CN114059969B - Petroleum casing pipe charge device - Google Patents
Petroleum casing pipe charge device Download PDFInfo
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- CN114059969B CN114059969B CN202210043016.5A CN202210043016A CN114059969B CN 114059969 B CN114059969 B CN 114059969B CN 202210043016 A CN202210043016 A CN 202210043016A CN 114059969 B CN114059969 B CN 114059969B
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- 239000003208 petroleum Substances 0.000 title claims abstract description 12
- 239000003921 oil Substances 0.000 claims abstract description 160
- 239000010779 crude oil Substances 0.000 claims abstract description 57
- 238000005086 pumping Methods 0.000 claims abstract description 39
- 239000003814 drug Substances 0.000 claims abstract description 37
- 238000002156 mixing Methods 0.000 claims abstract description 31
- 238000003825 pressing Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000013016 damping Methods 0.000 claims 1
- 239000003129 oil well Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000969 carrier Substances 0.000 abstract description 3
- 238000011010 flushing procedure Methods 0.000 abstract description 3
- 239000001993 wax Substances 0.000 description 17
- 230000009467 reduction Effects 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/06—Methods or apparatus for cleaning boreholes or wells using chemical means for preventing or limiting, e.g. eliminating, the deposition of paraffins or like substances
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
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- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Fats And Perfumes (AREA)
Abstract
The invention discloses a petroleum casing pipe dosing device, which comprises: the system comprises a sleeve, a pressure oil tank, a medicine box, a pipeline assembly and a crude oil heater, wherein the medicine box is connected to the pressure oil tank; the oil pressing tank is used for pumping crude oil in the annular space of the sleeve into the tank, and the side surface of the oil pressing tank is connected to an oil inlet of the crude oil heater through an oil outlet pipe; the pipeline assembly comprises a hot oil pipe, a mixing pipe and a control pipe, the hot oil pipe and the mixing pipe are connected into the sleeve, the other end of the hot oil pipe is connected with an oil outlet of the crude oil heater, and the other end of the mixing pipe is communicated with the hot oil pipe. The oil-well circulating flushing can be carried out by the aid of the sleeve dosing device which combines petroleum sleeve dosing operation and hot oil flushing operation, crude oil extracted from the annular space is used as the hot oil source, an oil vehicle is not needed, a large amount of other hot oil or heat carriers are not needed to be consumed additionally, the oil well is not needed to be stopped, and the wax removal effect of the pipe wall is achieved.
Description
Technical Field
The invention relates to the technical field of oil extraction, in particular to a dosing device for an oil casing.
Background
In the process of crude oil exploitation, due to the change of physical properties and production parameters of crude oil, scale and wax are easy to form on the inner wall of an oil pipe, which not only can damage an oil layer and reduce the capacity, but also can increase the maintenance operation frequency of an oil well. Therefore, the viscosity reduction and wax removal by physical and chemical methods such as pipe washing, dosing and the like are very important in oil extraction operation.
In general, the chemical agent for removing wax and reducing viscosity is injected into the annular space between the casing and the oil pipe, enters the oil pipe through the oil pumping power, and removes wax after reacting with crude oil. Generally, the sleeve flange is opened manually for adding medicine, a large amount of medicine is directly poured into the sleeve at one time, the medicine is gathered on the working fluid level and is not fully reacted with crude oil in a short time, and the medicine is pumped out of the ground surface by the sucker rod, so that the waste is caused, and the crude oil impurity amount is increased.
Thermal paraffin removal is the most common means for removing refractory wax layer by physical means based on drug paraffin removal, and is suitable for oil wells of various oil extraction methods. Thermal wax removal generally requires a well to be washed by hot oil or other heat carriers in a circulating manner by means of an oil truck, wax is melted and taken out of the well, a large amount of hot oil needs to be consumed, and the production of the oil well needs to be stopped during the period, so that the production is influenced.
In summary, the problems of low efficiency, large loss and the like exist in various modes of operation for viscosity reduction, yield increase and wax removal of oil pipes in oil wells at present.
Disclosure of Invention
The invention aims to provide a petroleum casing pipe dosing device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an oil casing medicating device, comprising: the device comprises a pressure oil tank, a medicine box, a driving device, a pipeline assembly and a crude oil heater, wherein the medicine box is connected to the pressure oil tank; the bottom end of the oil pressing tank is connected to the position below the working fluid level of a crude oil target layer in the sleeve through an oil pumping pipe, the oil pressing tank is used for pumping crude oil in the annular space of the sleeve into the tank, and the side surface of the oil pressing tank is connected to an oil inlet of the crude oil heater through an oil outlet pipe; the pipeline assembly comprises a hot oil pipe, a mixing pipe and a control pipe, the hot oil pipe and the mixing pipe are connected into the sleeve, the other end of the hot oil pipe is connected with an oil outlet of the crude oil heater, the other end of the mixing pipe is communicated with the hot oil pipe, the control pipe is communicated with the hot oil pipe and is coaxial with the end of the mixing pipe, and a controller used for controlling the on-off of the mixing pipe and keeping the hot oil pipe in a passage state is arranged in the control pipe.
As a further scheme of the invention: the oil pumping device is characterized in that an oil pumping bowl is arranged in the oil pressing tank, the top end of the oil pumping bowl is fixedly connected with a first connecting rod group, an oil outlet hole communicated with the inside of the oil pumping bowl is formed in the top surface of the oil pumping bowl, an oil inlet hole is formed in the bottom surface of the oil pumping bowl, an upper traveling valve and a lower traveling valve are respectively arranged at the joint of the oil inlet hole and the oil pressing tank with the oil pumping pipe, and the upper traveling valve and the lower traveling valve can slide up and down.
As a further scheme of the invention: the output end of the driving device is connected with a cam oscillating bar mechanism, and the top end of the first connecting rod group is hinged with the cam oscillating bar mechanism.
As a further scheme of the invention: the end of the hot oil pipe is connected to the bottom end of the sleeve, and the end of the mixing pipe is positioned below the working fluid level.
As a further scheme of the invention: the controller comprises a second connecting rod group, a plunger and a ball plug, the plunger is arranged in the control pipe and sealed with the control pipe, the diameters of the plunger and the ball plug are the same, the diameter of the ball plug is larger than that of the mixing pipe, and a through hole along the axial direction of the hot oil pipe is arranged on the ball plug.
As a further scheme of the invention: the utility model discloses a timing control device, including first connecting rod group, second connecting rod group, timing control device, slider and cam, the slider slides and sets up on the fixing base, and slider inboard symmetry is provided with two sets of archs, and the cam rotates and installs on the fixing base and lies in between two sets of archs, and the cam rotates the in-process and can contact with both sides arch respectively, the crank rotates to be connected in fixing base another side and be connected with the cam shaft to set up one-way bearing with the cam shaft within a definite time, crank end connection to with the connecting rod drive assembly of cam pendulum rod mechanism synchronous swing motion.
As a further scheme of the invention: the connecting rod driving assembly comprises a driving rod, a connecting rod and a rotating sleeve, the rotating sleeve is rotatably arranged on the driving rod, the driving rod is fixedly connected with the cam oscillating bar assembly, and two ends of the connecting rod are respectively connected with the rotating sleeve and the crank.
As a further scheme of the invention: and a sliding damper is arranged between the sliding block and the fixed seat.
As a further scheme of the invention: the medicine chest passes through discharging pipe connection charge device, charge device includes third connecting rod group, check valve, filling pipe and takes out the medicinal cupping, set up the piston in taking out the medicinal cupping, the piston is connected with third connecting rod group, the actuating lever is connected to third connecting rod group, the check valve sets up two sets ofly, sets up respectively on discharging pipe and filling pipe, discharging pipe and filling pipe are connected respectively in taking out medicinal cupping side top, the filling pipe is connected to the top position in the pressure oil jar.
As a further scheme of the invention: the end of the filling pipe is provided with a micronizing nozzle.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a casing dosing device which is provided based on the combination of petroleum casing dosing operation and hot oil well washing operation, and mainly has the following advantages:
1. hot oil circulation well flushing can be carried out through the dosing device, the hot oil is crude oil extracted from the annular space, an oil vehicle is not needed, a large amount of other hot oil or heat carriers are not needed to be additionally consumed, the production stop of an oil well is also not needed, the extracted crude oil is heated and then sent back to the end of the oil pipe to be mixed, the crude oil in the pipe is heated, the temperature of the crude oil in the pipe is accordingly kept higher, wax substances in the crude oil are difficult to separate out, and the effect of removing wax from the pipe wall is achieved;
2. the chemical viscosity reduction and wax removal can be carried out by automatically adding the chemicals to the working fluid surface through the chemical adding device, the viscosity reduction and wax removal of the crude oil can be obviously improved by combining the hot oil well washing operation, meanwhile, the crude oil has a catalytic promotion effect on the reaction of the chemicals and the crude oil after being heated, the reaction rate can be accelerated, the chemical adding is intermittent continuous small-amount filling, the waste is reduced, and the phenomenon that the chemicals which are not completely reacted are pumped out of the ground surface to increase the crude oil impurity amount is avoided;
3. the timing control device with a mechanical structure is used for carrying out continuous and automatic partition control on dosing and hot oil well washing, the mechanical structure is low in use cost and high in stability, and the problem of unreliable work caused by the consistency of crude oil is solved;
4. the timing control device, the oil pumping tank and the dosing device are all linked by the same set of driving system, so that the whole cyclic motion is realized, the use amount of equipment is reduced, and the linkage driving efficiency is high.
Drawings
Fig. 1 is a schematic view of the present invention in one direction.
FIG. 2 is a schematic view of the present invention in another direction.
Fig. 3 is a schematic view of the internal structure of the pressure oil tank according to the present invention.
Fig. 4 is a schematic structural view of the piping assembly of the present invention.
Fig. 5 is an enlarged schematic view of a portion a in fig. 4.
Fig. 6 is a schematic structural diagram of a controller according to the present invention.
Fig. 7 is a schematic front view of the timing control device of the present invention.
FIG. 8 is a schematic diagram of a rear structure of the timing control device of the present invention.
FIG. 9 is a schematic view of the structure of the drug adding device of the present invention.
In the figure, 1, a sleeve; 12. an oil pipe; 13. a screen pipe; 14. a flange seat; 2. pressing the oil tank; 21. an oil pumping pipe; 22. a first link group; 23. an oil outlet pipe; 3. a medicine chest; 31. a discharge pipe; 4. a drive device; 41. a cam swing link mechanism; 5. a timing control device; 51. a fixed seat; 52. a crank; 53. a slider; 54. a cam; 541. a protrusion; 6. a dosing device; 61. a third linkage; 62. a one-way valve; 63. a filling pipe; 64. a medicine pumping pot; 7. a conduit assembly; 71. a hot oil pipe; 72. a mixing tube; 73. a control tube; 8. a crude oil heater; 9. a link drive assembly; 91. a drive rod; 92. a connecting rod; 93. rotating the sleeve; 10. a controller; 101. a second linkage; 102. a plunger; 103. a ball plug; 1031. a through hole; 11. an oil pumping bowl; 111. an oil outlet hole; 112. an upstream valve; 113. an oil inlet hole; 114. a downstream valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, in an embodiment of the present invention, an oil casing chemical feeding device includes: the device comprises a pressure oil tank 2, a medicine box 3, a driving device 4, a timing control device 5, a medicine adding device 6, a pipeline assembly 7 and a crude oil heater 8, wherein the bottom end of the pressure oil tank 2 is connected to a flange seat 14 through an oil pumping pipe 21, the flange seat 14 is connected to the end part of a sleeve 1, the flange seat 14 is communicated with the interior of the sleeve 1, and the oil pumping pipe 21 is connected to the interior of the sleeve 1 to the position below the working fluid level of a crude oil target layer; an oil pumping bowl 11 is arranged in the oil pressure tank 2, the top end of the oil pumping bowl 11 is fixedly connected with a first connecting rod group 22, an oil outlet 111 communicated with the inside of the oil pumping bowl 11 is arranged on the top surface of the oil pumping bowl 11, an oil inlet 113 is arranged on the bottom surface of the oil pumping bowl 11, an upper traveling valve 112 and a lower traveling valve 114 are respectively arranged at the oil inlet 113 and the joint of the oil pressure tank 2 and the oil pumping pipe 21, the upper traveling valve 112 and the lower traveling valve 114 can slide up and down, and particularly, the upper traveling valve and the lower traveling valve are both slidably connected to guide rods positioned at the bottoms of the oil pumping bowl 11 and the oil pressure tank 2 and can slide up and down along the guide rods; the driving device 4 is a speed reducing motor, the output end of the speed reducing motor is connected with a cam swing link mechanism 41, the speed reducing motor can drive the cam swing link mechanism 41 to do reciprocating swing motion, the top end of the first link group 22 is hinged with the cam swing link mechanism 41, the cam swing link mechanism 41 drives the first link group 22 to do reciprocating motion when swinging back and forth, so as to drive the oil pumping bowl 11 to do reciprocating motion in the oil pressing tank 2, when the oil pumping bowl 11 moves up, the upper traveling valve 112 seals the oil inlet hole 113, the lower traveling valve 114 is opened under the action of pumping pressure, crude oil in the casing 1 enters the oil pressing tank 2 through the oil pumping pipe 21 under the action of pumping pressure, meanwhile, the crude oil can be pumped out more easily by utilizing the air pressure of natural gas in the casing 1, then the oil pumping bowl 11 moves down, at the moment, the opening and closing of the upper traveling valve and the lower traveling valve 114 are opposite, the upper traveling valve 112 is opened under the action of oil pressure, so that the crude oil enters the oil pumping bowl 11 through the oil inlet hole 113 and flows into the oil pressing tank 2 through the oil outlet hole 111, thereby realizing the pumping of the crude oil in the pipe;
the oil outlet pipe 23 is connected to the side surface of the oil pressing tank 2, the oil outlet pipe 23 is connected to an oil inlet of the crude oil heater 8, and crude oil is pumped out to be pressed into the oil outlet pipe 23 and enters the crude oil heater 8 for heating.
As shown in fig. 4 to 6, the pipe assembly 7 includes a hot oil pipe 71, a mixing pipe 72, and a control pipe 73, the hot oil pipe 71 and the mixing pipe 72 are connected to the inside of the casing 1, wherein, the pipe end of the hot oil pipe 71 is connected to the bottom end of the casing pipe 1 near the sieve pipe 13, the pipe end of the mixing pipe 72 is positioned under the position near the working fluid level, the other end of the hot oil pipe 71 is connected with the oil outlet of the crude oil heater 8, the other end of the mixing pipe 72 is communicated with the hot oil pipe 71, the control pipe 73 is communicated with the hot oil pipe 71 and is coaxial with the pipe end of the mixing pipe 72, the controller 10 is arranged in the control pipe 73, the controller 10 includes a second linkage 101, a plunger 102 and a ball plunger 103, the plunger 102 is disposed in the control tube 73 and sealed with the control tube 73, the plunger 102 and the ball plunger 103 have the same diameter, the diameter of the ball plug 103 is larger than the pipe diameter of the mixing pipe 72, and a through hole 1031 along the axial direction of the hot oil pipe 71 is arranged on the ball plug 103;
as shown in fig. 7 and 8, the bottom end of the second linkage 101 is connected to the plunger 102, the top end is connected to the timing control device 5, the timing control device 5 includes a fixed seat 51, a crank 52, a slider 53 and a cam 54, the slider 53 is slidably disposed on the fixed seat 51, and a sliding damper is provided between the slider 53 and the fixed seat 51, i.e. the slider 53 can stop at any position in a sliding stroke without self-sliding under no external force, two sets of protrusions 541 are symmetrically disposed inside the slider 53, the cam 54 is rotatably mounted on the fixed seat 51 and located between the two sets of protrusions 541, the cam 54 can respectively contact with the protrusions 541 during rotation, the crank 52 is rotatably connected to the other side surface of the fixed seat 51 and is rotatably connected to the cam 54, and a one-way bearing is disposed between the rotating shaft of the cam 54, the end of the crank 52 is connected to the link driving assembly 9, specifically, the link driving assembly 9 includes a driving rod 91, a driving rod 541, a cam 541, and a cam 54, The rotating sleeve 93 is rotatably arranged on the driving rod 91, the driving rod 91 is fixedly connected with the cam swing link assembly 41, two ends of the connecting rod 92 are respectively connected with the rotating sleeve 93 and the crank 52, the driving rod 91 is synchronously driven to move when the cam swing link assembly 41 swings, so that the crank 52 is driven to swing back and forth through the connecting rod 92, the swinging crank 52 enables the cam 54 to rotate only in one direction through a one-way bearing, the swinging cam 54 drives the sliding block 53 to move, the sliding block 53 can be sent to a stroke end point position under one stroke period of the crank 52 after the cam 54 is contacted with the bulge 541, the sliding block 53 is connected with the second connecting rod group 101, when the second connecting rod group 101 moves upwards, the ball plug 103 is pulled into the control tube 73, at the moment, the mixing tube 72 is opened, and the cam 54 is driven to rotate for a certain angle under one stroke of the crank 52, and through designing a reasonable bulge position, after a certain time interval, the cam 54 contacts the protrusion 541 on the other side to feed the ball plunger 103 into the hot oil pipe 71 again to block the mixing pipe 72, and the crude oil can flow into the hot oil pipe 71 through the through hole 1031.
As shown in fig. 9, the medicine box 3 contains viscosity reducing agent, wax removing agent and the like, the medicine box 3 is connected with the medicine adding device 6 through the discharge pipe 31, the medicine adding device 6 comprises a third connecting rod group 61, a one-way valve 62, a filling pipe 63 and a medicine pumping tank 64, a piston is arranged in the medicine pumping tank 64 and is connected with the third connecting rod group 61, the third connecting rod group 61 is connected with the driving rod 91, two groups of one-way valves 62 are arranged on the discharge pipe 31 and the filling pipe 63 respectively, the discharge pipe 31 and the filling pipe 63 are connected above the side surface of the medicine pumping tank 64 respectively, the filling pipe 63 is connected to the top position in the pressure oil tank 2, the driving rod 91 drives the piston to move through the third connecting rod group 61, the one-way valve 62 on the discharge pipe 31 is opened when the piston moves downwards, the one-way valve 62 on the filling pipe 63 is opened, so that the medicine is pumped into the medicine pumping tank 64, and when the piston moves upwards, the check valve 62 is opened and closed oppositely, the liquid medicine is pressed into the filling pipe 63 and is fed into the pressure oil tank 2 to be mixed with the crude oil, and in order to improve the mixing uniformity, a micronizing nozzle is arranged at the end of the filling pipe 63 to finely spray the medicine, so that the mixing reaction efficiency is improved.
Combining the above, the crude oil is pumped out and then sent into the pressure oil tank 2, meanwhile, the prepared medicament in the medicine tank 3 is synchronously sent into the pressure oil tank 2 through the medicament feeding device 6 to be mixed with the crude oil, then the crude oil is pressed into the crude oil heater 8 to be heated, so that the temperature is raised to 65-80 degrees, and then the crude oil is sent into the hot oil pipe 71, if the mixing pipe 72 is blocked, the crude oil is pressed into the hot oil pipe 71 to be sent into the bottom of the sleeve 1 to be mixed with the crude oil, the crude oil is quickly sent into the oil pipe 12 through the sieve pipe 13 by the oil pumping pressure, so that the inner wall of the oil pipe 12 is dewaxed by the hot oil, the wax layer is melted and taken out of the ground surface, and the thermal well washing is realized; the timing control of the timing control device 5 is adopted, the outflow position of hot oil can be switched, the hot oil automatically flows into the mixing pipe 72 after the mixing pipe 72 is opened and is sent to the position below the working fluid level, the crude oil mixed with the viscosity reducer and the wax remover enters the pipe to react with the crude oil, the viscosity of the crude oil can be reduced, the yield of the crude oil can be improved, the chemical reaction wax reduction can be realized, the temperature rise of the crude oil can also be reduced by the hot oil, the viscosity of the crude oil is considered, the electrically-controlled valve is difficult to achieve the effect and easy to fail, the effect of adding the drug to the working fluid level of a target stratum discontinuously on the basis of the well washing of the hot oil is realized through the timing control of a mechanical structure, and the two are combined, so that the ideal viscosity reduction and wax control effects are achieved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. An oil casing medicating device, comprising: the device comprises a sleeve (1), a pressure oil tank (2), a medicine box (3), a driving device (4), a pipeline assembly (7) and a crude oil heater (8), wherein the medicine box (3) is connected to the pressure oil tank (2); the method is characterized in that: the bottom end of the oil pressing tank (2) is connected to the position below the working fluid level of a crude oil target layer in the sleeve (1) through an oil pumping pipe (21), the oil pressing tank (2) is used for pumping crude oil in an annular space of the sleeve (1) into the tank, and the side surface of the oil pressing tank (2) is connected to an oil inlet of the crude oil heater (8) through an oil outlet pipe (23);
the output end of the driving device (4) is connected with a cam oscillating bar mechanism (41);
the pipeline assembly (7) comprises a hot oil pipe (71), a mixing pipe (72) and a control pipe (73), the hot oil pipe (71) and the mixing pipe (72) are connected into the casing pipe (1), the other end of the hot oil pipe (71) is connected with an oil outlet of the crude oil heater (8), the other end of the mixing pipe (72) is communicated with the hot oil pipe (71), the pipe end of the hot oil pipe (71) is connected to the bottom end of the casing pipe (1), the pipe end of the mixing pipe (72) is located at a position close to the lower part of a working fluid level, the control pipe (73) is communicated with the hot oil pipe (71) and is coaxial with the pipe end of the mixing pipe (72), and a controller (10) used for controlling the on-off of the mixing pipe (72) and keeping the hot oil pipe (71) in a passage state is arranged in the control pipe (73);
the controller (10) comprises a second connecting rod group (101), a plunger (102) and a ball plug (103), the plunger (102) is arranged in the control tube (73) and sealed with the control tube (73), the diameters of the plunger (102) and the ball plug (103) are the same, the diameter of the ball plug (103) is larger than that of the mixing tube (72), and a through hole (1031) in the axial direction of the hot oil tube (71) is formed in the ball plug (103);
second connecting rod group (101) bottom is connected with plunger (102), and the top is connected on slider (53) on timing control device (5), timing control device (5) are including fixing base (51), crank (52), slider (53) and cam (54), slider (53) slide to be set up on fixing base (51), and slider (53) inboard symmetry is provided with two sets of archs, and cam (54) rotate to be installed on fixing base (51) and lie in between two sets of archs, crank (52) rotate to be connected in fixing base (51) another side and be connected with cam (54) pivot to set up one-way bearing in the pivot with cam (54), crank (52) end connection to with cam pendulum rod mechanism (41) synchronous swing motion's connecting rod drive assembly (9).
2. The petroleum casing pipe dosing device of claim 1, wherein: be provided with in the pressure oil tank (2) and take out oil bowl (11), the first connecting rod group (22) of oil bowl (11) top fixedly connected with is provided with oil outlet (111) rather than inside intercommunication on the top surface of oil bowl (11), and oil bowl (11) bottom surface is provided with inlet port (113), inlet port (113) and pressure oil tank (2) are provided with respectively with the punishment of taking out oil pipe (21) and move valve (112) and lower traveling valve (114) on going up, move valve (112) and lower traveling valve (114) homoenergetic and slide from top to bottom.
3. The petroleum casing pipe dosing device of claim 2, wherein: the top end of the first connecting rod group (22) is hinged with the cam oscillating bar mechanism (41).
4. The petroleum casing pipe dosing device of claim 1, wherein: the connecting rod driving assembly (9) comprises a driving rod (91), a connecting rod (92) and a rotating sleeve (93), the rotating sleeve (93) is rotatably arranged on the driving rod (91), the driving rod (91) is fixedly connected with the cam oscillating bar mechanism (41), and two ends of the connecting rod (92) are respectively connected with the rotating sleeve (93) and the crank (52).
5. The petroleum casing pipe dosing device of claim 1, wherein: and sliding damping is arranged between the sliding block (53) and the fixed seat (51).
6. The petroleum casing chemical dosing device of claim 4, wherein: medicine adding device (6) is connected through discharging pipe (31) in medical kit (3), medicine adding device (6) include third connecting rod group (61), check valve (62), filling pipe (63) and draw medicine jar (64), draw and set up the piston in medicine jar (64), the piston is connected with third connecting rod group (61), actuating lever (91) is connected in third connecting rod group (61), check valve (62) set up two sets ofly, set up respectively on discharging pipe (31) and filling pipe (63), discharging pipe (31) and filling pipe (63) are connected respectively in medicine jar (64) side top of drawing, top position in filling pipe (63) are connected to pressure oil jar (2).
7. The petroleum casing chemical dosing device of claim 6, wherein: the end of the filling pipe (63) is provided with a micronizing nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210043016.5A CN114059969B (en) | 2022-01-14 | 2022-01-14 | Petroleum casing pipe charge device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210043016.5A CN114059969B (en) | 2022-01-14 | 2022-01-14 | Petroleum casing pipe charge device |
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| Publication Number | Publication Date |
|---|---|
| CN114059969A CN114059969A (en) | 2022-02-18 |
| CN114059969B true CN114059969B (en) | 2022-03-18 |
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| CN202210043016.5A Active CN114059969B (en) | 2022-01-14 | 2022-01-14 | Petroleum casing pipe charge device |
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| CN114059969A (en) | 2022-02-18 |
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Effective date of registration: 20240430 Address after: 710000 Jingwei small and medium-sized industrial park, No. 1, middle section of Jinggao North Road, Jingwei new town, Xi'an Economic and Technological Development Zone, Shaanxi Province Patentee after: XI'AN SHANCHUAN PETROLEUM TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 257099 No. 271, Beier Road, Dongying District, Dongying City, Shandong Province Patentee before: Shengli College China University of Petroleum Country or region before: China |