CN204646168U - Multilateral Wells electric submersible pump device for well heads - Google Patents
Multilateral Wells electric submersible pump device for well heads Download PDFInfo
- Publication number
- CN204646168U CN204646168U CN201520306531.3U CN201520306531U CN204646168U CN 204646168 U CN204646168 U CN 204646168U CN 201520306531 U CN201520306531 U CN 201520306531U CN 204646168 U CN204646168 U CN 204646168U
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- Prior art keywords
- hanger
- submersible pump
- electric submersible
- slips
- casing
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Abstract
The utility model discloses a kind of Multilateral Wells electric submersible pump device for well heads.Multilateral Wells electric submersible pump device for well heads comprises casing head device, tubing head device and control valve line apparatus, described casing head device comprises sleeve pipe, casing head housing, jackscrew assembly, casing hanger, described casing hanger is located on described sleeve outer wall, it is outside that described casing head housing is arranged on described casing hanger, described jackscrew assembly is embedded at described casing head housing, and described casing hanger comprises slips, bushing, upper backup pad and lower supporting plate.This structural casing head is designed with load separating mechanism; the fluid power proof load that hanger primary seal is born does not produce with slips hanging load and superposes; effectively protect sleeve pipe; the sealing of casing hanger mainly relies on sleeve pipe to conduct oneself with dignity and realizes self-excitation sealing, ensure that the sealing of casing hanger under a large load.
Description
Technical field
The utility model relates to the technical field of ocean or land Multilateral Wells electric submersible pump device for well heads, especially, relates to a kind of Multilateral Wells electric submersible pump device for well heads.
Background technology
Current use Multilateral Wells electric submersible pump device for well heads middle sleeve head suspension device adopts the mode of jackscrew extruding to realize sealing, its shortcoming is that sealing load needs artificial extruding, make extruding force not enough, sealing effectiveness is bad, especially when deep-well, sealing effectiveness is poor, and the hanger of some slip-types is easy by casing collapse or crowded distortion when large load.
Tubing head hanger and reduced flange for electric submersible pump cable and control the passage lanes that pipeline generally only provides a set of equipment, limit improvement and the lifting of well-completing process.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of Multilateral Wells electric submersible pump well head for ocean and land to design applicable wellhead assembly.
A kind of Multilateral Wells electric submersible pump device for well heads, comprise casing head device, tubing head device and control valve line apparatus, described casing head device comprises sleeve pipe, casing head housing, jackscrew assembly, casing hanger, described casing hanger is located on described sleeve outer wall, it is outside that described casing head housing is arranged on described casing hanger, described jackscrew assembly is embedded at described casing head housing, described casing hanger comprises slips, bushing, upper backup pad and lower supporting plate, inside and outside described slips, cone face process has pawl, the pawl of described slips male cone (strobilus masculinus) polishes off a part simultaneously, when described slips holds described sleeve pipe tightly, due to the effect of described slips pawl, described slips stings tight described sleeve pipe, described slips and sleeve pipe move down simultaneously, after moving down down certain altitude, the male cone (strobilus masculinus) of described slips is with the taper-face contact mending core and sting the conical surface of tight described benefit core, hanger lower supporting plate bears casing load, described casing head housing comprises first step, described casing hanger comprises second step, described first step and second step are oppositely arranged, after load progressively raises, described second step progressively contacts with described first step, the load of described sleeve pipe is transferred on described casing head housing by described casing hanger, achieve load to be separated.
Preferably, the angle of described first step and second step is 45 °.
Preferably, hang the initial stage at described sleeve pipe, described casing hanger realizes initial sealing by tightening sealing bolt, and after load strengthens, described slips stings tight sleeve pipe, and described slips drives benefit core to move down and makes described upper backup pad compress packing element, realize self-excitation sealing.
Preferably, described tubing head device comprises oil pipe, tubing head housing, boll-weevil hanger, tubing head jackscrew, alignment pin and reduced flange, described reduced flange and boll-weevil hanger are located on the outer wall of described oil pipe, described tubing head housing arranges with described boll-weevil hanger outside, described tubing head jackscrew, alignment pin is embedded at described tubing head housing, the alignment pin of described boll-weevil hanger is designed to tubing head jackscrew seal form, described tubing head jackscrew is by one group of V-shaped seal ring, the screw thread press seal circle on tubing head housing is passed through again by pressure cap, boll-weevil hanger is installed in the tubing head housing of described Multilateral Wells electric submersible pump device for well heads, by tightening described tubing head jackscrew, the locating hole of described tubing head jackscrew end and described boll-weevil hanger is fitted.
Preferably, the locating hole of described boll-weevil hanger is designed with the lead-in groove of v font.
Preferably, described control valve line apparatus have employed the structure that entirety is passed through, and described control valve line apparatus comprises cable of electric submersible pump line and electric submersible pump controls pipeline.
Preferably, described boll-weevil hanger and reduced flange arrange two cable penetration holes and four respectively and control traversing pipe line hole.
Compared to prior art, Multilateral Wells electric submersible pump device for well heads disclosed in the utility model, has the following advantages:
1. controllable friction-type slips hanger, its radial forces is less, can ensure not squeeze in maximum hanging load situation to ruin sleeve pipe.
2. casing head is designed with load separating mechanism, and the fluid power proof load that hanger primary seal is born does not produce with slips hanging load and superposes, and effectively protects sleeve pipe.
3. the sealing of casing hanger mainly relies on sleeve pipe deadweight to realize self-excitation sealing, ensure that the sealing of casing hanger under a large load.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the plane structure schematic diagram of Multilateral Wells electric submersible pump device for well heads;
Fig. 2 a-2b is the plane structure schematic diagram of the device of casing head shown in Fig. 1;
Fig. 3 is the plane structure schematic diagram of the device of tubing head shown in Fig. 1;
Fig. 4 is the plane structure schematic diagram of the line apparatus of control valve shown in Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model discloses a kind of Multilateral Wells electric submersible pump device for well heads, refers to Fig. 1, and described Multilateral Wells electric submersible pump device for well heads comprises casing head device 1, tubing head device 2 and control valve line apparatus 3.
Refer to Fig. 2 a-2b, described casing head device 1 comprises sleeve pipe 18, casing head housing 13, jackscrew assembly 11, casing hanger 12, described casing hanger 12 is located on described sleeve pipe 18 outer wall, it is outside that described casing head housing 13 is arranged on described casing hanger 12, described jackscrew assembly 11 is embedded at described casing head housing 13, described casing hanger 12 comprises slips 16, bushing 17, upper backup pad 14 and lower supporting plate 15, inside and outside the slips 16 of described casing hanger 12, cone face process has pawl, the pawl of described slips 16 male cone (strobilus masculinus) polishes off a part simultaneously, when described slips 16 holds described sleeve pipe 18 tightly, due to the effect of described slips 16 pawl, described slips stings tight described sleeve pipe 18, described slips 16 and sleeve pipe 18 move down simultaneously, after moving down down certain altitude, the male cone (strobilus masculinus) of described slips 16 is with the taper-face contact mending core 17 and sting the conical surface of tight described benefit core 17, the lower supporting plate 15 of described casing hanger bears casing load, described casing head housing 13 comprises first step, described casing hanger 12 comprises second step, described first step and second step are oppositely arranged, described first step and second step angle are 45 °,
Hang the initial stage at described sleeve pipe 18, described casing hanger 12 realizes initial sealing by tightening sealing bolt, and after load strengthens, described slips 16 stings tight sleeve pipe, and described slips drives benefit core 17 to move down and makes described upper backup pad 14 compress packing element, realize self-excitation sealing.
The initial stage is hung at described sleeve pipe 18, casing load is born by described lower supporting plate 15, after load progressively raises, 45 ° of second steps of the benefit core 17 of described casing hanger 12 progressively contact with 45 ° of first steps in described casing head housing 13, the load of described sleeve pipe 18 is transferred on described casing head housing 13 by described casing hanger 12, achieves load and is separated.
When described slips 16 holds described sleeve pipe 18 tightly, due to the effect of described slips pawl, described slips 16 stings tight described sleeve pipe 18, described slips 16 and sleeve pipe 18 move down simultaneously, after moving down down certain altitude, the male cone (strobilus masculinus) of described slips 16 is with the taper-face contact mending core 17 and sting the conical surface of tight described benefit core 17, described sleeve pipe 18 entirety is not being moved down, the load of described sleeve pipe 18 has described casing head shell 13 body to bear, achieve described slips 16 sting tight sleeve pipe and squeeze ruin the object of described sleeve pipe 18 and the controllable friction of described casing hanger 12.
Refer to Fig. 3, described tubing head device 2 comprises oil pipe, tubing head housing 25, boll-weevil hanger 23, tubing head jackscrew 24, alignment pin 26 and reduced flange 21, described reduced flange 21 and boll-weevil hanger 23 are located on the outer wall of described oil pipe, described tubing head housing 25 arranges with described boll-weevil hanger 23 outside, described tubing head jackscrew 24, alignment pin 26 are embedded at described tubing head housing 25
The alignment pin 26 of described boll-weevil hanger 23 is designed to tubing head jackscrew 24 seal form, described tubing head jackscrew 24 is by one group of V-shaped seal ring, the screw thread press seal circle on tubing head housing 25 is passed through again by pressure cap, boll-weevil hanger 23 is installed in the tubing head housing 25 of described Multilateral Wells electric submersible pump device for well heads, by tightening described tubing head jackscrew 24, the locating hole of described tubing head jackscrew 24 end and described boll-weevil hanger 23 is fitted, and the locating hole of described boll-weevil hanger 23 is designed with the lead-in groove of v font.
Refer to Fig. 4 and again consult Fig. 3, described control valve line apparatus 3 device have employed the structure that entirety is passed through, described control valve line apparatus 3 comprises cable of electric submersible pump line 36 and electric submersible pump controls pipeline 37, in the present embodiment, described cable of electric submersible pump line 36 and electric submersible pump control pipeline 37 and are set to two and four respectively, described boll-weevil hanger 23 and reduced flange 21 arrange two cable penetration holes and four respectively and control traversing pipe line hole, described cable of electric submersible pump line 36 is arranged in described cable penetration hole, described electric submersible pump controls pipeline 37 and is arranged in described control traversing pipe line hole.
Overall control valve line apparatus 3 disclosed in described Multilateral Wells electric submersible pump device for well heads, achieves and passes through many cables and control pipeline.Described tubing head housing 25 realizes for the alignment pin 26 that is located through of boll-weevil hanger 23, ensure that the accurate positioning of boll-weevil hanger 23, processing and easy for installation.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model manual and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (7)
1. a Multilateral Wells electric submersible pump device for well heads, it is characterized in that, comprise casing head device, tubing head device and control valve line apparatus, described casing head device comprises sleeve pipe, casing head housing, jackscrew assembly, casing hanger, described casing hanger is located on described sleeve outer wall, it is outside that described casing head housing is arranged on described casing hanger, described jackscrew assembly is embedded at described casing head housing, described casing hanger comprises slips, bushing, upper backup pad and lower supporting plate, inside and outside described slips, cone face process has pawl, the pawl of described slips male cone (strobilus masculinus) polishes off a part simultaneously, when described slips holds described sleeve pipe tightly, due to the effect of described slips pawl, described slips stings tight described sleeve pipe, described slips and sleeve pipe move down simultaneously, after moving down down certain altitude, the male cone (strobilus masculinus) of described slips is with the taper-face contact mending core and sting the conical surface of tight described benefit core, described lower supporting plate bears casing load, described casing head housing comprises first step, described casing hanger comprises second step, described first step and second step are oppositely arranged, after load progressively raises, described second step progressively contacts with described first step, the load of described sleeve pipe is transferred on described casing head housing by described casing hanger, achieve load to be separated.
2. Multilateral Wells electric submersible pump device for well heads according to claim 1, is characterized in that, the angle of described first step and second step is 45 °.
3. Multilateral Wells electric submersible pump device for well heads according to claim 1, it is characterized in that, the initial stage is hung at described sleeve pipe, described casing hanger realizes initial sealing by tightening sealing bolt, after load strengthens, described slips stings tight sleeve pipe, and described slips drives benefit core to move down and makes described upper backup pad compress packing element, realize self-excitation sealing.
4. Multilateral Wells electric submersible pump device for well heads according to claim 1, it is characterized in that, described tubing head device comprises oil pipe, tubing head housing, boll-weevil hanger, tubing head jackscrew, alignment pin and reduced flange, described reduced flange and boll-weevil hanger are located on the outer wall of described oil pipe, described tubing head housing arranges with described boll-weevil hanger outside, described tubing head jackscrew, alignment pin is embedded at described tubing head housing, the alignment pin of described boll-weevil hanger is designed to tubing head jackscrew seal form, described tubing head jackscrew is by one group of V-shaped seal ring, the screw thread press seal circle on tubing head housing is passed through again by pressure cap, boll-weevil hanger is installed in the tubing head housing of described Multilateral Wells electric submersible pump device for well heads, by tightening described tubing head jackscrew, the locating hole of described tubing head jackscrew end and described boll-weevil hanger is fitted.
5. Multilateral Wells electric submersible pump device for well heads according to claim 4, is characterized in that, the locating hole of described boll-weevil hanger is designed with the lead-in groove of v font.
6. Multilateral Wells electric submersible pump device for well heads according to claim 1, is characterized in that, described control valve line apparatus have employed the structure that entirety is passed through, and described control valve line apparatus comprises cable of electric submersible pump line and electric submersible pump controls pipeline.
7. Multilateral Wells electric submersible pump device for well heads according to claim 4, is characterized in that, described boll-weevil hanger and reduced flange arrange two cable penetration holes and four respectively and control traversing pipe line hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520306531.3U CN204646168U (en) | 2015-05-13 | 2015-05-13 | Multilateral Wells electric submersible pump device for well heads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520306531.3U CN204646168U (en) | 2015-05-13 | 2015-05-13 | Multilateral Wells electric submersible pump device for well heads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204646168U true CN204646168U (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520306531.3U Expired - Fee Related CN204646168U (en) | 2015-05-13 | 2015-05-13 | Multilateral Wells electric submersible pump device for well heads |
Country Status (1)
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|---|---|
| CN (1) | CN204646168U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847294A (en) * | 2015-05-13 | 2015-08-19 | 宝鸡瑞林石油机电设备有限责任公司 | Electric submersible pump well head equipment of multilateral well and mounting method for electric submersible pump well head equipment of multilateral well |
-
2015
- 2015-05-13 CN CN201520306531.3U patent/CN204646168U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847294A (en) * | 2015-05-13 | 2015-08-19 | 宝鸡瑞林石油机电设备有限责任公司 | Electric submersible pump well head equipment of multilateral well and mounting method for electric submersible pump well head equipment of multilateral well |
| CN104847294B (en) * | 2015-05-13 | 2018-09-25 | 宝鸡瑞林石油机电设备有限责任公司 | Multilateral Wells electric submersible pump device for well heads |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20170513 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |