Patents
Sitemap › 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 › E21B 15 - Supports for the drilling machine, e.g. derricks or masts
Patents for E21B 15 - Supports for the drilling machine, e.g. derricks or masts (4,619)
12/2010
12/01/2010CN201661237U Multifunctional power head of all-hydraulic drill
11/2010
11/25/2010US20100294570 Boom arrangement for a rock drill and rock drill rig
11/24/2010EP2252761A1 Boom arrangement for a rock drill and rock drill rig
11/24/2010CN201650136U Spinning driller and mast amplitude device thereof
11/24/2010CN201650135U Novel vertical telescopic derrick
11/24/2010CN201650134U Drilling rig telescopic mast structure for drilling equipment
11/24/2010CN201650133U Oil derrick translation synchronous control device
11/24/2010CN201650132U Novel connecting structure for petroleum drilling machine substructure foundation beams
11/24/2010CN201650114U Wheel rotary drilling machine
11/24/2010CN201650113U Pneumatic anchor drill
11/24/2010CN101892812A Reciprocating drill or electric drill support
11/18/2010WO2010132174A1 Drilling rig mast lift systems and methods
11/18/2010CA2755483A1 Drilling rig mast lift systems and methods
11/17/2010CN201635671U Passive flow control device capable of suppressing vortex-induced vibration of long and thin flexible riser
11/17/2010CN201635664U Hoisting device hoisted by two cylinders
11/17/2010CN201635663U Drilling platform of workover rig
11/17/2010CN201635653U Hydraulic drill rig device on construction drill carriage
11/17/2010CN201635652U Double-guide rail drill carriage for coalmine
11/17/2010CN201635650U Multi-angle coal rock drilling machine
11/17/2010CN201635646U Coal bed hydraulic drilling device of frame column type
11/17/2010CN101886527A Connecting device of drilling machine components and operating method for connecting drilling machine components
11/16/2010US7832496 Deep-hole boring machine and deep-hole boring guide device
11/11/2010WO2010129944A2 Method and system for integrating sensors on an autonomous mining drilling rig
11/11/2010US20100282482 System for reliable collaborative assembly and maintenance of complex systems
11/11/2010CA2761047A1 Method and system for integrating sensors on an autonomous mining drilling rig
11/10/2010CN201627569U Energy-saving oil pumping unit for oil field
11/10/2010CN201627540U Accurate sample frame for underground workshop palisades crane beam excavating drilling
11/10/2010CN201627539U Narrow multi-angle drill rig device
11/10/2010CN201627532U Concentric double-rotation drilling machine
11/10/2010CN101881138A Coal mine full hydraulic traverse crawler drill
11/10/2010CN101881137A Method for fixing gangue dumping platform in process of using permanent derrick to construct well
11/10/2010CN101881134A Gallery-type vertical and horizontal dual-purpose drilling machine
11/09/2010US7828087 Rocket rig drilling apparatus
11/09/2010US7828086 Guide rail system for a telescoping mast on a drilling rig
11/04/2010US20100276202 Method of drilling a wellbore
11/03/2010CN201620763U Inclined support structure of triaxial type continuous wall hole drilling machine
11/03/2010CN201620760U Multifunctional jack-up supporting platform drilling machine three-direction slippage system for offshore oilfields
11/03/2010CN201620759U Movable well repairing manual platform
10/2010
10/28/2010WO2010122212A1 Telescopically extending shaft
10/28/2010US20100270083 Housing arrangement
10/28/2010US20100270082 Rotary blasthole drilling rig flexible jaw pipe positioner
10/27/2010CN201614904U 可调式岩样取芯钻机定位装置 Adjustable rock sample coring rig positioning device
10/27/2010CN201614887U 一种履带式钻锚机 One kind of crawler drill windlass
10/26/2010CA2572758C A guide rail system for a telescoping mast on a drilling rig
10/20/2010CN201610724U 一种大直径深立井凿井井架 One kind of large-diameter deep shaft sinking headframe
10/20/2010CN101864902A Omnibearing rolling type shifter for oil drilling machine module
10/20/2010CN101864901A Drilling machine capable of rapidly and accurately locating
10/20/2010CN101864900A Trestle type drilling machine
10/20/2010CN101864896A Hydraulic drilling rig device on construction drill carriage
10/20/2010CN101864892A Engineering percussion drill
10/19/2010US7814994 Drill rod support, and drill rod support half
10/19/2010CA2557259C Safemode operating system for a drilling or service rig
10/14/2010WO2009105005A8 Boom arrangement for a rock drill and rock drill rig
10/14/2010US20100260555 Cantilever skidding system on a drilling rig
10/13/2010EP2239410A1 A drilling machine provided with a device for guiding the drill rods contained in a loading device
10/13/2010CN201606011U 旋挖钻机桅杆限位机构 Rotary drilling rig mast stopper mechanism
10/13/2010CN201606010U 目字形天轮平台的m形井架支撑体系 M-shaped derrick head shaped sheave platform support system
10/13/2010CN201606009U 一种凿井井架双层天轮平台体系 One kind of drilling derrick double sheave platform system
10/13/2010CN201606002U 一种垂直定位钻孔设备 The vertical positioning drilling equipment
10/13/2010CN201606001U 页岩钻孔机 Shale drilling machine
10/13/2010CN201605997U 岩芯钻机用桅杆角度自动调节装置 Core drilling rig mast angle with automatic adjustment device
10/13/2010CN101858197A Drive unit for a drilling or construction device
10/06/2010CN201598979U 一种挖掘机型式液压平动钻机 One kind of type hydraulic excavator translational rig
10/06/2010CN101852066A Device and method for arranging track of drilling machine
09/2010
09/29/2010CN201593420U Hydraulic rotating type crude oil burner boom
09/29/2010CN201593382U Walking device used for sliding derrick of sea drilling platform
09/29/2010CN201593381U Rotary speed reducer mounting base of rotary drilling rig
09/29/2010CN101122211B Sailing course drill
09/27/2010CA2834958A1 Transportable well service platform
09/27/2010CA2834904A1 Transportable well service platform
09/27/2010CA2834898A1 Transportable well service platform
09/23/2010WO2010105308A1 Multi-ram drill rig and method of operation
09/23/2010CA2755999A1 Multi-ram drill rig and method of operation
09/22/2010CN201588640U Reaction support anti-moving device of rockbolt drilling machine
09/22/2010CN201588560U Bidirectional multi-stage air leg
09/22/2010CN201588559U Telescopic derrick locking device
09/22/2010CN201588558U Drag ground anchorage machine
09/22/2010CN201588557U Carrying handle used for air leg of tunnel driving rock drilling machine
09/22/2010CN201588540U Large-bore separated arm type diving drill
09/22/2010CN201588538U All-hydraulic tunnel drilling machine used in coal mines
09/22/2010CN101839112A Adjusting device of frame pillar drilling machine
09/22/2010CN101158269B Method for drilling roadbed small-caliber horizontal jacking pipe and drill bit
09/15/2010CN201581815U Vertical hoisting base jacked by hydraulic cylinder
09/15/2010CN201581798U Upward type rock drilling machine
09/15/2010CN101832104A Retractable chassis structure for rotary drill
09/08/2010CN201574699U Sliding mechanism
09/08/2010CN201574691U Pavilion-type metal sinking headframe
09/08/2010CN201574690U Hydropower station underground powerhouse concrete ledge excavation steel pipe drilling sample frame
09/08/2010CN1773074B Construction apparatus
09/08/2010CN1773073B Construction apparatus
09/02/2010WO2010098672A1 Method for withdrawal and insertion of a drill pipe string in a borehole and also a device for use when practising the method
09/02/2010US20100218998 Upper Beam for a Telescopic Feeder, Telescopic Feeder and drilling device for rock drilling
09/02/2010CA2753744A1 Method for withdrawal and insertion of a drill pipe string in a borehole and also a device for use when practising the method
09/01/2010CN201567965U Mast-type derrick with hydraulic support
09/01/2010CN201567956U Anchor drill with sliding support
09/01/2010CN101476312B Semi-dragging and suspension drill floor used for petroleum drilling-workover equipment
08/2010
08/25/2010CN201560734U Wabbing workover vehicle
08/25/2010CN201560717U Derrick adjusting bearing
08/25/2010CN201560710U Integral all-hydraulic drill for mining capable of satisfying several drilling styles
08/25/2010CN201560708U Automatic walking mechanism of host machine unit of integral transportation petroleum drilling machine
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