US3486737A - Apparatus for skidding a load on a support - Google Patents

Apparatus for skidding a load on a support Download PDF

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Publication number
US3486737A
US3486737A US701780A US3486737DA US3486737A US 3486737 A US3486737 A US 3486737A US 701780 A US701780 A US 701780A US 3486737D A US3486737D A US 3486737DA US 3486737 A US3486737 A US 3486737A
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United States
Prior art keywords
load
roller
skidding
rig
support
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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
Application number
US701780A
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English (en)
Inventor
Erwin A Campbell
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.)
Lee C Moore Corp
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Lee C Moore Corp
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Filing date
Publication date
Application filed by Lee C Moore Corp filed Critical Lee C Moore Corp
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Publication of US3486737A publication Critical patent/US3486737A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F1/00—Devices, e.g. jacks, for lifting loads in predetermined steps
    • B66F1/02—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts
    • B66F1/025—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the devices being operated by fluid pressure
    • 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
    • E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells

Definitions

  • a horizontally extendable device has one end connected to a load resting on a support, and a roller connected to the opposite end beneath the load.
  • Lifting means are Operable between the roller and the, support to lift the roller when the extendable device is actuated, whereupon some or all of the load is transferred to the roller and through it and the lifting means to the support.
  • skidding the load When it is desired to move a heavy load on a support in a straight line or in an arc, the moving sometimes is done by skidding the load. For example, when drilling wells from a platform at sea it is customary to skid the drilling rig on the platform from one well location to another. This commonly is done by means of double acting hydraulic cylinders that skid the rig in a series of short steps, between which thepistons are retracted in the cylinders for the next stroke.
  • the skidding apparatus is furnished with lugs that project through holes in the platform. The holes are spaced to coincide with the stroke of the cylinders.
  • FIG. 1 is a side view of an oil well derrick base on a substructure
  • FIG. 2 is an enlarged fragmentary side View
  • FIG. 3 is a similar view after the load has been skidded to the left;
  • FIGS. 4 and 5 are fragmentary horizontal sections taken on the lines IVIV and VV, respectively, of FIG. 2; and FIGS. 6 and 7 are vertical sections taken on the lines VI-VI and VIIVII, respectively, of FIG. 2.
  • a heavy load in this case an oil well drilling rig 1, rests on a support that may be a marine platform 2 rigidly mounted above a body of water.
  • the bottom of the drilling rig is formed by skids that are supported by parallel horizontal girders 3 forming part of the top of the platform.
  • skidding apparatus is disposed in the gap in the bottom of "ice each side of the rig.
  • Each apparatus includes a horizontally extendable device of suitable form. It could consist of a horizontal screw jack, but a hydraulic ram is preferred because of the ease with which power can be supplied to it from an external source.
  • the cylinder 10 of the ram contains a double acting piston 11 connected to the inner end of a piston rod 12 that extends out of one end of the cylinder.
  • One end of the ram is connected to the rig.
  • the head of the cylinder is provided with a clevis 13 that is connected by a horizontal pin 14 to a bracket 15 secured to the inner end of one of the skids, such as skid 4.
  • Another clevis 17 is secured to the outer end of the piston rod and rotatably supports roller means, such as one or more rollers 18, on a horizontal axis parallel to pin 14.
  • the axles of the roller are journalled in clevis 17 and project outwardly from it to pivotally receive the upper ends of a pair of links 19.
  • These links are inclined downwardly and outwardly away from the piston rod.
  • the lower ends of the links are pivotally connected to a friction shoe 20 resting on top of the underlying platform girder.
  • the pivotal connection can be made by means of a transverse pin 21 extending through the lower ends of the links and also through upwardly projecting bearing members 22 on the shoe.
  • the lower ends of the links are integrally connected by a cross member 23 extending away from the cylinder and spaced from the top of the shoe. In such a case the links become, in effect, a single bifurcated link as shown in FIG. 4.
  • clevis 17 also is provided with an integral cross member 26 spaced above cross member 23. Compressed between these two cross members there is a vertical coil spring 27 that urges the shoe downwardly and the roller upwardly while the apparatus is in its unextended position. When such a spring is used, it will press the roller lightly against an overlying track surface of the rig.
  • this surface is the bottom of a wear plate 28 that is secured to beam 6 at the top of the gap between the skids. The plate extends from the roller away from the cylinder a distance a little greater than the stroke of the piston.
  • the lifting means which include the links and shoe, are operated to lift the roller. That is, the upper ends of links 19 are swung to the right and upward. The links therefore press the roller tightly up against the wear plate and simultaneously press the shoe down on the supporting girder tightly enough to prevent the shoe from slipping.
  • the roller rising in an arc, tends to lift that side of the rigf-rom the platform.
  • the plate preferably is provided with laterally spaced, downwardly extending flanges 30 that help keep the plate and roller centered. There is no danger of the piston rod pushing the roller back over center and allOWing the load to set down again, because link cross member 23 would engage the top of the shoe before that could happen.
  • the apparatus just described is lifting the rig and skidding it, the similar apparatus at the opposite side of the rig is doing the same thing.
  • skidding apparatuses can be used so that all of the load will be transferred to the rollers and friction shoes during skidding.
  • skidding apparatus has been described as pushing the rig along the platform, it will be understood that by a simple reversal of some of the parts equivalent apparatus can be provided that will pull the rig along. All that has to be done is to locate the cylinder and piston rod on the right-hand side of the roller in the drawing and connect the head of the cylinder to skid 5 instead of to skid 4. The rod normally will be extended. When it is pulled into the cylinder, the roller will be swung up to lift the rig and then the rig will be pulled to the left by the cylinder.
  • said lifting means include a link pivotally connected with said opposite end of said device on a horizontal axis and inclined downwardly and away from said device, and a friction shoe resting on said support and pivotally connected to the lower end of said link.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)
US701780A 1968-01-30 1968-01-30 Apparatus for skidding a load on a support Expired - Lifetime US3486737A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70178068A 1968-01-30 1968-01-30

Publications (1)

Publication Number Publication Date
US3486737A true US3486737A (en) 1969-12-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
US701780A Expired - Lifetime US3486737A (en) 1968-01-30 1968-01-30 Apparatus for skidding a load on a support

Country Status (4)

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US (1) US3486737A (nl)
FR (1) FR1595166A (nl)
GB (1) GB1189749A (nl)
NL (1) NL143013B (nl)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3559954A (en) * 1969-01-15 1971-02-02 Hydranautics Hydraulic gripper and moving jack
US3993206A (en) * 1974-02-08 1976-11-23 Mitsubishi Jukogyo Kabushiki Kaisha Power slide mechanism
US4014266A (en) * 1974-10-04 1977-03-29 Paul Anderson Industrier Ab Transport track and sliding carriage for moving heavy loads
US4615508A (en) * 1984-11-05 1986-10-07 Lee C. Moore Corporation Apparatus for skidding a load on a support
US20050274649A1 (en) * 2004-06-09 2005-12-15 Spadaccini Louis J Method for suppressing oxidative coke formation in liquid hydrocarbons containing metal
US20100038088A1 (en) * 2008-08-15 2010-02-18 Frank Benjamin Springett Multi-function multi-hole drilling rig
US20100147524A1 (en) * 2008-08-15 2010-06-17 Frank Benjamin Springett Multi-function multi-hole drilling rig
WO2014158025A1 (en) 2013-03-28 2014-10-02 Ihc Holland Ie B.V. Skidding system for an offshore installation or vessel
US9091126B2 (en) 2012-04-17 2015-07-28 National Oilwell Varco, L.P. Mobile drilling rig with telescoping substructure boxes
US20160115741A1 (en) * 2014-10-24 2016-04-28 Ardy Rigging Ltd. Rig skidding system
US9464488B2 (en) 2013-09-30 2016-10-11 National Oilwell Varco, L.P. Performing simultaneous operations on multiple wellbore locations using a single mobile drilling rig
CN106194121A (zh) * 2016-08-02 2016-12-07 任丘市立信石油机械制造有限公司 底座平移装置
WO2018093254A1 (en) 2016-11-15 2018-05-24 Ihc Holland Ie B.V. Device for transporting, in. particular skidding or jacking, a heavy object

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118996A (en) * 1982-04-24 1983-11-09 Perard Torque Tension Ltd Self-advanceable mining apparatus
FR2552488B1 (fr) * 1983-09-23 1985-12-13 Creusot Loire Procede et dispositif de chargement des elements tubulaires ou des tiges de forage sur un mat de forage

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3033525A (en) * 1958-10-28 1962-05-08 Dresser Ind Force-transmitting device
US3373971A (en) * 1966-02-01 1968-03-19 Hydranautics Hydraulic gripper for derrick jack

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3033525A (en) * 1958-10-28 1962-05-08 Dresser Ind Force-transmitting device
US3373971A (en) * 1966-02-01 1968-03-19 Hydranautics Hydraulic gripper for derrick jack

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3559954A (en) * 1969-01-15 1971-02-02 Hydranautics Hydraulic gripper and moving jack
US3993206A (en) * 1974-02-08 1976-11-23 Mitsubishi Jukogyo Kabushiki Kaisha Power slide mechanism
US4014266A (en) * 1974-10-04 1977-03-29 Paul Anderson Industrier Ab Transport track and sliding carriage for moving heavy loads
US4615508A (en) * 1984-11-05 1986-10-07 Lee C. Moore Corporation Apparatus for skidding a load on a support
US20050274649A1 (en) * 2004-06-09 2005-12-15 Spadaccini Louis J Method for suppressing oxidative coke formation in liquid hydrocarbons containing metal
WO2010019858A1 (en) * 2008-08-15 2010-02-18 National Oilwell Varco L.P. Multi-function multi-hole drilling rig
US20100147524A1 (en) * 2008-08-15 2010-06-17 Frank Benjamin Springett Multi-function multi-hole drilling rig
US8181698B2 (en) 2008-08-15 2012-05-22 National Oilwell Varco L.P. Multi-function multi-hole drilling rig
US8181697B2 (en) 2008-08-15 2012-05-22 National Oilwell Varco L.P. Multi-function multi-hole drilling rig
US20100038088A1 (en) * 2008-08-15 2010-02-18 Frank Benjamin Springett Multi-function multi-hole drilling rig
US9366053B2 (en) 2012-04-17 2016-06-14 National Oilwell Varco, L.P. Mobile drilling rig with telescoping substructure boxes
US9091126B2 (en) 2012-04-17 2015-07-28 National Oilwell Varco, L.P. Mobile drilling rig with telescoping substructure boxes
US9869109B2 (en) 2012-04-17 2018-01-16 National Oilwell Varco, L.P. Drilling rig mast erection system
WO2014158025A1 (en) 2013-03-28 2014-10-02 Ihc Holland Ie B.V. Skidding system for an offshore installation or vessel
US20160052606A1 (en) * 2013-03-28 2016-02-25 Ihc Holland Ie B.V. Skidding system for an offshore installation or vessel
US9889908B2 (en) * 2013-03-28 2018-02-13 Ihc Holland Ie B.V. Skidding system for an offshore installation or vessel
US9464488B2 (en) 2013-09-30 2016-10-11 National Oilwell Varco, L.P. Performing simultaneous operations on multiple wellbore locations using a single mobile drilling rig
US20160115741A1 (en) * 2014-10-24 2016-04-28 Ardy Rigging Ltd. Rig skidding system
US9624734B2 (en) * 2014-10-24 2017-04-18 Ardy Rigging Ltd. Rig skidding system
CN106194121A (zh) * 2016-08-02 2016-12-07 任丘市立信石油机械制造有限公司 底座平移装置
WO2018093254A1 (en) 2016-11-15 2018-05-24 Ihc Holland Ie B.V. Device for transporting, in. particular skidding or jacking, a heavy object
US11603711B2 (en) 2016-11-15 2023-03-14 Ihc Holland Ie B.V. Device for transporting, in particular skidding or jacking, a heavy object

Also Published As

Publication number Publication date
NL143013B (nl) 1974-08-15
FR1595166A (nl) 1970-06-08
NL6818795A (nl) 1969-08-01
GB1189749A (en) 1970-04-29

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