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CN108559461A - Anhydrous emulsified wax of solid lubricant for well drilling liquid and preparation method thereof - Google Patents

Anhydrous emulsified wax of solid lubricant for well drilling liquid and preparation method thereof Download PDF

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Publication number
CN108559461A
CN108559461A CN201810511734.4A CN201810511734A CN108559461A CN 108559461 A CN108559461 A CN 108559461A CN 201810511734 A CN201810511734 A CN 201810511734A CN 108559461 A CN108559461 A CN 108559461A
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parts
added
anhydrous
solid lubricant
well drilling
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陈利
赵秀平
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SHIJIAZHUANG HUALAI DINGSHENG TECHNOLOGY Co Ltd
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SHIJIAZHUANG HUALAI DINGSHENG TECHNOLOGY Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/02Well-drilling compositions
    • C09K8/03Specific additives for general use in well-drilling compositions
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/02Well-drilling compositions
    • C09K8/03Specific additives for general use in well-drilling compositions
    • C09K8/035Organic additives
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2208/00Aspects relating to compositions of drilling or well treatment fluids
    • C09K2208/34Lubricant additives

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Preparation (AREA)
  • Lubricants (AREA)

Abstract

A kind of anhydrous emulsified wax of solid lubricant for well drilling liquid and preparation method thereof, kollag are made of the raw material that is matched following weight:15 parts~20 parts of clear water, 20 parts~30 parts of mineral oil, 20 parts~30 parts of paraffin, 12 parts~18 parts of polyethylene wax, 2 parts~5 parts of emulsifier, 1 part~3 parts of anhydrous sodium sulphate, 0.5 part~1.5 parts of thickening agent, 20 parts~30 parts of mica powder.Preparation method:Lotion is prepared, kollag is prepared.The present invention kollag performance be:Apparent viscosity variable quantity ± 5, sticking coefficient reduced rate >=30%.It has good greasy property, is conducive to the surface nature for improving drill bit, drilling tool and drilling cuttings, reduces the abrasion of drill bit, drilling tool and other accessories, extend the service life of drilling tool and drill bit.The preparation process of the present invention is simple, and easy to implement, production cost is low.The kollag is nontoxic, harmless simultaneously, has the characteristics that environmental protection, easily biological-degradable, effectively reduces the pollution to reservoir.

Description

Anhydrous emulsified wax of solid lubricant for well drilling liquid and preparation method thereof
Technical field
The present invention relates to a kind of petroleum drilling fluid auxiliary agent, specifically a kind of solid lubricant for well drilling liquid anhydrous lactitol fossil Wax.The invention further relates to the preparation methods of the anhydrous emulsified wax of the solid lubricant for well drilling liquid.
Background technology
During oil gas well drilling, due to containing many shale in stratum, it is easy to lead to drilling bit bit freezing, cause The accidents such as well slough, burying occur for borehole well instability, aggravate the abrasion on drill bit and drilling tool, cause heavy economic losses;Drilling process In, peripherally stress release, conventional drilling liquid can increase the probing intensity in shaft bottom in shaft bottom, are unfavorable for shaft bottom and stablize probing, increase Drilling bit resistance;Traditional drilling fluid materials are difficult to degrade, and can cause significantly to pollute to reservoir, influence later stage oil/gas well Exploitation yield.
Inventor retrieves following Patents documents:CN1171434A discloses a kind of cold plasticity processing of metal material It is made of following ingredients with the aqueous lubricant for cold working of hydrographic lubricant, the metal material:(A) water-soluble inorganic Salt, (B) kollag, (C) is selected from least one of mineral oil, animal and plant fat and synthetic oil oil component, the surface (D) is lived The weight ratio (B/A) of property agent and (E) water, kollag and water-soluble inorganic salt is 0.05/1-2/1, relative to water-soluble Property inorganic salts and kollag total amount, the weight ratio (C/ (A+B)) of oil component is 0.05/1-1/1, kollag and Oil component is respectively evenly dispersed and emulsifies.CN103436241A discloses a kind of embedding film lubricant emulsion of nanometer.Mainly solve Horizontal well frictional resistance is big, backing pressure is serious, drilling fluid lubricating effect difference problem.The component and proportioning of this nanometer of embedding film lubricant emulsion It is as follows by weight percentage:Modified paraffin 10~30%, compound emulsifying agent 3%~11%, alkalinity regulator 0.5~3%, nanometer Graphite 0.5~2%, surplus are water.CN104559951A discloses a kind of drilling fluid graphite solid lubricant and its preparation side Method is suitble to the environment-friendly type water base drilling fluid of shale gas horizontal well.Graphite solid lubricant includes as follows:Graphite, emulsifier, hydrolysis Polyacrylonitrile ammonium salt, sodium metasilicate, sodium sulphate.CN105567178A discloses a kind of preparation side of drilling fluid graphene lubricant Method, composition contain surfactant, antifoaming agent, ultra micro graphite and graphene and prepare completion, described device by certain device It is prepared as ultrasonic equipment and vacuum freeze.CN102676129A discloses a kind of class suitable for shale gas horizontal well Water base lubricant, the lubricant contain water, polyalcohol, vegetable fat, emulsifier, and the emulsifier is the modified copolymer of modification Object chain, modified group include that the carboxymethyl chitosan of the group from dopamine is grafted on main chain.CN103013462A is public A kind of drilling fluid baton round kollag and preparation method thereof is opened.The baton round kollag contains specific benzene Ethylene, divinylbenzene, acrylic acid, polytetrafluoroethylene (PTFE), paraffin, silica, benzoyl peroxide, polyvinyl alcohol, dodecyl Benzene sulfonic acid, the preparation method include following five steps:De- resistance, immersion, cross-linking reaction, rotary spherical digester, classification.
How the above technology is for enable the anhydrous emulsified wax of solid lubricant for well drilling liquid solve present drilling well Drill bit and the problem that drilling tool is easy to wear, drilling well resistance is big in the process, while the kollag can effectively reduce the dirt to reservoir Dye, does not provide specific guidance program.
Invention content
Technical problem to be solved by the present invention lies in, a kind of anhydrous emulsified wax of solid lubricant for well drilling liquid is provided, It can solve the problems, such as the easy bit freezing in shaft bottom in present drilling process, drill bit and drilling tool is easy to wear, drilling well resistance is big, while this is solid Body lubricant has stronger biological degradability, can effectively reduce the pollution to reservoir.
For this purpose, another technical problem to be solved by this invention is, provide a kind of solid lubricant for well drilling liquid without The preparation method of water and milk fossil waxes.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows:
A kind of anhydrous emulsified wax of solid lubricant for well drilling liquid (i.e. solid lubricant for well drilling liquid emulsified wax), skill Art scheme is that it is matched made of the raw material of (parts by weight, mass fraction) by following weight:15 parts~20 parts of clear water, mine 20 parts~30 parts of object oil, 20 parts~30 parts of paraffin, 12 parts~18 parts of polyethylene wax, 2 parts~5 parts of emulsifier, anhydrous sodium sulphate (sulfuric acid Sodium) 1 part~3 parts, 0.5 part~1.5 parts of thickening agent, 20 parts~30 parts of mica powder.
The emulsifier using one or both of emulsifier NP-10, emulsifier TX-10 (raw material) combination, two Its proportioning is arbitrary when kind (raw material) combination;The mineral oil is one kind in No. 7 white oils, No. 10 white oils, No. 15 white oils The combination of (raw material) or three kinds (raw material), its proportioning is arbitrary when three kinds (raw material) combines;The thickening agent is CMC One kind (raw material) in (i.e. carboxymethyl cellulose, sodium carboxymethylcellulose), PAC (i.e. aluminium polychloride), xanthans or three kinds The combination of (raw material), its proportioning is arbitrary when three kinds (raw material) combines.
The preparation method of the anhydrous emulsified wax of the solid lubricant for well drilling liquid comprises the technical steps that:1. preparing Lotion:Clear water is added in reaction kettle by above-mentioned weight proportion, mineral oil, (solid) paraffin, polyethylene wax are added in clear water, 75 DEG C~85 DEG C are slowly heated to, stirring is opened, emulsifier is added and anhydrous sodium sulphate carries out emulsion reaction, ensure in reaction kettle For material pH value 8~9, the emulsion reaction time is 1~1.5h, and temperature is 75 DEG C~85 DEG C, and thickening agent is added later, finally will be newborn Liquid is completely cooled down to room temperature;2. preparing kollag:Mica powder is added to (1. step is finally cooled to what room temperature obtained) It in lotion, is then mixed evenly, products therefrom is the anhydrous emulsified wax (products therefrom of solid lubricant for well drilling liquid It is solid lubricant for well drilling liquid emulsified wax to be exactly).
In above-mentioned technical proposal, preferred technical solution can be, the step 1. in stir speed (S.S.) be preferably 50~ 100r/min, 2. middle stir speed (S.S.) is preferably 50~100r/min to step.
In above-mentioned technical proposal, the preferred technical solution may also be that the solid lubricant for well drilling liquid anhydrous lactitol Fossil waxes are made of the raw material that is matched following weight:15 parts of clear water, 20 parts of mineral oil, 20 parts of paraffin, 18 parts of polyethylene wax, 5 parts of emulsifier, 1 part of anhydrous sodium sulphate, 0.5 part of thickening agent, 30 parts of mica powder.The emulsifier is NP-10 emulsifiers and TX-10 breasts The weight ratio of the combination (composition, mixture) of two kinds of raw materials of agent, NP-10 emulsifiers and TX-10 emulsifiers is 1: 1.5; The mineral oil is the combination (composition) of No. 7 white oils, three kinds of No. 10 white oils, No. 15 white oils raw materials, No. 7 white oils, No. 10 it is white Oily, three kinds of raw materials of No. 15 white oils weight ratio is 1: 1.5: 1.5;The thickening agent is xanthans.The drilling fluid is used The preparation method of the anhydrous emulsified wax of kollag comprises the technical steps that:1. preparing lotion:Exist by above-mentioned weight proportion 15 parts of clear water are added in reaction kettle, be added in clear water 5 parts of No. 7 white oils, 7.5 parts of No. 10 white oils, 7.5 parts of No. 15 white oils, 20 parts Paraffin, 18 parts of polyethylene waxes are slowly heated to 80 DEG C, open stirring, add 2 parts of NP-10 emulsifiers, 3 parts of TX-10 emulsifiers Emulsion reaction is carried out with 1 part of anhydrous sodium sulphate, ensures the material pH value in reaction kettle 8~9, the emulsion reaction time is 1h, and temperature is 80 DEG C, 0.5 part of thickening agent is added later, lotion is finally completely cooled down to room temperature;2. preparing kollag:By 30 parts of micas Powder is added in lotion, is then mixed evenly, and products therefrom is the anhydrous emulsified wax of solid lubricant for well drilling liquid.
In above-mentioned technical proposal, the preferred technical solution may also be that the solid lubricant for well drilling liquid anhydrous lactitol Fossil waxes are made of the raw material that is matched following weight:18 parts of clear water, mineral oil 25,25 parts of paraffin, 15 parts of polyethylene wax, breast 3 parts of agent, 2 parts of anhydrous sodium sulphate, 1 part of thickening agent, 25 parts of mica powder.The emulsifier is TX-10 emulsifiers;The mineral oil For No. 7 white oils;The thickening agent is three kinds of CMC (i.e. carboxymethyl cellulose), PAC (i.e. aluminium polychloride), xanthans raw materials Combination (composition), CMC, PAC, three kinds of raw materials of xanthans weight ratio be 1: 1: 2.The drilling fluid solid lubrication The preparation method of the anhydrous emulsified wax of agent comprises the technical steps that:1. preparing lotion:By above-mentioned weight proportion in reaction kettle 18 parts of clear water are added, 25 parts of No. 7 white oils, 25 parts of paraffin, 15 parts of polyethylene waxes are added in clear water, is slowly heated to 75 DEG C, opens Stirring is opened, 3 parts of TX-10 emulsifiers is added and 2 parts of anhydrous sodium sulphate carries out emulsion reaction, ensure the material pH value in reaction kettle 8 ~9, the emulsion reaction time is 1.5h, and temperature is 75 DEG C, and 1 part of thickening agent is added later, lotion is finally completely cooled down to room temperature; 2. preparing kollag:25 parts of mica powders are added in lotion, are then mixed evenly, products therefrom is drilling fluid With the anhydrous emulsified wax of kollag.
In above-mentioned technical proposal, the preferred technical solution may also be that the solid lubricant for well drilling liquid anhydrous lactitol Fossil waxes are made of the raw material that is matched following weight:20 parts of clear water, 30 parts of mineral oil, 30 parts of paraffin, 12 parts of polyethylene wax, 2 parts of emulsifier, 3 parts of anhydrous sodium sulphate, 1.5 parts of thickening agent, 20 parts of mica powder.The emulsifier be NP-10 emulsifiers,;Described Mineral oil is No. 15 white oils;The thickening agent is PAC (i.e. aluminium polychloride).The solid lubricant for well drilling liquid is anhydrous The preparation method of emulsified wax comprises the technical steps that:1. preparing lotion:20 are added in reaction kettle by above-mentioned weight proportion Part clear water, 30 parts of No. 15 white oils, 30 parts of paraffin, 12 parts of polyethylene waxes are added in clear water, are slowly heated to 85 DEG C, unlatching is stirred It mixes, adds 2 parts of NP-10 emulsifiers and 3 parts of anhydrous sodium sulphate carry out emulsion reactions, ensure material pH value in reaction kettle 8~9, The emulsion reaction time is 1.5h, and temperature is 85 DEG C, and 1.5 parts of thickening agents are added later, lotion is finally completely cooled down to room temperature;② Prepare kollag:20 parts of mica powders are added in lotion, are then mixed evenly, products therefrom is that drilling fluid is used The anhydrous emulsified wax of kollag.
Anhydrous emulsified wax of the present invention refers to that water and paraffin, polyethylene wax form lotion under emulsifier effect, Specially water-in-oil type structure, lotion outside are oil, and hydrone is rolled in the inside, so being called " anhydrous " emulsified wax.
The kollag of the present invention has reached the good impact of performance, of the invention referring to the subsequent table 1 of this specification Kollag performance is:Apparent viscosity variable quantity ± 5, sticking coefficient reduced rate >=30%.
The kollag of the present invention has the advantages that compared with the prior art:(1) the kollag tool There is good greasy property, be resistant to 160 DEG C or more high temperature, is conducive to the surface nature for improving drill bit, drilling tool and drilling cuttings, reduces and bore The abrasion of head, drilling tool and other accessories, extend drilling tool and drill bit service life (service life of drill bit extend 35% with On);(2) the kollag preparation process is simple, and easy to implement, production cost is low;(3) kollag it is nontoxic, It can slowly degrade naturally under harmless, natural conditions, can be well protected oil-gas Layer.
In conclusion the present invention solves in present drilling process, drill bit and drilling tool are easy to wear, production cost is high, technique is multiple Miscellaneous problem, while the kollag has stronger biological degradability, effectively reduces the pollution to reservoir.
Specific implementation mode
To keep the goal of the invention, technical solution and advantage of the present invention clearer, below in conjunction with embodiment to the present invention Technical solution carry out clear, complete description.Obviously, described embodiments are some of the embodiments of the present invention, Er Feiquan Portion's embodiment.Based on the embodiment in invention, those of ordinary skill in the art are obtained without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment 1:The anhydrous emulsified wax of solid lubricant for well drilling liquid of the present invention is matched by following weight Made of raw material:15 parts of clear water, 20 parts of mineral oil, 20 parts of paraffin, 18 parts of polyethylene wax, 5 parts of emulsifier, 1 part of anhydrous sodium sulphate, thickening 0.5 part of agent, 30 parts of mica powder.The emulsifier is that the combination of two kinds of raw materials of NP-10 emulsifiers and TX-10 emulsifiers (is combined Object), the weight ratio of NP-10 emulsifiers and TX-10 emulsifiers is 1: 1.5;The mineral oil be No. 7 white oils, No. 10 white oils, The combination of three kinds of raw materials of No. 15 white oils, No. 7 white oils, No. 10 white oils, three kinds of raw materials of No. 15 white oils weight ratio be 1: 1.5: 1.5;The thickening agent is xanthans.
The preparation method of the anhydrous emulsified wax of the solid lubricant for well drilling liquid comprises the technical steps that:1. preparing Lotion:15 parts of clear water are added in reaction kettle by above-mentioned weight proportion, be added in clear water 5 parts of No. 7 white oils, 7.5 parts No. 10 it is white Oil, 7.5 parts of No. 15 white oils, 20 parts of paraffin, 18 parts of polyethylene waxes, are slowly heated to 80 DEG C, open stirring (stir speed (S.S.) is 75~ 90r/min selects 80~85r/min), it adds 2 parts of NP-10 emulsifiers, 3 parts of TX-10 emulsifiers and 1 part of anhydrous sodium sulphate and carries out breast Change reaction, ensures that the material pH value in reaction kettle (selects 8, the hydrogen-oxygen that pH value available quality percent concentration is 30% 8~9 Change sodium water solution to adjust), the emulsion reaction time is 1h, and temperature is 80 DEG C, and 0.5 part of thickening agent is added later, finally that lotion is complete It is cooled to room temperature entirely;2. preparing kollag:30 parts of mica powders are added in lotion, (stirring is then mixed evenly Rate is 75~90r/min, selects 80~85r/min), products therefrom is solid lubricant for well drilling liquid anhydrous lactitol fossil Wax.
Embodiment 2:The anhydrous emulsified wax of solid lubricant for well drilling liquid of the present invention is matched by following weight Made of raw material:18 parts of clear water, 25 parts of mineral oil, 25 parts of paraffin, 15 parts of polyethylene wax, 3 parts of emulsifier, 2 parts of anhydrous sodium sulphate, thickening 1 part of agent, 25 parts of mica powder.The emulsifier is TX-10 emulsifiers;The mineral oil is No. 7 white oils;The thickening agent For the combination of CMC (i.e. carboxymethyl cellulose), three kinds of PAC (i.e. aluminium polychloride), xanthans raw materials, CMC, PAC, xanthans three The weight ratio of kind raw material is 1: 1: 2.
The preparation method of the anhydrous emulsified wax of the solid lubricant for well drilling liquid comprises the technical steps that:1. preparing Lotion:18 parts of clear water are added in reaction kettle by above-mentioned weight proportion, 25 parts of No. 7 white oils, 25 parts of paraffin, 15 are added in clear water Part polyethylene wax, is slowly heated to 75 DEG C, opens stirring (stir speed (S.S.) is 70~80r/min), adds 3 parts of TX-10 emulsifications Agent and 2 parts of anhydrous sodium sulphate carry out emulsion reaction, ensure the material pH value in reaction kettle 8~9, the emulsion reaction time is 1.5h, temperature Degree is 75 DEG C, 1 part of thickening agent (0.25 part of CMC, 0.25 part of PAC, 0.5 part of xanthans is added) is added later, finally by lotion It is completely cooled down to room temperature;2. preparing kollag:25 parts of mica powders are added in lotion, is then mixed evenly and (stirs It is 70~80r/min to mix rate), products therefrom is the anhydrous emulsified wax of solid lubricant for well drilling liquid.
Embodiment 3:The anhydrous emulsified wax of solid lubricant for well drilling liquid of the present invention is matched by following weight Made of raw material:20 parts of clear water, 30 parts of mineral oil, 30 parts of paraffin, 12 parts of polyethylene wax, 2 parts of emulsifier, 3 parts of anhydrous sodium sulphate, thickening 1.5 parts of agent, 20 parts of mica powder.The emulsifier is NP-10 emulsifiers;The mineral oil is No. 15 white oils;Described is thick Agent is PAC (i.e. aluminium polychloride).
The preparation method of the anhydrous emulsified wax of the solid lubricant for well drilling liquid comprises the technical steps that:1. preparing Lotion:20 parts of clear water are added in reaction kettle by above-mentioned weight proportion, in clear water be added 30 parts of No. 15 white oils, 30 parts of paraffin, 12 parts of polyethylene waxes are slowly heated to 85 DEG C, open stirring (stir speed (S.S.) is 50~65r/min), add 2 parts of NP-10 breasts Agent and 3 parts of anhydrous sodium sulphate carry out emulsion reaction, ensure the material pH value in reaction kettle 8~9, and the emulsion reaction time is 1.5h, Temperature is 85 DEG C, and 1.5 parts of thickening agents are added later, lotion is finally completely cooled down to room temperature;2. preparing kollag:By 20 Part mica powder is added in lotion, (stir speed (S.S.) is 50~65r/min) is then mixed evenly, products therefrom is drilling well The anhydrous emulsified wax of liquid kollag.
It is the test portion of the present invention below:
The oilfield exploitation drilling fluid of the applicable different operating modes of the anhydrous emulsified wax of solid lubricant for well drilling liquid of the present invention System.Depending on actual drilling geology condition, the geological conditions of different blocks determines dosage in drilling fluid system The difference of kollag dosage, such as during China's Eastern Margin of Ordos Basin CBM Drilling, kollag adds Amount is generally 1%~4% (weight percent).Table 1 be (more than) the kollag performance measurement result for preparing of each embodiment.
Kollag performance measurement result prepared by 1 each embodiment of table
Embodiment Apparent viscosity variable quantity Sticking coefficient reduced rate (%)
Embodiment 1 +1 ≥41.5
Embodiment 2 +0.5 ≥41.9
Embodiment 3 +1 ≥41.4
As shown in Table 1:Kollag prepared by various embodiments of the present invention can reach the good impact of performance.And have The lubricant of relevant solid kind is compared, and the manufacturing cost of (the above various embodiments) of the invention all reduces 20% or more.
The kollag of the present invention has the advantages that compared with the prior art:(1) the kollag tool There is good greasy property, be resistant to 160 DEG C or more high temperature, is conducive to the surface nature for improving drill bit, drilling tool and drilling cuttings, reduces and bore The abrasion of head, drilling tool and other accessories, extend drilling tool and drill bit service life (service life of drill bit extend 35% with On);(2) the kollag preparation process is simple, and easy to implement, production cost is low;(3) kollag it is nontoxic, It can slowly degrade naturally under harmless, natural conditions, can be well protected oil-gas Layer.
In conclusion the kollag (anhydrous emulsified wax) of the present invention is a kind of biodegradable environmentally friendly Lubricant can significantly reduce the resistance of drilling tool mill, torque, improve the lubricity of drilling fluid when applied to drilling fluid.The lubricant Unstressed configuration, bio-toxicity is low, easily biological-degradable, and good with the compatibility of drilling fluid, anti-salt property is good, in 20% brine and saturated salt Performance is better than other similar products in water, especially under the high temperature conditions (160 DEG C) greasy property is good, and cost is relatively low, it is former Material is extensive, has wide applicability.The present invention solves that drill bit and drilling tool in present drilling process be easy to wear, production cost The problem of height, complex process, while the kollag has stronger biological degradability, effectively reduces the dirt to reservoir Dye.

Claims (9)

1. a kind of anhydrous emulsified wax of solid lubricant for well drilling liquid, i.e. solid lubricant for well drilling liquid emulsified wax, feature It is that it is made of the raw material that is matched following weight:15 parts~20 parts of clear water, 20 parts~30 parts of mineral oil, 20 parts of paraffin~ 30 parts, 12 parts~18 parts of polyethylene wax, 2 parts~5 parts of emulsifier, 1 part~3 parts of anhydrous sodium sulphate, 0.5 part~1.5 parts of thickening agent, mica 20 parts~30 parts of powder;
The emulsifier is one or both of using emulsifier NP-10, emulsifier TX-10, its proportioning is when two kinds of combinations Arbitrarily;The mineral oil is No. 7 white oils, No. 10 white oils, one kind in No. 15 white oils or three kinds, it is matched when three kinds of combinations It is arbitrary;
The preparation method of the anhydrous emulsified wax of the solid lubricant for well drilling liquid comprises the technical steps that:1. preparing breast Liquid:Clear water is added in reaction kettle by above-mentioned weight proportion, mineral oil, paraffin, polyethylene wax, slow heating are added in clear water To 75 DEG C~85 DEG C, stirring is opened, emulsifier is added and anhydrous sodium sulphate carries out emulsion reaction, ensure the material pH value in reaction kettle 8~9, the emulsion reaction time is 1~1.5h, and temperature is 75 DEG C~85 DEG C, and thickening agent is added later, finally that lotion is completely cold But to room temperature;2. preparing kollag:Mica powder is added in lotion, is then mixed evenly, products therefrom is The anhydrous emulsified wax of solid lubricant for well drilling liquid, products therefrom are namely solid lubricant for well drilling liquid emulsified wax.
2. the anhydrous emulsified wax of solid lubricant for well drilling liquid according to claim 1, it is characterised in that above-mentioned thickening Agent is carboxymethyl cellulose, aluminium polychloride, one kind in xanthans or three kinds, its proportioning is arbitrary when three kinds of combinations.
3. the anhydrous emulsified wax of solid lubricant for well drilling liquid according to claim 1, it is characterised in that it is by following Made of the raw material of weight proportion:15 parts of clear water, 20 parts of mineral oil, 20 parts of paraffin, 18 parts of polyethylene wax, 5 parts of emulsifier, member are bright 1 part of powder, 0.5 part of thickening agent, 30 parts of mica powder;
The emulsifier is the combination of NP-10 emulsifiers and two kinds of raw materials of TX-10 emulsifiers, NP-10 emulsifiers and TX-10 breasts The weight ratio of agent is 1: 1.5;The mineral oil be No. 7 white oils, three kinds of No. 10 white oils, No. 15 white oils raw materials combination, 7 Number white oil, No. 10 white oils, three kinds of raw materials of No. 15 white oils weight ratio be 1: 1.5: 1.5;The thickening agent is xanthans;
The preparation method of the anhydrous emulsified wax of the solid lubricant for well drilling liquid comprises the technical steps that:1. preparing breast Liquid:15 parts of clear water are added in reaction kettle by above-mentioned weight proportion, in clear water be added 5 parts of No. 7 white oils, 7.5 parts of No. 10 white oils, 7.5 parts of No. 15 white oils, 20 parts of paraffin, 18 parts of polyethylene waxes are slowly heated to 80 DEG C, open stirring, add 2 parts of NP-10 breasts Agent, 3 parts of TX-10 emulsifiers and 1 part of anhydrous sodium sulphate carry out emulsion reaction, ensure that the material pH value in reaction kettle 8~9, emulsifies Reaction time is 1h, and temperature is 80 DEG C, and 0.5 part of thickening agent is added later, lotion is finally completely cooled down to room temperature;2. preparing solid Body lubricant:30 parts of mica powders are added in lotion, are then mixed evenly, products therefrom is that drilling fluid solid moistens The anhydrous emulsified wax of lubrication prescription.
4. the anhydrous emulsified wax of solid lubricant for well drilling liquid according to claim 1, it is characterised in that it is by following Made of the raw material of weight proportion:18 parts of clear water, 25 parts of mineral oil, 25 parts of paraffin, 15 parts of polyethylene wax, 3 parts of emulsifier, member are bright 2 parts of powder, 1 part of thickening agent, 25 parts of mica powder;
The emulsifier is TX-10 emulsifiers;The mineral oil is No. 7 white oils;The thickening agent is carboxymethyl cellulose The combination of element, three kinds of aluminium polychloride, xanthans raw materials, carboxymethyl cellulose, three kinds of aluminium polychloride, xanthans raw materials weight The ratio between amount is 1: 1: 2;
The preparation method of the anhydrous emulsified wax of the solid lubricant for well drilling liquid comprises the technical steps that:1. preparing breast Liquid:18 parts of clear water are added in reaction kettle by above-mentioned weight proportion, in clear water be added 25 parts of No. 7 white oils, 25 parts of paraffin, 15 parts Polyethylene wax is slowly heated to 75 DEG C, opens stirring, adds 3 parts of TX-10 emulsifiers and 2 parts of anhydrous sodium sulphate carry out emulsion reaction, Ensure the material pH value in reaction kettle 8~9, the emulsion reaction time is 1.5h, and temperature is 75 DEG C, and 1 part of thickening agent is added later 0.25 part of carboxymethyl cellulose, 0.25 part of aluminium polychloride, 0.5 part of xanthans is added, lotion is finally completely cooled down to room Temperature;2. preparing kollag:25 parts of mica powders are added in lotion, are then mixed evenly, products therefrom is to bore The anhydrous emulsified wax of well liquid kollag.
5. the anhydrous emulsified wax of solid lubricant for well drilling liquid according to claim 1, it is characterised in that it is by following Made of the raw material of weight proportion:20 parts of clear water, 30 parts of mineral oil, 30 parts of paraffin, 12 parts of polyethylene wax, 2 parts of emulsifier, member are bright 3 parts of powder, 1.5 parts of thickening agent, 20 parts of mica powder;
The emulsifier is NP-10 emulsifiers;The mineral oil is No. 15 white oils;The thickening agent is polyaluminium Aluminium;
The preparation method of the anhydrous emulsified wax of the solid lubricant for well drilling liquid comprises the technical steps that:1. preparing breast Liquid:20 parts of clear water are added in reaction kettle by above-mentioned weight proportion, 30 parts of No. 15 white oils, 30 parts of paraffin, 12 are added in clear water Part polyethylene wax, is slowly heated to 85 DEG C, opens stirring, adds 2 parts of NP-10 emulsifiers and 3 parts of anhydrous sodium sulphate emulsify instead It answers, ensures the material pH value in reaction kettle 8~9, the emulsion reaction time is 1.5h, and temperature is 85 DEG C, and 1.5 parts of addition is thick later Lotion is finally completely cooled down to room temperature by agent;2. preparing kollag:20 parts of mica powders are added in lotion, then It is mixed evenly, products therefrom is the anhydrous emulsified wax of solid lubricant for well drilling liquid.
6. the anhydrous emulsified wax of solid lubricant for well drilling liquid according to claims 1 or 2 or 3 or 4 or 5, feature exist In above-mentioned step, 1. middle stir speed (S.S.) is 50~100r/min, and 2. middle stir speed (S.S.) is 50~100r/min to step.
7. a kind of preparation method of the anhydrous emulsified wax of solid lubricant for well drilling liquid described in claim 1, it is characterised in that It is comprised the technical steps that:1. preparing lotion:Clear water is added in reaction kettle by above-mentioned weight proportion, mine is added in clear water Object oil, paraffin, polyethylene wax are slowly heated to 75 DEG C~85 DEG C, open stirring, add emulsifier and anhydrous sodium sulphate is emulsified Reaction ensures the material pH value in reaction kettle 8~9, and the emulsion reaction time is 1~1.5h, and temperature is 75 DEG C~85 DEG C, later Thickening agent is added, lotion is finally completely cooled down to room temperature;2. preparing kollag:Mica powder is added in lotion, so After be mixed evenly, products therefrom is the anhydrous emulsified wax of solid lubricant for well drilling liquid.
8. the preparation method of the anhydrous emulsified wax of solid lubricant for well drilling liquid according to claim 7, it is characterised in that Above-mentioned thickening agent is CMC, that is, carboxymethyl cellulose, PAC, that is, aluminium polychloride, one kind in xanthans or three kinds, three kinds of combinations When its proportioning be arbitrary.
9. the preparation method of the anhydrous emulsified wax of solid lubricant for well drilling liquid according to claim 7, it is characterised in that 1. middle stir speed (S.S.) is 50~100r/min to above-mentioned step, and 2. middle stir speed (S.S.) is 50~100r/min to step.
CN201810511734.4A 2018-05-25 2018-05-25 Anhydrous emulsified wax of solid lubricant for well drilling liquid and preparation method thereof Pending CN108559461A (en)

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Application publication date: 20180921