CN105238371B - A kind of polyethylene wax pattern drilling fluid and preparation method thereof - Google Patents
A kind of polyethylene wax pattern drilling fluid and preparation method thereof Download PDFInfo
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- CN105238371B CN105238371B CN201510628147.XA CN201510628147A CN105238371B CN 105238371 B CN105238371 B CN 105238371B CN 201510628147 A CN201510628147 A CN 201510628147A CN 105238371 B CN105238371 B CN 105238371B
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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
- C09K8/04—Aqueous well-drilling compositions
- C09K8/14—Clay-containing compositions
- C09K8/18—Clay-containing compositions characterised by the organic compounds
- C09K8/22—Synthetic organic compounds
- C09K8/24—Polymers
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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
- C09K2208/12—Swell inhibition, i.e. using additives to drilling or well treatment fluids for inhibiting clay or shale swelling or disintegrating
Abstract
It is composed of the following components by mass percentage the invention discloses a kind of polyethylene wax pattern drilling fluid：30%~40% sodium bentonite, 3%~5% sodium hydroxide, 10%~12% drilling fluid polyethylene wax microemulsion, 8%~10% drilling fluid coating agent, 8%~10% viscosity depressant for drilling fluid, remaining be water, the quality sums of the above components is 100%.The present invention also provides the preparation methods of the drilling fluid.Drilling fluid provided by the invention has good lubricity, rheological characteristic, available for the drilling well of horizontal well and extended reach well, the hydration swelling on stratum can be also effectively inhibited, stratum microcrack can be blocked well, the danger of leakage is substantially reduced, available for microcrack development, the stratum of easy aquation.Compatibility is good, configuration is simple for process, convenient for energy efficiency.In addition, it is low to stratum pollution level, be conducive to protect oil-gas Layer.
Description
Technical field
The invention belongs to the water-base drilling fluid technical fields of oil drilling, are related to a kind of polyethylene wax pattern drilling fluid, this hair
The bright preparation method for further relating to the drilling fluid.
Background technology
Oil base drilling fluid due to high temperature resistance, salt resistance, be conducive to wellbore stability, lubricity it is good and to oil-gas Layer damage
The advantages that evil degree is smaller, which is widely used in, bores high temperature deep well, horizontal well, high-inclination directional well and various bad grounds, together
When be also used as spotting fluid, perforation completion liquid and workover fluid etc. extensively.However, oil base drilling fluid is due to of high cost, to ecological ring
Border generates and seriously affects, so as to greatly limit the popularization and application of oil base drilling fluid.
Microemulsion, nanoemulsions technology are in drilling fluid and completion fluid, the removing of oil base drilling fluid filter cake, well cementation isolation in recent years
Liquid, oil/gas well pollution amelioration, Paraffin Removal, antiscale, improvement fracturing effect etc. show positive effect, can effectively improve oil
The shortcomings that base drilling fluid, therefore cause numerous oil workers widely concern and keen interest.At abroad,
Halliburton、Energy Services Inc、BJ Services Company、Baker Hughes、CESI
Chemical, Schlumberger Technology Corporation, ENI groups of Italy etc. have carried out interior in advance
Research, portion of techniques have been carried out field application test.The country has also carried out corresponding research, for example, using paraffin as oil phase
The micro-nano lotion of O/W types of preparation extensively should due to its tiny grain size, good stability as additive for drilling fluid
With.Result of study show to be used as nanometer emulsified paraffin early period additive for drilling fluid not only improve inhibition in drilling process,
The performances such as lubricity improve rate of penetration, and the day oil-producing of test well also increased.2009, Jiangsu oilfield was in water
Emulsified wax is successfully tried out in horizontal well, drilling and well completion operation is smooth, compared with neighbouring horizontal well, is put down using well drilling period
When shortening 83 is small, average rate of penetration improves 22.3%, and initial stage day oil-producing is 2~4 times of offset well, achieves good application
Effect.
The main oil-producing formation of Oil Fields in North Shaanxi is YAN ' AN FORMATION and extension group, and reservoir characteristics are the ultralow oil seepage layer in low hole, simultaneously
There are microcrack, fracture development, therefore easily occurring phenomena such as hole collapse, leakage during drilling well, to drilling quality and brill
There is larger impact in the well cycle.In recent years, with the increase for extending oil field directional well, especially horizontal well quantity, drilling fluid is carried
Go out higher requirement, the problem of frictional drag control, hole cleaning, wellbore stability, leak-proof leak-stopping and protection five aspects of reservoir more
It is prominent.The polymer drilling fluid system used at present is difficult to the development need for meeting its drilling well, therefore develops novel polyethylene wax
Microemulsion drilling fluid system has great importance.
The content of the invention
It is an object of the invention to provide a kind of polyethylene wax pattern drilling fluid, solution is being bored in the prior art using drilling fluid
Well erosion, well kick, blowout, well slough, circulation problems caused by stratum aquation and microcrack are developed during well, of the invention is another
A purpose is to provide the preparation method of the drilling fluid.
The technical solution adopted in the present invention is a kind of polyethylene wax pattern drilling fluid, which is characterized in that by mass percentage
It is composed of the following components：30%~40% sodium bentonite, 3%~5% sodium hydroxide, 10%~12% drilling fluid are used
Polyethylene wax microemulsion, 8%~10% drilling fluid coating agent, 8%~10% viscosity depressant for drilling fluid, remaining be water,
The quality sum of the above components is 100%.
The features of the present invention also resides in,
Drilling fluid is the strong coating agent of amphoteric ion polymer with coating agent, and viscosity depressant for drilling fluid is amphoteric ion polymer
Thinner.
Drilling fluid polyethylene wax microemulsion, it is composed of the following components by mass percentage：20%~30% polyethylene
Wax, 15%~25% emulsifier, 45%~55% water, the quality sum of the above components is 100%.
The composite emulsifier that emulsifier forms for surfactant Span80 and OP-6, the hydrophilic and oleophilic of the composite emulsifier
Equilibrium valve is 10~11.
Another technical solution of the present invention is a kind of above-mentioned preparation method of polyethylene wax pattern drilling fluid, specifically
Comprise the following steps：
The first step：The preparation of drilling fluid polyethylene wax microemulsion：
Step 1) according to mass percent, weighs 20%~30% polyethylene wax, 15%~25% emulsification respectively
Agent, 45%~55% water, the quality sum of the above components is 100%；
Step 2)：First polyethylene wax is placed in flask, 120 DEG C~140 DEG C is heated to, polyethylene wax is made to melt completely,
Obtain molten polyethylene wax；
Step 3)：It is 120 DEG C~140 DEG C to keep flask temperature, right under the mixing speed of 750r/min~1250r/min
The molten polyethylene wax that second step obtains is stirred, and adds in first into the molten polyethylene wax while agitating
The emulsifier weighed in step carries out emulsion reaction 20min~40min, obtains emulsifiable polyethylene wax；
Step 4)：It is 120 DEG C~140 DEG C to keep flask temperature, and heats water to 85 DEG C~95 DEG C, then will be after heating
Water is added in the emulsifiable polyethylene wax that the 3rd step obtains, and then stops heating flask, and stirring in 750r/min~1250r/min
Mix continue under speed stirring to flask contents temperature be 25 DEG C, that is, obtain drilling fluid polyethylene wax microemulsion；
Second step：The preparation of polyethylene wax pattern drilling fluid：
Step 1) according to mass percent, weighs 30%~40% sodium bentonite, 3%~5% hydroxide respectively
Sodium, 10%~12% drilling fluid polyethylene wax microemulsion, 8%~10% drilling fluid coating agent, 8%~10% brill
Well liquid thinner, remaining be water, the quality sums of the above components is 100%；
Step 2)：It first measures water to be placed in reaction vessel, to reaction under the mixing speed of 500r/min~1000r/min
Sodium bentonite is added in device, after sodium bentonite is added, continues to stir under the mixing speed of 5000r/min~10000r/min
After 20mim~40min, stop stirring, obtain product I；
Step 3)：I 12h of product~36h is placed under 25 DEG C of air-proof conditions, obtains product II；
Step 4)：After the completion of sealing is placed, continue to stir, add in drilling fluid polyethylene while stirring into product II
Wax microemulsion continues after stirring 10mim~30min, stops stirring and stands 5~15min, obtains product III；
Step 5)：Continue to stir product III, stirring while is separately added into drilling fluid amphoteric ion into product III and gathers
The strong coating agent of object and amphoteric ion polymer thinner are closed, is continued after stirring 10mim~30mim, stops stirring and standing 5mim
~15min obtains product IV；
Step 6)：Continue to stir product IV under the mixing speed of 5000r/min~10000r/min, while stirring to
Add in sodium hydroxide in product IV, continue continue under the mixing speed of 5000r/min~10000r/min stir 20mim~
40min obtains polyethylene wax pattern drilling fluid.
The features of the present invention also resides in,
Water is deionized water or distilled water in first step step 1).
Emulsifier is the composite emulsifier of surfactant Span80 and OP-6 composition in first step step 1), and the compounding is newborn
The hydrophilic lipophilic balance of agent is 10~11.
Mixing speed in second step step 4), step 5) is 500r/min~1000r/min.
Drilling fluid is the strong coating agent of amphoteric ion polymer with coating agent in second step step 1), and viscosity depressant for drilling fluid is
Amphoteric ion polymer thinner.
Drilling fluid is Shandong with the strong coating agent of amphoteric ion polymer and drilling fluid with amphoteric ion polymer thinner
The production of Yanggu Chemical Co., Ltd..
The beneficial effects of the invention are as follows：Good lubricity, rheological characteristic are had by using drilling fluid provided by the invention,
Available for the drilling well of horizontal well and extended reach well, the hydration swelling on stratum can be also effectively inhibited, it is micro- stratum can be blocked well
Crack substantially reduces the danger of leakage, available for microcrack development, the stratum of easy aquation.Compatibility is good, configuration technique letter
It is single, convenient for energy efficiency.In addition, it is low to stratum pollution level, be conducive to protect oil-gas Layer.
Specific embodiment
The present invention is described in detail With reference to embodiment.
Embodiment 1：
The first step：The preparation of drilling fluid polyethylene wax microemulsion：
Step 1) according to mass percent, weighs 25% polyethylene wax, 20% emulsifier, 55% distillation respectively
Water, the quality sum of the above components is 100%；
Step 2)：First polyethylene wax is placed in flask, 120 DEG C is heated to, polyethylene wax is made to melt completely, melted
Polyethylene wax；
Step 3)：Keep flask temperature be 120 DEG C, to second step obtain molten polyethylene wax 750r/min stirring
It is stirred under speed, and adds in emulsifier (the addition side of HLB=10 into the molten polyethylene wax while agitating
Method is：OP-6 is first instilled with the speed of 10 drops/minute, then again while agitating into the molten polyethylene wax with 25
The speed of drop/minute instills Span-80), emulsion reaction 20min is carried out, obtains emulsifiable polyethylene wax；
Step 4)：It is 120 DEG C to keep flask temperature, heats water to 85 DEG C, and the water after heating is added in the 3rd step again
In the emulsifiable polyethylene wax of acquisition, then stop heating flask, and continue be stirred under the mixing speed of 750r/min to
Flask contents temperature is 25 DEG C, that is, obtains polyethylene wax microemulsion -1.
Second step：The preparation of polyethylene wax pattern drilling fluid：
Step 1) according to mass percent, weighs 30% sodium bentonite, 3% sodium hydroxide, 10% drilling well respectively
The strong coating agent of drilling fluid amphoteric ion polymer, 8% amphoteric ion polymer of liquid polyethylene wax microemulsion -1,8%
Thinner, remaining be water, the quality sums of the above components is 100%.
Step 2)：It first measures water to be placed in reactor, into reactor, addition sodium is swollen under the mixing speed of 500r/min
Profit soil after sodium bentonite is added, continues after stirring 20min under the mixing speed of 5000r/min, stops stirring, produced
Object I；
Step 3)：I 12h of product is placed under 25 DEG C of air-proof conditions, obtains product II；
Step 4)：After the completion of sealing is placed, continue to be stirred under the mixing speed of 500r/min, while stirring to
Drilling fluid is added in product II with after the mixing speed stirring 10min for after polyethylene wax microemulsion, continuing holding 500r/min, is stopped
It only stirs and stands 5min, obtain product III；
Step 5)：After static, continue to be stirred under the mixing speed of 500r/min, to product III while stirring
In be separately added into the strong coating agent of drilling fluid amphoteric ion polymer and amphoteric ion polymer thinner, continue in 500r/min
Mixing speed under be stirred 10mim after, stop stir simultaneously stand 5min, obtain product IV；
Step 6)：After static, continue to stir under the mixing speed of 5000r/min, while stirring into product IV
Sodium hydroxide is added in, continues to continue to stir 20min under the mixing speed of 5000r/min, obtains a kind of polyethylene wax pattern drilling well
Liquid -1.
Embodiment 2：
The first step：The preparation of drilling fluid polyethylene wax microemulsion：
Step 1)：According to mass percent, 30% polyethylene wax, 25% emulsifier, 45% distillation are weighed respectively
Water, the quality sum of the above components is 100%；
Step 2)：First polyethylene wax is placed in flask, 130 DEG C is heated to, polyethylene wax is made to melt completely, melted
Polyethylene wax；
Step 3)：It is 130 DEG C to keep flask temperature, molten polyethylene wax the stirring in 1000r/min obtained to second step
It mixes and is stirred under speed, and the emulsifier for adding in HLB=10.5 into the molten polyethylene wax while agitating (adds
Entering method is：OP-6 is first instilled with the speed of 15 drops/minute, then again while agitating into the molten polyethylene wax
Span-80 is instilled with the speed of 30 drops/minute), emulsion reaction 30min is carried out, obtains emulsifiable polyethylene wax -2；
Step 4)：It is 130 DEG C to keep flask temperature, heats water to 90 DEG C, and the water after heating is added in the 3rd step again
In the emulsifiable polyethylene wax of acquisition, then stop heating flask, and continue be stirred under the mixing speed of 1000r/min to
Flask contents temperature is 25 DEG C, that is, obtains polyethylene wax micro emulsion -2.
Second step：The preparation of polyethylene wax pattern drilling fluid：
Step 1) according to mass percent, weighs 35% sodium bentonite, 4% sodium hydroxide, 11% drilling well respectively
Liquid polyethylene wax microemulsion, the 9% strong coating agent of drilling fluid amphoteric ion polymer, 9% amphoteric ion polymer drop
Stick, remaining be water, the quality sums of the above components is 100%.
Step 2)：It first measures water to be placed in reactor, into reactor, addition sodium is swollen under the mixing speed of 750r/min
Profit soil after sodium bentonite is added, continues after stirring 30min under the mixing speed of 750r/min, stops stirring, obtain product
Ⅰ；
Step 3)：Product I is placed under 25 DEG C of air-proof conditions for 24 hours, obtains product II；
Step 4)：After the completion of sealing is placed, continue to be stirred under the mixing speed of 750r/min, while stirring to
Drilling fluid is added in product II with after polyethylene wax microemulsion, continuing to be stirred 20min under the mixing speed of 750r/min
Afterwards, stop stirring and stand 10min, obtain product III；
Step 5)：After static, continue to be stirred under the mixing speed of 750r/min, to product III while stirring
In be separately added into the strong coating agent of drilling fluid amphoteric ion polymer and amphoteric ion polymer thinner, continue in 750r/min
Mixing speed under be stirred 20mim after, stop stir simultaneously stand 10min, obtain product IV；
Step 6)：After static, continue to stir under the mixing speed of 7500r/min, while stirring into product IV
Sodium hydroxide is added in, continues to continue 20~40min of stirring under the mixing speed of 7500r/min, obtains a kind of polyethylene wax pattern
Drilling well -2.
Embodiment 3：
The first step：The preparation of drilling fluid polyethylene wax microemulsion：
Step 1)：According to mass percent, 20% polyethylene wax, 25% emulsifier, 55% distillation are weighed respectively
Water, the quality sum of the above components is 100%；
Step 2)：First polyethylene wax is placed in flask, 140 DEG C is heated to, polyethylene wax is made to melt completely, melted
Polyethylene wax；
Step 3)：It is 140 DEG C to keep flask temperature, molten polyethylene wax the stirring in 1250r/min obtained to second step
It mixes and is stirred under speed, and the emulsifier for adding in HLB=11 into the molten polyethylene wax while agitating (adds in
Method is：OP-6 is first instilled with the speed of 20 drops/minute, then again while agitating into the molten polyethylene wax with
The speed of 35 drops/minute instills Span-80), emulsion reaction 40min is carried out, obtains emulsifiable polyethylene wax；
Step 4)：It is 140 DEG C to keep flask temperature, heats water to 95 DEG C, and the water after heating is added in the 3rd step again
In the emulsifiable polyethylene wax of acquisition, then stop heating flask, and continue be stirred under the mixing speed of 1250r/min to
Flask contents temperature is 25 DEG C, that is, obtains polyethylene wax microemulsion -3.
Second step：The preparation of polyethylene wax pattern drilling fluid：
Step 1) according to mass percent, weighs 40% sodium bentonite, 5% sodium hydroxide, 12% drilling well respectively
Liquid polyethylene wax microemulsion, the 10% strong coating agent of drilling fluid amphoteric ion polymer, 10% amphoteric ion polymer
Thinner, remaining be water, the quality sums of the above components is 100%.
Step 2)：It first measures water to be placed in reactor, into reactor, addition sodium is swollen under the mixing speed of 1000r/min
Profit soil after sodium bentonite is added, continues after stirring 40min under the mixing speed of 10000r/min, stops stirring, produced
Object I；
Step 3)：I 36h of product is placed under 25 DEG C of air-proof conditions, obtains product II；
Step 4)：After the completion of sealing is placed, continue to be stirred under the mixing speed of 1000r/min, while stirring
Drilling fluid is added in into product II with after polyethylene wax microemulsion, continues to be stirred under the mixing speed of 1000r/min
After 30min, stop stirring and stand 15min, obtain product III；
Step 5)：After static, continue to stir, stirring while is separately added into drilling fluid amphoteric ion into product III
The strong coating agent of polymer and amphoteric ion polymer thinner continue to be stirred 30mim under the mixing speed of 1000r/min
Afterwards, stop stirring and stand 15min, obtain product IV；
Step 6)：After static, continue to stir under the mixing speed of 1000r/min, while stirring into product IV
Sodium hydroxide is added in, continues to continue 20~40min of stirring under the mixing speed of 10000r/min, obtains a kind of polyethylene wax pattern
Drilling fluid -3.
Measuring physical properties and comparing result:
Respectively to polyethylene wax pattern drilling fluid -1, polyethylene wax pattern drilling fluid -2, polyethylene obtained by 3 embodiments of the present invention
The apparent viscosity of wax pattern drilling fluid -3 and virgin pulp liquid, plastic viscosity, yield value, API filtration, high temperature and high pressure filter loss, profit
Slip, shale expansion value are measured and compare, and comparing result is as shown in table 1 below, wherein, apparent viscosity, plastic viscosity are moved and cut
Six fast rotary viscometers of power；API filtration API filter tester；High temperature and high pressure filter loss HIHP filtration devices；Lubricity pole
Pressure lubricating instrument；Shale expansion value NP-02 shale expansion instrument.
1 physical property comparing result of table
Note：1) magma is 5% Na-bentonite soil paste；2) lubricating coefficient is measured with extreme boundary lubrication instrument.
As can be seen from Table 1, the polyethylene wax microemulsion drilling fluid of the present invention that above-described embodiment is prepared is respectively provided with well
Rheological characteristic, dehydration wave making machine, lubricity, can effectively reduce shale expansion value.
Drilling fluid provided by the invention has good lubricity, rheological characteristic, available for horizontal well and the brill of extended reach well
Well can also effectively inhibit the hydration swelling on stratum, can block stratum microcrack well, substantially reduce the danger of leakage, can
For microcrack development, the stratum of easy aquation.Compatibility is good, configuration is simple for process, convenient for energy efficiency.In addition, to stratum
Pollution level is low, is conducive to protect oil-gas Layer.
Claims (5)
1. a kind of polyethylene wax pattern drilling fluid, which is characterized in that composed of the following components by mass percentage：30%~40%
Sodium bentonite, 3%~5% sodium hydroxide, 10%~12% drilling fluid polyethylene wax microemulsion, 8%~10%
Drilling fluid coating agent, 8%~10% viscosity depressant for drilling fluid, remaining be water, the quality sum of the above components is
100%；
Drilling fluid polyethylene wax microemulsion, it is composed of the following components by mass percentage：20%~30% polyethylene
Wax, 15%~25% emulsifier, 45%~55% water, the quality sum of the above components is 100%；The emulsifier is
The composite emulsifier of surfactant Span80 and OP-6 composition, the hydrophilic lipophilic balance of the composite emulsifier is 10~11.
2. a kind of polyethylene wax pattern drilling fluid according to claim 1, which is characterized in that the drilling fluid is with coating agent
The strong coating agent of amphoteric ion polymer, viscosity depressant for drilling fluid are amphoteric ion polymer thinner.
3. a kind of preparation method of polyethylene wax pattern drilling fluid, which is characterized in that specifically include following steps：
The first step：The preparation of drilling fluid polyethylene wax microemulsion：
Step 1), according to mass percent, weigh respectively 20%~30% polyethylene wax, 15%~25% emulsifier,
45%~55% water, the quality sum of the above components is 100%；
Step 2)：First polyethylene wax is placed in flask, 120 DEG C~140 DEG C is heated to, polyethylene wax is made to melt completely, is obtained
Molten polyethylene wax；
Step 3)：It is 120 DEG C~140 DEG C to keep flask temperature, to second under the mixing speed of 750r/min~1250r/min
The molten polyethylene wax that step obtains is stirred, and is added in while agitating into the molten polyethylene wax in the first step
The emulsifier weighed carries out emulsion reaction 20min~40min, obtains emulsifiable polyethylene wax；
Step 4)：It is 120 DEG C~140 DEG C to keep flask temperature, and heats water to 85 DEG C~95 DEG C, then the water after heating is added
In the emulsifiable polyethylene wax for entering the acquisition of the 3rd step, then stop heating flask, and in the stirring speed of 750r/min~1250r/min
It is 25 DEG C to continue stirring to flask contents temperature under degree, that is, obtains drilling fluid polyethylene wax microemulsion；
Second step：The preparation of polyethylene wax pattern drilling fluid：
Step 1), according to mass percent, weigh respectively 30%~40% sodium bentonite, 3%~5% sodium hydroxide,
10%~12% drilling fluid polyethylene wax microemulsion, 8%~10% drilling fluid coating agent, 8%~10% drilling well
Liquid thinner, remaining be water, the quality sums of the above components is 100%；
Step 2)：It first measures water to be placed in reaction vessel, under the mixing speed of 500r/min~1000r/min into reactor
Sodium bentonite is added in, after sodium bentonite is added, continues to stir under the mixing speed of 5000r/min~10000r/min
After 20mim~40min, stop stirring, obtain product I；
Step 3)：I 12h of product~36h is placed under 25 DEG C of air-proof conditions, obtains product II；
Step 4)：After the completion of sealing is placed, continue to stir, it is micro- that drilling fluid polyethylene wax is added in into product II while stirring
Lotion continues after stirring 10mim~30min, stops stirring and stands 5~15min, obtains product III；
Step 5)：Continue to stir product III, stirring while is separately added into drilling fluid amphoteric ion polymer into product III
Strong coating agent and amphoteric ion polymer thinner continue after stirring 10mim~30mim, stop stirring and stand 5mim~
15min obtains product IV；
Step 6)：Continue to stir product IV under the mixing speed of 5000r/min~10000r/min, to product while stirring
Sodium hydroxide is added in IV, continues to continue to stir 20mim~40min under the mixing speed of 5000r/min~10000r/min,
Obtain polyethylene wax pattern drilling fluid；
Water is deionized water or distilled water in step 1) described in the first step；
Emulsifier is the composite emulsifier of surfactant Span80 and OP-6 composition in step 1) described in the first step, should
The hydrophilic lipophilic balance of composite emulsifier is 10~11.
A kind of 4. preparation method of polyethylene wax pattern drilling fluid according to claim 3, which is characterized in that institute in second step
It is 500r/min~1000r/min to state the mixing speed in step 4), step 5).
A kind of 5. preparation method of polyethylene wax pattern drilling fluid according to claim 3, which is characterized in that institute in second step
It is the strong coating agent of amphoteric ion polymer that drilling fluid, which is stated in step 1), with coating agent, and viscosity depressant for drilling fluid is zwitterion polymerization
Object thinner.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009000068A1 (en) * | 2007-06-22 | 2008-12-31 | Canadian Energy Services L.P. | Drilling fluid additive and method for improving lubricity or increasing rate of penetration in a drilling operation |
| CN101503519A (en) * | 2009-03-09 | 2009-08-12 | 陕西科技大学 | Preparation of anion-nonionic wax emulsion by oxidated polyethylene wax modification |
| CN104263330A (en) * | 2014-09-22 | 2015-01-07 | 陕西延长石油(集团)有限责任公司研究院 | Water-based drilling fluid and preparation method thereof |
| CN104449598A (en) * | 2014-10-29 | 2015-03-25 | 成都得道实业有限公司 | Viscous emulsifier for oil-based drilling fluid and preparation method of viscous emulsifier for oil-based drilling fluid |
-
2015
- 2015-09-28 CN CN201510628147.XA patent/CN105238371B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009000068A1 (en) * | 2007-06-22 | 2008-12-31 | Canadian Energy Services L.P. | Drilling fluid additive and method for improving lubricity or increasing rate of penetration in a drilling operation |
| CN101503519A (en) * | 2009-03-09 | 2009-08-12 | 陕西科技大学 | Preparation of anion-nonionic wax emulsion by oxidated polyethylene wax modification |
| CN104263330A (en) * | 2014-09-22 | 2015-01-07 | 陕西延长石油(集团)有限责任公司研究院 | Water-based drilling fluid and preparation method thereof |
| CN104449598A (en) * | 2014-10-29 | 2015-03-25 | 成都得道实业有限公司 | Viscous emulsifier for oil-based drilling fluid and preparation method of viscous emulsifier for oil-based drilling fluid |
Non-Patent Citations (2)
| Title |
|---|
| 乳状分散聚乙烯蜡的研制;杨飘等;《造纸化学品》;20020630(第02期);26-28 * |
| 新型材料水性聚乙烯蜡乳液的探讨;刘裕红;《黔南民族师范学院学报》;20090625(第03期);44-46 * |
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| CN105238371A (en) | 2016-01-13 |
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