CN203594435U - Full-closed high pressure resistant magnetomotive multi-ball injector - Google Patents
Full-closed high pressure resistant magnetomotive multi-ball injector Download PDFInfo
- Publication number
- CN203594435U CN203594435U CN201320777921.XU CN201320777921U CN203594435U CN 203594435 U CN203594435 U CN 203594435U CN 201320777921 U CN201320777921 U CN 201320777921U CN 203594435 U CN203594435 U CN 203594435U
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- ball
- housing
- high pressure
- magnetomotive
- pressure resistant
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- 230000005291 magnetic effect Effects 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 238000005538 encapsulation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000001174 ascending effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- VQAPWLAUGBBGJI-UHFFFAOYSA-N [B].[Fe].[Rb] Chemical compound [B].[Fe].[Rb] VQAPWLAUGBBGJI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses a full-closed high pressure resistant magnetomotive multi-ball injector which comprises a shell body, a union end plug, a stepping motor, a strong magnetic driving rotor, a lead screw, a driven rotor, a ball selection bar and two ball containing barrels. The lower end of the shell body is arranged on a fractured well mouth through a lower joint, two protruding limiting keys are symmetrically arranged on the wall of an inner cavity of the shell body, two through long grooves allowing the corresponding limiting keys to be inserted into are respectively and vertically formed in the outer wall of the ball selection bar, openings in the upper ends of the two ball containing barrels are sealed through ball containing barrel end covers respectively, and openings in the lower ends of the ball containing barrels both are sealed by the ball selection bar. The full-closed high pressure resistant magnetomotive multi-ball injector is high in pressure resistant level and strong in sealing reliability, a pump is not shut down in the operation process, balls can be continuously injected under pressure, the number of online injected balls is large, the operation is simple, and the ball injection reliability is high. Ball selection precision can be improved, and in addition, the ball injector is small in size, convenient to carry and mount and capable of achieving long-distance control, is away from a high pressure area, and is safe in operation.
Description
Technical field
The utility model relates to a kind of rig tool of oil-gas field development application, the high pressure resistant magnetomotive multi-ball ball injector of especially a kind of totally-enclosed.
Background technology
In exploration and development field, global Oil Gas field, in order to reach the object of incremental oil production, using widely packer multistage subsection fracture acidizing technique at present.In the time carrying out the operation of multistage subsection fracture acidizing, the opening and close operation and all need to carry out pitching operation of sliding sleeve, ball injector is the instrument that is arranged on well head while carrying out the operation of multistage subsection fracture acidizing and is used for carrying out pitching, stuff has two kinds at present: one is to take the manual stuff of feed screw nut, this kind of mode pitching quantity is few, precision is low, poor reliability, and labour intensity is large; The 2nd, adopt Multi-stage hydraulic cylinder layering dress ball stuff, pitching quantity is few, equipment bulky complex, complex operation, difficult in maintenance.Above-mentioned pitching device and mode have seriously limited work capacity and the development efficiency of oil gas field, are therefore necessary to improve.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of high pressure resistant magnetomotive multi-ball ball injector of totally-enclosed that can on-line continuous pitching.
In order to solve the problems of the technologies described above, the utility model comprises housing, sealing is arranged on the union plug of housing upper end, be located at the stepper motor of union plug top, be fixed on stepper motor output and the strong magnetic power rotor that can rotate around union plug, can be arranged on rotatably the leading screw in housing inner chamber, be fixed in leading screw upper end and can be under the drive of strong magnetic power rotor and the driven rotor of rotation, be threaded in the rod and be tilted to respectively connection and be arranged on two of housing both sides dress ball cylinders of choosing shuttles of leading screw bottom, described housing lower end is arranged on fracture well head by lower contact, on this housing internal chamber wall, be arranged with the positive stop key of two protrusions, on the described excellent outer wall of choosing shuttles, be vertically formed with respectively two elongated grooves that allow corresponding positive stop key to insert, the upper end open of two described dress ball cylinders is respectively by a dress ball cylinder end cap encapsulation, lower ending opening is all by the described excellent shutoff of choosing shuttles.
Described leading screw middle part is fixed on the inner ring of a bearing, and this bearing is clamped on housing internal chamber wall by two spacing bung flanges setting up and down.
The angle of inclination of two described dress ball cylinders is 45 °.
Described driven rotor is U-shaped shape setting, and described strong magnetic power rotor is the setting of inverted U shape.
The beneficial effects of the utility model are:
1, equipment, in totally-enclosed state, does not have rotary seal, and withstand voltage rank is high, and sealing reliability is strong, and not termination of pumping when operation can realize continuous pitching with pressure, and pitching is satisfactory for result;
2, housing both wings are all designed with pitching cylinder, once pack multiple balls into, and online pitching quantity is many;
3, stepper motor precision is high, can record the angle that accumulative total is rotated, and simple to operate, pitching reliability is high;
4, choose shuttles rod and cross ball passage and have angle, can improve the precision of choosing shuttles, and can throw the poor ball for 1mm sphere diameter of diameter;
5, equipment volume little, carry, easy for installation, can realize far distance controlled, away from higher-pressure region, handling safety.
Accompanying drawing explanation
Fig. 1 is the structural representation of the high pressure resistant magnetomotive multi-ball ball injector of the utility model totally-enclosed;
Fig. 2 is that the plane of structure that rod is assembled together with housing of choosing shuttles in the utility model dissects structural representation.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Referring to Fig. 1 and Fig. 2, the high pressure resistant magnetomotive multi-ball ball injector of totally-enclosed of the present utility model comprises housing 12, sealing is arranged on the union plug 3 of housing 12 upper ends, be located at the stepper motor 1 of union plug 3 tops, the strong magnetic power rotor 2 that is fixed on stepper motor 1 output and can rotates around union plug 3, can be arranged on rotatably the leading screw 5 in housing 12 inner chambers, be fixed in leading screw 5 upper ends and can be under the drive of strong magnetic power rotor 2 and the driven rotor 4 of rotation, be threaded in the rod 8 and be tilted to respectively connection and be arranged on two of housing 12 both sides dress ball cylinders 11 of choosing shuttles of leading screw 5 bottoms.Described driven rotor 4 is U-shaped shape setting, and described strong magnetic power rotor 2 is the setting of inverted U shape.
Described housing 12 lower ends are arranged on fracture well head by lower contact 13.Described housing 12 is one to have the cavity of four end openings, is preferably the cylindrical structure of tubing type that can high voltage bearing four end openings; The power set that generation rotatablely moves are arranged on the top of housing 12, and power set can be stepper motor 1 or other rotary power units; The upper and lower part sealing mode of housing 12 is all preferably union connected mode (be that housing 12 upper ends adopt union plug 3, lower contact 13 and the fracture well head of lower end also adopt union connected mode); Union plug 3 is made for nonmagnetic substance, preferably austenitic metal material; Stepper motor 1 drives output to be connected with a strong magnetic power rotor 2 that is inverted U shape and can rotates around union plug 3, and this strong magnetic power rotor 2 is preferably with there being ferromagnetic rubidium iron boron permanent magnet.
Described housing 12 both wings are respectively designed with a dress ball cylinder 11, are preferably the be inclined upwardly cylindrical structure of 45 ° of both wings.The upper end open of two described dress ball cylinders 11 encapsulates by a dress ball cylinder end cap 10 respectively, lower ending opening is all by described excellent 8 shutoff of choosing shuttles, the lower ending opening of dress ball cylinder 11 was combined to form ball passage with the rod 8 of choosing shuttles, the size of crossing ball passage changes along with choosing shuttles moving up and down of rod 8, and the rod 8 of choosing shuttles is preferably a cylinder matching with housing 12 internal diameters.In housing 12, be designed with driven rotor 4, this driven rotor 4 is preferably has ferromagnetic U-shaped iron construction, can be under the ferromagnetism effect of the strong magnetic power rotor 2 of outside servo rotary, the leading screw 5 being connected with driven rotor 4 can carry out the rotation of horizontal direction thereupon, and under the fixation of two spacing bung flanges 6 and bearing 7, leading screw 5 can not move up and down;
Described leading screw 5 middle parts are fixed on the inner ring of a bearing 7, and this bearing 7 is clamped on housing 12 internal chamber walls by two spacing bung flanges 6 setting up and down.Described housing 12 upper inside wall are designed with internal thread, and the preferred supporting spacing bung flange 6 that has 2 same sizes with it, can fix the bearing 7 on leading screw 5, and the position that is fixed is motionless; Housing 12 tops are rod 8 the movable passageway of choosing shuttles, and the rod 8 of preferably choosing shuttles is taked to be threaded with leading screw 5.On described housing 12 internal chamber walls, be arranged with the positive stop key 9 of two protrusions.On described excellent 8 outer walls of choosing shuttles, be vertically formed with respectively two elongated grooves that allow corresponding positive stop key 9 to insert.The rod 8 of choosing shuttles can only move up and down in movable passageway inside under the effect of positive stop key 9, preferably, two positive stop keys 9 are that two phase places are the symmetrical projection of 180 °, and two projections are positioned at housing 12 choose shuttles the movable passageway position of rod 8 and the outstanding inner walls of projection surface 2-3mm; Rod 8 the corresponding position of cylindrical body outer wall of choosing shuttles is provided with groove, and the recessed excellent 8 outer wall 3-4mm that choose shuttles of groove, match with the projection in housing 12, play position-limiting action, by screw thread, the spinning movement of leading screw 5 are changed into the action that moves up and down of the rod 8 of choosing shuttles.
Described dress ball cylinder 11 is for being inclined upwardly the cylindrical structure of 45 °, preferably long 1.0m, interior latus rectum is ￠ 76mm, dress ball cylinder end cap 10 is union interconnection system, even if the ball of dress ￠ 76mm also can fill 26 more than in theory, as needs fill more ball, can connect by union formula the dress ball cylinder 11 of split, to meet multistage subsection fracture acidizing process requirements; The rod 8 of choosing shuttles moves up under the effect of leading screw 5, and the ball channel size of crossing of dress ball cylinder 11 changes from small to big accordingly, and the ball of different sphere diameters relies on the ascending ball passage that passed through successively of self gravitation effect, enters pitching cylinder, falls in pressure break Trunk Line or well.
The high pressure resistant magnetomotive multi-ball ball injector of totally-enclosed, there is high pressure resistant housing, described driven rotor 4 is under the strong magnetic power rotor 2 magnetic tractions of housing 12 outsides, rotation thereupon, thereby drive leading screw 5 to rotate, under the effect of spacing bung flange 6 and bearing 7, the screw thread at excellent 8 tops of choosing shuttles becomes the spinning movement of leading screw 5 into rod 8 the knee-action of choosing shuttles, the rod 8 of choosing shuttles is crossed ball passage with the interruption-forming that goes out of dress ball cylinder 11 lower ends, the rod 8 of choosing shuttles moves up and made the ascending variation of ball passage, thereby the ball of realizing different-diameter relies on self gravitation, the ascending pitching cylinder that enters successively, fall in pressure break Trunk Line or well.
The present invention, through research and development test, can realize the manufacturing and the assembling of each point of body component of ball injector; Can realize the rotation that stepper motor 1 drives strong magnetic power rotor 2; Can realize strong magnetic power rotor 2 drives the interior leading screw 5 top driven rotors 4 of housing 12 rotation by magnetic action; Can realize the rotation that driven rotor 4 drives leading screw 5; Can realize leading screw 5 drives the rod 8 of choosing shuttles to carry out the adjusting variation of upper and lower height and position; Can realize the variation that regulates dress ball cylinder 11 to cross ball channel size size by the rod 8 of choosing shuttles; The ball that can realize different sphere diameters relies on self gravitation to pass through successively ball passage; Can realize ball and enter pitching cylinder and fall in pressure break Trunk Line or well, complete pitching function action.The utility model can be applicable to oil gas well completion and well workover technology field of tool, in multilevel hierarchy staged fracturing acidizing treatment, realize not termination of pumping on-line continuous pitching operation, be applicable to operation and the exploitation in the fields such as oil, natural gas, coal bed gas, tight gas and shale gas, there is good popularizing application prospect.
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 these embodiment are included in scope of the present utility model.
Claims (4)
1. the high pressure resistant magnetomotive multi-ball ball injector of totally-enclosed, it is characterized in that: comprise housing (12), sealing is arranged on the union plug (3) of housing (12) upper end, be located at the stepper motor (1) of union plug (3) top, be fixed on stepper motor (1) output and the strong magnetic power rotor (2) that can rotate around union plug (3), can be arranged on rotatably the leading screw (5) in housing (12) inner chamber, be fixed in leading screw (5) upper end and can be under the drive of strong magnetic power rotor (2) and the driven rotor (4) of rotation, be threaded in the rod of choosing shuttles (8) of leading screw (5) bottom and be tilted to respectively connection two the dress ball cylinders (11) that are arranged on housing (12) both sides, described housing (12) lower end is arranged on fracture well head by lower contact (13), on this housing (12) internal chamber wall, be arranged with the positive stop key (9) of two protrusions, on the described rod of choosing shuttles (8) outer wall, be vertically formed with respectively two elongated grooves that allow corresponding positive stop key (9) to insert, the upper end open of two described dress ball cylinders (11) is respectively by dress ball cylinder end cap (10) encapsulation, lower ending opening is all by the described rod of choosing shuttles (8) shutoff.
2. according to the high pressure resistant magnetomotive multi-ball ball injector of totally-enclosed claimed in claim 1, it is characterized in that: described leading screw (5) middle part is fixed on the inner ring of a bearing (7), and this bearing (7) is clamped on housing (12) internal chamber wall by two spacing bung flanges (6) setting up and down.
3. according to the high pressure resistant magnetomotive multi-ball ball injector of totally-enclosed claimed in claim 1, it is characterized in that: the angle of inclination of two described dress ball cylinders (11) is 45 °.
4. according to the high pressure resistant magnetomotive multi-ball ball injector of totally-enclosed claimed in claim 1, it is characterized in that: described driven rotor (4) is U-shaped shape setting, described strong magnetic power rotor (2) is the setting of inverted U shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320777921.XU CN203594435U (en) | 2013-11-29 | 2013-11-29 | Full-closed high pressure resistant magnetomotive multi-ball injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320777921.XU CN203594435U (en) | 2013-11-29 | 2013-11-29 | Full-closed high pressure resistant magnetomotive multi-ball injector |
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| Publication Number | Publication Date |
|---|---|
| CN203594435U true CN203594435U (en) | 2014-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320777921.XU Expired - Lifetime CN203594435U (en) | 2013-11-29 | 2013-11-29 | Full-closed high pressure resistant magnetomotive multi-ball injector |
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| CN (1) | CN203594435U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628854A (en) * | 2013-11-29 | 2014-03-12 | 中国石油集团渤海钻探工程有限公司 | Totally-enclosed high-voltage resistant magnetomotive multi-ball injector |
| CN104929602A (en) * | 2015-05-21 | 2015-09-23 | 西南石油大学 | Device and method for intelligently controlling ball throwing by aid of gears for multi-stage horizontal well fracturing |
| CN106437660A (en) * | 2016-10-13 | 2017-02-22 | 中国石油大学(华东) | Eccentric hole rotary block type automatic ball injector system |
| CN111559703A (en) * | 2020-05-06 | 2020-08-21 | 北方工业大学 | BIM-based large prefabricated part hoisting safety control method |
-
2013
- 2013-11-29 CN CN201320777921.XU patent/CN203594435U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628854A (en) * | 2013-11-29 | 2014-03-12 | 中国石油集团渤海钻探工程有限公司 | Totally-enclosed high-voltage resistant magnetomotive multi-ball injector |
| CN104929602A (en) * | 2015-05-21 | 2015-09-23 | 西南石油大学 | Device and method for intelligently controlling ball throwing by aid of gears for multi-stage horizontal well fracturing |
| CN104929602B (en) * | 2015-05-21 | 2017-06-20 | 西南石油大学 | A kind of horizontal well multistage fracturing gear controls the device and method of intelligent pitching |
| CN106437660A (en) * | 2016-10-13 | 2017-02-22 | 中国石油大学(华东) | Eccentric hole rotary block type automatic ball injector system |
| CN111559703A (en) * | 2020-05-06 | 2020-08-21 | 北方工业大学 | BIM-based large prefabricated part hoisting safety control method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |