CN103305195A - Method and device for producing high-density ultra-micro oil testing working fluid - Google Patents
Method and device for producing high-density ultra-micro oil testing working fluid Download PDFInfo
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- CN103305195A CN103305195A CN2013102257472A CN201310225747A CN103305195A CN 103305195 A CN103305195 A CN 103305195A CN 2013102257472 A CN2013102257472 A CN 2013102257472A CN 201310225747 A CN201310225747 A CN 201310225747A CN 103305195 A CN103305195 A CN 103305195A
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Abstract
The invention relates to a method and device for producing high-density ultra-micro oil testing working fluid. The device comprises a pre-dispersion device (1), two grinding devices (2), a pretreating device (3) and a storage device (4) which are connected with one another in sequence.
Description
Technical field
The present invention relates to a kind of method and apparatus of producing high-density ultra micro formation testing working fluid, belong to oil liquid production technical field.
Background technology
Along with the petroleum industry exploratory development marches to the super deep layer of deep layer, high-density formation testing working fluid technology becomes smoothly one of gordian technique of guarantee drilling operation safety.Need to add a large amount of solid phase high-density weighting materials to improve density in the conventional high-density formation testing working fluid, caused in the drilling and completing fluids solid load large, rig-site utilization ubiquity rheological and the unmanageable basic contradiction of dehydration building capacity.
Drilling engineering is faced with the probing of western deep-well, ultra deep well, the problems such as extended reach well, the extra large oily Lu Cai of realization are bored in exploitation and Haiti, beach district that interspaced well, multilateral well raising recovery ratio, low-permeability oil gas reservoir are made in the Old Eastern oil field, require drilling fluid density higher, temperature resistance and anti-various pollution capacities stronger (saturated salt, gypsum, drilling cuttings comprehensive pollution).The particle diameter of conventional high-density formation testing working fluid weighting agent (such as ground barium sulfate) often occurs in application process that the barite subsidence rate is high, drilling fluid density unequal phenomenon up and down usually between 10 μ m～70 μ m.In order to solve its suspension problem, usually need to add a large amount for the treatment of agents.But along with the increase for the treatment of 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 controlling, keep lower rheological parameter with effective controlled circulation equal yield density (ECD) and higher stickingly cut to guarantee that the contradiction between the barite suspension is difficult to be in harmonious proportion, thereby have a strong impact on drilling well work.Simultaneously, the solid phase particles such as barite also causes certain injury to hydrocarbon zone to the obstruction of stratum pore throat.Therefore, traditional high-density weighting material is carried out the ultra micro modification become one of research direction of present drill in fluid, researching and developing so a kind ofly can become a key by production modification ultrafine powder producing and manufacturing technique.
Summary of the invention
In order to overcome defective of the prior art, the invention provides a kind of device for the production of high-density ultra micro formation testing working fluid, this device comprises pre-dispersing device (1), milling apparatus (2), pretreatment unit (3) and the storing unit (4) that connects successively, and the quantity of described milling apparatus (2) is two.
Described pre-dispersing device (1) comprises feed pot (1-1) and vibratory screening apparatus (1-2), and the quantity of described feed pot (1-1) is two, links to each other with vibratory screening apparatus (1-2) after the parallel connection, and the screen cloth of described vibratory screening apparatus is 100 orders.
Described milling apparatus (2) comprises the first buffer barrel (2-1) that connects successively, the first grinding plant (2-2), the second buffer barrel (2-3) and the second grinding plant (2-4), described the first grinding plant (2-2) and the second grinding plant (2-4) have respectively electric control box (2-5) control, material was even when described the first buffer barrel (2-1) and the second buffer barrel (2-3) were used for guaranteeing to enter milling apparatus, the first and second buffer barrel all have agitating function, described mixing speed is 40 to turn/min, described the first grinding plant grinding bead particle diameter 0.6-0.8um, the second grinding plant grinding bead particle diameter is 0.4-0.6um.
Described pretreatment unit (3) comprises two pharmacy jars that are arranged in parallel (3-1), and each pharmacy jar (3-1) has whipping appts and stirs, and the rotating speed of described stirring is 60 to turn/min.
Described storing unit (4) is comprised of two hold-up vessels (4-1).
2. a kind of device for the production of high-density ultra micro formation testing working fluid according to claim 1 is characterized in that described two feed pots (1-1) all have whipping appts, and described mixing speed 60 turns/min.
3. a kind of device for the production of high-density ultra micro formation testing working fluid according to claim 1 is characterized in that described the first grinding plant (2-2) and is connected grinding plant (2-4) connection cooling-water machine (2-6) cooling.
4. the method for an employing such as the described device production of claim 1-3 high-density ultra micro formation testing working fluid, it is characterized in that: at first will produce desired raw material and prescription: (what the concrete title of each component is to the compound high-density weighting material of the 65% water+25%+auxiliary dispersion agent of the 2% main dispersant+1%+auxiliary stablizer of 5% main stabilizer+1%+1% electrostatic double layer exciting agent, is for example what main stabilizer?) put into pre-dispersing device (1), stirring at normal temperature 10-30min after material adds, after material stirring is even, enter milling apparatus (2), material in grinding plant pressure less than 0.2 MPa, temperature is lower than 60 degree, material from milling apparatus out after, can carry out the adjustment of density etc.; Adjust and enter pretreatment unit (3) after complete, stir and enter storing unit (4) after complete and store finished product material.
5. the method for production high-density ultra micro formation testing working fluid as claimed in claim 4 is characterized in that described density is adjusted into material stirring 10min, makes material even.
Beneficial effect:
The present invention is simple in structure, and is reasonable in design, easy to operate, stable, reliable, safety.
Description of drawings
The present invention is further detailed explanation below in conjunction with drawings and the embodiments:
Fig. 1 is the process flow diagram of production equipment;
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.
A kind of device for the production of high-density ultra micro formation testing working fluid, this device comprises pre-dispersing device (1), milling apparatus (2), pretreatment unit (3) and the storing unit (4) that connects successively, and the quantity of described milling apparatus (2) is two.
Described pre-dispersing device (1) comprises feed pot (1-1) and vibratory screening apparatus (1-2), and the quantity of described feed pot (1-1) is two, links to each other with vibratory screening apparatus (1-2) after the parallel connection, and the screen cloth of described vibratory screening apparatus is 100 orders.
Described milling apparatus (2) comprises the first buffer barrel (2-1) that connects successively, the first grinding plant (2-2), the second buffer barrel (2-3) and the second grinding plant (2-4), described the first grinding plant (2-2) and the second grinding plant (2-4) have respectively electric control box (2-5) control, material was even when described the first buffer barrel (2-1) and the second buffer barrel (2-3) were used for guaranteeing to enter milling apparatus, the first and second buffer barrel all have agitating function, described mixing speed is 40 to turn/min, described the first grinding plant grinding bead particle diameter 0.6-0.8um, the second grinding plant grinding bead particle diameter is 0.4-0.6um.The effect of buffer barrel mainly is that material is even when guaranteeing to enter milling apparatus, is to go if having time to process when milling apparatus goes wrong, and plays shock absorption.
Described pretreatment unit (3) comprises two pharmacy jars that are arranged in parallel (3-1), and each pharmacy jar (3-1) has whipping appts and stirs, and the rotating speed of described stirring is 60 to turn/min.
Described storing unit (4) is comprised of two hold-up vessels (4-1).
Described two feed pots (1-1) all have whipping appts, and described mixing speed 60 turns/min.
Described the first grinding plant (2-2) be connected grinding plant (2-4) and connect cooling-water machine (2-6) cooling.
A kind of method that adopts said apparatus production high-density ultra micro formation testing working fluid, it is characterized in that: at first will produce desired raw material and prescription: (what the concrete title of each component is to the compound high-density weighting material of the 65% water+25%+auxiliary dispersion agent of the 2% main dispersant+1%+auxiliary stablizer of 5% main stabilizer+1%+1% electrostatic double layer exciting agent, is for example what main stabilizer?) put into pre-dispersing device (1), stirring at normal temperature 10-30min after material adds, after material stirring is even, enter milling apparatus (2), material in grinding plant pressure less than 0.2 MPa, temperature is lower than 60 degree, material from milling apparatus out after, can carry out the adjustment of density etc.; Adjust and enter pretreatment unit (3) after complete, stir and enter storing unit (4) after complete and store finished product material.
Described density is adjusted into material stirring 10min, makes material even.
Should be understood that these embodiment only to be used for explanation the present invention and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (5)
1. device for the production of high-density ultra micro formation testing working fluid, this device comprises pre-dispersing device (1), milling apparatus (2), pretreatment unit (3) and the storing unit (4) that connects successively, and the quantity of described milling apparatus (2) is two.
Described pre-dispersing device (1) comprises feed pot (1-1) and vibratory screening apparatus (1-2), and the quantity of described feed pot (1-1) is two, links to each other with vibratory screening apparatus (1-2) after the parallel connection, and the screen cloth of described vibratory screening apparatus is 100 orders.
Described milling apparatus (2) comprises the first buffer barrel (2-1) that connects successively, the first grinding plant (2-2), the second buffer barrel (2-3) and the second grinding plant (2-4), described the first grinding plant (2-2) and the second grinding plant (2-4) have respectively electric control box (2-5) control, material was even when described the first buffer barrel (2-1) and the second buffer barrel (2-3) were used for guaranteeing to enter milling apparatus, the first and second buffer barrel all have agitating function, described mixing speed is 40 to turn/min, described the first grinding plant grinding bead particle diameter 0.6-0.8um, the second grinding plant grinding bead particle diameter is 0.4-0.6um.
Described pretreatment unit (3) comprises two pharmacy jars that are arranged in parallel (3-1), and each pharmacy jar (3-1) has whipping appts and stirs, and the rotating speed of described stirring is 60 to turn/min.
Described storing unit (4) is comprised of two hold-up vessels (4-1).
2. a kind of device for the production of high-density ultra micro formation testing working fluid according to claim 1 is characterized in that described two feed pots (1-1) all have whipping appts, and described mixing speed 60 turns/min.
3. a kind of device for the production of high-density ultra micro formation testing working fluid according to claim 1 is characterized in that described the first grinding plant (2-2) and is connected grinding plant (2-4) connection cooling-water machine (2-6) cooling.
4. the method for an employing such as the described device production of claim 1-3 high-density ultra micro formation testing working fluid, it is characterized in that: at first will produce desired raw material and prescription: (what the concrete title of each component is to the compound high-density weighting material of the 65% water+25%+auxiliary dispersion agent of the 2% main dispersant+1%+auxiliary stablizer of 5% main stabilizer+1%+1% electrostatic double layer exciting agent, is for example what main stabilizer?) put into pre-dispersing device (1), stirring at normal temperature 10-30min after material adds, after material stirring is even, enter milling apparatus (2), material in grinding plant pressure less than 0.2 MPa, temperature is lower than 60 degree, material from milling apparatus out after, can carry out the adjustment of density etc.; Adjust and enter pretreatment unit (3) after complete, stir and enter storing unit (4) after complete and store finished product material.
5. the method for production high-density ultra micro formation testing working fluid as claimed in claim 4 is characterized in that described density is adjusted into material stirring 10min, makes material even.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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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