An inflatable down hole bag for insertion in a bore hole, comprising a sealed inflatable body for holding an inflation fluid; a first substance within the sealed inflatable body; a second substance separated from the first substance within the sealed inflatable body; and a release for allowing the second substance to contact the first substance; wherein release of the second substance causes an inflation fluid producing reaction within the sealed inflatable body, thereby inflating the inflatable body, the sealed inflatable body being vacuum sealed so as to hold in place one or both of the first and second substances prior to the release of the second substance.
E21B 23/04 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
13 - Firearms; explosives
17 - Rubber and plastic; packing and insulating materials
19 - Non-metallic building materials
20 - Furniture and decorative products
24 - Textiles and textile goods
35 - Advertising and business services
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Spray on paints; marking paint. Containers of metal for compressed gas or liquid air used in
the inflation of inflatable bladders. Compressed air pumps for inflating; pumps being machines,
mechanical reeling apparatus. Apparatus for measuring; measuring tools for depth and
temperature; measuring tapes and ropes; temperature probes;
safety apparatus (for the prevention of accident or injury);
mirrors for inspecting work; weights; dip weights. Lights; solar lights. Accessories specifically adapted for use in rock blasting,
namely, drill hole and blast hole explosives for open pit
and underground mines; all of the aforementioned being for
use in blasting activities. Inflatable bladders for sealing purposes; inflatable plugs
of rubber for sealing bore holes / blast holes; blast hole
void filling bags for sealing purposes; mechanical stoppers
for use in sealing boreholes / blast holes; waterproof
membranes for lining bore holes /blast holes; waterproof
membranes for hole and bore hole lining; flexible tubes, not
of metal, for hole lining; stoppers for sealing boreholes,
namely rubber bladders that are inflatable and deflatable by
means of fluid delivery tubes and pressurised fluid packs
including aerosol packs that incorporate a control
mechanism; flexible hoses, not of metal. Stabilizers of bore holes, namely, non-metal barriers being
plastic sleeves for lining and stabilizing the walls of bore
holes. In hole retention plugs, not of metal, in the form of a
brush; drill hole cones being plugs, not of metal; foam
plugs; hole savers being plugs, not of metal. Flags of textile or plastic; hole marking products
comprising flags which are made from textiles and/or
plastics. Retail sale services, wholesale sale services,
distributorship services for equipment, tools and
consumables used in the mining industry including equipment,
tools and consumables relating to blasting activities. Installation, maintenance and repair services relating to
apparatus, equipment, machines, tools and consumables used
in the mining industry including equipment, tools and
consumables relating to blasting activities; lining blast
holes for waterproofing for the purposes of drilling and
boring of blast holes, water or oil wells; water management
of blast holes comprising dewatering of holes and the
management of ground water to facilitate a suitable
environment for deploying explosive and blasthole
consumables (wet, dry, soil and rock blasting services) for
the purposes of drilling and boring of blast holes. Quality assurance; quality control; quality assurance of
blast holes; explosives engineering services relating to
explosive and blasting consumables for blast holes; testing
rock from blast holes drilling for reactivity.
A hole measurement system comprising: a sensor configured to take measurements when directed down the hole to provide measurement data, a processor for analysing the data and providing feedback to an operator, wherein the feedback indicates whether the measurement data represents a bottom of the hole, or an anomaly.
A hole measurement system comprising: a sensor configured to take measurements when directed down the hole to provide measurement data, a processor for analysing the data and providing feedback to an operator, wherein the feedback indicates whether the measurement data represents a bottom of the hole, or an anomaly.
17 - Rubber and plastic; packing and insulating materials
20 - Furniture and decorative products
35 - Advertising and business services
37 - Construction and mining; installation and repair services
Goods & Services
Machines and apparatus, electric, for cleaning bore holes. Ventilation installations used in mining and underground
activities including accessories for such equipment. Stoppers for sealing boreholes, including for sealing
borehole shafts to position explosives therein during rock
blasting, namely rubber bladders that are inflatable and
deflatable by means of fluid delivery tubes and pressurised
fluid packs including aerosol packs that incorporate a
control mechanism; waterproof membranes for lining bore
holes. Bore hole plugs, not of metal; sealing caps, not of metal,
for protecting bore holes. Retail sale services, wholesale sale services,
distributorship services for equipment, tools and
consumables used in the mining industry including equipment,
tools and consumables relating to blasting activities. Installation, maintenance and repair services relating to
plant equipment, apparatus, machines, tools and consumables
used in the mining industry including equipment, tools and
consumables relating to blasting activities.
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Explosive devices; pyrotechnic products; detonating plugs;
cartridges; firing platforms; mines (explosives); borehole
plugs including inflatable bags/bladders; fluid delivery
hoses for effecting inflation and deflation of said
inflatable bladders, pressurized fluid packs including
aerosol packs for use with said inflatable bladders; control
mechanisms for use with aerosol packs; all of the
aforementioned being for use in blasting activities; bore
hole plugs including inflatable bladders, for plugging a
bore hole filled with explosive material for a blasting
operation; fluid delivery hoses for effecting inflation and
deflation of said inflatable bladders, pressurised fluid
packs including aerosol packs for use with said inflatable
bladders, all for use in a blasting operation. Packing and stopping materials; bags of rubber or plastic
for packing, including inflatable bags/bladders of plastic
or rubber for forming a platform or stop inside of a
borehole; packing (cushioning, stuffing) materials of rubber
or plastics; padding materials of rubber or
plastics/stuffing of rubber or plastics; plastic substances,
semi processed; stops; all of the foregoing for creating a
stop or plug in a borehole.
B65B 29/10 - Packaging two or more different substances isolated from one another in the package but capable of being mixed without opening the package, e.g. forming packages containing a resin and hardener isolated by a frangible partition
B65D 81/32 - Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
An inflatable down hole bag for insertion into a blast hole, comprising: a sealed inflatable body; a first substance within the sealed inflatable body; a plurality of tablets separated from the first substance within the sealed inflatable body; and a release for allowing the first substance to contact the tablets; wherein the tablets comprise a second substance, and wherein contact between the first substance and the second substance causes an inflation fluid producing reaction within the sealed inflatable body, thereby inflating the inflatable body, wherein the tablets are configured to fragment after contact with the first substance.
B65B 29/10 - Packaging two or more different substances isolated from one another in the package but capable of being mixed without opening the package, e.g. forming packages containing a resin and hardener isolated by a frangible partition
B65D 81/32 - Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
An inflatable down hole bag for insertion in a bore hole, comprising a sealed inflatable body for holding an inflation fluid; a first substance within the sealed inflatable body; a second substance separated from the first substance within the sealed inflatable body; and a release for allowing the second substance to contact the first substance; wherein release of the second substance causes an inflation fluid producing reaction within the sealed inflatable body, thereby inflating the inflatable body, the sealed inflatable body being vacuum sealed so as to hold in place one or both of the first and second substances prior to the release of the second substance.
E21B 23/04 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion
E21B 23/06 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for setting packers
A bore hole measurement system includes a cable with spaced apart embedded elements along a length of the cable, a sensor for detection of the elements as they move relatively past the sensor, and a processor for determining the distance that the cable has travelled based on the detections of elements that have moved past the sensor. A method includes detecting the elements moving past a sensor, and determining the distance that the cable has travelled based on the detections of elements that have moved past the sensor.
E21B 47/092 - Locating or determining the position of objects in boreholes or wellsIdentifying the free or blocked portions of pipes by detecting magnetic anomalies
G01D 5/20 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
G01D 21/02 - Measuring two or more variables by means not covered by a single other subclass
G01F 23/00 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
E21B 47/13 - Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. of radio frequency range
11.
Inflatable down hole bag with inflation reagent release
An inflatable down hole bag includes an inflatable body for holding an inflation fluid and a container for holding one or more substances. The container is disposed inside of the inflatable body and includes a closure for keeping the one or more substances in the container when the closure is in an inoperative state. The closure also releases the one or more substances from the container when the closure is in an operative state. Release of a substance causes an inflation fluid producing reaction within the inflatable body, thereby inflating the inflatable body. The container includes at least two separated chambers. Each chamber holds a respective one of the substances. The closure includes a stopper for closing a respective opening to one of the chambers. The closure further includes an actuator for removing each stopper from the respective opening so as to release each substance from each respective chamber.
A blast hole liner for use in deviated wells comprising a flexible tubing made from a woven polypropylene comprising material with the internal surface coated in lubricant configured to enable an increased feedrate of filling material into the tubing. In one aspect lubricant coats folded surfaces of one or more gussets configured to enable an increased feedrate of filling material into the tubing.
A bore hole measurement system comprises a cable comprising spaced apart embedded elements along a length of the cable; a sensor for detection of the elements as they move relatively past the sensor; and a processor for determining the distance that the cable has travelled based on the detections of elements that have moved past the sensor. A method comprises detecting the elements moving past a sensor; and determining the distance that the cable has travelled based on the detections of elements that have moved past the sensor.
G01B 7/04 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width, or thickness specially adapted for measuring length or width of objects while moving
A bore hole measurement system comprises a cable comprising spaced apart embedded elements along a length of the cable; a sensor for detection of the elements as they move relatively past the sensor; and a processor for determining the distance that the cable has travelled based on the detections of elements that have moved past the sensor. A method comprises detecting the elements moving past a sensor; and determining the distance that the cable has travelled based on the detections of elements that have moved past the sensor.
G01B 7/04 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width, or thickness specially adapted for measuring length or width of objects while moving
G01B 7/26 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring depth
17 - Rubber and plastic; packing and insulating materials
Goods & Services
(1) Explosive devices; pyrotechnic products; detonating plugs; detonator cartridges; firing platforms; mines (explosives); Borehole plugs namely inflatable bags and bladders; fluid delivery hoses for use with borehole plugs, namely for effecting inflation and deflation of inflatable bladders; pressurized fluid aerosol packs for use with borehole plugs comprising inflatable bladders; timing control mechanisms for use with aerosol packs for inflation of blast hole plugs for use in blasting activities; all of the aforementioned being for use in blasting activities
(2) Packing and stopping materials for use in a blasthole; bags of rubber for packing, namely, inflatable bags and bladders of rubber for forming a platform and stop inside of a borehole; bags of plastic for packing, namely, inflatable bags and bladders of plastic for forming a platform and stop inside of a borehole; cushioning materials of rubber or plastics for packing; stuffing of rubber and plastics for packing; padding materials of rubber; padding materials of plastics; stuffing of rubber; stuffing of plastic; semi-processed plastics; stops of rubber; stops of plastic; all of the foregoing for creating a plug in a borehole
A composite thermoplastic liner for use as a moisture barrier comprises a hollow tubular body made from a woven composite thermoplastic material configured to substantially block the ingress of moisture; and an opening at one end of the hollow tubular body for intake into the hollow of the hollow tubular body. In one aspect a welded closed opposite end forms a base configured to substantially block the ingress of moisture external to the hollow tubular body. In another aspect the woven composite thermoplastic material comprises an electrically conductive additive. In another aspect there is a gusset in at least one side of the hollow tubular body. The hollow tubular body is able to be flattened with the respective gussets formed from folds of the hollow tubular body, such that in the flattened state the tube is more readily stored in a narrow form, but is expandable when the gusset is unfolded.
An inflatable down hole bag comprises an inflatable body for holding an inflation fluid; and a container for holding one or more substances. The container is disposed inside of the inflatable body. The container comprises a closure for keeping the one or more substances in the container when the closure is in an inoperative state. The closure is also for releasing the one or more substances from the container when the closure is in an operative state. Release of the one or more substances causes an inflation fluid producing reaction within the inflatable body, thereby inflating the inflatable body. The container comprises at least two separated chambers. Each chamber is for holding a respective one of the substances. The closure comprises a stopper for closing a respective opening to one of the chambers. The closure further comprises an actuator for removing each stopper from the respective opening so as to release each substance from each respective chamber.
An inflatable down hole bag comprises an inflatable body for holding an inflation fluid; and a container for holding one or more substances. The container is disposed inside of the inflatable body. The container comprises a closure for keeping the one or more substances in the container when the closure is in an inoperative state. The closure is also for releasing the one or more substances from the container when the closure is in an operative state. Release of the one or more substances causes an inflation fluid producing reaction within the inflatable body, thereby inflating the inflatable body. The container comprises at least two separated chambers. Each chamber is for holding a respective one of the substances. The closure comprises a stopper for closing a respective opening to one of the chambers. The closure further comprises an actuator for removing each stopper from the respective opening so as to release each substance from each respective chamber.
09 - Scientific and electric apparatus and instruments
13 - Firearms; explosives
17 - Rubber and plastic; packing and insulating materials
Goods & Services
(1) Blast hole plugs of plastic or rubber material for use in blasting activities; inflatable bladders of plastic or rubber material for use in blasting activities; pressurised fluid packs, namely aerosol packs, for use with said blast hole plugs for use in blasting activities; mechanical aerosol release mechanisms for use with aerosol packs for inflation of blast hole plugs for use in blasting activities; timing control mechanisms for use with aerosol packs for inflation of blast hole plugs for use in blasting activities; explosives products for blasting of rock to extract minerals, namely, bulk explosives, explosive powders, detonators and shells
(2) Inflatable plugs for sealing bore-holes of plastic or rubber; solid plugs for sealing bore-holes of plastic or rubber; bore-hole liners of plastic material; plastic tubes for insertion into a bore-hole; plastic liners for holding explosives in a bore-hole; plastic liners for retaining ground water outside of the liner when the liner is in a bore-hole; liners formed of extruded plastics for bore-holes; fluid delivery hoses of plastic or rubber material for effecting inflation and deflation of blast hole plugs for use in blasting activities
17 - Rubber and plastic; packing and insulating materials
Goods & Services
(1) Blast hole plugs of plastic or rubber material for use in blasting activities; inflatable bladders of plastic or rubber material for use in blasting activities; pressurised fluid packs, namely aerosol packs, for use with said blast hole plugs for use in blasting activities; mechanical aerosol release mechanisms for use with aerosol packs for inflation of blast hole plugs for use in blasting activities; timing control mechanisms for use with aerosol packs for inflation of blast hole plugs for use in blasting activities; explosives products for blasting of rock to extract minerals, namely, bulk explosives, explosive powders, detonators and shells
(2) Inflatable plugs for sealing bore-holes of plastic or rubber; solid plugs for sealing bore-holes of plastic or rubber; bore-hole liners of plastic material; plastic tubes for insertion into a bore-hole; plastic liners for holding explosives in a bore-hole; plastic liners for retaining ground water outside of the liner when the liner is in a bore-hole; liners formed of extruded plastics for bore-holes; gas delivery hoses of plastic or rubber material for effecting inflation and deflation of blast hole plugs for use in blasting activities
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Explosives and constituent elements of explosives, namely, blast hole plugs, inflatable bladders, fluid delivery hoses for effecting inflation and deflation of blast hole plugs, pressurised fluid packs, aerosol packs, for use with said blast hole plugs; control mechanisms for use with aerosol packs for inflation of blast hole plugs, all of the aforementioned being for use in blasting; explosives, including explosives for rock blasting; explosives products, namely, explosive powders, primers and shells Sealing and insulating materials for use in bore-hole and explosives applications, namely, plastic borehole liners, plastic tubes for insertion into a bore-hole, plastic liners for holding explosives in a bore-hole, plastic liners for retaining ground water outside of the liner when the liner is in a bore-hole; liners formed of extruded plastics for sealing bore-holes
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Explosives and constituent elements of explosives, namely, blast hole plugs, inflatable bladders, fluid delivery hoses for effecting inflation and deflation of blast hole plugs, pressurised fluid packs, aerosol packs, for use with said blast hole plugs; control mechanisms for use with aerosol packs for inflation of blast hole plugs, all of the aforementioned being for use in blasting; explosives, including explosives for rock blasting; explosives products, namely, explosive powders, primers and shells Sealing and insulating materials for use in bore-hole and explosives applications, namely, rubber plugs for sealing bore-holes, plastic borehole liners, plastic tubes for insertion into a bore-hole, plastic liners for holding explosives in a bore-hole, plastic liners for retaining ground water outside of the liner when the liner is in a bore-hole; liners formed of extruded plastics for sealing bore-holes
A composite thermoplastic liner for use as a moisture barrier comprises a hollow tubular body made from a woven composite thermoplastic material configured to substantially block the ingress of moisture; and an opening at one end of the hollow tubular body for intake into the hollow of the hollow tubular body. In one aspect a welded closed opposite end forms a base configured to substantially block the ingress of moisture external to the hollow tubular body. In another aspect the woven composite thermoplastic material comprises an electrically conductive additive. In another aspect there is a gusset in at least one side of the hollow tubular body. The hollow tubular body is able to be flattened with the respective gussets formed from folds of the hollow tubular body, such that in the flattened state the tube is more readily stored in a narrow form, but is expandable when the gusset is unfolded.
B29C 65/74 - Joining of preformed partsApparatus therefor by welding and severing
B65D 30/04 - Sacks, bags or like containers characterised by the material used made of fabric
B65D 30/08 - Sacks, bags or like containers characterised by the material used with laminated or multiple walls in spaced face-to-face relationship, e.g. double walls
B65D 30/10 - Sacks, bags or like containers characterised by shape or construction
24.
APPARATUS AND METHOD FOR WELDING COMPOSITE THERMOPLASTIC MATERIALS
An apparatus for welding composite thermoplastic materials comprises a welding member configured to receive the composite thermoplastic materials there at; and a controller for controlling a temperature by which composite thermoplastic materials received at the welding member are heated, the controller being configured to provide a plurality of heating cycles during which the composite thermoplastic materials are welded. There is also a method for welding composite thermoplastic materials, the method comprises receiving the composite thermoplastic materials at a welding zone; and applying a plurality of heating cycles to the composite thermoplastic materials at the welding zone.
An apparatus for lining a blast hole comprises a tube of thermoplastic material and a welder for welding the tube, wherein an end of the tube can be welded closed by the welder and the desired length of tube can be dispensed and cut free from the rest of the tube when the closed end is at least part way inside the blast hole. There is also a method of lining a blast hole which comprises welding closed an end of a tube of thermoplastic material; placing the closed end in the blast hole and allowing it to descend into the hole; dispensing a desired length of tube; and cutting free the length of tube from the rest of the tube.
A composite thermoplastic liner for use as a moisture barrier comprises a hollow tubular body made from a woven composite thermoplastic material configured to substantially block the ingress of moisture; and an opening at one end of the hollow tubular body for intake into the hollow of the hollow tubular body. In one aspect a welded closed opposite end forms a base configured to substantially block the ingress of moisture external to the hollow tubular body. In another aspect the woven composite thermoplastic material comprises an electrically conductive additive. In another aspect there is a gusset in at least one side of the hollow tubular body. The hollow tubular body is able to be flattened with the respective gussets formed from folds of the hollow tubular body, such that in the flattened state the tube is more readily stored in a narrow form, but is expandable when the gusset is unfolded.
B29C 65/74 - Joining of preformed partsApparatus therefor by welding and severing
B65D 30/04 - Sacks, bags or like containers characterised by the material used made of fabric
B65D 30/08 - Sacks, bags or like containers characterised by the material used with laminated or multiple walls in spaced face-to-face relationship, e.g. double walls
B65D 30/10 - Sacks, bags or like containers characterised by shape or construction
An apparatus for lining a blast hole comprises a tube of thermoplastic material and a welder for welding the tube, wherein an end of the tube can be welded closed by the welder and the desired length of tube can be dispensed and cut free from the rest of the tube when the closed end is at least part way inside the blast hole. There is also a method of lining a blast hole which comprises welding closed an end of a tube of thermoplastic material; placing the closed end in the blast hole and allowing it to descend into the hole; dispensing a desired length of tube; and cutting free the length of tube from the rest of the tube.
A detonator lead protector comprises an applicator and an in-situ sheath. The applicator houses the sheath and in use applies the sheath to the detonator lead within a blast hole. The sheath is applied to the detonator lead as the applicator runs down the detonator lead along at least a portion of a length of the blast hole. The applicator has a first aperture through which the detonator lead is able to move, and may have a second aperture through which the sheath is able to pass as the sheath is applied to the detonator lead. The applicator also forms a separation between explosives and stemming material in the blast hole.
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Plastic tubes in the nature of flexible conduits for insertion into a bore-hole; Waterproof plastic liners for insulating and holding explosives in a bore hole and insulating the borehole from the blast
An indicator comprises a first portion having a first temperature sensitive indicia arranged so as to provide an ongoing visible indication that the aerosol can has reached a predetermined temperature and a second temperature sensitive indicia arranged so as to provide a visible indication when the aerosol reaches a different predetermined temperature. There is also a dangerous item that comprises a temperature sensitive indicia arranged on the item so as to provide a visible indication when the item reaches a predetermined temperature.
G01K 11/12 - Measuring temperature based on physical or chemical changes not covered by group , , , or using changes in colour, translucency or reflectance
G01K 11/16 - Measuring temperature based on physical or chemical changes not covered by group , , , or using changes in colour, translucency or reflectance of organic materials
Detonating plugs, namely, an inflatable bag for plugging a bore hole prior to explosive blasting detonation where the bag is inflated by specially adapted aerosol packs or inflated by pressurized fluid packs using specially adapted fluid delivery hoses with a control mechanism
Detonating plugs, namely, an inflatable bag for plugging a bore hole prior to explosive blasting detonation where the bag is inflated by specially adapted aerosol packs or inflated by pressurized fluid packs using specially adapted fluid delivery hoses with a control mechanism
A measurement system includes a measurement tape that provides clear metre values in a horizontal reading direction across the measurement tape with the bottom of the metre values facing towards a tape housing or origin. The meter values are provided at regular sub intervals within each meter interval along the measurement tape.
G01B 3/02 - Rulers with scales or marks for direct reading
G01B 5/02 - Measuring arrangements characterised by the use of mechanical techniques for measuring length, width, or thickness
G01B 21/18 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring depth
An indicator comprises a first portion having a first temperature sensitive indicia arranged so as to provide an ongoing visible indication that the aerosol can has reached a predetermined temperature and a second temperature sensitive indicia arranged so as to provide a visible indication when the aerosol reaches a different predetermined temperature. There is also a dangerous item that comprises a temperature sensitive indicia arranged on the item so as to provide a visible indication when the item reaches a predetermined temperature.
G01K 11/12 - Measuring temperature based on physical or chemical changes not covered by group , , , or using changes in colour, translucency or reflectance
G01K 11/14 - Measuring temperature based on physical or chemical changes not covered by group , , , or using changes in colour, translucency or reflectance of inorganic materials
G01K 11/16 - Measuring temperature based on physical or chemical changes not covered by group , , , or using changes in colour, translucency or reflectance of organic materials
G01K 11/18 - Measuring temperature based on physical or chemical changes not covered by group , , , or using changes in colour, translucency or reflectance of materials which change translucency
An inflatable borehole plug with a sealed gas tight container containing a pressure canister, said pressure canister containing a non-flammable fluorinated propellant with a global warming potential below 500.
C09K 8/00 - Compositions for drilling of boreholes or wellsCompositions for treating boreholes or wells, e.g. for completion or for remedial operations
A method of mining a valuable metal or material in an ore body is described. The method comprises the steps of: a) placing a cushion in a stope whereby the cushion creates a void into which fragmented rock can expand during subsequent blasting operations for a second or subsequent panel; and, b) maintaining the void until blasting operations occur whereupon the void is caused to collapse to accommodate fragmented ore generated during blasting operations.
