CN116335588B - Foam acidolysis blocking remover for oil-water well in oil field - Google Patents
Foam acidolysis blocking remover for oil-water well in oil field Download PDFInfo
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- CN116335588B CN116335588B CN202310624798.6A CN202310624798A CN116335588B CN 116335588 B CN116335588 B CN 116335588B CN 202310624798 A CN202310624798 A CN 202310624798A CN 116335588 B CN116335588 B CN 116335588B
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- frame
- rod
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- 239000006260 foam Substances 0.000 title claims abstract description 39
- 230000000903 blocking effect Effects 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 72
- 239000002253 acid Substances 0.000 claims abstract description 35
- 238000001125 extrusion Methods 0.000 claims description 71
- 239000003129 oil well Substances 0.000 claims description 26
- 229910003460 diamond Inorganic materials 0.000 claims description 24
- 239000010432 diamond Substances 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims 4
- 238000005187 foaming Methods 0.000 abstract description 7
- 238000004090 dissolution Methods 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000020477 pH reduction Effects 0.000 abstract description 2
- 239000012466 permeate Substances 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 4
- 239000004088 foaming agent Substances 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 4
- 230000005764 inhibitory process Effects 0.000 description 2
- 239000004927 clay Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/06—Methods or apparatus for cleaning boreholes or wells using chemical means for preventing or limiting, e.g. eliminating, the deposition of paraffins or like substances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/235—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids for making foam
- B01F23/2351—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids for making foam using driven stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
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- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention relates to an oilfield blocking remover, in particular to an oilfield oil-water well foam acidification blocking remover. The invention aims to provide an oilfield oil-water well foamization blocking remover capable of maintaining foamy acid in a foaming state for corrosion. The invention provides a foam acidolysis blocking remover for an oil-water well in an oil field, which comprises a first sleeve, a second sleeve, a charging sleeve and a connecting block, wherein the connecting block is connected between the inner sides of the first sleeve and the second sleeve, the charging sleeve is connected to the bottom of the second sleeve, the foam acidolysis blocking remover also comprises a rotating ring and a rotating ring, the rotating ring is rotatably connected between the first sleeve and the second sleeve, and the bottom of the second sleeve is rotatably connected with two rotating rings. According to the invention, after the foam acid raw material is added, the motor can drive the first stirring rod to rotate, so that the first stirring rod continuously stirs the foam acid, the foam acid is always in a foaming state, the blockage is not easy to permeate during dissolution, the dissolution time is long, and the realized dissolution effect is better.
Description
Technical Field
The invention relates to an oilfield blocking remover, in particular to an oilfield oil-water well foam acidification blocking remover.
Background
Petroleum is an extremely important non-renewable chemical energy source, has important influence on economy and safety of China, is mainly mined by using oil wells in oil fields, and is often blocked due to reasons such as slurry particle blocking, clay expansion, secondary mineral precipitation and the like when the oil wells are mined, so that the oil wells are often blocked, and the oil wells are required to be unblocked.
At present, when the oil well is subjected to plugging removal treatment, foamed acid is often added into the oil well, so that the foamed acid reacts with plugs in the oil well to dissolve various plugs, and the plugs are removed.
Disclosure of Invention
In view of the above, the invention provides an oilfield oil-water well foamization plug removing device capable of maintaining foamy acid in a foaming state for corrosion.
The technical proposal is as follows: the utility model provides an oil field oil water well foam acidolysis blocking remover, including first sleeve, the second sleeve, charge sleeve and connecting block, be connected with the connecting block between first sleeve and the second sleeve inboard, with first sleeve and second telescopic joint through the connecting block, second sleeve bottom is connected with the charge sleeve, be used for splendid attire foam acid in the charge sleeve, still including the swivel, first puddler, extrusion subassembly, the subassembly of unloading, drive assembly and rotatory opening subassembly, the swivelling joint has the swivel between first sleeve and the second sleeve, second sleeve bottom swivelling joint has two swivel, two swivel bottoms all are connected with two first puddlers, first puddler embeds the heater strip, be equipped with extrusion subassembly in the second sleeve, be used for extruding foam acid, charge sleeve bottom is equipped with the subassembly of unloading that is used for unloading foam acid, install the drive assembly that is used for driving first puddler operation in the first sleeve, be equipped with the rotatory opening subassembly that is used for controlling the subassembly of unloading to open on the extrusion piston.
In one embodiment, the extrusion assembly comprises a cylinder and an extrusion piston, two cylinders are arranged at the lower part of the second sleeve, telescopic rods of the two cylinders are positioned in the charging sleeve, the extrusion piston is connected between the telescopic rods of the two cylinders in a rotating mode and is in sliding sealing with the first stirring rod, the extrusion piston can move in the charging sleeve, and the extrusion piston is used for extruding foam acid in the charging sleeve.
In one embodiment, the discharging assembly comprises a rotating plate, a fixed blanking plate, a rotating block, a protecting cover and a first elastic piece, wherein the bottom of a charging sleeve is connected with the fixed blanking plate, the rotating block is connected to the fixed blanking plate in a rotating mode, the rotating plate is connected to the rotating block, blanking grooves are uniformly arranged on the rotating plate and the fixed blanking plate at intervals, the fixed blanking plate and the blanking grooves on the rotating plate are arranged in a staggered mode, the protecting cover is connected to the middle of the bottom of the fixed blanking plate, the lower portion of the rotating block is located in the protecting cover, and the first elastic piece is connected between the rotating block and the protecting cover.
In one embodiment, the driving assembly comprises a motor, a diamond rod and an inner diamond sleeve, the motor is installed in the first sleeve, the diamond rod is connected to an output shaft of the motor, the inner diamond sleeve is connected to the diamond rod in a sliding mode, the inner diamond sleeve is connected with the extrusion piston, and the inner diamond sleeve is sealed with the second sleeve in a sliding mode.
In one embodiment, the rotary opening assembly comprises a bearing, a sealing ring, an extrusion rod, a lug and an air spring, the bearing is embedded in the middle of the extrusion piston, the sealing ring is connected in the bearing, the extrusion rod is connected in the sealing ring in a sliding mode, the lug is connected to the bottom of the extrusion rod, the extrusion rod is in sliding fit with the rotating block, a chute which is in arc-shaped arrangement is arranged at the top of the rotating block, the lug is in contact with the chute, the lug moves downwards and can rotate through the chute to extrude the rotating block, and the air spring is connected between the extrusion rod and the extrusion piston.
In one embodiment, the stirring assembly comprises a stirring frame, a second stirring rod, a gear ring and a transmission gear, wherein the stirring frame is connected to the swivel, the second stirring rod is connected to the lower portion of the stirring frame at uniform intervals, the gear ring is connected to the inner ring of the swivel, the transmission gear is connected to the output shaft of the motor and the inside of the first sleeve, and the motor can drive the swivel to rotate through the gear ring and the transmission gear.
In one embodiment, the clamping assembly comprises a locking frame, second elastic pieces, extrusion frames and sliding frames, wherein the locking frame is connected to the first sleeve in a sliding mode at uniform intervals along the circumferential direction, at least one second elastic piece is connected between the locking frame and the first sleeve, the sliding frames are connected to the second sleeve in a sliding mode, the sliding frames are connected with the inner diamond-shaped sleeves, the top of each sliding frame is connected with the extrusion frames with the same quantity as the locking frames at uniform intervals along the circumferential direction, and the extrusion frames can extrude the locking frames to move when moving.
In one embodiment, the stirring device further comprises a blocking net, wherein the blocking net is connected to the lower part of the stirring frame and used for blocking stirred plugs.
In one embodiment, the stirring device further comprises a vibration frame, and the bottom of the stirring frame is connected with the vibration frame.
Compared with the prior art, the invention has the following advantages: 1. according to the invention, after the foam acid raw material is added, the motor can drive the first stirring rod to rotate, so that the first stirring rod continuously stirs the foam acid, the foam acid is always in a foaming state, the blockage is not easy to permeate during dissolution, the dissolution time is long, and the realized dissolution effect is better.
2. After the invention is put into the oil well, the motor can drive the second stirring rod and the stirring frame to stir the blocking object in the oil well when being started, so that the blocking object is loosened, and the blocking object is better dissolved and unblocked.
3. After the device is placed in an oil well, the locking frame can be extruded through the extrusion frame, so that the locking frame expands outwards to prop against the inner wall of the oil well, and the device is fixed in the oil well.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a schematic structural view of the second sleeve, the charging sleeve, the discharging assembly and other parts of the present invention.
Figure 4 is a cross-sectional view of a discharge assembly of the present invention.
FIG. 5 is a schematic view of the components of the drive assembly, the rotating ring, the first stirring rod, and the like of the present invention.
Fig. 6 is a schematic structural view of the rotary opening assembly of the present invention.
Fig. 7 is a schematic view of the structure of the rotary opening assembly and the driving assembly of the present invention.
Fig. 8 is a schematic view of the structure of the rotary opening assembly and the discharge assembly of the present invention.
Fig. 9 is a schematic view showing the structure of the extrusion rod, the bump and the rotating block according to the present invention.
Fig. 10 is a schematic view of a first construction of the agitating assembly of the present invention.
Fig. 11 is a schematic view of a second construction of the agitating assembly of the present invention.
Fig. 12 is a schematic view of a first construction of the chucking assembly of the present invention.
Fig. 13 is a schematic view of a second construction of the chucking assembly of the present invention.
Fig. 14 is a schematic structural view of the components of the agitating frame, the blocking net, the vibration frame and the like of the present invention.
Reference numerals: 1_first sleeve, 2_second sleeve, 3_charging sleeve, 4_swivel, 5_connecting block, 61_cylinder, 62_squeeze piston, 71_swivel, 72_stationary blanking plate, 73_block, 74_boot, 75_first spring, 81_motor, 82_diamond, 83_inner diamond sleeve, 84_swivel, 85_first stirring rod, 91_bearing, 92_sealing ring, 93_squeeze rod, 94_bump, 95_air spring, 101_stirring rack, 102_second stirring rod, 103_ring gear, 104_drive gear, 111_locking rack, 112_second spring, 113_squeeze rack, 114_slide rack, 12_blocking net, 13_vibration rack.
Detailed Description
The invention will be further described with reference to specific examples, illustrative examples and illustrations of which are provided herein to illustrate the invention, but are not to be construed as limiting the invention.
Example 1
The utility model provides an oil field oil water well foam acidolysis blocking remover, as shown in fig. 1-9, including first sleeve 1, second sleeve 2, loading sleeve 3, swivel 4, connecting block 5, swivel 84, first stirring rod 85, extrusion subassembly, the subassembly of unloading, actuating assembly and rotatory opening subassembly, be connected with connecting block 5 between first sleeve 1 and the inboard of second sleeve 2, with first sleeve 1 and second sleeve 2 are connected through connecting block 5, second sleeve 2 bottom is connected with loading sleeve 3, be used for splendid attire foam acid in the loading sleeve 3, loading sleeve 3 upper portion both sides are provided with a feed end and an end of giving vent to anger, the feed end is used for adding the acidizing fluid, add gaseous foaming agent and foam stabilizer, the end of giving vent to anger is used for supplying the discharge of gas, the swivel 4 is connected with first sleeve 1 and second sleeve 2 rotation sealing connection, two swivel 84 are connected with to second sleeve 2 bottom rotation, two swivel 84 sizes are different, two swivel 84 rotation ends are connected with first stirring rod 85, two first stirring rod 85 are equipped with the first stirring rod is equipped with, the operation is equipped with the first stirring rod 85 for the first stirring rod is equipped with in the first stirring rod 2, the extrusion subassembly is used for setting up the first stirring rod is used for the extrusion subassembly, the first stirring rod is equipped with the first stirring rod 85, the operation is used for setting up the first stirring rod is used for setting up the bottom stirring rod 85, and is used for setting up the first stirring assembly for the material.
As shown in fig. 2, the extrusion assembly comprises an air cylinder 61 and an extrusion piston 62, two air cylinders 61 are installed at the lower part of the second sleeve 2, telescopic rods of the two air cylinders 61 are located in the charging sleeve 3, the extrusion piston 62 is rotatably connected between telescopic rods of the two air cylinders 61, the extrusion piston 62 is in sliding sealing with the first stirring rod 85, and the extrusion piston 62 can slide and rotate in the charging sleeve 3, so that the extrusion piston 62 can extrude the foam acid in the charging sleeve 3 through movement.
As shown in fig. 2-4, the discharging assembly comprises a rotating plate 71, a fixed blanking plate 72, a rotating block 73, a protecting cover 74 and a first elastic member 75, wherein the bottom of the charging sleeve 3 is in an open arrangement, the bottom of the charging sleeve 3 is connected with the fixed blanking plate 72, the rotating block 73 is connected to the fixed blanking plate 72 in a rotating manner, the rotating plate 71 is positioned above the fixed blanking plate 72, the rotating plate 71 and the fixed blanking plate 72 are uniformly provided with blanking grooves at intervals, the fixed blanking plate 72 and the blanking grooves on the rotating plate 71 are arranged in a staggered manner, the rotating plate 71 can rotate to enable the upper blanking grooves to overlap with the blanking grooves on the fixed blanking plate 72, so that foam acid in the charging sleeve 3 falls, the protecting cover 74 is connected to the middle of the bottom of the fixed blanking plate 72, the lower portion of the rotating block 73 is positioned in the protecting cover 74, the first elastic member 75 is connected between the rotating block 73 and the protecting cover 74, and the first elastic member 75 is a torsion spring.
As shown in fig. 5, the driving assembly comprises a motor 81, a diamond rod 82 and an inner diamond sleeve 83, wherein the motor 81 is installed in the first sleeve 1, the diamond rod 82 is connected to an output shaft of the motor 81, the diamond rod 82 is connected with the inner diamond sleeve 83 in a sliding manner, the bottom end of the inner diamond sleeve 83 is connected with the middle of the top of the extruding piston 62, and the inner diamond sleeve 83 is sealed with the second sleeve 2 in a sliding manner.
As shown in fig. 6-9, the rotary opening assembly comprises a bearing 91, a sealing ring 92, a pressing rod 93, a protruding block 94 and an air spring 95, wherein the bearing 91 is embedded in the middle of the pressing piston 62, the sealing ring 92 is connected in the bearing 91, the pressing rod 93 is connected in the sealing ring 92 in a sliding manner, the protruding block 94 is connected at the bottom of the pressing rod 93, the pressing rod 93 is in sliding fit with the rotating block 73, a chute which is arranged in an arc shape is arranged at the top of the rotating block 73, the protruding block 94 is in contact with the chute, the protruding block 94 moves downwards and can rotate through the chute pressing rotating block 73, and the air spring 95 is connected between the pressing rod 93 and the pressing piston 62.
When the blockage in the oil-water well of the oil field is required to be removed, the device can be used, before the device is used, acid liquor, gas foaming agent and foam stabilizer are sequentially added into the charging sleeve 3 from the feeding end of the charging sleeve 3, the acid liquor, the gas foaming agent and the foam stabilizer react and are mixed into foam acid in the charging sleeve 3, then the device is placed into the oil well to be removed, meanwhile, the acid liquor, the gas foaming agent and the foam stabilizer are mixed in the charging sleeve 3, at the moment, the motor 81 can be started to drive the diamond rod 82 to rotate, so that the extrusion piston 62 is driven to rotate, the rotating ring 84 can play a guiding role when the first stirring rod 85 rotates, the first stirring rod 85 can stir the foam acid when rotating, so that the foam acid is always in a foaming state, avoiding the gas-liquid separation in the foam acid caused by long-time standing, simultaneously starting the electric heating wire in the first stirring rod 85, so that the temperature of the first stirring rod 85 is maintained at 45-65 degrees, thereby raising and maintaining the temperature of the foam acid at 45-65 degrees, controlling the extension rod of the air cylinder 61 to extend and drive the extrusion piston 62 to move downwards, when the extrusion piston 62 moves downwards, firstly driving the extrusion rod 93 to move downwards, the extrusion rod 93 moves downwards to drive the lug 94 to move downwards, when the lug 94 moves downwards, the chute can be extruded, thereby driving the rotating block 73 to rotate, the rotating block 73 rotates to drive the rotating plate 71 to rotate, the first elastic piece 75 is compressed until the blanking groove on the rotating plate 71 overlaps with the blanking groove on the fixed blanking plate 72, at the moment, the extrusion rod 93 also moves downwards to the limit, the extrusion piston 62 continues to move downwards, so that the air spring 95 is compressed, meanwhile, the foamed acid in the charging sleeve 3 can be extruded into the oil well through the blanking groove, so that the foamed acid reacts with the plug in the oil well to erode the plug in the oil well, the device can be used for adding the foamed acid to the oil well to perform blocking removal treatment, and the foamed acid can be always in a foaming state when reacting into the foamed acid, so that the flowing speed of the foamed acid in the foaming state can be slowed down when the plug is dissolved, the corrosion inhibition time is prolonged, and the corrosion inhibition effect is better.
Example two
On the basis of the first embodiment, as shown in fig. 10 and 11, the stirring assembly further comprises a stirring assembly, the stirring assembly comprises a stirring frame 101, a second stirring rod 102, a gear ring 103 and a transmission gear 104, the stirring frame 101 is connected to the swivel 4, the lower part of the stirring frame 101 is arranged below the charging sleeve 3, the second stirring rod 102 is uniformly and alternately connected to the lower part of the stirring frame 101, the gear ring 103 is connected to the inner ring of the swivel 4, the transmission gears 104 are connected to the output shaft of the motor 81 and the inside of the first sleeve 1, the transmission gear 104 in the first sleeve 1 is meshed with the gear ring 103, the transmission gear 104 in the first sleeve 1 is rotatably connected with the first sleeve 1, and the two transmission gears 104 are meshed with each other.
After the device is put into an oil well, the motor 81 can drive the gear ring 103 to rotate through the transmission gear 104 in the starting process, the gear ring 103 can drive the stirring frame 101 to rotate, and the stirring frame 101 can drive the second stirring rod 102 to rotate, so that the stirring frame 101 and the second stirring rod 102 can stir a blockage in the oil well, and the blockage can be dredged in an auxiliary manner.
As shown in fig. 12 and 13, the device further comprises a clamping assembly, the clamping assembly comprises a locking frame 111, second elastic pieces 112, an extrusion frame 113 and a sliding frame 114, the first sleeve 1 is connected with the locking frame 111 in a sliding mode along the circumferential direction at uniform intervals, two second elastic pieces 112 are connected between the locking frame 111 and the first sleeve 1, the sliding frame 114 is connected with the sliding frame 114 in the second sleeve 2, the sliding frame 114 is connected with the inner diamond-shaped sleeve 83, the top of the sliding frame 114 is connected with the extrusion frames 113 along the circumferential direction at uniform intervals, the number of the extrusion frames 113 is consistent with that of the locking frames 111, inclined positions of the extrusion frames 113 are arranged on the extrusion frames 113, the inclined positions of the extrusion frames 113 are contacted with the locking frames 111, the extrusion frames 113 can extrude the locking frames 111 through the inclined positions of the extrusion frames 111 when moving, and the locking frames 111 can abut against the inner wall of an oil well after moving and are used for fixing the device in the oil well.
After the device is put into an oil well, the extrusion piston 62 moves downwards to drive the inner diamond-shaped sleeve 83 to move downwards, the inner diamond-shaped sleeve 83 moves downwards to drive the sliding frame 114 to move downwards, the sliding frame 114 moves downwards to drive the extrusion frame 113 to move downwards, the extrusion frame 113 moves downwards to extrude the locking frame 111 to move outwards through the inclined part of the extrusion frame, the second elastic piece 112 is compressed, and the locking frame 111 can prop against the wall of the oil well after moving outwards, so that the device is fixed in the oil well, the device can be firmly fixed in an oil-water well, and the device is prevented from colliding with the inner wall of the oil-water well.
As shown in fig. 14, the stirring rack 101 further comprises a blocking net 12, the lower part of the stirring rack 101 is connected with the blocking net 12, the blocking net 12 is used for blocking stirred plugs, so that the plugs are clamped at the blocking net 12, and when the device is pulled out, the blocking net 12 can bring the plugs out, so that the plugs are prevented from being blocked again after falling.
As shown in fig. 14, the stirring device further comprises a vibration frame 13, the bottom of the stirring frame 101 is connected with the vibration frame 13, when the stirring frame 101 rotates, the vibration frame 13 rotates along with the stirring frame, and the rotation of the vibration frame 13 can vibrate the massive plugs, so that the plugs are looser and are favorable for corrosion.
The embodiments described above are intended to provide those skilled in the art with a full range of modifications and variations to the embodiments described above without departing from the inventive concept thereof, and therefore the scope of the invention is not limited by the embodiments described above, but is to be accorded the broadest scope consistent with the innovative features recited in the claims.
Claims (4)
1. The utility model provides an oil field oil water well foam acidolysis blocking remover, including first sleeve (1), second sleeve (2), charging sleeve (3) and connecting block (5), be connected with connecting block (5) between first sleeve (1) and the second sleeve (2) inboard, with first sleeve (1) and second sleeve (2) are connected through connecting block (5), second sleeve (2) bottom is connected with charging sleeve (3), be used for splendid attire foam acid in charging sleeve (3), characterized by, still including swivel (4) in rotating ring (84), first stirring rod (85), extrusion subassembly, discharge subassembly, actuating assembly and rotatory opening subassembly, be connected with swivel (4) between first sleeve (1) and the second sleeve (2) in the rotation, second sleeve (2) bottom rotation is connected with two rotating ring (84), two first stirring rod (85) are connected with in the bottom of two rotating ring (84), first stirring rod (85) embedded heater wire, be equipped with foam subassembly in second sleeve (2) for with foam acid extrusion subassembly, be used for discharging subassembly, be equipped with the operation of first stirring rod (85) for discharging foam acid extrusion subassembly, be used for installing first stirring rod (1) in the operation of discharging subassembly, the extruding piston (62) is provided with a rotary opening assembly for controlling the opening of the discharging assembly; the extrusion assembly comprises an air cylinder (61) and an extrusion piston (62), two air cylinders (61) are arranged at the lower part of the second sleeve (2), telescopic rods of the two air cylinders (61) are positioned in the charging sleeve (3), the extrusion piston (62) is rotationally connected between the telescopic rods of the two air cylinders (61), the extrusion piston (62) is in sliding seal with the first stirring rod (85), the extrusion piston (62) can move in the charging sleeve (3), and the extrusion piston (62) is used for extruding foam acid in the charging sleeve (3);
the discharging assembly comprises a rotating plate (71), a fixed blanking plate (72), a rotating block (73), a protective cover (74) and a first elastic piece (75), wherein the bottom of a charging sleeve (3) is connected with the fixed blanking plate (72), the rotating block (73) is rotationally connected to the fixed blanking plate (72), the rotating plate (71) is connected to the rotating block (73), blanking grooves are uniformly arranged on the rotating plate (71) and the fixed blanking plate (72) at intervals, the blanking grooves on the fixed blanking plate (72) and the rotating plate (71) are arranged in a staggered mode, the protective cover (74) is connected to the middle of the bottom of the fixed blanking plate (72), the lower portion of the rotating block (73) is located in the protective cover (74), and the first elastic piece (75) is connected between the rotating block (73) and the protective cover (74);
the driving assembly comprises a motor (81), a diamond rod (82) and an inner diamond sleeve (83), wherein the motor (81) is arranged in the first sleeve (1), the diamond rod (82) is connected to an output shaft of the motor (81), the inner diamond sleeve (83) is connected to the diamond rod (82) in a sliding mode, the inner diamond sleeve (83) is connected with the extrusion piston (62), and the inner diamond sleeve (83) is sealed with the second sleeve (2) in a sliding mode;
the rotary opening assembly comprises a bearing (91), a sealing ring (92), an extrusion rod (93), a lug (94) and an air spring (95), wherein the bearing (91) is embedded in the middle of the extrusion piston (62), the sealing ring (92) is connected in the bearing (91), the extrusion rod (93) is connected in the sealing ring (92) in a sliding manner, the lug (94) is connected at the bottom of the extrusion rod (93), the extrusion rod (93) is in sliding fit with the rotating block (73), a chute which is in arc-shaped arrangement is arranged at the top of the rotating block (73), the lug (94) is in contact with the chute, the lug (94) moves downwards and can rotate through the chute to extrude the rotating block (73), and the air spring (95) is connected between the extrusion rod (93) and the extrusion piston (62);
the device comprises a clamping assembly, and is characterized by further comprising a locking frame (111), second elastic pieces (112), an extrusion frame (113) and a sliding frame (114), wherein the first sleeve (1) is connected with the locking frame (111) in a sliding mode at uniform intervals along the circumferential direction, at least one second elastic piece (112) is connected between the locking frame (111) and the first sleeve (1), the sliding frame (114) is connected in the second sleeve (2), the sliding frame (114) is connected with the inner diamond-shaped sleeve (83), the top of the sliding frame (114) is connected with the extrusion frames (113) with the same quantity as the locking frames (111) at uniform intervals along the circumferential direction, the inclination of the extrusion frames (113) is in contact with the locking frames (111), and the extrusion frames (113) can move through the extrusion locking frames (111) at the inclination positions thereof when moving, so that the locking frames (111) can abut against the inner wall of an oil well after moving and are used for fixing the device in the oil well.
2. The oilfield oil-water well foam acidolysis blocking remover according to claim 1, further comprising an agitating assembly, wherein the agitating assembly comprises an agitating frame (101), a second agitating rod (102), a gear ring (103) and a transmission gear (104), the agitating frame (101) is connected to the rotating ring (4), the second agitating rod (102) is connected to the lower part of the agitating frame (101) at uniform intervals, the gear ring (103) is connected to the inner ring of the rotating ring (4), the transmission gear (104) is connected to the output shaft of the motor (81) and the inside of the first sleeve (1), and the motor (81) can drive the rotating ring (4) to rotate through the gear ring (103) and the transmission gear (104).
3. The foam acidolysis blocking remover for the oil-water well in the oil field according to claim 2, further comprising a blocking net (12), wherein the blocking net (12) is connected to the lower part of the stirring frame (101), and the blocking net (12) is used for blocking stirred plugs.
4. The foam acidolysis blocking remover for the oil-water well in the oil field according to claim 2 is characterized by further comprising a vibration frame (13), wherein the bottom of the stirring frame (101) is connected with the vibration frame (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310624798.6A CN116335588B (en) | 2023-05-30 | 2023-05-30 | Foam acidolysis blocking remover for oil-water well in oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN116335588A (en) | 2023-06-27 |
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