CN105556055B - 用于地层操作的包含细长碳纳米颗粒的高温润滑剂 - Google Patents
用于地层操作的包含细长碳纳米颗粒的高温润滑剂 Download PDFInfo
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- CN105556055B CN105556055B CN201380078310.9A CN201380078310A CN105556055B CN 105556055 B CN105556055 B CN 105556055B CN 201380078310 A CN201380078310 A CN 201380078310A CN 105556055 B CN105556055 B CN 105556055B
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- base fluid
- particle
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- lubricating base
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- 239000011852 carbon nanoparticle Substances 0.000 title claims abstract description 60
- 239000000314 lubricant Substances 0.000 title claims abstract description 48
- 239000012530 fluid Substances 0.000 claims abstract description 84
- 230000001050 lubricating effect Effects 0.000 claims abstract description 63
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 19
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 15
- 239000002127 nanobelt Substances 0.000 claims abstract description 15
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 9
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 9
- 239000002116 nanohorn Substances 0.000 claims abstract description 8
- 239000003921 oil Substances 0.000 claims description 37
- -1 polyethylene group Polymers 0.000 claims description 34
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 25
- 230000003381 solubilizing effect Effects 0.000 claims description 23
- 125000000217 alkyl group Chemical group 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 15
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- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims description 6
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- 229910052736 halogen Inorganic materials 0.000 claims description 6
- 150000002367 halogens Chemical class 0.000 claims description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 6
- WCYWZMWISLQXQU-UHFFFAOYSA-N methyl Chemical compound [CH3] WCYWZMWISLQXQU-UHFFFAOYSA-N 0.000 claims description 6
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- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
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- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
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- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
- C10M171/06—Particles of special shape or size
-
- E—FIXED CONSTRUCTIONS
- 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
- E21B10/00—Drill bits
- E21B10/08—Roller bits
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- E—FIXED CONSTRUCTIONS
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- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/18—Connecting or disconnecting drill bit and drilling pipe
-
- E—FIXED CONSTRUCTIONS
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/04—Elements
- C10M2201/041—Carbon; Graphite; Carbon black
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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- C10M2207/02—Hydroxy compounds
- C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/0215—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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- C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/022—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups
- C10M2207/0225—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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- C10M2207/2805—Esters used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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- C10M2207/40—Fatty vegetable or animal oils
- C10M2207/401—Fatty vegetable or animal oils used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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- C10M2209/1033—Polyethers, i.e. containing di- or higher polyoxyalkylene groups used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
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- C10M2209/1045—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/02—Unspecified siloxanes; Silicones
- C10M2229/025—Unspecified siloxanes; Silicones used as base material
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Abstract
本文公开的实施方案提供一种高温润滑剂,其包含油溶性润滑基液或水溶性润滑基液;及流动对齐的细长碳纳米颗粒。在一些实施方案中,所述润滑组合物可以选自由石墨烯纳米带、碳纳米管、碳纳米角和其任何组合组成的组。
Description
发明背景
本文所描述的实施方案的方法涉及用于井下切割工具的包含细长碳纳米颗粒的高温润滑剂和其制造方法。
如本文所使用,术语“井下切割工具”的所有形式是指可以***作来通过钻孔在地下形成井眼以例如达到期望地层的任何种类的井下工具。井下切割工具的实例包括但不限于牙轮钻头、聚晶金刚石复合片钻头、刮刀钻头、孕镶钻头、具有切割元件的铰刀等。井下切割工具包括切割元件,其通过释放土料例如通过剪切或压碎切割元件所接触的相邻地层材料来帮助切割工具穿透地面。相关的钻井技术例如钻井液向下穿过钻柱并且向上穿过在钻柱和井眼之间形成的环面的循环被用于从井眼连续移除地层材料和其它碎屑。井下切割工具的钻速是钻井效率的一个量度。如本文所使用,术语“钻速”(“ROP”)是指可以在地下钻孔的速率。ROP可以表示为在钻井时随时间形成的井眼的深度,例如英尺/小时。
井下切割工具由于某些组件例如轴承、轴承组合件、轴承表面、密封件和其它支撑结构(在本文中统称为“支撑结构”)上的磨损而必须定期进行更换。更换磨损部件通常需要耗时的步骤,例如停止钻井操作、从井眼移出(即“起出”)钻井组合件、更换支撑结构或整个井下切割工具以及将钻井组合件放回井眼中以继续钻井。与这种更换相关的停机时间的代价是高昂的。因为润滑减少运动部件之间的摩擦和相关磨损,所以润滑剂经常被用来润滑井下切割工具中的支撑结构。润滑因此延长井下切割工具的寿命且因此延长任何所需更换之间的时间。
附图简述
以下图示被包括来说明本文所描述的示例性实施方案的某些方面且不应该被视为排他性实施方案。如受益于本公开的本领域技术人员将想到,公开的主题能够在形式及功能上具有大量修改、改动、组合和等效物。
图1提供牙轮钻头的图解。
图2说明适于钻出穿透地层的井眼的***。
图3提供包含本文所描述的至少一个实施方案的高温润滑剂的牙轮钻头的一部分的截面图。
图4提供在本文所描述的至少一个实施方案的高温润滑剂中的官能化对齐细长碳纳米颗粒的视图。
具体实施方式
本文所描述的实施方案的方法涉及用于井下切割工具的包含细长碳纳米颗粒的高温润滑剂和其制造方法。
虽然本文公开的实施方案专注于提供用于地层钻井切割工具的包含细长碳纳米颗粒的高温润滑剂(在文中又简称为“润滑剂”),但是所述润滑剂可以有效地用于可以受益于润滑液的任何其它地层处理设备或操作。这些处理操作可以包括用于操作的设备,这些操作包括但不限于井漏操作、增产操作、防砂操作、完井操作、酸化操作、阻垢操作、阻水操作、粘土稳定剂操作、压裂操作、压裂充填操作、砾石充填操作、井眼加强操作、流挂控制操作和其任何组合。
此外,如本文的一些实施方案中所描述的包含细长碳纳米颗粒的润滑剂可以用于任何可以受益于润滑液的非地层操作。这些操作可以在任何工业中进行,包括但不限于石油天然气、采矿、化学、制浆造纸、纸张加工、航空航天、医疗、汽车等工业。
下文提供根据本公开的一个或多个说明性实施方案。为了简明起见,本申请中并未描述或示出实际实施方式的所有特征。应当理解,在合并有本文公开的实施方案的实际实施方案的开发中,必须作出许多针对实施细节的决定以实现开发者的目标,例如符合制度相关、商业相关、政府相关和其它的限制,这些限制随实施方式和时间的不同而变化。虽然开发者的努力可能是复杂和耗时的,然而这些努力对于受益于本公开的本领域一般技术人员来说将会是常规任务。
应当注意,当在本文的数值列表的开头提供“约”时,该术语修饰数值列表中的每个数字。在一些数值列表的范围内,列出的一些下限可以大于列出的一些上限。本领域技术人员将认识到,所选择的子集将要求选择的上限超过所选择的下限。除非另外说明,否则在本说明书和相关权利要求书中使用的表示成分的量、性质诸如分子量、反应条件等的所有数值应该被理解为在所有情况下被术语“约”修饰。因此,除非有相反的说明,否则在以下说明书和所附权利要求书中列出的数值参数为近似值,其可以根据寻求通过本文所描述的示例性实施方案得到的所需性质而变化。至少并且不是要试图限制等同原则应用于权利要求范围,每个数值参数应该至少根据所记录的有效数字的数目并通过应用普通的四舍五入技术来理解。
用于井眼钻探的一种重要类型的井下切割工具是牙轮钻头,在图1中示出为100。在牙轮钻头中,旋转锥102具有位于其外表面上的镶齿104并且被安装在钻体的一个或多个臂部106上。在钻井期间,如图2中所示,钻机208利用管道210的截面将旋转力转移至牙轮钻头200,并利用泵212使钻井液通过管道210的截面循环(如流动箭头A所示)至井眼的底部。当牙轮钻头旋转时,施加的钻压(“WOB”)迫使旋转锥的下向镶齿进入被钻探的地层中。因此,镶齿的尖端施加超过地层的屈服应力的压缩应力,导致形成井眼。所产生的碎片(又称作“切屑”)被高流量的钻井液从切割面冲走。
牙轮钻头通常包括一个或多个支撑臂和可以可旋转地安装在每个支撑臂的内部的锥体组合件。每个锥体组合件可以包括基座,其具有在其中形成的空腔或开口,该空腔或开口可以被制作成一定尺寸以接收心轴的外部,从而允许锥体组合件在钻取井眼时相对于关联心轴转动。各种轴承、轴承组合件、轴承表面、密封件和/或其它支撑结构可以布置在每个锥体组合件的内部和关联心轴的外部之间。这些轴承、轴承组合件、轴承表面、密封件和/或其它支撑结构可以被润滑剂包围,该润滑剂可以被封闭并与其它井眼流体(例如钻井液)分离。这类润滑剂可以减小旋转力(即,扭力)和轴向力(即,阻力),降低当量循环密度,减少井下切割工具的机械磨损等。因此,润滑剂可以降低与钻井有关的成本并且提高钻井效率,特别可以在偏斜或水平井眼中提高。
现在参照图3(牙轮钻头的一部分的截面图),旋转接头302由两个元件限定:被示出为牙轮的第一元件304和被示出为具有心轴的支撑臂的第二元件308。支撑结构318(例如轴承、轴承组合件、密封件等)被构造成密封旋转接头302的一部分,从而限定密封部分312和未密封部分314。如本文的一些实施方案中所公开的包含细长碳纳米颗粒的润滑剂可以位于密封部分312中,以使得该润滑剂与在钻井操作期间使用的其它流体分离。可以通过本领域中已知的任何方法将该润滑剂放置在密封部分312中,例如通过使用嵌在牙轮钻头内的密封型润滑剂供应组合件和类似方法。
在本文公开的一些实施方案中,公开了一种润滑剂,其包含油溶性润滑基液或水溶性润滑基液和流动对齐的细长碳纳米颗粒。在其它实施方案中,本文公开了一种钻头,其包括限定密封部分和未密封部分的旋转接头,其中该密封部分包含润滑剂,该润滑剂包含油溶性润滑基液或水溶性润滑基液以及流动对齐的细长碳纳米颗粒。仍在其它实施方案中,本文公开了一种钻探地层的方法,其包括:提供钻头,该钻头包括限定密封部分和未密封部分的旋转接头,其中该密封部分包含润滑剂,该润滑剂包含油溶性润滑基液或水溶性润滑基液以及流动对齐的细长碳纳米颗粒;和利用该钻头在地层中钻出井眼。
合适的油溶性润滑基液可以包括但不限于:动物油、植物油、矿物油、柴油、原油、石油衍生物、二醇、酯、硅酮、硬脂酸酯、聚氧乙烯、油溶性聚合物和其任何组合。在一些实施方案中,油溶性润滑基液可以具有大于约200℃的降解温度。在其它实施方案中,油溶性润滑基液可以具有从约200℃、225℃、250℃、275℃、300℃、325℃和350℃的下限范围到约500℃、475℃、450℃、425℃、400℃、375℃和350℃的上限范围的范围内的降解温度。
合适的水溶性润滑基液可以包括但不限于:脂肪醇、聚烷二醇、二烷二醇、烷二醇单烷基醚、二烷二醇单烷基醚和其任何组合。在一些实施方案中,油溶性润滑基液可以具有大于约120℃的降解温度。在其它实施方案中,油溶性润滑基液可以具有从约120℃、150℃、175℃、200℃、225℃、250℃、275℃、300℃、325℃和350℃的下限范围到约500℃、475℃、450℃、425℃、400℃、375℃和350℃的上限范围的范围内的降解温度。油溶性润滑基液和水溶性润滑基液的高降解温度在高温地层中以及在高温高压条件下钻井时可以特别有用。
在一些情况下,油溶性或水溶性润滑基液可以进一步包括增稠剂如例如金属皂、粘土、硅石、石棉、氧化物、磷酸盐和其任何组合。受益于本公开的本领域一般技术人员将认识到包含在本文所描述的实施方案的润滑剂组合物中的适当类型的润滑基液。虽然描述了组合物和方法“包括”多个组分或步骤,但是所述组合物和方法还可以包括“基本上由多个组分和步骤组成”或“由多个组分和步骤组成”。当在权利要求或本公开中使用“包括”时,它是开放式的。
在本文的一些实施方案中描述的细长碳纳米颗粒可以采用多种形式,如例如石墨烯纳米带、碳纳米管、碳纳米角和其任何组合。石墨烯纳米带(“GNR”)是由解开的碳纳米管形成的石墨烯的长条,其可以是从约5nm至约50nm宽和从约100nm至约2μm长。在其它实施方案中,GNR可以是从约5nm至约30nm宽和从约500nm至约1μm长。仍在其它实施方案中,GNR可以是从约5nm至约30nm宽和从约100nm至约500nm长。基于本领域一般技术人员已知的某些因素(包括但不限于所使用的基液类型、石墨烯纳米带的合成方法、所需的润滑量、地层条件等),本文公开的石墨烯纳米带的宽度和长度范围可以是这些范围以外的任何大小。如本文所使用,术语“石墨烯”包括少层石墨烯且术语“石墨烯纳米带”包括少层石墨烯纳米带。碳纳米管是具有圆柱形结构的碳同素异形体。对于用于本文所描述的实施方案来说,这些碳纳米管可以是单壁碳纳米管(“SWNT”)或多壁碳纳米管(“MWNT”)(例如,比起SWNT具有2至50个或更多个壁)。碳纳米角(“CNH”)是碳的同素异形体且类似于碳纳米管是具有锥形或角状末端的主要为圆柱形的细长结构。在一些实施方案中,细长碳纳米颗粒可以以油溶性或水溶性润滑基液的约1重量%至约80重量%范围内的量存在于本文所描述的实施方案的润滑剂中。在其它实施方案中,细长碳纳米颗粒可以以油溶性或水溶性润滑基液的约15重量%至约50重量%范围内的量存在于本文所描述的实施方案的润滑剂中。
细长碳纳米颗粒可以赋予本文所描述的实施方案的油溶性或水溶性润滑基液在单独使用时额外的润滑性,因为其可以进一步降低润滑基液的摩擦系数。降低的摩擦系数可以归因于细长碳纳米颗粒的低剪切性质。另外,当存在于滑动的金属接触表面上(例如在轴承和其它金属表面之间)时,细长碳纳米颗粒可以防止或减少金属氧化(例如腐蚀)。由于细长碳纳米颗粒的拉伸强度,其可以进一步帮助确保本文公开的润滑剂在长时间内和在极端温度和/或压力条件下拥有所需的润滑性,因为它们抗降解。
可以通过本领域中已知的任何方法来合成(或“生长”)用于本文所描述的实施方案的润滑剂中的细长碳纳米颗粒。细长碳纳米颗粒可以通过如下方法来合成,包括但不限于外延生长基质(例如钌、铱、镍、铜、钴、铬、不锈钢、碳化硅、二氧化钛、氧化铝、硅石、蓝宝石等);化学气相沉积;激光消融;电弧放电;等离子体焰炬;纳米管解开等等。
本文所公开的实施方案的细长碳纳米颗粒能够在油溶性或水溶性润滑基液中流动对齐。即,当油溶性或水溶性润滑基液经历摩擦时,细长碳纳米颗粒将对齐。如本文所使用,术语“对齐”的所有形式是指细长碳纳米颗粒在同一方向平面内的定向。细长碳纳米颗粒的对齐可以有助于赋予润滑剂润滑性,因为这样的定向可以允许遇到润滑剂的表面(例如井下切割工具的密封部分内的支撑结构)所遇到的细长碳纳米颗粒的表面积比如果细长碳纳米颗粒未对齐时将遇到的表面积大。当细长碳纳米颗粒在油溶性或水溶性润滑基液中遇到摩擦时,如上所述的细长碳纳米颗粒的大小和形状可以有助于允许自然对齐。
在一些实施方案中,本文所公开的实施方案的细长碳纳米颗粒可以官能化。官能化可以有助于使细长碳纳米颗粒增溶和并入油溶性或水溶性润滑基液中。在本文的一些实施方案中描述的细长碳纳米颗粒可以包含含氧官能团(例如,-OH、-COOH等),其可以有利地充当用于官能化的化学把手。可以通过使用有助于将细长碳纳米颗粒并入油溶性或水溶性润滑基液中的任何部分来完成官能化。
在一些实施方案中,可以利用水增溶基团、油增溶基团和其任何组合使细长碳纳米颗粒官能化。合适的水增溶基团的实例包括但不限于羧基、磺酸酯基、硫酸酯基、磷酸酯基、膦酸酯基、糖基、核苷基团、核苷酸基团、肽基、二醇基团、聚环氧乙烷基团、聚乙二醇基团、羟基、硫酸酯基、环氧基团、醛基、羰基、卤甲酰基、碳酸酯基、酯基、甲氧基、氢过氧基、过氧基、醚基、meiacetal基团、meniketal基团、缩醛基、原酸酯基、原碳酸酯基和其任何组合。合适的油增溶基团的实例包括但不限于烃基。用作本文所公开的一些实施方案中的油增溶基团的烃基的实例包括但不限于烷基、烯基、炔基、苯基、芳基、环烷基、异戊烯基、三苯甲基、甲基负离子基、金刚烷-2-基、环烯基、环三烯烃基、环二烯烃基、C60富勒烯基和其任何组合。
现在参照图4,如本文的一些实施方案中所公开的细长碳纳米颗粒410被示出为对齐(例如,在相同的方向平面内)。化学把手412被官能团(水增溶或油增溶官能团)414官能化。官能团414有助于使细长碳纳米颗粒410增溶在水溶性或油溶性润滑基液408中,以形成本文所公开的润滑剂。
用于使本文的一些实施方案中所公开的细长碳纳米颗粒官能化的一个或多个特定基团的选择对于受益于本公开的本领域一般技术人员来说将容易显而易见。可能影响特定水增溶和/或油增溶基团的选择的因素可以包括但不限于:所选择的油溶性或水溶性润滑基液的类型(例如,如果选择水溶性润滑基液,则可以优选水增溶基团,而如果选择油溶性润滑基液,则可以优选油增溶基团)、细长碳纳米颗粒当在地下操作期间使用时预计将遇到的条件(例如,温度)等。
本文公开的实施方案包括:
A.一种钻头,其包括:限定密封部分和未密封部分的旋转接头,其中该密封部分包含高温润滑剂,该润滑剂包含油溶性润滑基液或水溶性润滑基液以及响应于该油溶性润滑基液或该水溶性润滑基液中的摩擦力而流动对齐的细长碳纳米颗粒。
B.一种钻探地层的方法,其包括:提供钻头,该钻头包括限定密封部分和未密封部分的旋转接头,其中该密封部分包含高温润滑剂,该润滑剂包含油溶性润滑基液或水溶性润滑基液以及响应于该油溶性润滑基液或该水溶性润滑基液中的摩擦力而流动对齐的细长碳纳米颗粒;和利用该钻头在地层中钻出井眼。
C.一种高温润滑剂,其包含:具有大于约200℃的分解温度的油溶性润滑基液;和响应于该油溶性润滑基液中的摩擦力而流动对齐的细长纳米颗粒,其中该细长纳米颗粒被选自由烃基组成的组的油增溶基团官能化,该烃基选自由烷基、烯基、炔基、苯基、芳基、环烷基、异戊烯基、三苯甲基、甲基负离子基、金刚烷-2-基、环烯基、环三烯烃基、环二烯烃基、C60富勒烯基和其任何组合组成的组,且其中官能化至少部分使细长碳纳米颗粒增溶于油溶性润滑基液中。
D.一种高温润滑剂,其包含:具有大于约120℃的分解温度的水溶性润滑基液;和响应于该水溶性润滑基液中的摩擦力而流动对齐的细长纳米颗粒,其中该细长纳米颗粒被选自由以下所组成的组的水增溶基团官能化:羧基、磺酸酯基、硫酸酯基、磷酸酯基、膦酸酯基、糖基、核苷基团、核苷酸基团、肽基、二醇基团、聚环氧乙烷基团、聚乙二醇基团、羟基、硫酸酯基、环氧基团、醛基、羰基、卤甲酰基、碳酸酯基、酯基、甲氧基、氢过氧基、过氧基、醚基、meiacetal基团、meniketal基团、缩醛基、原酸酯基、原碳酸酯基和其任何组合,且其中官能化至少部分使细长碳纳米颗粒增溶于水溶性润滑基液中。
实施方案A、B、C和D中的每个可以具有以下额外要素中的一个或多个的任何组合:
要素1:其中油溶性润滑基液具有大于约200℃的分解温度。
要素2:其中水溶性润滑基液具有大于约120℃的分解温度。
要素3:其中细长碳纳米颗粒选自由石墨烯纳米带、碳纳米管、碳纳米角和其任何组合组成的组。
要素4:其中石墨烯纳米带的宽度在约5nm至约50nm的范围内,且长度在约100nm至约2μm的范围内。
要素5:其中使细长碳纳米颗粒官能化以至少部分使细长碳纳米颗粒增溶于油溶性润滑基液或水溶性润滑基液中。
要素6:其中利用水增溶基团、油增溶基团和其任何组合使细长碳纳米颗粒官能化。
要素7:其中水增溶基团选自由以下所组成的组:羧基、磺酸酯基、硫酸酯基、磷酸酯基、膦酸酯基、糖基、核苷基团、核苷酸基团、肽基、二醇基团、聚环氧乙烷基团、聚乙二醇基团、羟基、硫酸酯基、环氧基团、醛基、羰基、卤甲酰基、碳酸酯基、酯基、甲氧基、氢过氧基、过氧基、醚基、meiacetal基团、meniketal基团、缩醛基、原酸酯基、原碳酸酯基和其任何组合。
要素8:其中油增溶基团是选自由以下所组成的组的烃基:烷基、烯基、炔基、苯基、芳基、环烷基、异戊烯基、三苯甲基、甲基负离子基、金刚烷-2-基、环烯基、环三烯烃基、环二烯烃基、C60富勒烯基和其任何组合。
要素9:其中油溶性润滑基液选自由动物油、植物油、矿物油、柴油、原油、石油衍生物、二醇、酯、硅酮、硬脂酸酯、聚氧乙烯、油溶性聚合物和其任何组合组成的组。
要素10:其中水溶性润滑基液选自由脂肪醇、聚烷二醇、二烷二醇、烷二醇单烷基醚、二烷二醇单烷基醚和其任何组合组成的组。
作为非限制性实例,适用于A、B、C和D的示例性组合包括:A具有2、5和6;B具有3、5、9和10;C具有3和9;D具有3、4和10。
因此,本文公开的实施方案良好地适于实现所提及的目的和优点以及其中固有的那些目的和优点。上文公开的特定实施方案仅为说明性,因为本文公开的实施方案可以以对于受益于本文教导的本领域技术人员显而易见的不同但是等效的方式进行修改和实施。此外,除了所附权利要求书中描述的之外,无意限制本文示出的结构或设计的细节。因此显然的是,上文公开的特定说明性实施方案可以进行改变、组合或修改,并且所有这些变型被认为在本文所公开的实施方案的范围和精神之内。本文说明性公开的实施方案可以合适地在不存在本文未具体公开的任何要素和/或本文公开的任何可选要素的情况下实施。虽然描述了组合物和方法“包括”、“含有”或“包含”多个组分或步骤,但是所述组合物和方法还可以包括“基本上由多个组分和步骤组成”或“由多个组分和步骤组成”。上文公开的所有数值和范围可以以一定的量进行变化。无论何时公开了具有下限和上限的数值范围,都具体公开了落在该范围内的任何数值和任何所包括的范围。具体来说,本文公开的每个数值范围(形式为“约a至约b”,或等效地为“约a至b”,或等效地为“约a-b”)应该被理解为列出了涵盖在较宽广的数值范围内的每个数字和范围。此外,权利要求书中的术语具有它们的平常、普通含义,除非专利权人另外明确和清楚地进行了定义。此外,权利要求书中使用的不定冠词“一(a)”或“一(an)”在本文中的定义为意指一个或大于一个其引入的要素。如果本说明书和可以通过引用并入本文的一个或多个专利或其它文献中的词语或术语的使用存在任何冲突,则应当采用与本说明书一致的定义。
Claims (24)
1.一种钻头,其包括:
限定密封部分和未密封部分的旋转接头,
其中所述密封部分包含高温润滑剂,所述高温润滑剂包含油溶性润滑基液或水溶性润滑基液以及响应于所述油溶性润滑基液或所述水溶性润滑基液中的摩擦力而流动对齐的细长碳纳米颗粒,
其中使所述细长碳纳米颗粒官能化以至少部分使所述细长碳纳米颗粒增溶于所述油溶性润滑基液或所述水溶性润滑基液中。
2.根据权利要求1所述的钻头,其中所述油溶性润滑基液具有大于200℃的分解温度。
3.根据权利要求1所述的钻头,其中所述水溶性润滑基液具有大于120℃的分解温度。
4.根据权利要求1所述的钻头,其中所述细长碳纳米颗粒选自由石墨烯纳米带、碳纳米管、碳纳米角和其任何组合组成的组。
5.根据权利要求4所述的钻头,其中所述石墨烯纳米带的宽度在5nm至50nm的范围内,且长度在100nm至2μm的范围内。
6.根据权利要求1所述的钻头,其中利用水增溶基团、油增溶基团或其任何组合使所述细长碳纳米颗粒官能化。
7.根据权利要求6所述的钻头,其中所述水增溶基团选自由以下所组成的组:羧基、糖基、核苷基团、核苷酸基团、肽基、二醇基团、聚环氧乙烷基团、聚乙二醇基团、羟基、环氧基团、醛基、羰基、卤甲酰基、酯基、甲氧基、氢过氧基、过氧基、醚基、缩醛基、和其任何组合。
8.根据权利要求6所述的钻头,其中所述油增溶基团是选自由以下所组成的组的烃基:烷基、烯基、炔基、苯基、芳基、环烷基、异戊烯基、三苯甲基、甲基负离子基、金刚烷-2-基、环烯基、环三烯烃基、环二烯烃基、C60富勒烯基和其任何组合。
9.一种钻探地层的方法,其包括:
提供钻头,所述钻头包括限定密封部分和未密封部分的旋转接头,
其中所述密封部分包含高温润滑剂,所述高温润滑剂包含油溶性润滑基液或水溶性润滑基液以及响应于所述油溶性润滑基液或所述水溶性润滑基液中的摩擦力而流动对齐的细长碳纳米颗粒,其中使所述细长碳纳米颗粒官能化以至少部分使所述细长碳纳米颗粒增溶于所述油溶性润滑基液或所述水溶性润滑基液中;和
利用所述钻头在所述地层中钻出井眼。
10.根据权利要求9所述的方法,其中所述油溶性润滑基液具有大于200℃的分解温度。
11.根据权利要求9所述的方法,其中所述水溶性润滑基液具有大于120℃的分解温度。
12.根据权利要求9所述的方法,其中所述细长碳纳米颗粒选自由石墨烯纳米带、碳纳米管、碳纳米角和其任何组合组成的组。
13.根据权利要求12所述的方法,其中所述石墨烯纳米带的宽度在5nm至50nm的范围内,且长度在100nm至2μm的范围内。
14.根据权利要求9所述的方法,其中利用水增溶基团、油增溶基团或其任何组合使所述细长碳纳米颗粒官能化。
15.根据权利要求14所述的方法,其中所述水增溶基团选自由以下所组成的组:羧基、糖基、核苷基团、核苷酸基团、肽基、二醇基团、聚环氧乙烷基团、聚乙二醇基团、羟基、环氧基团、醛基、羰基、卤甲酰基、酯基、甲氧基、氢过氧基、过氧基、醚基、缩醛基、和其任何组合。
16.根据权利要求14所述的方法,其中所述油增溶基团是选自由以下所组成的组的烃基:烷基、烯基、炔基、苯基、芳基、环烷基、异戊烯基、三苯甲基、甲基负离子基、金刚烷-2-基、环烯基、环三烯烃基、环二烯烃基、C60富勒烯基和其任何组合。
17.一种高温润滑剂,其包含:
具有大于200℃的分解温度的油溶性润滑基液;和
响应于所述油溶性润滑基液中的摩擦力而流动对齐的细长碳纳米颗粒,
其中所述细长碳纳米颗粒被选自由烃基组成的组的油增溶基团官能化,所述烃基选自由烷基、烯基、炔基、苯基、芳基、环烷基、异戊烯基、三苯甲基、甲基负离子基、金刚烷-2-基、环烯基、环三烯烃基、环二烯烃基、C60富勒烯基和其任何组合组成的组,且
其中官能化至少部分使所述细长碳纳米颗粒增溶于所述油溶性润滑基液中。
18.根据权利要求17所述的高温润滑剂,其中所述油溶性润滑基液选自由动物油、植物油、矿物油、柴油、原油、石油衍生物、二醇、酯、硅酮、硬脂酸酯、聚氧乙烯、和其任何组合组成的组。
19.根据权利要求17所述的高温润滑剂,其中所述细长碳纳米颗粒选自由石墨烯纳米带、碳纳米管、碳纳米角和其任何组合组成的组。
20.根据权利要求19所述的高温润滑剂,其中所述石墨烯纳米带的宽度在5nm至50nm的范围内,且长度在100nm至2μm的范围内。
21.一种高温润滑剂,其包含:
具有大于120℃的分解温度的水溶性润滑基液;和
响应于所述水溶性润滑基液中的摩擦力而流动对齐的细长碳纳米颗粒,
其中所述细长碳纳米颗粒被选自由以下所组成的组的水增溶基团官能化:羧基、糖基、核苷基团、核苷酸基团、肽基、二醇基团、聚环氧乙烷基团、聚乙二醇基团、羟基、环氧基团、醛基、羰基、卤甲酰基、酯基、甲氧基、氢过氧基、过氧基、醚基、缩醛基、和其任何组合,且
其中官能化至少部分使所述细长碳纳米颗粒增溶于所述水溶性润滑基液中。
22.根据权利要求21所述的高温润滑剂,其中所述水溶性润滑基液选自由脂肪醇、聚烷二醇、二烷二醇、烷二醇单烷基醚、二烷二醇单烷基醚和其任何组合组成的组。
23.根据权利要求21所述的高温润滑剂,其中所述细长碳纳米颗粒选自由石墨烯纳米带、碳纳米管、碳纳米角和其任何组合组成的组。
24.根据权利要求23所述的高温润滑剂,其中所述石墨烯纳米带的宽度在5nm至50nm的范围内,且长度在100nm至2μm的范围内。
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- 2013-08-30 CN CN201380078310.9A patent/CN105556055B/zh not_active Expired - Fee Related
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CA2918516A1 (en) | 2015-03-05 |
CN105556055A (zh) | 2016-05-04 |
DE112013007383T5 (de) | 2016-05-12 |
GB201600708D0 (en) | 2016-03-02 |
GB2533058A (en) | 2016-06-08 |
BR112016002318A2 (pt) | 2017-08-01 |
US9493723B2 (en) | 2016-11-15 |
WO2015030794A1 (en) | 2015-03-05 |
US20160177215A1 (en) | 2016-06-23 |
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