CN103305195B - A kind of method and apparatus of producing high density ultra micro formation testing working solution - Google Patents
A kind of method and apparatus of producing high density ultra micro formation testing working solution Download PDFInfo
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- CN103305195B CN103305195B CN201310225747.2A CN201310225747A CN103305195B CN 103305195 B CN103305195 B CN 103305195B CN 201310225747 A CN201310225747 A CN 201310225747A CN 103305195 B CN103305195 B CN 103305195B
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Abstract
The present invention relates to a kind of method and apparatus of producing high density ultra micro formation testing working solution, this device comprises the pre-dispersing device (1), lapping device (2), pretreatment unit (3) and the storage device (4) that connect successively, and the quantity of described lapping device (2) is two.
Description
Technical field
The present invention relates to a kind of method and apparatus of producing high density ultra micro formation testing working solution, belong to oil liquidProduction technical field.
Background technology
Along with petroleum industry exploration and development marches to the super deep layer of deep layer, high density formation testing working solution technology becomes guaranteeDrilling operation safety one of key technology smoothly. In conventional high density formation testing working solution, need to add a large amount of consolidatingPhase weighting material, to improve density, has caused in drilling and completing fluids solid concentration large, the rheology of on-the-spot application ubiquityProperty and the unmanageable basic contradiction of dehydration wave making machine.
Drilling engineering is faced with the probing of western Shen Jing ﹑ ultradeep well, and Jia Mi Jing ﹑ multilateral well is beaten in Old Eastern oil fieldCarry that Gao Caishou leads the exploitation of ﹑ low-permeability oil gas reservoir and extended reach well is bored in Haiti district, beach, realize extra large oily Lu Cai etc. and askTopic, requires drilling fluid density higher, and temperature resistance and anti-various pollution capacities are stronger, and (saturated salt, gypsum, drilling cuttings are combinedClose pollution). The particle diameter of conventional high density formation testing working solution heavy weight additive (as blanc fixe) conventionally 10 μ m～Between 70 μ m, in application process, often occur that the barite rate of settling is high, drilling fluid density is unequal up and downPhenomenon. In order to solve its suspension problem, conventionally need add a large amount of inorganic agents. But along with the increase of inorganic agent dosage,Cause the cost of drilling fluid sharply to rise on the one hand; Cause on the other hand drilling fluid rheology to worsen and be difficult to controlSystem, keeps lower rheological parameter to ensure with effective controlled circulation equal yield density (ECD) and higher sticky cuttingContradiction between barite suspension is difficult to be in harmonious proportion, thereby has a strong impact on drilling well work. Meanwhile, barite etc. is solidPhase particle also causes certain injury to oil-gas Layer to the obstruction of stratum pore throat. Therefore, tradition is added to dense timberMaterial carries out ultra micro modification and becomes one of research direction of current drill in fluid, researches and develops so one and can produce and changeProperty ultrafine powder manufacturing technique method becomes a key.
Summary of the invention
In order to overcome defect of the prior art, the invention provides a kind of for the production of high density ultra micro formation testing workMake the device of liquid, this device comprises the pre-dispersing device (1), lapping device (2), the pretreatment that connect successivelyDevice (3) and storage device (4), the quantity of described lapping device (2) is two.
Described pre-dispersing device (1) comprises feed pot (1-1) and vibratory sieve (1-2), described feed pot (1-1)Quantity be two, is connected with vibratory sieve (1-2) after in parallel, the screen cloth of described vibratory sieve is 100 orders.
Described lapping device (2) comprises first buffer barrel (2-1) of series connection successively, the first milling apparatus (2-2),The second buffer barrel (2-3) and the second milling apparatus (2-4), described the first milling apparatus (2-2) and secondMilling apparatus (2-4) has respectively electric cabinet (2-5) to be controlled, described the first buffer barrel (2-1) and secondWhen buffer barrel (2-3) enters lapping device for guarantee, material is even, and the first and second buffer barrel all have and stirMix function, described speed of agitator is 40 turn/min, described the first milling apparatus grinding bead particle diameter 0.6-0.8 μ m,The second milling apparatus grinding bead particle diameter is 0.4-0.6 μ m.
Described pretreatment unit (3) comprises two pharmacy jars that are arranged in parallel (3-1), each pharmacy jar (3-1)All have agitating device and stir, the rotating speed of described stirring is 60 turn/min.
Described storage device (4) is made up of the holding vessel (4-1) of two series connection.
Described two feed pots (1-1) all have agitating device, described turn/min of speed of agitator 60.
Described the first milling apparatus (2-2) is connected cooling-water machine (2-6) cooling with the second milling apparatus (2-4).
The method of foregoing device production high density ultra micro formation testing working solution, is characterized in that: first will give birth toProduce needed raw material and formula: auxiliary dispersant+5% of compound weighting material+2% main dispersant+1% of 65% water+25% is main stableAuxiliary stabilizing agent+1% electric double layer of agent+1% exciting agent is put into pre-dispersing device (1), stirring at normal temperature after material adds10-30min enters lapping device (2) after material stirring is even, and the pressure of material in milling apparatus is littleIn 0.2 MPa, temperature is lower than 60 degree, material from lapping device out, can carry out the adjustment of density etc.; AdjustAfter whole, enter pretreatment unit (3), after stirring, enter storage device (4) and store finished product material.
Preferably, density is adjusted into material stirring 10min, makes material even.
Beneficial effect:
The present invention is simple in structure, reasonable in design, easy to operate, stable, reliable, safety.
Brief description of the drawings
Below in conjunction with drawings and the embodiments, the present invention is further detailed explanation:
Fig. 1 is the process flow diagram of process units.
Detailed description of the invention
Below in conjunction with specific embodiment, further set forth the present invention.
For the production of a device for high density ultra micro formation testing working solution, this device comprises pre-point that connects successivelyIn bulk putting (1), lapping device (2), pretreatment unit (3) and storage device (4), described grinding dressThe quantity of putting (2) is two.
Described pre-dispersing device (1) comprises feed pot (1-1) and vibratory sieve (1-2), described feed pot (1-1)Quantity be two, is connected with vibratory sieve (1-2) after in parallel, the screen cloth of described vibratory sieve is 100 orders.
Described lapping device (2) comprises first buffer barrel (2-1) of series connection successively, the first milling apparatus (2-2),The second buffer barrel (2-3) and the second milling apparatus (2-4), described the first milling apparatus (2-2) and secondMilling apparatus (2-4) has respectively electric cabinet (2-5) to be controlled, described the first buffer barrel (2-1) and secondWhen buffer barrel (2-3) enters lapping device for guarantee, material is even, and the first and second buffer barrel all have and stirMix function, described speed of agitator is 40 turn/min, described the first milling apparatus grinding bead particle diameter 0.6-0.8 μ m,The second milling apparatus grinding bead particle diameter is 0.4-0.6 μ m. The effect of buffer barrel is mainly to ensure to enter to grind to fillWhile putting, material is even, is to go if having time to process when lapping device goes wrong, and plays cushioning effect.
Described pretreatment unit (3) comprises two pharmacy jars that are arranged in parallel (3-1), each pharmacy jar (3-1)All have agitating device and stir, the rotating speed of described stirring is 60 turn/min.
Described storage device (4) is made up of the holding vessel (4-1) of two series connection.
Described two feed pots (1-1) all have agitating device, described turn/min of speed of agitator 60.
Described the first milling apparatus (2-2) is connected cooling-water machine (2-6) cooling with the second milling apparatus (2-4).
Adopt a method for said apparatus production high density ultra micro formation testing working solution, first will produce required formerMaterial and formula: auxiliary dispersant+5% main stabilizer+1% of compound weighting material+2% main dispersant+1% of 65% water+25% is auxiliaryStabilizing agent+1% electric double layer exciting agent is put into pre-dispersing device (1), stirring at normal temperature 10-30min after material adds,When material stirring enters lapping device (2) after evenly, material in milling apparatus pressure be less than 0.2 millionHandkerchief, temperature is lower than 60 degree, material from lapping device out, can carry out the adjustment of density etc.; After adjustmentEnter pretreatment unit (3), after stirring, enter storage device (4) and store finished product material.
Described density is adjusted into material stirring 10min, makes material even.
Should be understood that these embodiment are only not used in and limit the scope of the invention for the present invention is described. In addition shouldUnderstand, after having read the content of the present invention's instruction, those skilled in the art can do various changing to the present inventionMove or amendment, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (1)
1. the device for the production of high density ultra micro formation testing working solution, this device comprises the pre-dispersing device (1), lapping device (2), pretreatment unit (3) and the storage device (4) that connect successively, and the quantity of described lapping device (2) is two;
Described pre-dispersing device (1) comprises feed pot (1-1) and vibratory sieve (1-2), the quantity of described feed pot (1-1) is two, after in parallel, be connected with vibratory sieve (1-2), the screen cloth of described vibratory sieve is 100 orders;
Described lapping device (2) comprises first buffer barrel (2-1) of series connection successively, the first milling apparatus (2-2), the second buffer barrel (2-3) and the second milling apparatus (2-4), described the first milling apparatus (2-2) and the second milling apparatus (2-4) have respectively electric cabinet (2-5) and control, when described the first buffer barrel (2-1) and the second buffer barrel (2-3) enter lapping device for guarantee, material is even, the first and second buffer barrel all have agitating function, described speed of agitator is 40 turn/min, described the first milling apparatus grinding bead particle diameter 0.6-0.8 μ m, the second milling apparatus grinding bead particle diameter is 0.4-0.6 μ m,
Described pretreatment unit (3) comprises two pharmacy jars that are arranged in parallel (3-1), and each pharmacy jar (3-1) has agitating device and stirs, and the rotating speed of described stirring is 60 turn/min;
Described storage device (4) is made up of the holding vessel (4-1) of two series connection;
Described two feed pots (1-1) all have agitating device, described turn/min of speed of agitator 60;
Described the first milling apparatus (2-2) is connected cooling-water machine (2-6) cooling with the second milling apparatus (2-4).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108384523A (en) * | 2018-03-07 | 2018-08-10 | 中石化石油工程技术服务有限公司 | A kind of high-temperature high-density high stability working solution |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104559950A (en) * | 2013-12-03 | 2015-04-29 | 北京石大博诚科技有限公司 | Production device for BOSW nanoscale weighting agent |
| CN104564022A (en) * | 2014-09-03 | 2015-04-29 | 北京石大博诚科技有限公司 | BOSW supermicro oil production test liquid construction method |
| CN108410434A (en) * | 2018-03-07 | 2018-08-17 | 中石化石油工程技术服务有限公司 | A kind of production technology of high-temperature high-density high stability formation testing liquid |
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| CN101343987A (en) * | 2007-07-10 | 2009-01-14 | 孙泽义 | Drilling fluid cleaning system device |
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Cited By (1)
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| CN108384523A (en) * | 2018-03-07 | 2018-08-10 | 中石化石油工程技术服务有限公司 | A kind of high-temperature high-density high stability working solution |
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