CN112177585B - Acidizing of oil field oil-water well is with acidizing fluid injection device - Google Patents

Acidizing of oil field oil-water well is with acidizing fluid injection device Download PDF

Info

Publication number
CN112177585B
CN112177585B CN202011042781.2A CN202011042781A CN112177585B CN 112177585 B CN112177585 B CN 112177585B CN 202011042781 A CN202011042781 A CN 202011042781A CN 112177585 B CN112177585 B CN 112177585B
Authority
CN
China
Prior art keywords
acid
pipe
acid liquor
tank
fixedly connected
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202011042781.2A
Other languages
Chinese (zh)
Other versions
CN112177585A (en
Inventor
郭锦涛
杨静
权鹏飞
何洲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xi'an Burui Petroleum Engineering Technology Co ltd
Original Assignee
Xi'an Burui Petroleum Engineering Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xi'an Burui Petroleum Engineering Technology Co ltd filed Critical Xi'an Burui Petroleum Engineering Technology Co ltd
Priority to CN202011042781.2A priority Critical patent/CN112177585B/en
Publication of CN112177585A publication Critical patent/CN112177585A/en
Application granted granted Critical
Publication of CN112177585B publication Critical patent/CN112177585B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/25Methods for stimulating production
    • E21B43/26Methods for stimulating production by forming crevices or fractures
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/03Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/70Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms

Abstract

The invention relates to the field of oilfield development devices, and particularly discloses an acid liquor injection device for acidification of an oil-water well in an oilfield, which comprises an acid liquor tank, wherein a liquor inlet pipe is arranged at the top of the acid liquor tank, a rotating motor is arranged on the side wall of the acid liquor tank, an output shaft of the rotating motor penetrates through the side wall of the acid liquor tank and is fixedly connected with a stirring rod, a plurality of stirring blades are fixedly connected around the stirring rod, a plurality of rebounding rods are fixedly connected between every two adjacent stirring blades, a plurality of liquor passing holes are formed in the surfaces of the stirring blades, a limiting block is fixedly arranged on one side, far away from the rotating motor, in the acid liquor tank, the limiting block is a bearing type limiting block, an inner ring of the limiting block is rotatably connected with an outer ring through a ball, and the inner ring of the limiting block is fixedly connected with the end part of the stirring rod. According to the invention, the stirring rod is arranged in the acid liquor tank, so that the acid liquor is uniformly mixed before injection, and the utilization rate is improved.

Description

Acidizing of oil field oil-water well is with acidizing fluid injection device
Technical Field
The invention relates to the field of oilfield development devices, and particularly discloses an acid liquor injection device for acidification of an oilfield oil-water well.
Background
The oil field refers to the sum of oil and gas reservoirs in the same oil and gas production area under the control of a single geological structure factor, oil wells are arranged on the oil field to extract oil, the oil wells are drilled holes according to a well distribution system planned by oil field development, and the oil rises to a channel of a well head from a well bottom. After drilling oil layer, the oil layer casing is set, and the cement is injected into the annular space between casing and well wall to maintain well wall and seal oil, gas and water layer.
At present, petroleum is extracted by an acidification technology, and acid liquor reacts with rocks after entering gaps or cracks to erode the walls of the gaps or cracks, increase the volume of the gaps, enlarge the width of the cracks, play a role in dredging, improve the seepage conditions of fluids and restore the original permeability of the stratum. In order to enhance the reaction capability with the rock, a plurality of acid liquids are often mixed and injected, but at present, the acid liquids need to be mixed separately and cannot be mixed uniformly, so that the dredging effect is influenced. Therefore, the invention provides an acid liquor injection device for acidification of an oil-water well in an oil field.
Disclosure of Invention
In view of the technical shortcomings, the invention aims to provide an acid liquor injection device for acidification of an oil-water well in an oil field, which solves the problems pointed out in the background technology.
In order to solve the technical problems, the invention adopts the following technical scheme:
the present invention provides a cell culture apparatus, comprising:
an acid liquor tank;
the acid liquor tank is a hollow cylindrical tank body which is horizontally placed;
a liquid inlet pipe is arranged at the top of the acid liquid tank, and the opening of the liquid inlet pipe is funnel-shaped;
the side wall of the acid liquor tank is provided with a rotating motor, an output shaft of the rotating motor penetrates through the side wall of the acid liquor tank and is fixedly connected with a stirring rod, a plurality of stirring blades are fixedly connected around the stirring rod, a plurality of rebounding rods are fixedly connected between every two adjacent stirring blades, and a plurality of liquor passing holes are formed in the surfaces of the stirring blades;
a limiting block is fixedly arranged on one side, far away from the rotating motor, of the interior of the acid liquor tank;
the limiting block is a bearing type limiting block, the inner ring and the outer ring of the limiting block are rotationally connected through balls, and the inner ring of the limiting block is fixedly connected with the end portion of the stirring rod.
Preferably, the bottom of the acid liquor tank is communicated with a flow control pipeline, a valve is arranged on the flow control pipeline, and an acid injection pipe is arranged at the bottom of the flow control pipeline;
an acid liquor output system and an acid liquor recovery system are further arranged in the acid injection pipe.
Preferably, the acid liquor output system comprises an output hard pipe, one end of the output hard pipe is communicated with the flow control pipeline, and the other end of the output hard pipe is communicated with a conveying hose.
Preferably, the acid liquor recovery system comprises a recovery tank arranged on the inner wall of the acid injection pipe, a water pump is arranged in the recovery tank, a liquid inlet of the water pump is communicated with a recovery pipe, the other end of the recovery pipe is communicated with a recovery hose, a liquid outlet of the water pump is communicated with a conduit, and the other end of the conduit extends to the upper part of the acid liquor tank and is communicated with the liquid inlet pipe.
Preferably, one end of the conduit, which is far away from the acid injection pipe, is communicated with a vertical pipe end of an L-shaped filter pipe;
the transverse pipe end of the filter pipe is communicated with the liquid inlet pipe, and a filter assembly is arranged in the filter pipe;
the filter assembly comprises a filter screen, the filter screen is arranged in the horizontal pipe inside of the filter pipe, and is connected with the horizontal pipe in a fixed mode, a closable filter residue outlet is formed in the side wall of the filter pipe, the filter residue outlet is located on the side wall of the filter pipe, the filter screen is far away from one side of the liquid inlet pipe, the filter pipe is arranged in the filter pipe, a filter residue scraper blade is arranged at the filter residue outlet, a movable rod is fixedly connected to the filter residue scraper blade, and the movable rod is connected with the filter pipe in a rotating mode.
Preferably, the opening has been seted up to the filter tube upper wall, opening part fixedly connected with connecting rod, the movable rod cover is established on the connecting rod, and can be perpendicular to the connecting rod direction rotates.
Preferably, one end of the acid injection pipe, which is far away from the acid liquid tank, is fixedly connected with a connector used for being connected with an acidification device.
Preferably, the acid liquor tank, the flow control pipeline and the acid injection pipe are all made of corrosion-resistant materials.
Preferably, a support is further fixedly arranged at the bottom of the acid liquor tank, the support comprises a first support plate and a second support plate which are arranged at two ends of the bottom of the acid liquor tank, and grooves matched with the tank body of the acid liquor tank are formed in the tops of the first support plate and the second support plate.
Preferably, the bottom of the support is provided with a universal wheel with a lock.
The invention has the beneficial effects that: according to the acid liquor injection device, the stirring rod is arranged in the acid liquor tank, so that the acid liquor is uniformly mixed before injection, and the utilization rate is improved; the horizontal bearing capacity of the stirring rod is increased while the stirring rod rotates due to the arrangement of the limiting block, so that damage caused by uneven stress is prevented; the conveying amount of the acid liquor is controlled through a valve of the flow control pipeline, the acid liquor is output through the acid liquor output system, and the used acid liquor is recycled through the acid liquor recovery system and can be reused; the filtering component is used for filtering the recovered acid liquid, and the influence of impurities in the recovered acid liquid on the use of the new acid liquid is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an acid solution injection device for acidizing an oil-water well in an oil field according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the construction of the acid solution tank of FIG. 1;
FIG. 3 is a schematic longitudinal cut view of the acid injection tube of FIG. 2;
FIG. 4 is a schematic perspective view of FIG. 3;
FIG. 5 is a schematic structural view of the filter tube of FIG. 1;
FIG. 6 is a schematic view of the filter assembly of FIG. 5;
FIG. 7 is a schematic view of the movable rod connection structure of FIG. 6;
description of reference numerals: 1-acid liquid tank, 2-bracket, 3-acid injection pipe, 101-liquid inlet pipe, 102-rotating motor, 103-stirring rod, 104-stirring blade, 105-limiting block, 106-flow control pipeline, 107-valve, 1041-rebound rod, 301-output hard pipe, 302-conveying hose, 303-recovery box, 304-recovery pipe, 305-recovery hose, 306-conduit, 307-interface, 3061-filtering pipe, 3062-filtering component, 3063-filter screen, 3064-residue scraper, 3065-movable rod, 3066-connecting rod and 3067-residue outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing technical solutions of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the invention.
As shown in fig. 1 to 7, an acid solution injection device for acidizing an oil-water well in an oil field comprises:
an acid solution tank 1;
the acid liquor tank 1 is a hollow cylindrical tank body which is horizontally placed;
a liquid inlet pipe 101 is arranged at the top of the acid liquid tank 1, and the opening of the liquid inlet pipe 101 is funnel-shaped;
a rotating motor 102 is arranged on the side wall of the acid solution tank 1, an output shaft of the rotating motor 102 penetrates through the side wall of the acid solution tank 1 and is fixedly connected with a stirring rod 103, a plurality of stirring blades 104 are fixedly connected around the stirring rod 103, a plurality of rebounding rods 1041 are fixedly connected between every two adjacent stirring blades 104, and a plurality of solution passing holes are formed in the surface of each stirring blade 104;
a limiting block 105 is fixedly arranged on one side, far away from the rotating motor 102, in the acid liquor tank 1;
the limiting block 105 is a bearing type limiting block, an inner ring and an outer ring of the limiting block 105 are rotationally connected through balls, and the inner ring of the limiting block 105 is fixedly connected with the end portion of the stirring rod 103.
During the use, start rotating electrical machines 102, make puddler 103 rotatory, pour multiple required acidizing fluid into in the acidizing fluid reservoir 1 from feed liquor pipe 101, the acidizing fluid gets into acidizing fluid reservoir 1 and is just producing the impact force to pivoted stirring leaf 104, make the acidizing fluid part flow in between other stirring leaves from the liquid hole of crossing on the stirring leaf 104, partly through on the bounce-back striking of stirring leaf 104 is to bounce-back stick 1041, make the acidizing fluid further disperse, go on repeatedly, make multiple acidizing fluid misce bene, the stopper 105 that sets up rotates through the ball between inner circle and the outer lane, frictional force has been reduced, simultaneously play the supporting role to puddler 103 tip, prevent long-term stirring, the inhomogeneous damage that causes of atress.
In this embodiment, the bottom of the acid solution tank 1 is communicated with a flow control pipeline 106, a valve 107 is arranged on the flow control pipeline, and the bottom of the flow control pipeline 106 is provided with an acid injection pipe 3;
an acid liquor output system and an acid liquor recovery system are further arranged inside the acid injection pipe 3, the valve 107 is arranged on the flow control pipeline 106, the flow control pipeline 106 is opened or closed, the valve is closed before stirring, the valve is opened after stirring is completed, the flow is controlled through incomplete closing of the valve, the acid liquor output system arranged inside the acid injection pipe 3 is used for conveying acid liquor to an acidification device in the prior art, and the acid liquor recovery system is used for recovering the acid liquor left after treatment, so that waste is reduced.
The acid liquor output system comprises an output hard pipe 301, one end of the output hard pipe 301 is communicated with the flow control pipeline 106, the other end of the output hard pipe 301 is communicated with a conveying hose 302, and the conveying hose 302 is used for conveying acid liquor into the acidification device in the prior art.
The acid liquor recovery system comprises a recovery tank 303 arranged on the inner wall of an acid injection pipe 3, a water pump is arranged in the recovery tank 303, a liquid inlet of the water pump is communicated with a recovery pipe 304, the other end of the recovery pipe 304 is communicated with a recovery hose 305, a liquid outlet of the water pump is communicated with a conduit 306, the other end of the conduit 306 extends to the upper part of the acid liquor tank 1, is communicated with the liquid inlet pipe, extends into the acidification device by utilizing the recovery hose 305, and is pumped out by the water pump.
One end of the conduit 306, which is far away from the acid injection pipe 3, is communicated with a vertical pipe end of an L-shaped filter pipe 3061;
the transverse pipe end of the filtering pipe 3061 is communicated with the liquid inlet pipe 101, and a filtering assembly 3062 is arranged inside the filtering pipe 3061;
the filtering assembly 3062 includes a filtering net 3063, the filtering net 3063 is disposed inside the transverse pipe of the filtering pipe 3061, and is fixedly connected with the horizontal pipe, a closable residue outlet 3067 is arranged on the side wall of the filtering pipe 3061, a sealing plug is arranged at the residue outlet 3067 and is used for opening or closing the residue outlet 3067, the residue outlet 3067 is located on a side of the filter screen 3063 remote from the liquid inlet pipe 101, a residue scraper 3064 is arranged in the filtering pipe 3061 and at the residue outlet 3067, the residue scraper 3064 is closely attached to the inner wall of the bottom of the filtering pipe 3061, a movable rod 3065 is fixedly connected to the residue scraper 3064, the residue scraper 3064 is controlled by rotating the movable rod 3065 to scrape redundant impurities along the inner wall of the filtering pipe 3061, the recovered acid liquid is left after reaction under the ground, therefore, the novel acid liquor contains a large amount of impurities, and the filter assembly prevents the impurities from influencing the novel acid liquor;
an opening is formed in the upper wall of the filtering pipe 3061, a connecting rod 3066 is fixedly connected to the opening in the extending direction of the filtering pipe 3061, the movable rod 3065 is sleeved on the connecting rod 3066 and can be perpendicular to the connecting rod 3066 to rotate, the movable rod 3065 is rotated, so that the filter residue scraper 3064 concentrates impurities to the filter residue outlet 3067 and is taken out, and the filtering assembly is prevented from being blocked.
In this embodiment, an interface 307 for connecting with an acidification device is fixedly connected to one end of the acid injection pipe 3 away from the acid solution tank 1, and the interface 307 is used for connecting the acid injection pipe 3 of the present invention with the acidification device in the prior art to jointly complete acidification.
The acid liquor tank 1, the flow control pipeline 106 and the acid injection pipe 3 are all made of corrosion-resistant materials, so that corrosion caused by long-term acid liquor conveying is avoided.
The bottom of the acid liquid tank 1 is fixedly provided with a support 2, the support 2 comprises a first support plate and a second support plate which are arranged at two ends of the bottom of the acid liquid tank 1, grooves matched with the tank body of the acid liquid tank 1 are formed in the tops of the first support plate and the second support plate, the support 2 is used for supporting the acid liquid tank 1, and the grooves are formed to enable the support 2 to be matched with the cylindrical acid liquid tank 1.
The universal wheels with locks are arranged at the bottom of the support 2, so that the device is convenient to move and use.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (7)

1. The utility model provides an acidizing of oil field oil-water well is with acidizing fluid injection device which characterized in that includes:
an acid liquor tank (1);
the acid liquor tank (1) is a hollow cylindrical tank body which is horizontally placed;
a liquid inlet pipe (101) is arranged at the top of the acid liquid tank (1), and the opening of the liquid inlet pipe (101) is funnel-shaped;
a rotating motor (102) is arranged on the side wall of the acid liquor tank (1), an output shaft of the rotating motor (102) penetrates through the side wall of the acid liquor tank (1) and is fixedly connected with a stirring rod (103), a plurality of stirring blades (104) are fixedly connected around the stirring rod (103), a plurality of rebounding rods (1041) are fixedly connected between every two adjacent stirring blades (104), and a plurality of liquor passing holes are formed in the surface of each stirring blade (104);
a limiting block (105) is fixedly arranged on one side, far away from the rotating motor (102), in the acid liquor tank (1);
the limiting block (105) is a bearing type limiting block, an inner ring and an outer ring of the limiting block (105) are rotationally connected through a ball, and the inner ring of the limiting block (105) is fixedly connected with the end part of the stirring rod (103);
the bottom of the acid liquor tank (1) is communicated with a flow control pipeline (106), a valve (107) is arranged on the flow control pipeline, and an acid injection pipe (3) is arranged at the bottom of the flow control pipeline (106);
an acid liquor output system and an acid liquor recovery system are also arranged in the acid injection pipe (3);
the acid liquor recovery system comprises a recovery tank (303) arranged on the inner wall of an acid injection pipe (3), a water pump is arranged in the recovery tank (303), a liquid inlet of the water pump is communicated with a recovery pipe (304), the other end of the recovery pipe (304) is communicated with a recovery hose (305), a liquid outlet of the water pump is communicated with a conduit (306), and the other end of the conduit (306) extends to the upper part of the acid liquor tank (1) and is communicated with the liquid inlet pipe;
one end of the conduit (306) far away from the acid injection pipe (3) is communicated with a vertical pipe end of an L-shaped filter pipe (3061);
the transverse pipe end of the filtering pipe (3061) is communicated with the liquid inlet pipe (101), and a filtering assembly (3062) is arranged inside the filtering pipe (3061);
filter component (3062) includes filter screen (3063), filter screen (3063) set up in the violently intraduct of filter tube (3061), and with violently manage fixed connection, set up on filter tube (3061) the lateral wall and can be confined filter residue export (3067), filter residue export (3067) are located filter screen (3063) are kept away from one side of feed liquor pipe (101), in filter tube (3061), be located filter residue export (3067) department is provided with filter residue scraper blade (3064), fixedly connected with movable rod (3065) on filter residue scraper blade (3064), movable rod (3065) with filter tube (3061) rotate and are connected.
2. Acid filling device according to claim 1, wherein the acid delivery system comprises a delivery pipe (301), one end of the delivery pipe (301) is connected to the flow control pipe (106), and the other end is connected to a delivery hose (302).
3. The acid liquor injection device as claimed in claim 1, wherein the upper wall of the filtering pipe (3061) is opened with an opening, the opening is fixedly connected with a connecting rod (3066), and the movable rod (3065) is sleeved on the connecting rod (3066) and can rotate in a direction perpendicular to the connecting rod (3066).
4. Acid liquor injection device according to claim 1, characterized in that the end of the acid injection pipe (3) remote from the acid liquor tank (1) is fixedly connected with an interface (307) for connection with an acidification device.
5. Acid injection device according to claim 1, characterized in that the acid solution tank (1), the flow control pipe (106) and the acid injection pipe (3) are made of corrosion resistant material.
6. The acid liquor injection device as claimed in claim 1, wherein a support (2) is further fixedly arranged at the bottom of the acid liquor tank (1), the support (2) comprises a first support plate and a second support plate which are arranged at two ends of the bottom of the acid liquor tank (1), and grooves matched with the tank body of the acid liquor tank (1) are formed at the tops of the first support plate and the second support plate.
7. Acid injection device according to claim 6 characterized in that the bottom of the stand (2) is provided with a self-locking universal wheel.
CN202011042781.2A 2020-09-28 2020-09-28 Acidizing of oil field oil-water well is with acidizing fluid injection device Active CN112177585B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011042781.2A CN112177585B (en) 2020-09-28 2020-09-28 Acidizing of oil field oil-water well is with acidizing fluid injection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011042781.2A CN112177585B (en) 2020-09-28 2020-09-28 Acidizing of oil field oil-water well is with acidizing fluid injection device

Publications (2)

Publication Number Publication Date
CN112177585A CN112177585A (en) 2021-01-05
CN112177585B true CN112177585B (en) 2021-09-24

Family

ID=73945346

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011042781.2A Active CN112177585B (en) 2020-09-28 2020-09-28 Acidizing of oil field oil-water well is with acidizing fluid injection device

Country Status (1)

Country Link
CN (1) CN112177585B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113027402A (en) * 2021-04-07 2021-06-25 孙淑芳 Oil well acidizing is separated stifled and is used crowded sour device
CN116335588B (en) * 2023-05-30 2023-08-15 陕西德锐石油科技工程有限公司 Foam acidolysis blocking remover for oil-water well in oil field
CN116378622B (en) * 2023-06-06 2023-08-18 西安博宏石油科技有限公司 Acid liquor injection device for acidification of oil field oil-water well

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1399142A (en) * 1971-08-02 1975-06-25 Monsanto Co Mixing process
US5626421A (en) * 1996-05-28 1997-05-06 Campbell; Craig C. Blender construction
CN206295847U (en) * 2016-12-23 2017-07-04 福建比美特环保集团有限公司 A kind of industrial material stirring mixing apparatus with scraper
CN106978988A (en) * 2017-05-29 2017-07-25 江苏省金峰石油机械制造有限公司 A kind of oil exploitation aids in conveying equipment
CN209354103U (en) * 2019-01-12 2019-09-06 西南石油大学 A kind of oil fracturing acidification acidic mixed liquid processing device
CN209670956U (en) * 2019-03-22 2019-11-22 甘肃普瑞斯石油科技有限公司 A kind of grease well acidizing acid filling pipe
CN210229735U (en) * 2019-06-06 2020-04-03 沭阳美邦科技有限公司 Acid mixer
CN210622779U (en) * 2019-10-15 2020-05-26 甘肃普瑞斯石油科技有限公司 Oil field oil-water well composite acidizing fluid injection device
CN211216245U (en) * 2019-12-13 2020-08-11 俞建龙 Continuous blending device for fracturing acidizing fluid

Also Published As

Publication number Publication date
CN112177585A (en) 2021-01-05

Similar Documents

Publication Publication Date Title
CN112177585B (en) Acidizing of oil field oil-water well is with acidizing fluid injection device
CN204253056U (en) A kind of shield machine export & import reinforcing structure
CN106437570A (en) Drilling type continuous sand blasting device
CN205154105U (en) Stifled equipment system is separated in continuous acidizing of little discharge capacity of water injection well
CN206267815U (en) Drilling type continuous sand flushing device
CN108104749A (en) Sandstone geothermal well gas lift reverse circulation sand-flushing Processes and apparatus
CN207463808U (en) A kind of contaminated site is rapidly injected repair system in situ
CN201395793Y (en) Long spiral high-pressure spraying mud injecting stirring pile-forming device
CN107813229B (en) System and method for is tested in recyclable abradant jet erosion
CN103615191B (en) Pump pressure counterflush drilling method and system
CN211144384U (en) High-pressure rotary jet drill bit for geological drilling machine
CN105178858A (en) Drilling rig for double-tube high pressure jet grouting technology
CN207905745U (en) Sandstone geothermal well gas lift reverse circulation sand-flushing equipment
CN206071508U (en) A kind of waterpower screw rod self-loopa sand-bailing equipment
CN217698768U (en) Acidizing of oil field oil-water well is with acidizing fluid injection device
CN114622874B (en) Method for removing blockage and increasing yield of coal bed gas development well injection liquid carbon dioxide
CN206309304U (en) A kind of long screw drill rod
CN203097864U (en) Complex structural well shaft oil-gas-water three-phase fluid mass-variable flow simulating device
CN105350518B (en) A kind of concrete spraying equipment
CN212656813U (en) Novel drug-adding viscosity-reducing hollow oil production pipe device
CN211370367U (en) Neutral acidizing plug removal device for water injection well
CN114059974A (en) Sand prevention method, device and experimental method for sea area hydrate reservoir radial well composite liquid-solid phase change material
CN108843274B (en) Hydraulic jet self-rotating scraper bit and carbon dioxide injection well blockage removal process
CN208717929U (en) A kind of foundation pit construction water circulation utilization system
CN111271013A (en) Device for measuring horizontal well section rock debris removing effect

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant