CN201546666U - Novel motor-driven blocked bridge plug of natural gas well - Google Patents
Novel motor-driven blocked bridge plug of natural gas well Download PDFInfo
- Publication number
- CN201546666U CN201546666U CN2009202462334U CN200920246233U CN201546666U CN 201546666 U CN201546666 U CN 201546666U CN 2009202462334 U CN2009202462334 U CN 2009202462334U CN 200920246233 U CN200920246233 U CN 200920246233U CN 201546666 U CN201546666 U CN 201546666U
- Authority
- CN
- China
- Prior art keywords
- motor
- slips
- central tube
- bridging plug
- cone
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model provides a novel motor-driven blocked bridge plug of a natural gas well, which is applied in the technical field of sleeve fracturing and plugging construction of the natural gas well in an oil field. The novel motor-driven blocked bridge plug is characterized in that a motor bridge plug connecting sleeve is connected at the lower part of a motor. A fracturing rod is fixed in the motor bridge plug connecting sleeve and at the lower part of the center of the motor. The lower part of the fracturing rod is connected with a center pipe, and a cylindrical guide shoe is fixed at the top end of the lower part of the center pipe in a threaded manner. Lower slips, a lower cone, a rubber cylinder, an upper cone and upper slips are arranged on the upper end face of the guide shoe and on the center pipe from top to bottom. A locking spring seat is arranged at the upper part of the upper slips. A locking spring and a position-limiting ring are arranged between the center pipe and the locking spring seat. A cylindrical force transferring sleeve is arranged at the upper part of the locking spring seat, and the top part of the force transferring sleeve is connected with the motor bridge plug connecting sleeve. The novel motor-driven blocked bridge plug has the following benefits: by adopting the cable throwing manner to go into the well and the underground motor driving manner to carry out seat sealing, the novel motor-driven blocked bridge plug can effectively block off a target layer. The novel motor-driven blocked bridge plug has the characteristics of simple construction technique, good safety, high success rate, high speed, reliable seat sealing and accurate depth.
Description
Technical field
The utility model relates to oil field natural gas well casing fracturing, blocking technology field, the particularly a kind of casing fracturing of cased hole completion, special tool of shutoff of being used for.
Background technology
At present, when the natural gas well carries out casing fracturing or shutoff construction, higher to the job execution safety requirements.The natural gas well is used conventional back-up sand shutoff and is existed and bore husky junk and pollute pit shaft, machine plugging and exist shortcoming, cable gunpowder capping toolses such as duty cycle is long to adopt the mode of powder burning to set, bigger influence that this produces the safety of construction, the bridging plug that sets of powder burning mode sets poor reliability in addition.
The utility model content
The purpose of this utility model is: provide a kind of natural gas well New-type electric machine to drive the shutoff bridging plug, be used for casing fracturing, shutoff, utilize machinery to set formula, increase the reliability that sets.Avoid powder burning to set the danger that mode is brought to construction.
The technical solution adopted in the utility model is: natural gas well New-type electric machine drives the shutoff bridging plug, mainly is made up of cable connector, motor, motor bridging plug adapter sleeve, power transmission cover, fracture bar, spacing ring, snap, snap seat, central tube, upper slips, upper cone, packing element, lower cone and lower slips.It is characterized in that: the top at cylindrical electrical machine is fixed with cable connector, is connected with motor bridging plug adapter sleeve in the bottom of motor, and motor bridging plug adapter sleeve is cylindric, and internal thread is arranged at the bottom.In the motor bridging plug connects and in the bottom of motor center, be fixed with a fracture bar.The lower thread of fracture bar is connected with central tube, and the lower tip screw thread of central tube is fixed with cylindrical guide shoe.An annular lower slips is arranged on the upper surface of guide shoe.The upper end inwall of lower slips is that the outer wall of conical lower slips has slip insert.It is conical lower cone that an outer wall is arranged in lower slips, and lower cone is enclosed within on the outer wall of central tube.On the upper surface of lower cone packing element is arranged, packing element is enclosed within on the central tube outer wall.Upper cone is arranged at the top at packing element, and upper cone is enclosed within on the central tube outer wall.The outer wall of upper cone is a taper seat.It is conical that a upper slips, the lower end inwall of upper slips are arranged on upper cone top.The outer wall of upper slips has slip insert.On the top of upper slips a snap seat is arranged, the snap cover for seat is on the outer wall of central tube.Between central tube and snap seat, snap is arranged.Upper internal threaded at the snap seat is fixed with a spacing ring, and spacing ring is pressed in snap top, and the central tube upper end is in the spacing ring centre bore.On snap seat top power transmission cover cylindraceous is arranged, the top of power transmission cover is threaded with motor bridging plug adapter sleeve.
The center of described guide shoe is an enclosed shape, and promptly guide shoe does not have centre bore.
In order to seal, between central tube and guide shoe, sealing ring is arranged.
Summary natural gas well New-type electric machine drives the use of shutoff bridging plug, helps understanding the utility model.Consult Fig. 1.This electronic bridging plug employing cable delivery mode is gone into well, the downhole electrical motor type of drive sets.Cable links by cable connector 1 and downhole electrical motor 2, and behind the postpone starting ground switch that puts in place under the motor-driven shutoff bridging plug, the motor 2 that links with motor-driven shutoff bridging plug rotates.Motor rotates and drives motor bridging plug adapter sleeve 3, motor bridging plug adapter sleeve 3 is passed to fracture bar 5 to the pulling force of motor, the motor pulling force makes fracture bar 5 move upward with central tube 9, motor power transmission cover 4 is descending relatively, and upper slips 10 struts and compresses packing element 13 realizations along upper cone 11 and lower cone 14 with lower slips 15 and seals annular spaces.Snap 8 plays permanent locking with the locking screw engagement of central tube 9.Motor-driven shutoff bridge plug seat is honored as a queen seat envelope load still in rising, this moment, ground seat envelope electric current increased until breaking fracture bar 4, fracture bar 4 is broken ground, back and is shown that electric current descends suddenly, downhole electrical motor 2 is thrown off with motor-driven shutoff bridging plug, motor 2 is tripped out ground, and motor-driven shutoff bridging plug sets to be finished.
The beneficial effects of the utility model: the utility model natural gas well New-type electric machine drives the shutoff bridging plug
1, adopt downhole electrical motor Mechanical Driven mode to set, this mode of setting has been avoided powder burning, and is safe, and natural gas well bridging plug separation pressure break and shutoff construction are had compliance preferably.
2, adopted machinery to break the formula mode of giving up, bridging plug sets back downhole electrical motor pulling force to be continued to increase, and bridging plug fracture bar was broken and realized separating of motor and bridging plug when pulling force reached certain value.Can determine the bridging plug setting force by adjusting bridging plug fracture bar pull-off force, thereby bridging plug is set fully that it is higher to make bridging plug set reliability.
Be best suited for the casing fracturing of 177.8 millimeters cased hole completion of φ, the natural gas well of shutoff.Rely on cable transmission signal and electric current, the drive motors power transmission sets sealing mechanism, the shutoff target zone demonstrates unique advantage in natural gas well shutoff operation effectively, has that technology is simple, safe, success rate is high, speed is fast, sets reliable, degree of depth characteristic of accurate.
Description of drawings
Fig. 1 is that the utility model natural gas well New-type electric machine drives shutoff bridging plug structural profile schematic diagram.
Among the figure, 1. cable connector, 2. motor, 3. motor bridging plug adapter sleeve, 4. power transmission cover, 5. fracture bar, 6. spacing ring, 7. snap, 8. snap seat, 9. central tube, 10. upper slips, 11. upper cones, 12. packing element, 13. lower cones, 14. lower slipses, 15. guide shoes, 16. sealing rings.
The specific embodiment
Embodiment 1: with a natural gas well New-type electric machine driving shutoff bridging plug that is applicable to 177.8 millimeters cased hole completion of φ is example, and the utility model is described in further detail.
Consult Fig. 1.The utility model natural gas well New-type electric machine drives the shutoff bridging plug, mainly is made up of cable connector 1, motor 2, motor bridging plug adapter sleeve 3, power transmission cover 4, fracture bar 5, spacing ring 6, snap 7, snap seat 8, central tube 9, upper slips 10, upper cone 11, packing element 12, lower cone 13 and lower slips 14.
170 millimeters of the external diameters of motor 2.Be fixed with cable connector 1 on the top of cylindrical electrical machine 2, be connected with motor bridging plug adapter sleeve 3 in the bottom of motor 2, motor bridging plug adapter sleeve 3 is cylindric, and internal thread is arranged at the bottom.In motor bridging plug adapter sleeve 3 and in the bottom at motor 2 centers, be fixed with a fracture bar 5.Fracture bar 5 is can rupture when surpassed by pulling force to set the limit, as between two cylindrical bars by being threaded, pulling force ruptures from screw thread during above self limit.The lower thread of fracture bar 5 is connected with a central tube 9, and the lower tip screw thread of central tube 9 is fixed with cylindrical guide shoe 15.The center of guide shoe 15 is an enclosed shape, and promptly guide shoe 15 does not have centre bore.Between central tube 9 and guide shoe 15, two seals circle 16 is arranged.An annular lower slips 14 is arranged on the upper surface of guide shoe 15, can be stuck on 177.8 millimeters the internal surface of sleeve pipe.The upper end inwall of lower slips 14 is that the outer wall of conical lower slips 14 has slip insert.It is conical lower cone 13 that an outer wall is arranged in lower slips 14, and lower cone 13 is enclosed within on the outer wall of central tube 9.A rubber tube 12 is arranged on the upper surface of lower cone 13, and packing element 12 is enclosed within on central tube 9 outer walls.The external diameter of packing element 12 is 175 millimeters.On the top of packing element 12 upper cone 11 is arranged, upper cone 11 is enclosed within on central tube 9 outer walls.The outer wall of upper cone 11 is taper seats.It is conical that a upper slips 10, the lower end inwall of upper slips 10 are arranged on upper cone top.The outer wall of upper slips 10 has slip insert, can be stuck on 177.8 millimeters the internal surface of sleeve pipe.On the top of upper slips 10 a snap seat 8 is arranged, snap seat 8 is enclosed within on the outer wall of central tube 9.Between central tube 9 and snap seat 8, snap 7 is arranged.Upper internal threaded at snap seat 8 is fixed with a spacing ring 6, and spacing ring 6 is pressed in snap 7 tops, and central tube 9 upper ends are in spacing ring 6 centre bores.On snap seat 8 tops power transmission cover 4 cylindraceous is arranged, the top of power transmission cover 4 is threaded with motor bridging plug adapter sleeve 3.
Claims (3)
1. a natural gas well New-type electric machine drives the shutoff bridging plug, mainly by cable connector (1), motor (2), motor bridging plug adapter sleeve (3), power transmission cover (4), fracture bar (5), spacing ring (6), snap (7), snap seat (8), central tube (9), upper slips (10), upper cone (11), packing element (12), lower cone (13) and lower slips (14) are formed, it is characterized in that: be fixed with cable connector (1) on the top of cylindrical electrical machine (2), be connected with motor bridging plug adapter sleeve (3) in the bottom of motor (2), motor bridging plug adapter sleeve (3) is cylindric, internal thread is arranged at the bottom, in motor bridging plug adapter sleeve (3) and in the bottom at motor (2) center, be fixed with a fracture bar (5), the lower thread of fracture bar (5) is connected with central tube (9), the lower tip screw thread of central tube (9) is fixed with cylindrical guide shoe (15), an annular lower slips (14) is arranged on the upper surface of guide shoe (15), the upper end inwall of lower slips (14) is that the outer wall of conical lower slips (14) has slip insert, it is conical lower cone (13) that an outer wall is arranged in lower slips (14), lower cone (13) is enclosed within on the outer wall of central tube (9), packing element (12) is arranged on the upper surface of lower cone (13), packing element (12) is enclosed within on central tube (9) outer wall, on the top of packing element (12) upper cone (11) is arranged, upper cone (11) is enclosed within on central tube (9) outer wall, the outer wall of upper cone (11) is a taper seat, a upper slips (10) is arranged on upper cone top, the lower end inwall of upper slips (10) is conical, the outer wall of upper slips (10) has slip insert, on the top of upper slips (10) a snap seat (8) is arranged, snap seat (8) is enclosed within on the outer wall of central tube (9), between central tube (9) and snap seat (8), snap (7) is arranged, upper internal threaded at snap seat (8) is fixed with a spacing ring (6), spacing ring (6) is pressed in snap (7) top, central tube (9) upper end is in spacing ring (6) centre bore, on snap seat (8) top power transmission cover cylindraceous (4) is arranged, the top of power transmission cover (4) is threaded with motor bridging plug adapter sleeve (3).
2. natural gas well New-type electric machine according to claim 1 drives the shutoff bridging plug, and it is characterized in that: the center of described guide shoe (15) is an enclosed shape, and promptly guide shoe (15) does not have centre bore.
3. natural gas well New-type electric machine according to claim 1 and 2 drives the shutoff bridging plug, it is characterized in that: between central tube (9) and guide shoe (15) sealing ring (16) is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202462334U CN201546666U (en) | 2009-10-13 | 2009-10-13 | Novel motor-driven blocked bridge plug of natural gas well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202462334U CN201546666U (en) | 2009-10-13 | 2009-10-13 | Novel motor-driven blocked bridge plug of natural gas well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201546666U true CN201546666U (en) | 2010-08-11 |
Family
ID=42601840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202462334U Expired - Lifetime CN201546666U (en) | 2009-10-13 | 2009-10-13 | Novel motor-driven blocked bridge plug of natural gas well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201546666U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545251A (en) * | 2016-02-02 | 2016-05-04 | 四机赛瓦石油钻采设备有限公司 | Recoverable bridge plug for cable setting |
| CN108150121A (en) * | 2017-12-21 | 2018-06-12 | 中国石油集团渤海钻探工程有限公司 | Jet flow pressurizing formula electric hydaulic bridge plug setting tool |
| CN108278097A (en) * | 2017-12-14 | 2018-07-13 | 中国石油天然气股份有限公司 | Electrodynamic type bridge plug sets system and its bridge plug sets method |
-
2009
- 2009-10-13 CN CN2009202462334U patent/CN201546666U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545251A (en) * | 2016-02-02 | 2016-05-04 | 四机赛瓦石油钻采设备有限公司 | Recoverable bridge plug for cable setting |
| CN108278097A (en) * | 2017-12-14 | 2018-07-13 | 中国石油天然气股份有限公司 | Electrodynamic type bridge plug sets system and its bridge plug sets method |
| CN108150121A (en) * | 2017-12-21 | 2018-06-12 | 中国石油集团渤海钻探工程有限公司 | Jet flow pressurizing formula electric hydaulic bridge plug setting tool |
| CN108150121B (en) * | 2017-12-21 | 2019-12-13 | 中国石油集团渤海钻探工程有限公司 | jet flow pressurization type electric hydraulic bridge plug setting tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101787865B (en) | Midway setting-proof permanent packer | |
| CN201546666U (en) | Novel motor-driven blocked bridge plug of natural gas well | |
| CN206513345U (en) | A kind of solvable bridging plug | |
| CN103485726B (en) | A kind of device for weakening bottomhole stick slip vibration and control method thereof | |
| CN105672942A (en) | Degradable drilling-free bridge plug | |
| CN113216898A (en) | Full-solution fracturing bridge plug | |
| CN105971557A (en) | Completely-dissolvable bridge plug | |
| CN110608242A (en) | Electromagnetic control torque clutch device | |
| CN203905888U (en) | Mechanical retrievable packer | |
| CN110469282B (en) | Electric setting tool | |
| CN205000943U (en) | But anchor tile modus ponens casing packer | |
| CN208734311U (en) | A kind of permanent type well completion packer that mechanical can be given up | |
| CN103321600B (en) | A kind of back-off releasing gadget of hydraulic starting | |
| CN113738296B (en) | Bridge plug adapter | |
| CN202914019U (en) | Packer seat sealing mechanism for coiled tubing | |
| CN102747982A (en) | Hydraulic mechanical integrated bridge plug | |
| CN102493777A (en) | Hydraulic release plugging device | |
| CN202325386U (en) | Stepped setting fracture packer | |
| CN204163682U (en) | Formula blanking plug in oil pipe delivered by snubbing serving steel wire | |
| CN103291235A (en) | Tool for sending hydraulic packer into well | |
| CN105332673A (en) | Mechanical bridge plug of packer | |
| CN109236247A (en) | One kind does not stay well to be anchored sand proof packing tool | |
| CN212837689U (en) | Plugging device for oil-gas well | |
| CN201650206U (en) | Permanent type midway seating-preventing packer | |
| CN102852476B (en) | Down-hole stretching tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100811 |