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 43 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
Patents for E21B 43 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells (64,186)
12/2014
12/24/2014CN204041042U 一种连续油管拖动压裂管柱 A continuous tubing fracturing string drag
12/24/2014CN204041041U 油井增液装置 Well Zengye device
12/24/2014CN204041040U 一种稠油热采装置 One kind of heavy oil thermal recovery unit
12/24/2014CN204041039U 稠油热采供热装置 Thermal recovery of heavy oil heating equipment
12/24/2014CN204041038U 单井油罐罐外循环加热原油装置 Single well hydronic heating oil tank outside the tank unit
12/24/2014CN204041037U 采油管柱药液补给装置 Production string liquid supply device
12/24/2014CN204041036U 注水井 Injection Wells
12/24/2014CN204041035U 一种气井增产系统 One kind of gas well stimulation system
12/24/2014CN204041034U 一种用于采油的工艺管柱 An oil recovery process column
12/24/2014CN204041033U 天然气井后置式节流器 Gas wells Rear throttle
12/24/2014CN204041032U 一种起爆射孔枪用的压力起爆装置 One kind of detonating the perforating gun detonating device with a pressure
12/24/2014CN204041031U 一种喷射封隔工具 An injection packer tool
12/24/2014CN204041030U 带变孔密筛管的水平井分段完井管柱 Horizontal well bore with variable density screen segment completion string
12/24/2014CN204041029U 一种堵水防砂装置 One kind of sand shutoff device
12/24/2014CN204041028U 一种油田用自清洁式防砂防气锚 One kind of oil to use self-cleaning anti-erosion control gas anchor
12/24/2014CN204041027U 采油防砂泄砂装置 Oil sand sand vent device
12/24/2014CN204041026U 一种无缆平衡长冲程抽油机 A non-cable balanced long stroke pumping unit
12/24/2014CN204041025U 抽油机绳辫保养装置 Pumping braided rope maintenance equipment
12/24/2014CN204041024U 抽油机驴头销拆卸装置 Pumping donkey stud detaching device
12/24/2014CN204041023U 一种塔式抽油机上平台的低位安装结构 Low mounting structure on the platform of a tower pumping
12/24/2014CN204041022U 一种复合旋流排水采气井下工具 A complex swirl drainage gas downhole tools
12/24/2014CN204041021U 基于北斗系统的煤层气安全生产系统 Based on Beidou system of CBM production safety system
12/24/2014CN204041020U 抗拉捞油胶塞 Tensile fishing oil stopper
12/24/2014CN204041019U 新型抽油机平衡块分体式移动装置 The new mobile device pumping weights Split
12/24/2014CN204041018U 三重防反转控制齿轮直驱装置 Triple anti-reverse gear direct-drive control device
12/24/2014CN204041017U 一种直线电机直驱抽油机 A linear motor direct drive pumping
12/24/2014CN204041008U 采油井滤水管冲洗装置 Production wells filter pipe flushing device
12/24/2014CN204041005U 一种新型齿轮齿条式钻井安全阀 A new drilling safety valve rack and pinion
12/24/2014CN204040991U 一种热采封隔器的胶筒 A heat-recoverable packer cones
12/24/2014CN204040988U 热采型可移动卡箍法兰式套管头 Thermal recovery type movable clamp flange casing head
12/24/2014CN204040971U 一种旁通式防沉砂捕球器 One kind of bypass-type anti-grit catching the ball is
12/24/2014CN204040921U 防砂采油一体管柱 Oil sand one string
12/24/2014CN204040920U 气凝胶复合隔热套管 Airgel composite thermal sleeve
12/24/2014CN104246127A 采用流入控制装置完井的油井的不稳定试井方法 Inflow control devices using the well completions transient testing method
12/24/2014CN104246125A 用于表面活性剂配制物的生物可降解螯合剂 Biological surfactants useful in the formulation of biodegradable chelate
12/24/2014CN104246124A 用于在强化采油系统中调节注入压力的线性减压器 Linear regulator for regulating the injection pressure in enhanced oil recovery system
12/24/2014CN104246123A 纤维增强弹性体定子 Fiber reinforced elastomeric stator
12/24/2014CN104246122A 流动控制装置和方法 Flow control apparatus and method
12/24/2014CN104246121A 海上重质油生产 Offshore heavy oil production
12/24/2014CN104246119A 绕过流动控制装置的设备、系统和方法 Bypass device flow control device, the system and method
12/24/2014CN104246118A 流动控制装置的设备、系统和方法 Flow control means apparatus, systems and methods
12/24/2014CN104234740A 一种低中压空气驱替高压煤层瓦斯系统及其方法 A low pressure air displacement in the high-pressure system and a method of coal seam gas
12/24/2014CN104234738A 一种低渗煤层多分支定向钻孔割缝增透方法 One kind of multi-branch hypotonic seam directional drilling method slotted AR
12/24/2014CN104234688A 一种视真型油气水三相分离器 An apparent true type gas-water three-phase separator
12/24/2014CN104234687A 一种新型连续计量分离器 A new continuous metering separator
12/24/2014CN104234686A 一种取样型计量分离器 One kind of sample type metering separator
12/24/2014CN104234685A 一种特厚煤层回采面防冲卸压钻孔错层布置方法 One kind of special thick seam mining face anti-red split-level layout relief drilling method
12/24/2014CN104234684A 一种控压打开式压裂滑套 An open-type control sleeve fracturing pressure
12/24/2014CN104234683A 一种变径机构 One kind of adjustable mechanism
12/24/2014CN104234682A 一种适用于多、薄煤层的连续油管分层压裂方法 One for more layered thin seam of coiled tubing fracturing method
12/24/2014CN104234681A 海上压裂工艺方法 Fracturing process for offshore
12/24/2014CN104234680A 天然气水合物快速热激发开采方法 Rapid thermal excitation of gas hydrate extraction method
12/24/2014CN104234679A 直井火驱移动式分层电点火系统及其运行方法 Portable fire flooding vertical wells tiered electric ignition system and method of operation
12/24/2014CN104234678A 火驱注气井用气液混合装置和注气管柱 Fire flooding with gas injection and injection gas-liquid mixing device string
12/24/2014CN104234677A 一种注气垂直驱替提高凝析气藏凝析油采收率方法 An injection vertical displacement gas condensate gas reservoirs to improve condensate recovery methods
12/24/2014CN104234676A 一种利用三元复合驱采出污水进行深部调剖的方法 A use of ASP flooding the sewage deep profile method
12/24/2014CN104234675A 一种聚合物驱后油藏激活内源微生物驱油的方法 A polymer flooding reservoir after activation method endogenous microbial enhanced oil
12/24/2014CN104234674A 一种微生物驱油产出液循环与地面发酵的方法及装置 A microbial flooding produced fluid circulation and ground fermentation method and apparatus
12/24/2014CN104234673A 考虑层间干扰的多层油藏分层配注方法 Multi-layered reservoirs Interlamination interference with injection method
12/24/2014CN104234672A 天燃气气井的压缩机抽采系统 Natural gas compressor gas drainage system
12/24/2014CN104234671A 水聚同井分层同注工艺管柱 Poly water injection process with well layered with strings
12/24/2014CN104234670A 一种塔式直线抽油机 One kind of linear pumping tower
12/24/2014CN104234669A 抽油机变频不停机调冲程调冲次装置 Non-stop pumping frequency tone stroke Tiaochong second device
12/24/2014CN104234668A 一种杠杆式综合采油设备 A lever-type integrated production equipment
12/24/2014CN104234667A 卤水沟渠及其系统和开挖方法 Brine ditches and excavation methods and systems
12/24/2014CN104234666A 智能液压节能抽油装置 Intelligent energy-saving hydraulic oil rig
12/24/2014CN104234665A 在水平井直井段监测水平段生产流量、含水的找水管柱及其工作方法 In the vertical section of horizontal wells to monitor the production flow horizontal section, aqueous find water column and its working methods
12/24/2014CN104234663A 一种用于油井解堵增油的超声波发射器 An ultrasonic transmitter by plugging oil wells
12/24/2014CN104234662A 一种可变径滑套开关 One kind can switch adjustable sleeve
12/24/2014CN104234638A 套管完井多段压裂水平井机械找水管柱及其找水方法 Casing multi-stage fracturing completion of horizontal wells to find water column and mechanical methods to find water
12/24/2014CN104232047A 三采用表面活性剂组合物、制备方法及应用 Three surface-active agent composition, preparation method and application
12/24/2014CN104225996A 一种低渗透油田开采中注水井井口过滤装置 A low permeability oilfield wellhead injection wells mining filtration device
12/24/2014CN103883305B 一种深水海底油水分离及回注装置 Deep water subsea oil and water separation and re-injection device
12/24/2014CN103403293B 一种泡沫油自励搅拌螺旋分离装置 A foamed oil self-motivation stirring spiral separator device
12/24/2014CN102900415B 深层及超深层稠油油藏双水平井火驱泄油开采方法 Deep and ultra-deep horizontal well pairs heavy oil reservoir drain fire flooding mining methods
12/24/2014CN102852509B 高阶煤煤层气储层压裂的方法 High rank coal bed methane reservoir fracturing method
12/24/2014CN102747997B 稠油油藏蒸汽辅助重力泄油后期转火驱开采方法 Late heavy oil reservoir steam assisted gravity drainage turn fire flooding mining methods
12/24/2014CN102741502B 选择性流注入的压裂技术 Selective stream injected fracturing technology
12/24/2014CN102678091B 水合物开采实验模拟的方法及围压加载与隔热一体化系统 Hydrate production test simulation method and confining pressure and thermal loads Integrated System
12/24/2014CN102635342B 一种海上稠油热化学采油方法 One kind of offshore heavy oil thermal chemical method
12/24/2014CN102587873B 一种水平井二氧化碳吞吐控水增油方法 A horizontal well water, carbon dioxide, increasing oil throughput control method
12/24/2014CN102549235B 用于在井眼中进行无源流体控制的设备和方法 Apparatus and method in the wellbore, passive fluid control for
12/24/2014CN102536178B 延长易结垢注水井增注措施周期的方法 Easy to scale injection wells extend the measures by injection cycle approach
12/24/2014CN102395751B 用于利用扫掠气从水合物储层中生产烃的方法和系统 A method for the production of hydrocarbon utilizing sweep gas from hydrate reservoirs and systems
12/23/2014US8916506 High solids content slurries, systems and methods
12/23/2014US8915297 Methods and equipment to improve reliability of pinpoint stimulation operations
12/18/2014US20140372095 Grid calculation for fluid flow modeling
12/18/2014US20140367122 Flowable devices and methods of self-orienting the devices in a wellbore
12/18/2014US20140367120 Downhole fuel cell with steam adsorption and pressure compensation
12/18/2014US20140367115 Multi power launch system for pressure differential device
12/18/2014US20140367114 Latch position indicator system and method
12/18/2014US20140367111 Wettability altering gellable treatment fluids
12/18/2014US20140367110 Geomechanical weakening with surface acting agents
12/18/2014US20140367109 On-Site Generation of a Fracturing Fluid Stream and Systems and Methods Utilizing the Same
12/18/2014US20140367108 Acidizing compositions including ampholyte polymers
12/18/2014US20140367107 Methods and compositions for stimulating the production of hydrocarbons from subterranean formations
12/18/2014US20140367101 Protected Scale Inhibitors and Methods Relating Thereto
12/18/2014US20140367100 Simultaneous Method for Combined Acidizing and Proppant Fracturing
12/18/2014US20140367099 Degradation of Polylactide in a Well Treatment
12/18/2014US20140367098 Hydrophobic compound emulsions free of silicon and fluorine for an oil recovering method that modifies the wettability of rocks from hydrophilic to oleophilic
1 ... 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 ... 642