CN107044278A - Tandem type quantifies shear force separation gas anchor and the combination of multi-stage quantization gas anchor - Google Patents
Tandem type quantifies shear force separation gas anchor and the combination of multi-stage quantization gas anchor Download PDFInfo
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- CN107044278A CN107044278A CN201710283711.8A CN201710283711A CN107044278A CN 107044278 A CN107044278 A CN 107044278A CN 201710283711 A CN201710283711 A CN 201710283711A CN 107044278 A CN107044278 A CN 107044278A
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- outer tube
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- 238000000926 separation method Methods 0.000 title claims abstract description 76
- 238000013139 quantization Methods 0.000 title claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 55
- 239000004576 sand Substances 0.000 claims abstract description 23
- 239000012530 fluid Substances 0.000 claims abstract description 20
- 241000973497 Siphonognathus argyrophanes Species 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 238000009738 saturating Methods 0.000 claims 1
- 239000003129 oil well Substances 0.000 abstract description 8
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 239000000178 monomer Substances 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000013049 sediment Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 239000007790 solid phase Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- 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
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Degasification And Air Bubble Elimination (AREA)
Abstract
The invention provides a kind of tandem type and quantifies shear force separation gas anchor, and the multi-stage quantization gas anchor that its tandem compound is formed is combined.Relative to prior art, liquid qi leel can be achieved from purpose in the invention either interval separation (such as rod-pumped well) or continuous separation (such as electric immersible pump well and screw bolt well);When yield is high, oil-gas ratio is big, single-stage gas anchor can not separate gas clean, separation demand is realized in multiple gas anchor monomer formation combinations that can connect, can infinite stages series connection, realize gas-liquid to be kept completely separate, it is entirely liquid to enter pump fluid, the pump efficiency of oil well pump is discharged completely, and can also tandem quantization decanter type gas (sand) anchor, realize solid-liquid-gas three phase separate.
Description
Technical field
The invention belongs to the downhole tool field of oilfield production, quantifies to cut more particularly, to a kind of tandem type
Power separates gas anchor and the combination of multi-stage quantization gas anchor.
Background technology
Gas anchor is to improve the coefficient of fullness of oil well pump, improves pump efficiency and a kind of underground work under the oil well pump
Tool.In current world wide various gas anchors can not realize above-mentioned purpose, it is that can not ensure from structure point to trace it to its cause
The gas separated out enters in oily, collar-shaped space, i.e., can not confirm that gas anchor is effective.
1st, all gas anchor monomers used in current world wide cannot ensure that the gas isolated enters oil pipe, sleeve pipe
Annular space.
2nd, used gas anchor only has one-level gas-liquid separation in current world wide, it is impossible to adapt to different Liquid outputs and difference
The need for oil-gas ratio size.
Gas anchor used in 3 current world wides is only used for interrupted liquid qi leel from (such as:Rod-pumped well), it is impossible to it is used for
Continuous liquid qi leel is from (such as:Electric immersible pump well, screw bolt well).
The content of the invention
In view of this, the invention is directed to a kind of tandem type quantization shear force separation gas anchor, to solve above-mentioned technology
Problem.
What the technical scheme of the invention was realized in:
A kind of tandem type quantifies shear force separation gas anchor, including:
Gas-liquid separation box cupling, outer tube and the support joint being sequentially connected from top to bottom, the gas-liquid separation box cupling and support
Joint includes upper sleeve body, intermediate and lower body;
The lower body of gas-liquid separation box cupling is socketed the top of outer tube, and the upper sleeve body of support joint is socketed the bottom of outer tube;
The lower central of the intermediate of gas-liquid separation box cupling, which is offered, accommodates a valve in a downward opening blind hole, blind hole
Ball;
Gas-collecting cap and central tube are additionally provided with the outer tube;
The gas-collecting cap includes top connecting tube, middle part horn body and bottom discharge, and the bore of bottom discharge is big
In the bore of top connecting tube;
The top connecting tube of gas-collecting cap is socketed at blind hole lower openings, valve ball is by top connecting tube mouth of pipe support and by valve ball
The mouth of pipe is blocked, valve ball can be moved up and down in the blind hole above the connecting tube mouth of pipe of top, and the intermediate of gas-liquid separation box cupling exists
Blind hole side-walls above the connecting tube mouth of pipe of top are also provided with the venthole tilted upward, and valve ball is being lifted off by gas
During portion's connecting tube mouth of pipe, top connecting tube can be connected with venthole;
The top of the central tube is stretched into the bottom discharge of gas-collecting cap, in the lower end insertion support joint of central tube
Mesosome and mouth of pipe closure;
Further, the upper end of central tube should stretch to the top of bottom discharge, and close on horn body in the middle part of gas-collecting cap;
The intermediate of gas-liquid separation box cupling is further opened with annular space and top between the gas-collecting cap below connection and outer tube
The fluid passage of upper sleeve body inner space;
The annular space between central tube and outer tube below the lower end of gas-collecting cap bottom discharge is by a helical blade point
Every being formed as a helical duct, the inlet opening that the lower end of helical duct is opened up through support joint is in communication with the outside, helical blade
Each layer of blade body is passed through closing at central tube and respectively offer a row in the direction line parallel with central tube axial line
The air-vent row of helical blade upper and lower surface are worn, radial direction arrangement of the air-vent that each column air-vent is arranged along central tube enters one
Walk, and aperture is sequentially reduced from inside to outside;
The bottom even tube wall of central tube offers some getter seams, and the preferred mode that getter seam is opened up is to arise from center
/ 8th strong points are played in pipe lower end, terminate in the strong point of central tube 1/2nd;Preferably, the quantity of getter seam is six.Preferably,
Wherein one getter seam and air-vent row be located at it is same in the radial direction, this mode causes can by the gas that the row air-vent is arranged
Directly enter through getter seam in central tube.Preferably, the width of getter seam is less than 1 millimeter.
The length h of gas-collecting cap, should be greater than the liquid that the weight and gas-collecting cap top connecting tube orifice area of valve ball are converted
Conjunction of the pillar height degree plus valve ball and gas-collecting cap contact point to the vertical height h ' of the outlet of venthole.
The invention additionally provides a kind of multi-stage quantization gas anchor combination, can be following several forms:
Two or more tandem types including upper and lower concatenation quantify shear force separation gas anchor, the tandem type of upper level
The lower body of support joint for quantifying shear force separation gas anchor quantifies the upper sleeve body phase that shear force separates gas anchor with the tandem type of next stage
Socket;
Or, two or more tandem types including upper and lower concatenation quantify shear force separation gas anchor, the cascade of upper level
The support joint of formula weight shear force separation gas anchor is substituted by the gas-liquid separation box cupling of next stage, i.e., the tandem type of upper level quantifies to cut
The intermediate and the mouth of pipe that the central tube lower end of power separation gas anchor is directly embedded into the gas-liquid separation box cupling of next stage are blocked, upper level
Tandem type quantifies the outer tube of shear force separation gas anchor and the upper sleeve body of the gas-liquid separation box cupling of next stage is socketed, the gas-liquid point of next stage
Tandem type from the fluid passage connection upper level of the intermediate of box cupling quantifies the helical duct that shear force separates gas anchor.
Further, body connection one quantifies under the support joint that the tandem type of bottom one-level quantifies shear force separation gas anchor
Decanter type gas (sand) anchor:
Described quantization decanter type gas (sand) anchor, including:Top connection, outer tube, subsiding center pipe;
The bottom of top connection and the top of outer tube are connected, the connection on the bottom of top connection and the top of central tube;Center
Pipe sleeve forms annular space inside outer tube, and between central tube and outer tube;The lower port of outer tube is by detachable closed component
Closure;
Locate between the inwall of the top connection directly over annular space and the outer wall of outer tube, using the axle center of top connection as axle
The heart uniformly offers multiple extraneous feed liquor steam vents with annular space of connection;
The volume of annular space between central tube and outer tube is more than the volume of two oil pumping pumps stroke.
Further, the bottom of top connection is outwardly forms annular outer portion, and feed liquor steam vent is opened in its annular outer
Portion.
Further, the upper inside wall of outer tube is inwardly projecting forms annular interior protuberance, and feed liquor steam vent is opened in its annular
Interior protuberance;
Further, feed liquor steam vent is opened on an annular element, outside the inwall connection top connection bottom of the annular element
Wall, the upper inside wall of the outer wall outer sleeve for connecting of annular element.
Further, detachable closed component includes becoming buckle joint and plug, and the lower port inwall of outer tube is with becoming buckle joint
Threaded upper ends connection, become buckle joint bottom outer wall and plug opening inner thread connect.
Further, the sand sediment pipe of one and both intercommunications are also set up between change buckle joint and plug.
Relative to prior art, the invention either interval separation (such as rod-pumped well) or continuous separation are (such as electricity
Latent pump sump and screw bolt well) liquid qi leel can be achieved from purpose;When yield is high, oil-gas ratio is big, single-stage gas anchor can not be by gas
Separation is clean, and separation demand is realized in multiple gas anchor monomers formation combinations that can connect, can infinite stages series connection, realize gas-liquid complete
Separation, it is entirely liquid to enter pump fluid, and the pump efficiency of oil well pump is discharged completely, and can also tandem quantization decanter type gas (sand)
Anchor, realizes that solid-liquid-gas three phase is separated.
Brief description of the drawings
The accompanying drawing for constituting the part of the invention is used for providing further understanding the invention, present invention wound
The schematic description and description made is used to explain the invention, does not constitute the improper restriction to the invention.
In accompanying drawing:
Fig. 1 is that single tandem type quantifies the structural representation that shear force separates gas anchor;
Fig. 2 is that two tandem types quantify the multi-stage quantization gas anchor combining structure schematic diagram that shear force separation gas anchor is composed in series.
Fig. 3 is that two tandem types quantify the multi-stage quantization gas that shear force separation gas anchor adds quantization decanter type gas (sand) anchor to constitute
Anchor combining structure schematic diagram;
Fig. 4 sets up the multi-stage quantization gas anchor combining structure schematic diagram of sand sediment pipe for quantization decanter type gas (sand) anchor;
Fig. 5 is the structural representation for quantifying decanter type gas (sand) anchor;
Fig. 6 is the A-A sectional views in Fig. 5;
Fig. 7 sets up the structural representation of sand sediment pipe 27 for quantization decanter type gas (sand) anchor.
1st, gas-liquid separation box cupling;2nd, venthole;3rd, valve ball;4th, gas-collecting cap;5th, fluid passage;6th, outer tube;7th, central tube;
8th, getter is stitched;9th, helical blade;10th, support joint;11st, inlet opening;12nd, cradle;13rd, air-vent;H is the length of gas-collecting cap
Degree;H ' is valve ball 3 and the vertical height of the top outlet of the contact point of gas-collecting cap 4 to venthole 2;
21st, top connection;22nd, feed liquor steam vent;23rd, subsiding center pipe;24th, outer tube;25th, buckle joint is become;26th, plug;
27th, sand sediment pipe;28th, connecting hoop.
Embodiment
Describe the invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in figure 1, single tandem type quantifies shear force separation gas anchor, including:
Gas-liquid separation box cupling 1, outer tube 6 and the support joint 10 being sequentially connected from top to bottom, the He of gas-liquid separation box cupling 1
Support joint 10 includes upper sleeve body, intermediate and lower body;
The upper sleeve body 101 of gas-liquid separation box cupling 1 can be socketed with the body phase of trapping of the support joint 10 of oil pipe or upper level, can
, also can be under support joint 10 to be socketed the lower body of support joint 10 by the upper sleeve body of gas-liquid separation box cupling 1 as shown in Figure 2
The upper sleeve body (not shown) of body socket gas-liquid separation box cupling 1;
The screw thread of lower body 103 of gas-liquid separation box cupling 1 is socketed the top of outer tube, the upper sleeve body screw thread socket of support joint 10
The bottom of outer tube;
The lower central of the intermediate 102 of gas-liquid separation box cupling 1, which is offered, accommodates one in a downward opening blind hole, blind hole
Valve ball 3;
Gas-collecting cap 4 and central tube 7 are additionally provided with the outer tube 6;
The gas-collecting cap 4 is included in top connecting tube 41, middle part horn body and bottom discharge 43, the pipe of bottom discharge
Footpath is more than the bore of top connecting tube;
The top connecting tube 41 of gas-collecting cap 4 is socketed at blind hole lower openings, valve ball 3 can be by the mouth of pipe support of top connecting tube 41
And blocked the mouth of pipe by valve ball, valve ball 3 can be moved up and down in the blind hole above the mouth of pipe of top connecting tube 41, gas-liquid separation box cupling
1 intermediate is also provided with the venthole 2 tilted upward, and valve ball in the blind hole side-walls above the mouth of pipe of top connecting tube 41
3 by gas when being lifted off top 41 mouth of pipe of connecting tube, and top connecting tube 41 can be connected with venthole 2;
The top of the central tube 7 is stretched into the bottom discharge 43 of gas-collecting cap 4, and the lower end insertion support of central tube 7 connects
First 10 intermediate and the mouth of pipe closure;
Preferably, preferably to collect gas, the upper end of central tube 7 should stretch to the top of bottom discharge 43, and face
The nearly middle part horn body of gas-collecting cap 4;
The intermediate of gas-liquid separation box cupling 1 is further opened with annular space and top between the gas-collecting cap 4 below connection and outer tube 6
Upper sleeve body inner space fluid passage 5 (as shown in Figure 1);
The annular space between central tube and outer tube 6 below the lower end of the bottom discharge 43 of gas-collecting cap 4 is by a helical-blade
Piece is separated to form as a helical duct, and the inlet opening 11 that the lower end of helical duct is opened up through support joint 10 is in communication with the outside, spiral shell
Each layer of blade body of vane piece is closing at central tube 7 and respectively opened up in the direction line parallel with central tube axial line
There are a row to be arranged through the air-vent 13 of helical blade upper and lower surface, radial direction of the air-vent that each column air-vent is arranged along central tube
Arrange, and aperture is sequentially reduced from inside to outside, and the example that three air-vents constitute row air-vents row is given in Fig. 1.Need
Bright, each layer of blade described here does not represent the blade for layer and layer occur and is mutually not attached to, and layer here refers to from choosing
During fixed one direction line that is parallel with central tube axial line and passing through helical blade, the blade of direction line institute approach is upper and lower
The layer of arrangement.
The bottom even tube wall of central tube offers some getter seams 8, and the preferred mode that getter seam is opened up is in arising from
/ 8th strong points are played in heart pipe lower end, terminate in the strong point of central tube 1/2nd.Preferably, the quantity of getter seam is six.Preferably
, wherein getter seam and air-vent row be located at it is same in the radial direction, this mode causes the gas arranged by the row air-vent
Body directly can enter in central tube through getter seam.Preferably, the width of getter seam 8 is less than 1 millimeter.
In addition, the length h of gas-collecting cap, should be greater than weight and the orifice area institute of 4 top connecting tube of gas-collecting cap 41 of valve ball
Conjunction of the liquid-column height of conversion plus valve ball 3 and the contact point of gas-collecting cap 4 to the vertical height h ' of the outlet of venthole 2.So as to
Ensure that the gas in gas-collecting cap can push up open valve ball 3 and pass through venthole 2 into oil jacket annular space.
For example:Valve ball weight (quality, G, unit for kilogram) be 10 grams (i.e. 0.01 kilograms), the top of gas-collecting cap 4 company
The orifice area of adapter 41 (S, unit for square metre) be 1 square centimeter (i.e. 0.0001 square metre), then pushes up the minimum for opening valve ball
Pressure is 0.01 atmospheric pressure (K), and 10 meter water columns are 1 atmospheric pressure in engineering, then 0.01 atmospheric pressure converts into water column (i.e. liquid-column height
L, unit is rice) it is 10 centimetres (i.e. 0.1 meter);Formula is L=(G/S) * 10;
H ' length is 20 centimetres;
Then h must be more than L+h ' conjunction, i.e., more than 30 centimetres.
Tandem type quantify shear force separation gas anchor operation principle be:
Fluid enters the inside spin passage lower end of outer tube 6 from inlet opening 11, is formed along the outer wall of central tube 7 along helical blade 9
Helical duct rotation it is up.Under the influence of centrifugal force, the liquid in fluid close to outer tube wall, gas then close to center
Approach air-vent 13 during pipe is up, then rise to last layer through air-vent 13, if by way of getter seam, being stitched by getter
8 enter in central tube 7, enter central tube because the viscosity of gas more easily passes getter seam less than liquid from far away, and in
The inwall of heart pipe 7 is advanced into gas-collecting cap 4 on continuing, when gas pressure is more than at the weight of valve ball 3 and h ' height in gas-collecting cap 4
During head of liquid, gas top opens valve ball 3 and enters oil sets annular space from venthole 2;Liquid in fluid is along outer tube 6 and gas collection
Annular space between cap is up by the way that fluid passage 5 is into oil well pump or enters the continuation separation of upper level gas anchor.
Multi-stage quantization gas anchor is combined, and can be following several forms:
Combining form as shown in Figure 2, including two or more tandem types of upper and lower concatenation quantify shear force separation
Gas anchor, the tandem type quantization that the tandem type of upper level quantifies the lower body and next stage of the support joint 10 of shear force separation gas anchor is cut
The upper sleeve body of power separation gas anchor socket-connects;
Or combining form as shown in Figure 3, it is also that the two or more tandem types for including upper and lower concatenation quantify to cut
Power separates gas anchor, and the support joint 10 of the tandem type quantization shear force separation gas anchor of upper level is replaced by the gas-liquid separation box cupling of next stage
The central tube lower end of the tandem type quantization shear force separation gas anchor in generation, i.e. upper level is directly embedded into the gas-liquid separation box cupling of next stage
Intermediate and mouth of pipe closure, the outer tube of the tandem type quantization shear force separation gas anchor of upper level and the gas-liquid separation box cupling of next stage
Upper sleeve body is socketed, and the tandem type of the fluid passage connection upper level of the intermediate of the gas-liquid separation box cupling of next stage quantifies shear force point
From the helical duct of gas anchor.
This form saves support joint.
In addition, be enhancing solid-phase component separating effect, realize the three phase separation of gas, solid, liquid, can also as shown in figure 3,
Body connection one quantifies decanter type gas (sand) anchor under the support joint of the tandem type quantization shear force separation gas anchor of bottom one-level:
As shown in figure 5, described quantization decanter type gas (sand) anchor, including:Top connection 21, outer tube 24, subsiding center pipe 23;
The tandem type of top connection (connection) upper level of top connection 21 quantifies the support joint that shear force separates gas anchor, above connects
The outer wall of first 21 bottom is connected with the upper inside wall of outer tube 24, inwall and the subsiding center pipe 23 of the bottom of top connection 21
The outer wall connection on top;Subsiding center pipe 23 is placed on inside outer tube 24, and is formed between subsiding center pipe 23 and outer tube 24
Annular space (i.e. " annular space ");The lower port of outer tube 24 is blocked by detachable closed component.In the present embodiment, detachable closing
Component includes becoming buckle joint 25 and plug 26, and the lower port inwall of outer tube 24 is connected with becoming the threaded upper ends of buckle joint 25, is become
The bottom outer wall of buckle joint 25 is connected with the opening inner thread of plug 26, is finally blocked jointly by change buckle joint 25 and plug 26
The firmly lower ending opening of outer tube 24.
Locate between the inwall of the top connection 21 directly over annular space and the outer wall of outer tube 24, with the axle of top connection 21
The heart is that axle center uniformly offers multiple feed liquor steam vents 22, as shown in Figure 6;Feed liquor steam vent 22 both leads to as the entrance of liquid
Road, also can as gas passing away;
Feed liquor steam vent 22 can be opened in the bottom of top connection 21, the i.e. outwardly formation annular outer in bottom of top connection 21
Portion, feed liquor steam vent 22 is opened in its annular outer portion;What Fig. 5 and Fig. 6 of the present embodiment showed is such a mode.
Feed liquor steam vent 22 can also be opened in the top of outer tube 24, i.e. the upper inside wall of outer tube 24 is inwardly projecting to be formed
Annular interior protuberance, feed liquor steam vent 22 is opened in its annular interior protuberance;
Feed liquor steam vent 22 can be also opened on an annular element, inwall connection top connection 21 bottom of the annular element
Outer wall, the upper inside wall of the outer wall outer sleeve for connecting 24 of annular element.
In addition, the volume of the annular space in Fig. 5 indicated by L1 between corresponding subsiding center pipe 23 and outer tube 24 is more than two
The volume of individual oil pumping pump stroke.And this point is the optimal main points of this gas anchor effectiveness performance, specifically see lower section:
Principle Analysis:It is sliding from fluid that formation fluid is constantly in gas before decanter type gas anchor inlet opening is entered
De- state.Enter from feed liquor steam vent 22 after decanter type gas anchor annular space, when oil pumper is in down stroke, fluid, which is in, to stop
During stagnant state, the gas in the fluid in annular space between outer tube and subsiding center pipe is slipped again.Due to correspondence indicated by L1
The annular space volume of outer tube and subsiding center pipe be more than or equal to the volumes of two oil pumping pumps stroke, each stroke is by corresponding to L1
Annular space lower half liquid suction subsiding center pipe hence into oil well pump, first half liquid, which is flowed into outside lower half, gas anchor, to flow
Body enters the annular space first half again by feed liquor steam vent, and in oil well pump down stroke stagnation, gas continues to slip from fluid.
Gas slips discharged from feed liquor steam vent 22 upwards.Moving in circles makes the fluid entered every time in pump be free of gas.So as to reach
Oil well pump coefficient of fullness is high, improves pumping efficiency.
Although, outer tube body below L1 and become the space that buckle joint 25 and plug 26 collectively form can also play by
The effect that solid-phase component is separated and deposited from liquid, but because length and volume are relatively small, thus can as shown in figs. 4 and 7,
One and the sand sediment pipes 27 of the above two intercommunications can be also set up becoming between buckle joint 25 and plug 26, the top of sand sediment pipe 27 is with becoming snapping
It is by connecting hoop 28 that both are affixed between first 25 bottom, and both open butt joints connections, bottom and the plug 26 of sand sediment pipe 27
Threaded connection.Into the solid-phase component in the fluid in annular space shear force and gravity collective effect be lowered into sand sediment pipe 27 (and
Plug) in.The length of sand sediment pipe changes according to the difference of solid-phase component content.Setting up for sand sediment pipe, makes entire length and appearance
Product all has a distinct increment, enhancing separation of solid and liquid, deposition effect, and can extend the time that is intended for single use, and reduces and removes sedimentary sand bodies
Maintenance frequency.
The preferred embodiment of the invention is the foregoing is only, creation is not intended to limit the invention, it is all at this
Within the spirit and principle of innovation and creation, any modification, equivalent substitution and improvements made etc. should be included in the invention
Protection domain within.
Claims (10)
1. tandem type quantifies shear force separation gas anchor, it is characterised in that:Including:
Gas-liquid separation box cupling, outer tube and the support joint being sequentially connected from top to bottom, the gas-liquid separation box cupling and support joint
Include upper sleeve body, intermediate and lower body;
The lower body of gas-liquid separation box cupling is socketed the top of outer tube, and the upper sleeve body of support joint is socketed the bottom of outer tube;
The lower central of the intermediate of gas-liquid separation box cupling, which is offered, accommodates a valve ball in a downward opening blind hole, blind hole;
Gas-collecting cap and central tube are additionally provided with the outer tube;
The gas-collecting cap includes top connecting tube, middle part horn body and bottom discharge, and the bore of bottom discharge is more than upper
The bore of portion's connecting tube;
The top connecting tube of gas-collecting cap is socketed at blind hole lower openings, valve ball will be managed by top connecting tube mouth of pipe support and by valve ball
Mouthful closure, valve ball can move up and down in the blind hole above the connecting tube mouth of pipe of top, the intermediate of gas-liquid separation box cupling positioned at
Blind hole side-walls above the connecting tube mouth of pipe of top are also provided with the venthole tilted upward, and valve ball is being lifted off top company by gas
During connection pipe opening, top connecting tube can be connected with venthole;
The top of the central tube is stretched into the bottom discharge of gas-collecting cap, and the lower end of central tube is embedded in the intermediate of support joint
And the mouth of pipe is blocked;
The intermediate of gas-liquid separation box cupling is further opened with the annular space between the gas-collecting cap below connection and outer tube and the upper set of top
The fluid passage of body inner space;
The annular space between central tube and outer tube below the lower end of gas-collecting cap bottom discharge separates shape by a helical blade
As a helical duct, the inlet opening that the lower end of helical duct is opened up through support joint is in communication with the outside;
Each layer of blade body of helical blade is being closed at central tube and in the direction line parallel with central tube axial line
The air-vent that a row are respectively offered through helical blade upper and lower surface is arranged, radial direction of the air-vent that each column air-vent is arranged along central tube
Direction is arranged;
The bottom even tube wall of central tube offers some getter seams;
The length of gas-collecting cap, should be greater than the liquid-column height that the weight and gas-collecting cap top connecting tube orifice area of valve ball are converted
Plus the conjunction of valve ball and gas-collecting cap contact point to the vertical height of the outlet of venthole.
2. tandem type according to claim 1 quantifies shear force separation gas anchor, it is characterised in that:The upper end of central tube should be stretched into
To the top of bottom discharge, and close on horn body in the middle part of gas-collecting cap.
3. tandem type according to claim 1 quantifies shear force separation gas anchor, it is characterised in that:It is ventilative that each column air-vent is arranged
Radial direction of the hole along central tube is sequentially reduced from inside to outside.
4. tandem type according to claim 1 quantifies shear force separation gas anchor, it is characterised in that:In the opening up and arise from of getter seam
/ 8th strong points are played in heart pipe lower end, terminate in the strong point of central tube 1/2nd.
5. tandem type according to claim 1 quantifies shear force separation gas anchor, it is characterised in that:Wherein one getter is stitched and saturating
Stomata row be located at it is same in the radial direction.
6. multi-stage quantization gas anchor is combined, it is characterised in that:It is two or more such as claim 1 including upper and lower concatenation
Described tandem type quantifies shear force separation gas anchor.
7. multi-stage quantization gas anchor combination according to claim 6, it is characterised in that:The tandem type of upper level quantifies shear force point
The lower body of support joint from gas anchor socket-connects with the upper sleeve body that the tandem type quantization shear force of next stage separates gas anchor.
8. multi-stage quantization gas anchor combination according to claim 6, it is characterised in that:The tandem type of upper level quantifies shear force point
Support joint from gas anchor is substituted by the gas-liquid separation box cupling of next stage, i.e., the tandem type of upper level quantifies shear force separation gas anchor
Central tube lower end is directly embedded into the intermediate of the gas-liquid separation box cupling of next stage and the mouth of pipe is blocked, and the tandem type of upper level quantifies to cut
The upper sleeve body of the outer tube of power separation gas anchor and the gas-liquid separation box cupling of next stage is socketed, the centre of the gas-liquid separation box cupling of next stage
The tandem type of the fluid passage connection upper level of body quantifies the helical duct that shear force separates gas anchor.
9. the multi-stage quantization gas anchor combination according to claim 6 to 8 any one, it is characterised in that:In bottom one-level
Tandem type quantify shear force separation gas anchor support joint under body connection one quantify decanter type gas (sand) anchor:
Described quantization decanter type gas (sand) anchor, including:Top connection, outer tube, subsiding center pipe;
The bottom of top connection and the top of outer tube are connected, the connection on the bottom of top connection and the top of central tube;Center pipe sleeve
Annular space is formed inside outer tube, and between central tube and outer tube;The lower port of outer tube is blocked by detachable closed component;
Locate between the inwall of the top connection directly over annular space and the outer wall of outer tube, it is equal using the axle center of top connection as axle center
It is even to offer multiple extraneous feed liquor steam vents with annular space of connection;
The volume of annular space between central tube and outer tube is more than the volume of two oil pumping pumps stroke.
10. multi-stage quantization gas anchor combination according to claim 9, it is characterised in that:Detachable closed component includes variable buckle
Joint and plug, the lower port inwall of outer tube are connected with becoming the threaded upper ends of buckle joint, become the bottom outer wall and silk of buckle joint
Stifled opening inner thread connection.
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CN112627798A (en) * | 2020-12-03 | 2021-04-09 | 天津港锐石油工程科技有限公司 | Underground three-phase self-adaptive separation device |
CN118030511A (en) * | 2024-04-11 | 2024-05-14 | 新疆坤隆石油装备有限公司 | Overhead gas anchor submersible screw pump |
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Application publication date: 20170815 |