WO2009155639A1 - Drilling platform - Google Patents
Drilling platform Download PDFInfo
- Publication number
- WO2009155639A1 WO2009155639A1 PCT/AU2009/000792 AU2009000792W WO2009155639A1 WO 2009155639 A1 WO2009155639 A1 WO 2009155639A1 AU 2009000792 W AU2009000792 W AU 2009000792W WO 2009155639 A1 WO2009155639 A1 WO 2009155639A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- supporting structure
- legs
- platform
- rotatable portion
- drilling equipment
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000000523 sample Substances 0.000 description 8
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/006—Means for anchoring the drilling machine to the ground
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/02—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
- E02B17/021—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto with relative movement between supporting construction and platform
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
- E02B17/08—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
- E02B17/0809—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering the equipment being hydraulically actuated
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
- E21B7/024—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting having means for adapting to inclined terrain; having means for stabilizing the vehicle while drilling
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0039—Methods for placing the offshore structure
- E02B2017/0043—Placing the offshore structure on a pre-installed foundation structure
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0056—Platforms with supporting legs
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0056—Platforms with supporting legs
- E02B2017/0073—Details of sea bottom engaging footing
- E02B2017/0082—Spudcans, skirts or extended feet
Definitions
- the present invention relates to a platform on which machinery and other apparatuses can be operated.
- the invention has particular application as a platform on which geological sample drilling equipment can be located and operated.
- the invention is envisaged for use on land (as opposed to in the ocean), particularly in environmentally sensitive terrain.
- the drilling equipment such as a drill rig
- the drilling equipment must be located on substantially flat terrain. This means that earth moving equipment must often be utilised to clear and level a space for the drill rig before it can be deployed.
- drilling operations at a single site will require clearing of about 30m 2 .
- samples will typically be taken at a number of sites in a particular area, and thus the total amount of clearing required will be several times this figure.
- this degree of clearing is highly undesirable.
- the degree of environmental sensitivity may mean that drilling can not be undertaken at all.
- the problems of clearing land for drilling can require such additional regulation and oversight as to greatly impinge on the profitability of the exploration being undertaken.
- the present invention seeks to provide a means by which drilling can be undertaken with a reduced environmental impact or 'footprint'.
- Other advantages and uses of the invention will become apparent from the following description.
- a supporting structure for geological sample drilling equipment comprising a platform on which geological sample drilling equipment can be positioned, and a plurality of legs, at least some of which are variable length, which support the platform above the ground, in use.
- all of the legs are independently variable in length.
- the supporting structure When used on sloping or irregular terrain, the supporting structure might be most stably positioned in a particular angular configuration determined by the ground conditions. This angular configuration may not correlate to a desired angle for drilling.
- the platform of the supporting rig includes a rotatable portion on which the drilling equipment may be positioned, the rotatable portion being able to rotate relative to the position of the legs.
- the rotatable portion rotates about an axis substantially parallel to an elongate direction of the legs, that is, about a substantially vertical axis in use. This allows the drill rig to be angularly positioned (aligned) independently of the positioning of the supporting structure legs.
- the legs may thus be located to provide maximum stability to the platform, with the precise orientation of the drilling equipment to be determined by rotation of the rotatable portion of the platform. Further, drilling may occur at a number of locations about the supporting structure periphery, without the need for relocation of the legs.
- Each leg may have more than one mechanism for varying its length.
- the legs may be modular, and be formed from a plurality of modules arranged to be coupled together in order to change the leg length by a discrete amount.
- the legs may include a continuously variable adjustment means, such as feet which can be extended from or withdrawn into the legs by suitable means, such as hydraulic control. This allows the modules to be used to approximate the required leg length, and the adjustment means to be used for 'fine tuning' to provide the precise length required.
- the leg modules are cylindrical sections including flanges at either end to allow coupling to adjacent modules.
- the legs may include a plurality of telescoping members.
- the platform has two parts, an annular fixed portion and a circular rotatable portion, located centrally within the annular portion.
- the annular fixed portion may be comprised in part by a plurality of independently removable sections. This allows a section to be removed to permit the use of drilling or other equipment between any removed section.
- the nature of the annular section allows flexibility of annulus size dependent on the level of confinement on a particular site.
- the supporting structure includes a substantially circular force transferring ring, on which the legs and annular portion are fixed and which supports the rotatable portion.
- the force transferring ring may include a track in which supporting rollers for the rotatable portion are located.
- the rotatable portion may include releasable fixing means, such that when the fixing means is in a first position the rotatable portion is able to rotate relative to the fixed portion, and when the fixing means is in a second position the rotatable portion is restricted from rotation relative to the fixing means.
- the supporting structure is preferably formed from a plurality of parts which may be connected by suitable means, such as bolting, whereby each of the parts can be carried manually. It is envisaged that the structure may be assembled on- site. It will be appreciated that the supporting structure can additionally provide a stable, horizontal and directionally variable mounting platform for other machinery, including operating as a fixed platform for landing helicopters.
- a supporting structure for apparatus comprising a platform, and a plurality of legs, each of variable length, which support the platform above the ground, wherein the platform includes a rotatable portion on which the apparatus may be positioned, the rotatable portion being able to rotate relative to the position of the legs.
- the apparatus may, for instance, be geological sample drilling equipment, or it may be a helicopter.
- a method of locating geological sample drilling equipment for use including the steps of providing a supporting structure for the drilling equipment, the structure comprising a platform having a rotatable portion on which the drilling equipment can be positioned, and a plurality of legs, each of variable length, which support the platform above the ground, locating the supporting structure such that the legs support the platform, positioning the drilling equipment on the rotatable portion, and rotating the portion such that the drilling equipment is oriented in a desired direction.
- Figure 1 is an upper perspective of a drilling equipment supporting structure in accordance with the present invention
- Figure 2 is a lower perspective of the drilling equipment supporting structure of Figure 1 ;
- Figure 3 is a side view of the drilling equipment supporting structure of Figure 1 ;
- Figure 4 is a perspective of a supporting framework for a rotatable portion of a platform within the supporting structure of Figure 1. DESCRIPTION OF PREFERRED EMBODIMENT
- FIGs 1 to 3 show a supporting structure 10 which is arranged to support geological sample drilling equipment (not shown).
- the supporting structure 10 includes a circular platform 12 which is supported by four legs 14.
- the legs 14 are evenly spaced around a periphery of the platform 12.
- the key structural element of the supporting structure 10 is a substantially circular force transferring ring 16.
- the ring 16 is formed by two circular C-channel members, an inner member 18 having the channel opening inwardly with the web defining an outer diameter, and an outer member 20 having the channel opening outwardly, with the web defining an inner diameter.
- the respective webs of the inner and outer members 18, 20 are joined by suitable means such as bolts.
- Each of the legs 14 is formed from a plurality of cylindrical modules 22.
- Each of the modules 22 has an upper flange and a lower flange, allowing adjacent modules to be bolted to each other.
- the length of the legs 14 can thus be determined by the number and size of modules used to form leg 14.
- An upper module 22a of each leg 14 is fixed to the ring 16.
- a lower module 22b of each leg 14 has a foot 24 extending outwardly there from.
- Each foot 24 is mounted on a shaft 26 which is arranged to move under hydraulic power into or out of the respective lower module 22b. The effective length of the shaft 26 can thus be readily adjusted.
- the platform 12 has two parts, a circular rotatable portion 30 and a fixed annular portion 32.
- the circular rotatable portion 30 includes a level surface 34 which is supported by a framework 36.
- the framework 36 includes a plurality of roller couplings 38 spaced about its circumference.
- the roller couplings 38 are arranged to receive rollers (not shown), which locate with a track defined by the ring 16 and permit rotation of the circular rotatable portion with respect to the ring 16.
- the circular rotatable portion 30 also includes a releasable fixing means in the form of a plurality of brakes 40.
- the brakes 40 are mounted to the framework 36, and are selectively operable with the ring 16. When the brakes 40 are engaged with the ring 16, the circular portion 30 is restricted from rotating relative to the ring 16 and the legs 14. When the brakes 40 are not engaged with the ring 16, the circular portion can freely rotate relative to the ring 16.
- the fixed annular portion 32 includes a level surface 50 which is co-planar with the level surface 34 of the rotatable portion 30, and which extends around the rotatable portion 30.
- the level surface 50 is secured to the ring 16 by means of a supporting framework 52.
- the supporting framework 52 includes a plurality of radial supports 54, with adjacent radial supports 54 connected by an outer connecting member 56.
- a level surface 50 is formed from a number of interlocking sections, with each portion of the level surface 50 being supported between adjacent radial supports 54 by a single connecting member 56. It is thus possible to remove a single section of the level surface 50 without affecting the remainder of the level surface 50.
- each section corresponds to a 45° curvature of the annular portion 32.
- the supporting platform 10 may be assembled on site.
- Each of the components described above is formed from readily connectable parts, each of which can be carried manually.
- the legs 14 are each constructed such that the ring 16 connecting their upper modules 22a is substantially horizontal. This will require choosing a suitable type and number of modules 22 for each leg 14. In order to make the platform 12 perfectly horizontal, some hydraulic adjustment of each foot 24 within its lower module 22b may be required.
- the platform 12 can then be assembled onto the ring 16, and drilling equipment placed upon the circular rotatable portion 30.
- the rotatable portion 30 is then rotated to bring the drilling equipment to its desired angular position. This will involve the drilling equipment being directed to drill ostensibly through the fixed annular portion 32. In order to allow drilling to proceed, the relevant section of the annular portion 32 can be removed. Where drilling is required within the radius of the ring 16, a portion of the circular rotatable portion 30 may be similarly removed. Prior to drilling the brakes 40 may be engaged, to ensure that the platform
- the section of the annular portion 32 can be replaced, and the brakes disengaged.
- the rotatable portion 30 can then be rotated to bring the drill to another desired angular location, and the above process repeated.
- drilling can therefore take place with the drilling equipment supported sufficiently highly from the ground that the only impact to the environment, other than where the drill is penetrating the ground, is beneath the feet 24. It is envisaged that this will reduce the local ground disturbing footprint from within the order of 30m 2 to within the order of 1 m 2 .
- the supporting structure has been described for use in relation to drilling, it may have other valuable uses. For instance, it may provide a landing site for a helicopter which is both safer and has a smaller environmental impact than landing pads currently in use. Other uses and advantages will be apparent to a skilled user.
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
- Earth Drilling (AREA)
Abstract
Description
Claims
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009801238885A CN102084067A (en) | 2008-06-23 | 2009-06-22 | Drilling platform |
NZ590482A NZ590482A (en) | 2008-06-23 | 2009-06-22 | Drilling or landing platform with central rotatable segment and variable leg height adjustment. |
CA2729047A CA2729047A1 (en) | 2008-06-23 | 2009-06-22 | Drilling platform |
AP2011005535A AP2011005535A0 (en) | 2008-06-23 | 2009-06-22 | Drilling platform. |
BRPI0914249A BRPI0914249A2 (en) | 2008-06-23 | 2009-06-22 | support structure for geological sample drilling rig, and method for locating geological sample drilling rig for use. |
MX2010014308A MX2010014308A (en) | 2008-06-23 | 2009-06-22 | Drilling platform. |
EA201100238A EA201100238A1 (en) | 2008-06-23 | 2009-06-22 | DRILLING PLATFORM |
EP09768612.5A EP2315881A4 (en) | 2008-06-23 | 2009-06-22 | Drilling platform |
AU2009262340A AU2009262340A1 (en) | 2008-06-23 | 2009-06-22 | Drilling platform |
US12/930,004 US20110139043A1 (en) | 2008-03-27 | 2010-12-23 | Drilling platform |
ZA2011/00675A ZA201100675B (en) | 2008-06-23 | 2011-01-20 | Drilling platform |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2008903188 | 2008-06-23 | ||
AU2008903188A AU2008903188A0 (en) | 2008-06-23 | Drilling platform |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009155639A1 true WO2009155639A1 (en) | 2009-12-30 |
Family
ID=41443896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AU2009/000792 WO2009155639A1 (en) | 2008-03-27 | 2009-06-22 | Drilling platform |
Country Status (13)
Country | Link |
---|---|
US (1) | US20110139043A1 (en) |
EP (1) | EP2315881A4 (en) |
CN (1) | CN102084067A (en) |
AP (1) | AP2011005535A0 (en) |
AU (1) | AU2009262340A1 (en) |
BR (1) | BRPI0914249A2 (en) |
CA (1) | CA2729047A1 (en) |
CL (1) | CL2010001507A1 (en) |
EA (1) | EA201100238A1 (en) |
MX (1) | MX2010014308A (en) |
NZ (1) | NZ590482A (en) |
WO (1) | WO2009155639A1 (en) |
ZA (1) | ZA201100675B (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012123002A1 (en) * | 2011-03-11 | 2012-09-20 | Rheinmetall Air Defence Ag | Device for monitoring and/or defence purposes in the maritime field |
WO2011147481A3 (en) * | 2010-05-28 | 2012-10-18 | Siemens Aktiengesellschaft | Offshore foundation structure, offshore foundation and method of establishing the same |
WO2012123405A3 (en) * | 2011-03-11 | 2012-11-22 | Rheinmetall Air Defence Ag | Measuring device for measuring the 3d movement between two objects, measuring device for a maritime observation and defence platform, and platform |
NO20171835A1 (en) * | 2017-11-17 | 2019-05-20 | Comrod As | System and procedure for positioning a drilling rig |
EP3584369A1 (en) * | 2018-06-18 | 2019-12-25 | Vallourec Deutschland GmbH | Device for levelling an offshore foundation construction |
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---|---|---|---|---|
CN102444110B (en) * | 2011-09-28 | 2013-09-25 | 中国石油大学(华东) | Offshore multi-directional self-elevating petroleum drilling platform |
CN102889082A (en) * | 2012-10-12 | 2013-01-23 | 无锡市张泾宇钢机械厂 | Mining machinery operation supporting platform |
CN103090158A (en) * | 2012-12-26 | 2013-05-08 | 青岛海斯壮铁塔有限公司 | Adjustable support device of underwater rotating machinery |
US9488014B2 (en) | 2013-11-25 | 2016-11-08 | Unit Corporation | Box-on-box self-stacking substructure for a drill rig |
CN104929531B (en) * | 2015-05-28 | 2017-05-24 | 李晓敏 | Multifunctional environment-friendly movable platform for oilfield operation |
NL2017637B1 (en) * | 2016-10-18 | 2018-04-26 | Ulstein Design & Solutions B V | Self-propelled jack-up vessel |
CN108020650B (en) * | 2017-11-28 | 2020-08-25 | 山东大学 | Miniature full-section drilling arrangement device for model test and application thereof |
US11072401B2 (en) * | 2020-09-25 | 2021-07-27 | Yona Becher | Offshore floating living premises, laboratory and submersible plankton pump tower pump and submersible aerated research manned actuated vehicle |
CN113404525B (en) * | 2021-07-21 | 2022-06-28 | 太原理工大学 | Ring type drilling and anchoring machine |
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US4224005A (en) * | 1975-12-10 | 1980-09-23 | James G. Brown & Associates, Inc. | Truss rig |
SU1015044A1 (en) * | 1982-01-04 | 1983-04-30 | Центральный Научно-Исследовательский Институт Строительных Металлоконструкций "Цниипроектстальконструкция" | Self-raising walking drilling platform |
US6343662B2 (en) * | 1998-08-20 | 2002-02-05 | Hydraulic Rig Patent Corp. | Hydraulic drilling rig |
US6443659B1 (en) * | 1998-11-23 | 2002-09-03 | Philip J. Patout | Movable self-elevating artificial work island with modular hull |
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US7357616B2 (en) * | 2003-01-30 | 2008-04-15 | Doyon Drilling, Inc. | Method and apparatus for transporting oil rig |
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-
2009
- 2009-06-22 EA EA201100238A patent/EA201100238A1/en unknown
- 2009-06-22 MX MX2010014308A patent/MX2010014308A/en not_active Application Discontinuation
- 2009-06-22 CN CN2009801238885A patent/CN102084067A/en active Pending
- 2009-06-22 BR BRPI0914249A patent/BRPI0914249A2/en not_active IP Right Cessation
- 2009-06-22 AU AU2009262340A patent/AU2009262340A1/en not_active Abandoned
- 2009-06-22 CA CA2729047A patent/CA2729047A1/en not_active Abandoned
- 2009-06-22 NZ NZ590482A patent/NZ590482A/en not_active IP Right Cessation
- 2009-06-22 AP AP2011005535A patent/AP2011005535A0/en unknown
- 2009-06-22 WO PCT/AU2009/000792 patent/WO2009155639A1/en active Application Filing
- 2009-06-22 EP EP09768612.5A patent/EP2315881A4/en not_active Withdrawn
-
2010
- 2010-12-22 CL CL2010001507A patent/CL2010001507A1/en unknown
- 2010-12-23 US US12/930,004 patent/US20110139043A1/en not_active Abandoned
-
2011
- 2011-01-20 ZA ZA2011/00675A patent/ZA201100675B/en unknown
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US4224005A (en) * | 1975-12-10 | 1980-09-23 | James G. Brown & Associates, Inc. | Truss rig |
SU1015044A1 (en) * | 1982-01-04 | 1983-04-30 | Центральный Научно-Исследовательский Институт Строительных Металлоконструкций "Цниипроектстальконструкция" | Self-raising walking drilling platform |
US6343662B2 (en) * | 1998-08-20 | 2002-02-05 | Hydraulic Rig Patent Corp. | Hydraulic drilling rig |
US6443659B1 (en) * | 1998-11-23 | 2002-09-03 | Philip J. Patout | Movable self-elevating artificial work island with modular hull |
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Title |
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See also references of EP2315881A4 * |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011147481A3 (en) * | 2010-05-28 | 2012-10-18 | Siemens Aktiengesellschaft | Offshore foundation structure, offshore foundation and method of establishing the same |
WO2012123002A1 (en) * | 2011-03-11 | 2012-09-20 | Rheinmetall Air Defence Ag | Device for monitoring and/or defence purposes in the maritime field |
WO2012123405A3 (en) * | 2011-03-11 | 2012-11-22 | Rheinmetall Air Defence Ag | Measuring device for measuring the 3d movement between two objects, measuring device for a maritime observation and defence platform, and platform |
NO20171835A1 (en) * | 2017-11-17 | 2019-05-20 | Comrod As | System and procedure for positioning a drilling rig |
NO343716B1 (en) * | 2017-11-17 | 2019-05-20 | Comrod As | System and method for positioning a drilling rig |
WO2019098852A1 (en) * | 2017-11-17 | 2019-05-23 | Comrod As | System and method for positioning a drilling rig |
US11505996B2 (en) | 2017-11-17 | 2022-11-22 | Comrod As | System and method for positioning a drilling rig |
EP3584369A1 (en) * | 2018-06-18 | 2019-12-25 | Vallourec Deutschland GmbH | Device for levelling an offshore foundation construction |
WO2019243363A1 (en) * | 2018-06-18 | 2019-12-26 | Vallourec Deutschland Gmbh | Device for levelling an offshore foundation construction |
US11377807B2 (en) | 2018-06-18 | 2022-07-05 | Vallourec Deutschland Gmbh | Device for levelling an offshore foundation construction |
Also Published As
Publication number | Publication date |
---|---|
AP2011005535A0 (en) | 2011-02-28 |
NZ590482A (en) | 2013-02-22 |
CL2010001507A1 (en) | 2011-07-29 |
ZA201100675B (en) | 2012-10-31 |
MX2010014308A (en) | 2011-03-29 |
CA2729047A1 (en) | 2009-12-30 |
US20110139043A1 (en) | 2011-06-16 |
AU2009262340A1 (en) | 2009-12-30 |
BRPI0914249A2 (en) | 2015-11-03 |
EA201100238A1 (en) | 2011-06-30 |
EP2315881A4 (en) | 2013-06-26 |
CN102084067A (en) | 2011-06-01 |
EP2315881A1 (en) | 2011-05-04 |
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