CN110499148A - A kind of lubricant for drilling fluids fatty alcohol derivative and preparation method thereof - Google Patents
A kind of lubricant for drilling fluids fatty alcohol derivative and preparation method thereof Download PDFInfo
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- CN110499148A CN110499148A CN201810484299.0A CN201810484299A CN110499148A CN 110499148 A CN110499148 A CN 110499148A CN 201810484299 A CN201810484299 A CN 201810484299A CN 110499148 A CN110499148 A CN 110499148A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/02—Well-drilling compositions
- C09K8/03—Specific additives for general use in well-drilling compositions
- C09K8/035—Organic additives
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/28—Friction or drag reducing additives
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/34—Lubricant additives
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Abstract
The invention belongs to deep-well, ultradeep well technical field, a kind of lubricant for drilling fluids fatty alcohol derivative and preparation method thereof is disclosed.The lubricant is prepared by the raw material comprising following parts by weight: 20~30 parts of fatty acid, 40~50 parts of fatty alcohol polyoxyethylene ether, 1~5 part of catalyst, 15~20 parts of boric acid, 3~10 parts of emulsifier, 20~30 parts of dispersing agent.With good heat-resisting property, 150 DEG C of single dose temperature resistance or more, drilling fluid system is added can also be 150 DEG C of temperature resistance or more；It with good dispersibility and strong adsorptivity, can be dispersed in system, while form uniform coated oil in the borehole wall or surface of drill stem, reduce the frictional resistance between drilling tool and the borehole wall；Bit balling performance is prevented with good, plays the role of improving drilling speed；With good compatibility, it is suitable for light slurry and salt slurries, is more widely applied.
Description
Technical field
The invention belongs to deep-wells, ultradeep well technical field, are related to a kind of drilling fluid additive, and in particular to a kind of drilling well
Liquid with lubricator fatty alcohol derivative and preparation method thereof.
Background technique
The exploration of the deep-well of Hinterland of The Junggar Basin and Nan Yuan, ultradeep well and extended horizontal well.These regional reservoirs bury
Hide the variation of relatively deep, strata pressure greatly, complex lithology, so probing difficulty, at high cost, timeliness is low.In drilling process, drilling well
There are many technical problem that liquid level faces, such as: wellbore stability, leakage, hole cleaning, environmental pollution, high cost.The especially mountain Nan Yuan
Front construction, strong retraction mud shale, the super-pressure formation fluid, height on geological condition complex, especially Anjihaihe Stratum stratum
Borehole well instability caused by tectonic stress, high steep stratigraphic dip and top thicker conglomerate layer, geology crushed zone etc., causes the area to bore
Well speed is low, accident, it is complicated when rate it is high.
Currently used water-base drilling fluid, which exists, lubricates anti-sticking scarce capacity, it is difficult to meet safely and fast drilling requirements.Portion
Well is divided to use oil base drilling fluid, but there are at high cost, environmental pollution is serious for oil base drilling fluid.Therefore, it is necessary to by oil base drilling well
The advantages of liquid and water-base drilling fluid, combines together, researches and develops high performance water-base drilling fluid with lubricator.
Summary of the invention
The present invention with realize deep & ultra-deep well lubrication, safe and efficient, environmentally friendly probing for main goal of attack, screening and modified
Corresponding lubricant for drilling fluids out forms the lubricant for drilling fluids fatty alcohol derivative for being suitble to deep & ultra-deep well.Pass through association
The unification of internal and external reasons is realized with bonding action, really effectively solves deep-well, the anti-sticking of ultradeep well, lubrication, environmental pollution, Gao Chengben
The problems such as.
The present invention provides a kind of lubricant for drilling fluids fatty alcohol derivatives, and the lubricant is by including following parts by weight
Raw material be prepared: 20~30 parts of fatty acid, 40~50 parts of fatty alcohol polyoxyethylene ether, 1~5 part of catalyst, boric acid 15~
20 parts, 3~10 parts of emulsifier, 20~30 parts of dispersing agent.
Preferably, above-mentioned lubricant is prepared by the raw material comprising following parts by weight: 20~35 parts of fatty acid, fat
40~45 parts of alcohol polyoxyethylene ether, 1~3 part of catalyst, 15~20 parts of boric acid, 3~5 parts of emulsifier, 20~25 parts of dispersing agent.
Wherein, in above-mentioned lubricant for drilling fluids fatty alcohol derivative, the fatty acid is in oleic acid and octadecenic acid
It is at least one.
Wherein, in above-mentioned lubricant for drilling fluids fatty alcohol derivative, the catalyst is phosphoric acid, alchlor, to first
At least one of base benzene sulfonic acid, sodium hydroxide and compound alkali.
Wherein, in above-mentioned lubricant for drilling fluids fatty alcohol derivative, the emulsifier is spans, such as span80,
At least one of span85 and tween80.
Wherein, in above-mentioned lubricant for drilling fluids fatty alcohol derivative, the dispersing agent is white oil.
The present invention also provides the preparation method of above-mentioned lubricant for drilling fluids fatty alcohol derivative, this method includes following step
It is rapid:
(1) under normal temperature condition, fat the esterification reaction of fatty acid and fatty alcohol polyoxyethylene ether: is added into reaction kettle
Acid is warming up to 50~55 DEG C, and fatty alcohol polyoxyethylene ether is then added and stirs evenly, is passed through nitrogen, is warming up to 80~90 DEG C, then
Catalyst is added, is continuously heating to 170~180 DEG C, 4~6h of insulation reaction, obtains esterified material one；
(2) under normal temperature condition, boric acid and rouge the esterification reaction of boric acid and fatty alcohol polyoxyethylene ether: are added into reaction kettle
Fat alcohol polyoxyethylene ether, stirs evenly, and is warming up to 80~90 DEG C, catalyst is then added, and is warming up to 170~180 DEG C, heat preservation is anti-
4~6h is answered, esterified material two is obtained；
(3) esterified material one and esterified material two are mixed, emulsifier and dispersing agent is added thereto, in 60~80 DEG C of items
1~3h of insulation reaction under part, obtaining free flowable liquid is finished product.
Wherein, it in the preparation method of above-mentioned lubricant for drilling fluids fatty alcohol derivative, is needed during the insulation reaction
It carries out temperature change monitoring: observing and recording polymerization temperature in the kettle within every 10 minutes.
Wherein, the preparation method of above-mentioned lubricant for drilling fluids fatty alcohol derivative further includes that step (4) produces eventually to described
Product metering, packaging, detection, storage.
The beneficial effects of the present invention are: product of the present invention has strong adsorption group, jail can be formed in the borehole wall and surface of drill stem
Gu physical and chemical adsorption reduces the frictional resistance of drilling tool and the borehole wall to form the coated oil of anti-high shear, plays anti-sticking lubrication and make
With.It reduces landwaste to adsorb in bit face, prevents mud drum phenomenon, play the role of improving drilling speed.
It is compared with common lubricant, advantage is mainly manifested in:
1, there is good heat-resisting property, 150 DEG C of single dose temperature resistance or more, be added drilling fluid system can also 150 DEG C of temperature resistance with
On.
2, there is good dispersibility and strong adsorptivity, can be dispersed in system, while in the borehole wall or surface of drill stem
Uniform coated oil is formed, the frictional resistance between drilling tool and the borehole wall is reduced.
3, bit balling performance is prevented with good, plays the role of improving drilling speed.
4, there is good compatibility, be suitable for light slurry and salt slurries, be more widely applied.
Specific embodiment
The present invention provides a kind of lubricant for drilling fluids fatty alcohol derivatives, and the lubricant is by including following parts by weight
Raw material be prepared: 20~30 parts of fatty acid, 40~50 parts of fatty alcohol polyoxyethylene ether, 1~5 part of catalyst, boric acid 15~
20 parts, 3~10 parts of emulsifier, 20~30 parts of dispersing agent.
Preferably, above-mentioned lubricant is prepared by the raw material comprising following parts by weight: 20~35 parts of fatty acid, fat
40~45 parts of alcohol polyoxyethylene ether, 1~3 part of catalyst, 15~20 parts of boric acid, 3~5 parts of emulsifier, 20~25 parts of dispersing agent.
Preferably, in above-mentioned lubricant for drilling fluids fatty alcohol derivative, the fatty acid is oleic acid or octadecenic acid.
Preferably, in above-mentioned lubricant for drilling fluids fatty alcohol derivative, the catalyst is phosphoric acid, alchlor, right
Toluenesulfonic acid, sodium hydroxide or compound alkali.
Preferably, in above-mentioned lubricant for drilling fluids fatty alcohol derivative, the emulsifier is spans, such as
Span80, span85 or tween80.
Wherein, in above-mentioned lubricant for drilling fluids fatty alcohol derivative, the dispersing agent is white oil.
The present invention also provides the preparation method of above-mentioned lubricant for drilling fluids fatty alcohol derivative, this method includes following step
It is rapid:
(1) under normal temperature condition, fat the esterification reaction of fatty acid and fatty alcohol polyoxyethylene ether: is added into reaction kettle
Acid is warming up to 50~55 DEG C, and fatty alcohol polyoxyethylene ether is then added and stirs evenly, is passed through nitrogen, is warming up to 80~90 DEG C, then
Catalyst is added, is continuously heating to 170~180 DEG C, 4~6h of insulation reaction, obtains esterified material one；
(2) under normal temperature condition, boric acid and fatty alcohol polyoxy second the esterification reaction of boric acid and fatty alcohol: are added into reaction kettle
Alkene ether, stirs evenly, and is warming up to 80~90 DEG C, catalyst is then added, and is warming up to 170~180 DEG C, and 4~6h of insulation reaction is obtained
To esterified material two；
(3) esterified material one and esterified material two are mixed, emulsifier and dispersing agent is added thereto, in 60~80 DEG C of items
1~3h of insulation reaction under part, obtaining free flowable liquid is finished product.
Wherein, it in the preparation method of above-mentioned lubricant for drilling fluids fatty alcohol derivative, is needed during the insulation reaction
It carries out temperature change monitoring: observing and recording polymerization temperature in the kettle within every 10 minutes.
Wherein, the preparation method of above-mentioned lubricant for drilling fluids fatty alcohol derivative further includes that step (4) produces eventually to described
Product metering, packaging, detection, storage.
Lubricant for drilling fluids fatty alcohol derivative of the present invention, the mucus for imitating earthworm secretion are bonded work with generation between clay
With, improve channel surfaces lubricity principle, considerably reduce mud solid phase/solid phase, solid phase/liquid phase, liquid phase/liquid phase it
Between frictional force, improve the lubricity of drilling fluid, drilling fluid circulates resistance etc., realize and reduce wellbore torque, reduce
Frictional resistance realizes the purpose of " lubrication ", solves the technical problems such as blocked portion, the bit freezing in drilling process, has reached water leading in the world
It is flat.
Further detailed description is done to technical solution of the present invention below in conjunction with specific embodiment.The following example
It is merely illustrative the ground description and interpretation present invention, and is not necessarily to be construed as limiting the scope of the invention.It is all to be based on this hair
In the range of the technology that bright above content is realized is encompassed by the present invention is directed to protect.
Unless otherwise indicated, raw materials and reagents used in the following embodiment are commercial goods, or can be by
Perception method preparation.
Embodiment 1
Lubricant for drilling fluids fatty alcohol derivative XZ-RHJ provided in this embodiment, based on parts by weight, comprising: oleic acid
20 parts, 40 parts of fatty alcohol polyoxyethylene ether, 1 part of catalyst-p-methyl benzenesulfonic acid, 15 parts of boric acid, 5 parts of emulsifier-span80,
20 parts of dispersing agent-white oil.
It is prepared according to the following steps:
(1) esterification reaction of oleic acid and fatty alcohol polyoxyethylene ether: under normal temperature condition, oleic acid being added into reaction kettle, rises
Then temperature is added n-butanol and stirs evenly, be passed through nitrogen, be warming up to 80 DEG C, add p-methyl benzenesulfonic acid, after of continuing rising to 50 DEG C
Temperature observes and records polymerization temperature in the kettle in every 10 minutes in reaction process, obtains esterified material one to 170 DEG C, insulation reaction 5h；
(2) under normal temperature condition, boric acid and just the esterification reaction of boric acid and fatty alcohol polyoxyethylene ether: is added into reaction kettle
Butanol stirs evenly, and is warming up to 80 DEG C, p-methyl benzenesulfonic acid is then added, and is warming up to 170 DEG C, insulation reaction 5h, reaction process
In observe and record polymerization temperature in the kettle within every 10 minutes, obtain esterified material two；
(3) esterified material one and esterified material two are mixed, span80 and white oil is added thereto, is protected under the conditions of 80 DEG C
Temperature reacts 1h, observes and records polymerization temperature in the kettle within every 10 minutes in reaction process, and obtaining free flowable liquid is eventually
Product.
Through detecting, the sticking coefficient of product drops the lubricant for drilling fluids fatty alcohol derivative XZ-RHJ of the present embodiment production
Low rate is 60% or more, can be evenly dispersed in system, can form uniform oil film in chamber wall, single dose or can in system
It is 150 DEG C anti-.
Embodiment 2
Lubricant for drilling fluids fatty alcohol derivative XZ-RHJ provided in this embodiment, based on parts by weight, comprising: 18
20 parts of olefin(e) acid, 40 parts of fatty alcohol polyoxyethylene ether, 1 part of catalyst-alchlor, 20 parts of boric acid, 5 parts of emulsifier-tween80,
25 parts of dispersing agent-white oil.
It is prepared according to the following steps:
(1) under normal temperature condition, 18 the esterification reaction of octadecenic acid and fatty alcohol polyoxyethylene ether: are added into reaction kettle
Olefin(e) acid is warming up to 50 DEG C, and glycerine is then added and stirs evenly, is passed through nitrogen, is warming up to 80 DEG C, adds alchlor, after
It is continuous to be warming up to 180 DEG C, insulation reaction 5h, it observes and records polymerization temperature in the kettle within every 10 minutes in reaction process, obtains resin
Material one；
(2) under normal temperature condition, boric acid and third esterification reaction of boric acid and fatty alcohol polyoxyethylene ether: is added into reaction kettle
Triol stirs evenly, and is warming up to 80 DEG C, alchlor is then added, and is warming up to 180 DEG C, insulation reaction 5h, every in reaction process
It observes and records polymerization temperature in the kettle within 10 minutes, obtains esterified material two；
(3) esterified material one and esterified material two are mixed, tween 80 and white oil is added thereto, under the conditions of 70 DEG C
Insulation reaction 1h observes and records polymerization temperature in the kettle in every 10 minutes in reaction process, and obtaining free flowable liquid is
Finished product.
The lubricant for drilling fluids fatty alcohol derivative XZ-RHJ detection of the present embodiment production, the sticking coefficient of product reduce
Rate is 60% or more, can be evenly dispersed in system, can form uniform oil film in chamber wall, single dose or can be resisted in system
150℃。
Field application
The present invention is used in the double thin type high performance water-based drilling fluid systems of XZ high inhibition as lubricant, in Kelamayi
Western spring block completes directional well XQD3020 well, XQD3044 well, Jimusar County densification oilfield JHW023 horizontal well drilling
Construction, XQD3020, XQD3044 test well electrical measurement success rate 100%, western spring block directional well be averaged electrical measurement success rate be 71%；
Hole enlargement ratio is respectively 1.78% and 1.26%, and western spring block directional well diameter enlargement ratio is 3.09%；Rate when complicated
0%, rate is 1.29% when western spring block directional well is average complicated；Save drilling time.
The application of lubricant of the present invention, unsolved technical problem (leakiness easily collapses) before solving, drilling well fluidity
It can stablize, make a trip that normal, collapse phenomenon etc. without chip off-falling, reach target.XZ-RHJ has excellent lubricating ability, does not have
Bit balling phenomenon is occurred, frictional resistance is lower, no pollution to the environment, meets the needs of safe and efficient, environmentally friendly drilling well, has
Good popularization and application foreground.
The embodiments of the present invention have been described in detail above, but content is only the preferred embodiment of the present invention,
It should not be considered as limiting the scope of the invention.Any changes and modifications in accordance with the scope of the present application,
It should still be within the scope of the patent of the present invention.
Claims (8)
1. a kind of lubricant for drilling fluids fatty alcohol derivative, which is characterized in that the lubricant is by including following parts by weight
Raw material is prepared: 20~30 parts of fatty acid, 40~50 parts of fatty alcohol polyoxyethylene ether, and 1~5 part of catalyst, boric acid 15~20
Part, 3~10 parts of emulsifier, 20~30 parts of dispersing agent.
2. lubricant for drilling fluids fatty alcohol derivative according to claim 1, which is characterized in that the lubricant is by wrapping
Raw material containing following parts by weight is prepared: 20~35 parts of fatty acid, 40~45 parts of fatty alcohol polyoxyethylene ether, and catalyst 1
~3 parts, 15~20 parts of boric acid, 3~5 parts of emulsifier, 20~25 parts of dispersing agent.
3. lubricant for drilling fluids fatty alcohol derivative according to claim 1 or 2, which is characterized in that the catalyst
For phosphoric acid, at least one of alchlor, p-methyl benzenesulfonic acid, sodium hydroxide and compound alkali.
4. lubricant for drilling fluids fatty alcohol derivative according to claim 1 or 2, which is characterized in that the emulsifier
For spans, such as span80, at least one of span85 and tween80.
5. lubricant for drilling fluids fatty alcohol derivative according to claim 1 or 2, which is characterized in that the dispersing agent
For white oil.
6. the preparation method of the described in any item lubricant for drilling fluids fatty alcohol derivatives of Claims 1 to 5, this method include
Following steps:
(1) esterification reaction of fatty acid and fatty alcohol polyoxyethylene ether: under normal temperature condition, fatty acid being added into reaction kettle, rises
Then temperature is added fatty alcohol polyoxyethylene ether and stirs evenly, be passed through nitrogen, be warming up to 80~90 DEG C, add to 50~55 DEG C
Catalyst is continuously heating to 170~180 DEG C, 4~6h of insulation reaction, obtains esterified material one；
(2) under normal temperature condition, boric acid and fatty alcohol the esterification reaction of boric acid and fatty alcohol polyoxyethylene ether: are added into reaction kettle
Polyoxyethylene ether stirs evenly, and is warming up to 80~90 DEG C, catalyst is then added, and is warming up to 170~180 DEG C, insulation reaction 4
~6h obtains esterified material two；
(3) esterified material one and esterified material two are mixed, emulsifier and dispersing agent is added thereto, under the conditions of 60~80 DEG C
1~3h of insulation reaction, obtaining free flowable liquid is finished product.
7. the preparation method of lubricant for drilling fluids fatty alcohol derivative according to claim 6, which is characterized in that described
It needs to carry out temperature change monitoring during insulation reaction: observing and recording polymerization temperature in the kettle within every 10 minutes.
8. the preparation method of lubricant for drilling fluids fatty alcohol derivative according to claim 6, which is characterized in that also wrap
Step (4) is included to finished product metering, packaging, detection, storage.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810484299.0A CN110499148A (en) | 2018-05-19 | 2018-05-19 | A kind of lubricant for drilling fluids fatty alcohol derivative and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810484299.0A CN110499148A (en) | 2018-05-19 | 2018-05-19 | A kind of lubricant for drilling fluids fatty alcohol derivative and preparation method thereof |
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