CN213478291U - Novel quick-drilling composite bridge plug - Google Patents
Novel quick-drilling composite bridge plug Download PDFInfo
- Publication number
- CN213478291U CN213478291U CN202021857714.1U CN202021857714U CN213478291U CN 213478291 U CN213478291 U CN 213478291U CN 202021857714 U CN202021857714 U CN 202021857714U CN 213478291 U CN213478291 U CN 213478291U
- Authority
- CN
- China
- Prior art keywords
- jurisdiction
- rod
- section
- bridge plug
- center tube
- 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.)
- Active
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a novel compound bridging plug drills soon, including center tube and cone, packing element, slips and the joint of setting on the center tube, the center tube is formed by connecting a plurality of sub-assemblies and body of rod, the sub-assembly is formed by two at least section of jurisdiction concatenations, adjacent two the terminal surface that the section of jurisdiction was laminated mutually is equipped with draw-in groove and the arch of mutual joint respectively. The utility model discloses in, the sub-assembly is formed by two section of jurisdiction concatenations, has draw-in groove and the arch that is used for the location on two sections of jurisdiction respectively to the inside of section of jurisdiction has the through-hole, it has the body of rod to run through in the through-hole, the sub-assembly after a plurality of sections of jurisdiction combinations is spacing through the separation blade at body of rod both ends, this design makes the center tube of integral type structure become composite structure, when boring the mill, composite structure changes in destruction, forms the section of jurisdiction of fritter, the section of jurisdiction changes in boring the mill cracked, thereby makes the difficult production of.
Description
Technical Field
The utility model relates to an oil exploration equipment technical field especially relates to a novel compound bridging plug drills soon.
Background
Along with the continuous deepening of oil exploration and development, unconventional oil and gas reservoirs with low permeability, low porosity and the like are increased continuously, the development requirements cannot be met by a conventional vertical well, and a horizontal well gradually becomes a necessary means for improving the comprehensive benefits of the oil exploration and development. The horizontal well has the advantages of large oil drainage area, high single well yield, large penetration degree, high reserve utilization degree, capability of effectively avoiding obstacles and harsh environment zones and the like, and becomes the focus of attention of people in scientific research and practice of the petroleum industry. The present technique is widely used in bridge plug clustering perforation combined-staged fracturing, and has the advantages of one-trip pipe column operation, no staged limitation, simple tool pipe column structure, smooth shaft, etc. As one of the important tools for staged fracturing, bridge plugs are increasingly used. Currently, conventional bridge plugs include drillable bridge plugs, large bore bridge plugs, and the like. The drillable bridge plug is used for drilling and grinding a drilling tool after fracturing is finished, and production can be performed after drilling and grinding.
The most formula structures as an organic whole of the center tube of conventional fast drilling bridge plug, when the drilling tool bore ground, the integral type structure was difficult to quick cracked one-tenth fritter, so bore and still easily exist great piece after grinding to lead to the wall of a well to block up the internal diameter and reduce.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problems, the novel quick-drilling composite bridge plug is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a novel compound bridging plug drills soon, includes the center tube and sets up cone, packing element, slips and the joint on the center tube, the center tube is formed by connecting a plurality of sub-assemblies and body of rod, the sub-assembly is formed by two at least section of jurisdiction concatenations, adjacent two the terminal surface that the section of jurisdiction was laminated mutually is equipped with the draw-in groove and the arch of mutual joint respectively, the inside of section of jurisdiction has the through-hole that runs through the body of rod, the axial both ends of the body of rod all are equipped with the separation blade.
As a further description of the above technical solution:
the cone is equipped with two, and the symmetric distribution has the lug of cockscomb structure on the left and right sides at the packing element, the slips.
As a further description of the above technical solution:
the thickness of the pipe piece is 10-15mm, and the end face diameter of the baffle is larger than that of the rod body and smaller than the thickness of the pipe piece.
As a further description of the above technical solution:
the separation blade passes through bolt and body of rod fixed connection.
As a further description of the above technical solution:
the duct piece is at least provided with a through hole.
As a further description of the above technical solution:
the duct piece is made of composite materials.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model discloses in, the bridge plug is by the center tube, the cone, the packing element, slips and joint are constituteed, the center tube is formed by connecting a plurality of sub-assemblies, the sub-assembly is formed by two section of jurisdiction concatenations, draw-in groove and arch that are used for the location have on two sections of jurisdiction respectively, and the inside of section of jurisdiction has the through-hole, it has the body of rod to run through in the through-hole, the sub-assembly after a plurality of sections of jurisdiction combinations passes through the separation blade at body of rod both ends spacing, this design makes the center tube of integral type structure become modular structure, when drilling and grinding, modular structure changes in destruction, form the section of jurisdiction of fritter, the section of.
Drawings
Fig. 1 is a schematic view illustrating an overall structure of a bridge plug according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating an overall structure of an assembly provided according to an embodiment of the present invention;
fig. 3 shows a schematic view of a connection structure between the assembly and the rod body according to an embodiment of the present invention. Illustration of the drawings:
1. a cone; 2. a rubber cylinder; 3. slips; 4. a joint; 5. a duct piece; 6. a card slot; 7. a protrusion; 8. a rod body; 9. a through hole; 10. a baffle plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a novel compound bridging plug drills soon, includes the center tube and sets up cone 1, packing element 2, slips 3 and joint 4 on the center tube, and the center tube is formed by connecting a plurality of sub-assemblies and the body of rod 8, and the sub-assembly is formed by 5 concatenations of two at least sections of jurisdiction, and the terminal surface that 5 adjacent sections of jurisdiction laminated mutually is equipped with draw-in groove 6 and the arch 7 of mutual joint respectively, and the inside of section of jurisdiction 5 has the through-hole 9 that runs through the body of rod 8, and the axial both ends of the body of rod 8 all are. The structure that the center tube formed for the concatenation of a plurality of section of jurisdiction 5, when the drilling tool bore and grind, receive vibrations and bore and grind the cuttings power, the body of rod 8 easily produces the fracture, and then makes the separation of section of jurisdiction 5, and the cooperation drilling tool is changeed in the piece of boring into the fritter.
Specifically, as shown in fig. 1, two cones 1 are arranged and symmetrically distributed on the left and right sides of the rubber cylinder 2, and the slips 3 are provided with saw-toothed convex blocks. The serrated convex blocks on the slips 3 are used for improving contact friction between the bridge plug and a well wall, and the bridge plug is anchored, so that the bridge plug is not easy to synchronously rotate by a drilling tool during drilling and grinding.
Specifically, as shown in fig. 2 and 3, the thickness of the duct piece 5 is 10-15mm, the end face diameter of the baffle 10 is larger than the end face diameter of the rod body 8 and smaller than the thickness of the duct piece 5, the baffle 10 is fixedly connected with the rod body 8 through a bolt, at least one through hole 9 is formed in the duct piece 5, and the duct piece 5 is made of a composite material. The baffle piece 10 is used for limiting the pipe piece 5 in the axial direction of the rod body 8, and the stability of the bridge plug is guaranteed when the bridge plug is not drilled and ground.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a novel compound bridge plug drills soon, includes the center tube and sets up cone (1), packing element (2), slips (3) and joint (4) on the center tube, a serial communication port, the center tube is formed by connecting a plurality of sub-assemblies and the body of rod (8), the sub-assembly is formed by two at least sections of jurisdiction (5) concatenations, adjacent two the terminal surface that section of jurisdiction (5) laminated mutually is equipped with draw-in groove (6) and arch (7) of mutual joint respectively, the inside of section of jurisdiction (5) has through-hole (9) that run through the body of rod (8), the axial both ends of the body of rod (8) all are equipped with separation blade (10).
2. The novel quick-drilling composite bridge plug as claimed in claim 1, wherein the number of the cones (1) is two, and the cones are symmetrically distributed on the left side and the right side of the rubber cylinder (2), and the slips (3) are provided with saw-toothed convex blocks.
3. The novel fast drilling composite bridge plug as claimed in claim 1, wherein the thickness of the pipe piece (5) is 10-15mm, and the end surface diameter of the baffle (10) is larger than that of the rod body (8) and smaller than the thickness of the pipe piece (5).
4. The novel quick-drilling composite bridge plug as claimed in claim 1, wherein the baffle (10) is fixedly connected with the rod body (8) through a bolt.
5. The novel fast drilling composite bridge plug as claimed in claim 1, wherein at least one through hole (9) is formed in the pipe piece (5).
6. The novel fast drilling composite bridge plug as claimed in claim 1, wherein the pipe piece (5) is made of composite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021857714.1U CN213478291U (en) | 2020-08-31 | 2020-08-31 | Novel quick-drilling composite bridge plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021857714.1U CN213478291U (en) | 2020-08-31 | 2020-08-31 | Novel quick-drilling composite bridge plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213478291U true CN213478291U (en) | 2021-06-18 |
Family
ID=76416141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021857714.1U Active CN213478291U (en) | 2020-08-31 | 2020-08-31 | Novel quick-drilling composite bridge plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213478291U (en) |
-
2020
- 2020-08-31 CN CN202021857714.1U patent/CN213478291U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207048723U (en) | A kind of new solvable bridging plug | |
| CN103046896A (en) | Fracturing bridge plug | |
| CN105156035A (en) | PDC (polycrystalline diamond compact) drill bit with movable teeth | |
| CN103239039B (en) | Hollow extruded plate and drilling method thereof | |
| CN202017455U (en) | Compound impregnated bit | |
| CN213478291U (en) | Novel quick-drilling composite bridge plug | |
| CN206035386U (en) | Two waist hoop drill bits of drilling bored concrete pile three wings of drilling rod are pull in area | |
| CN201448054U (en) | Ladder type diamond cast rib coring bit | |
| CN206458314U (en) | Underground double acting accelerator | |
| CN203271592U (en) | Drill bit for expanding base of cast-in-situ bored pile | |
| CN101967964A (en) | Method for prewashing multi-density double-setting long-sealing gas channeling prevention well cementing | |
| CN201763243U (en) | Three-layer rock-socketed cylindrical drill for rotary drilling rig | |
| CN204476294U (en) | The brill of the bionical nozzle of a kind of build-in expands integral type drilling tool | |
| CN204082036U (en) | Interval Reducing screw drilling rod is crept into for soft or hard compound seam | |
| CN201714305U (en) | Geological drill bit | |
| CN215565741U (en) | Rotary drilling and reaming drill bit capable of realizing multi-stage reaming and reaming equipment | |
| CN203835273U (en) | Air hammer drill bit with protective surfaces embedded with PDC cutting teeth | |
| CN212898319U (en) | Drilling and sweeping integrated drill bit for underground | |
| CN212249848U (en) | Gas lift reverse circulation continuous coring roller bit | |
| CN204002599U (en) | Drilling tool and rotary drilling rig | |
| CN202483448U (en) | Centering rock bit | |
| CN204082011U (en) | The concentric reaming while drilling drill bit of single cone PDC | |
| CN209556930U (en) | A kind of borehole wall dressing tool | |
| CN112431554B (en) | Small-aperture rock breaking drill bit | |
| CN202659169U (en) | Drilling rod joint with teeth-shaped threads |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |