Abstract: A fracturing liquid delivery hose for recovery of shale oil and gas, and manufacturing method and co-extrusion mold thereof are provided. The method includes extrusion of a cover layer with a first adhesive layer and an inner lining layer with a second adhesive layer, formation of an enhancement layer, heating and pressurizing for bonding between the cover layer and the enhancement layer and between the inner lining layer and the enhancement layer, so that the formed fracturing liquid delivery hose has resistance at least to high pressure and chemical corrosion. The cover layer and the inner lining layer can use different types of materials.

Abstract: The present invention relates to an ultra-high molecular weight polyethylene enhanced high-flow delivery high-pressure hose and manufacturing method thereof. The hose includes an outer rubber layer, a reinforcing layer and an inner rubber layer from outside to inside. A thickness of the outer rubber layer is 0.3-6.0 mm. A thickness of the reinforcing layer is 1.0-5.0 mm. A thickness of the inner layer is 0.3-5.0 mm. The outer rubber layer and the inner layer are obtained by co-extruding onto the reinforcing layer using a coextrusion equipment. The manufacturing method includes the following steps: rubber mixing, preparing the reinforcing layer, producing a finished product, vulcanizing and pressure testing. The hose of the invention has the advantages of light weight, good flexibility, abrasion resistance, corrosion resistance and good weather fastness. The hose can be connected through a plurality of standard buckles, which is easy to wind up, easy to assemble and disassemble.

Abstract: The present invention provides a multi-layer hose comprising a cover layer, comprising a first polymer, an enhancement layer comprising woven filaments, and an inner lining, comprising a second polymer, wherein the first polymer and the second polymer are dissimilar. The first polymer is preferably a polymer with good wear resistance properties, e.g., thermoplastic polyurethane (TPU), TPU/PVC, or PVC, or PVC/NBR. The second polymer is preferably a polymer with good chemical resistance properties, e.g., ethylene propylene diene monomer (EPDM) rubber. The present invention also provides a method of manufacturing said multi-layer hose.

Abstract: The present invention relates to an ultra-high molecular weight polyethylene enhanced high-flow delivery high-pressure hose and manufacturing method thereof. The hose includes an outer rubber layer, a reinforcing layer and an inner rubber layer from outside to inside. A thickness of the outer rubber layer is 0.3-6.0 mm. A thickness of the reinforcing layer is 1.0-5.0 mm. A thickness of the inner layer is 0.3-5.0 mm. The outer rubber layer and the inner layer are obtained by co-extruding onto the reinforcing layer using a coextrusion equipment. The manufacturing method includes the following steps: rubber mixing, preparing the reinforcing layer, producing a finished product, vulcanizing and pressure testing. The hose of the invention has the advantages of light weight, good flexibility, abrasion resistance, corrosion resistance and good weather fastness. The hose can be connected through a plurality of standard buckles, which is easy to wind up, easy to assemble and disassemble.

Abstract: A fracturing liquid delivery hose for recovery of shale oil and gas, and manufacturing method and co-extrusion mold thereof are provided. The method includes extrusion of a cover layer with a first adhesive layer and an inner lining layer with a second adhesive layer, formation of an enhancement layer, heating and pressurizing for bonding between the cover layer and the enhancement layer and between the inner lining layer and the enhancement layer, so that the formed fracturing liquid delivery hose has resistance at least to high pressure and chemical corrosion. The cover layer and the inner lining layer can use different types of materials.

Abstract: A fracturing liquid delivery hose for recovery of shale oil and gas, and manufacturing method and co-extrusion mold thereof are provided. The method includes extrusion of a cover layer with a first adhesive layer and an inner lining layer with a second adhesive layer, formation of an enhancement layer, heating and pressurizing for bonding between the cover layer and the enhancement layer and between the inner lining layer and the enhancement layer, so that the formed fracturing liquid delivery hose has resistance at least to high pressure and chemical corrosion. The cover layer and the inner lining layer can use different types of materials.

Abstract: The present invention provides a multi-layer hose comprising a cover layer, comprising a first polymer, an enhancement layer comprising woven filaments, and an inner lining, comprising a second polymer, wherein the first polymer and the second polymer are dissimilar. The first polymer is preferably a polymer with good wear resistance properties, e.g., thermoplastic polyurethane (TPU), TPU/PVC, or PVC, or PVC/NBR. The second polymer is preferably a polymer with good chemical resistance properties, e.g., ethylene propylene diene monomer (EPDM) rubber. The present invention also provides a method of manufacturing said multi-layer hose.

Abstract: Provided are a fracturing liquid delivery hose for recovery of shale oil & gas, and manufacturing method and co-extrusion mold thereof. The method for manufacturing the fracturing liquid delivery hose for recovery of shale oil & gas according to the present invention includes: (1) extrusion of a cover layer bearing an adhesive layer; (2) extrusion of an inner lining bearing the adhesive layer; (3) physically permeation of the extruded cover layer and the inner lining for standby use; (4) formation of an enhancement layer; (5) heating and pressurizing for physical and chemical bonding between the cover layer and the enhancement layer; (6) turning it over; (7) heating and pressurizing for physical and chemical bonding between the inner lining and the enhancement layer. In the present invention, the different types of materials may be used for the cover layer and the inner lining, and the cover layer and the inner lining of different materials may be combined for more needs and reduced product cost.

Abstract: The present invention provides a fracturing fluid transport hose, a method for manufacturing same, and a co-extrusion mould. The method for manufacturing a fracturing fluid transport hose according to the present invention includes the following steps of: (1) drying, agitating and color matching of an outer adhesive layer; (2) drying, agitating and color matching of an inner adhesive layer; (3) producing a reinforcement layer: knitting a tubular reinforcement layer according to a product design specification parameter; and (4) producing a final product: sleeving the reinforcement layer on a mould core of a co-extrusion mould, suctioning the dried granules in step (1) and step (2) into two extruders respectively, and starting the extruders and a dragger, so that the reinforcement layer, the outer adhesive layer granules and the inner adhesive layer granules pass through a co-extrusion device together to obtain a product.