089399A (en) * 1980-10-31 1982-06-23 Flopetrol Services Inc Hydraulic control method and system notably for underwater valves
WO1986001853A1 (en) * 1984-09-07 1986-03-27 Hydril Company Oilfield closing device operating system
GB2171177A (en) * 1985-02-15 1986-08-20 Egil Godal Method and apparatus for reducing the response time of remotely controlled, hydraulic control systems

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1503963A (en) * 1974-06-10 1978-03-15 Chevron Res System for operating hydraulic apparatus
GB1537430A (en) * 1976-11-03 1978-12-29 Borsig Gmbh Actuating drive means
GB2089399A (en) * 1980-10-31 1982-06-23 Flopetrol Services Inc Hydraulic control method and system notably for underwater valves
WO1986001853A1 (en) * 1984-09-07 1986-03-27 Hydril Company Oilfield closing device operating system
GB2171177A (en) * 1985-02-15 1986-08-20 Egil Godal Method and apparatus for reducing the response time of remotely controlled, hydraulic control systems

Also Published As

Publication number Publication date
GB9008639D0 (en) 1990-06-13
GB9108202D0 (en) 1991-06-05
GB2244074A (en) 1991-11-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970417