CN107890832B - Device and method for generating on-site energy storage liquid bubble drilling fluid - Google Patents
Device and method for generating on-site energy storage liquid bubble drilling fluid Download PDFInfo
- Publication number
- CN107890832B CN107890832B CN201711173329.8A CN201711173329A CN107890832B CN 107890832 B CN107890832 B CN 107890832B CN 201711173329 A CN201711173329 A CN 201711173329A CN 107890832 B CN107890832 B CN 107890832B
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- energy storage
- liquid
- union
- foam
- bubble
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/82—Combinations of dissimilar mixers
- B01F33/821—Combinations of dissimilar mixers with consecutive receptacles
- B01F33/8212—Combinations of dissimilar mixers with consecutive receptacles with moving and non-moving stirring devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/83—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices
- B01F35/831—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices using one or more pump or other dispensing mechanisms for feeding the flows in predetermined proportion, e.g. one of the pumps being driven by one of the flows
- B01F35/8311—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices using one or more pump or other dispensing mechanisms for feeding the flows in predetermined proportion, e.g. one of the pumps being driven by one of the flows with means for controlling the motor driving the pumps or the other dispensing mechanisms
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/14—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using liquids and gases, e.g. foams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/49—Mixing drilled material or ingredients for well-drilling, earth-drilling or deep-drilling compositions with liquids to obtain slurries
Abstract
The invention discloses an on-site energy storage liquid bubble drilling fluid generating device and method, comprising an energy storage liquid bubble generating device and a static mixer, wherein the energy storage liquid bubble generating device comprises a base, the front surface of the base is provided with an energy storage foam pressure relief port union, and the bottom of the energy storage foam pressure relief port union is provided with an energy storage foam outlet union. The invention is beneficial to increasing the compression resistance of the energy storage liquid bubbles by arranging the high-power foam generator, externally connecting gas with certain pressure, entering the high-power foam generator through the air inlet union, taking out the foaming liquid from the diluent foaming box by the variable-frequency speed-regulating high-pressure temperature flow proportional pump according to the requirement, converging the foaming liquid into the high-power foam generator to the gas, generating initial energy storage liquid bubble fluid under the stirring condition, and being beneficial to obtaining stable and uniform energy storage liquid bubble drilling fluid by arranging the static mixer.
Description
Technical Field
The invention relates to the field of petroleum exploitation well drilling assistance, in particular to an on-site energy storage liquid bubble drilling fluid generating device and method.
Background
The foam and micro-foam drilling fluid has low hydrostatic column pressure, small filtration loss and good lithology, is widely used for drilling low-pressure, leakage and water-sensitive stratum, in particular to failure reservoirs of some old oil fields and low-pressure and easy-leakage stratum in the ocean range. The conventional foam and micro-foam drilling fluid is foamed under normal pressure, then is injected into the drilling fluid, the mixed foam drilling fluid enters the annular drilling fluid, the foam volume is compressed under the action of an annular high-pressure zone, the drilling fluid density is increased, the hydrostatic column pressure is increased, and the leakage prevention and plugging effects are difficult to achieve when the drilling fluid meets low-pressure easily-leaked stratum.
Therefore, it is necessary to provide a device and a method for generating an on-site energy storage liquid bubble drilling fluid to solve the above problems.
Disclosure of Invention
The invention aims to provide a device and a method for generating on-site energy storage liquid bubble drilling fluid, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: an on-site energy storage liquid bubble drilling fluid generating device comprises an energy storage liquid bubble generating device and a static mixer, wherein the energy storage liquid bubble generating device comprises a base, an energy storage foam pressure relief port union is arranged on the front surface of the base, an energy storage foam outlet union is arranged at the bottom of the energy storage foam pressure relief port union, a gas venting muffler is arranged on one side of the energy storage foam outlet union, a control cabinet is arranged at the bottom of the energy storage foam outlet union, a foam density regulator is arranged on one side of the gas venting muffler, a variable frequency speed high-pressure high-temperature flow proportional pump is arranged on one side of the foam density regulator, a high-power foam homogenizing device is arranged at the bottom of the variable frequency speed high-pressure high-temperature flow proportional pump, a high-power foam generator is arranged on one side of the high-power foam homogenizing pump, a antifriction water injection metering pump is arranged on one side of the high-power foam generating device, a concentrated foam liquid tank is arranged on one side of the antifriction water injection pump, a diluting foam liquid tank is arranged on the top of the concentrated foam liquid tank, a diluting foam liquid tank is arranged on one side of the diluting foam tank, a stirrer is arranged on the front surface of the diluting foam liquid tank, a control cabinet is arranged on the front surface of the water tank, a permanent magnet water processor is arranged on the front surface of the water tank, one side of the water tank is provided with a vertical pump, a vertical type pump is arranged on one side of the water pump, a connecting rod is arranged on one side of the air pump, a vertical pump is arranged on the bottom of the air pump, a vertical pump is arranged on one side, and the other side of the vertical pump is provided with a connecting rod, and a vertical pump is arranged, and has an air pump bottom, and one side, and has an air pump and one vertical pump and one pump is arranged, the drilling fluid base slurry inlet union is characterized in that a negative pressure cavity is formed in one side of the annular ring, a drilling fluid base slurry inlet union is formed in one side of the negative pressure cavity, an energy storage fluid bubble inlet union is formed in the top of the drilling fluid base slurry inlet union, a ground anchor is arranged at the bottom of the base, and a ground anchor fixing bolt is arranged on one side of the ground anchor.
Preferably, the bottom of the high-power foam homogenizer is provided with an air inlet union, and one end of the air inlet union is communicated with the high-power foam generator.
Preferably, the annular ring is arranged inside the static mixer, a hole groove is formed in the surface of the fixing frame, and one end of the connecting rod is connected with the fixing frame.
Preferably, one end of the energy storage liquid bubble inlet union is communicated with the energy storage foam outlet union, and the other end of the energy storage liquid bubble inlet union is communicated with the static mixer.
Preferably, one end of the drilling fluid base slurry inlet union is communicated with the static mixer, and the drilling fluid base slurry inlet union and the energy storage liquid bubble inlet union are both communicated with the negative pressure cavity.
Preferably, the number of the ground anchors and the ground anchor fixing bolts is four, and the ground anchors are connected with the ground anchor fixing bolts in a buckling mode.
The invention relates to a use method of an on-site energy storage liquid bubble drilling fluid generating device, which comprises the following steps:
1. preparing foaming liquid: liquid is extracted from the concentrated foaming liquid tank (13) and the water adding metering pump (20) in proportion from the water tank (16) through the liquid injecting metering pump (21) respectively and then enters the diluent foaming tank (14) for mixing, and the mixture is uniformly mixed under the action of the stirrer (15) to form usable foaming liquid;
2. preparing an energy storage liquid bubble fluid: the gas with pressure is externally connected, enters the high-power foam generator (11) through the air inlet union (34), meanwhile, the variable-frequency speed-regulating high-pressure temperature flow proportional pump (9) takes out foaming liquid from the diluent foaming box (14) and enters the high-power foam generator (11) to be converged with the gas, initial energy storage liquid bubble fluid is generated under the stirring condition, and the initial energy storage liquid bubble fluid is fully homogenized through the high-power foam homogenizer (10) to be changed into fine and uniform energy storage liquid bubble fluid;
3. adjusting the bubble fluid density of the energy storage liquid: after water is added through the antifriction water injection metering pump (12) and is mixed with the energy storage liquid bubble fluid, the density of the energy storage liquid bubble fluid is adjusted through the foam density adjuster (8), the energy storage liquid bubble fluid enters the energy storage liquid bubble inlet union (31) through the energy storage foam outlet union (5) so as to enter the negative pressure cavity (29), and is mixed with the drilling liquid base slurry entering the drilling liquid base slurry inlet union (30), and the mixing effect of the mixed liquid in the static mixer (2) is enhanced through the impeller (26), so that the energy storage liquid bubble drilling liquid is obtained.
The beneficial effects of the invention are as follows: the invention is beneficial to increasing the compression resistance of the energy storage liquid bubbles by arranging the high-power foam generator, externally connecting gas with certain pressure, entering the high-power foam generator through the inlet union, taking out the foaming liquid from the diluent foaming box by the variable-frequency speed-regulating high-pressure temperature flow proportional pump according to the requirement, converging the foaming liquid into the high-power foam generator to be mixed with the gas, generating initial energy storage liquid bubble fluid under the stirring condition, and being beneficial to obtaining stable and uniform energy storage liquid bubble drilling fluid by arranging the static mixer, entering the energy storage liquid bubble inlet union through the energy storage foam outlet union, entering the negative pressure cavity, mixing with drilling liquid base slurry entering the drilling liquid base slurry inlet union, and reinforcing the mixing effect of the mixed liquid in the static mixer by utilizing the impeller, thereby obtaining the initially prepared energy storage liquid bubble drilling fluid.
Drawings
FIG. 1 is a schematic diagram of an energy storage liquid bubble generating device according to the present invention;
FIG. 2 is a schematic cross-sectional view of a static mixer according to the present invention;
in the figure: the device comprises a 1 energy storage liquid bubble generating device, a 2 static mixer, a 3 base, a 4 energy storage foam pressure relief port union, a 5 energy storage foam outlet union, a 6 gas vent muffler, a 7 control cabinet, an 8 foam density regulator, a 9 variable frequency speed regulation high-pressure temperature flow proportion pump, a 10 high-power foam homogenizer, a 11 high-power foam generator, a 12 antifriction water injection metering pump, a 13 concentrated foaming liquid tank, a 14 dilution foaming liquid tank, a 15 stirrer, a 16 water tank, a 17 permanent magnet water processor, a 18 vertical centrifugal water pump, a 19 water supply union, a 20 water injection metering pump, a 21 injection metering pump, a 22 diesel engine unit, a 23 lifting lug, a 24 energy storage liquid bubble drilling liquid outlet union, a 25 annular ring, a 26 impeller, a 27 connecting rod, a 28 fixing frame, a 29 negative pressure cavity, a 30 drilling liquid base slurry inlet union, a 31 energy storage liquid bubble inlet union, a 32 ground anchor, a 33 ground anchor fixing bolt and a 34 air inlet union.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides an on-site energy storage liquid bubble drilling fluid generating device as shown in figures 1-2, which comprises an energy storage liquid bubble generating device 1 and a static mixer 2, wherein the energy storage liquid bubble generating device 1 comprises a base 3, the front surface of the base 3 is provided with an energy storage foam pressure relief port union 4, the bottom of the energy storage foam pressure relief port union 4 is provided with an energy storage foam outlet union 5, one side of the energy storage foam outlet union 5 is provided with a gas emptying muffler 6, the bottom of the energy storage foam outlet union 5 is provided with a control cabinet 7, one side of the gas emptying muffler 6 is provided with a foam density regulator 8, one side of the foam density regulator 8 is provided with a variable-frequency speed high-pressure and high-temperature flow proportional pump 9, the bottom of the variable-frequency speed high-pressure and high-temperature flow proportional pump 9 is provided with a high-power foam homogenizer 10, one side of the high-power foam homogenizer 10 is provided with a high-power foam generator 11, the high-power foam generator 11 is provided with a antifriction water injection metering pump 12 on one side, the antifriction water injection metering pump 12 is provided with a concentrated foaming liquid tank 13 on one side, the top of the concentrated foaming liquid tank 13 is provided with a diluted foaming liquid tank 14, the front of the diluted foaming liquid tank 14 is provided with a stirrer 15, the top of the diluted foaming liquid tank 14 is provided with a water tank 16, the front of the water tank 16 is provided with a permanent magnet water processor 17, one side of the water tank 16 is provided with a vertical centrifugal water pump 18, the top of the vertical centrifugal water pump 18 is provided with a water supply union 19, the bottom of the vertical centrifugal water pump 18 is provided with a water adding metering pump 20, the bottom of the water adding metering pump 20 is provided with a liquid injection metering pump 21, one side of the liquid injection metering pump 21 is provided with a diesel engine set 22, the top and the bottom of the base 3 are provided with lifting lugs 23, the static mixer 2 comprises an energy storage liquid air bubble drilling liquid outlet union 24, the drilling fluid inlet union 24 of energy storage liquid bubble is equipped with annular circle 25 on one side, the inside impeller 26 that is equipped with of annular circle 25, impeller 26 both sides all are equipped with connecting rod 27, connecting rod 27 one side is equipped with mount 28, annular circle 25 one side is equipped with negative pressure chamber 29, negative pressure chamber 29 one side is equipped with drilling fluid base thick liquid inlet union 30, drilling fluid base thick liquid inlet union 30 top is equipped with energy storage liquid bubble inlet union 31, the bottom of base 3 is equipped with earth anchor 32, earth anchor 32 one side is equipped with earth anchor fixing bolt 33.
Wherein, the bottom of the high-power foam homogenizer 10 is provided with an air inlet union 34, one end of the air inlet union 34 is communicated with the high-power foam generator 11, so that a certain pressure gas can be conveniently and directly introduced into the high-power foam generator 11, the compression resistance of the energy storage liquid bubbles can be increased, the annular ring 25 is arranged in the static mixer 2, the surface of the fixing frame 28 is provided with a hole groove, one end of the connecting rod 27 is connected with the fixing frame 28, the mixed liquid is primarily mixed in the negative pressure cavity 29, the mixing effect of the mixed liquid in the static mixer 2 is enhanced by utilizing the impeller 26, one end of the energy storage liquid bubble inlet union 31 is communicated with the energy storage foam outlet union 5, the other end of the energy storage liquid bubble inlet union 31 is communicated with the static mixer 2, one end of the drilling fluid base slurry inlet union 30 is communicated with the static mixer 2, the drilling fluid base slurry inlet union 30 and the energy storage fluid bubble inlet union 31 are both communicated with the negative pressure cavity 29, the number of the ground anchors 32 and the number of the ground anchor fixing bolts 33 are four, and the ground anchors 32 are in buckling connection with the ground anchor fixing bolts 33.
The invention relates to a field energy storage liquid bubble drilling fluid generating device, which comprises the following working processes:
1. preparing foaming liquid: liquid is respectively extracted from the concentrated foaming liquid tank 13 and the water adding metering pump 20 in proportion from the water tank 16 through the liquid injecting metering pump 21 and then enters the diluent foaming tank 14 for mixing, and the mixture is uniformly mixed under the action of the stirrer 15 to form usable foaming liquid;
2. preparing an energy storage liquid bubble fluid: the gas with certain pressure is externally connected, and enters the high-power foam generator 11 through the air inlet union 34, meanwhile, the variable-frequency speed-regulating high-pressure temperature flow proportional pump 9 takes out foaming liquid from the diluent foaming box 14 as required, and enters the high-power foam generator 11 to be converged with the gas, so that initial energy storage liquid bubble fluid is generated under the stirring condition, and is fully homogenized into fine and uniform energy storage liquid bubble fluid through the high-power foam homogenizer 10;
3. adjusting the bubble fluid density of the energy storage liquid: after a certain amount of water is added through the antifriction water injection metering pump 12 and the energy storage liquid bubble fluid is mixed, the density of the energy storage liquid bubble fluid is regulated through the foam density regulator 8, the energy storage liquid bubble fluid enters the energy storage liquid bubble inlet union 31 through the energy storage foam outlet union 5 so as to enter the negative pressure cavity 29, and is mixed with drilling fluid base slurry entering the drilling fluid base slurry inlet union 30, the mixing effect of the mixed liquid in the static mixer 2 is enhanced through the impeller 26, and the initially prepared energy storage liquid bubble drilling fluid is obtained.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (5)
1. An on-site energy storage liquid bubble drilling fluid generating device is characterized in that: including energy storage liquid bubble generating device (1) and static mixer (2), energy storage liquid bubble generating device (1) includes base (3), base (3) openly are equipped with energy storage foam pressure release mouth union (4), energy storage foam pressure release mouth union (4) bottom is equipped with energy storage foam outlet union (5), energy storage foam outlet union (5) one side is equipped with gaseous blowdown silencer (6), energy storage foam outlet union (5) bottom is equipped with switch board (7), gaseous blowdown silencer (6) one side is equipped with foam density regulator (8), foam density regulator (8) one side is equipped with variable frequency speed high pressure temperature flow proportion pump (9), variable frequency speed high pressure temperature flow proportion pump (9) bottom is equipped with high-power foam homogenizer (10), high-power foam homogenizer (11) are equipped with high-power foam generator (11) on one side, high-power foam generator (11) one side is equipped with antifriction water injection (12), antifriction water injection (12) one side is equipped with concentrated foam liquid tank (13), concentrated foam liquid (14) are equipped with dilution tank (14) top (14), dilution liquid (14) are equipped with dilution liquid (14), the utility model discloses a water tank, including water tank (16), water tank (16) openly is equipped with permanent magnetism water treater (17), water tank (16) one side is equipped with vertical centrifugal water pump (18), vertical centrifugal water pump (18) top is equipped with water supply union (19), vertical centrifugal water pump (18) bottom is equipped with water dosing pump (20), water dosing pump (20) bottom is equipped with annotates liquid metering pump (21), annotate liquid metering pump (21) one side and be equipped with diesel engine group (22), base (3) top and bottom all are equipped with lug (23), static mixer (2) are including energy storage liquid bubble drilling fluid outlet union (24), energy storage liquid bubble drilling fluid outlet union (24) one side is equipped with annular circle (25), annular circle (25) inside is equipped with impeller (26), impeller (26) both sides all are equipped with connecting rod (27), connecting rod (27) one side is equipped with mount (28), annular circle (25) one side is equipped with negative pressure chamber (29), negative pressure chamber (29) one side is equipped with diesel base thick liquid entry union (30), base thick liquid entry union (30) are equipped with well drilling fluid entry union (31) bottom anchor (31), an anchor fixing bolt (33) is arranged on one side of the anchor (32);
an air inlet union (34) is arranged at the bottom of the high-power foam homogenizer (10), and one end of the air inlet union (34) is communicated with the high-power foam generator (11);
the annular ring (25) is arranged inside the static mixer (2), a hole groove is formed in the surface of the fixing frame (28), and one end of the connecting rod (27) is connected with the fixing frame (28).
2. The on-site energy storage liquid and gas bubble drilling fluid generating device according to claim 1, wherein: one end of the energy storage liquid bubble inlet union (31) is communicated with the energy storage foam outlet union (5), and the other end of the energy storage liquid bubble inlet union (31) is communicated with the static mixer (2).
3. The on-site energy storage liquid and gas bubble drilling fluid generating device according to claim 1, wherein: one end of the drilling fluid base slurry inlet union (30) is communicated with the static mixer (2), and the drilling fluid base slurry inlet union (30) and the energy storage fluid bubble inlet union (31) are both communicated with the negative pressure cavity (29).
4. The on-site energy storage liquid and gas bubble drilling fluid generating device according to claim 1, wherein: the number of the ground anchors (32) and the number of the ground anchor fixing bolts (33) are four, and the ground anchors (32) are in buckling connection with the ground anchor fixing bolts (33).
5. A method of using the on-site energy storage fluid bubble drilling fluid generating apparatus as defined in any one of claims 1-4, comprising the steps of:
1. preparing foaming liquid: liquid is extracted from the concentrated foaming liquid tank (13) and the water adding metering pump (20) in proportion from the water tank (16) through the liquid injecting metering pump (21) respectively and then enters the diluent foaming tank (14) for mixing, and the mixture is uniformly mixed under the action of the stirrer (15) to form usable foaming liquid;
2. preparing an energy storage liquid bubble fluid: the gas with pressure is externally connected, enters the high-power foam generator (11) through the air inlet union (34), meanwhile, the variable-frequency speed-regulating high-pressure temperature flow proportional pump (9) takes out foaming liquid from the diluent foaming box (14) and enters the high-power foam generator (11) to be converged with the gas, initial energy storage liquid bubble fluid is generated under the stirring condition, and the initial energy storage liquid bubble fluid is fully homogenized through the high-power foam homogenizer (10) to be changed into fine and uniform energy storage liquid bubble fluid;
3. adjusting the bubble fluid density of the energy storage liquid: after water is added through the antifriction water injection metering pump (12) and is mixed with the energy storage liquid bubble fluid, the density of the energy storage liquid bubble fluid is adjusted through the foam density adjuster (8), the energy storage liquid bubble fluid enters the energy storage liquid bubble inlet union (31) through the energy storage foam outlet union (5) so as to enter the negative pressure cavity (29), and is mixed with the drilling liquid base slurry entering the drilling liquid base slurry inlet union (30), and the mixing effect of the mixed liquid in the static mixer (2) is enhanced through the impeller (26), so that the energy storage liquid bubble drilling liquid is obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711173329.8A CN107890832B (en) | 2017-11-22 | 2017-11-22 | Device and method for generating on-site energy storage liquid bubble drilling fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711173329.8A CN107890832B (en) | 2017-11-22 | 2017-11-22 | Device and method for generating on-site energy storage liquid bubble drilling fluid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107890832A CN107890832A (en) | 2018-04-10 |
| CN107890832B true CN107890832B (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711173329.8A Active CN107890832B (en) | 2017-11-22 | 2017-11-22 | Device and method for generating on-site energy storage liquid bubble drilling fluid |
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| CN2761821Y (en) * | 2005-01-10 | 2006-03-01 | 辽河石油勘探局 | Slurry, air filling blending device for low pressure well drilling |
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| EP2910733A1 (en) * | 2014-02-25 | 2015-08-26 | MC-Bauchemie Müller GmbH & Co. Chemische Fabriken | Foam generator for an earth pressure shield tunnel propulsion machine and method for conditioning removed soil material as a support medium for an earth pressure shield |
| CN105233744A (en) * | 2015-10-29 | 2016-01-13 | 宝鸡航天动力泵业有限公司 | Blending device for high-pressure foams and mud |
| CN205138953U (en) * | 2015-11-27 | 2016-04-06 | 南京工业大学 | Experimental device for high power foam is LNG vapour diffusion effect with higher speed |
| CN207756080U (en) * | 2017-11-22 | 2018-08-24 | 中石化石油工程技术服务有限公司 | A kind of scene accumulation of energy liquid bubble drilling fluid generating means |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2761821Y (en) * | 2005-01-10 | 2006-03-01 | 辽河石油勘探局 | Slurry, air filling blending device for low pressure well drilling |
| CN101021160A (en) * | 2007-03-05 | 2007-08-22 | 煤炭科学研究总院重庆分院 | High power inhibition foam for preventing and controlling coal self-ignition and generating device thereof |
| WO2014174294A1 (en) * | 2013-04-26 | 2014-10-30 | Acal Energy Limited | Foam-generating apparatus and method |
| EP2910733A1 (en) * | 2014-02-25 | 2015-08-26 | MC-Bauchemie Müller GmbH & Co. Chemische Fabriken | Foam generator for an earth pressure shield tunnel propulsion machine and method for conditioning removed soil material as a support medium for an earth pressure shield |
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|---|---|
| CN107890832A (en) | 2018-04-10 |
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Effective date of registration: 20180920 Address after: 100101 Beichen West Road, Chaoyang District, Beijing 8 Beichen world center, block A 703. Applicant after: Wang Xudong Address before: 100101 Beichen West Road, Chaoyang District, Beijing 8 Beichen world center, block A 703. Applicant before: SINOPEC OILFIELD SERVICE Corp. Applicant before: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Applicant before: DRILLING WELL ENGINEERING TECHNOLOGY COMPANY OF SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. |
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Effective date of registration: 20181127 Address after: 100101 Beichen West Road, Chaoyang District, Beijing 8 Beichen world center, block A 703. Applicant after: SINOPEC OILFIELD SERVICE Corp. Applicant after: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Applicant after: DRILLING WELL ENGINEERING TECHNOLOGY COMPANY OF SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Address before: 100101 Beichen West Road, Chaoyang District, Beijing 8 Beichen world center, block A 703. Applicant before: Wang Xudong |
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