CN114458254B - Canning production system capable of directly controlling exhaust in real time and production method thereof - Google Patents
Canning production system capable of directly controlling exhaust in real time and production method thereof Download PDFInfo
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- CN114458254B CN114458254B CN202110649840.0A CN202110649840A CN114458254B CN 114458254 B CN114458254 B CN 114458254B CN 202110649840 A CN202110649840 A CN 202110649840A CN 114458254 B CN114458254 B CN 114458254B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 84
- 238000009924 canning Methods 0.000 title claims abstract description 25
- 238000007789 sealing Methods 0.000 claims description 93
- 230000007704 transition Effects 0.000 claims description 54
- 230000005540 biological transmission Effects 0.000 claims description 53
- 210000002445 nipple Anatomy 0.000 claims description 41
- 239000000725 suspension Substances 0.000 claims description 32
- 238000001514 detection method Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 2
- 230000007774 longterm Effects 0.000 abstract description 2
- 239000003129 oil well Substances 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/126—Adaptations of down-hole pump systems powered by drives outside the borehole, e.g. by a rotary or oscillating drive
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/066—Valve arrangements for boreholes or wells in wells electrically actuated
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
- E21B43/38—Arrangements for separating materials produced by the well in the well
Abstract
The invention provides a canning production system capable of realizing real-time direct control of exhaust and a production method thereof. The production system can monitor the internal pressure change of the underground canned production system on the ground in real time, realize the switching of a remote control exhaust channel, avoid the airlock of the submersible electric pump and ensure the sustainability of long-term production of an oil well.
Description
Technical Field
The invention relates to the technical field of petroleum exploitation equipment, in particular to a canning production system capable of directly controlling exhaust in real time and a production method thereof.
Background
At present, when the offshore oilfield production well contains corrosive gas, in order to protect the casing to the greatest extent, a canned production system is usually put into the offshore oilfield production well, and an electric pump unit is arranged inside the canned production system, so that the casing and the corrosive gas can be isolated, and the casing is prevented from being corroded to cause overhaul operation. However, when the gas content in the production liquid increases, the gas is easily accumulated in the canned production system to cause the electric pump to be air-locked, and the yield is affected. On one hand, the existing canning production system can not monitor pressure change and exhaust control in the underground tank in real time on the ground, on the other hand, 3/8 inch pipelines are adopted for exhaust, the exhaust channel is small, the exhaust effect is poor, no report is made on the canning production system capable of realizing real-time direct control exhaust, and the canning production system is still in a technical blank stage.
Disclosure of Invention
The invention overcomes the defects in the prior art, and the existing canned production system can not monitor the pressure change and the exhaust control in the underground tank in real time, has small exhaust channel and poor exhaust effect, and provides the canned production system capable of directly controlling the exhaust in real time and the production method thereof.
The aim of the invention is achieved by the following technical scheme.
The direct control exhaust valve comprises a cable outlet connector, an outer protection component, a circuit board component, an exhaust transmission component and a pressure detection sealing component, wherein the cable outlet connector is arranged at the head end of the outer protection component, the circuit board component is arranged in an inner cavity at the upper part of the outer protection component, the head end of the exhaust transmission component stretches into the inner cavity of the outer protection component, the outer wall of the middle part of the exhaust transmission component is in threaded connection with the inner wall of the tail end of the outer protection component, and the pressure detection sealing component is arranged in the inner cavity at the lower part of the exhaust transmission component;
the exhaust transmission assembly comprises a miniature motor, a motor seat, a transition joint, a threaded shaft sleeve, a transmission shaft, a flow-passing main body, a sealing base, a sealing baffle ring and an exhaust valve core, wherein the head end of the motor seat is fixedly connected with the tail end of the miniature motor through a screw, the transition joint, the threaded shaft sleeve and the transmission shaft are sequentially arranged in the motor seat from top to bottom, the transition joint adopts a 'convex' hollow tubular structure, an output terminal of the miniature motor is inserted in an inner hole of the small diameter end of the transition joint, the outer wall of the large diameter end of the transition joint is in clearance fit with the inner wall of the head end of the threaded shaft sleeve, a connecting pin is arranged in a clearance formed between the outer wall of the large diameter end of the transition joint and the inner wall of the head end of the threaded shaft sleeve, the transmission shaft adopts a cylindrical structure with the cross section of three sections, the inner wall of the lower part of the threaded shaft sleeve is in threaded connection with the outer wall of the large diameter section of the transmission shaft, the middle diameter section of the transmission shaft passes through the limiting diameter hole, the tail end of the outer wall of the motor seat forms a small diameter end of the sealing sleeve, the sealing baffle ring is in contact with the inner wall of the sealing baffle ring, the sealing baffle ring is arranged on the surface of the sealing baffle ring, the sealing baffle ring is in contact with the inner wall of the main body, the sealing baffle ring is in contact with the surface of the sealing baffle ring, the sealing baffle ring is in contact with the inner wall, and the sealing baffle ring, the sealing baffle ring is in contact with the sealing ring, and the sealing baffle ring is formed in the sealing ring, and the sealing baffle ring, the sealing baffle ring and the exhaust transmission is formed exhaust transmission assembly. The transmission shaft and the exhaust valve core are used for controlling the opening/closing of the fifth channel.
The outer protection component comprises a top end connector, an upper outer protection pipe, a connector and a lower outer protection pipe, wherein the cable outlet connector is inserted into an inner hole of the head end of the top end connector, the outer wall of the tail end of the top end connector is in threaded connection with the inner wall of the head end of the upper outer protection pipe, the tail end of the upper outer protection pipe is connected with the head end of the lower outer protection pipe through the connector, the circuit board component is installed at the head end of the connector, the inner wall of the tail end of the lower outer protection pipe is in threaded connection with the outer wall of the overcurrent main body, and the miniature motor, the motor base, the transition connector, the threaded shaft sleeve and the transmission shaft are arranged in an inner cavity of the lower outer protection pipe.
The pressure detection sealing assembly comprises a pressure sensor, a locking ring and a plugging cap, wherein a pressure measuring and expanding section is formed on the inner wall of the overcurrent main body below the sixth channel, the pressure sensor is installed in the pressure measuring and expanding section, the locking ring is arranged below the pressure sensor, a sealing and expanding section is formed on the inner wall of the overcurrent main body below the locking ring, and the plugging cap is installed in the sealing and expanding section.
An expanded diameter section of the overcurrent main body is formed on the inner wall of the upper part of the overcurrent main body, a reduced diameter section of the overcurrent main body is formed on the inner wall of the overcurrent main body below the expanded diameter section of the overcurrent main body, the fifth channel is communicated with the expanded diameter section of the overcurrent main body, a lining sleeve, an exhaust valve sleeve and a lining ring are sequentially arranged in a space formed by the expanded diameter section of the overcurrent main body and the outer wall of the transmission shaft from top to bottom, an exhaust valve core is fixed on the outer wall of the small diameter section of the transmission shaft through a locking nut, the sixth channel is communicated with the reduced diameter section of the overcurrent main body, and a wire passing channel which axially penetrates through the overcurrent main body is formed in the overcurrent main body.
The utility model provides a can production system that can directly control exhaust in real time, includes promotes nipple joint, locking cap, hangs the body, transition nipple joint, charge pump and hangs nipple joint, sleeve pipe cluster, bottom change knot and directly control exhaust valve hang on the body and form first passageway, second passageway and third passageway, hang the third passageway of body and be used for installing charge pump power cable and pass through the ware, promote the tail end outer wall of nipple joint with hang the head end inner wall threaded connection of first passageway of body, hang the tail end inner wall of first passageway of body with the head end outer wall threaded connection of charge pump and hang nipple joint, directly control exhaust valve pass hang the second passageway of body and install in hang the second passageway of body, install in the outside of hanging the body the locking cap, the tail end inner wall of locking cap with the head end outer wall threaded connection of transition nipple joint, hang the lower part of body and the lower part of directly controlling exhaust valve and stretch into in the transition nipple joint, at transition nipple joint tail end with sleeve pipe cluster's tail end, the tail end of nipple joint is connected with sleeve pipe cluster's tail end inner wall and the head end change knot threaded connection of the end;
a fourth channel is formed in the side wall of the middle of the suspension body, the second channel is communicated with the outer side of the suspension body and the second channel is communicated with the first channel, and the fourth channel and the fifth channel are arranged in one-to-one correspondence.
And a compression ring is arranged between the inner wall of the second channel of the suspension body and the outer wall of the direct control exhaust valve.
The clamping ring adopts a circular ring structure with a stepped cross section, the tail end of the clamping ring is provided with a clamping ring external thread, the inner wall of the second channel of the suspension body is provided with a second channel internal thread, and the clamping ring is connected with the second channel of the suspension body by the clamping ring external thread and the second channel internal thread.
A hanger step is formed on the outer wall of the upper part of the hanger, a hanger sealing surface is formed on the side wall of the hanger below the hanger step, hanger sealing grooves are respectively formed at the head end and the tail end of the hanger sealing surface, and hanger sealing rings are arranged in the hanger sealing grooves.
The inner wall of the upper part of the lock cap forms a lock cap reducing section, and the lower surface of the lock cap reducing section is contacted with the upper surface of the hanging body step.
The upper outer wall of the transition nipple forms a transition nipple diameter-reducing section, the lower surface of the suspension body step is contacted with the upper surface of the transition nipple diameter-reducing section, the inner wall of the transition nipple is contacted with the suspension body sealing surface, and the purpose of sealing the outer wall of the suspension body and the inner wall of the transition nipple is realized by using the suspension body sealing ring.
The tail end of the bottom end variable buckle is in threaded connection with the head end of the oil pipe.
The production method of the canning production system capable of directly controlling the exhaust in real time comprises the following steps:
step 1, an initial well entering stage: the canned production system is put into a preset position underground along with a production pipe column, the direct-control exhaust valve is in a closed state at the moment, and a circuit board assembly and a pressure sensor in the direct-control exhaust valve are connected with an industrial personal computer arranged on the ground in a power supply and communication mode through a steel pipe cable;
step 2, production monitoring and exhaust stage: starting production of the submersible electric pump, monitoring the internal pressure of a canned production system in real time by a pressure sensor of a direct-control exhaust valve, and realizing real-time direct reading by an industrial personal computer arranged on the ground, wherein the internal pressure of the canned production system rises along with accumulation of gas in the canned production system, stopping production of the submersible electric pump, the industrial personal computer arranged on the ground sends an opening instruction of the direct-control exhaust valve, a circuit board assembly receives the opening instruction and then controls a micro motor to rotate, the micro motor rotates to drive a transition joint and a threaded shaft sleeve to rotate, a transmission shaft drives an exhaust valve core and a locking nut to move upwards, and the internal gas of the canned production system enters a first channel of a suspension body through a sixth channel of an overcurrent main body, an inner cavity of the overcurrent main body and a fourth channel of the suspension body and is lifted to the ground along a lifting nipple and an upper oil pipe string;
step 3, recovering the production stage: after the internal gas of the canning production system is reduced and the pressure is reduced, the industrial personal computer arranged on the ground gives a direct control exhaust valve closing instruction, after the circuit board assembly receives the closing instruction, the miniature motor is controlled to reversely rotate, the miniature motor rotates to drive the transition joint and the threaded shaft sleeve to rotate, the transmission shaft drives the exhaust valve core and the locking nut to move downwards, the exhaust valve core closes the fifth channel of the overcurrent main body, namely, the communication between the inner cavity of the overcurrent main body and the fourth channel of the suspension body is closed, and the submersible electric pump is restarted to resume production.
The beneficial effects of the invention are as follows: based on the canning production system provided by the invention, the internal pressure change of the underground canning production system can be monitored on the ground in real time, the remote control of the opening and closing of the exhaust channel is realized, the gas lock of the submersible electric pump is avoided, and the long-term production sustainability of an oil well is ensured.
Drawings
FIG. 1 is a schematic diagram of a canned production system of the present invention;
FIG. 2 is an enlarged view of a portion of the direct-control exhaust valve of FIG. 1 in a closed condition;
FIG. 3 is an isometric view of a hanger in the canning production system of the present invention;
FIG. 4 is an end view of a hanger in the canning production system of the present invention;
FIG. 5 is a cross-sectional view B-B of FIG. 4;
FIG. 6 is a cross-sectional view of C-C of FIG. 4;
FIG. 7 is a schematic diagram of the structure of the present invention in a closed position of a direct control exhaust valve in a canning production system;
FIG. 8 is an enlarged view of part of D of FIG. 7;
FIG. 9 is a schematic view of the transition joint in the direct control vent valve of the canning production system of the present invention;
FIG. 10 is a top view of FIG. 9;
FIG. 11 is a schematic view of the structure of the flow body in the direct control vent valve of the canning production system of the present invention;
FIG. 12 is a cross-sectional view E-E of FIG. 11;
FIG. 13 is a cross-sectional view of F-F in FIG. 12;
FIG. 14 is a schematic view of the structure of the present invention in a canned production system with a direct control vent valve open;
fig. 15 is a partial enlarged view of H in fig. 14;
fig. 16 is an enlarged partial view of the direct-control exhaust valve in fig. 1 in an opened state.
In the figure: 1 is a lifting nipple; 2 is a lock cap; 3 is a hanging body; 4 is a transition nipple; 5 is an electric pump suspension nipple; 6 is a sleeve pipe string; 7 is a bottom end button; 8 is a compression ring; 9 is a direct control exhaust valve; 901 is a cable outlet connector; 902 is a top end fitting; 903 is an upper outer sheath; 904 is a circuit board assembly; 905 is a connector; 906 is a lower outer sheath; 907 is a miniature motor; 908 is a motor base; 909 is a transition joint; 910 are connecting pins; 911 is a threaded shaft sleeve; 912 is a transmission shaft; 913 is a compression nut; 914 is an overcurrent body; 915 is a sealing base; 916 is a sealing baffle ring; 917 is a bushing; 918 is an exhaust valve element; 919 is an exhaust valve sleeve; 920 is a liner ring; 921 is a lock nut; 922 is a pressure sensor; 923 is a lock ring; 924 is a plugging cap; g1 is a first channel; g2 is the second channel; g3 is a third channel; g4 is a fourth channel; g5 is the fifth channel; g6 is an air inlet channel; g7 is the wire passing channel.
Other relevant drawings may be made by those of ordinary skill in the art from the above figures without undue burden.
Detailed Description
The technical scheme of the invention is further described by specific examples.
Example 1
The direct control exhaust valve comprises a cable outlet connector 901, an outer protection component, a circuit board component 904, an exhaust transmission component and a pressure detection sealing component, wherein the cable outlet connector 901 is arranged at the head end of the outer protection component, the circuit board component 904 is arranged in an inner cavity at the upper part of the outer protection component, the head end of the exhaust transmission component extends into the inner cavity of the outer protection component, the outer wall of the middle part of the exhaust transmission component is in threaded connection with the inner wall of the tail end of the outer protection component, and the pressure detection sealing component is arranged in the inner cavity at the lower part of the exhaust transmission component;
the exhaust transmission assembly comprises a miniature motor 907, a motor base 908, a transition joint 909, a threaded shaft sleeve 911, a transmission shaft 912, a overcurrent main body 914, a sealing base 915, a sealing baffle ring 916 and an exhaust valve core 918, wherein the head end of the motor base 908 is fixedly connected with the tail end of the miniature motor 907 through screws, the transition joint 909, the threaded shaft sleeve 911 and the transmission shaft 912 are sequentially arranged in the motor base 908 from top to bottom, the transition joint 909 adopts a 'convex' hollow tubular structure, an output terminal of the miniature motor 907 is inserted into a small diameter end inner hole of the transition joint 909, the outer wall of the large diameter end of the transition joint 909 is in clearance fit with the inner wall of the head end of the threaded shaft sleeve 911, a connecting pin 910 is arranged in a clearance formed between the outer wall of the large diameter end of the transition joint 909 and the inner wall of the head end of the threaded shaft sleeve 911, the transmission shaft 912 adopts a cylindrical structure with the cross section of three sections, the inner wall of the lower part of the threaded shaft sleeve 911 is in threaded connection with the outer wall of the large diameter section of the transmission shaft 912, a limit shrinkage cavity is formed at the tail end of the motor base 908, the middle diameter section of the transmission shaft 912 passes through the limit cavity, the outer wall 915 is formed at the tail end of the transmission shaft base 908, the large diameter section is in a diameter section of the limit cavity, the seal cap 915 is in contact with the sealing sleeve 914, the sealing sleeve 914 is in contact with the sealing sleeve 914, and the sealing sleeve 914 is arranged on the inner wall of the sealing sleeve 914, the sealing sleeve is in a sealing sleeve, the sealing sleeve is in contact with the sealing sleeve, the sealing sleeve is formed between the sealing sleeve and sealing sleeve, and the sealing sleeve is formed, and the sealing sleeve, the sealing sleeve is formed. The drive shaft 912 and the exhaust valve core 915 are used to control the opening/closing of the fifth passage g 5.
Example two
On the basis of the first embodiment, the outer protection component comprises a top end connector 902, an upper outer protection tube 903, a connector 905 and a lower outer protection tube 906, wherein the cable outlet connector 901 is inserted into an inner hole of the head end of the top end connector 902, the outer wall of the tail end of the top end connector 902 is in threaded connection with the inner wall of the head end of the upper outer protection tube 903, the tail end of the upper outer protection tube 903 is connected with the head end of the lower outer protection tube 906 through the connector 905, the circuit board component 904 is mounted at the head end of the connector 905, the inner wall of the tail end of the lower outer protection tube 906 is in threaded connection with the outer wall of the overcurrent main body 914, and the micro motor 907, the motor base 908, the transition connector 909, the threaded shaft sleeve 911 and the transmission shaft 912 are arranged in the inner cavity of the lower outer protection tube 906.
The pressure detecting seal assembly comprises a pressure sensor 922, a locking ring 923 and a plugging cap 924, wherein a pressure measuring expanding section is formed on the inner wall of the overcurrent main body 914 below the sixth channel g6, the pressure sensor 922 is arranged in the pressure measuring expanding section, the locking ring 923 is arranged below the pressure sensor 922, a sealing expanding section is formed on the inner wall of the overcurrent main body 914 below the locking ring 923, and the plugging cap 924 is arranged in the sealing expanding section.
An expanded diameter section of the overcurrent body is formed on the inner wall of the upper part of the overcurrent body 914, a reduced diameter section of the overcurrent body is formed on the inner wall of the overcurrent body 914 below the expanded diameter section of the overcurrent body, a fifth channel g5 is communicated with the expanded diameter section of the overcurrent body, a lining 917, an exhaust valve sleeve 919 and a lining ring 920 are sequentially arranged in a space formed by the expanded diameter section of the overcurrent body and the outer wall of the transmission shaft 912 from top to bottom, an exhaust valve core 918 is fixed on the outer wall of the small-diameter section of the transmission shaft 912 through a locking nut 921, a sixth channel g6 is communicated with the reduced diameter section of the overcurrent body, and an overcurrent channel g7 which axially penetrates through the overcurrent body 914 is formed on the overcurrent body 914.
Example III
On the basis of the second embodiment, the canning production system capable of realizing real-time direct control of exhaust comprises a lifting nipple 1, a locking cap 2, a hanging body 3, a transition nipple 4, an electric pump hanging nipple 5, a sleeve pipe string 6, a bottom end varying button 7 and a direct control exhaust valve 9, wherein a first channel g1, a second channel g2 and a third channel g3 are formed on the hanging body 3, the third channel g3 is used for installing an electric pump power cable traversing device, the tail end outer wall of the lifting nipple 1 is in threaded connection with the head end inner wall of the first channel g1 of the hanging body 3, the tail end inner wall of the first channel g1 of the hanging body 3 is in threaded connection with the head end outer wall of the electric pump hanging nipple 5, the direct control exhaust valve 9 penetrates through the second channel g2 of the hanging body 3 and is installed in the second channel g2 of the hanging body 3, the tail end inner wall of the locking cap 2 is in threaded connection with the head end outer wall of the transition nipple 4, the lower part of the hanging body 3 and the lower part of the direct control exhaust valve 9 extend into the transition nipple 4, and the tail end inner wall of the transition nipple 4 is in threaded connection with the head end inner wall of the sleeve pipe string 6, and the head end varying button 6 is in threaded connection with the head end inner wall of the sleeve pipe string 7;
a fourth channel g4 is formed in the side wall of the middle of the suspension body 3, the fourth channel g4 is used for communicating the second channel g2 with the outer side of the suspension body 3 and the second channel g2 with the first channel g1, and the fourth channel g4 and the fifth channel g5 are arranged in one-to-one correspondence.
Example IV
On the basis of the third embodiment, a compression ring 8 is installed between the inner wall of the second channel g2 of the suspension body 3 and the outer wall of the direct-control exhaust valve 9.
The cross section of the pressing ring 8 adopts a circular ring structure with a stepped cross section, the tail end of the pressing ring 8 forms a pressing ring external thread, a second channel internal thread is formed on the inner wall of the second channel g2 of the suspension body 3, and the pressing ring 8 is connected with the second channel g2 of the suspension body 3 by the pressing ring external thread and the second channel internal thread.
A hanger step is formed on the outer wall of the upper part of the hanger 3, a hanger sealing surface is formed on the hanger side wall below the hanger step, hanger sealing grooves are respectively formed at the head end and the tail end of the hanger sealing surface, and hanger sealing rings are arranged in the hanger sealing grooves.
The inner wall of the upper part of the lock cap 2 forms a lock cap reducing section, and the lower surface of the lock cap reducing section is contacted with the upper surface of the step of the suspension body.
The upper outer wall of the transition nipple 4 forms a transition nipple diameter-reducing section, the lower surface of the hanging body step is contacted with the upper surface of the transition nipple diameter-reducing section, the inner wall of the transition nipple 4 is contacted with the hanging body sealing surface, and the purpose of sealing the outer wall of the hanging body 3 and the inner wall of the transition nipple 4 is realized by utilizing the hanging body sealing ring.
The tail end of the bottom end varying buckle 7 is in threaded connection with the head end of the oil pipe.
Example five
The production method of the canning production system capable of directly controlling the exhaust in real time comprises the following steps:
step 1, an initial well entering stage: the canned production system is put into a preset position underground along with a production pipe column, the direct-control exhaust valve 9 is in a closed state at the moment, and a circuit board assembly 904 and a pressure sensor 922 in the direct-control exhaust valve 9 are connected with an industrial personal computer arranged on the ground in a power supply and communication mode through a steel pipe cable;
step 2, production monitoring and exhaust stage: starting production of the submersible electric pump, monitoring the internal pressure of a canning production system in real time by a pressure sensor 922 of a direct control exhaust valve 9, and realizing real-time direct reading by an industrial personal computer arranged on the ground, wherein the internal pressure of the canning production system rises along with accumulation of gas in the canning production system, stopping production of the submersible electric pump, the industrial personal computer arranged on the ground sends an opening instruction of the direct control exhaust valve 9, a circuit board assembly 904 receives the opening instruction and then controls a micro motor 907 to rotate, the micro motor 907 rotates to drive a transition joint 909 and a threaded shaft sleeve 911 to rotate, a transmission shaft 912 drives an exhaust valve core 918 and a locking nut 921 to move upwards, and the internal gas of the canning production system enters a first channel g1 of a hanging body 3 through a sixth channel g6 of an overcurrent main body 914, an inner cavity of the overcurrent main body 914 and a fourth channel g4 of the hanging body 3 and is lifted to the ground along a lifting nipple 1 and an upper oil pipe string;
step 3, recovering the production stage: after the internal gas of the canning production system is reduced and the pressure is reduced, the industrial personal computer arranged on the ground gives a direct control exhaust valve 9 closing instruction, after the circuit board assembly 904 receives the closing instruction, the micro motor 907 is controlled to reversely rotate, the micro motor 907 rotates to drive the transition joint 909 and the threaded shaft sleeve 911 to rotate, the transmission shaft 912 drives the exhaust valve core 918 and the lock nut 921 to move downwards, the exhaust valve core 918 closes the fifth channel g5 of the overcurrent main body 914, namely the communication between the inner cavity of the overcurrent main body 914 and the fourth channel g4 of the suspension body 3 is closed, and the submersible electric pump is restarted to resume production.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature's illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "under" other elements or features would then be oriented "over" the other elements or features. Thus, the exemplary term "lower" may encompass both an upper and lower orientation. The device may be otherwise positioned (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second", and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The foregoing detailed description of the invention has been presented for purposes of illustration and description, but is not intended to limit the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (9)
1. Can directly control exhaust canning production system in real time, its characterized in that: the electric pump power cable connector comprises a lifting nipple, a locking cap, a hanging body, a transition nipple, an electric pump hanging nipple, a casing pipe string, a bottom end variable buckle and a direct control exhaust valve, wherein a first channel, a second channel and a third channel are formed on the hanging body;
a fourth channel is formed in the side wall of the middle of the suspension body, the fourth channel communicates the second channel with the outer side of the suspension body and the second channel with the first channel, and the fourth channel and the fifth channel are arranged in one-to-one correspondence;
the direct-control exhaust valve comprises a cable outlet connector, an outer protection component, a circuit board component, an exhaust transmission component and a pressure detection sealing component, wherein the cable outlet connector is arranged at the head end of the outer protection component, the circuit board component is arranged in an inner cavity at the upper part of the outer protection component, the head end of the exhaust transmission component stretches into the inner cavity of the outer protection component, the outer wall of the middle part of the exhaust transmission component is in threaded connection with the inner wall of the tail end of the outer protection component, and the pressure detection sealing component is arranged in the inner cavity at the lower part of the exhaust transmission component;
the exhaust transmission assembly comprises a miniature motor, a motor seat, a transition joint, a threaded shaft sleeve, a transmission shaft, a flow-passing main body, a sealing base, a sealing baffle ring and an exhaust valve core, wherein the head end of the motor seat is fixedly connected with the tail end of the miniature motor through a screw, the transition joint, the threaded shaft sleeve and the transmission shaft are sequentially arranged in the motor seat from top to bottom, the transition joint adopts a 'convex' hollow tubular structure, an output terminal of the miniature motor is inserted in an inner hole of the small diameter end of the transition joint, the outer wall of the large diameter end of the transition joint is in clearance fit with the inner wall of the head end of the threaded shaft sleeve, a connecting pin is arranged in a clearance formed between the outer wall of the large diameter end of the transition joint and the inner wall of the head end of the threaded shaft sleeve, the transmission shaft adopts a cylindrical structure with the cross section of three sections, the inner wall of the lower part of the threaded shaft sleeve is in threaded connection with the outer wall of the large diameter section of the transmission shaft, the middle diameter section of the transmission shaft passes through the limiting diameter hole, the tail end of the outer wall of the motor seat forms a small diameter end of the sealing sleeve, the sealing baffle ring is in contact with the inner wall of the sealing baffle ring, the sealing baffle ring is arranged on the surface of the sealing baffle ring, the sealing baffle ring is in contact with the inner wall of the main body, the sealing baffle ring is in contact with the surface of the sealing baffle ring, the sealing baffle ring is in contact with the inner wall, and the sealing baffle ring, the sealing baffle ring is in contact with the sealing ring, and the sealing baffle ring is formed in the sealing ring, and the sealing baffle ring, the sealing baffle ring and the exhaust transmission is formed exhaust transmission assembly. The transmission shaft and the exhaust valve core are used for controlling the opening/closing of the fifth channel.
2. The can-type production system capable of directly controlling exhaust in real time according to claim 1, wherein the system comprises the following components: the outer protection component comprises a top end connector, an upper outer protection pipe, a connector and a lower outer protection pipe, wherein the cable outlet connector is inserted into an inner hole of the head end of the top end connector, the outer wall of the tail end of the top end connector is in threaded connection with the inner wall of the head end of the upper outer protection pipe, the tail end of the upper outer protection pipe is connected with the head end of the lower outer protection pipe through the connector, the circuit board component is installed at the head end of the connector, the inner wall of the tail end of the lower outer protection pipe is in threaded connection with the outer wall of the overcurrent main body, and the miniature motor, the motor base, the transition connector, the threaded shaft sleeve and the transmission shaft are arranged in an inner cavity of the lower outer protection pipe.
3. The can-type production system capable of directly controlling exhaust in real time according to claim 1, wherein the system comprises the following components: the pressure detection sealing assembly comprises a pressure sensor, a locking ring and a plugging cap, wherein a pressure measuring and expanding section is formed on the inner wall of the overcurrent main body below the sixth channel, the pressure sensor is installed in the pressure measuring and expanding section, the locking ring is arranged below the pressure sensor, a sealing and expanding section is formed on the inner wall of the overcurrent main body below the locking ring, and the plugging cap is installed in the sealing and expanding section.
4. The can-type production system capable of directly controlling exhaust in real time according to claim 1, wherein the system comprises the following components: an expanded diameter section of the overcurrent main body is formed on the inner wall of the upper part of the overcurrent main body, a reduced diameter section of the overcurrent main body is formed on the inner wall of the overcurrent main body below the expanded diameter section of the overcurrent main body, the fifth channel is communicated with the expanded diameter section of the overcurrent main body, a lining sleeve, an exhaust valve sleeve and a lining ring are sequentially arranged in a space formed by the expanded diameter section of the overcurrent main body and the outer wall of the transmission shaft from top to bottom, an exhaust valve core is fixed on the outer wall of the small diameter section of the transmission shaft through a locking nut, the sixth channel is communicated with the reduced diameter section of the overcurrent main body, and a wire passing channel which axially penetrates through the overcurrent main body is formed in the overcurrent main body.
5. The can-type production system capable of directly controlling exhaust in real time according to claim 1, wherein the system comprises the following components: a compression ring is arranged between the inner wall of the second channel of the suspension body and the outer wall of the direct-control exhaust valve; the clamping ring adopts a circular ring structure with a stepped cross section, the tail end of the clamping ring is provided with a clamping ring external thread, the inner wall of the second channel of the suspension body is provided with a second channel internal thread, and the clamping ring is connected with the second channel of the suspension body by the clamping ring external thread and the second channel internal thread.
6. The can-type production system capable of directly controlling exhaust in real time according to claim 1, wherein the system comprises the following components: a hanger step is formed on the outer wall of the upper part of the hanger, a hanger sealing surface is formed on the side wall of the hanger below the hanger step, hanger sealing grooves are respectively formed at the head end and the tail end of the hanger sealing surface, and hanger sealing rings are arranged in the hanger sealing grooves.
7. The can-type production system capable of directly controlling exhaust in real time according to claim 1, wherein the system comprises the following components: the inner wall of the upper part of the lock cap forms a lock cap reducing section, and the lower surface of the lock cap reducing section is contacted with the upper surface of the hanging body step.
8. The can-type production system capable of directly controlling exhaust in real time according to claim 1, wherein the system comprises the following components: the upper outer wall of the transition nipple forms a transition nipple diameter-reducing section, the lower surface of the suspension body step is contacted with the upper surface of the transition nipple diameter-reducing section, the inner wall of the transition nipple is contacted with the suspension body sealing surface, and the purpose of sealing the outer wall of the suspension body and the inner wall of the transition nipple is realized by using the suspension body sealing ring.
9. A method of producing a real-time, direct-controlled exhaust canned production system as claimed in any one of claims 1 to 8, characterized in that: the method comprises the following steps of:
step 1, an initial well entering stage: the canned production system is put into a preset position underground along with a production pipe column, the direct-control exhaust valve is in a closed state at the moment, and a circuit board assembly and a pressure sensor in the direct-control exhaust valve are connected with an industrial personal computer arranged on the ground in a power supply and communication mode through a steel pipe cable;
step 2, production monitoring and exhaust stage: starting production of the submersible electric pump, monitoring the internal pressure of a canned production system in real time by a pressure sensor of a direct-control exhaust valve, and realizing real-time direct reading by an industrial personal computer arranged on the ground, wherein the internal pressure of the canned production system rises along with accumulation of gas in the canned production system, stopping production of the submersible electric pump, the industrial personal computer arranged on the ground sends an opening instruction of the direct-control exhaust valve, a circuit board assembly receives the opening instruction and then controls a micro motor to rotate, the micro motor rotates to drive a transition joint and a threaded shaft sleeve to rotate, a transmission shaft drives an exhaust valve core and a locking nut to move upwards, and the internal gas of the canned production system enters a first channel of a suspension body through a sixth channel of an overcurrent main body, an inner cavity of the overcurrent main body and a fourth channel of the suspension body and is lifted to the ground along a lifting nipple and an upper oil pipe string;
step 3, recovering the production stage: after the internal gas of the canning production system is reduced and the pressure is reduced, the industrial personal computer arranged on the ground gives a direct control exhaust valve closing instruction, after the circuit board assembly receives the closing instruction, the miniature motor is controlled to reversely rotate, the miniature motor rotates to drive the transition joint and the threaded shaft sleeve to rotate, the transmission shaft drives the exhaust valve core and the locking nut to move downwards, the exhaust valve core closes the fifth channel of the overcurrent main body, namely, the communication between the inner cavity of the overcurrent main body and the fourth channel of the suspension body is closed, and the submersible electric pump is restarted to resume production.
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