CN113250664A - Oil field wellhead assembly with multistage coupling viscosity reduction function - Google Patents
Oil field wellhead assembly with multistage coupling viscosity reduction function Download PDFInfo
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- CN113250664A CN113250664A CN202110771730.1A CN202110771730A CN113250664A CN 113250664 A CN113250664 A CN 113250664A CN 202110771730 A CN202110771730 A CN 202110771730A CN 113250664 A CN113250664 A CN 113250664A
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- pipe
- limiting
- flow
- viscosity reduction
- motor
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- 230000009467 reduction Effects 0.000 title claims abstract description 52
- 230000008878 coupling Effects 0.000 title claims abstract description 15
- 238000010168 coupling process Methods 0.000 title claims abstract description 15
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 3
- 239000003208 petroleum Substances 0.000 abstract description 24
- 239000003638 chemical reducing agent Substances 0.000 abstract description 14
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 239000003921 oil Substances 0.000 description 28
- 230000000694 effects Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 5
- 238000007792 addition Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
- B01F27/906—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms with fixed axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
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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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
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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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
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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
- E21B47/00—Survey of boreholes or wells
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F2035/35—Use of other general mechanical engineering elements in mixing devices
- B01F2035/351—Sealings
Abstract
The invention discloses an oil field wellhead device with a multistage coupling viscosity reduction function, which relates to the technical field of oil field exploitation and comprises an access pipe, wherein one end of the access pipe is connected with a first flow measuring box, one end of the first flow measuring box is provided with an opening valve, one end of the opening valve is provided with a pump pipe, one end of the pump pipe is provided with a first steering pipe, one end of the first steering pipe is provided with a flow limiting pipe, one end of the flow limiting pipe is provided with a porous connecting pipe, a viscosity reducing pipe is arranged above the porous connecting pipe, a limiting pipe is arranged above the viscosity reducing pipe, one side of the limiting pipe is provided with a limiting disc, the limiting disc is rotatably provided with a swinging disc, one end of the porous connecting pipe is provided with a limiting cylinder, and the outside of the limiting cylinder is sleeved with a fixed block; according to the invention, the rotation of the motor is regulated, the two ends of the swinging disc are controlled by the regulating rod to swing up and down, and the flow limiting block slides up and down in the limiting pipe to control the amount of the viscosity reducer flowing into the viscosity reducing pipe, so that the viscosity of petroleum is reduced to different degrees.
Description
Technical Field
The invention relates to the technical field of oilfield exploitation, in particular to an oilfield wellhead device with a multistage coupling viscosity reduction function.
Background
The heavy oil has low hydrocarbon component content, high asphaltene and colloid content and low straight-chain hydrocarbon content, so that most of the heavy oil has the characteristics of high viscosity and high density, and is quite difficult to recover and transport, so that a viscosity reducer is required to be added in the recovery process of the oil to achieve the effect of reducing the viscosity of the oil, so that the transportation and the subsequent extraction and purification of the oil are facilitated, and the viscosity is reduced by the viscosity reducer in the viscosity reduction treatment process of the oil;
however, the addition of the additive cannot be automatically adjusted according to the viscosity reduction effect in the existing viscosity reducer addition process, and secondly, when the viscosity reduction is performed on petroleum, because the flow of the petroleum in a pipeline is large, the extreme value of the flow rate of the petroleum cannot be grasped and controlled in the process of viscosity reduction of the petroleum, so that the viscosity reduction effect is often insufficient due to the fact that the flow rate is too high;
in view of the above technical drawbacks, a solution is proposed.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide an oilfield wellhead device with a multistage coupling viscosity reduction function, which is characterized in that an adjusting assembly is arranged on a fixed block, a flow limiting block is arranged on a sliding rod in the adjusting assembly, the flow limiting block is slidably arranged in a limiting pipe, a gear cylinder is arranged on the sliding rod and is in meshed connection with a swinging plate, the two ends of the swinging plate can be controlled to swing up and down through the adjusting rod by adjusting the rotation of a motor, the flow limiting block is further controlled to slide up and down in the limiting pipe, the amount of a viscosity reducer flowing into the viscosity reduction pipe can be controlled, so that the viscosity reduction of petroleum can be performed to different degrees, a first flow measuring box is added in the next link of an access pipe, a second flow measuring box is added in the previous link of an outflow pipe, the adjustment control can be performed through a flow ratio, and the inflow amount of the viscosity reducer can be controlled, offer first spacing groove in the inside of current-limiting pipe, the inside of current-limiting pipe sets up the current-limiting plate, the one end of current-limiting plate is connected with the internal rotation of current-limiting pipe, the second spacing groove is offered to one side of current-limiting plate, set up the spring between current-limiting plate and current-limiting pipe, when oil velocity of flow is too fast in the pipeline, can produce great impact force to current-limiting plate, current-limiting plate can lift under the effect of impact force, can play the effect that blocks to oil, and then reduce the velocity of flow of oil, in order to solve above-mentioned problem in the background.
The purpose of the invention can be realized by the following technical scheme:
an oil field wellhead device with a multistage coupling viscosity reduction function comprises an access pipe, wherein one end of the access pipe is connected with a first flow measuring box, one end of the first flow measuring box is provided with an opening valve, one end of the opening valve is provided with a pump pipe, one end of the pump pipe is provided with a first steering pipe, one end of the first steering pipe is provided with a flow limiting pipe, one end of the flow limiting pipe is provided with a porous connecting pipe, a viscosity reducing pipe is arranged above the porous connecting pipe, a limiting pipe is arranged above the viscosity reducing pipe, one side of the limiting pipe is provided with a limiting disc, the limiting disc is rotatably provided with a swinging disc, one end of the swinging disc is an arc-shaped gear, the other end of the swinging disc is in a rod shape, one end of the porous connecting pipe is provided with a limiting cylinder, the outside of the limiting cylinder is sleeved with a fixing block, and an adjusting component is fixedly arranged on the fixing block, a second steering tube is arranged at one end of the limiting cylinder, a quick flow tube is arranged at one end of the second steering tube, a second flow measuring box is arranged at one end of the quick flow tube, and an outflow tube is arranged at one end of the second flow measuring box;
the adjusting part sets up the slide bar in spacing intraductal including fixed the adjusting motor who sets up in the fixed block top and pegging graft, be provided with the runner on the motor shaft of adjusting motor, it is provided with the regulation pole to rotate on the runner, the one end of adjusting the pole is rotated with the one end of balance, the one end of slide bar is provided with the stopper, the stopper is located the outside of spacing pipe, the other end of slide bar sets up the current limiting piece, the outside of current limiting piece is provided with the rubber circle, the slide bar passes through current limiting piece slidable mounting in the viscosity reduction intraductal, the fixed gear section of thick bamboo that is provided with on the slide bar, the gear section of thick bamboo is connected through the teeth of a cogwheel meshing with the other end of balance.
As a further scheme of the invention: the inside of current-limiting pipe is the annular array and has seted up a plurality of first spacing grooves, the inside of current-limiting pipe is the annular array and is provided with a plurality of current-limiting plates, the one end of current-limiting plate is connected with the inside rotation of current-limiting pipe, the second spacing groove has been seted up to one side of current-limiting plate, be provided with the spring between current-limiting plate and the current-limiting pipe, the one end fixed mounting of spring is in the inside of first spacing groove, the other end fixed mounting of spring is in the inside of second spacing groove, the spring is located the one end that is close to the access pipe on the current-limiting plate.
As a further scheme of the invention: one side of porous connecting pipe is provided with the motor box, the inside of motor box is provided with hybrid motor, the fixed mixed pivot that is provided with on hybrid motor's the motor shaft, mix the pivot grafting and rotate and install on porous connecting pipe, the bilateral symmetry that lies in porous connecting pipe in the mixed pivot is provided with the sealing ring, is annular array in the mixed pivot and is provided with a plurality of upset leaves.
As a further scheme of the invention: the middle part of fast flow tube is "circular", one side of fast flow tube is provided with the fast motor that flows, the motor shaft of fast motor is pegged graft and is installed in the inside of fast flow tube, be provided with the fast wheel on the motor shaft of fast motor, it is provided with a plurality of vanes to be annular array on the fast wheel.
As a further scheme of the invention: the side surface of the limiting disc is provided with a swing groove, and the swing disc is inserted in the swing groove and is rotationally connected through a swing shaft.
As a further scheme of the invention: viscosity reduction material mouth has been seted up to one side of viscosity reduction pipe, be provided with the viscosity reduction valve on the viscosity reduction material mouth, one side of viscosity reduction valve is provided with the interface.
As a further scheme of the invention: an oil pump is arranged on the pump pipe.
As a further scheme of the invention: one side of the first flow measurement box is provided with a first flow recording table, and one side of the second flow measurement box is provided with a second flow recording table.
The invention has the beneficial effects that:
according to the invention, the adjusting assembly is arranged on the fixed block, the flow limiting block is arranged on the sliding rod in the adjusting assembly, the flow limiting block is slidably arranged in the limiting pipe, the sliding rod is provided with the gear cylinder, the gear cylinder is in meshed connection with the swinging disk, the rotation of the adjusting motor can be adjusted, the two ends of the swinging disk are controlled to swing up and down through the adjusting rod, the flow limiting block is controlled to slide up and down in the limiting pipe, the amount of the viscosity reducer flowing into the viscosity reducing pipe can be controlled, the viscosity reduction of different degrees is carried out on petroleum, the first flow measuring box is added in the next link of the access pipe, the second flow measuring box is added in the previous link of the outflow pipe, the flow ratio can be adjusted and controlled, and the flowing amount of the viscosity reducer can be controlled;
secondly, set up first spacing groove in the inside of current-limiting pipe, the inside of current-limiting pipe sets up the current-limiting plate, and the one end of current-limiting plate is connected with the inside rotation of current-limiting pipe, and the second spacing groove is seted up to one side of current-limiting plate, sets up the spring between current-limiting plate and current-limiting pipe, and when oil flowed velocity was too fast in the pipeline, can produce great impact force to current-limiting plate, and current-limiting plate can lift under the effect of impact force, can play the effect that blocks to oil, and then reduces the velocity of flow of oil.
Drawings
The invention will be further described with reference to the accompanying drawings;
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the adjusting assembly of the present invention;
FIG. 3 is a schematic cross-sectional view of a restrictor of the present invention;
FIG. 4 is a schematic view of the connection structure of the porous connection tube and the hybrid motor according to the present invention;
FIG. 5 is a schematic side view of the stopper tube of the present invention;
FIG. 6 is a schematic cross-sectional view of a flow tube according to the present invention;
in the figure: 1. an access pipe; 2. a first flow box; 21. a first flow recording table; 3. opening the valve; 4. a pump tube; 41. an oil pump; 5. a first steering tube; 6. a current limiting pipe; 60. a first limit groove; 61. a restrictor plate; 62. a spring; 610. a second limit groove; 7. a porous connecting tube; 71. a motor box; 72. a hybrid motor; 73. a mixing spindle; 74. a seal ring; 75. turning over the leaves; 8. reducing viscosity of the pipe; 80. a viscosity reduction material port; 81. a viscosity reducing valve; 82. an interface; 9. a limiting pipe; 90. a swinging groove; 91. a limiting disc; 10. an adjustment assembly; 100. adjusting the motor; 101. a rotating wheel; 102. adjusting a rod; 103. placing a plate; 104. a pendulum shaft; 105. a limiting block; 106. a gear drum; 107. a slide bar; 108. a flow limiting block; 1081. a rubber ring; 11. a limiting cylinder; 111. a fixed block; 12. a fast flow tube; 120. a second steering tube; 121. a fast flow motor; 122. a fast flow wheel; 123. a blade; 13. a second flow box; 131. a second flow recording table; 14. and (4) flowing out of the tube.
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. 1-6, an oilfield wellhead device with a multistage coupling viscosity reduction function includes an access pipe 1, one end of the access pipe 1 is connected with a first flow measuring box 2, one end of the first flow measuring box 2 is provided with an opening valve 3, one end of the opening valve 3 is provided with a pump pipe 4, one end of the pump pipe 4 is provided with a first steering pipe 5, one end of the first steering pipe 5 is provided with a flow limiting pipe 6, one end of the flow limiting pipe 6 is provided with a porous connecting pipe 7, a viscosity reducing pipe 8 is arranged above the porous connecting pipe 7, a limiting pipe 9 is arranged above the viscosity reducing pipe 8, one side of the limiting pipe 9 is provided with a limiting disc 91, the limiting disc 91 is rotatably provided with a swing disc 103, one end of the swing disc 103 is an arc gear, the other end of the swing disc 103 is in a rod shape, one end of the porous connecting pipe 7 is provided with a limiting cylinder 11, the outside of the limiting cylinder 11 is sleeved with a fixing block 111, the fixed block 111 is fixedly provided with an adjusting component 10, one end of the limiting barrel 11 is provided with a second steering pipe 120, one end of the second steering pipe 120 is provided with a fast flow pipe 12, one end of the fast flow pipe 12 is provided with a second flow measuring box 13, and one end of the second flow measuring box 13 is provided with an outflow pipe 14.
The adjusting assembly 10 comprises an adjusting motor 100 fixedly arranged above a fixed block 111 and a sliding rod 107 inserted and arranged in a limiting pipe 9, a rotating wheel 101 is arranged on a motor shaft of the adjusting motor 100, an adjusting rod 102 is rotatably arranged on the rotating wheel 101, one end of the adjusting rod 102 is rotatably connected with one end of a swing disc 103, one end of the sliding rod 107 is provided with a limiting block 105, the limiting block 105 is positioned outside the limiting pipe 9, the other end of the sliding rod 107 is provided with a current limiting block 108, the outside of the current limiting block 108 is provided with a rubber ring 1081, the sliding rod 107 is slidably arranged in a viscosity reducing pipe 8 through the current limiting block 108, a gear cylinder 106 is fixedly arranged on the sliding rod 107, the gear cylinder 106 is connected with the other end of the swing disc 103 through gear meshing, the adjusting assembly 10 is arranged on the fixed block 111, the current limiting block 108 is arranged on the sliding rod 107 in the adjusting assembly 10, the current limiting block 108 is slidably arranged in the limiting pipe 9, and the gear cylinder 106 is arranged on the sliding rod 107, gear section of thick bamboo 106 is connected with the meshing of wobble plate 103, can be through the rotation of adjusting motor 100, and then carry out the luffing motion through the both ends of adjusting pole 102 control wobble plate 103, and then control current limiting block 108 slides from top to bottom in spacing pipe 9, alright with the volume of the thinner of flow-in the control viscidity pipe 8, thereby carry out the viscosity reduction of different degrees to the oil, first survey flow box 2 has been increased in the next link of inserting pipe 1, and increased second survey flow box 13 in the former link of outflow tube 14, alright with adjusting control through the flow ratio, control the thinner inflow how much.
The inside of the current-limiting pipe 6 is provided with a plurality of first limiting grooves 60 in an annular array, the inside of the current-limiting pipe 6 is provided with a plurality of current-limiting plates 61 in an annular array, one end of each current-limiting plate 61 is rotatably connected with the inside of the current-limiting pipe 6, one side of each current-limiting plate 61 is provided with a second limiting groove 610, a spring 62 is arranged between each current-limiting plate 61 and the current-limiting pipe 6, one end of each spring 62 is fixedly arranged in each first limiting groove 60, the other end of each spring 62 is fixedly arranged in each second limiting groove 610, each spring 62 is positioned at one end, close to the access pipe 1, of each current-limiting plate 61, each first limiting groove 60 is arranged in each current-limiting pipe 6, each current-limiting plate 61 is arranged in each current-limiting pipe 6, one end of each current-limiting plate 61 is rotatably connected with the inside of the current-limiting pipe 6, one side of each current-limiting plate 61 is provided with each second limiting groove 610, each spring 62 is arranged between each current-limiting plate 61 and each current-limiting pipe 6, when oil flows through the pipeline quickly, the flow restriction plate 61 can be subjected to large impact force, the flow restriction plate 61 can be lifted under the action of the impact force, the effect of blocking petroleum can be achieved, and the flow rate of the petroleum is further reduced.
One side of porous connecting pipe 7 is provided with motor box 71, the inside of motor box 71 is provided with hybrid motor 72, the fixed mixed pivot 73 that is provided with on hybrid motor 72's the motor shaft, it installs on porous connecting pipe 7 to mix pivot 73 grafting rotation, it is provided with sealing ring 74 to lie in the inside bilateral symmetry of porous connecting pipe 7 in the mixed pivot 73, it is provided with a plurality of upset leaves 75 to be annular array on the mixed pivot 73, when oil and thinner contact, overturn the stirring through upset leaf 75 to the oil, the mixture of thinner and oil with higher speed, make the viscosity reduction effect faster, it is more abundant.
The middle part of fast flow tube 12 is "circular", one side of fast flow tube 12 is provided with fast flow motor 121, and the motor shaft of fast flow motor 121 is pegged graft and is installed in the inside of fast flow tube 12, is provided with fast flow wheel 122 on the motor shaft of fast flow motor 121, is the annular array on the fast flow wheel 122 and is provided with a plurality of vanes 123, can adjust the velocity of flow of oil after the viscosity reduction, and when the viscosity reduction was not sufficient, fast flow motor 121 speed reduced to guarantee the abundant interpolation of viscosity reducer.
The side of the limiting disc 91 is provided with a swing groove 90, and a swing disc 103 is inserted in the swing groove 90 and is rotatably connected through a swing shaft 104.
A viscosity reduction port 80 is formed in one side of the viscosity reduction pipe 8, a viscosity reduction valve 81 is arranged on the viscosity reduction port 80, and a connector 82 is arranged on one side of the viscosity reduction valve 81 and used for inputting a viscosity reducer.
The pump pipe 4 is provided with an oil pump 41 for providing power for the petroleum flow before viscosity reduction.
One side of the first flow measuring box 2 is provided with a first flow recording table 21, one side of the second flow measuring box 13 is provided with a second flow recording table 131, and the flow rates of the petroleum before viscosity reduction and the petroleum after viscosity reduction are measured, so that the addition of the viscosity reducer can be better controlled.
The working principle of the invention is as follows:
when the device is used, the access pipe 1 of the device is connected with an oil outlet of petroleum, the connector 82 is connected with the input end of a viscosity reducer, the opening valve 3 is opened, then the oil pump 41 in the pump pipe 4 is started, the oil pump 41 enables the petroleum to pass through the first flow measuring box 2, sequentially pass through the first steering pipe 5, the flow limiting pipe 6, the porous connecting pipe 7, the limiting barrel 11, the second steering pipe 120 and the second flow measuring box 13 and finally flow out of the outflow pipe 14;
when the oil passes through the flow restriction pipe 6, if the oil flow velocity is high, the impact force of the oil flow velocity pushes up the flow restriction plate 61, the flow restriction plate 61 blocks the oil, and the flow velocity is reduced;
when the petroleum passes through the porous connecting pipe 7, the viscosity reducer flowing out of the viscosity reducing pipe 8 is mixed with the petroleum under the action of the turning blade 75, so that the effect of reducing the viscosity of the petroleum is achieved;
when the petroleum after viscosity reduction passes through the fast flow pipe 12, the fast flow pipe 12 can regulate the flow of the petroleum;
when the petroleum is subjected to viscosity reduction through the second flow measuring box 13, the flow rate of the petroleum subjected to viscosity reduction is measured through the second flow measuring box 13, when the ratio of the flow rate of the petroleum subjected to viscosity reduction in the second flow measuring box 13 to the flow rate of the petroleum in the first flow measuring box 2 is changed, the control system controls the rotating speed of the adjusting motor 100, the rotating wheel 101 is controlled to rotate, the swinging disc 103 is controlled to swing up and down, the sliding rod 107 is further controlled to slide up and down, the flow limiting block 108 is controlled to adjust the viscosity reducing port 80, the adding speed of the viscosity reducing agent is controlled, and the viscosity reduction of the petroleum is controlled.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
And the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (8)
1. The oil field wellhead device with the multistage coupling viscosity reduction function comprises an access pipe (1) and is characterized in that one end of the access pipe (1) is connected with a first flow measuring box (2), one end of the first flow measuring box (2) is provided with an opening valve (3), one end of the opening valve (3) is provided with a pump pipe (4), one end of the pump pipe (4) is provided with a first steering pipe (5), one end of the first steering pipe (5) is provided with a flow limiting pipe (6), one end of the flow limiting pipe (6) is provided with a porous connecting pipe (7), a viscosity reducing pipe (8) is arranged above the porous connecting pipe (7), a limiting pipe (9) is arranged above the viscosity reducing pipe (8), one side of the limiting pipe (9) is provided with a limiting disc (91), a swinging disc (103) is rotatably arranged on the limiting disc (91), one end of the swinging disc (103) is an arc-shaped gear, the other end of the swinging plate (103) is in a rod shape, one end of the porous connecting pipe (7) is provided with a limiting cylinder (11), the outside of the limiting cylinder (11) is sleeved with a fixing block (111), the fixing block (111) is fixedly provided with an adjusting component (10), one end of the limiting cylinder (11) is provided with a second steering pipe (120), one end of the second steering pipe (120) is provided with a quick flow pipe (12), one end of the quick flow pipe (12) is provided with a second flow measuring box (13), and one end of the second flow measuring box (13) is provided with an outflow pipe (14);
the adjusting component (10) comprises an adjusting motor (100) fixedly arranged above the fixed block (111) and a slide bar (107) inserted in the limiting pipe (9), a rotating wheel (101) is arranged on a motor shaft of the adjusting motor (100), an adjusting rod (102) is rotatably arranged on the rotating wheel (101), one end of the adjusting rod (102) is rotationally connected with one end of the wobble plate (103), one end of the sliding rod (107) is provided with a limiting block (105), the limiting block (105) is positioned outside the limiting pipe (9), the sliding rods (107) and (108), the outside of the flow limiting block (108) is provided with a rubber ring (1081), the slide bar (107) is arranged in the viscosity reducing pipe (8) in a sliding way through a flow limiting block (108), a gear barrel (106) is fixedly arranged on the sliding rod (107), and the gear barrel (106) is connected with the other end of the swinging plate (103) through gear teeth in a meshed manner.
2. The oilfield wellhead device with the multistage coupling viscosity reduction function according to claim 1, wherein a plurality of first limiting grooves (60) are formed in the annular array inside the flow limiting pipe (6), a plurality of flow limiting plates (61) are arranged in the annular array inside the flow limiting pipe (6), one end of each flow limiting plate (61) is rotatably connected with the inside of the flow limiting pipe (6), a second limiting groove (610) is formed in one side of each flow limiting plate (61), a spring (62) is arranged between each flow limiting plate (61) and the flow limiting pipe (6), one end of each spring (62) is fixedly installed in each first limiting groove (60), the other end of each spring (62) is fixedly installed in each second limiting groove (610), and each spring (62) is located at one end, close to the access pipe (1), of each flow limiting plate (61).
3. The oilfield wellhead device with the multistage coupling viscosity reduction function according to claim 1, wherein a motor box (71) is arranged on one side of the porous connecting pipe (7), a hybrid motor (72) is arranged inside the motor box (71), a hybrid rotating shaft (73) is fixedly arranged on a motor shaft of the hybrid motor (72), the hybrid rotating shaft (73) is rotatably installed on the porous connecting pipe (7) in an inserted manner, sealing rings (74) are symmetrically arranged on two sides of the hybrid rotating shaft (73) inside the porous connecting pipe (7), and a plurality of overturning blades (75) are arranged on the hybrid rotating shaft (73) in an annular array.
4. The oilfield wellhead device with the multistage coupling viscosity reduction function according to claim 1, wherein the middle part of the fast flow pipe (12) is "circular", one side of the fast flow pipe (12) is provided with a fast flow motor (121), a motor shaft of the fast flow motor (121) is inserted and installed inside the fast flow pipe (12), a fast flow wheel (122) is arranged on the motor shaft of the fast flow motor (121), and a plurality of vanes (123) are arranged on the fast flow wheel (122) in an annular array.
5. The oilfield wellhead device with the multistage coupling viscosity reduction function according to claim 1, wherein a swing groove (90) is formed in the side face of the limiting disc (91), and the swing disc (103) is inserted into the swing groove (90) and is rotatably connected through a swing shaft (104).
6. The oilfield wellhead device with the multistage coupling viscosity reduction function according to claim 1, wherein a viscosity reduction port (80) is formed in one side of the viscosity reduction pipe (8), a viscosity reduction valve (81) is arranged on the viscosity reduction port (80), and an interface (82) is arranged on one side of the viscosity reduction valve (81).
7. The oilfield wellhead device with the multistage coupling viscosity reduction function according to claim 1, wherein an oil pump (41) is arranged on the pump pipe (4).
8. The oilfield wellhead with the multi-stage coupling viscosity reduction function according to claim 1, wherein a first flow recording table (21) is arranged on one side of the first flow measuring box (2), and a second flow recording table (131) is arranged on one side of the second flow measuring box (13).
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| CN202110771730.1A CN113250664B (en) | 2021-07-08 | 2021-07-08 | Oil field wellhead assembly with multistage coupling viscosity reduction function |
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