CN205605157U - Seperated layer water injection wellhead assembly - Google Patents
Seperated layer water injection wellhead assembly Download PDFInfo
- Publication number
- CN205605157U CN205605157U CN201620440947.9U CN201620440947U CN205605157U CN 205605157 U CN205605157 U CN 205605157U CN 201620440947 U CN201620440947 U CN 201620440947U CN 205605157 U CN205605157 U CN 205605157U
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- CN
- China
- Prior art keywords
- water injection
- hanger
- spacer flanger
- jackscrew
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses seperated layer water injection wellhead assembly includes the spacer flanger, and the center of spacer flanger is provided with the hanger mounting hole, is provided with the hanger in the hanger mounting hole, and along radially seting up the jackscrew component Assembly hole that communicates with the hanger mounting hole, the downthehole cooperation of jackscrew component Assembly is connected with the jackscrew subassembly on the spacer flanger, and the hanger passes through the jackscrew subassembly to be fixed in the spacer flanger, has seted up the water injection hole on the spacer flanger, and the water injection hole does not communicate with the hanger mounting hole, the utility model discloses can realize under the prerequisite that does not change original wellhead assembly structure to different oil reservoir water injections in the pit, simple structure, it is easy and simple to handle.
Description
Technical field
This utility model relates to a kind of wellhead assembly, particularly relates to a kind of water filling device for keeping or improve formation pressure.
Background technology
After oil field puts into exploitation, along with the growth of recovery time, the energy of oil reservoir own will constantly be consumed, and cause formation pressure
Constantly declining, underground crude oil deaerates in a large number, and viscosity increases, and oil well output greatly reduces, and even stop-spraying can stop production, causes ground
The lower a large amount of dead oil of residual can not be adopted out.Underground in order to be caused after making up crude oil extraction is in debt, keeps or improves formation pressure,
Realize oil field stable high yield, and obtain higher recovery ratio, it is necessary to oil reservoir each to oil field carries out water filling.
Existing water flooding regime is for utilizing existing wellhead assembly for oil-bearing stratum flooding, and existing wellhead assembly includes tubing head assembly and fixes
Being connected to the production tree above tubing head assembly, tubing head assembly includes tubing head four-way and is suspended on tubing head by jackscrew assembly
Hanger assembly within four-way, hanger assembly connects an oil pipe, oil pipe internal water flooding, is only an oil reservoir note every time
Water, if wanting for different oil-bearing stratum floodings, to need additionally to increase wellhead assembly, cumbersome.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of seperated layer water injection well head device, its simple in construction, easy and simple to handle,
It can be down-hole difference oil-bearing stratum flooding simultaneously.
This utility model seperated layer water injection well head device, including spacer flanger, the hanger that is provided centrally with of described spacer flanger is installed
Hole, is provided with hanger in described hanger installing hole, described spacer flanger radially offers and described hanger installing hole
The jackscrew assembly pilot hole of connection, is connected with jackscrew assembly in described jackscrew assembly pilot hole, and described hanger is by described
Jackscrew assembly is fixed in spacer flanger, and described spacer flanger offers water injection hole, and described water injection hole is not pacified with described hanger
The connection of dress hole.
This utility model seperated layer water injection well head device, wherein said spacer flanger extenal fixation connects external screw thread pipe nipple, described outer spiral shell
Stricture of vagina pipe nipple connects with described water injection hole.
This utility model seperated layer water injection well head device, the upper surface of wherein said spacer flanger is provided with groove, sets in described groove
Put gasket ring.
This utility model seperated layer water injection well head device, wherein said jackscrew assembly include jackscrew, described jackscrew include head and with head
The bar portion that portion is integrally formed, described head is coniform, and threaded with described jackscrew assembly pilot hole in described bar portion, described top
The bar portion outer surface of silk is set with filler, pressure cap, and the both sides of described filler are provided with Packing seat, and described pressure cap is positioned at Packing seat
Right side, described pressure cap is threadeded with described jackscrew assembly pilot hole.
This utility model seperated layer water injection well head device, the most also includes multiple stud, during each described stud both passes through
Between flange and its two ends are the most threaded nut.
This utility model seperated layer water injection well head device, is provided with between outer wall and the described hanger installing hole of wherein said hanger
O RunddichtringO.
This utility model seperated layer water injection well head device difference from prior art is that this utility model includes spacer flanger, described
Spacer flanger be provided centrally with hanger installing hole, be provided with hanger in described hanger installing hole, on described spacer flanger
Radially offer the jackscrew assembly pilot hole connected with described hanger installing hole, be connected in described jackscrew assembly pilot hole
Having jackscrew assembly, described hanger is fixed in spacer flanger by described jackscrew assembly, and described spacer flanger offers water filling
Hole, described water injection hole does not connects with described hanger installing hole, simple in construction；During use, this utility model is arranged on former well
Between tubing head assembly and the production tree of mouth device, the lower end of hanger of the present utility model is placed in original tubing head assembly suspension
In device, connected pipes below hanger of the present utility model, can be an oil-bearing stratum flooding, meanwhile, this oil-pipe external wall inside oil pipe
Have gap between the tube inner wall being connected with former wellhead assembly hanger, water injection hole access waterflood-transmission line, water along water injection hole,
Clearance flow enters, and can be that another oil-bearing stratum flooding, i.e. this utility model can be embodied as different oil-bearing stratum flooding, easy and simple to handle.
Below in conjunction with the accompanying drawings seperated layer water injection well head device of the present utility model is described further.
Accompanying drawing explanation
Fig. 1 is the schematic top plan view of this utility model seperated layer water injection well head device；
Fig. 2 is the sectional view in Fig. 1 along A-A；
Fig. 3 is the sectional view in Fig. 1 along B-B；
Fig. 4 is the top view of the spacer flanger in this utility model；
Fig. 5 is the main TV structure schematic diagram of jackscrew assembly in this utility model；
Fig. 6 is the use state diagram of this utility model seperated layer water injection well head device；
Fig. 7 is flow direction figure during this utility model use.
Detailed description of the invention
Shown in Fig. 1, Fig. 4, this utility model seperated layer water injection well head device includes spacer flanger 2, the center of spacer flanger 2
Being provided with hanger installing hole 21, be provided with hanger 5 in hanger installing hole 21, hanger 5 inwall is threaded, and is used for
It is connected with oil pipe, spacer flanger 2 radially offers the jackscrew assembly pilot hole 22 connected with hanger installing hole 21, top
Being connected with jackscrew assembly 3 in silk assembly pilot hole 22, hanger 5 is fixed in spacer flanger 2 by jackscrew assembly 3,
The outer wall of hanger 5 is stepped, and the inner wall shape of spacer flanger 2 adapts with the outer wall of hanger 5, and hanger 5 can
Being stuck in the inwall not play of spacer flanger 2, jackscrew assembly 3 can be by solid for the locking of relative with spacer flanger 2 for hanger 5 position
Fixed, the spacer flanger 2 in this utility model is plate-type flange, and spacer flanger 2 is disc-shape, and spacer flanger 2 offers
Water injection hole 23, water injection hole 23 extends to the lower surface of spacer flanger 2 from the periphery of spacer flanger 2, and water injection hole 23 is not with outstanding
Hanging device installing hole 21 connects.
Shown in Fig. 1, Fig. 2, spacer flanger 2 extenal fixation connects external screw thread pipe nipple 1, external screw thread pipe nipple 1 and water injection hole
23 connections, external screw thread pipe nipple 1 is for being connected with waterflood-transmission line, and after accessing waterflood-transmission line, Herba Scirpi Tabernaemontani external screw thread pipe nipple 1 flows into water filling
In hole 23.
Shown in Fig. 1 and Fig. 2, the upper surface of spacer flanger 2 is provided with groove 24, arranges gasket ring 4 in groove 24.
Shown in Fig. 3 and Fig. 5, jackscrew assembly pilot hole 22 includes three sections, left, center, right, and three sections of diameters are different and increase piecemeal
Greatly, left section and right section is provided with screw thread, and jackscrew assembly 3 includes that jackscrew 31, jackscrew 31 include head and be integrally formed with head
Bar portion, head is coniform, threadeds for left section of bar portion and jackscrew assembly pilot hole 22, the bar portion outer surface of jackscrew 31
Being set with filler 32, pressure cap 34, the both sides of filler 32 are provided with Packing seat 33, filler 32 and Packing seat 33 and are arranged on top
The stage casing of silk assembly pilot hole 22, pressure cap 34 is positioned at the right side of Packing seat 33, pressure cap 34 and the right side of jackscrew assembly pilot hole 22
Section is threaded.
As shown in Figure 4, spacer flanger 2 being provided with multiple vertical through hole 25, through hole 25 is avoided water injection hole 23 and is arranged, knot
Close shown in Fig. 1, Fig. 2 and Fig. 4, this utility model also including, multiple stud 6, each stud 6 both pass through centre
Vertical through hole 25 that flange 2 is arranged and its two ends are the most threaded nut 7.
As in figure 2 it is shown, be provided with O RunddichtringO 8 between the outer wall of hanger 5 and hanger installing hole 21.
In this utility model, the number of jackscrew assembly 3 is 4, and external screw thread pipe nipple 1, at least provided with 1, is 2 in the present embodiment
Individual.
During use, this utility model is contained in the middle of existing wellhead assembly, external screw thread pipe nipple 1 accesses waterflood-transmission line,
Easy and simple to handle.As shown in Figure 6, existing wellhead assembly includes tubing head assembly 10 ' and production tree 20 ', tubing head assembly 10 '
Built with hanger 5 ', oil pipe 30 ' outside hanger 5 ' connection, this utility model is arranged on tubing head assembly 10 ' and recovers the oil
Between tree 20 ', the upper surface of spacer flanger 2 is fixing with production tree 20 ' to be connected, and the lower surface of spacer flanger 2 is total with tubing head
Becoming 10 ' fixing connections, by oil pipe 30 inside the lower section connection of hanger 5 of the present utility model, inner side oil pipe 30 can be one
Individual oil-bearing stratum flooding, the lower end of hanger 5 is positioned at hanger 5 ', and inner side oil pipe 30 is positioned at outside oil pipe 30 ', such as Fig. 7
Shown in, when accessing waterflood-transmission line from external screw thread pipe nipple 1, water can from external screw thread pipe nipple 1, water injection hole 23, inner side oil pipe 30 with
Gap between the oil pipe 30 ' of outside is flowed out, and for another oil-bearing stratum flooding, the inside and outside equal of inner side oil pipe 30 can water filling, i.e. profit
Seperated layer water injection can be simultaneously for multiple oil-bearing stratum floodings can be realized with this utility model.As it is shown in fig. 7, the direction of arrow is in figure
Flow direction outside oil pipe inside during water filling.
Embodiment described above is only to be described preferred implementation of the present utility model, not to of the present utility model
Scope is defined, and on the premise of without departing from this utility model design spirit, those of ordinary skill in the art are to this utility model
The various deformation made of technical scheme and improvement, all should fall in the protection domain that this utility model claims determine.
Claims (6)
1. a seperated layer water injection well head device, it is characterised in that: include spacer flanger (2), in described spacer flanger (2)
The heart is provided with hanger installing hole (21), is provided with hanger (5), described spacer flanger in described hanger installing hole (21)
(2) jackscrew assembly pilot hole (22) connected with described hanger installing hole (21), described jackscrew group are radially offered on
Being connected with jackscrew assembly (3) in part pilot hole (22), described hanger (5) is fixed by described jackscrew assembly (3)
In spacer flanger (2), described spacer flanger (2) offering water injection hole (23), described water injection hole (23) is not with described
Hanger installing hole (21) connects.
Seperated layer water injection well head device the most according to claim 1, it is characterised in that: described spacer flanger (2) extenal fixation
Connecting has external screw thread pipe nipple (1), described external screw thread pipe nipple (1) to connect with described water injection hole (23).
Seperated layer water injection well head device the most according to claim 2, it is characterised in that: the upper end of described spacer flanger (2)
Face is provided with groove (24), arranges gasket ring (4) in described groove (24).
Seperated layer water injection well head device the most according to claim 3, it is characterised in that: described jackscrew assembly (3) includes top
Silk (31), described jackscrew (31) includes head and the bar portion being integrally formed with head, and described head is coniform, described bar portion
Threadeding with described jackscrew assembly pilot hole (22), the bar portion outer surface of described jackscrew (31) is set with filler (32), pressure
Cap (34), the both sides of described filler (32) are provided with Packing seat (33), and described pressure cap (34) is positioned at Packing seat (33)
Right side, described pressure cap (34) is threadeded with described jackscrew assembly pilot hole (22).
Seperated layer water injection well head device the most according to claim 4, it is characterised in that: also include multiple stud (6),
Each described stud (6) both passes through spacer flanger (2) and its two ends are the most threaded nut (7).
Seperated layer water injection well head device the most according to claim 5, it is characterised in that: the outer wall of described hanger (5) with
It is provided with O RunddichtringO (8) between described hanger installing hole (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620440947.9U CN205605157U (en) | 2016-05-13 | 2016-05-13 | Seperated layer water injection wellhead assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620440947.9U CN205605157U (en) | 2016-05-13 | 2016-05-13 | Seperated layer water injection wellhead assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205605157U true CN205605157U (en) | 2016-09-28 |
Family
ID=56967545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620440947.9U Active CN205605157U (en) | 2016-05-13 | 2016-05-13 | Seperated layer water injection wellhead assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205605157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113060637A (en) * | 2021-03-18 | 2021-07-02 | 淮阴工学院 | Connecting component of Christmas tree |
-
2016
- 2016-05-13 CN CN201620440947.9U patent/CN205605157U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113060637A (en) * | 2021-03-18 | 2021-07-02 | 淮阴工学院 | Connecting component of Christmas tree |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |