CN104818967A - Separate injector for water injection well mouth and three-pipe water injection well mouth device using separate injector - Google Patents
Separate injector for water injection well mouth and three-pipe water injection well mouth device using separate injector Download PDFInfo
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- CN104818967A CN104818967A CN201510173690.5A CN201510173690A CN104818967A CN 104818967 A CN104818967 A CN 104818967A CN 201510173690 A CN201510173690 A CN 201510173690A CN 104818967 A CN104818967 A CN 104818967A
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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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
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- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a separate injector for a water injection well mouth. The separate injector comprises a valve body and a bonnet, and is characterized by further comprising a water mouth base and a damping cross flowing water mouth, wherein the bonnet covers the valve body; a medium flowing cavity is formed between the bonnet and the valve body; a liquid inlet hole and a liquid outlet hole are formed in the top of the valve body; side liquid holes are respectively formed in the two sides of the lower part of the valve body; the liquid inlet hole is in penetrating connection with the side liquid hole at the same side; the liquid outlet hole is in penetrating connection with the side liquid hole at the same side; a liquid injection hole penetrating through the valve body is formed in the valve body; one end of the water mouth base extends into the liquid injection hole for connecting; the damping cross flowing water mouth is arranged at the other end of the water mouth base, and is provided with multiple opening holes for flowing a medium; and the medium passing through the opening holes can flow into the liquid injection hole. The separate injector for the water injection well mouth is simple in structure and convenient to use, can keep the pressure of the medium after the shunting, and quickly dredges the clogging part; and the invention further provides a three-pipe water injection well mouth device using the separate injector.
Description
Technical field
The invention belongs to technical field of petroleum machinery, particularly relate to oil field water injection wellhead dispenser and use three pipe Water injection well head devices of this dispenser.
Background technology
In the process of oil exploitation; the silting that often can run into sandstone causes crude oil to be difficult to be drawn out of; now just need to manage to get rid of silting; usually be all then divided by single tube to flow to water filling in oil well sandstone is washed open; but may bury in different rock stratum due to oil, adopt single tube water filling, the pressure that different rock-layers enters flowing water is different; cause like this dredging the sandstone in multiple rock stratum, bring difficulty to crude oil production.
Summary of the invention
In order to solve the problems of the prior art, the invention provides a kind of structure simple, easy to use, can keep shunting rear pressure medium, the water injection well dispenser of Quick dredging silting part and use three pipe Water injection well head devices of this dispenser.
In order to solve the problem, the technical solution used in the present invention is:
Water injection well dispenser, comprise valve body and valve gap, it is characterized in that: also comprise water nozzle seat and damping crossing current water nozzle, described valve gap is covered on above valve body, and between valve gap and valve body, form the cavity of medium circulation, at the top of valve body, inlet opening and fluid hole are set, side fluid apertures is respectively arranged with in valve body lower portion both sides, described inlet opening is connected with the side fluid apertures of homonymy is through, described fluid hole is connected with the side fluid apertures of homonymy is through, valve body is provided with the liquid injection hole of a through valve body, described water nozzle seat one end is stretched into liquid injection hole and is connected, described damping crossing current water nozzle is arranged on the water nozzle seat other end, damping crossing current water nozzle is provided with multiple perforate for medium circulation, the described medium through perforate can flow in liquid injection hole.
Aforesaid water injection well dispenser, it is characterized in that: the hollow circular cylinder that described damping crossing current water nozzle comprises top tapered end face and is connected with tapered end face, tapered end face is provided with four oblique perforates symmetrical around tapered end face summit, hollow circular cylinder upper side is provided with two row's STHs, each row's STH described comprises eight STHs, and described adjacent two STH spacing are identical.
Aforesaid water injection well dispenser, it is characterized in that: described inlet opening and fluid hole are symmetrical arranged, liquid injection hole is provided with between inlet opening and fluid hole, and inlet opening, fluid hole and liquid injection hole are on same straight line, described two side fluid apertures are symmetrical arranged, and two side fluid apertures are located on the same line.
Aforesaid water injection well dispenser, it is characterized in that: described water nozzle seat is that hollow is arranged, described water nozzle seat two ends are respectively arranged with external screw thread, liquid injection hole inner arm is provided with internal thread, damping crossing current water nozzle hollow circular cylinder inwall is provided with internal thread, the external screw thread of described water nozzle seat one end is connected with liquid injection hole screw-internal thread fit, and the external screw thread of the described water nozzle seat other end is connected with the screw-internal thread fit of hollow circular cylinder.
Aforesaid water injection well dispenser, is characterized in that: between water nozzle seat and liquid injection hole inwall, be provided with multiple O RunddichtringO sealed, and is provided with multiple O RunddichtringO sealed between valve body and valve gap inside.
Aforesaid water injection well dispenser, is characterized in that: described three strands of media respectively by inlet opening, fluid hole and liquid injection hole flow through direction and are parallel to each other in valve body.
Aforesaid water injection well dispenser, is characterized in that: in valve body, and described liquid injection hole end through connection one through hole, the diameter of described through hole is greater than the diameter of liquid injection hole.
Three pipe Water injection well head devices of aforesaid this dispenser of use, it is characterized in that: comprise three way cock, middle cross valve, lower cross valve, upper dispenser, middle dispenser, lower dispenser and side flange, described upper three way cock, middle cross valve is connected successively with lower cross valve, described upper dispenser is connected with upper three way cock by side flange, described middle dispenser is connected with middle cross valve by side flange, described lower dispenser is connected with lower cross valve by side flange, described upper dispenser is connected by liquid injection pipe with between middle dispenser, be connected by liquid injection pipe between described middle dispenser with lower dispenser, described lower dispenser is connected by liquid injection pipe with high pressure feed liquor equipment.
Three pipe Water injection well head devices of aforesaid this dispenser of use, it is characterized in that: also comprise theft-proof gate valve, thread flange, first upper flange, second upper flange and lower flange, described upper three way cock upper end is provided with theft-proof gate valve, described theft-proof gate valve upper end is provided with thread flange, the lower end of described upper three way cock is provided with the first upper flange, the lower end of the first upper flange is provided with oil pipe seat, the lower end of oil pipe seat is fixedly connected with the upper end of middle cross valve, the inside wall of oil pipe seat is provided with the first tubing hanger, the lower end of middle cross valve is provided with the second upper flange, the lower end of the second upper flange is fixedly connected with lower cross valve, the second tubing hanger is fixed with at the port inside wall place, upper end of lower cross valve, lower flange is fixedly connected with in the lower end of lower cross valve, described upper three way cock, middle cross valve and be provided with theft-proof gate valve between cross valve and corresponding side flange down, first tubing hanger and the second tubing hanger are all fixed with tubing nipple.
Three pipe Water injection well head devices of aforesaid this dispenser of use, it is characterized in that: the through hole of described upper dispenser is communicated with corresponding side flange, the through hole of described middle dispenser is communicated with corresponding side flange, and the through hole of described lower dispenser is communicated with corresponding side flange.
The beneficial effect that the present invention reaches: dispenser structure of the present invention arranges inlet opening and fluid hole at the top of valve body, side fluid apertures is respectively arranged with in valve body lower portion both sides, valve body is provided with the liquid injection hole of a through valve body, described water nozzle seat one end is stretched into liquid injection hole and is connected, described damping crossing current water nozzle is arranged on the water nozzle seat other end, damping crossing current water nozzle is provided with multiple perforate for medium circulation, in valve body, described liquid injection hole end through connection one through hole, the diameter of described through hole is greater than the diameter of liquid injection hole.Described upper dispenser is connected by liquid injection pipe with between middle dispenser, is connected between described middle dispenser with lower dispenser by liquid injection pipe, and described lower dispenser is connected by liquid injection pipe with high pressure feed liquor equipment.
When water under high pressure injects, the water of liquid injection pipe conveying is flowed into by one of them side fluid apertures of lower dispenser, and then flow in cavity by through inlet opening, when the cavity is filled up, due to damping crossing current water nozzle being provided with perforate, enter liquid injection hole by perforate water filling then to flow in through hole, and another strand of current pass through fluid hole, the side fluid apertures of recycling opposite side flows in liquid injection pipe, in feeding in dispenser, current can continue to deliver in current divider in this way, because damping crossing current water nozzle setting direction is mutually vertical with the direction of liquid injection pipe current, and the perforate that damping is flow on water nozzle is very little, water nozzle has damping action, the water yield entering liquid injection hole is controlled, the water flow pressure being delivered to next dispenser like this by fluid hole is basically identical with the water flow pressure of carrying at the beginning, can not change.
The dispenser of the present invention three pipe Water injection well head device has upper water knockout drum, middle injector and lower injector three, and water nozzle adopts crossing current water nozzle.During water filling, the medium having pumping plant to send here is through pipeline, dispenser is connected with three passages of Water injection well head device respectively, when needs by which passage to underground water-injection time, the valve on this passage can be opened, namely by this passage to underground water-injection, when three passages need water filling simultaneously, open the valve on three passages, now, the pressure medium pipeline of pumping plant is all communicated with three passages of wellhead assembly by three dispensers, because dispenser is designed to three passages, i.e. inlet opening, fluid hole and liquid injection hole three passages, to communicate with pressure medium pipeline because inlet opening and fluid hole two passages communicate, and centre note fluid apertures passage is provided with the damping crossing current water nozzle of 20 apertures (perforate), play the effect distributing injection flow, steady pressure, working stability is reliable, reaches object and the effect that water filling be in charge of by three pipes.
Accompanying drawing explanation
Fig. 1 is dispenser structural representation of the present invention.
Fig. 2 is the structural representation of the present invention three pipe Water injection well head device.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
As shown in Figure 1, water injection well dispenser, comprise valve body 1, valve gap 2, water nozzle seat 3 and damping crossing current water nozzle 4, described valve gap 2 is covered on above valve body 1, and between valve gap 2 and valve body 1, form the cavity 5 that medium circulates, inlet opening 6 and fluid hole 7 are set at the top of valve body 1, side fluid apertures 8 is respectively arranged with in both sides, valve body 1 bottom, described inlet opening 6 is connected with the side fluid apertures 8 of homonymy is through, described fluid hole 7 is connected with the side fluid apertures 8 of homonymy is through, valve body 1 is provided with the liquid injection hole 9 of a through valve body, inlet opening 6 and fluid hole 7 are symmetrical arranged, liquid injection hole 9 is between inlet opening 6 and fluid hole 7, and inlet opening 6, fluid hole 7 and liquid injection hole 9 are on same straight line, and two side fluid apertures 8 are symmetrical arranged, and two side fluid apertures 8 are located on the same line.Described water nozzle seat 4 one end is stretched into liquid injection hole 9 and is connected, described damping crossing current water nozzle 4 is arranged on water nozzle seat 3 other end, damping crossing current water nozzle 4 is provided with multiple perforate for medium circulation, the described medium through perforate can flow in liquid injection hole 9, in valve body 1, described liquid injection hole 9 end through connection one through hole 14, the diameter of described through hole 14 is greater than the diameter of liquid injection hole 9.During design, three strands of media respectively by inlet opening 6, fluid hole 7 and liquid injection hole 9 flow through direction and are parallel to each other in valve body 1.
During design, the hollow circular cylinder 11 that described damping crossing current water nozzle 4 comprises top tapered end face 10 and is connected with tapered end face 10, tapered end face 10 is provided with four oblique perforates 12 symmetrical around tapered end face 10 summit, hollow circular cylinder 11 upper side is provided with two row's STHs, each row's STH described comprises eight STHs 13, and described adjacent two STH 13 spacing are identical.
During design, described water nozzle seat 3 is hollow setting, described water nozzle seat 3 two ends are respectively arranged with external screw thread, liquid injection hole 9 inner arm is provided with internal thread, damping crossing current water nozzle 4 hollow circular cylinder 11 inwall is provided with internal thread, the external screw thread of described water nozzle seat 3 one end is connected with liquid injection hole 9 screw-internal thread fit, and the external screw thread of described water nozzle seat 3 other end is connected with the screw-internal thread fit of hollow circular cylinder 11.Between water nozzle seat 3 and liquid injection hole 9 inwall, be provided with multiple O RunddichtringO 15 sealed, between valve body 1 and valve gap 2 inside, be provided with multiple O RunddichtringO 15 sealed.
Use three pipe Water injection well head devices of this dispenser, comprise three way cock 16, middle cross valve 17, lower cross valve 18, upper dispenser 19, middle dispenser 20, lower dispenser 21, side flange 30, theft-proof gate valve 31, thread flange 23, first upper flange 24, second upper flange 25 and lower flange 26, upper three way cock 16 upper end is provided with theft-proof gate valve 31, described theft-proof gate valve 31 upper end is provided with thread flange 23, the lower end of described upper three way cock 16 is provided with the first upper flange 24, the lower end of the first upper flange 24 is provided with oil pipe seat, the lower end of oil pipe seat is fixedly connected with the upper end of middle cross valve 17, the inside wall of oil pipe seat is provided with the first tubing hanger 27, the lower end of middle cross valve 17 is provided with the second upper flange 25, the lower end of the second upper flange 25 is fixedly connected with lower cross valve 18, the second tubing hanger 28 is fixed with at the port inside wall place, upper end of lower cross valve 18, lower flange 16 is fixedly connected with in the lower end of lower cross valve 18, described upper dispenser 19 is connected with upper three way cock 16 by side flange 30, described middle dispenser 20 is connected with middle cross valve 17 by side flange 30, described lower dispenser 21 is connected with lower cross valve 18 by side flange 30, be connected by liquid injection pipe 22 between described upper dispenser 19 with middle dispenser 20, be connected by liquid injection pipe 22 between described middle dispenser 20 with lower dispenser 21, described lower dispensing 21 device is connected by liquid injection pipe 22 with high pressure feed liquor equipment.During design, the through hole 14 of upper dispenser 19 is communicated with corresponding side flange 30, and the through hole 14 of described middle dispenser 20 is communicated with corresponding side flange 30, and the through hole 14 of described lower dispenser 21 is communicated with corresponding side flange 30.At upper three way cock 16, middle cross valve 17 be provided with theft-proof gate valve 21 between lower cross valve 18 and corresponding side flange 30, the first tubing hanger 27 and the second tubing hanger 28 are all fixed with tubing nipple 29.
In sum, dispenser structure of the present invention arranges inlet opening 6 and fluid hole 7 at the top of valve body 1, side fluid apertures 8 is respectively arranged with in both sides, valve body 1 bottom, valve body 1 is provided with 1 liquid injection hole 9 of a through valve body, described water nozzle seat 3 one end is stretched into liquid injection hole 9 and is connected, described damping crossing current water nozzle 4 is arranged on water nozzle seat 3 other end, damping crossing current water nozzle 4 is provided with multiple perforate for medium circulation, in valve body 1, described liquid injection hole 9 end through connection one through hole 14, the diameter of described through hole 14 is greater than the diameter of liquid injection hole.Be connected by liquid injection pipe 22 between described upper dispenser 19 with middle dispenser 20, described middle dispenser 20 is connected by liquid injection pipe 22 with between lower dispenser 21, and described lower dispenser 21 is connected by liquid injection pipe 22 with high pressure feed liquor equipment.
When water under high pressure injects, the water of liquid injection pipe conveying is flowed into by one of them side fluid apertures 8 of lower dispenser 21, and then flow in cavity 5 by through inlet opening 6, when cavity 5 is full of, due to damping crossing current water nozzle 4 being provided with perforate, enter liquid injection hole 9 by perforate water filling then to flow in through hole 14, and another strand of current are by fluid hole 7, the side fluid apertures 8 of recycling opposite side flows in liquid injection pipe 22, in sending into again in dispenser 20, current can continue to deliver in current divider 19 in this way, because damping crossing current water nozzle 4 setting direction is mutually vertical with the direction of liquid injection pipe 22 current, and the perforate that damping is flow on water nozzle 4 is very little, water nozzle has damping action, the water yield entering liquid injection hole 9 is controlled, the water flow pressure being delivered to next dispenser like this by fluid hole 7 is basically identical with the water flow pressure of carrying at the beginning, can not change.
The dispenser of the present invention three pipe Water injection well head device has upper water knockout drum 19, middle injector 20 and lower injector 21 3, and water nozzle adopts crossing current water nozzle.During water filling, the medium having pumping plant to send here is through pipeline, dispenser is connected with three passages of Water injection well head device respectively, when needs by which passage to underground water-injection time, the valve on this passage can be opened, namely by this passage to underground water-injection, when three passages need water filling simultaneously, open the valve on three passages, now, the pressure medium pipeline of pumping plant is all communicated with three passages of wellhead assembly by three dispensers, because dispenser is designed to three passages, i.e. inlet opening 6, fluid hole 7 and liquid injection hole 9 three passages, to communicate with pressure medium pipeline because inlet opening 6 and fluid hole 7 two passages communicate, and centre note fluid apertures 9 passage is provided with the damping crossing current water nozzle of 20 apertures (perforate), play the effect distributing injection flow, steady pressure, working stability is reliable, reaches object and the effect that water filling be in charge of by three pipes.
More than show and describe general principle of the present invention, principal character and advantage.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and manual just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (10)
1. water injection well dispenser, comprise valve body and valve gap, it is characterized in that: also comprise water nozzle seat and damping crossing current water nozzle, described valve gap is covered on above valve body, and between valve gap and valve body, form the cavity of medium circulation, at the top of valve body, inlet opening and fluid hole are set, side fluid apertures is respectively arranged with in valve body lower portion both sides, described inlet opening is connected with the side fluid apertures of homonymy is through, described fluid hole is connected with the side fluid apertures of homonymy is through, valve body is provided with the liquid injection hole of a through valve body, described water nozzle seat one end is stretched into liquid injection hole and is connected, described damping crossing current water nozzle is arranged on the water nozzle seat other end, damping crossing current water nozzle is provided with multiple perforate for medium circulation, the described medium through perforate can flow in liquid injection hole.
2. water injection well dispenser according to claim 1, it is characterized in that: the hollow circular cylinder that described damping crossing current water nozzle comprises top tapered end face and is connected with tapered end face, tapered end face is provided with four oblique perforates symmetrical around tapered end face summit, hollow circular cylinder upper side is provided with two row's STHs, each row's STH described comprises eight STHs, and described adjacent two STH spacing are identical.
3. water injection well dispenser according to claim 2, it is characterized in that: described inlet opening and fluid hole are symmetrical arranged, liquid injection hole is provided with between inlet opening and fluid hole, and inlet opening, fluid hole and liquid injection hole are on same straight line, described two side fluid apertures are symmetrical arranged, and two side fluid apertures are located on the same line.
4. water injection well dispenser according to claim 3, it is characterized in that: described water nozzle seat is that hollow is arranged, described water nozzle seat two ends are respectively arranged with external screw thread, liquid injection hole inner arm is provided with internal thread, damping crossing current water nozzle hollow circular cylinder inwall is provided with internal thread, the external screw thread of described water nozzle seat one end is connected with liquid injection hole screw-internal thread fit, and the external screw thread of the described water nozzle seat other end is connected with the screw-internal thread fit of hollow circular cylinder.
5. water injection well dispenser according to claim 4, is characterized in that: between water nozzle seat and liquid injection hole inwall, be provided with multiple O RunddichtringO sealed, and is provided with multiple O RunddichtringO sealed between valve body and valve gap inside.
6. water injection well dispenser according to claim 5, is characterized in that: described three strands of media respectively by inlet opening, fluid hole and liquid injection hole flow through direction and are parallel to each other in valve body.
7. water injection well dispenser according to claim 6, is characterized in that: in valve body, and described liquid injection hole end through connection one through hole, the diameter of described through hole is greater than the diameter of liquid injection hole.
8. three pipe Water injection well head devices of arbitrary this dispenser of use according to claim 1-7, it is characterized in that: comprise three way cock, middle cross valve, lower cross valve, upper dispenser, middle dispenser, lower dispenser and side flange, described upper three way cock, middle cross valve is connected successively with lower cross valve, described upper dispenser is connected with upper three way cock by side flange, described middle dispenser is connected with middle cross valve by side flange, described lower dispenser is connected with lower cross valve by side flange, described upper dispenser is connected by liquid injection pipe with between middle dispenser, be connected by liquid injection pipe between described middle dispenser with lower dispenser, described lower dispenser is connected by liquid injection pipe with high pressure feed liquor equipment.
9. three pipe Water injection well head devices of this dispenser of use according to claim 8, it is characterized in that: also comprise theft-proof gate valve, thread flange, first upper flange, second upper flange and lower flange, described upper three way cock upper end is provided with theft-proof gate valve, described theft-proof gate valve upper end is provided with thread flange, the lower end of described upper three way cock is provided with the first upper flange, the lower end of the first upper flange is provided with oil pipe seat, the lower end of oil pipe seat is fixedly connected with the upper end of middle cross valve, the inside wall of oil pipe seat is provided with the first tubing hanger, the lower end of middle cross valve is provided with the second upper flange, the lower end of the second upper flange is fixedly connected with lower cross valve, the second tubing hanger is fixed with at the port inside wall place, upper end of lower cross valve, lower flange is fixedly connected with in the lower end of lower cross valve, described upper three way cock, middle cross valve and be provided with theft-proof gate valve between cross valve and corresponding side flange down, first tubing hanger and the second tubing hanger are all fixed with tubing nipple.
10. three pipe Water injection well head devices of this dispenser of use according to claim 9, it is characterized in that: the through hole of described upper dispenser is communicated with corresponding side flange, the through hole of described middle dispenser is communicated with corresponding side flange, and the through hole of described lower dispenser is communicated with corresponding side flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510173690.5A CN104818967B (en) | 2015-04-13 | 2015-04-13 | Water injection well dispenser and the three pipe Water injection well head devices using the dispenser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510173690.5A CN104818967B (en) | 2015-04-13 | 2015-04-13 | Water injection well dispenser and the three pipe Water injection well head devices using the dispenser |
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| Publication Number | Publication Date |
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| CN104818967A true CN104818967A (en) | 2015-08-05 |
| CN104818967B CN104818967B (en) | 2018-01-05 |
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Cited By (3)
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| CN105525898A (en) * | 2016-01-14 | 2016-04-27 | 南京伟业机械有限公司 | Adjustable water injection dispenser used for water injection well head |
| CN111395987A (en) * | 2019-01-03 | 2020-07-10 | 中国石油天然气股份有限公司 | Water injection well Christmas tree and water injection method |
| CN115075788A (en) * | 2022-07-11 | 2022-09-20 | 太原理工大学 | Automatic water injection well head device of coal bed gas |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105525898A (en) * | 2016-01-14 | 2016-04-27 | 南京伟业机械有限公司 | Adjustable water injection dispenser used for water injection well head |
| CN111395987A (en) * | 2019-01-03 | 2020-07-10 | 中国石油天然气股份有限公司 | Water injection well Christmas tree and water injection method |
| CN111395987B (en) * | 2019-01-03 | 2022-08-30 | 中国石油天然气股份有限公司 | Water injection well Christmas tree and water injection method |
| CN115075788A (en) * | 2022-07-11 | 2022-09-20 | 太原理工大学 | Automatic water injection well head device of coal bed gas |
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| Publication number | Publication date |
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| CN104818967B (en) | 2018-01-05 |
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Inventor after: Lu Jun Inventor after: Dai Jiabin Inventor after: Hou Chuangan Inventor after: Lv Kejian Inventor before: Dai Jiabin Inventor before: Lu Jun Inventor before: Hou Chuangan Inventor before: Lv Kejian |
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