CN204371215U - TUBE IN DEEP WELL blanking plug - Google Patents
TUBE IN DEEP WELL blanking plug Download PDFInfo
- Publication number
- CN204371215U CN204371215U CN201420866716.5U CN201420866716U CN204371215U CN 204371215 U CN204371215 U CN 204371215U CN 201420866716 U CN201420866716 U CN 201420866716U CN 204371215 U CN204371215 U CN 204371215U
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- core bar
- fluid cylinder
- sheath
- joint
- central tube
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Abstract
The utility model relates to a kind of TUBE IN DEEP WELL blanking plug, the lower end of rope socket (1) is connected with joint (15), fuel tank (16), micro machine (17) and hydraulic pump (18) is provided with in joint (15), the below of joint (15) is provided with central tube (19), central tube (19) is set with fluid cylinder upper plug head (20), fluid cylinder upper plug head (20) is provided with fluid cylinder cover (21), fluid cylinder cover (21) inside is provided with piston (23), piston (23) below is provided with fluid cylinder lower end cap (24), and central tube (19) is connected with top connection body (2).Use it not affect by down-hole pressure factor, when downhole conditions is complicated, blocking is got up easily.It is on the basis of Undersize-hole oil pipe plugging device, add the device such as micro machine, hydraulic pump, to be connected with cable under TUBE IN DEEP WELL blanking plug to precalculated position, down-hole with test carriage, in ground hydraulic control system works, compression packing element, reach the object of sealing oil pipe, not by the impact of downhole conditions, operate easier.
Description
Technical field
The utility model relates to petroleum tool, blocks the calker being positioned at oil pipe below the aperture instrument of down-hole when being specifically related to a kind of oil field water well maintenance Operating Pressure.
Background technology
Applicant has applied for that the patent No. is 2010102810043 on September 14th, 2010, name is called the patent of invention of " Undersize-hole oil pipe plugging device "; it can be positioned at the large diameter oil pipe of assigned address below it by the aperture clogs of the down-hole string instruments such as injection well downhole flow regulator; have at oil pipe internal fixtion firm; the advantage that blocking reliability is high; can reliably block down-hole oil tube thus prevent blowout; ensure normal well heavy repair task; serve the effect of protection of the environment and safety in production, be more conducive to the safety of field produces.But it easily affects by down-hole pressure factor, when downhole conditions is complicated, blocking gets up to have certain difficulty.
Summary of the invention
The purpose of this utility model is to provide one not to be affected by down-hole pressure factor, blocks easy TUBE IN DEEP WELL blanking plug when downhole conditions is complicated.
Technical solution of the present utility model is: it comprises rope socket, top connection body, core bar and guide head, the upper end of core bar is connected with the lower end of top connection body, lower end is connected with guide head, on core bar, the top of guide head is set with packing element from bottom to top in turn, tapered sleeve, sheath assembly, lower joint sleeve, slips guiding cone, slips assembly, middle adapter sleeve, stage clip, core bar cover and upper joint sleeve, the lower end of rope socket is connected with joint, the fuel tank be positioned at below rope socket is provided with in joint, the hydraulic pump that in joint, the below of fuel tank is provided with micro machine and is connected with micro machine, the below of joint is provided with upper end and is connected by screw thread with the lower end of joint, the central tube that centre bore is connected with hydraulic pressure delivery side of pump, on central tube, slipper seal is set with the fluid cylinder upper plug head be positioned at below joint, fluid cylinder upper plug head is provided with and covers on central tube outside, the fluid cylinder cover that upper end is connected with fluid cylinder upper plug head by internal thread, the middle part of fluid cylinder cover is provided with the jump ring assembly being fixed on and liquid inboard wall of cylinder liner slides on suit central tube, jump ring assembly lower central pipe outer wall is provided with one section of card tooth matched with jump ring assembly, be provided with slipper seal below card tooth and be sleeved in fluid cylinder cover the piston be arranged on by screw thread on central tube, being provided with slipper seal below piston is sleeved on central tube, the fluid cylinder lower end cap that lower end is connected is overlapped by external screw thread and fluid cylinder, the sidewall of fluid cylinder lower end cap upper center pipe is provided with the through hole be communicated with inside and outside central tube, the lower end of central tube is connected by the upper end of screw thread with top connection body.
Technique effect of the present utility model is: use it not affect by down-hole pressure factor, and when downhole conditions is complicated, blocking is got up easily.It is on the basis of Undersize-hole oil pipe plugging device, add the device such as micro machine, hydraulic pump, to be connected with cable under TUBE IN DEEP WELL blanking plug to precalculated position, down-hole with test carriage, in ground hydraulic control system works, compression packing element, reach the object of sealing oil pipe, not by the impact of downhole conditions, operate easier.
Accompanying drawing explanation
Fig. 1 is the axial sectional view of the utility model embodiment.
Detailed description of the invention
As shown in Figure 1, it comprises rope socket 1, top connection body 2, core bar 3 and guide head 4, the upper end of core bar 3 is connected with the lower end of top connection body 2, lower end is connected with guide head 4, on core bar 3, the top of guide head 4 is set with packing element 5 from bottom to top in turn, tapered sleeve 6, sheath assembly 7, lower joint sleeve 8, slips guiding cone 9, slips assembly 10, middle adapter sleeve 11, stage clip 12, core bar cover 13 and upper joint sleeve 14, the lower end of rope socket 1 is connected with joint 15, the fuel tank 16 be positioned at below rope socket 1 is provided with in joint 15, the hydraulic pump 18 that in joint 15, the below of fuel tank 16 is provided with micro machine 17 and is connected with micro machine 17, the below of joint 15 is provided with upper end and is connected by screw thread with the lower end of joint 15, the central tube 19 that centre bore is connected with the outlet of hydraulic pump 18, on central tube 19, slipper seal is set with the fluid cylinder upper plug head 20 be positioned at below joint, fluid cylinder upper plug head 20 is provided with and covers on central tube 19 outside, the fluid cylinder that upper end is connected with fluid cylinder upper plug head 20 by internal thread overlaps 21, fluid cylinder cover 21 middle part be provided be fixed on fluid cylinder overlap on 21 inwalls slide suit central tube 19 on jump ring assembly 22, jump ring assembly 22 lower central pipe 19 outer wall is provided with one section of card tooth matched with jump ring assembly 22, be provided with slipper seal below card tooth and be sleeved in fluid cylinder cover 21 piston 23 be arranged on by screw thread on central tube 19, being provided with slipper seal below piston 23 is sleeved on central tube 19, the fluid cylinder lower end cap 24 that 21 lower ends are connected is overlapped by external screw thread and fluid cylinder, the sidewall of fluid cylinder lower end cap 24 upper center pipe 19 is provided with the through hole 25 be communicated with inside and outside central tube 19, the lower end of central tube 19 is connected by the upper end of screw thread with top connection body 2.
The inwall that fluid cylinder upper plug head 20 and fluid cylinder lower end cap 24 coordinate with central tube 19 slipper seal and overlap with fluid cylinder and 21 outer walls be sealed and matched are respectively equipped with seal groove and are provided with sealing ring.The inwall that piston 23 and central tube 19 are sealed and matched and overlap with fluid cylinder and outer wall that 21 slipper seals coordinate is respectively equipped with seal groove and is provided with sealing ring.
The lower end of top connection body 2 is sleeved on the outside of core bar 3 upper end, top connection body 2 be sleeved on core bar 3 wall portion be provided with steel ball through hole, the outer wall of core bar 3 is provided with annular steel-ball groove, top connection body 2 and the steel ball 26 axial phase clamping of core bar 3 by being positioned at steel ball through hole and steel-ball groove, the below that core bar cover 13 is positioned at top connection body 2 is sleeved on core bar 3, the lower end of upper joint sleeve 14 is connected by the upper end that internal thread and core bar overlap 13 and slip cap is contained in top connection body 2 and central tube 19 lower end is outside, middle adapter sleeve 11 slip cap is contained on core bar 3, upper end is overlapped 13 by screw thread and core bar and is connected, stage clip 12 is enclosed within the outside of middle adapter sleeve 11, slips assembly 10 is by slip spider 101, slips adapter sleeve 102, two connecting rods 103 and two pieces of slips 104 are formed, slip spider 101 is arranged in stage clip 12 slid underneath and is sleeved on adapter sleeve 11 outside, the inner wall position that slip spider 101 is sleeved on middle adapter sleeve 11 is provided with steel-ball groove, the sidewall of middle adapter sleeve 11 is provided with steel ball through hole, slip spider 101 and middle adapter sleeve 11 are by being arranged on the axial phase clamping of steel ball 26 in steel ball through hole and steel-ball groove, the outer wall of steel ball 26 times square core rods 3 is provided with the undergauge section matched with steel ball 26, slips adapter sleeve 102 slip cap is contained on core bar 3, upper end is connected by the lower end of screw thread with middle adapter sleeve 11, the upper end of two connecting rods 103 is hinged with slip spider 101 respectively, lower end is hinged with the upper end of two slips 104 respectively, two slips 104 are slidably mounted on the dovetail groove on inclined-plane, slips guiding cone 9 both sides respectively, lower joint sleeve 8 slip cap is contained on core bar 3, upper end is connected by the lower end of screw thread with slips guiding cone 9, sheath assembly 7 is by sheath overcoat 71, sheath adapter sleeve 72 and sheath 73 are formed, sheath adapter sleeve 72 is sleeved on core bar 3, upper end is connected by the lower end of screw thread with lower joint sleeve 8, it is outside that sheath 73 is enclosed within core bar 3, upper end is connected by the lower end of screw thread with sheath adapter sleeve 72, sheath overcoat 71 is sleeved on lower joint sleeve 8 lower end from the top down, the outside of sheath adapter sleeve 72 and sheath 73 upper end, between sheath overcoat 71 and lower joint sleeve 8, radial being provided with is arranged on bearing pin 75 on core bar 3 by surely following closely 74, between lower joint sleeve 8 and core bar 3, radial direction is provided with shear pin 81, tapered sleeve 6 is sleeved on core bar 3, it is inner that upper end is sleeved on sheath 73 lower end, packing element 5 is sleeved on core bar 3 between tapered sleeve 6 and guide head 4.
Core bar 3 is made up of upper core bar 31, middle core bar 32 and the lower core bar 33 be axially connected by screw thread.
Sheath 73 is the cylindrical body that bottom is axially divided into some lobes, lower end can be strutted by tapered sleeve 6.
Operating principle: blanking plug of the present invention is lowered in down-hole oil tube by the wire rope be connected on rope socket 21 and the cable be connected with micro machine 17 in use, it can arrive by the aperture of each injection well downhole flow regulator in oil pipe the position needing to arrive, arrive and abovegroundly behind precalculated position send control signal by cable micro machine 17 is worked, hydraulic pump 18 is driven to promote piston 23 up, core bar 3 just can be pulled up, make packing element 5 Expansion sealing oil pipe, slips 104 is opened and is stuck on tube inner wall simultaneously, last top connection body 2 is thrown off top connection body 2 upper section with core bar 3 and is mentioned ground, realize aboveground control blocking oil pipe.
Claims (6)
1. TUBE IN DEEP WELL blanking plug, it comprises rope socket (1), top connection body (2), core bar (3) and guide head (4), the upper end of core bar (3) is connected with the lower end of top connection body (2), lower end is connected with guide head (4), the top of the upper guide head (4) of core bar (3) is set with packing element (5) from bottom to top in turn, tapered sleeve (6), sheath assembly (7), lower joint sleeve (8), slips guiding cone (9), slips assembly (10), middle adapter sleeve (11), stage clip (12), core bar cover (13) and upper joint sleeve (14), it is characterized in that: the lower end of rope socket (1) is connected with joint (15), the fuel tank (16) being positioned at rope socket (1) below is provided with in joint (15), the hydraulic pump (18) that the below of joint (15) interior fuel tank (16) is provided with micro machine (17) and is connected with micro machine (17), the below of joint (15) is provided with upper end and is connected by screw thread with the lower end of joint (15), the central tube (19) that centre bore is connected with the outlet of hydraulic pump (18), the upper slipper seal of central tube (19) is set with the fluid cylinder upper plug head (20) be positioned at below joint, fluid cylinder upper plug head (20) is provided with and covers on central tube (19) outside, the fluid cylinder cover (21) that upper end is connected with fluid cylinder upper plug head (20) by internal thread, the middle part of fluid cylinder cover (21) is provided with the jump ring assembly (22) being fixed on and fluid cylinder cover (21) inwall slides on suit central tube (19), jump ring assembly (22) lower central pipe (19) outer wall is provided with one section of card tooth matched with jump ring assembly (22), be provided with slipper seal below card tooth and be sleeved in fluid cylinder cover (21) piston (23) be arranged on by screw thread on central tube (19), piston (23) below is provided with slipper seal and is sleeved on central tube (19), by the fluid cylinder lower end cap (24) that external screw thread is connected with fluid cylinder cover (21) lower end, the sidewall of fluid cylinder lower end cap (24) upper center pipe (19) is provided with the through hole (25) be communicated with inside and outside central tube (19), the lower end of central tube (19) is connected by the upper end of screw thread with top connection body (2).
2. TUBE IN DEEP WELL blanking plug as claimed in claim 1, is characterized in that the inwall that described fluid cylinder upper plug head (20) and fluid cylinder lower end cap (24) coordinate with central tube (19) slipper seal and the outer wall that is sealed and matched with fluid cylinder cover (21) is respectively equipped with seal groove and is provided with sealing ring.
3. TUBE IN DEEP WELL blanking plug as claimed in claim 1, is characterized in that the inwall that described piston (23) and central tube (19) are sealed and matched and the outer wall that coordinates with fluid cylinder cover (21) slipper seal is respectively equipped with seal groove and is provided with sealing ring.
4. TUBE IN DEEP WELL blanking plug as claimed in claim 1, it is characterized in that the lower end of described top connection body (2) is sleeved on the outside of core bar (3) upper end, top connection body (2) be sleeved on core bar (3) wall portion be provided with steel ball through hole, the outer wall of core bar (3) is provided with annular steel-ball groove, top connection body (2) and core bar (3) are by being positioned at the axial phase clamping of steel ball (26) of steel ball through hole and steel-ball groove, the below that core bar cover (13) is positioned at top connection body (2) is sleeved on core bar (3), the lower end of upper joint sleeve (14) to be connected with the upper end of core bar cover (13) by internal thread and slip cap is contained in top connection body (2) and outside, central tube (19) lower end, middle adapter sleeve (11) slip cap is contained on core bar (3), upper end is connected with core bar cover (13) by screw thread, stage clip (12) is enclosed within the outside of middle adapter sleeve (11), slips assembly (10) is by slip spider (101), slips adapter sleeve (102), two connecting rods (103) and two pieces of slips (104) are formed, slip spider (101) is arranged in stage clip (12) slid underneath and is sleeved on adapter sleeve (11) outside, the inner wall position that slip spider (101) is sleeved on middle adapter sleeve (11) is provided with steel-ball groove, the sidewall of middle adapter sleeve (11) is provided with steel ball through hole, slip spider (101) and middle adapter sleeve (11) are by being arranged on the axial phase clamping of steel ball (26) in steel ball through hole and steel-ball groove, under steel ball (26), the outer wall of square core rod (3) is provided with the undergauge section matched with steel ball (26), slips adapter sleeve (102) slip cap is contained on core bar (3), upper end is connected by the lower end of screw thread with middle adapter sleeve (11), the upper end of two connecting rods (103) is hinged with slip spider (101) respectively, lower end is hinged with the upper end of two slips (104) respectively, two slips (104) are slidably mounted on the dovetail groove on slips guiding cone (9) inclined-plane, both sides respectively, lower joint sleeve (8) slip cap is contained on core bar (3), upper end is connected by the lower end of screw thread with slips guiding cone (9), sheath assembly (7) is by sheath overcoat (71), sheath adapter sleeve (72) and sheath (73) are formed, sheath adapter sleeve (72) is sleeved on core bar (3), upper end is connected by the lower end of screw thread with lower joint sleeve (8), it is outside that sheath (73) is enclosed within core bar (3), upper end is connected by the lower end of screw thread with sheath adapter sleeve (72), sheath overcoat (71) is sleeved on lower joint sleeve (8) lower end from the top down, the outside of sheath adapter sleeve (72) and sheath (73) upper end, between sheath overcoat (71) and lower joint sleeve (8), radial direction is provided with and is arranged on bearing pin (75) on core bar (3) by surely following closely (74), between lower joint sleeve (8) and core bar (3), radial direction is provided with shear pin (81), tapered sleeve (6) is sleeved on core bar (3), it is inner that upper end is sleeved on sheath (73) lower end, packing element (5) is positioned between tapered sleeve (6) and guide head (4) and is sleeved on core bar (3).
5. TUBE IN DEEP WELL blanking plug as claimed in claim 4, is characterized in that described core bar (3) is made up of upper core bar (31), middle core bar (32) and the lower core bar (33) be axially connected by screw thread.
6. TUBE IN DEEP WELL blanking plug as claimed in claim 4, is characterized in that the cylindrical body that described sheath (73) is divided into some lobes for bottom is axial, lower end can be strutted by tapered sleeve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420866716.5U CN204371215U (en) | 2014-12-31 | 2014-12-31 | TUBE IN DEEP WELL blanking plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420866716.5U CN204371215U (en) | 2014-12-31 | 2014-12-31 | TUBE IN DEEP WELL blanking plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204371215U true CN204371215U (en) | 2015-06-03 |
Family
ID=53327444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420866716.5U Active CN204371215U (en) | 2014-12-31 | 2014-12-31 | TUBE IN DEEP WELL blanking plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204371215U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107916907A (en) * | 2017-12-14 | 2018-04-17 | 西安宇星石油机械新技术开发有限公司 | A kind of workover treatment oil pipe quickly controls blocking blowout hookup |
| CN111980619A (en) * | 2019-05-24 | 2020-11-24 | 中国石油天然气股份有限公司 | Oil pipe plug |
| CN113790038A (en) * | 2021-10-14 | 2021-12-14 | 四川圣诺油气工程技术服务有限公司 | Self-driven induction type oil pipe inner blanking plug |
-
2014
- 2014-12-31 CN CN201420866716.5U patent/CN204371215U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107916907A (en) * | 2017-12-14 | 2018-04-17 | 西安宇星石油机械新技术开发有限公司 | A kind of workover treatment oil pipe quickly controls blocking blowout hookup |
| CN111980619A (en) * | 2019-05-24 | 2020-11-24 | 中国石油天然气股份有限公司 | Oil pipe plug |
| CN113790038A (en) * | 2021-10-14 | 2021-12-14 | 四川圣诺油气工程技术服务有限公司 | Self-driven induction type oil pipe inner blanking plug |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |