GB1247362A - Apparatus for positioning an object - Google Patents

Apparatus for positioning an object

Info

Publication number
GB1247362A
GB1247362A GB921068A GB921068A GB1247362A GB 1247362 A GB1247362 A GB 1247362A GB 921068 A GB921068 A GB 921068A GB 921068 A GB921068 A GB 921068A GB 1247362 A GB1247362 A GB 1247362A
Authority
GB
United Kingdom
Prior art keywords
contacts
pulley
line
sea
floating platform
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
Application number
GB921068A
Inventor
Peter Barry Fuller
Robert Mortimore Penney
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.)
HYDRAULIC DRILLING EQUIPMENT L
Original Assignee
HYDRAULIC DRILLING EQUIPMENT L
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 HYDRAULIC DRILLING EQUIPMENT L filed Critical HYDRAULIC DRILLING EQUIPMENT L
Priority to GB921068A priority Critical patent/GB1247362A/en
Publication of GB1247362A publication Critical patent/GB1247362A/en
Expired 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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/09—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods specially adapted for drilling underwater formations from a floating support using heave compensators supporting the drill string
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/02—Devices for facilitating retrieval of floating objects, e.g. for recovering crafts from water
    • 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
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts
    • E21B15/02—Supports for the drilling machine, e.g. derricks or masts specially adapted for underwater drilling

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)

Abstract

1,247,362. Trimming ships. HYDRAULIC DRILLING EQUIPMENT Ltd. 27 May, 1969 [26 Feb., 1968], No. 9210/68. Heading B7M. [Also in Division E1] A floating platform or ship is stabilized by sensing its movement relative to a datum position, e.g. the sea-bed, and actuating a swashplate-controlled hydraulic drive to reduce the movement. The invention is shown in Fig. 1 as applied to a drilling rig 2, 3, 4 mounted on a floating platform 1, but may be applied to the platform itself. A line 24 extends from a weight 28 on the sea bed round a pulley 25 to a spring-biased winch 23, and rotation of the pulley 25 is detected by contacts 30, 31. These contacts thus detect vertical motion, but a set of contacts 32, e.g. four such contacts, arranged around the line 24, detect horizontal motion. To reduce surface effects, e.g. of wind, a rigid sleeve may surround the wire and depend into the water.
GB921068A 1968-02-26 1968-02-26 Apparatus for positioning an object Expired GB1247362A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB921068A GB1247362A (en) 1968-02-26 1968-02-26 Apparatus for positioning an object

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB921068A GB1247362A (en) 1968-02-26 1968-02-26 Apparatus for positioning an object

Publications (1)

Publication Number Publication Date
GB1247362A true GB1247362A (en) 1971-09-22

Family

ID=9867550

Family Applications (1)

Application Number Title Priority Date Filing Date
GB921068A Expired GB1247362A (en) 1968-02-26 1968-02-26 Apparatus for positioning an object

Country Status (1)

Country Link
GB (1) GB1247362A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2526610A1 (en) * 1974-06-13 1976-01-02 Global Marine Inc STABILIZATION SYSTEM FOR A DISMANTLING SHIP
WO1981001402A1 (en) * 1979-11-17 1981-05-28 Caley Hydraulics Ltd Heave compensator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2526610A1 (en) * 1974-06-13 1976-01-02 Global Marine Inc STABILIZATION SYSTEM FOR A DISMANTLING SHIP
WO1981001402A1 (en) * 1979-11-17 1981-05-28 Caley Hydraulics Ltd Heave compensator

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