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METHOD FOR CONTROLLING AN ARTIFICIAL LIFTING SYSTEM AND AN ARTIFICIAL LIFTING SYSTEM EMPLOYING SAME
Free accessEuropean Patent Office | 2015| -
Methods of forming polycrystalline compacts having material disposed in interstitial spaces therein, cutting elements and earth-boring tools including such compacts
Free accessEuropean Patent Office | 2015| -
METHOD FOR EQUIPMENT DELIVERY INTO HORIZONTAL OR DIRECTED BOREHOLE
Free accessEuropean Patent Office | 2015| -
Bridge and tunnel combined construction structure for high-speed rail bridge and tunnel connection area
Free accessEuropean Patent Office | 2015| -
Fixation method for electric-power line in building construction
Free accessEuropean Patent Office | 2015| -
Aluminum alloy drill rod pipe body and steel joint connecting structure
Free accessEuropean Patent Office | 2015| -
ELECTROMECHANICAL ACTUATOR APPARATUS AND METHOD FOR DOWN-HOLE TOOLS
Free accessEuropean Patent Office | 2015| -
IN SITU CONVERSION PROCESS UTILIZING A CLOSED LOOP HEATING SYSTEM
Free accessEuropean Patent Office | 2015| -
LOW DOSAGE KINETIC HYDRATE INHIBITORS FOR NATURAL GAS PRODUCTION SYSTEMS
Free accessEuropean Patent Office | 2015| -
METHOD OF MECHANICAL AND HYDRAULIC RECULTIVATION OF LANDS
Free accessEuropean Patent Office | 2015| -
METHOD FOR REMOVAL OF DEPOSITS AND PREVENTION OF THEIR FORMATION IN OIL WELL AND DEVICE FOR ITS IMPLEMENTATION
Free accessEuropean Patent Office | 2015| -
METHOD TO CONTROL HYDRATE FORMATION DEGREE AND TECHNICAL STATE OF OPERATING GAS EQUIPMENT
Free accessEuropean Patent Office | 2015| -
METHOD TO EXTRACT GAS HYDRATES FROM BOTTOM DEPOSITS AND DEVICE TO THIS END
Free accessEuropean Patent Office | 2015| -
Waved steel production riser, offshore hydrocarbon production system, and method of producing a hydrocarbon stream
Free accessEuropean Patent Office | 2015| -
Drill pipe rescuing device used for rotary drilling machine
Free accessEuropean Patent Office | 2015| -
Rotational drilling well drill bit and manufacturing method for same
Free accessEuropean Patent Office | 2015| -
Horizontal well flow pattern recognition method based on total flow and conductance probe array signals
Free accessEuropean Patent Office | 2015| -
Shield machine single well overall originating construction method
Free accessEuropean Patent Office | 2015| -
Multi-roller rocking arm of coal mining machine and coal mining method
Free accessEuropean Patent Office | 2015| -
Method and device for beam-free cluster well pumping unit
Free accessEuropean Patent Office | 2015| -
Hole expanding device, pull-back hole expanding assembly and hole expanding drilling method thereof
Free accessEuropean Patent Office | 2015| -
Standard-reaching pre-judgment method for coal seam group gas combined extraction
Free accessEuropean Patent Office | 2015| -
Oil pipe hanger capable of closing and opening oil pipe passageway
Free accessEuropean Patent Office | 2015| -
Hanging and tensioning device, production tubular column and tensioning and tie-back method of coiled tubing
Free accessEuropean Patent Office | 2015| -
Soundless rock drilling and splitting integrated machine
Free accessEuropean Patent Office | 2015| -
Water mist tunnel smoke control system adopting spaced arrangement method
Free accessEuropean Patent Office | 2015| -
Polystyrene ethyl acrylate and synthetic method therefor and application thereof
Free accessEuropean Patent Office | 2015| -
Cover plate for tunnel ditch and cover plate component including the same
Free accessEuropean Patent Office | 2015|
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