CN113153187B - Drilling circulation sand pumping device with spiral sand discharging structure - Google Patents
Drilling circulation sand pumping device with spiral sand discharging structure Download PDFInfo
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- CN113153187B CN113153187B CN202110427228.9A CN202110427228A CN113153187B CN 113153187 B CN113153187 B CN 113153187B CN 202110427228 A CN202110427228 A CN 202110427228A CN 113153187 B CN113153187 B CN 113153187B
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- sand
- spiral
- pipe
- sand discharging
- discharging structure
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- 239000004576 sand Substances 0.000 title claims abstract description 294
- 238000007599 discharging Methods 0.000 title claims abstract description 206
- 238000005086 pumping Methods 0.000 title claims abstract description 25
- 238000005553 drilling Methods 0.000 title claims abstract description 20
- 238000005406 washing Methods 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims description 88
- 238000003860 storage Methods 0.000 claims description 50
- 238000010168 coupling process Methods 0.000 claims description 41
- 238000005859 coupling reaction Methods 0.000 claims description 41
- 230000008878 coupling Effects 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 8
- 239000003208 petroleum Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000007787 solid Substances 0.000 description 10
- 238000000926 separation method Methods 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 238000011010 flushing procedure Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/065—Separating solids from drilling fluids
Abstract
The invention relates to the technical field of petroleum development, and particularly discloses a drilling circulation sand pumping device with a spiral sand discharging structure, which comprises a sand washing pipe, a central pipe, a connecting flange, a sand discharging pipe, a spiral sand discharging structure, a drain pipe, a sand discharging pipe, a circulating pump and a return pipe.
Description
Technical Field
The invention relates to the technical field of petroleum development, in particular to a drilling circulation sand pumping device with a spiral sand discharging structure.
Background
In the middle and later stages of exploitation of each large oil field in China, sand production of the oil well is a serious problem, and crude oil yield of the oil well is directly affected, so that accumulated sand in the oil well is flushed to the ground by adopting a hydraulic flushing mode in each oil field, fine powder sand in liquid is difficult to filter in existing flushing equipment, and the fine powder sand is easy to reinject into the well, so that the efficiency of sand flushing operation is reduced.
Therefore, the existing sand pumping equipment is difficult to realize continuous cleaning operation, has poor cleaning effect and high operation intensity, and wastes water resources.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a drilling circulation sand pumping device with a spiral sand discharging structure.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the drilling circulation sand pumping device comprises a sand washing pipe, a central pipe, a connecting flange, a sand outlet pipe, a spiral sand discharging structure, a drain pipe, a sand discharging pipe, a circulating pump and a return pipe, wherein the sand washing pipe is fixedly connected with a sleeve pipe, the central pipe is fixedly connected with a round drill rod, the top of the central pipe is fixedly connected with the connecting flange, the side edge of the sand washing pipe is opened and fixedly connected with the sand outlet pipe, the other end of the sand outlet pipe is communicated with the spiral sand discharging structure, the upper opening of the spiral sand discharging structure is communicated with the sand discharging pipe, the lower opening of the spiral sand discharging structure is communicated with the drain pipe, one end of the circulating pump is connected with the drain pipe, the other end of the circulating pump is connected with the return pipe, and the other end of the return pipe is fixedly connected with the connecting flange;
the spiral sand discharging structure comprises a sand discharging structure shell, a spiral impeller, a driving motor and a liquid storage bin, wherein the sand discharging structure shell is of a hollow columnar structure, one side of cylindrical surface is fixedly connected with the liquid storage bin, a plurality of liquid leakage holes which are arranged in an array are formed in the connecting side of the sand discharging structure, the sand discharging structure is communicated with the liquid storage bin through the liquid leakage holes, the lower portion of the liquid storage bin is opened and communicated with the drain pipe, the driving motor and the spiral impeller are arranged inside the sand discharging structure shell, and the spiral impeller is tightly attached to the inner wall of the sand discharging structure shell and driven to rotate by the driving motor.
Preferably, the sand discharging structure shell and the middle shaft of the spiral impeller are obliquely arranged, and the liquid storage bin is of a hollow structure and is fixedly connected with the sand discharging structure shell.
Preferably, the spiral impeller comprises a rotating shaft and spiral blades, the spiral blades are of spiral structures which take the rotating shaft as a central shaft and rotate upwards, a plurality of spiral blades are fixedly connected with the rotating shaft, and grid baffles are arranged on the spiral blades at intervals.
Preferably, a plurality of hollow blade seepage holes are further formed between every two grid baffles on the spiral blade.
Preferably, a valve is arranged at the outlet of the sand discharge pipe, the driving motor is connected with the rotating shaft through a coupler, and a supporting spring is arranged at the bottom of the rotating shaft.
Preferably, the shaft coupling comprises a motor coupling, a connecting shaft snap ring and a rotating shaft coupling which are coaxially arranged, wherein the upper end of the motor coupling is fixedly connected with the driving motor, the lower end of the motor coupling is fixedly connected with the connecting shaft snap ring, the lower end of the rotating shaft coupling is fixedly connected with the rotating shaft, the center of the upper end of the rotating shaft coupling is inwards sunken to form a snap ring groove, and the snap ring groove is matched with the connecting shaft snap ring.
Preferably, the connecting shaft snap ring comprises a retainer, tooth blocks and rollers, wherein a plurality of rollers are distributed along the circumference of the retainer and are rotationally connected with the retainer, the tooth blocks are of wedge-shaped structures and are symmetrically arranged on two sides of a rotating shaft of the rollers, tooth grooves are formed in the snap ring grooves along the circumference of the inner wall, and the tooth grooves are matched with the tooth blocks and the rollers.
Preferably, the inner wall of the upper part of the sand discharging structure shell protrudes inwards to form an independent excluder bin, and the driving motor is fixed in the excluder bin.
Compared with the prior art, the invention has the following advantages:
according to the device, mixed fluid is lifted by the spiral impeller, liquid flows out through the liquid leakage hole formed in the side wall in the lifting process, solid residues continuously rise until the top of the device is discharged through the sand discharge pipe, solid-liquid separation can be carried out sufficiently, so that mud returned at the bottom of the well is subjected to sufficient separation operation, continuous sand pumping operation is realized through the circulating pump and the back flow reinjection, the cost of sand cleaning operation is reduced, the operation intensity is lightened, the sand cleaning process is simplified, the pumped sand-containing mixed liquid can be filtered, the circulating sand washing and sand pumping operation are carried out simultaneously, and water resources are saved.
Through setting up sand discharge structure shell and screw impeller slope, can guarantee that mixed fluid can be smooth through weeping hole outflow and collect in the stock solution storehouse at the in-process of lifting, the space has been utilized effectively in the setting of slope simultaneously, has reduced the area that equipment occupy.
Through setting up a plurality of screw impeller, can break up the caking of large tracts of land, form the structure of fritter, be convenient for follow-up lifting operation, and multi-disc screw impeller has increased work efficiency, and the setting of check baffle can increase the detention ability of solid, can not the landing down, and the check baffle has also played the effect of stirring simultaneously and has made solid-liquid separation more convenient.
The cooperation setting of weeping hole and check baffle can effectually make the solid-liquid mixture fluid between the check baffle separate downwards and collect for the upper portion solid-liquid separation of sand discharge structure is more abundant.
When the sand discharge is needed to be stopped, the sand discharge operation can be stopped by closing the valve, meanwhile, the spring is arranged at the bottom of the rotating shaft, and when solid substances excessively cause siltation to block the sand discharge port, the spring is arranged at the bottom of the rotating shaft, the motor and the rotating shaft are connected through the coupling, so that the motor and the rotating shaft can be automatically separated when the internal pressure is excessively high, and the operation safety is ensured.
The function of the connecting shaft snap ring is equivalent to that of a gear with guiding property, and the rotating shaft and the driving motor can be in butt joint operation in the rotating process of the driving motor.
The advantage of isolating the driving motor alone is that corrosive liquid can be prevented from contacting the driving motor to influence the service life of the driving motor, and solid particles can be isolated, so that the abrasion of the solid particles to the driving motor is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a top view of a screw impeller;
FIG. 3 is a schematic illustration of a variable speed coupling configuration;
in the figure: the sand washing device comprises a sand washing pipe, a 2-central pipe, a 3-connecting flange, a 4-sand outlet pipe, a 5-sand discharging structure shell, a 51-liquid leakage hole, a 52-isolation bin, a 6-spiral impeller, a 61-rotating shaft, 62-spiral blades, 63-blade seepage holes, a 64-grid baffle, a 7-driving motor, an 8-liquid storage bin, a 9-sand discharging pipe, a 10-drain pipe, an 11-circulating pump, a 12-return pipe, a 13-coupling, a 131-motor coupling, a 132-connecting shaft clamping ring, a 132 a-roller, a 132 b-tooth block, a 132 c-retainer, a 133-rotating shaft coupling, a 133 a-tooth groove, a 133 b-clamping ring groove and a 14-supporting spring.
Detailed Description
Various embodiments of the invention are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the invention. That is, in some embodiments of the invention, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.
Example 1
Referring to fig. 1, a drilling circulation sand pumping device with a spiral sand discharging structure comprises a sand washing pipe 1, a central pipe 2, a connecting flange 3, a sand discharging pipe 4, a spiral sand discharging structure, a drain pipe 10, a sand discharging pipe 9, a circulation pump 11 and a return pipe 12, wherein the sand washing pipe 1 is fixedly connected with a sleeve, the central pipe 2 is fixedly connected with a round drill rod, the top of the central pipe 2 is fixedly connected with the connecting flange 3, the side edge of the sand washing pipe 1 is opened and fixedly connected with the sand discharging pipe 4, the other end of the sand discharging pipe 4 is communicated with the spiral sand discharging structure, the upper opening of the spiral sand discharging structure is communicated with the sand discharging pipe 9, the lower opening of the spiral sand discharging structure is communicated with the drain pipe 10, one end of the circulation pump 11 is connected with the drain pipe 10, the other end of the circulation pump 12 is fixedly connected with the connecting flange 3.
The spiral sand discharging structure comprises a sand discharging structure shell 5, a spiral impeller 6, a driving motor 7 and a liquid storage bin 8, wherein the sand discharging structure shell 5 is of a hollow columnar structure, one side cylindrical surface is fixedly connected with the liquid storage bin 8, a plurality of liquid leakage holes 51 which are arranged in an array are formed in the connecting side cylindrical surface of the sand discharging structure, the sand discharging structure is communicated with the liquid storage bin 8 through the liquid leakage holes 51, the lower portion of the liquid storage bin 8 is opened and communicated with a drain pipe 10, the driving motor 7 and the spiral impeller 6 are arranged inside the sand discharging structure shell 5, and the spiral impeller 6 is closely attached to the inner wall of the sand discharging structure shell 5 and is driven to rotate by the driving motor 7.
According to the device, mixed fluid is lifted by the spiral impeller 6, liquid flows out through the liquid leakage hole 51 formed in the side wall in the lifting process, solid residues continuously rise to the top and are discharged through the sand discharge pipe 9, solid-liquid separation can be carried out sufficiently, so that mud returned at the bottom of the well is subjected to sufficient separation operation, continuous sand pumping operation is realized through reinjection of the circulating pump 11 and the return pipe 12, the cost of sand cleaning operation is reduced, the operation intensity is lightened, the sand cleaning process is simplified, the pumped sand-containing mixed liquid can be filtered, circulating sand flushing and sand pumping operation are simultaneously carried out, and water resources are saved.
Example two
Referring to fig. 1, a drilling circulation sand pumping device with a spiral sand discharging structure comprises a sand washing pipe 1, a central pipe 2, a connecting flange 3, a sand discharging pipe 4, a spiral sand discharging structure, a drain pipe 10, a sand discharging pipe 9, a circulation pump 11 and a return pipe 12, wherein the sand washing pipe 1 is fixedly connected with a sleeve, the central pipe 2 is fixedly connected with a round drill rod, the top of the central pipe 2 is fixedly connected with the connecting flange 3, the side edge of the sand washing pipe 1 is opened and fixedly connected with the sand discharging pipe 4, the other end of the sand discharging pipe 4 is communicated with the spiral sand discharging structure, the upper opening of the spiral sand discharging structure is communicated with the sand discharging pipe 9, the lower opening of the spiral sand discharging structure is communicated with the drain pipe 10, one end of the circulation pump 11 is connected with the drain pipe 10, the other end of the circulation pump 12 is fixedly connected with the connecting flange 3; the spiral sand discharging structure comprises a sand discharging structure shell 5, a spiral impeller 6, a driving motor 7 and a liquid storage bin 8, wherein the sand discharging structure shell 5 is of a hollow columnar structure, one side cylindrical surface is fixedly connected with the liquid storage bin 8, a plurality of liquid leakage holes 51 which are arranged in an array are formed in the connecting side cylindrical surface of the sand discharging structure, the sand discharging structure is communicated with the liquid storage bin 8 through the liquid leakage holes 51, the lower portion of the liquid storage bin 8 is opened and communicated with a drain pipe 10, the driving motor 7 and the spiral impeller 6 are arranged inside the sand discharging structure shell 5, and the spiral impeller 6 is closely attached to the inner wall of the sand discharging structure shell 5 and is driven to rotate by the driving motor 7.
The central shafts of the sand discharging structure shell 5 and the spiral impeller 6 are obliquely arranged, and the liquid storage bin 8 is of a hollow structure and is fixedly connected with the sand discharging structure shell 5.
Through setting up sand discharge structure shell 5 and spiral impeller 6 slope, can guarantee that mixed fluid can be smooth through weeping hole 51 outflow and collect in reservoir 8 at the in-process of lifting, the space has been utilized effectively in the setting of slope simultaneously, has reduced the area that equipment occupy.
Example III
Referring to fig. 1 and 2, a drilling circulation sand pumping device with a spiral sand discharging structure comprises a sand washing pipe 1, a central pipe 2, a connecting flange 3, a sand discharging pipe 4, a spiral sand discharging structure, a drain pipe 10, a sand discharging pipe 9, a circulating pump 11 and a return pipe 12, wherein the sand washing pipe 1 is fixedly connected with a sleeve, the central pipe 2 is fixedly connected with a round drill rod, the top of the central pipe 2 is fixedly connected with the connecting flange 3, the side edge of the sand washing pipe 1 is opened and fixedly connected with the sand discharging pipe 4, the other end of the sand discharging pipe 4 is communicated with the spiral sand discharging structure, the upper opening of the spiral sand discharging structure is communicated with the sand discharging pipe 9, the lower opening of the spiral sand discharging structure is communicated with the drain pipe 10, one end of the circulating pump 11 is connected with the drain pipe 10, the other end of the circulating pump 12 is connected with the return pipe 12, and the other end of the return pipe 12 is fixedly connected with the connecting flange 3; the spiral sand discharging structure comprises a sand discharging structure shell 5, a spiral impeller 6, a driving motor 7 and a liquid storage bin 8, wherein the sand discharging structure shell 5 is of a hollow columnar structure, one side cylindrical surface is fixedly connected with the liquid storage bin 8, a plurality of liquid leakage holes 51 which are arranged in an array are formed in the connecting side cylindrical surface of the sand discharging structure, the sand discharging structure is communicated with the liquid storage bin 8 through the liquid leakage holes 51, the lower portion of the liquid storage bin 8 is opened and communicated with a drain pipe 10, the driving motor 7 and the spiral impeller 6 are arranged inside the sand discharging structure shell 5, and the spiral impeller 6 is closely attached to the inner wall of the sand discharging structure shell 5 and is driven to rotate by the driving motor 7.
The central shafts of the sand discharging structure shell 5 and the spiral impeller 6 are obliquely arranged, and the liquid storage bin 8 is of a hollow structure and is fixedly connected with the sand discharging structure shell 5.
The spiral impeller 6 includes a rotating shaft 61 and spiral blades 62, the spiral blades 62 are of a spiral structure which takes the rotating shaft 61 as a central shaft and rotates upwards, a plurality of spiral blades 62 are fixedly connected with the rotating shaft 61, and grid baffles 64 are arranged on the spiral blades 62 at intervals.
Through setting up a plurality of helical impeller 6, can break up the caking of large tracts of land, form the structure of fritter, be convenient for follow-up lifting operation, and multi-disc helical impeller 6 has increased work efficiency, and the setting of check baffle 64 can increase the detention ability of solid, can not drop down, and the effect of stirring has also been played to the check baffle 64 simultaneously makes solid-liquid separation more convenient.
Example IV
Referring to fig. 1 and 2, a drilling circulation sand pumping device with a spiral sand discharging structure comprises a sand washing pipe 1, a central pipe 2, a connecting flange 3, a sand discharging pipe 4, a spiral sand discharging structure, a drain pipe 10, a sand discharging pipe 9, a circulating pump 11 and a return pipe 12, wherein the sand washing pipe 1 is fixedly connected with a sleeve, the central pipe 2 is fixedly connected with a round drill rod, the top of the central pipe 2 is fixedly connected with the connecting flange 3, the side edge of the sand washing pipe 1 is opened and fixedly connected with the sand discharging pipe 4, the other end of the sand discharging pipe 4 is communicated with the spiral sand discharging structure, the upper opening of the spiral sand discharging structure is communicated with the sand discharging pipe 9, the lower opening of the spiral sand discharging structure is communicated with the drain pipe 10, one end of the circulating pump 11 is connected with the drain pipe 10, the other end of the circulating pump 12 is connected with the return pipe 12, and the other end of the return pipe 12 is fixedly connected with the connecting flange 3; the spiral sand discharging structure comprises a sand discharging structure shell 5, a spiral impeller 6, a driving motor 7 and a liquid storage bin 8, wherein the sand discharging structure shell 5 is of a hollow columnar structure, one side cylindrical surface is fixedly connected with the liquid storage bin 8, a plurality of liquid leakage holes 51 which are arranged in an array are formed in the connecting side cylindrical surface of the sand discharging structure, the sand discharging structure is communicated with the liquid storage bin 8 through the liquid leakage holes 51, the lower portion of the liquid storage bin 8 is opened and communicated with a drain pipe 10, the driving motor 7 and the spiral impeller 6 are arranged inside the sand discharging structure shell 5, and the spiral impeller 6 is closely attached to the inner wall of the sand discharging structure shell 5 and is driven to rotate by the driving motor 7.
The central shafts of the sand discharging structure shell 5 and the spiral impeller 6 are obliquely arranged, and the liquid storage bin 8 is of a hollow structure and is fixedly connected with the sand discharging structure shell 5.
The spiral impeller 6 includes a rotating shaft 61 and spiral blades 62, the spiral blades 62 are of a spiral structure which takes the rotating shaft 61 as a central shaft and rotates upwards, a plurality of spiral blades 62 are fixedly connected with the rotating shaft 61, and grid baffles 64 are arranged on the spiral blades 62 at intervals.
A plurality of hollow blade seepage holes 63 are further formed between every two grid baffles 64 on the spiral blade 62.
The cooperation setting of weeping hole 51 and check baffle 64 can effectually make the solid-liquid mixture fluid between the check baffle 64 separate and collect downwards for the upper portion solid-liquid separation of sand discharge structure is more abundant.
Example five
Referring to fig. 1 and 2, a drilling circulation sand pumping device with a spiral sand discharging structure comprises a sand washing pipe 1, a central pipe 2, a connecting flange 3, a sand discharging pipe 4, a spiral sand discharging structure, a drain pipe 10, a sand discharging pipe 9, a circulating pump 11 and a return pipe 12, wherein the sand washing pipe 1 is fixedly connected with a sleeve, the central pipe 2 is fixedly connected with a round drill rod, the top of the central pipe 2 is fixedly connected with the connecting flange 3, the side edge of the sand washing pipe 1 is opened and fixedly connected with the sand discharging pipe 4, the other end of the sand discharging pipe 4 is communicated with the spiral sand discharging structure, the upper opening of the spiral sand discharging structure is communicated with the sand discharging pipe 9, the lower opening of the spiral sand discharging structure is communicated with the drain pipe 10, one end of the circulating pump 11 is connected with the drain pipe 10, the other end of the circulating pump 12 is connected with the return pipe 12, and the other end of the return pipe 12 is fixedly connected with the connecting flange 3; the spiral sand discharging structure comprises a sand discharging structure shell 5, a spiral impeller 6, a driving motor 7 and a liquid storage bin 8, wherein the sand discharging structure shell 5 is of a hollow columnar structure, one side cylindrical surface is fixedly connected with the liquid storage bin 8, a plurality of liquid leakage holes 51 which are arranged in an array are formed in the connecting side cylindrical surface of the sand discharging structure, the sand discharging structure is communicated with the liquid storage bin 8 through the liquid leakage holes 51, the lower portion of the liquid storage bin 8 is opened and communicated with a drain pipe 10, the driving motor 7 and the spiral impeller 6 are arranged inside the sand discharging structure shell 5, and the spiral impeller 6 is closely attached to the inner wall of the sand discharging structure shell 5 and is driven to rotate by the driving motor 7.
The central shafts of the sand discharging structure shell 5 and the spiral impeller 6 are obliquely arranged, and the liquid storage bin 8 is of a hollow structure and is fixedly connected with the sand discharging structure shell 5.
The spiral impeller 6 includes a rotating shaft 61 and spiral blades 62, the spiral blades 62 are of a spiral structure which takes the rotating shaft 61 as a central shaft and rotates upwards, a plurality of spiral blades 62 are fixedly connected with the rotating shaft 61, and grid baffles 64 are arranged on the spiral blades 62 at intervals.
A plurality of hollow blade seepage holes 63 are further formed between every two grid baffles 64 on the spiral blade 62.
The outlet of the sand discharge pipe 9 is provided with a valve, the driving motor 7 is connected with the rotating shaft 61 through a coupler 13, and the bottom of the rotating shaft 61 is provided with a supporting spring 14.
When the sand discharge operation is stopped by closing the valve, the bottom of the rotating shaft 61 is provided with a spring, and when solid substances excessively cause sedimentation to block the sand discharge port, the bottom of the rotating shaft 61 is provided with the spring, the motor is connected with the rotating shaft 61 through the coupler 13, and the motor can be automatically separated when the internal pressure is excessively high, so that the operation safety is ensured.
Example six
Referring to fig. 1, 2 and 3, a drilling circulation sand pumping device with a spiral sand discharging structure comprises a sand washing pipe 1, a central pipe 2, a connecting flange 3, a sand discharging pipe 4, a spiral sand discharging structure, a water discharging pipe 10, a sand discharging pipe 9, a circulating pump 11 and a return pipe 12, wherein the sand washing pipe 1 is fixedly connected with a sleeve, the central pipe 2 is fixedly connected with a round drill rod, the top of the central pipe 2 is fixedly connected with the connecting flange 3, the side edge of the sand washing pipe 1 is opened and fixedly connected with the sand discharging pipe 4, the other end of the sand discharging pipe 4 is communicated with the spiral sand discharging structure, the upper opening of the spiral sand discharging structure is communicated with the sand discharging pipe 9, the lower opening of the spiral sand discharging structure is communicated with the water discharging pipe 10, one end of the circulating pump 11 is connected with the water discharging pipe 10, the other end of the circulating pump is connected with the return pipe 12, and the other end of the return pipe 12 is fixedly connected with the connecting flange 3; the spiral sand discharging structure comprises a sand discharging structure shell 5, a spiral impeller 6, a driving motor 7 and a liquid storage bin 8, wherein the sand discharging structure shell 5 is of a hollow columnar structure, one side cylindrical surface is fixedly connected with the liquid storage bin 8, a plurality of liquid leakage holes 51 which are arranged in an array are formed in the connecting side cylindrical surface of the sand discharging structure, the sand discharging structure is communicated with the liquid storage bin 8 through the liquid leakage holes 51, the lower portion of the liquid storage bin 8 is opened and communicated with a drain pipe 10, the driving motor 7 and the spiral impeller 6 are arranged inside the sand discharging structure shell 5, and the spiral impeller 6 is closely attached to the inner wall of the sand discharging structure shell 5 and is driven to rotate by the driving motor 7.
The central shafts of the sand discharging structure shell 5 and the spiral impeller 6 are obliquely arranged, and the liquid storage bin 8 is of a hollow structure and is fixedly connected with the sand discharging structure shell 5.
The spiral impeller 6 includes a rotating shaft 61 and spiral blades 62, the spiral blades 62 are of a spiral structure which takes the rotating shaft 61 as a central shaft and rotates upwards, a plurality of spiral blades 62 are fixedly connected with the rotating shaft 61, and grid baffles 64 are arranged on the spiral blades 62 at intervals.
A plurality of hollow blade seepage holes 63 are further formed between every two grid baffles 64 on the spiral blade 62.
The outlet of the sand discharge pipe 9 is provided with a valve, the driving motor 7 is connected with the rotating shaft 61 through a coupler 13, and the bottom of the rotating shaft 61 is provided with a supporting spring 14.
The shaft coupling 13 comprises a motor coupling 131, a connecting shaft clamping ring 132 and a rotating shaft coupling 133 which are coaxially arranged, wherein the upper end of the motor coupling 131 is fixedly connected with the driving motor 7, the lower end of the motor coupling is fixedly connected with the connecting shaft clamping ring 132, the lower end of the rotating shaft coupling 133 is fixedly connected with the rotating shaft 61, the center of the upper end of the rotating shaft coupling is inwards sunken to form a clamping ring groove 133b, and the clamping ring groove 133b is matched with the connecting shaft clamping ring 132.
The arrangement of the coupling 13 can facilitate the contact and separation of the driving shaft of the driving motor 7 and the rotating shaft 61, and the operation safety of the equipment is improved.
Example seven
Referring to fig. 1, 2 and 3, a drilling circulation sand pumping device with a spiral sand discharging structure comprises a sand washing pipe 1, a central pipe 2, a connecting flange 3, a sand discharging pipe 4, a spiral sand discharging structure, a water discharging pipe 10, a sand discharging pipe 9, a circulating pump 11 and a return pipe 12, wherein the sand washing pipe 1 is fixedly connected with a sleeve, the central pipe 2 is fixedly connected with a round drill rod, the top of the central pipe 2 is fixedly connected with the connecting flange 3, the side edge of the sand washing pipe 1 is opened and fixedly connected with the sand discharging pipe 4, the other end of the sand discharging pipe 4 is communicated with the spiral sand discharging structure, the upper opening of the spiral sand discharging structure is communicated with the sand discharging pipe 9, the lower opening of the spiral sand discharging structure is communicated with the water discharging pipe 10, one end of the circulating pump 11 is connected with the water discharging pipe 10, the other end of the circulating pump is connected with the return pipe 12, and the other end of the return pipe 12 is fixedly connected with the connecting flange 3; the spiral sand discharging structure comprises a sand discharging structure shell 5, a spiral impeller 6, a driving motor 7 and a liquid storage bin 8, wherein the sand discharging structure shell 5 is of a hollow columnar structure, one side cylindrical surface is fixedly connected with the liquid storage bin 8, a plurality of liquid leakage holes 51 which are arranged in an array are formed in the connecting side cylindrical surface of the sand discharging structure, the sand discharging structure is communicated with the liquid storage bin 8 through the liquid leakage holes 51, the lower portion of the liquid storage bin 8 is opened and communicated with a drain pipe 10, the driving motor 7 and the spiral impeller 6 are arranged inside the sand discharging structure shell 5, and the spiral impeller 6 is closely attached to the inner wall of the sand discharging structure shell 5 and is driven to rotate by the driving motor 7.
The central shafts of the sand discharging structure shell 5 and the spiral impeller 6 are obliquely arranged, and the liquid storage bin 8 is of a hollow structure and is fixedly connected with the sand discharging structure shell 5.
The spiral impeller 6 includes a rotating shaft 61 and spiral blades 62, the spiral blades 62 are of a spiral structure which takes the rotating shaft 61 as a central shaft and rotates upwards, a plurality of spiral blades 62 are fixedly connected with the rotating shaft 61, and grid baffles 64 are arranged on the spiral blades 62 at intervals.
A plurality of hollow blade seepage holes 63 are further formed between every two grid baffles 64 on the spiral blade 62.
The outlet of the sand discharge pipe 9 is provided with a valve, the driving motor 7 is connected with the rotating shaft 61 through a coupler 13, and the bottom of the rotating shaft 61 is provided with a supporting spring 14.
The shaft coupling 13 comprises a motor coupling 131, a connecting shaft clamping ring 132 and a rotating shaft coupling 133 which are coaxially arranged, wherein the upper end of the motor coupling 131 is fixedly connected with the driving motor 7, the lower end of the motor coupling is fixedly connected with the connecting shaft clamping ring 132, the lower end of the rotating shaft coupling 133 is fixedly connected with the rotating shaft 61, the center of the upper end of the rotating shaft coupling is inwards sunken to form a clamping ring groove 133b, and the clamping ring groove 133b is matched with the connecting shaft clamping ring 132.
The connecting shaft snap ring 132 comprises a retainer 132c, tooth blocks 132b and rollers 132a, wherein a plurality of rollers 132a are distributed along the circumference of the retainer 132c and are rotationally connected with the retainer 132c, the tooth blocks 132b are of wedge-shaped structures and are symmetrically arranged on two sides of a rotating shaft of the rollers 132a, tooth grooves 133a are formed in the snap ring grooves 133b along the circumference of the inner wall, and the tooth grooves 133a are matched with the tooth blocks 132b and the rollers 132 a.
The connecting shaft snap ring 132 acts as a gear having guiding property, and can perform a docking operation of the rotating shaft 61 and the driving motor 7 during the rotation of the driving motor 7.
Example eight
Referring to fig. 1, 2 and 3, a drilling circulation sand pumping device with a spiral sand discharging structure comprises a sand washing pipe 1, a central pipe 2, a connecting flange 3, a sand discharging pipe 4, a spiral sand discharging structure, a water discharging pipe 10, a sand discharging pipe 9, a circulating pump 11 and a return pipe 12, wherein the sand washing pipe 1 is fixedly connected with a sleeve, the central pipe 2 is fixedly connected with a round drill rod, the top of the central pipe 2 is fixedly connected with the connecting flange 3, the side edge of the sand washing pipe 1 is opened and fixedly connected with the sand discharging pipe 4, the other end of the sand discharging pipe 4 is communicated with the spiral sand discharging structure, the upper opening of the spiral sand discharging structure is communicated with the sand discharging pipe 9, the lower opening of the spiral sand discharging structure is communicated with the water discharging pipe 10, one end of the circulating pump 11 is connected with the water discharging pipe 10, the other end of the circulating pump is connected with the return pipe 12, and the other end of the return pipe 12 is fixedly connected with the connecting flange 3; the spiral sand discharging structure comprises a sand discharging structure shell 5, a spiral impeller 6, a driving motor 7 and a liquid storage bin 8, wherein the sand discharging structure shell 5 is of a hollow columnar structure, one side cylindrical surface is fixedly connected with the liquid storage bin 8, a plurality of liquid leakage holes 51 which are arranged in an array are formed in the connecting side cylindrical surface of the sand discharging structure, the sand discharging structure is communicated with the liquid storage bin 8 through the liquid leakage holes 51, the lower portion of the liquid storage bin 8 is opened and communicated with a drain pipe 10, the driving motor 7 and the spiral impeller 6 are arranged inside the sand discharging structure shell 5, and the spiral impeller 6 is closely attached to the inner wall of the sand discharging structure shell 5 and is driven to rotate by the driving motor 7.
The central shafts of the sand discharging structure shell 5 and the spiral impeller 6 are obliquely arranged, and the liquid storage bin 8 is of a hollow structure and is fixedly connected with the sand discharging structure shell 5.
The spiral impeller 6 includes a rotating shaft 61 and spiral blades 62, the spiral blades 62 are of a spiral structure which takes the rotating shaft 61 as a central shaft and rotates upwards, a plurality of spiral blades 62 are fixedly connected with the rotating shaft 61, and grid baffles 64 are arranged on the spiral blades 62 at intervals.
A plurality of hollow blade seepage holes 63 are further formed between every two grid baffles 64 on the spiral blade 62.
The outlet of the sand discharge pipe 9 is provided with a valve, the driving motor 7 is connected with the rotating shaft 61 through a coupler 13, and the bottom of the rotating shaft 61 is provided with a supporting spring 14.
The shaft coupling 13 comprises a motor coupling 131, a connecting shaft clamping ring 132 and a rotating shaft coupling 133 which are coaxially arranged, wherein the upper end of the motor coupling 131 is fixedly connected with the driving motor 7, the lower end of the motor coupling is fixedly connected with the connecting shaft clamping ring 132, the lower end of the rotating shaft coupling 133 is fixedly connected with the rotating shaft 61, the center of the upper end of the rotating shaft coupling is inwards sunken to form a clamping ring groove 133b, and the clamping ring groove 133b is matched with the connecting shaft clamping ring 132.
The connecting shaft snap ring 132 comprises a retainer 132c, tooth blocks 132b and rollers 132a, wherein a plurality of rollers 132a are distributed along the circumference of the retainer 132c and are rotationally connected with the retainer 132c, the tooth blocks 132b are of wedge-shaped structures and are symmetrically arranged on two sides of a rotating shaft of the rollers 132a, tooth grooves 133a are formed in the snap ring grooves 133b along the circumference of the inner wall, and the tooth grooves 133a are matched with the tooth blocks 132b and the rollers 132 a.
The inner wall of the upper part of the sand discharging structure shell 5 protrudes inwards to form an independent excluder bin 52, and the driving motor 7 is fixed in the excluder bin 52.
The advantage of isolating the drive motor 7 alone is that corrosive liquids can be prevented from contacting the drive motor 7, thereby affecting the service life of the drive motor 7, and at the same time solid particles can be isolated, avoiding the abrasion of the drive motor 7 by the solid particles.
The present invention is not limited to the above-described embodiments, and various changes may be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the contents after the changes still fall within the scope of the present invention.
Claims (6)
1. The drilling circulation sand pumping device comprises a sand washing pipe, a central pipe, a connecting flange, a sand outlet pipe, a spiral sand discharging structure, a drain pipe, a sand discharging pipe, a circulating pump and a return pipe, wherein the sand washing pipe is fixedly connected with a sleeve pipe, the central pipe is fixedly connected with a round drill rod, the top of the central pipe is fixedly connected with the connecting flange, the side edge of the sand washing pipe is opened and fixedly connected with the sand outlet pipe, the other end of the sand outlet pipe is communicated with the spiral sand discharging structure, the upper opening of the spiral sand discharging structure is communicated with the sand discharging pipe, the lower opening of the spiral sand discharging structure is communicated with the drain pipe, one end of the circulating pump is connected with the drain pipe, the other end of the circulating pump is connected with the return pipe, and the other end of the return pipe is fixedly connected with the connecting flange; the method is characterized in that: the spiral sand discharging structure comprises a sand discharging structure shell, a spiral impeller, a driving motor and a liquid storage bin, wherein the sand discharging structure shell is of a hollow columnar structure, one side cylindrical surface is fixedly connected with the liquid storage bin, a plurality of liquid leakage holes which are arranged in an array are formed in the connecting side cylindrical surface of the sand discharging structure, the sand discharging structure is communicated with the liquid storage bin through the liquid leakage holes, the lower portion of the liquid storage bin is opened and communicated with the drain pipe, the driving motor and the spiral impeller are arranged in the sand discharging structure shell, and the spiral impeller is closely attached to the inner wall of the sand discharging structure shell and is driven to rotate by the driving motor;
the spiral impeller comprises a rotating shaft and spiral blades, the spiral blades are of spiral structures which take the rotating shaft as a central shaft and rotate upwards, a plurality of the spiral blades are fixedly connected with the rotating shaft, and grid baffles are arranged on the spiral blades at intervals; and a plurality of hollow blade seepage holes are further formed between every two grid baffles on the spiral blade.
2. A drilling circulation sand pumping device with a spiral sand discharging structure according to claim 1, characterized in that: the sand discharging structure shell and the middle shaft of the spiral impeller are obliquely arranged, and the liquid storage bin is of a hollow structure and is fixedly connected with the sand discharging structure shell.
3. A drilling circulation sand pumping device with a spiral sand discharging structure according to claim 1, characterized in that: the sand discharge pipe is characterized in that a valve is arranged at the outlet of the sand discharge pipe, the driving motor is connected with the rotating shaft through a coupler, and a supporting spring is arranged at the bottom of the rotating shaft.
4. A drilling circulation sand pumping device having a spiral sand discharging structure according to claim 3, wherein: the shaft coupling comprises a motor coupling, a connecting shaft snap ring and a rotating shaft coupling which are coaxially arranged, wherein the upper end of the motor coupling is fixedly connected with a driving motor, the lower end of the motor coupling is fixedly connected with the connecting shaft snap ring, the lower end of the rotating shaft coupling is fixedly connected with the rotating shaft, the center of the upper end of the rotating shaft coupling is inwards sunken to form a snap ring groove, and the snap ring groove is matched with the connecting shaft snap ring.
5. The drilling circulation sand pumping device with the spiral sand discharging structure according to claim 4, wherein: the connecting shaft snap ring comprises a retainer, tooth blocks and rollers, wherein a plurality of rollers are distributed along the circumference of the retainer and are rotationally connected with the retainer, the tooth blocks are of wedge-shaped structures and are symmetrically arranged on two sides of a rotating shaft of the rollers, tooth grooves are formed in the snap ring grooves along the circumference of the inner wall, and the tooth grooves are matched with the tooth blocks and the rollers.
6. A drilling circulation sand pumping device with a spiral sand discharging structure according to claim 1, characterized in that: the inner wall of the upper part of the sand discharge structure shell protrudes inwards to form an independent excluder bin, and the driving motor is fixed in the excluder bin.
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| CN116480297B (en) * | 2023-06-21 | 2023-09-08 | 海塔石油科技有限公司 | Horizontal well pumping and sand discharging double-circulation torque converter and application method thereof |
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