CN204002560U - The hose assembly of traction certainly for horizontal branch jet drilling - Google Patents
The hose assembly of traction certainly for horizontal branch jet drilling Download PDFInfo
- Publication number
- CN204002560U CN204002560U CN201420479813.9U CN201420479813U CN204002560U CN 204002560 U CN204002560 U CN 204002560U CN 201420479813 U CN201420479813 U CN 201420479813U CN 204002560 U CN204002560 U CN 204002560U
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- hole
- spray
- jet
- hose assembly
- propelling
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Abstract
The utility model discloses a kind of hose assembly of traction certainly for horizontal branch jet drilling, comprise jet bit, displacement transducer and flexible pipe, wherein: described jet bit is arranged on the end of described flexible pipe, the front end of described jet bit is provided with the main jet perforation for the rock in broken drilling direction front, on described jet bit, be also provided with a plurality of secondary injections hole and a plurality of secondary spray-hole that along described jet bit, are circumferentially evenly arranged, the direction of described secondary spray-hole and described jet bit direction of advance acutangulate, described secondary injection hole becomes obtuse angle with described jet bit direction of advance, described flexible pipe ecto-entad is divided into three layers of steel wire braid, communication layers and inner glue layers, and described displacement transducer is arranged on described jet bit and is connected to aboveground by described communication layers.The hose assembly of traction certainly propulsive force in the utility model is stronger, can prevent that flexible pipe is stuck, be convenient to Ground Operation personnel can grasp shaft bottom by described information acquisition system and spray the situation of creeping into.
Description
Technical field
The utility model relates to oil drilling equipment field, in particular to a kind of hose assembly of traction certainly for horizontal branch jet drilling.
Background technology
In order to improve single well yield and earial drainage radius, jetting radially horizontal well technology is fast-developing in recent years.Jetting radially horizontal well technology refers to the aperture that first utilizes specific sleeve pipe inward opening window instrument to output 20mm left and right on the sleeve pipe of predetermined level, then being lowered to steerable tool and anchor tool guides high-pressure injection flexible pipe to enter stratum, utilize high pressure jet flow to break rock, in a bite well, get out one or several horizontal branch well perpendicular to main borehole.This technology short construction period, expense is low, fluid volume is few, little to sleeve pipe and reservoir damage.This technology is highly suitable for coal bed gas, shale gas exploitation; The volume increase transformation of hypotonic Oil/gas Well, heavy oil wells; Old well reform, tap the latent power, new well development; Applicable stratum scope is wide.
Wherein high-pressure injection drilling technology is a key technology in radially horizontal well technology.At present, mainly adopt high-pressure hose to add the method for jet bit, by ground send into jet bit on propulsive force travel forward, horizontal branch length has reached 50～100m.Yet also there is in this course following problems and shortcoming: 1. can not control the trend of jet bit in stratum, at oil sheet, easily alter layer; 2. flexible pipe is not enough in horizontal segment propulsive force, sprays and creeps into slowly; 3. jet bit rear landwaste is easily piled up, and easily blocks flexible pipe; 4. the situation of creeping into of spraying cannot be learnt in ground.
Utility model content
Technical problem to be solved in the utility model is, provide a kind of propulsive force stronger, can prevent that flexible pipe is stuck, be convenient to Ground Operation personnel and can grasp the hose assembly of traction certainly for horizontal branch jet drilling that the situation of creeping into is sprayed in shaft bottom by described information acquisition system.
Therefore, the technical solution of the utility model is as follows:
The hose assembly of traction certainly for horizontal branch jet drilling, comprises jet bit, displacement transducer and flexible pipe, wherein:
Described jet bit is arranged on the end of described flexible pipe, the front end of described jet bit is provided with the main jet perforation for the rock in broken drilling direction front, on described jet bit, be also provided with a plurality of secondary injections hole and a plurality of secondary spray-hole that along described jet bit, are circumferentially evenly arranged, the direction of described secondary spray-hole and described jet bit direction of advance acutangulate, and described secondary injection hole becomes obtuse angle with described jet bit direction of advance;
Described flexible pipe ecto-entad is divided into three layers of steel wire braid, communication layers and inner glue layers, and described displacement transducer is arranged on described jet bit and is connected to aboveground by described communication layers.
In this technical scheme, the collected information of displacement transducer can be delivered to by the communication layers in flexible pipe terrestrial information acquisition system, Ground Operation personnel can grasp shaft bottom by described information acquisition system and spray the situation of creeping into, jet bit advances by predetermined direction, thereby monitor shaft bottom by displacement transducer, creeps into situation; By secondary injection hole, produce extra tractive force, promote jet hose assembly and move to drilling direction, improved propulsive force, thereby can guarantee better operating efficiency; By secondary spray-hole, clean pit shaft, thereby prevent that drilling cuttings from, in the accumulation of jet bit rear, preventing that flexible pipe is stuck; Described hose assembly can be applicable to 2000～3000m deep stratum, can from existing vertical boreholes, get out accurately and rapidly diameter 40～50mm, the horizontal branch well of length 50～100m, have and be difficult for altering layer, be difficult for piling up landwaste, from tractive force foot, can assist drill bit by advantages such as predetermined direction advance.
Further, on described flexible pipe, be also provided with many groups and advance spray-hole, every group includes a plurality of described propelling spray-holes that are circumferentially evenly arranged along described flexible pipe, between the described propelling spray-hole of adjacent set, interval predeterminable range arranges, described propelling spray-hole becomes obtuse angle with the direction of advance of the described flexible pipe at its place, place, can further improve the propulsive force of hose assembly.
In the another kind of specific embodiment, the described hose assembly of traction certainly for horizontal branch jet drilling also comprises a plurality of propelling joints, described flexible pipe is divided between multistage and adjacent segment and connects by described propelling joint, on described propelling joint, be provided with a plurality of propelling spray-holes that are circumferentially evenly arranged along described propelling joint, described propelling spray-hole becomes obtuse angle with the direction of advance of the described propelling joint at its place, can further improve the propulsive force of hose assembly.
Wherein, particularly, preferably adopt following scheme: described in each, advance and on joint, be provided with described displacement transducer, described displacement transducer is connected to aboveground by described communication layers, described in each, advancing the quantity of the above propelling spray-hole of joint is 3～6, the spacing distance of adjacent described propelling joint is 5～30m, the length of described propelling joint is 50～80mm, the direction of advance angulation of described secondary spray-hole and described jet bit is 130～150 °, the direction of advance angulation of the described propelling joint at described propelling spray-hole and its place is 130～150 °, described secondary spray-hole, the diameter of described propelling spray-hole is 0.2～1mm.
Accompanying drawing explanation
Fig. 1 is the structural representation that certainly draws hose assembly for horizontal branch jet drilling according to the utility model embodiment;
Fig. 2 is the structural representation of flexible pipe in Fig. 1;
Fig. 3 is the structural representation that certainly draws hose assembly for horizontal branch jet drilling according to another embodiment of the utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.It should be noted that, in the situation that not conflicting, the application's embodiment and the feature in embodiment can combine mutually.
As shown in Figure 1, the hose assembly of traction certainly for horizontal branch jet drilling according to embodiment of the present utility model, comprises jet bit 1, displacement transducer 2 and flexible pipe 3, wherein:
Described jet bit 1 is arranged on the end of described flexible pipe 3, the front end of described jet bit 1 is provided with the main jet perforation 7 for the rock in broken drilling direction front, on described jet bit 1, be also provided with a plurality of secondary injections hole 9 and a plurality of secondary spray-hole 8 that along described jet bit 1, are circumferentially evenly arranged, the direction of described secondary spray-hole 8 and described jet bit 1 direction of advance acutangulate, and described secondary injection hole 9 becomes obtuse angle with described jet bit 1 direction of advance;
Described flexible pipe 3 ecto-entads are divided into 13 3 layers of steel wire braid 11, communication layers 12 and inner glue layers, and described displacement transducer 2 is arranged on described jet bit 1 and is connected to aboveground by described communication layers 12.
In this technical scheme, the collected information of displacement transducer 2 can be delivered to terrestrial information acquisition system by the communication layers 12 in flexible pipe 3, Ground Operation personnel can grasp shaft bottom by described information acquisition system and spray the situation of creeping into, jet bit 1 advances by predetermined direction, thereby creeps into situation by displacement transducer 2 monitoring shaft bottoms; By secondary injection hole 9 backward inject high pressure fluid produce extra tractive force, promote jet hose assembly and move to drilling direction, improved propulsive force, thereby can guarantee better operating efficiency; By secondary spray-hole 8, clean pit shaft, thereby prevent that drilling cuttings from, in jet bit 1 rear accumulation, preventing that flexible pipe is stuck; Described hose assembly can be applicable to 2000～3000m deep stratum, can from existing vertical boreholes, get out accurately and rapidly diameter 40～50mm, the horizontal branch well of length 50～100m, have and be difficult for altering layer, be difficult for piling up landwaste, from tractive force foot, can assist drill bit by advantages such as predetermined direction advance.
Further, on described flexible pipe 3, be also provided with many groups and advance spray-hole 10, every group includes a plurality of described propelling spray-holes 10 that are circumferentially evenly arranged along described flexible pipe 3, between the described propelling spray-hole 10 of adjacent set, interval predeterminable range arranges, described propelling spray-hole 10 becomes obtuse angle with the direction of advance of the described flexible pipe 3 at its place, place, can further improve the propulsive force of hose assembly.
In the another kind of specific embodiment, the described hose assembly of traction certainly for horizontal branch jet drilling also comprises a plurality of propelling joints 5, described flexible pipe 3 is divided between multistage and adjacent segment and connects by described propelling joint 5, on described propelling joint 5, be provided with a plurality of propelling spray-holes 10 that are circumferentially evenly arranged along described propelling joint 5, described propelling spray-hole 10 becomes obtuse angle with the direction of advance of the described propelling joint 5 at its place, can further improve the propulsive force of hose assembly.
Wherein, particularly, preferably adopt following scheme: described in each, advance and on joint 5, be provided with described displacement transducer 2, described displacement transducer 3 is connected to aboveground by described communication layers 12, described in each, advancing the quantity of joint 5 the above propelling spray-hole 10 is 3～6, the spacing distance of adjacent described propelling joint 5 is 5～30m, the length of described propelling joint 5 is 50～80mm, described secondary spray-hole 8 is 130～150 ° with the direction of advance angulation of described jet bit 1, described propelling spray-hole 10 is 130～150 ° with the direction of advance angulation of the described propelling joint 5 at its place, described secondary spray-hole 9, the diameter of described propelling spray-hole 10 is 0.2～1mm.
In sum, content of the present utility model is not limited in the above-described embodiment, and those skilled in the art can propose other embodiment within technological guidance's thought of the present utility model, but within this embodiment is included in scope of the present utility model.
Claims (10)
1. for the hose assembly of traction certainly of horizontal branch jet drilling, it is characterized in that, comprise jet bit (1), displacement transducer (2) and flexible pipe (3), wherein:
Described jet bit (1) is arranged on the end of described flexible pipe (3), the front end of described jet bit (1) is provided with the main jet perforation (7) for the rock in broken drilling direction front, on described jet bit (1), be also provided with a plurality of secondary injections hole (9) and a plurality of secondary spray-hole (8) that along described jet bit (1), are circumferentially evenly arranged, the direction of described secondary spray-hole (8) and described jet bit (1) direction of advance acutangulate, and described secondary injection hole (9) becomes obtuse angle with described jet bit (1) direction of advance;
Described flexible pipe (3) ecto-entad is divided into steel wire braid (11), communication layers (12) and inner glue layer (13), and described displacement transducer (2) is arranged on described jet bit (1) and goes up and be connected to aboveground by described communication layers (12).
2. the hose assembly of traction certainly for horizontal branch jet drilling according to claim 1, it is characterized in that, on described flexible pipe (3), be also provided with many groups and advance spray-hole (10), every group includes a plurality of described propelling spray-holes (10) that are circumferentially evenly arranged along described flexible pipe (3), between the described propelling spray-hole (10) of adjacent set, interval predeterminable range arranges, and described propelling spray-hole (10) becomes obtuse angle with the direction of advance of the described flexible pipe (3) at its place, place.
3. the hose assembly of traction certainly for horizontal branch jet drilling according to claim 1, it is characterized in that, also comprise a plurality of propelling joints (5), described flexible pipe (3) is divided between multistage and adjacent segment and connects by described propelling joint (5), on described propelling joint (5), be provided with a plurality of propelling spray-holes (10) that are circumferentially evenly arranged along described propelling joint (5), described propelling spray-hole (10) becomes obtuse angle with the direction of advance of the described propelling joint (5) at its place.
4. the hose assembly of traction certainly for horizontal branch jet drilling according to claim 3, it is characterized in that, described in each, advance on joint (5) and be provided with described displacement transducer (2), described displacement transducer (3) is connected to aboveground by described communication layers (12).
5. the hose assembly of traction certainly for horizontal branch jet drilling according to claim 3, is characterized in that, described in each, advancing the quantity of the above propelling spray-hole (10) of joint (5) is 3～6.
6. the hose assembly of traction certainly for horizontal branch jet drilling according to claim 3, is characterized in that, the spacing distance of adjacent described propelling joint (5) is 5～30m.
7. the hose assembly of traction certainly for horizontal branch jet drilling according to claim 3, is characterized in that, the length of described propelling joint (5) is 50～80mm.
8. the hose assembly of traction certainly for horizontal branch jet drilling according to claim 3, is characterized in that, described secondary spray-hole (8) is 130～150 ° with the direction of advance angulation of described jet bit (1).
9. the hose assembly of traction certainly for horizontal branch jet drilling according to claim 3, is characterized in that, described propelling spray-hole (10) is 130～150 ° with the direction of advance angulation of the described propelling joint (5) at its place.
10. the hose assembly of traction certainly for horizontal branch jet drilling according to claim 3, is characterized in that, the diameter of described secondary spray-hole (9), described propelling spray-hole (10) is 0.2～1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420479813.9U CN204002560U (en) | 2014-08-23 | 2014-08-23 | The hose assembly of traction certainly for horizontal branch jet drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420479813.9U CN204002560U (en) | 2014-08-23 | 2014-08-23 | The hose assembly of traction certainly for horizontal branch jet drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204002560U true CN204002560U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420479813.9U Expired - Fee Related CN204002560U (en) | 2014-08-23 | 2014-08-23 | The hose assembly of traction certainly for horizontal branch jet drilling |
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| CN (1) | CN204002560U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606278A (en) * | 2016-03-11 | 2016-05-25 | 北京科技大学 | Drill hole monitoring probing rod for surrounding rock stress field |
| CN107605403A (en) * | 2017-11-01 | 2018-01-19 | 中煤科工集团西安研究院有限公司 | Spinning high-pressure water jet adjusting drilling aperture apparatus |
| CN111119327A (en) * | 2020-03-17 | 2020-05-08 | 中冶建工集团有限公司 | Pipe culvert dredging and pollution discharge method |
| CN111271545A (en) * | 2020-03-17 | 2020-06-12 | 中冶建工集团有限公司 | Self-walking pipe culvert dredging device |
-
2014
- 2014-08-23 CN CN201420479813.9U patent/CN204002560U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606278A (en) * | 2016-03-11 | 2016-05-25 | 北京科技大学 | Drill hole monitoring probing rod for surrounding rock stress field |
| CN107605403A (en) * | 2017-11-01 | 2018-01-19 | 中煤科工集团西安研究院有限公司 | Spinning high-pressure water jet adjusting drilling aperture apparatus |
| CN107605403B (en) * | 2017-11-01 | 2019-06-18 | 中煤科工集团西安研究院有限公司 | Spinning high-pressure water jet adjusting drilling aperture apparatus |
| CN111119327A (en) * | 2020-03-17 | 2020-05-08 | 中冶建工集团有限公司 | Pipe culvert dredging and pollution discharge method |
| CN111271545A (en) * | 2020-03-17 | 2020-06-12 | 中冶建工集团有限公司 | Self-walking pipe culvert dredging device |
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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: 20141210 Termination date: 20160823 |
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| CF01 | Termination of patent right due to non-payment of annual fee |